(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var $ = jQuery;
var MigrationProgressModel = require( 'MigrationProgress-model' );
var MigrationProgressView = require( 'MigrationProgress-view' );
var $overlayOriginal = $( '<div id="overlay" class="hide"></div>' );
var $progressContentOriginal = $( '.progress-content' ).clone().addClass( 'hide' );
var $proVersion = $( '.pro-version' ).addClass( 'hide' );

$overlayOriginal.append( $proVersion );

var MigrationProgressController = {
	migration: {
		model: {},
		view: {},
		$progress: {},
		$wrapper: {},
		$overlay: {},
		status: 'active',
		title: '',
		text: '',
		timerCount: 0,
		elapsedInterval: 0,
		currentStageNum: 0,
		counterDisplay: false,
		originalTitle: document.title,
		setTitle: function( title ) {
			this.$progress.find( '.progress-title' ).html( title );
			this.title = title;
		},
		setStatus: function( status ) {
			this.$progress
				.removeClass( this.status )
				.addClass( ( 'error' === status ) ? 'wpmdb-error' : status );

			// Possible statuses include: 'error', 'paused', 'complete', 'cancelling'
			if ( 'error' === status ) {
				this.$progress.find( '.progress-text' ).addClass( 'migration-error' );
			}

			this.status = status;

			this.updateTitleElem();
		},
		setText: function( text ) {
			if ( 'string' !== typeof text ) {
				text = '';
			}

			if ( 0 >= text.indexOf( 'wpmdb_error' ) ) {
				text = this.decodeErrorObject( text );
			}

			this.$progress.find( '.progress-text' ).html( text );
			this.text = text;
		},
		setState: function( title, text, status ) {
			if ( null !== title ) {
				this.setTitle( title );
			}
			if ( null !== text ) {
				this.setText( text );
			}
			if ( null !== status ) {
				this.setStatus( status );
			}
		},
		startTimer: function() {
			this.timerCount = 0;
			this.counterDisplay = $( '.timer' );
			this.elapsedInterval = setInterval( this.incrementTimer, 1000 );
		},
		pauseTimer: function() {
			clearInterval( this.elapsedInterval );
		},
		resumeTimer: function() {
			this.elapsedInterval = setInterval( this.incrementTimer, 1000 );
		},
		incrementTimer: function() {
			wpmdb.current_migration.timerCount = wpmdb.current_migration.timerCount + 1;
			wpmdb.current_migration.displayCount();
		},
		displayCount: function() {
			var hours = Math.floor( this.timerCount / 3600 ) % 24;
			var minutes = Math.floor( this.timerCount / 60 ) % 60;
			var seconds = this.timerCount % 60;
			var display = this.pad( hours, 2, 0 ) + ':' + this.pad( minutes, 2, 0 ) + ':' + this.pad( seconds, 2, 0 );
			this.counterDisplay.html( display );
		},
		updateTitleElem: function() {
			var activeStage = this.model.get( 'activeStageName' );
			var stageModel = this.model.getStageModel( activeStage );
			var percentDone = Math.max( 0, stageModel.getTotalProgressPercent() );
			var numStages = this.model.get( 'stages' ).length;
			var currentStage = this.currentStageNum;
			var currentStatus = this.status;
			var progressText = wpmdb_strings.title_progress;

			if ( 'complete' === stageModel.get( 'status' ) && 0 === stageModel.get( 'totalSize' ) ) {
				percentDone = 100;
			}

			progressText = progressText.replace( '%1$s', percentDone + '%' );
			progressText = progressText.replace( '%2$s', currentStage );
			progressText = progressText.replace( '%3$s', numStages );

			if ( 1 === numStages ) {
				progressText = percentDone + '%';
			}

			if ( wpmdb_strings[ 'title_' + currentStatus ] ) {
				progressText = wpmdb_strings[ 'title_' + currentStatus ];
			}

			progressText = progressText + ' - ' + this.originalTitle;

			document.title = progressText;
		},
		restoreTitleElem: function() {
			document.title = this.originalTitle;
		},
		pad: function( num, width, padChar ) {
			padChar = padChar || '0';
			num = num + '';
			return num.length >= width ? num : new Array( width - num.length + 1 ).join( padChar ) + num;
		},

		// fixes error objects that have been mangled by html encoding
		decodeErrorObject: function( input ) {
			var inputDecoded = input
				.replace( /\{&quot;/g, '{#q!#' )
				.replace( /\&quot;}/g, '#q!#}' )
				.replace( /,&quot;/g, ',#q!#' )
				.replace( /&quot;:/g, '#q!#:' )
				.replace( /:&quot;/g, ':#q!#' )
				.replace( /&quot;/g, '\\"' )
				.replace( /#q!#/g, '"' )
				.replace( /&gt;/g, '>' )
				.replace( /&lt;/g, '<' );
			try {
				inputDecoded = JSON.parse( inputDecoded );
			} catch ( e ) {
				return input;
			}
			return ( 'object' === typeof inputDecoded && 'undefined' !== typeof inputDecoded.body ) ? inputDecoded : input;
		},
		fixProgressStageWidthForScrollBar: function() {
			var scrollBarWidth = Math.abs( this.$wrapper[0].offsetWidth - this.$wrapper[0].clientWidth );
			var visibleProgressItems = this.$wrapper.find( '.active .progress-items' );
			var leftPad = parseInt( visibleProgressItems.css( 'padding-left' ), 10 );
			var rightPad = parseInt( visibleProgressItems.css( 'padding-right' ), 10 );

			if ( 0 !== scrollBarWidth ||  ( 0 === scrollBarWidth && rightPad !== leftPad ) ) {
				visibleProgressItems.css( 'padding-right', leftPad - scrollBarWidth + 'px' );
			}
		}
	},
	newMigration: function( settings ) {
		$( '#overlay' ).remove();
		$( '.progress-content' ).remove();
		this.migration.$overlay = $overlayOriginal.clone();

		$( '#wpwrap' ).append( this.migration.$overlay );

		this.migration.model = new MigrationProgressModel( settings );
		this.migration.view = new MigrationProgressView( {
			model: this.migration.model
		} );

		this.migration.$progress = $progressContentOriginal.clone();
		this.migration.$wrapper = this.migration.view.$el;
		this.migration.$progress.find( '.migration-progress-stages' ).replaceWith( this.migration.$wrapper );

		this.migration.$proVersion = this.migration.$overlay.find( '.pro-version' );
		var proVersionIFrame = this.migration.$proVersion.find( 'iframe' ).remove().clone();

		this.migration.$overlay.prepend( this.migration.$progress );

		// timeout needed so class is added after elements are appended to dom and transition runs.
		var self = this;
		setTimeout( function() {
			self.migration.$overlay.add( self.migration.$progress ).add( self.migration.$proVersion ).removeClass( 'hide' ).addClass( 'show' );
			if ( self.migration.$proVersion.length ) {
				setTimeout( function() {
					self.migration.$proVersion.find( '.iframe' ).append( proVersionIFrame );
				}, 500 );
			}
		}, 0 );

		this.migration.currentStageNum = 0;

		this.migration.$proVersion.on( 'click', '.close-pro-version', function() {
			self.migration.$proVersion.find( 'iframe' ).remove();
			self.migration.$proVersion.addClass( 'hide remove' );
			setTimeout( function() {
				self.migration.$proVersion.remove();
			}, 500 );
		} );

		this.migration.model.on( 'migrationComplete', function() {
			self.utils.updateProgTableVisibilitySetting();
			self.utils.updatePauseBeforeFinalizeSetting();
			self.migration.pauseTimer();
		} );

		$( window ).on( 'resize', _.debounce( this.migration.fixProgressStageWidthForScrollBar.bind( this.migration ), 100 ) );
		this.migration.model.on( 'change:activeStage', this.migration.fixProgressStageWidthForScrollBar.bind( this.migration ) );

		return this.migration;
	},
	utils: require( 'MigrationProgress-utils' )
};

module.exports = MigrationProgressController;

},{"MigrationProgress-model":2,"MigrationProgress-utils":3,"MigrationProgress-view":4}],2:[function(require,module,exports){
var MigrationProgressStageModel = require( 'MigrationProgressStage-model' );
var $ = jQuery;

var MigrationProgressModel = Backbone.Model.extend( {
	defaults: {
		_initialStages: null,
		stages: null,
		activeStageName: null,
		stageModels: null,
		localTableRows: null,
		localTableSizes: null,
		remoteTableRows: null,
		remoteTableSizes: null,
		migrationStatus: 'active',
		migrationIntent: 'savefile'
	},
	initialize: function() {
		this.set( 'stageModels', {} );
		this.set( '_initialStages', this.get( 'stages' ) );
		this.set( 'stages', [] );
		_.each( this.get( '_initialStages' ), function( stage, items, dataType ) {
			this.addStage( stage.name, items, dataType );
		}, this );
	},
	addStage: function( name, items, dataType, extend ) {
		var itemsArr = [];
		var stage;

		_.each( items, function( item ) {
			var size, rows;

			if ( 'remote' === dataType ) {
				size = this.get( 'remoteTableSizes' )[ item ];
				rows = this.get( 'remoteTableRows' )[ item ];
			} else {
				size = this.get( 'localTableSizes' )[ item ];
				rows = this.get( 'localTableRows' )[ item ];
			}

			itemsArr.push( {
				name: item,
				size: size,
				rows: rows
			} );
		}, this );

		stage = {
			name: name,
			items: itemsArr,
			dataType: dataType
		};

		if ( 'object' === typeof extend ) {
			stage = $.extend( stage, extend );
		}

		this.addStageModel( stage );

		this.trigger( 'stage:added', this.get( 'stageModels' )[ name ] );
		this.get( 'stageModels' )[ name ].on( 'change', function() {
			this.trigger( 'change' );
		}, this );

		return this.getStageModel( stage.name );
	},
	addStageItem: function( stage, name, size, rows ) {
		this.getStageModel( stage ).addItem( name, size, rows );
	},
	addStageModel: function( stage ) {
		var stages = this.get( 'stages' );
		var stageModels = this.get( 'stageModels' );
		var newStageModel = new MigrationProgressStageModel( stage );

		stages.push( stage );
		stageModels[ stage.name ] = newStageModel;

		this.set( 'stages', stages );
		this.set( 'stageModels', stageModels );
	},
	getStageModel: function( name ) {
		return this.get( 'stageModels' )[ name ];
	},
	getStageItems: function( stage, map ) {
		var stageModel = this.getStageModel( stage );
		var items = stageModel.get( 'items' );

		if ( undefined === map ) {
			return items;
		} else {
			return items.map( function( item ) {
				return item[ map ];
			} );
		}
	},
	setActiveStage: function( stage ) {
		this.setStageComplete();
		this.set( 'activeStageName', stage );
		this.getStageModel( stage ).set( 'status', 'active' );
		this.trigger( 'change:activeStage' );
	},
	setStageComplete: function( stage ) {
		if ( ! stage ) {
			stage = this.get( 'activeStageName' );
		}
		if ( null !== stage ) {
			this.getStageModel( stage ).set( 'status', 'complete' );
		}

		wpmdb.current_migration.currentStageNum = wpmdb.current_migration.currentStageNum + 1;
	},
	setMigrationComplete: function() {
		var lastStage = this.getStageModel( this.get( 'activeStageName' ) );
		this.setStageComplete();
		this.trigger( 'migrationComplete' );
		this.set( 'migrationStatus', 'complete' );
		lastStage.activateTab();
	}
} );

module.exports = MigrationProgressModel;

},{"MigrationProgressStage-model":5}],3:[function(require,module,exports){
var $ = jQuery;

module.exports = {
	updateProgTableVisibilitySetting: function() {
		if ( ! wpmdb_data.prog_tables_visibility_changed ) {
			return;
		}
		wpmdb_data.prog_tables_visibility_changed = false;

		$.ajax( {
			url: ajaxurl,
			type: 'POST',
			dataType: 'text',
			cache: false,
			data: {
				action: 'wpmdb_save_setting',
				nonce: wpmdb_data.nonces.save_setting,
				setting: 'prog_tables_hidden',
				checked: Boolean( wpmdb_data.prog_tables_hidden )
			},
			error: function( jqXHR, textStatus, errorThrown ) {
				console.log( 'Could not save progress item visibility setting', errorThrown );
			}
		} );
	},
	updatePauseBeforeFinalizeSetting: function() {
		if ( ! wpmdb_data.pause_before_finalize_changed ) {
			return;
		}
		wpmdb_data.pause_before_finalize_changed = false;

		$.ajax( {
			url: ajaxurl,
			type: 'POST',
			dataType: 'text',
			cache: false,
			data: {
				action: 'wpmdb_save_setting',
				nonce: wpmdb_data.nonces.save_setting,
				setting: 'pause_before_finalize',
				checked: Boolean( wpmdb_data.pause_before_finalize )
			},
			error: function( jqXHR, textStatus, errorThrown ) {
				console.log( 'Could not save pause before finalize setting', errorThrown );
			}
		} );
	}
};

},{}],4:[function(require,module,exports){
var MigrationProgressStageView = require( './MigrationProgressStage-view.js' );
var $ = jQuery;

var MigrationProgressView = Backbone.View.extend( {
	tagName: 'div',
	className: 'migration-progress-stages',
	id: 'migration-progress-stages',
	self: this,
	initialize: function() {
		this.$el.empty();

		this.model.on( 'stage:added', function( stageModel ) {
			this.addStageView( stageModel );
		}, this );

		_.each( this.model.get( 'stageModels' ), this.addStageView, this );
	},
	addStageView: function( stageModel ) {
		var newStageSubView = new MigrationProgressStageView( {
			model: stageModel
		} );
		stageModel.trigger( 'view:initialized', newStageSubView );
		this.$el.append( newStageSubView.$el );
		this.$el.parent().find( '.stage-tabs' ).append( newStageSubView.$tabElem );
	}
} );

module.exports = MigrationProgressView;

},{"./MigrationProgressStage-view.js":6}],5:[function(require,module,exports){
var $ = jQuery;

var MigrationProgressStage = Backbone.Model.extend( {
	defaults: {
		status: 'queued',
		_initialItems: null,
		items: null,
		lookupItems: null,
		totalSize: 0,
		totalTransferred: 0,
		dataType: 'local',
		name: '',
		itemsComplete: 0,
		itemsCompleteArr: [],
		strings: null
	},
	initialize: function() {
		this.initStrings();

		this.set( '_initialItems', this.get( 'items' ).slice() );
		this.set( 'items', [] );
		this.set( 'lookupItems', {} );
		this.set( 'itemsCompleteArr', [] );

		_.each( this.get( '_initialItems' ), function( item ) {
			this.addItem( item.name, item.size, item.rows );
		}, this );

		this.on( 'view:initialized', this.triggerItemViewInit );

		this.on( 'change', function() {
			wpmdb.current_migration.updateTitleElem();
		} );
	},
	initStrings: function() {
		var default_strings = {
			stage_title: this.get( 'name' ),
			migrated: wpmdb_strings.migrated,
			queued: wpmdb_strings.queued,
			active: wpmdb_strings.running,
			complete: wpmdb_strings.complete,
			hide: wpmdb_strings.hide,
			show: wpmdb_strings.show,
			itemsName: wpmdb_strings.tables
		};
		var strings = this.get( 'strings' );

		strings = ( 'object' === typeof strings ) ? strings : {};
		strings = $.extend( default_strings, strings );

		strings.items_migrated = strings.itemsName + ' ' + strings.migrated;
		strings.hide_items = strings.hide + ' ' + strings.itemsName;
		strings.show_items = strings.show + ' ' + strings.itemsName;

		this.set( 'strings', strings );
	},
	addItem: function( name, size, rows ) {
		var items = this.get( 'items' );
		var item = {
			name: name,
			size: size || 1,
			rows: rows || size,
			stageName: this.get( 'name' ),
			$el: null,
			transferred: 0,
			rowsTransferred: 0,
			complete: false
		};

		items.push( item );
		this.get( 'lookupItems' )[ name ] = items.length - 1;

		this.set( 'totalSize', parseInt( this.get( 'totalSize' ) ) + parseInt( size ) );
		this.trigger( 'item:added', item );
	},
	triggerItemViewInit: function() {
		var items = this.get( 'items' );
		var self = this;
		_.each( items, function( item ) {
			self.trigger( 'item:added', item );
		} );
	},
	getTotalSizeTransferred: function() {
		return this.get( 'totalTransferred' );
	},
	countItemsComplete: function() {
		return this.get( 'itemsComplete' );
	},
	getTotalProgressPercent: function() {
		var transferred = this.getTotalSizeTransferred();
		var total = this.get( 'totalSize' );
		if ( 0 >= transferred || 0 >= total ) {
			return 0;
		}
		return Math.min( 100, Math.floor( ( transferred / total  ) * 100 ) );
	},
	activateTab: function() {
		this.trigger( 'activateTab' );
		wpmdb.current_migration.model.trigger( 'change:activeStage' );
	},
	setItemComplete: function( itemName ) {

		// Guard: return if item has already been set complete
		var itemsCompleteArr  = this.get( 'itemsCompleteArr' );
		if ( ~itemsCompleteArr.indexOf( itemName ) ) {
			return;
		}
		itemsCompleteArr.push( itemName );

		var item = this.getItemByName( itemName );
		var totalTransferred = this.get( 'totalTransferred' );
		var itemsComplete = this.get( 'itemsComplete' );

		this.set( 'itemsComplete', ++itemsComplete );

		totalTransferred += item.size - item.transferred;
		this.set( 'totalTransferred', totalTransferred );

		item.transferred = item.size;
		item.complete = true;
		item.rowsTransferred = item.rows;
		this.trigger( 'change change:items', item );
	},
	setItemRowsTransferred: function( itemName, numRows ) {
		var amtDone, estTransferred;
		var item = this.getItemByName( itemName );
		var totalTransferred = this.get( 'totalTransferred' );

		if ( -1 === parseInt( numRows ) ) {
			amtDone = 1;
		} else {
			amtDone = Math.min( 1, numRows / item.rows );
		}

		if ( 1 === amtDone ) {
			this.setItemComplete( itemName );
			return;
		}

		estTransferred = item.size * amtDone;

		totalTransferred += estTransferred - item.transferred;
		this.set( 'totalTransferred', totalTransferred );

		item.transferred = estTransferred;
		item.rowsTransferred = numRows;
		this.trigger( 'change change:items', item );
	},
	getItemByName: function( itemName ) {
		var item = this.get( 'items' )[ this.get( 'lookupItems' )[ itemName ] ] || {};
		if ( itemName === item.name ) {
			return item;
		} else {
			return this.determineItemByName( itemName );
		}
	},
	determineItemByName: function( itemName ) {
		var items = this.get( 'items' );
		for ( var index = 0; index < items.length; index++ ) {
			var item = items[ index ];
			if ( itemName === item.name ) {
				this.get( 'lookupItems' ).itemName = index;
				return item;
			}
		}
	}
} );

module.exports = MigrationProgressStage;

},{}],6:[function(require,module,exports){
var $ = jQuery;

var MigrationProgressStageView = Backbone.View.extend( {
	tagName: 'div',
	className: 'migration-progress-stage-container hide-tables',
	$totalProgressElem: null,
	$tabElem: null,
	$showHideTablesElem: null,
	$pauseBeforeFinalizeElem: null,
	$pauseBeforeFinalizeCheckbox: null,
	$itemsContainer: null,
	itemViews: null,
	maxDomNodes: 100,
	visibleDomNodes: 0,
	queuedElements: null,
	$truncationNotice: null,
	$truncationNoticeHiddenItems: null,
	initialize: function() {
		this.$el.empty();
		this.$el.attr( 'data-stage', this.model.get( 'name' ) ).addClass( 'queued ' + this.model.get( 'name' ) );

		this.queuedElements = [];

		this.initTotalProgressElem();
		wpmdb.current_migration.view.$el.parent().find( '.stage-tabs' ).after( this.$totalProgressElem );

	    this.$itemsContainer = $( '<div class=progress-items />' );
		this.$el.append( this.$itemsContainer );

		this.initTabElem();

		this.model.on( 'item:added', this.maybeAddElementToView, this );

		_.each( this.model.get( 'itemModels' ), this.maybeAddElementToView, this );
		this.model.on( 'change', function() {
			this.updateProgressElem();
			this.updateStageTotals();
		}, this );

		this.model.on( 'change:status', function( e ) {
			this.$el.removeClass( 'queued active' ).addClass( this.model.get( 'status' ) );
			this.$totalProgressElem.removeClass( 'queued active' ).addClass( this.model.get( 'status' ) );
			this.$tabElem.removeClass( 'queued active' ).addClass( this.model.get( 'status' ) )
				.find( '.stage-status' ).text( this.model.get( 'strings' )[ this.model.get( 'status' ) ] );
		}, this );

		this.model.on( 'change:items', function( item ) {
			if ( item.name ) {
				this.setItemProgress( item );
			}
		}, this );

		this.model.on( 'activateTab', function() {
			if ( 'complete' === wpmdb.current_migration.model.get( 'migrationStatus' ) ) {
				this.$totalProgressElem.addClass( 'active' ).siblings().removeClass( 'active' );
				this.$tabElem.addClass( 'active' ).siblings().removeClass( 'active' );
				this.$el.addClass( 'active' ).siblings().removeClass( 'active' );
			}
		}, this );
	},
	initTotalProgressElem: function() {
		this.initShowHideTablesElem();
		this.initPauseBeforeFinalizeElem();

		this.$totalProgressElem = $( '<div class="stage-progress ' + this.model.get( 'name' ) + '" />' )
			.append( '<span class=percent-complete>0</span>% ' + this.model.get( 'strings' ).complete + ' ' )
			.append( '(<span class=size-complete>0 MB</span> / <span class=size-total>0 MB</span>) ' )
			.append( '<span class=tables-complete>0</span> <span class=lowercase >of</span> <span class=tables-total>0</span> ' + this.model.get( 'strings' ).items_migrated )
			.append( this.$showHideTablesElem )
			.append( '<div class=progress-bar-wrapper><div class=progress-bar /></div>' );

		this.updateStageTotals();
	},
	initShowHideTablesElem: function() {
		this.$showHideTablesElem = $( '<a class=show-hide-tables/>' ).text( this.model.get( 'strings' ).show_items );
		var self = this;
		this.$showHideTablesElem.on( 'click show-hide-progress-tables', function() {
			var progTablesHidden;
			if ( self.$el.hasClass( 'hide-tables' ) ) { // show tables
				progTablesHidden = false;
				self.$el.add( self.$el.siblings() ).removeClass( 'hide-tables' );
				self.$showHideTablesElem.text( self.model.get( 'strings' ).hide_items );
			} else { // hide tables
				progTablesHidden = true;
				self.$el.add( self.$el.siblings() ).addClass( 'hide-tables' );
				self.$showHideTablesElem.text( self.model.get( 'strings' ).show_items );
			}

			if ( Boolean( progTablesHidden ) !== Boolean( wpmdb_data.prog_tables_hidden ) ) {
				wpmdb_data.prog_tables_visibility_changed = true;
				wpmdb_data.prog_tables_hidden = progTablesHidden;
			}
		} );

		// show progress tables on init if hidden is false
		if ( ! wpmdb_data.prog_tables_hidden ) {
			this.$showHideTablesElem.triggerHandler( 'show-hide-progress-tables' );
		}

		// make sure text reflects current state when showing
		this.model.on( 'change:status activateTab', function() {
			if ( wpmdb_data.prog_tables_hidden ) {
				self.$showHideTablesElem.text( self.model.get( 'strings' ).show_items );
			} else {
				self.$showHideTablesElem.text( self.model.get( 'strings' ).hide_items );
			}
		} );
	},
	initPauseBeforeFinalizeElem: function() {
		this.$pauseBeforeFinalizeElem = $( '.pause-before-finalize' );
		this.$pauseBeforeFinalizeCheckbox = this.$pauseBeforeFinalizeElem.find( 'input[type=checkbox]' );
		var self = this;
		var isChecked = false;
		var migrationIntent = wpmdb.current_migration.model.get( 'migrationIntent' );

		// make sure checkbox is checked based on current state
		if ( wpmdb_data.pause_before_finalize ) {
			isChecked = true;
		}
		this.$pauseBeforeFinalizeCheckbox.prop( 'checked', isChecked );

		// only display on certain migrations
		if ( -1 !== $.inArray( migrationIntent, [ 'push', 'pull', 'find_replace' ] ) ) {
			if ( 'find_replace' === migrationIntent ) {
				$( '#pause-before-finalize-label' ).text( wpmdb_strings.pause_before_finalize_find_replace );
			}
			this.$pauseBeforeFinalizeElem.show();
		} else {
			this.$pauseBeforeFinalizeElem.hide();
		}

		// hide on media stage
		wpmdb.current_migration.model.on( 'change:activeStage', function() {
			if ( 'media' === wpmdb.current_migration.model.get( 'activeStageName' ) ) {
				self.$pauseBeforeFinalizeElem.hide();
			}
		} );

		this.$pauseBeforeFinalizeElem.on( 'click', function() {
			var pauseBeforeFinalizeValue = Boolean( self.$pauseBeforeFinalizeCheckbox.is( ':checked' ) );
			if ( pauseBeforeFinalizeValue !== Boolean( wpmdb_data.pause_before_finalize ) ) {
				wpmdb_data.pause_before_finalize_changed = true;
				wpmdb_data.pause_before_finalize = pauseBeforeFinalizeValue;
			}
		} );
	},
	initTabElem: function() {
		var self = this;
		this.$tabElem = $( '<a class=stage-tab>' )
			.append( '<span class=stage-title>' + this.model.get( 'strings' ).stage_title + '</span> ' )
			.append( '<span class=stage-status>' + this.model.get( 'strings' ).queued + '</span> ' )
			.on( 'click', function() {
				self.model.activateTab();
			} );
	},
	updateProgressElem: function() {
		var percentDone = Math.max( 0, this.model.getTotalProgressPercent() );
		var sizeDone = wpmdb.functions.convertKBSizeToHRFixed( Math.min( this.model.getTotalSizeTransferred(), this.model.get( 'totalSize' ) ) );
		var tablesDone = Math.min( this.model.countItemsComplete(), this.model.get( 'items' ).length );

		if ( 'complete' === this.model.get( 'status' ) && 0 === this.model.get( 'totalSize' ) ) {
			percentDone = 100;
			this.$showHideTablesElem.fadeOut();
		}

		this.$totalProgressElem.find( '.percent-complete' ).text( percentDone );
		this.$totalProgressElem.find( '.size-complete' ).text( sizeDone );
		this.$totalProgressElem.find( '.tables-complete' ).text( wpmdb_add_commas( tablesDone ) );
		this.$totalProgressElem.find( '.progress-bar-wrapper .progress-bar' ).css( { width: percentDone + '%' } );
	},
	updateStageTotals: function() {
		var itemCount = this.model.get( 'items' ).length;
		this.$totalProgressElem.find( '.tables-total' ).text( wpmdb_add_commas( itemCount ) );
		this.$totalProgressElem.find( '.size-total' ).text( wpmdb.functions.convertKBSizeToHR( this.model.get( 'totalSize' ) ) );
	},
	initializeItemElement: function( item ) {
		var $el = $( '<div class="item-progress" />' );
		var $progress = $( '<div class="progress-bar"/>' ).css( 'width', '0%' );
		var $title = $( '<p>' ).addClass( 'item-info' )
			.append( $( '<span class="name" />' ).text( item.name ) )
			.append( ' ' )
			.append( $( '<span class="size" />' ).text( '(' + wpmdb.functions.convertKBSizeToHRFixed( item.size ) + ')' ) );

		$el.append( $title );
		$el.append( $progress );
		$el.append( '<span class="dashicons dashicons-yes"/>' );

		$el.attr( 'id', 'item-' + item.name );
		$el.attr( 'data-stage', this.model.get( 'name' ) );

		item.$el = $el;
		item.$progress = $progress;
		item.$title = $title;

		return item;
	},
	maybeAddElementToView: function( item ) {
		if ( this.visibleDomNodes < this.maxDomNodes ) {
			++this.visibleDomNodes;
			this.$itemsContainer.append( this.initializeItemElement( item ).$el );
		} else {
			this.queuedElements.push( item );
			if ( ! this.$truncationNotice ) {
				this.showTruncationNotice();
			} else {
				this.updateTruncationNotice();
			}
		}
	},
	showTruncationNotice: function() {
		if ( this.$truncationNotice ) {
			return;
		}
		this.$truncationNotice = $( '<div class="truncation-notice" >' + wpmdb_strings.progress_items_truncated_msg.replace( '%1$s', '<span class="hidden-items">' + wpmdb_add_commas( this.queuedElements.length ) + '</span>' ) + '</div>' );
		this.$truncationNoticeHiddenItems = this.$truncationNotice.find( '.hidden-items' );
		this.$itemsContainer.after( this.$truncationNotice );
	},
	updateTruncationNotice: function() {
		this.$truncationNoticeHiddenItems.text( wpmdb_add_commas( this.queuedElements.length ) );
	},
	getNextElementForView: function( $el ) {
		var queueItem;
		if ( this.queuedElements.length ) {
			if ( $el ) {
				this.queuedElements.push( $el );
			}
			queueItem = this.queuedElements.shift();
			if ( queueItem instanceof $ ) {
				$el = queueItem;
			} else {
				$el = this.initializeItemElement( queueItem ).$el;
			}
		}
		return $el;
	},
	setItemProgress: function( item ) {
		var percentDone = Math.min( 100, Math.ceil( 100 * ( item.transferred / item.size ) ) );
		item.$progress.css( 'width', percentDone + '%' );
		if ( 100 <= percentDone ) {
			this.elemComplete( item );
		}
	},
	elemComplete: function( item ) {
		var $el = item.$el.addClass( 'complete' );

		// skip moving item to end of list if there's only one item in the list
		if ( 1 === this.model.get( 'items' ).length ) {
			return;
		}

		var $nextEl  = this.getNextElementForView( $el );

		var height = $el.height();
		var marginBottom = $el.css( 'margin-bottom' );

		var $clone = $nextEl.clone().css( { height: 0, marginBottom: 0 } ).addClass( 'clone' );
		$clone.appendTo( this.$itemsContainer );
		$el.css( { height: height, marginBottom: marginBottom } );

		setTimeout( function() {
			$el.css( { height: 0, marginBottom: 0 } );
			$clone.css( { height: height, marginBottom: marginBottom } );

			setTimeout( function() {
				$el.css( { height: 'auto', marginBottom: marginBottom } ).remove();
				$clone.remove();
				this.$itemsContainer.find( '.item-progress:not(.clone)' ).last().after( $nextEl.css( { height: 'auto', marginBottom: marginBottom } ) );
			}.bind( this ), 250 );

		}.bind( this ), 1000 );

	}
} );

module.exports = MigrationProgressStageView;

},{}],7:[function(require,module,exports){
(function( $, wpmdb ) {

	var connection_established = false;
	var last_replace_switch = '';
	var doing_ajax = false;
	var doing_licence_registration_ajax = false;
	var doing_reset_api_key_ajax = false;
	var doing_save_profile = false;
	var doing_plugin_compatibility_ajax = false;
	var profile_name_edited = false;
	var checked_licence = false;
	var show_prefix_notice = false;
	var show_ssl_notice = false;
	var force_reconnect = false;
	var migration_selection = '';
	var show_version_notice = false;
	var migration_completed = false;
	var currently_migrating = false;
	var dump_filename = '';
	var dump_path = '';
	var migration_intent;
	var remote_site;
	var secret_key;
	var form_data;
	var stage;
	var elapsed_interval;
	var completed_msg;
	var tables_to_migrate = '';
	var migration_paused = false;
	var previous_progress_title = '';
	var previous_progress_text_primary = '';
	var previous_progress_text_secondary = '';
	var cancelling_text = '';
	var paused_text = '';
	var migration_cancelled = false;
	var flag_skip_delay = false;
	var delay_between_requests = 0;
	var fade_duration = 400;
	var pause_before_finalize = false;
	var is_auto_pause_before_finalize = false;

	wpmdb.migration_progress_controller = require( 'MigrationProgress-controller' );
	wpmdb.current_migration = null;
	wpmdb.migration_selection = wpmdb_migration_type();

	var admin_url = ajaxurl.replace( '/admin-ajax.php', '' ), spinner_url = admin_url + '/images/spinner';

	if ( 2 < window.devicePixelRatio ) {
		spinner_url += '-2x';
	}
	spinner_url += '.gif';
	var ajax_spinner = '<img src="' + spinner_url + '" alt="" class="ajax-spinner general-spinner" />';

	window.onbeforeunload = function( e ) {
		if ( currently_migrating ) {
			e = e || window.event;

			// For IE and Firefox prior to version 4
			if ( e ) {
				e.returnValue = wpmdb_strings.sure;
			}

			// For Safari
			return wpmdb_strings.sure;
		}
	};

	function pad( n, width, z ) {
		z = z || '0';
		n = n + '';
		return n.length >= width ? n : new Array( width - n.length + 1 ).join( z ) + n;
	}

	function is_int( n ) {
		n = parseInt( n );
		return 'number' === typeof n && 0 === n % 1;
	}

	function get_intersect( arr1, arr2 ) {
		var r = [], o = {}, l = arr2.length, i, v;
		for ( i = 0; i < l; i++ ) {
			o[ arr2[ i ] ] = true;
		}
		l = arr1.length;
		for ( i = 0; i < l; i++ ) {
			v = arr1[ i ];
			if ( v in o ) {
				r.push( v );
			}
		}
		return r;
	}

	function get_query_var( name ) {
		name = name.replace( /[\[]/, '\\[' ).replace( /[\]]/, '\\]' );
		var regex = new RegExp( '[\\?&]' + name + '=([^&#]*)' ),
			results = regex.exec( location.search );
		return null === results ? '' : decodeURIComponent( results[ 1 ].replace( /\+/g, ' ' ) );
	}

	function maybe_show_ssl_warning( url, key, remote_scheme ) {
		var scheme = url.substr( 0, url.indexOf( ':' ) );
		if ( remote_scheme !== scheme && url.indexOf( 'https' ) !== -1 ) {
			$( '.ssl-notice' ).show();
			show_ssl_notice = true;
			url = url.replace( 'https', 'http' );
			$( '.pull-push-connection-info' ).val( url + '\n' + key );
			return;
		}
		show_ssl_notice = false;
		return;
	}

	function maybe_show_prefix_notice( prefix ) {
		if ( prefix !== wpmdb_data.this_prefix ) {
			$( '.remote-prefix' ).html( prefix );
			show_prefix_notice = true;
			if ( 'pull' === wpmdb_migration_type() ) {
				$( '.prefix-notice.pull' ).show();
			} else {
				$( '.prefix-notice.push' ).show();
			}
		}
	}

	function maybe_show_mixed_cased_table_name_warning() {
		if ( 'undefined' === typeof wpmdb.common.connection_data || false === wpmdb.common.connection_data ) {
			return;
		}

		var migration_intent = wpmdb_migration_type();
		var tables_to_migrate = get_tables_to_migrate( null, null );

		$( '.mixed-case-table-name-notice' ).hide();

		if ( null === tables_to_migrate ) {
			return;
		}

		tables_to_migrate = tables_to_migrate.join( '' );

		// The table names are all lowercase, no need to display the warning.
		if ( tables_to_migrate === tables_to_migrate.toLowerCase() ) {
			return;
		}

		/*
		 * Do not display the warning if the remote lower_case_table_names does not equal "1" (i.e the only problematic setting)
		 * Applies to push/export migrations.
		 */
		if ( '1' !== wpmdb.common.connection_data.lower_case_table_names && ( 'push' === migration_intent || 'savefile' === migration_intent ) ) {
			return;
		}

		/*
		 * Do not display the warning if the local lower_case_table_names does not equal "1" (i.e the only problematic setting)
		 * Only applies to pull migrations.
		 */
		if ( '1' !== wpmdb_data.lower_case_table_names && 'pull' === migration_intent ) {
			return;
		}

		/*
		 * At this stage we've determined:
		 * 1. The source database contains at least one table that contains an uppercase character.
		 * 2. The destination environment has lower_case_table_names set to 1.
		 * 3. The source database table containing the uppercase letter will be converted to lowercase during the migration.
		 */

		if ( 'push' === migration_intent || 'savefile' === migration_intent ) {
			$( '.mixed-case-table-name-notice.push' ).show();
		} else {
			$( '.mixed-case-table-name-notice.pull' ).show();
		}
	}

	function get_domain_name( url ) {
		var temp_url = url;
		var domain = temp_url.replace( /\/\/(.*)@/, '//' ).replace( 'http://', '' ).replace( 'https://', '' ).replace( 'www.', '' );
		return domain;
	}

	function update_domain_placeholder( label, url, stage ) {
		var domain = get_domain_name( url );

		if ( 'completed' === stage ) {
			return label.replace( /\%s\s?/, '<span class=domain-label>' + domain + '</span>&nbsp;' );
		}

		return label.replace( /\%s(\S*)\s?/, '<span class=domain-label>' + domain + '$1</span>&nbsp;' );
	}

	function get_migration_status_label( url, intent, stage ) {
		var migrating_stage_label = '';
		var completed_stage_label = '';

		switch ( intent ) {
			case 'push':
				migrating_stage_label = wpmdb_strings.push_migration_label_migrating;
				completed_stage_label = wpmdb_strings.push_migration_label_completed;
				break;
			case 'pull':
				migrating_stage_label = wpmdb_strings.pull_migration_label_migrating;
				completed_stage_label = wpmdb_strings.pull_migration_label_completed;
				break;
			case 'find_replace':
				migrating_stage_label = wpmdb_strings.find_replace_label_migrating;
				completed_stage_label = wpmdb_strings.find_replace_label_completed;
				break;
			case 'savefile':
				migrating_stage_label = wpmdb_strings.exporting_please_wait;
				completed_stage_label = wpmdb_strings.exporting_complete;
				break;
		}

		var label = migrating_stage_label;

		if ( 'completed' === stage ) {
			label = completed_stage_label;
		}

		if ( 'push' === intent || 'pull' === intent ) {
			label = update_domain_placeholder( label, url, stage );
		}

		return label;
	}

	function remove_protocol( url ) {
		return url.replace( /^https?:/i, '' );
	}

	function disable_export_type_controls() {
		$( '.option-group' ).each( function( index ) {
			$( 'input', this ).attr( 'disabled', 'disabled' );
			$( 'label', this ).css( 'cursor', 'default' );
		} );
	}

	function enable_export_type_controls() {
		$( '.option-group' ).each( function( index ) {
			$( 'input', this ).removeAttr( 'disabled' );
			$( 'label', this ).css( 'cursor', 'pointer' );
		} );
	}

	function set_slider_value( parent_selector, value, unit, display ) {
		var display_value = value;

		if ( undefined !== display ) {
			display_value = display;
		}

		$( '.slider', parent_selector ).slider( 'value', parseInt( value ) );
		$( '.amount', parent_selector ).html( wpmdb_add_commas( display_value ) + ' ' + unit );
	}

	function set_pause_resume_button( event ) {
		if ( true === migration_paused ) {
			migration_paused = false;
			doing_ajax = true;

			wpmdb.current_migration.setState( previous_progress_title, previous_progress_text_primary, 'active' );
			$( '.pause-resume' ).html( wpmdb_strings.pause );

			// Resume the timer
			wpmdb.current_migration.resumeTimer();

			wpmdb.functions.execute_next_step();
		} else {
			migration_paused = true;
			doing_ajax = false;
			paused_text = wpmdb_strings.migration_paused;
			previous_progress_title = $( '.progress-title' ).html();
			previous_progress_text_primary = $( '.progress-text', '.progress-wrapper-primary' ).html();
			previous_progress_text_secondary = $( '.progress-text', '.progress-wrapper-secondary ' ).html();

			if ( 'find_replace' === migration_intent ) {
				paused_text = wpmdb_strings.find_replace_paused;
			}

			wpmdb.current_migration.setState( paused_text, wpmdb_strings.completing_current_request, null );
			$( 'body' ).off( 'click', '.pause-resume' ); // Is re-bound at execute_next_step when migration is finally paused
			$( 'body' ).off( 'click', '.cancel' ); // Is re-bound at execute_next_step when migration is finally paused
		}
	}

	function create_table_select( tables, table_sizes_hr, selected_tables ) {
		var $table_select = document.createElement( 'select' );
		$( $table_select ).attr( {
			multiple: 'multiple',
			name: 'select_tables[]',
			id: 'select-tables',
			class: 'multiselect'
		} );

		if ( 0 < tables.length ) {
			$.each( tables, function( index, table ) {
				if ( $.wpmdb.apply_filters( 'wpmdb_exclude_table', false, table ) ) {
					return;
				}

				var selected = ' ';
				if ( undefined !== selected_tables && null !== selected_tables && 0 < selected_tables.length && -1 !== $.inArray( table, selected_tables ) ) {
					selected = ' selected="selected" ';
				}
				$( $table_select ).append( '<option' + selected + 'value="' + table + '">' + table + ' (' + table_sizes_hr[ table ] + ')</option>' );
			} );
		}

		return $table_select;
	}

	/**
	 * Filter temporary tables out of create_table_select().
	 *
	 * @param exclude
	 * @param table_name
	 * @returns {bool}
	 */
	function filter_temp_tables( exclude, table_name ) {
		var temp_prefix = wpmdb_data.this_temp_prefix;

		if ( 'pull' === wpmdb_migration_type() && 'undefined' !== typeof wpmdb.common.connection_data && 'undefined' !== typeof wpmdb.common.connection_data.temp_prefix ) {
			temp_prefix = wpmdb.common.connection_data.temp_prefix;
		}

		if ( temp_prefix === table_name.substring( 0, temp_prefix.length ) ) {
			return true;
		}

		return exclude;
	}
	$.wpmdb.add_filter( 'wpmdb_exclude_table', filter_temp_tables );

	/**
	 * Returns tables selected for migration.
	 *
	 * @param value
	 * @param args
	 * @returns {string}
	 *
	 * Also handler for wpmdb_get_tables_to_migrate filter, disregards input values as it is the primary source.
	 */
	function get_tables_to_migrate( value, args ) {
		var tables = '';
		var mig_type = wpmdb_migration_type();
		var table_intent = $( 'input[name=table_migrate_option]:checked' ).val();

		// Grab tables as per what the user has selected from the multiselect box or all prefixed tables.
		if ( 'migrate_select' === table_intent ) {
			tables = $( '#select-tables' ).val();
		} else {
			if ( 'pull' !== mig_type && 'undefined' !== typeof wpmdb_data.this_prefixed_tables ) {
				tables = wpmdb_data.this_prefixed_tables;
			}
			if ( 'pull' === mig_type && 'undefined' !== typeof wpmdb.common.connection_data && 'undefined' !== typeof wpmdb.common.connection_data.prefixed_tables ) {
				tables = wpmdb.common.connection_data.prefixed_tables;
			}
		}

		return tables;
	}

	function get_table_prefix( value, args ) {
		return $( '.table-select-wrap .table-prefix' ).text();
	}

	function lock_replace_url( lock ) {
		if ( true === lock ) {
			$( '.replace-row.pin .replace-right-col input[type="text"]' ).attr( 'readonly', 'readonly' );
			$( '.replace-row.pin .arrow-col' ).addClass( 'disabled' );
		} else {
			$( '.replace-row.pin .replace-right-col input[type="text"]' ).removeAttr( 'readonly' );
			$( '.replace-row.pin .arrow-col' ).removeClass( 'disabled' );
		}
	}

	function set_connection_data( data ) {
		wpmdb.common.previous_connection_data = wpmdb.common.connection_data;
		wpmdb.common.connection_data = data;
		$.wpmdb.do_action( 'wpmdb_connection_data_updated', data );
	}

	/**
	 * Returns formatted info for the Max Request Size slider.
	 *
	 * @param value
	 * @return object
	 */
	function get_max_request_display_info( value ) {
		var display_info = {};

		display_info.unit = 'MB';
		display_info.amount = ( value / 1024 ).toFixed( 2 );

		return display_info;
	}

	$( document ).ready( function() {
		wpmdb.migration_state_id = '';

		$( '#plugin-compatibility' ).change( function( e ) {
			var install = '1';
			var $status = $( this ).closest( 'td' ).next( 'td' ).find( '.setting-status' );

			if ( $( this ).is( ':checked' ) ) {
				var answer = confirm( wpmdb_strings.mu_plugin_confirmation );

				if ( ! answer ) {
					$( this ).prop( 'checked', false );
					return;
				}
			} else {
				install = '0';
			}

			$( '.plugin-compatibility-wrap' ).toggle();

			$status.find( '.ajax-success-msg' ).remove();
			$status.append( ajax_spinner );
			$( '#plugin-compatibility' ).attr( 'disabled', 'disabled' );
			$( '.plugin-compatibility' ).addClass( 'disabled' );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_plugin_compatibility',
					install: install,
					nonce: wpmdb_data.nonces.plugin_compatibility
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.plugin_compatibility_settings_problem + '\r\n\r\n' + wpmdb_strings.status + ' ' + jqXHR.status + ' ' + jqXHR.statusText + '\r\n\r\n' + wpmdb_strings.response + '\r\n' + jqXHR.responseText );
					$( '.ajax-spinner' ).remove();
					$( '#plugin-compatibility' ).removeAttr( 'disabled' );
					$( '.plugin-compatibility' ).removeClass( 'disabled' );
				},
				success: function( data ) {
					if ( '' !== $.trim( data ) ) {
						alert( data );
					} else {
						$status.append( '<span class="ajax-success-msg">' + wpmdb_strings.saved + '</span>' );
						$( '.ajax-success-msg' ).fadeOut( 2000, function() {
							$( this ).remove();
						} );
					}
					$( '.ajax-spinner' ).remove();
					$( '#plugin-compatibility' ).removeAttr( 'disabled' );
					$( '.plugin-compatibility' ).removeClass( 'disabled' );
				}
			} );

		} );

		if ( $( '#plugin-compatibility' ).is( ':checked' ) ) {
			$( '.plugin-compatibility-wrap' ).show();
		}

		if ( 0 <= navigator.userAgent.indexOf( 'MSIE' ) || 0 <= navigator.userAgent.indexOf( 'Trident' ) ) {
			$( '.ie-warning' ).show();
		}

		if ( 0 === wpmdb_data.valid_licence ) {
			$( '#savefile' ).prop( 'checked', true );
		}
		var max_request_size_container = $( '.max-request-size' );
		var max_request_size_slider = $( '.slider', max_request_size_container );
		max_request_size_slider.slider( {
			range: 'min',
			value: parseInt( wpmdb_data.max_request / 1024 ),
			min: 512,
			max: parseInt( wpmdb_data.bottleneck / 1024 ),
			step: 256,
			create: function( event, ui ) {
				var display_info = get_max_request_display_info( wpmdb_data.max_request / 1024 );
				set_slider_value( max_request_size_container, wpmdb_data.max_request / 1024, display_info.unit, display_info.amount );
			},
			slide: function( event, ui ) {
				var display_info = get_max_request_display_info( ui.value );
				set_slider_value( max_request_size_container, ui.value, display_info.unit, display_info.amount );
			},
			stop: function( event, ui ) {
				$( '.slider-success-msg' ).remove();
				$( '.amount', max_request_size_container ).after( '<img src="' + spinner_url + '" alt="" class="slider-spinner general-spinner" />' );
				max_request_size_slider.slider( 'disable' );

				$.ajax( {
					url: ajaxurl,
					type: 'POST',
					cache: false,
					data: {
						action: 'wpmdb_update_max_request_size',
						max_request_size: parseInt( ui.value ),
						nonce: wpmdb_data.nonces.update_max_request_size
					},
					error: function( jqXHR, textStatus, errorThrown ) {
						max_request_size_slider.slider( 'enable' );
						$( '.slider-spinner', max_request_size_container ).remove();
						alert( wpmdb_strings.max_request_size_problem );
						var display_info = get_max_request_display_info( wpmdb_data.max_request / 1024 );
						set_slider_value( max_request_size_container, wpmdb_data.max_request / 1024, display_info.unit, display_info.amount );
						max_request_size_slider.slider( 'enable' );
					},
					success: function() {
						max_request_size_slider.slider( 'enable' );
						$( '.slider-label-wrapper', max_request_size_container ).append( '<span class="slider-success-msg">' + wpmdb_strings.saved + '</span>' );
						$( '.slider-success-msg', max_request_size_container ).fadeOut( 2000, function() {
							$( this ).remove();
						} );
						$( '.slider-spinner', max_request_size_container ).remove();
					}
				} );
			}
		} );

		var delay_between_requests_container = $( '.delay-between-requests' );
		var delay_between_requests_slider = $( '.slider', delay_between_requests_container );
		delay_between_requests_slider.slider( {
			range: 'min',
			value: parseInt( wpmdb_data.delay_between_requests / 1000 ),
			min: 0,
			max: 10,
			step: 1,
			create: function( event, ui ) {
				set_slider_value( delay_between_requests_container, wpmdb_data.delay_between_requests / 1000, 's' );
			},
			slide: function( event, ui ) {
				set_slider_value( delay_between_requests_container, ui.value, 's' );
			},
			stop: function( event, ui ) {
				$( '.slider-success-msg' ).remove();
				$( '.amount', delay_between_requests_container ).after( '<img src="' + spinner_url + '" alt="" class="slider-spinner general-spinner" />' );
				delay_between_requests_slider.slider( 'disable' );

				$.ajax( {
					url: ajaxurl,
					type: 'POST',
					cache: false,
					data: {
						action: 'wpmdb_update_delay_between_requests',
						delay_between_requests: parseInt( ui.value * 1000 ),
						nonce: wpmdb_data.nonces.update_delay_between_requests
					},
					error: function( jqXHR, textStatus, errorThrown ) {
						delay_between_requests_slider.slider( 'enable' );
						$( '.slider-spinner', delay_between_requests_container ).remove();
						alert( wpmdb_strings.delay_between_requests_problem );
						set_slider_value( delay_between_requests_container, wpmdb_data.delay_between_requests / 1000, 's' );
						delay_between_requests_slider.slider( 'enable' );
					},
					success: function() {
						wpmdb_data.delay_between_requests = parseInt( ui.value * 1000 );
						delay_between_requests_slider.slider( 'enable' );
						$( '.slider-label-wrapper', delay_between_requests_container ).append( '<span class="slider-success-msg">' + wpmdb_strings.saved + '</span>' );
						$( '.slider-success-msg', delay_between_requests_container ).fadeOut( 2000, function() {
							$( this ).remove();
						} );
						$( '.slider-spinner', delay_between_requests_container ).remove();
					}
				} );
			}
		} );

		var $push_select = $( '#select-tables' ).clone();
		var $pull_select = $( '#select-tables' ).clone();
		var $push_post_type_select = $( '#select-post-types' ).clone();
		var $pull_post_type_select = $( '#select-post-types' ).clone();
		var $push_select_backup = $( '#select-backup' ).clone();
		var $pull_select_backup = $( '#select-backup' ).clone();

		$( '.help-tab .video' ).each( function() {
			var $container = $( this ),
				$viewer = $( '.video-viewer' );

			$( 'a', this ).click( function( e ) {
				e.preventDefault();

				$viewer.attr( 'src', '//www.youtube.com/embed/' + $container.data( 'video-id' ) + '?autoplay=1' );
				$viewer.show();
				var offset = $viewer.offset();
				$( window ).scrollTop( offset.top - 50 );
			} );
		} );

		$( '.backup-options' ).show();
		$( '.keep-active-plugins' ).show();
		if ( 'savefile' === wpmdb_migration_type() ) {
			$( '.backup-options' ).hide();
			$( '.keep-active-plugins' ).hide();
		}

		last_replace_switch = wpmdb_migration_type();

		function check_licence( licence ) {
			var update_licence_content = ! doing_licence_registration_ajax;
			checked_licence = true;
			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				cache: false,
				data: {
					action: 'wpmdb_check_licence',
					licence: licence,
					context: 'all',
					nonce: wpmdb_data.nonces.check_licence
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.license_check_problem );
				},
				success: function( data ) {

					var $support_content = $( '.support-content' );
					var $addons_content = $( '.addons-content' );
					var $licence_content = $( '.licence-status:not(.notification-message)' );
					var licence_msg, support_msg, addons_msg;

					if ( 'undefined' !== typeof data.dbrains_api_down ) {
						support_msg = data.dbrains_api_down + data.message;
						addons_msg = data.dbrains_api_down;
					} else if ( 'undefined' !== typeof data.errors ) {

						if ( 'undefined' !== typeof data.errors.subscription_expired ) {
							licence_msg = data.errors.subscription_expired.licence;
							support_msg = data.errors.subscription_expired.support;
							addons_msg = data.errors.subscription_expired.addons;
						} else {
							var msg = '';
							for ( var key in data.errors ) {
								msg += data.errors[ key ];
							}
							support_msg = msg;
							addons_msg = msg;
						}
						if ( 'undefined' !== typeof data.addon_content ) {
							addons_msg += '\n' + data.addon_content;
						}
					} else {
						support_msg = data.message;
						addons_msg = data.addon_content;
					}

					if ( update_licence_content ) {
						$licence_content.stop().fadeOut( fade_duration, function() {
							if ( 'undefined' === typeof licence_msg ) {
								$( this ).css( { visibility: 'hidden', display: 'block' } ).slideUp();
								licence_msg = '';
							}

							$( this )
								.empty()
								.html( licence_msg )
								.stop()
								.fadeIn( fade_duration );
						} );
					}

					$support_content.stop().fadeOut( fade_duration, function() {
						$( this )
							.empty()
							.html( support_msg )
							.stop()
							.fadeIn( fade_duration );
					} );
					$addons_content.stop().fadeOut( fade_duration, function() {
						$( this )
							.empty()
							.html( addons_msg )
							.stop()
							.fadeIn( fade_duration );
					} );

				}
			} );
		}

		/**
		 * Handle 'Check License Again' functionality found in expired license messages.
		 */
		$( '.content-tab' ).on( 'click', '.check-my-licence-again', function( e ) {
			e.preventDefault();
			checked_licence = false;
			$( e.target ).replaceWith( 'Checking... ' + ajax_spinner );
			check_licence( null, 'all' );
		} );
		function refresh_table_selects() {
			if ( undefined !== wpmdb_data && undefined !== wpmdb_data.this_tables && undefined !== wpmdb_data.this_table_sizes_hr ) {
				$push_select = create_table_select( wpmdb_data.this_tables, wpmdb_data.this_table_sizes_hr, $( $push_select ).val() );
			}

			if ( undefined !== wpmdb.common.connection_data && undefined !== wpmdb.common.connection_data.tables && undefined !== wpmdb.common.connection_data.table_sizes_hr ) {
				$pull_select = create_table_select( wpmdb.common.connection_data.tables, wpmdb.common.connection_data.table_sizes_hr, $( $pull_select ).val() );
			}
		}

		$.wpmdb.add_action( 'wpmdb_refresh_table_selects', refresh_table_selects );

		function update_push_table_select() {
			$( '#select-tables' ).remove();
			$( '.select-tables-wrap' ).prepend( $push_select );
			$( '#select-tables' ).change();
		}

		$.wpmdb.add_action( 'wpmdb_update_push_table_select', update_push_table_select );

		function update_pull_table_select() {
			$( '#select-tables' ).remove();
			$( '.select-tables-wrap' ).prepend( $pull_select );
			$( '#select-tables' ).change();
		}

		$.wpmdb.add_action( 'wpmdb_update_pull_table_select', update_pull_table_select );

		function disable_table_migration_options() {
			$( '#migrate-selected' ).parents( '.option-section' ).children( '.header-expand-collapse' ).children( '.expand-collapse-arrow' ).removeClass( 'collapsed' );
			$( '.table-select-wrap' ).show();
			$( '#migrate-only-with-prefix' ).prop( 'checked', false );
			$( '#migrate-selected' ).prop( 'checked', true );
			$( '.table-migrate-options' ).hide();
			$( '.select-tables-wrap' ).show();
		}

		$.wpmdb.add_action( 'wpmdb_disable_table_migration_options', disable_table_migration_options );

		function enable_table_migration_options() {
			$( '.table-migrate-options' ).show();
		}

		$.wpmdb.add_action( 'wpmdb_enable_table_migration_options', enable_table_migration_options );

		function select_all_tables() {
			$( '#select-tables' ).children( 'option' ).prop( 'selected', true );
			$( '#select-tables' ).change();
		}

		$.wpmdb.add_action( 'wpmdb_select_all_tables', select_all_tables );

		function base_old_url( value, args ) {
			return remove_protocol( wpmdb_data.this_url );
		}

		$.wpmdb.add_filter( 'wpmdb_base_old_url', base_old_url );

		function establish_remote_connection_from_saved_profile() {
			var action = wpmdb_migration_type();
			var connection_info = $.trim( $( '.pull-push-connection-info' ).val() ).split( '\n' );
			if ( 'undefined' === typeof wpmdb_default_profile ||
			     true === wpmdb_default_profile ||
			     'savefile' === action ||
			     'find_replace' === action ||
			     doing_ajax ||
			     ! wpmdb_data.is_pro ) {
				return;
			}

			doing_ajax = true;
			disable_export_type_controls();

			$( '.connection-status' ).html( wpmdb_strings.establishing_remote_connection );
			$( '.connection-status' ).removeClass( 'notification-message error-notice migration-error' );
			$( '.connection-status' ).append( ajax_spinner );

			var intent = wpmdb_migration_type();

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				cache: false,
				data: {
					action: 'wpmdb_verify_connection_to_remote_site',
					url: connection_info[ 0 ],
					key: connection_info[ 1 ],
					intent: intent,
					nonce: wpmdb_data.nonces.verify_connection_to_remote_site,
					convert_post_type_selection: wpmdb_convert_post_type_selection,
					profile: wpmdb_data.profile
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					$( '.connection-status' ).html( get_ajax_errors( jqXHR.responseText, '(#102)', jqXHR ) );
					$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
					enable_export_type_controls();
				},
				success: function( data ) {
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
					enable_export_type_controls();

					if ( 'undefined' !== typeof data.wpmdb_error && 1 === data.wpmdb_error ) {
						$( '.connection-status' ).html( data.body );
						$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );

						if ( data.body.indexOf( '401 Unauthorized' ) > -1 ) {
							$( '.basic-access-auth-wrapper' ).show();
						}

						return;
					}

					maybe_show_ssl_warning( connection_info[ 0 ], connection_info[ 1 ], data.scheme );
					maybe_show_prefix_notice( data.prefix );

					$( '.pull-push-connection-info' ).addClass( 'temp-disabled' );
					$( '.pull-push-connection-info' ).attr( 'readonly', 'readonly' );
					$( '.connect-button' ).hide();

					$( '.connection-status' ).hide();
					$( '.step-two' ).show();
					connection_established = true;
					set_connection_data( data );
					move_connection_info_box();

					maybe_show_mixed_cased_table_name_warning();

					var loaded_tables = '';
					if ( false === wpmdb_default_profile && 'undefined' !== typeof wpmdb_loaded_tables ) {
						loaded_tables = wpmdb_loaded_tables;
					}

					$pull_select = create_table_select( wpmdb.common.connection_data.tables, wpmdb.common.connection_data.table_sizes_hr, loaded_tables );

					var loaded_post_types = '';
					if ( false === wpmdb_default_profile && 'undefined' !== typeof wpmdb_loaded_post_types ) {
						if ( 'undefined' !== typeof data.select_post_types ) {
							$( '#exclude-post-types' ).attr( 'checked', 'checked' );
							$( '.post-type-select-wrap' ).show();
							loaded_post_types = data.select_post_types;
						} else {
							loaded_post_types = wpmdb_loaded_post_types;
						}
					}

					var $post_type_select = document.createElement( 'select' );
					$( $post_type_select ).attr( {
						multiple: 'multiple',
						name: 'select_post_types[]',
						id: 'select-post-types',
						class: 'multiselect'
					} );

					$.each( wpmdb.common.connection_data.post_types, function( index, value ) {
						var selected = $.inArray( value, loaded_post_types );
						if ( -1 !== selected || ( true === wpmdb_convert_exclude_revisions && 'revision' !== value ) ) {
							selected = ' selected="selected" ';
						} else {
							selected = ' ';
						}
						$( $post_type_select ).append( '<option' + selected + 'value="' + value + '">' + value + '</option>' );
					} );

					$pull_post_type_select = $post_type_select;

					var loaded_tables_backup = '';
					if ( false === wpmdb_default_profile && 'undefined' !== typeof wpmdb_loaded_tables_backup ) {
						loaded_tables_backup = wpmdb_loaded_tables_backup;
					}

					var $table_select_backup = document.createElement( 'select' );
					$( $table_select_backup ).attr( {
						multiple: 'multiple',
						name: 'select_backup[]',
						id: 'select-backup',
						class: 'multiselect'
					} );

					$.each( wpmdb.common.connection_data.tables, function( index, value ) {
						var selected = $.inArray( value, loaded_tables_backup );
						if ( -1 !== selected ) {
							selected = ' selected="selected" ';
						} else {
							selected = ' ';
						}
						$( $table_select_backup ).append( '<option' + selected + 'value="' + value + '">' + value + ' (' + wpmdb.common.connection_data.table_sizes_hr[ value ] + ')</option>' );
					} );

					$push_select_backup = $table_select_backup;

					if ( 'pull' === wpmdb_migration_type() ) {
						$.wpmdb.do_action( 'wpmdb_update_pull_table_select' );
						$( '#select-post-types' ).remove();
						$( '.exclude-post-types-warning' ).after( $pull_post_type_select );
						$( '#select-backup' ).remove();
						$( '.backup-tables-wrap' ).prepend( $pull_select_backup );
						$( '.table-prefix' ).html( data.prefix );
						$( '.uploads-dir' ).html( wpmdb_data.this_uploads_dir );
					} else {
						$( '#select-backup' ).remove();
						$( '.backup-tables-wrap' ).prepend( $push_select_backup );
					}

					$.wpmdb.do_action( 'verify_connection_to_remote_site', wpmdb.common.connection_data );
				}

			} );

		}

		// automatically validate connection info if we're loading a saved profile
		establish_remote_connection_from_saved_profile();

		// add to <a> tags which act as JS event buttons, will not jump page to top and will deselect the button
		$( 'body' ).on( 'click', '.js-action-link', function( e ) {
			e.preventDefault();
			$( this ).blur();
		} );

		function enable_pro_licence( data, licence_key ) {
			$( '.licence-input, .register-licence' ).remove();
			$( '.licence-not-entered' ).prepend( data.masked_licence );
			$( '.support-content' ).empty().html( '<p>' + wpmdb_strings.fetching_license + '<img src="' + spinner_url + '" alt="" class="ajax-spinner general-spinner" /></p>' );
			check_licence( licence_key );

			$( '.migrate-selection label' ).removeClass( 'disabled' );
			$( '.migrate-selection input' ).removeAttr( 'disabled' );
		}

		$( '.licence-input' ).keypress( function( e ) {
			if ( 13 === e.which ) {
				e.preventDefault();
				$( '.register-licence' ).click();
			}
		} );

		// registers your licence
		$( 'body' ).on( 'click', '.register-licence', function( e ) {
			e.preventDefault();

			if ( doing_licence_registration_ajax ) {
				return;
			}

			var licence_key = $.trim( $( '.licence-input' ).val() );
			var $licence_status = $( '.licence-status' );

			$licence_status.removeClass( 'notification-message error-notice success-notice' );

			if ( '' === licence_key ) {
				$licence_status.html( '<div class="notification-message error-notice">' + wpmdb_strings.enter_license_key + '</div>' );
				return;
			}

			$licence_status.empty().removeClass( 'success' );
			doing_licence_registration_ajax = true;
			$( '.button.register-licence' ).after( '<img src="' + spinner_url + '" alt="" class="register-licence-ajax-spinner general-spinner" />' );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'JSON',
				cache: false,
				data: {
					action: 'wpmdb_activate_licence',
					licence_key: licence_key,
					nonce: wpmdb_data.nonces.activate_licence,
					context: 'licence'
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					doing_licence_registration_ajax = false;
					$( '.register-licence-ajax-spinner' ).remove();
					$licence_status.html( wpmdb_strings.register_license_problem );
				},
				success: function( data ) {
					$( '.register-licence-ajax-spinner' ).remove();

					if ( 'undefined' !== typeof data.errors ) {
						var msg = '';
						for ( var key in data.errors ) {
							msg += data.errors[ key ];
						}
						$licence_status.html( msg );

						if ( 'undefined' !== typeof data.masked_licence ) {
							enable_pro_licence( data, licence_key );
							$( '.migrate-tab .invalid-licence' ).hide();
						}
					} else if ( 'undefined' !== typeof data.wpmdb_error && 'undefined' !== typeof data.body ) {
						$licence_status.html( data.body );
					} else {
						if ( 1 === Number( data.is_first_activation ) ) {
							wpmdb_strings.welcome_text = wpmdb_strings.welcome_text.replace( '%1$s', 'https://deliciousbrains.com/wp-migrate-db-pro/doc/quick-start-guide/' );
							wpmdb_strings.welcome_text = wpmdb_strings.welcome_text.replace( '%2$s', 'https://deliciousbrains.com/wp-migrate-db-pro/videos/' );

							$licence_status.after(
								'<div id="welcome-wrap">' +
									'<img id="welcome-img" src="' + wpmdb_data.this_plugin_url + 'asset/dist/img/welcome.jpg" />' +
									'<div class="welcome-text">' +
										'<h3>' + wpmdb_strings.welcome_title + '</h3>' +
										'<p>' + wpmdb_strings.welcome_text + '</p>' +
									'</div>' +
								'</div>'
							);
						}

						$licence_status.html( wpmdb_strings.license_registered ).delay( 5000 ).fadeOut( 1000, function() {
							$( this ).css( { visibility: 'hidden', display: 'block' } ).slideUp();
						} );
						$licence_status.addClass( 'success notification-message success-notice' );
						enable_pro_licence( data, licence_key );
						$( '.invalid-licence' ).hide();
					}

					doing_licence_registration_ajax = false;
				}
			} );

		} );

		// clears the debug log
		$( '.clear-log' ).click( function() {
			$( '.ajax-spinner, .ajax-success-msg' ).remove();
			$( this ).after( ajax_spinner );
			$( '.debug-log-textarea' ).val( '' );
			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_clear_log',
					nonce: wpmdb_data.nonces.clear_log
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					$( '.ajax-spinner' ).remove();
					alert( wpmdb_strings.clear_log_problem );
				},
				success: function( data ) {
					$( '.ajax-spinner, .ajax-success-msg' ).remove();
					refresh_debug_log();
					$( '.clear-log' ).after( '<span class="ajax-success-msg">' + wpmdb_strings.clear_error_log + '</span>' );
					$( '.ajax-success-msg' ).fadeOut( 2000, function() {
						$( this ).remove();
					} );
				}
			} );
		} );

		// updates the debug log when the user switches to the help tab
		function refresh_debug_log() {
			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_get_log',
					nonce: wpmdb_data.nonces.get_log
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.update_log_problem );
				},
				success: function( data ) {
					$( '.debug-log-textarea' ).val( data );
				}
			} );
		}

		// select all tables
		$( '.multiselect-select-all' ).click( function() {
			var multiselect = $( this ).parents( '.select-wrap' ).children( '.multiselect' );
			$( 'option', multiselect ).prop( 'selected', 1 );
			$( multiselect ).focus().trigger( 'change' );
		} );

		// deselect all tables
		$( '.multiselect-deselect-all' ).click( function() {
			var multiselect = $( this ).parents( '.select-wrap' ).children( '.multiselect' );
			$( 'option', multiselect ).removeAttr( 'selected' );
			$( multiselect ).focus().trigger( 'change' );
		} );

		// invert table selection
		$( '.multiselect-invert-selection' ).click( function() {
			var multiselect = $( this ).parents( '.select-wrap' ).children( '.multiselect' );
			$( 'option', multiselect ).each( function() {
				$( this ).attr( 'selected', !$( this ).attr( 'selected' ) );
			} );
			$( multiselect ).focus().trigger( 'change' );
		} );

		// on option select hide all "advanced" option divs and show the correct div for the option selected
		$( '.option-group input[type=radio]' ).change( function() {
			var group = $( this ).closest( '.option-group' );
			$( 'ul', group ).hide();
			var parent = $( this ).closest( 'li' );
			$( 'ul', parent ).show();
		} );

		// on page load, expand hidden divs for selected options (browser form cache)
		$( '.option-group' ).each( function() {
			$( '.option-group input[type=radio]' ).each( function() {
				if ( $( this ).is( ':checked' ) ) {
					var parent = $( this ).closest( 'li' );
					$( 'ul', parent ).show();
				}
			} );
		} );

		// expand and collapse content on click
		$( '.header-expand-collapse' ).click( function() {
			if ( $( '.expand-collapse-arrow', this ).hasClass( 'collapsed' ) ) {
				$( '.expand-collapse-arrow', this ).removeClass( 'collapsed' );
				$( this ).next().show();
			} else {
				$( '.expand-collapse-arrow', this ).addClass( 'collapsed' );
				$( this ).next().hide();
			}
		} );

		$( '.checkbox-label input[type=checkbox]' ).change( function() {
			if ( $( this ).is( ':checked' ) ) {
				$( this ).parent().next().show();
			} else {
				$( this ).parent().next().hide();
			}
		} );

		// warning for excluding post types
		$( '.select-post-types-wrap' ).on( 'change', '#select-post-types', function() {
			exclude_post_types_warning();
		} );

		function exclude_post_types_warning() {
			var excluded_post_types = $( '#select-post-types' ).val();
			var excluded_post_types_text = '';
			var $exclude_post_types_warning = $( '.exclude-post-types-warning' );
			var $exclude_post_types_migrate_msg = $exclude_post_types_warning.find( '.migrate-msg' );
			var $exclude_post_types_find_replace_msg = $exclude_post_types_warning.find( '.find-replace-msg' );

			if ( 'find_replace' === wpmdb_migration_type() ) {
				$exclude_post_types_migrate_msg.hide();
				$exclude_post_types_find_replace_msg.show();
			} else {
				$exclude_post_types_find_replace_msg.hide();
				$exclude_post_types_migrate_msg.show();
			}

			if ( excluded_post_types ) {
				excluded_post_types_text = '<code>' + excluded_post_types.join( '</code>, <code>' ) + '</code>';
				$( '.excluded-post-types' ).html( excluded_post_types_text );

				if ( '0' === $exclude_post_types_warning.css( 'opacity' ) ) {
					$exclude_post_types_warning
						.css( { opacity: 0 } )
						.slideDown( 200 )
						.animate( { opacity: 1 } );
				}
			} else {
				$exclude_post_types_warning
					.css( { opacity: 0 } )
					.slideUp( 200 )
					.animate( { opacity: 0 } );
			}
		}

		if ( $( '#exclude-post-types' ).is( ':checked' ) ) {
			if ( $( '#select-post-types' ).val() ) {
				$( '.exclude-post-types-warning' ).css( { display: 'block', opacity: 1 } );
			}
		}

		// special expand and collapse content on click for save migration profile
		$( '#save-migration-profile' ).change( function() {
			wpmdb.functions.update_migrate_button_text();
			if ( $( this ).is( ':checked' ) ) {
				$( '.save-settings-button' ).show();
			} else {
				$( '.save-settings-button' ).hide();
			}
		} );

		if ( $( '#save-migration-profile' ).is( ':checked' ) ) {
			$( '.save-settings-button' ).show();
		}

		$( '.create-new-profile' ).focus( function() {
			$( '#create_new' ).prop( 'checked', true );
		} );

		$( '.checkbox-label input[type=checkbox]' ).each( function() {
			if ( $( this ).is( ':checked' ) ) {
				$( this ).parent().next().show();
			}
		} );

		// AJAX migrate button
		$( '.migrate-db-button' ).click( function( event ) {
			$( this ).blur();
			event.preventDefault();
			wpmdb.migration_state_id = '';

			if ( false === $.wpmdb.apply_filters( 'wpmdb_migration_profile_ready', true ) ) {
				return;
			}

			// check that they've selected some tables to migrate
			if ( $( '#migrate-selected' ).is( ':checked' ) && null === $( '#select-tables' ).val() ) {
				alert( wpmdb_strings.please_select_one_table );
				return;
			}

			// check that they've selected some tables to backup
			if ( 'savefile' !== wpmdb_migration_type() && $( '#backup-manual-select' ).is( ':checked' ) && null === $( '#select-backup' ).val() ) {
				alert( wpmdb_strings.please_select_one_table_backup );
				return;
			}

			var new_url_missing = false;
			var new_file_path_missing = false;
			if ( $( '#new-url' ).length && !$( '#new-url' ).val() ) {
				$( '#new-url-missing-warning' ).show();
				$( '#new-url' ).focus();
				$( 'html,body' ).scrollTop( 0 );
				new_url_missing = true;
			}

			if ( $( '#new-path' ).length && !$( '#new-path' ).val() ) {
				$( '#new-path-missing-warning' ).show();
				if ( false === new_url_missing ) {
					$( '#new-path' ).focus();
					$( 'html,body' ).scrollTop( 0 );
				}
				new_file_path_missing = true;
			}

			if ( true === new_url_missing || true === new_file_path_missing ) {
				return;
			}

			// also save profile
			if ( $( '#save-migration-profile' ).is( ':checked' ) ) {
				save_active_profile();
			}

			form_data = $( $( '#migrate-form' )[0].elements ).not( '.auth-credentials' ).serialize();

			migration_intent = wpmdb_migration_type();

			stage = 'backup';

			if ( 'savefile' === migration_intent ) {
				stage = 'migrate';
			}

			if ( false === $( '#create-backup' ).is( ':checked' ) ) {
				stage = 'migrate';
			}

			wpmdb.current_migration = wpmdb.migration_progress_controller.newMigration( {
				'localTableSizes': wpmdb_data.this_table_sizes,
				'localTableRows': wpmdb_data.this_table_rows,
				'remoteTableSizes': 'undefined' !== typeof wpmdb.common.connection_data ? wpmdb.common.connection_data.table_sizes : null,
				'remoteTableRows': 'undefined' !== typeof wpmdb.common.connection_data ? wpmdb.common.connection_data.table_rows : null,
				'migrationIntent': wpmdb_migration_type()
			} );

			var backup_option = $( 'input[name=backup_option]:checked' ).val();
			var table_option = $( 'input[name=table_migrate_option]:checked' ).val();
			var selected_tables = '';
			var data_type = '';

			// set up backup stage
			if ( 'backup' === stage ) {
				if ( 'migrate_only_with_prefix' === table_option && 'backup_selected' === backup_option ) {
					backup_option = 'backup_only_with_prefix';
				}
				if ( 'push' === migration_intent ) {
					data_type = 'remote';
					if ( 'backup_only_with_prefix' === backup_option ) {
						tables_to_migrate = wpmdb.common.connection_data.prefixed_tables;
					} else if ( 'backup_selected' === backup_option ) {
						selected_tables = $( '#select-tables' ).val();
						selected_tables = $.wpmdb.apply_filters( 'wpmdb_backup_selected_tables', selected_tables );
						tables_to_migrate = get_intersect( selected_tables, wpmdb.common.connection_data.tables );
					} else if ( 'backup_manual_select' === backup_option ) {
						tables_to_migrate = $( '#select-backup' ).val();
					}
				} else {
					data_type = 'local';
					if ( 'backup_only_with_prefix' === backup_option ) {
						tables_to_migrate = wpmdb_data.this_prefixed_tables;
					} else if ( 'backup_selected' === backup_option ) {
						selected_tables = $( '#select-tables' ).val();
						selected_tables = $.wpmdb.apply_filters( 'wpmdb_backup_selected_tables', selected_tables );
						tables_to_migrate = get_intersect( selected_tables, wpmdb_data.this_tables );
					} else if ( 'backup_manual_select' === backup_option ) {
						tables_to_migrate = $( '#select-backup' ).val();
					}
				}

				wpmdb.current_migration.model.addStage( 'backup', tables_to_migrate, data_type, {
					strings: {
						migrated: wpmdb_strings.backed_up
					}
				} );
			}

			// set up migration stage
			if ( -1 !== $.inArray( migration_intent, [ 'push', 'savefile', 'find_replace' ] ) ) {
				data_type = 'local';
			} else {
				data_type = 'remote';
			}

			if ( 'find_replace' === migration_intent ) {
				if ( 'backup' !== stage ) {
					stage = 'find_replace';
				}

				wpmdb.current_migration.model.addStage( 'find_replace', get_tables_to_migrate( null, null ), data_type, {
					strings: {
						migrated: wpmdb_strings.searched,
						stage_title: wpmdb_strings.migrate_button_find_replace
					}
				} );
			} else {
				wpmdb.current_migration.model.addStage( 'migrate', get_tables_to_migrate( null, null ), data_type );
			}

			// add any additional migration stages via hook
			$.wpmdb.do_action( 'wpmdb_add_migration_stages', {
				'data_type': data_type,
				'tables_to_migrate': get_tables_to_migrate( null, null )
			} );

			var table_intent = $( 'input[name=table_migrate_option]:checked' ).val();
			var connection_info = $.trim( $( '.pull-push-connection-info' ).val() ).split( '\n' );
			var table_rows = '';

			remote_site = connection_info[ 0 ];
			secret_key = connection_info[ 1 ];

			var static_migration_label = get_migration_status_label( remote_site, migration_intent, 'migrating' );
			completed_msg = get_migration_status_label( remote_site, migration_intent, 'completed' );

			if ( 'find_replace' === stage ) {
				tables_to_migrate = wpmdb.current_migration.model.getStageItems( 'find_replace', 'name' );
			} else if ( 'backup' === stage ) {
				tables_to_migrate = wpmdb.current_migration.model.getStageItems( 'backup', 'name' );
			} else {
				tables_to_migrate = wpmdb.current_migration.model.getStageItems( 'migrate', 'name' );
			}

			wpmdb.current_migration.model.setActiveStage( stage );

			wpmdb.current_migration.setTitle( static_migration_label );

			wpmdb.current_migration.startTimer();

			currently_migrating = true;
			wpmdb.current_migration.setStatus( 'active' );

			var request_data = {
				action: 'wpmdb_initiate_migration',
				intent: migration_intent,
				url: remote_site,
				key: secret_key,
				form_data: form_data,
				stage: stage,
				nonce: wpmdb_data.nonces.initiate_migration
			};

			request_data.site_details = {
				local: wpmdb_data.site_details
			};

			if ( -1 === $.inArray( migration_intent, [ 'savefile', 'find_replace' ] ) ) {
				request_data.temp_prefix = wpmdb.common.connection_data.temp_prefix;
				request_data.site_details.remote = wpmdb.common.connection_data.site_details;
			}

			// site_details can have a very large number of elements that blows out PHP's max_input_vars
			// so we reduce it down to one variable for this one POST.
			request_data.site_details = JSON.stringify( request_data.site_details );

			doing_ajax = true;

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				cache: false,
				data: request_data,
				error: function( jqXHR, textStatus, errorThrown ) {

					wpmdb.current_migration.setState( wpmdb_strings.migration_failed, get_ajax_errors( jqXHR.responseText, '(#112)', jqXHR ), 'error' );

					console.log( jqXHR );
					console.log( textStatus );
					console.log( errorThrown );
					doing_ajax = false;
					wpmdb.common.migration_error = true;
					wpmdb.functions.migration_complete_events();
					return;
				},
				success: function( data ) {
					doing_ajax = false;
					if ( 'undefined' !== typeof data && 'undefined' !== typeof data.wpmdb_error && 1 === data.wpmdb_error ) {
						wpmdb.common.migration_error = true;
						wpmdb.functions.migration_complete_events();
						wpmdb.current_migration.setState( wpmdb_strings.migration_failed, data.body, 'error' );

						return;
					}

					wpmdb.migration_state_id = data.migration_state_id;

					var i = 0;

					// Set delay between requests - use max of local/remote values, 0 if doing export
					delay_between_requests = 0;
					if ( 'savefile' !== migration_intent && 'undefined' !== typeof wpmdb.common.connection_data && 'undefined' !== typeof wpmdb.common.connection_data.delay_between_requests ) {
						delay_between_requests = Math.max( parseInt( wpmdb_data.delay_between_requests ), parseInt( wpmdb.common.connection_data.delay_between_requests ) );
					}

					wpmdb.functions.migrate_table_recursive = function( current_row, primary_keys ) {

						if ( i >= tables_to_migrate.length ) {
							if ( 'backup' === stage ) {

								stage = 'migrate';
								if ( 'find_replace' === migration_intent ) {
									stage = 'find_replace';
								}

								wpmdb.current_migration.model.setActiveStage( stage );

								i = 0;

								// should get from model
								tables_to_migrate = get_tables_to_migrate( null, null );

							} else {
								$( '.progress-label' ).removeClass( 'label-visible' );

								wpmdb.common.hooks = $.wpmdb.apply_filters( 'wpmdb_before_migration_complete_hooks', wpmdb.common.hooks );
								wpmdb.common.hooks.push( wpmdb.functions.migration_complete );
								wpmdb.common.hooks.push( wpmdb.functions.wpmdb_flush );
								wpmdb.common.hooks = $.wpmdb.apply_filters( 'wpmdb_after_migration_complete_hooks', wpmdb.common.hooks );
								wpmdb.common.hooks.push( wpmdb.functions.migration_complete_events );
								wpmdb.common.next_step_in_migration = { fn: wpmdb_call_next_hook };
								wpmdb.functions.execute_next_step();
								return;
							}
						}

						var last_table = 0;
						if ( i === ( tables_to_migrate.length - 1 ) ) {
							last_table = 1;
						}

						var gzip = 0;
						if ( 'savefile' !== migration_intent && 'find_replace' !== migration_intent && 1 === parseInt( wpmdb.common.connection_data.gzip ) ) {
							gzip = 1;
						}

						var request_data = {
							action: 'wpmdb_migrate_table',
							migration_state_id: wpmdb.migration_state_id,
							table: tables_to_migrate[ i ],
							stage: stage,
							current_row: current_row,
							last_table: last_table,
							primary_keys: primary_keys,
							gzip: gzip,
							nonce: wpmdb_data.nonces.migrate_table
						};

						if ( 'savefile' !== migration_intent &&  'find_replace' !== migration_intent ) {
							request_data.bottleneck = wpmdb.common.connection_data.bottleneck;
							request_data.prefix = wpmdb.common.connection_data.prefix;
						}

						if ( wpmdb.common.connection_data && wpmdb.common.connection_data.path_current_site && wpmdb.common.connection_data.domain ) {
							request_data.path_current_site = wpmdb.common.connection_data.path_current_site;
							request_data.domain_current_site = wpmdb.common.connection_data.domain;
						}

						doing_ajax = true;

						$.ajax( {
							url: ajaxurl,
							type: 'POST',
							dataType: 'text',
							cache: false,
							timeout: 0,
							data: request_data,
							error: function( jqXHR, textStatus, errorThrown ) {
								var progress_text = wpmdb_strings.table_process_problem + ' ' + tables_to_migrate[ i ] + '<br /><br />' + wpmdb_strings.status + ': ' + jqXHR.status + ' ' + jqXHR.statusText + '<br /><br />' + wpmdb_strings.response + ':<br />' + jqXHR.responseText;
								wpmdb.current_migration.setState( wpmdb_strings.migration_failed, progress_text, 'error' );

								doing_ajax = false;
								console.log( jqXHR );
								console.log( textStatus );
								console.log( errorThrown );
								wpmdb.common.migration_error = true;
								wpmdb.functions.migration_complete_events();
								return;
							},
							success: function( data ) {
								doing_ajax = false;
								data = $.trim( data );
								var row_information = wpmdb_parse_json( data );
								var error_text = '';

								if ( false === row_information || null === row_information ) {

									// should update model
									if ( '' === data || null === data ) {
										error_text = wpmdb_strings.table_process_problem_empty_response + ' ' + tables_to_migrate[ i ];
									} else {
										error_text = get_ajax_errors( data, null, null );
									}

									wpmdb.current_migration.setState( wpmdb_strings.migration_failed, error_text, 'error' );
									wpmdb.common.migration_error = true;
									wpmdb.functions.migration_complete_events();
									return;
								}

								if ( 'undefined' !== typeof row_information.wpmdb_error && 1 === row_information.wpmdb_error ) {
									wpmdb.current_migration.setState( wpmdb_strings.migration_failed, row_information.body, 'error' );
									wpmdb.common.migration_error = true;
									wpmdb.functions.migration_complete_events();
									return;
								}

								//successful iteration, update model
								wpmdb.current_migration.setText();
								wpmdb.current_migration.model.getStageModel( stage ).setItemRowsTransferred( tables_to_migrate[ i ], row_information.current_row );

								// We need the returned file name for delivery or display to the user.
								if ( 1 === last_table && 'savefile' === migration_intent ) {
									if ( 'undefined' !== typeof row_information.dump_filename ) {
										dump_filename = row_information.dump_filename;
									}
									if ( 'undefined' !== typeof row_information.dump_path ) {
										dump_path = row_information.dump_path;
									}
								}

								if ( -1 === parseInt( row_information.current_row ) ) {
									i++;
									row_information.current_row = '';
									row_information.primary_keys = '';
								}

								wpmdb.common.next_step_in_migration = {
									fn: wpmdb.functions.migrate_table_recursive,
									args: [ row_information.current_row, row_information.primary_keys ]
								};
								wpmdb.functions.execute_next_step();
							}
						} );

					};

					wpmdb.common.next_step_in_migration = {
						fn: wpmdb.functions.migrate_table_recursive,
						args: [ '-1', '' ]
					};
					wpmdb.functions.execute_next_step();

				}

			} ); // end ajax

		} );

		wpmdb.functions.migration_complete_events = function() {
			if ( false === wpmdb.common.migration_error ) {
				if ( '' === wpmdb.common.non_fatal_errors ) {
					if ( 'savefile' !== migration_intent && true === $( '#save_computer' ).is( ':checked' ) ) {
						wpmdb.current_migration.setText();
					}

					completed_msg = completed_msg + '&nbsp;<div class="dashicons dashicons-yes"></div>';

					if ( true === migration_cancelled ) {
						var cancel_success = wpmdb_strings.migration_cancelled_success;

						if ( 'find_replace' === migration_intent ) {
							cancel_success = wpmdb_strings.find_replace_cancelled_success;
						}

						wpmdb.current_migration.setState( completed_msg, cancel_success, 'cancelled' );
					} else {
						wpmdb.current_migration.setState( completed_msg, '', 'complete' );
					}

				} else {
					wpmdb.current_migration.setState( wpmdb_strings.completed_with_some_errors, wpmdb.common.non_fatal_errors, 'error' );
				}
			}

			$( '.migration-controls' ).addClass( 'hidden' );

			// reset migration variables so consecutive migrations work correctly
			wpmdb.common.hooks = [];
			wpmdb.common.call_stack = [];
			wpmdb.common.migration_error = false;
			currently_migrating = false;
			migration_completed = true;
			migration_paused = false;
			migration_cancelled = false;
			doing_ajax = false;
			wpmdb.common.non_fatal_errors = '';

			$( '.progress-label' ).remove();
			$( '.migration-progress-ajax-spinner' ).remove();
			$( '.close-progress-content' ).show();
			$( '#overlay' ).css( 'cursor', 'pointer' );
			wpmdb.current_migration.model.setMigrationComplete();
		};

		wpmdb.functions.migration_complete = function() {

			$( '.migration-controls' ).addClass( 'hidden' );

			if ( 'savefile' === migration_intent ) {
				currently_migrating = false;
				var migrate_complete_text = wpmdb_strings.migration_complete;
				if ( $( '#save_computer' ).is( ':checked' ) ) {
					var url = wpmdb_data.this_download_url + encodeURIComponent( dump_filename );
					if ( $( '#gzip_file' ).is( ':checked' ) ) {
						url += '&gzip=1';
					}
					window.location = url;
				} else {
					migrate_complete_text = wpmdb_strings.completed_dump_located_at + ' ' + dump_path;
				}

				if ( false === wpmdb.common.migration_error ) {

					wpmdb.functions.migration_complete_events();
					wpmdb.current_migration.setState( completed_msg, migrate_complete_text, 'complete' );

				}

			} else { // rename temp tables, delete old tables

				wpmdb.current_migration.setState( null, wpmdb_strings.finalizing_migration, 'finalizing' );

				var request_data = {
					action: 'wpmdb_finalize_migration',
					migration_state_id: wpmdb.migration_state_id,
					tables: tables_to_migrate.join( ',' ),
					nonce: wpmdb_data.nonces.finalize_migration
				};

				if ( 'find_replace' !== migration_intent ) {
					request_data.prefix = wpmdb.common.connection_data.prefix;
				}

				doing_ajax = true;
				$.ajax( {
					url: ajaxurl,
					type: 'POST',
					dataType: 'text',
					cache: false,
					data: request_data,
					error: function( jqXHR, textStatus, errorThrown ) {
						doing_ajax = false;
						wpmdb.current_migration.setState( wpmdb_strings.migration_failed, wpmdb_strings.finalize_tables_problem, 'error' );

						alert( jqXHR + ' : ' + textStatus + ' : ' + errorThrown );
						wpmdb.common.migration_error = true;
						wpmdb.functions.migration_complete_events();
						return;
					},
					success: function( data ) {
						doing_ajax = false;
						if ( '1' !== $.trim( data ) ) {
							wpmdb.current_migration.setState( wpmdb_strings.migration_failed, data, 'error' );

							wpmdb.common.migration_error = true;
							wpmdb.functions.migration_complete_events();
							return;
						}
						wpmdb.common.next_step_in_migration = { fn: wpmdb_call_next_hook };
						wpmdb.functions.execute_next_step();
					}
				} );
			}
		};

		wpmdb.functions.wpmdb_flush = function() {
			if ( 'savefile' !== migration_intent ) {
				wpmdb.current_migration.setText( wpmdb_strings.flushing );
				doing_ajax = true;
				$.ajax( {
					url: ajaxurl,
					type: 'POST',
					dataType: 'text',
					cache: false,
					data: {
						action: 'wpmdb_flush',
						migration_state_id: wpmdb.migration_state_id,
						nonce: wpmdb_data.nonces.flush
					},
					error: function( jqXHR, textStatus, errorThrown ) {
						doing_ajax = false;
						wpmdb.current_migration.setState( wpmdb_strings.migration_failed, wpmdb_strings.flush_problem, 'error' );

						alert( jqXHR + ' : ' + textStatus + ' : ' + errorThrown );
						wpmdb.common.migration_error = true;
						wpmdb.functions.migration_complete_events();
						return;
					},
					success: function( data ) {
						doing_ajax = false;
						if ( '1' !== $.trim( data ) ) {
							wpmdb.current_migration.setState( wpmdb_strings.migration_failed, data, 'error' );

							wpmdb.common.migration_error = true;
							wpmdb.functions.migration_complete_events();
							return;
						}
						wpmdb.common.next_step_in_migration = { fn: wpmdb_call_next_hook };
						wpmdb.functions.execute_next_step();
					}
				} );
			}
		};

		wpmdb.functions.update_migrate_button_text = function() {
			var migration_intent = wpmdb_migration_type();
			var save_string = ( $( '#save-migration-profile' ).is( ':checked' ) ) ? '_save' : '';
			var migrate_string = 'migrate_button_' + ( ( 'savefile' === migration_intent ) ? 'export' : migration_intent ) + save_string;
			$( '.migrate-db .button-primary' ).val( wpmdb_strings[ migrate_string ] );
		};

		wpmdb.functions.update_migrate_button_text();

		// close progress pop up once migration is completed
		$( 'body' ).on( 'click', '.close-progress-content-button', function( e ) {
			hide_overlay();
			wpmdb.current_migration.restoreTitleElem();
		} );

		$( 'body' ).on( 'click', '#overlay', function( e ) {
			if ( true === migration_completed && e.target === this ) {
				hide_overlay();
				wpmdb.current_migration.restoreTitleElem();
			}
		} );

		function hide_overlay() {
			$( '#overlay' ).removeClass( 'show' ).addClass( 'hide' );
			$( '#overlay > div' ).removeClass( 'show' ).addClass( 'hide' );
			wpmdb.current_migration.$proVersion.find( 'iframe' ).remove();
			setTimeout( function() {
				$( '#overlay' ).remove();
			}, 500 );
			migration_completed = false;
		}

		// AJAX save button profile
		$( '.save-settings-button' ).click( function( event ) {
			event.preventDefault();
			if ( '' === $.trim( $( '.create-new-profile' ).val() ) && $( '#create_new' ).is( ':checked' ) ) {
				alert( wpmdb_strings.enter_name_for_profile );
				$( '.create-new-profile' ).focus();
				return;
			}
			save_active_profile();
		} );

		function save_active_profile() {
			var profile;
			$( '.save-settings-button' ).blur();

			if ( doing_save_profile ) {
				return;
			}

			// check that they've selected some tables to migrate
			if ( $( '#migrate-selected' ).is( ':checked' ) && null === $( '#select-tables' ).val() ) {
				alert( wpmdb_strings.please_select_one_table );
				return;
			}

			// check that they've selected some tables to backup
			if ( 'savefile' !== wpmdb_migration_type() && $( '#backup-manual-select' ).is( ':checked' ) && null === $( '#select-backup' ).val() ) {
				alert( wpmdb_strings.please_select_one_table_backup );
				return;
			}

			var create_new_profile = false;

			if ( $( '#create_new' ).is( ':checked' ) ) {
				create_new_profile = true;
			}
			var profile_name = $( '.create-new-profile' ).val();

			doing_save_profile = true;
			profile = $( $( '#migrate-form' )[0].elements ).not( '.auth-credentials' ).serialize();

			$( '.save-settings-button' ).attr( 'disabled', 'disabled' )
				.after( '<img src="' + spinner_url + '" alt="" class="save-profile-ajax-spinner general-spinner" />' );

			doing_ajax = true;

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_save_profile',
					profile: profile,
					nonce: wpmdb_data.nonces.save_profile
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					doing_ajax = false;
					alert( wpmdb_strings.save_profile_problem );
					$( '.save-settings-button' ).removeAttr( 'disabled' );
					$( '.save-profile-ajax-spinner' ).remove();
					$( '.save-settings-button' ).after( '<span class="ajax-success-msg">' + wpmdb_strings.saved + '</span>' );
					$( '.ajax-success-msg' ).fadeOut( 2000, function() {
						$( this ).remove();
					} );
					doing_save_profile = false;
				},
				success: function( data ) {
					var updated_profile_id = parseInt( $( '#migrate-form input[name=save_migration_profile_option]:checked' ).val(), 10 ) + 1;
					doing_ajax = false;
					$( '.save-settings-button' ).removeAttr( 'disabled' );
					$( '.save-profile-ajax-spinner' ).remove();
					$( '.save-settings-button' ).after( '<span class="ajax-success-msg">' + wpmdb_strings.saved + '</span>' );
					$( '.ajax-success-msg' ).fadeOut( 2000, function() {
						$( this ).remove();
					} );
					doing_save_profile = false;
					$( '.create-new-profile' ).val( '' );

					if ( create_new_profile ) {
						var new_profile_key = parseInt( data, 10 );
						var new_profile_id = new_profile_key + 1;
						var new_li = $( '<li><span class="delete-profile" data-profile-id="' + new_profile_id + '"></span><label for="profile-' + new_profile_id + '"><input id="profile-' + new_profile_id + '" value="' + new_profile_key + '" name="save_migration_profile_option" type="radio"></label></li>' );
						new_li.find( 'label' ).append( document.createTextNode( ' ' + profile_name ) );
						updated_profile_id = new_profile_id;

						$( '#create_new' ).parents( 'li' ).before( new_li );
						$( '#profile-' + new_profile_id ).attr( 'checked', 'checked' );
					}

					// Push updated profile id to history if available
					var updated_url = window.location.href.replace( '#migrate', '' ).replace( /&wpmdb-profile=-?\d+/, '' ) + '&wpmdb-profile=' + updated_profile_id;
					var updated_profile_name = $( '#migrate-form input[name=save_migration_profile_option]:checked' ).parent().text().trim();

					if ( 'function' === typeof window.history.pushState ) {
						if ( $( '#migrate-form .crumbs' ).length ) {
							$( '#migrate-form .crumbs .crumb:last' ).text( updated_profile_name );
						} else {
							var $crumbs = $( '<div class="crumbs" />' )
								.append( '<a class="crumb" href="' + wpmdb_data.this_plugin_base + '"> Saved Profiles </a>' )
								.append( '<span class="crumb">' + updated_profile_name + '</span>' );
							$( '#migrate-form' ).prepend( $crumbs );
						}
						window.history.pushState( { updated_profile_id: updated_profile_id }, null, updated_url );
					}
				}
			} );
		}

		// save file (export) / push / pull special conditions
		function move_connection_info_box() {
			$( '.connection-status' ).hide();
			$( '.prefix-notice' ).hide();
			$( '.ssl-notice' ).hide();
			$( '.different-plugin-version-notice' ).hide();
			$( '.step-two' ).show();
			$( '.backup-options' ).show();
			$( '.keep-active-plugins' ).show();
			$( '.directory-permission-notice' ).hide();
			$( '#create-backup' ).removeAttr( 'disabled' );
			$( '#create-backup-label' ).removeClass( 'disabled' );
			$( '.backup-option-disabled' ).hide();
			$( '.compatibility-older-mysql' ).hide();
			var connection_info = $.trim( $( '.pull-push-connection-info' ).val() ).split( '\n' );
			var profile_name;
			wpmdb_toggle_migration_action_text();

			$.wpmdb.do_action( 'move_connection_info_box', {
				'migration_type': wpmdb_migration_type(),
				'last_migration_type': last_replace_switch
			} );

			if ( 'pull' === wpmdb_migration_type() ) {
				$( '.pull-list li' ).append( $connection_info_box );
				$connection_info_box.show( function() {
					var connection_textarea = $( this ).find( '.pull-push-connection-info' );
					if ( ! connection_textarea.val() ) {
						connection_textarea.focus();
					}
				} );
				if ( ( 'push' === wpmdb.migration_selection || 'savefile' === wpmdb.migration_selection ) && 2 === connection_info.length ) {
					wpmdb.force_reconnect = true;
					$( '.pull-list li' ).append( $connection_info_box );
					$( '.pull-push-connection-info' ).removeClass( 'temp-disabled' ).attr( 'readonly', 'readonly' );
					$( '.connect-button' ).hide();
					connection_box_changed();
					return;
				}
				if ( connection_established ) {
					$( '.connection-status' ).hide();
					$( '.step-two' ).show();
					$( '.table-prefix' ).html( wpmdb.common.connection_data.prefix );
					$( '.backup-table-prefix' ).html( wpmdb_data.site_details.prefix );
					$( '.uploads-dir' ).html( wpmdb_data.this_uploads_dir );
					if ( false === profile_name_edited ) {
						profile_name = get_domain_name( wpmdb.common.connection_data.url );
						$( '.create-new-profile' ).val( profile_name );
					}
					if ( true === show_prefix_notice ) {
						$( '.prefix-notice.pull' ).show();
					}
					if ( true === show_ssl_notice ) {
						$( '.ssl-notice' ).show();
					}
					if ( true === show_version_notice ) {
						$( '.different-plugin-version-notice' ).show();
						$( '.step-two' ).hide();
					}
					wpmdb_toggle_migration_action_text();
					if ( false === wpmdb_data.write_permission ) {
						$( '#create-backup' ).prop( 'checked', false );
						$( '#create-backup' ).attr( 'disabled', 'disabled' );
						$( '#create-backup-label' ).addClass( 'disabled' );
						$( '.backup-option-disabled' ).show();
						$( '.upload-directory-location' ).html( wpmdb_data.this_upload_dir_long );
					}
				} else {
					$( '.connection-status' ).show();
					$( '.step-two' ).hide();
				}
			} else if ( 'push' === wpmdb_migration_type() ) {
				$( '.push-list li' ).append( $connection_info_box );
				$connection_info_box.show( function() {
					var connection_textarea = $( this ).find( '.pull-push-connection-info' );
					if ( ! connection_textarea.val() ) {
						connection_textarea.focus();
					}
				} );
				if ( ( 'pull' === wpmdb.migration_selection || 'savefile' === wpmdb.migration_selection ) && 2 === connection_info.length ) {
					wpmdb.force_reconnect = true;
					$( '.push-list li' ).append( $connection_info_box );
					$( '.pull-push-connection-info' ).removeClass( 'temp-disabled' ).attr( 'readonly', 'readonly' );
					$( '.connect-button' ).hide();
					connection_box_changed();
					return;
				}
				if ( connection_established ) {
					$( '.connection-status' ).hide();
					$( '.step-two' ).show();
					$( '.table-prefix' ).html( wpmdb_data.this_prefix );
					$( '.backup-table-prefix' ).html( wpmdb.common.connection_data.prefix );
					$( '.uploads-dir' ).html( wpmdb.common.connection_data.uploads_dir );
					if ( false === profile_name_edited ) {
						profile_name = get_domain_name( wpmdb.common.connection_data.url );
						$( '.create-new-profile' ).val( profile_name );
					}
					if ( true === show_prefix_notice ) {
						$( '.prefix-notice.push' ).show();
					}
					if ( true === show_ssl_notice ) {
						$( '.ssl-notice' ).show();
					}
					if ( true === show_version_notice ) {
						$( '.different-plugin-version-notice' ).show();
						$( '.step-two' ).hide();
					}
					wpmdb_toggle_migration_action_text();
					if ( '0' === wpmdb.common.connection_data.write_permissions ) {
						$( '#create-backup' ).prop( 'checked', false );
						$( '#create-backup' ).attr( 'disabled', 'disabled' );
						$( '#create-backup-label' ).addClass( 'disabled' );
						$( '.backup-option-disabled' ).show();
						$( '.upload-directory-location' ).html( wpmdb.common.connection_data.upload_dir_long );
					}
				} else {
					$( '.connection-status' ).show();
					$( '.step-two' ).hide();
				}
			} else if ( 'savefile' === wpmdb_migration_type() || 'find_replace' === wpmdb_migration_type() ) {
				$( '.connection-status' ).hide();
				$( '.step-two' ).show();
				$( '.table-prefix' ).html( wpmdb_data.this_prefix );
				if ( false === profile_name_edited ) {
					$( '.create-new-profile' ).val( '' );
				}

				if ( 'savefile' === wpmdb_migration_type() ) {
					$( '.backup-options' ).hide();
					$( '.compatibility-older-mysql' ).show();
				}

				$( '.keep-active-plugins' ).hide();
				if ( false === wpmdb_data.write_permission ) {
					$( '.directory-permission-notice' ).show();
					$( '.step-two' ).hide();
				}

				if ( 'find_replace' === wpmdb_migration_type()  ) {
					if ( 'true' === wpmdb_data.is_multisite ) {
						var $old_replace_col = $( '.old-replace-col' ).eq( 1 );
						$old_replace_col.parent().removeClass( 'pin' ).find( '.replace-remove-row' ).show();
						$old_replace_col.find( 'input' ).removeAttr( 'readonly' );
					}
				}

			}

			maybe_show_mixed_cased_table_name_warning();
		}

		// move around textarea depending on whether or not the push/pull options are selected
		var $connection_info_box = $( '.connection-info-wrapper' );
		move_connection_info_box();

		$( '.migrate-selection.option-group input[type=radio]' ).change( function() {
			move_connection_info_box();
			wpmdb.migration_selection = wpmdb_migration_type();
			if ( connection_established ) {
				change_replace_values();
			}
			wpmdb.functions.update_migrate_button_text();
		} );

		function change_replace_values() {
			var old_url = null;
			var old_path = null;
			if ( null !== wpmdb.common.previous_connection_data && 'object' === typeof wpmdb.common.previous_connection_data && wpmdb.common.previous_connection_data.url !== wpmdb.common.connection_data.url ) {
				old_url = remove_protocol( wpmdb.common.previous_connection_data.url );
				old_path = wpmdb.common.previous_connection_data.path;
			}

			if ( 'push' === wpmdb_migration_type() || 'savefile' === wpmdb_migration_type() ) {
				if ( 'pull' === last_replace_switch ) {
					$( '.replace-row' ).each( function() {
						var old_val = $( '.old-replace-col input', this ).val();
						$( '.old-replace-col input', this ).val( $( '.replace-right-col input', this ).val() );
						$( '.replace-right-col input', this ).val( old_val );
					} );
				} else if ( 'push' === last_replace_switch && 'push' === wpmdb_migration_type() && null !== old_url && null !== old_path ) {
					$( '.replace-row' ).each( function() {
						var old_val = $( '.replace-right-col input', this ).val();
						if ( old_val === old_path ) {
							$( '.replace-right-col input', this ).val( wpmdb.common.connection_data.path );
						}
						if ( old_val === old_url ) {
							$( '.replace-right-col input', this ).val( remove_protocol( wpmdb.common.connection_data.url ) );
						}
					} );
				}
				$.wpmdb.do_action( 'wpmdb_update_push_table_select' );
				$( '#select-post-types' ).remove();
				$( '.exclude-post-types-warning' ).after( $push_post_type_select );
				exclude_post_types_warning();
				$( '#select-backup' ).remove();
				$( '.backup-tables-wrap' ).prepend( $push_select_backup );
			} else if ( 'pull' === wpmdb_migration_type() ) {
				if ( '' === last_replace_switch || 'push' === last_replace_switch || 'savefile' === last_replace_switch ) {
					$( '.replace-row' ).each( function() {
						var old_val = $( '.old-replace-col input', this ).val();
						$( '.old-replace-col input', this ).val( $( '.replace-right-col input', this ).val() );
						$( '.replace-right-col input', this ).val( old_val );
					} );
				} else if ( 'pull' === last_replace_switch && 'pull' === wpmdb_migration_type() && null !== old_url && null !== old_path ) {
					$( '.replace-row' ).each( function() {
						var old_val = $( '.old-replace-col input', this ).val();
						if ( old_val === old_path ) {
							$( '.old-replace-col input', this ).val( wpmdb.common.connection_data.path );
						}
						if ( old_val === old_url ) {
							$( '.old-replace-col input', this ).val( remove_protocol( wpmdb.common.connection_data.url ) );
						}
					} );
				}
				$.wpmdb.do_action( 'wpmdb_update_pull_table_select' );
				$( '#select-post-types' ).remove();
				$( '.exclude-post-types-warning' ).after( $pull_post_type_select );
				exclude_post_types_warning();
				$( '#select-backup' ).remove();
				$( '.backup-tables-wrap' ).prepend( $pull_select_backup );
			}
			last_replace_switch = wpmdb_migration_type();
		}

		// hide second section if pull or push is selected with no connection established
		if ( ( 'pull' === wpmdb_migration_type() || 'push' === wpmdb_migration_type() ) && ! connection_established ) {
			$( '.step-two' ).hide();
			$( '.connection-status' ).show();
		}

		// show / hide GUID helper description
		$( '.general-helper' ).click( function( e ) {
			e.preventDefault();
			var icon = $( this ),
				bubble = $( this ).next();

			// Close any that are already open
			$( '.helper-message' ).not( bubble ).hide();

			var position = icon.position();
			if ( bubble.hasClass( 'bottom' ) ) {
				var bubble_offset = 1;

				if ( $( this ).is( ':first-child' ) ) {
					bubble_offset = 3;
				}

				bubble.css( {
					'left': ( ( position.left - bubble.width() / 2 ) - bubble_offset ) + 'px',
					'top': ( position.top + icon.height() + 9 ) + 'px'
				} );
			} else {
				bubble.css( {
					'left': ( position.left + icon.width() + 9 ) + 'px',
					'top': ( position.top + icon.height() / 2 - 18 ) + 'px'
				} );
			}
			bubble.toggle();
			e.stopPropagation();
		} );

		$( 'body' ).click( function() {
			$( '.helper-message' ).hide();
		} );

		$( '.helper-message' ).click( function( e ) {
			e.stopPropagation();
		} );

		$( 'body' ).on( 'click', '.show-errors-toggle', function( e ) {
			e.preventDefault();
			$( this ).next( '.migration-php-errors' ).toggle();
		} );

		/**
		 * Core plugin wrapper for the common AJAX error detecting method
		 *
		 * @param text
		 * @param code
		 * @param jqXHR
		 *
		 * @returns {string}
		 */
		function get_ajax_errors( text, code, jqXHR ) {
			return wpmdbGetAjaxErrors( wpmdb_strings.connection_local_server_problem, code, text, jqXHR );
		}

		// migrate / settings tabs
		$( '.nav-tab' ).click( function() {
			var hash = $( this ).attr( 'data-div-name' );
			hash = hash.replace( '-tab', '' );
			window.location.hash = hash;
			switch_to_plugin_tab( hash, false );
		} );

		$( 'body' ).on( 'click', 'a[href^="#"]', function( event ) {
			var href = $( event.target ).attr( 'href' );
			var tab_name = href.substr( 1 );

			if ( tab_name ) {
				var nav_tab = $( '.' + tab_name );
				if ( 1 === nav_tab.length ) {
					nav_tab.trigger( 'click' );
					event.preventDefault();
				}
			}
		} );

		// repeatable fields
		$( 'body' ).on( 'click', '.add-row', function() {
			var $parent_tr = $( this ).parents( 'tr' );
			$parent_tr.before( $( '.original-repeatable-field' ).clone().removeClass( 'original-repeatable-field' ) );
			$parent_tr.prev().find( '.old-replace-col input' ).focus();
		} );

		// repeatable fields
		$( 'body' ).on( 'click', '.replace-remove-row', function() {
			$( this ).parents( 'tr' ).remove();
			if ( 2 >= $( '.replace-row' ).length ) {
				$( '.no-replaces-message' ).show();
			}

			var prev_id = $( this ).prev().attr( 'id' );
			if ( 'new-url' === prev_id || 'new-path' === prev_id ) {
				$( '#' + prev_id + '-missing-warning' ).hide();
			}
		} );

		// Hide New URL & New Path Warnings on change.
		$( 'body' )
			.on( 'change', '#new-url', function() {
				$( '#new-url-missing-warning' ).hide();
			} )
			.on( 'change', '#new-path', function() {
				$( '#new-path-missing-warning' ).hide();
			} );

		// Copy Find field to associated Replace field on arrow click.
		$( 'body' ).on( 'click', '.arrow-col', function() {
			var replace_row_arrow = this;

			if ( $( replace_row_arrow ).hasClass( 'disabled' ) ) {
				return;
			}

			var original_value = $( replace_row_arrow ).prev( 'td' ).find( 'input' ).val();
			var new_value_input = $( replace_row_arrow ).next( 'td' ).find( 'input' );
			new_value_input.val( original_value );

			// Hide New URL or New Path Warning if changed.
			if ( 'new-url' === new_value_input.prop( 'id' ) ) {
				$( '#new-url-missing-warning' ).hide();
			} else if ( 'new-path' === new_value_input.prop( 'id' ) ) {
				$( '#new-path-missing-warning' ).hide();
			}
		} );

		$( '.add-replace' ).click( function() {
			$( '.replace-fields' ).prepend( $( '.original-repeatable-field' ).clone().removeClass( 'original-repeatable-field' ) );
			$( '.no-replaces-message' ).hide();
		} );

		$( '#find-and-replace-sort tbody' ).sortable( {
			items: '> tr:not(.pin)',
			handle: 'td:first',
			start: function() {
				$( '.sort-handle' ).css( 'cursor', '-webkit-grabbing' );
				$( '.sort-handle' ).css( 'cursor', '-moz-grabbing' );
			},
			stop: function() {
				$( '.sort-handle' ).css( 'cursor', '-webkit-grab' );
				$( '.sort-handle' ).css( 'cursor', '-moz-grab' );
			}
		} );

		function validate_url( url ) {
			return /^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test( url );
		}

		function switch_to_plugin_tab( hash, skip_addons_check ) {
			$( '.nav-tab' ).removeClass( 'nav-tab-active' );
			$( '.nav-tab.' + hash ).addClass( 'nav-tab-active' );
			$( '.content-tab' ).hide();
			$( '.' + hash + '-tab' ).show();

			if ( 'settings' === hash ) {
				if ( true === should_check_licence() ) {
					$( 'p.licence-status' ).append( 'Checking License... ' ).append( ajax_spinner );
					check_licence();
				}
			}

			if ( 'help' === hash ) {
				refresh_debug_log();
				if ( true === should_check_licence() ) {
					$( '.support-content p' ).append( ajax_spinner );
					check_licence();
				}
			}

			if ( 'addons' === hash && true !== skip_addons_check ) {
				if ( true === should_check_licence() ) {
					$( '.addons-content p' ).append( ajax_spinner );
					check_licence();
				}
			}
		}

		function should_check_licence() {
			if ( false === checked_licence && '1' === wpmdb_data.has_licence && 'true' === wpmdb_data.is_pro ) {
				return true;
			}
			return false;
		}

		var hash = '';

		// check for hash in url (settings || migrate) switch tabs accordingly
		if ( window.location.hash ) {
			hash = window.location.hash.substring( 1 );
			switch_to_plugin_tab( hash, false );
		}

		if ( '' !== get_query_var( 'install-plugin' ) ) {
			hash = 'addons';
			checked_licence = true;
			switch_to_plugin_tab( hash, true );
		}

		// process notice links clicks, eg. dismiss, reminder
		$( '.notice-link' ).click( function( e ) {
			e.preventDefault();
			$( this ).closest( '.inline-message' ).hide();
			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_process_notice_link',
					nonce: wpmdb_data.nonces.process_notice_link,
					notice: $( this ).data( 'notice' ),
					type: $( this ).data( 'type' ),
					reminder: $( this ).data( 'reminder' )
				}
			} );
		} );

		// When read-only connection info is copied, convert it to one line
		$( '#connection_info' ).on( 'copy', function( e ) {
			var $this = $( this );

			// Test for two lines
			var lines = $this.val().split( '\n' );
			if ( 2 === lines.length ) {

				// Wrapping in a try in case there's no browser support
				try {

					// Combine the two lines into one
					e.originalEvent.clipboardData.setData( 'text/plain', lines.join( ' ' ) );
					e.preventDefault(); // Default behaviour is to copy any selected text
				}
				catch ( err ) {

					// Do nothing. Allow normal copying
				}
			}
		});

		// regenerates the saved secret key
		$( '.reset-api-key' ).click( function() {
			var answer = confirm( wpmdb_strings.reset_api_key );

			if ( ! answer || doing_reset_api_key_ajax ) {
				return;
			}

			doing_reset_api_key_ajax = true;
			$( '.reset-api-key' ).after( '<img src="' + spinner_url + '" alt="" class="reset-api-key-ajax-spinner general-spinner" />' );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_reset_api_key',
					nonce: wpmdb_data.nonces.reset_api_key
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.reset_api_key_problem );
					$( '.reset-api-key-ajax-spinner' ).remove();
					doing_reset_api_key_ajax = false;
				},
				success: function( data ) {
					$( '.reset-api-key-ajax-spinner' ).remove();
					doing_reset_api_key_ajax = false;
					$( '.connection-info' ).html( data );
					wpmdb_data.connection_info = $.trim( data ).split( '\n' );
				}
			} );

		} );

		// Copy the connection info to the clipboard
		$( '.copy-api-key' ).click( function() {

			var $el = $( this );

			// Get connection_info input
			var $connection_info = $( '#connection_info' );

			// Get the connection info
			var two_lines = $connection_info.val();

			// Make it one line, if it's two
			var one_line = two_lines.replace( '\n', ' ' );

			// Replace two lines with one
			$connection_info.val( one_line );

			// Select the input val
			$connection_info.select();

			try {

				// Copy connection_info
				document.execCommand( 'copy' );

				// Unselect connection_info input
				$connection_info.blur();

				// show confirmation
				$el.css( 'color', 'transparent' );
				var $confirmation = $( '.copy-api-key-confirmation' ).show();

				// fadeout confirmation
				setTimeout( function() {
					$confirmation.fadeOut( 'fast' );
					setTimeout( function() {
						$el.css( 'color', '' );
					}, 200 );

				}, 1000 );
			}
			catch ( err ) {
				alert( 'please press Ctrl/Cmd+C to copy' );
			}

			// Replace the input val with the two lines
			$connection_info.val( two_lines );
		} );

		// show / hide table select box when specific settings change
		$( 'input.multiselect-toggle' ).change( function() {
			$( this ).parents( '.expandable-content' ).children( '.select-wrap' ).toggle();
		} );

		$( '.show-multiselect' ).each( function() {
			if ( $( this ).is( ':checked' ) ) {
				$( this ).parents( '.option-section' ).children( '.header-expand-collapse' ).children( '.expand-collapse-arrow' ).removeClass( 'collapsed' );
				$( this ).parents( '.expandable-content' ).show();
				$( this ).parents( '.expandable-content' ).children( '.select-wrap' ).toggle();
			}
		} );

		$( 'input[name=backup_option]' ).change( function() {
			$( '.backup-tables-wrap' ).hide();
			if ( 'backup_manual_select' === $( this ).val() ) {
				$( '.backup-tables-wrap' ).show();
			}
		} );

		if ( $( '#backup-manual-select' ).is( ':checked' ) ) {
			$( '.backup-tables-wrap' ).show();
		}

		$( '.plugin-compatibility-save' ).click( function() {
			if ( doing_plugin_compatibility_ajax ) {
				return;
			}
			$( this ).addClass( 'disabled' );
			var select_element = $( '#selected-plugins' );
			$( select_element ).attr( 'disabled', 'disabled' );

			$( '.plugin-compatibility-success-msg' ).remove();

			doing_plugin_compatibility_ajax = true;
			$( this ).after( '<img src="' + spinner_url + '" alt="" class="plugin-compatibility-spinner general-spinner" />' );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_blacklist_plugins',
					blacklist_plugins: $( select_element ).val(),
					nonce: wpmdb_data.nonces.blacklist_plugins
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.blacklist_problem + '\r\n\r\n' + wpmdb_strings.status + ' ' + jqXHR.status + ' ' + jqXHR.statusText + '\r\n\r\n' + wpmdb_strings.response + '\r\n' + jqXHR.responseText );
					$( select_element ).removeAttr( 'disabled' );
					$( '.plugin-compatibility-save' ).removeClass( 'disabled' );
					doing_plugin_compatibility_ajax = false;
					$( '.plugin-compatibility-spinner' ).remove();
				},
				success: function( data ) {
					if ( '' !== $.trim( data ) ) {
						alert( data );
					}
					$( select_element ).removeAttr( 'disabled' );
					$( '.plugin-compatibility-save' ).removeClass( 'disabled' );
					doing_plugin_compatibility_ajax = false;
					$( '.plugin-compatibility-spinner' ).remove();
					$( '.plugin-compatibility-save' ).after( '<span class="plugin-compatibility-success-msg">' + wpmdb_strings.saved + '</span>' );
					$( '.plugin-compatibility-success-msg' ).fadeOut( 2000 );
				}
			} );
		} );

		// delete a profile from the migrate form area
		$( 'body' ).on( 'click', '.delete-profile', function() {
			var name = $( this ).next().clone();
			$( 'input', name ).remove();
			name = $.trim( $( name ).html() );
			var answer = confirm( wpmdb_strings.remove_profile.replace( '{{profile}}', name ) );

			if ( ! answer ) {
				return;
			}
			var $profile_li = $( this ).parent();

			if ( $profile_li.find( 'input:checked' ).length ) {
				var $new_profile_li = $profile_li.siblings().last();
				$new_profile_li.find( 'input[type=radio]' ).prop( 'checked', 'checked' );
				$new_profile_li.find( 'input[type=text]' ).focus();
				$( '#migrate-form .crumbs .crumb:last' ).text( 'New Profile' );

				if ( 'function' === typeof window.history.pushState ) {
					var updated_url = window.location.href.replace( '#migrate', '' ).replace( /&wpmdb-profile=-?\d+/, '' ) + '&wpmdb-profile=-1';
					window.history.pushState( { updated_profile_id: -1 }, null, updated_url );
				}
			}

			$profile_li.fadeOut( 500 );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_delete_migration_profile',
					profile_id: $( this ).attr( 'data-profile-id' ),
					nonce: wpmdb_data.nonces.delete_migration_profile
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.remove_profile_problem );
				},
				success: function( data ) {
					if ( '-1' === data ) {
						alert( wpmdb_strings.remove_profile_not_found );
					}
				}
			} );

		} );

		// deletes a profile from the main profile selection screen
		$( '.main-list-delete-profile-link' ).click( function() {
			var name = $( this ).prev().html();
			var answer = confirm( wpmdb_strings.remove_profile.replace( '{{profile}}', name ) );

			if ( ! answer ) {
				return;
			}

			$( this ).parent().fadeOut( 500 );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_delete_migration_profile',
					profile_id: $( this ).attr( 'data-profile-id' ),
					nonce: wpmdb_data.nonces.delete_migration_profile
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.remove_profile_problem );
				}
			} );

		} );

		// warn the user when editing the connection info after a connection has been established
		$( 'body' ).on( 'click', '.temp-disabled', function() {
			var answer = confirm( wpmdb_strings.change_connection_info );

			if ( ! answer ) {
				return;
			} else {
				$( '.ssl-notice' ).hide();
				$( '.different-plugin-version-notice' ).hide();
				$( '.migrate-db-button' ).show();
				$( '.temp-disabled' ).removeAttr( 'readonly' );
				$( '.temp-disabled' ).removeClass( 'temp-disabled' );
				$( '.connect-button' ).show();
				$( '.step-two' ).hide();
				$( '.connection-status' ).show().html( wpmdb_strings.enter_connection_info );
				connection_established = false;
			}
		} );

		// ajax request for settings page when checking/unchecking setting radio buttons
		$( '.settings-tab input[type=checkbox]' ).change( function() {
			if ( 'plugin-compatibility' === $( this ).attr( 'id' ) ) {
				return;
			}
			var checked = $( this ).is( ':checked' );
			var setting = $( this ).attr( 'id' );
			var $status = $( this ).closest( 'td' ).next( 'td' ).find( '.setting-status' );

			$( '.ajax-success-msg' ).remove();
			$status.after( ajax_spinner );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'text',
				cache: false,
				data: {
					action: 'wpmdb_save_setting',
					checked: checked,
					setting: setting,
					nonce: wpmdb_data.nonces.save_setting
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					alert( wpmdb_strings.save_settings_problem );
					$( '.ajax-spinner' ).remove();
				},
				success: function( data ) {
					$( '.ajax-spinner' ).remove();
					$status.append( '<span class="ajax-success-msg">' + wpmdb_strings.saved + '</span>' );
					$( '.ajax-success-msg' ).fadeOut( 2000, function() {
						$( this ).remove();
					} );
				}
			} );

		} );

		// disable form submissions
		$( '.migrate-form' ).submit( function( e ) {
			e.preventDefault();
		} );

		// fire connection_box_changed when the connect button is pressed
		$( '.connect-button' ).click( function( event ) {
			event.preventDefault();
			$( this ).blur();
			connection_box_changed();
		} );

		// send paste even to connection_box_changed() function
		$( '.pull-push-connection-info' ).bind( 'paste', function( e ) {
			var $this = this;
			setTimeout( function() {
				connection_box_changed();
			}, 0 );

		} );

		$( 'body' ).on( 'click', '.try-again', function() {
			$( '.pull-push-connection-info' ).removeClass( 'temp-disabled' );
			connection_box_changed();
		} );

		$( 'body' ).on( 'click', '.try-http', function() {
			var connection_info = $.trim( $( '.pull-push-connection-info' ).val() ).split( '\n' );
			var new_url = connection_info[ 0 ].replace( 'https', 'http' );
			var new_contents = new_url + '\n' + connection_info[ 1 ];
			$( '.pull-push-connection-info' ).val( new_contents );
			connection_box_changed();
		} );

		$( '.create-new-profile' ).change( function() {
			profile_name_edited = true;
		} );

		$( 'body' ).on( 'click', '.temporarily-disable-ssl', function() {
			var hash = '';
			if ( window.location.hash ) {
				hash = window.location.hash.substring( 1 );
			}
			$( this ).attr( 'href', $( this ).attr( 'href' ) + '&hash=' + hash );
		} );

		// fired when the connection info box changes (e.g. gets pasted into)
		function connection_box_changed() {
			var $this = $( '.pull-push-connection-info' );

			if ( ( doing_ajax || $( $this ).hasClass( 'temp-disabled' ) ) && false === wpmdb.force_reconnect ) {
				return;
			}
			wpmdb.force_reconnect = false;
			var data = $( '.pull-push-connection-info' ).val();

			var connection_info = $.trim( data ).split( '\n' );
			var error = false;
			var error_message = '';

			if ( '' === connection_info ) {
				error = true;
				error_message = wpmdb_strings.connection_info_missing;
			}

			// attempt to format the connection info from a single line
			if ( 1 === connection_info.length && ! error ) {
				var connection_words = $.trim( data ).split( ' ' );
				if ( 2 === connection_words.length )
				{
					connection_info = connection_words;
				}
			}

			if ( 2 !== connection_info.length && ! error ) {
				error = true;
				error_message = wpmdb_strings.connection_info_incorrect;
			}

			if ( ! error && ! validate_url( connection_info[ 0 ] ) ) {
				error = true;
				error_message = wpmdb_strings.connection_info_url_invalid;
			}

			var key_length = 0;

			if ( 'undefined' !== typeof connection_info[ 1 ] ) {
				key_length = connection_info[ 1 ].length;
			}

			if ( ! error && 32 !== key_length && 40 !== key_length ) {
				error = true;
				error_message = wpmdb_strings.connection_info_key_invalid;
			}

			if ( ! error && connection_info[ 0 ] === wpmdb_data.connection_info[ 0 ] ) {
				error = true;
				error_message = wpmdb_strings.connection_info_local_url;
			}

			if ( ! error && connection_info[ 1 ] === wpmdb_data.connection_info[ 1 ] ) {
				error = true;
				error_message = wpmdb_strings.connection_info_local_key;
			}
			if ( error ) {
				$( '.connection-status' ).html( error_message );
				$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );
				return;
			}

			var new_connection_info_contents = connection_info[ 0 ] + '\n' + connection_info[ 1 ];

			// If connection info is a single line
			if ( 1 === $.trim( data ).split( '\n' ).length ) {

				// Repopulate the input with the info on two lines
				$( '.pull-push-connection-info' ).val( new_connection_info_contents );
			}

			if ( false === wpmdb_data.openssl_available ) {
				connection_info[ 0 ] = connection_info[ 0 ].replace( 'https://', 'http://' );
				new_connection_info_contents = connection_info[ 0 ] + '\n' + connection_info[ 1 ];
				$( '.pull-push-connection-info' ).val( new_connection_info_contents );
			}

			show_prefix_notice = false;
			doing_ajax = true;
			disable_export_type_controls();

			if ( $( '.basic-access-auth-wrapper' ).is( ':visible' ) ) {
				connection_info[ 0 ] = connection_info[ 0 ].replace( /\/\/(.*)@/, '//' );
				connection_info[ 0 ] = connection_info[ 0 ].replace( '//', '//' + encodeURIComponent( $.trim( $( '.auth-username' ).val() ) ) + ':' + encodeURIComponent( $.trim( $( '.auth-password' ).val() ) ) + '@' );
				new_connection_info_contents = connection_info[ 0 ] + '\n' + connection_info[ 1 ];
				$( '.pull-push-connection-info' ).val( new_connection_info_contents );
				$( '.basic-access-auth-wrapper' ).hide();
			}

			$( '.step-two' ).hide();
			$( '.ssl-notice' ).hide();
			$( '.prefix-notice' ).hide();
			$( '.connection-status' ).show();

			$( '.connection-status' ).html( wpmdb_strings.establishing_remote_connection );
			$( '.connection-status' ).removeClass( 'notification-message error-notice migration-error' );
			$( '.connection-status' ).append( ajax_spinner );

			var intent = wpmdb_migration_type();

			profile_name_edited = false;

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				cache: false,
				data: {
					action: 'wpmdb_verify_connection_to_remote_site',
					url: connection_info[ 0 ],
					key: connection_info[ 1 ],
					intent: intent,
					nonce: wpmdb_data.nonces.verify_connection_to_remote_site
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					$( '.connection-status' ).html( get_ajax_errors( jqXHR.responseText, '(#100)', jqXHR ) );
					$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
					enable_export_type_controls();
				},
				success: function( data ) {
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
					enable_export_type_controls();

					if ( 'undefined' !== typeof data.wpmdb_error && 1 === data.wpmdb_error ) {
						$( '.connection-status' ).html( data.body );
						$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );

						if ( data.body.indexOf( '401 Unauthorized' ) > -1 ) {
							$( '.basic-access-auth-wrapper' ).show();
						}

						if ( ! $( '.pull-push-connection-info' ).hasClass( 'temp-disabled' ) && ! $( '.connect-button' ).is( ':visible' ) ) {
							$( '.pull-push-connection-info' ).removeAttr( 'readonly' );
							$( '.connect-button' ).show();
						}

						return;
					}

					maybe_show_ssl_warning( connection_info[ 0 ], connection_info[ 1 ], data.scheme );

					var profile_name = get_domain_name( data.url );
					$( '.create-new-profile' ).val( profile_name );

					$( '.pull-push-connection-info' ).addClass( 'temp-disabled' );
					$( '.pull-push-connection-info' ).attr( 'readonly', 'readonly' );
					$( '.connect-button' ).hide();

					$( '.connection-status' ).hide();
					$( '.step-two' ).show();

					maybe_show_prefix_notice( data.prefix );

					connection_established = true;
					set_connection_data( data );
					move_connection_info_box();
					change_replace_values();

					maybe_show_mixed_cased_table_name_warning();

					refresh_table_selects();

					$push_select_backup = $( $pull_select ).clone();
					$( $push_select_backup ).attr( {
						name: 'select_backup[]',
						id: 'select-backup'
					} );

					var $post_type_select = document.createElement( 'select' );
					$( $post_type_select ).attr( {
						multiple: 'multiple',
						name: 'select_post_types[]',
						id: 'select-post-types',
						class: 'multiselect'
					} );

					$.each( wpmdb.common.connection_data.post_types, function( index, value ) {
						$( $post_type_select ).append( '<option value="' + value + '">' + value + '</option>' );
					} );

					$pull_post_type_select = $post_type_select;

					$( '#new-path-missing-warning, #new-url-missing-warning' ).hide();

					if ( 'pull' === wpmdb_migration_type() ) {
						$( '#new-url' ).val( remove_protocol( wpmdb_data.this_url ) );
						$( '#new-path' ).val( wpmdb_data.this_path );
						if ( 'true' === wpmdb_data.is_multisite ) {
							$( '#new-domain' ).val( wpmdb_data.this_domain );
							$( '.replace-row.pin .old-replace-col input[type="text"]' ).val( remove_protocol( data.url ) );
						}
						$( '#old-url' ).val( remove_protocol( data.url ) );
						$( '#old-path' ).val( data.path );

						$.wpmdb.do_action( 'wpmdb_update_pull_table_select' );
						$( '#select-post-types' ).remove();
						$( '.exclude-post-types-warning' ).after( $pull_post_type_select );
						exclude_post_types_warning();
						$( '.table-prefix' ).html( data.prefix );
						$( '.backup-table-prefix' ).html( wpmdb_data.site_details.prefix );
						$( '.uploads-dir' ).html( wpmdb_data.this_uploads_dir );
					} else {
						$( '#new-url' ).val( remove_protocol( data.url ) );
						$( '#new-path' ).val( data.path );

						if ( 'true' === wpmdb_data.is_multisite ) {
							$( '.replace-row.pin .old-replace-col input[type="text"]' ).val( remove_protocol( wpmdb_data.this_url ) );
						}
						$.wpmdb.do_action( 'wpmdb_update_push_table_select' );
						$( '#select-backup' ).remove();
						$( '.backup-tables-wrap' ).prepend( $push_select_backup );
					}

					wpmdb.common.next_step_in_migration = {
						fn: $.wpmdb.do_action,
						args: [ 'verify_connection_to_remote_site', wpmdb.common.connection_data ]
					};
					wpmdb.functions.execute_next_step();
				}

			} );

		}

		// Sets the initial Pause/Resume button event to Pause
		$( 'body' ).on( 'click', '.pause-resume', function( event ) {
			set_pause_resume_button( event );
		} );

		function cancel_migration( event ) {
			migration_cancelled = true;
			cancelling_text = wpmdb_strings.cancelling_migration;
			$( '.migration-controls' ).css( { visibility: 'hidden' } );

			if ( 'find_replace' === migration_intent ) {
				cancelling_text = wpmdb_strings.cancelling_find_replace;
			}

			wpmdb.current_migration.setState( cancelling_text, wpmdb_strings.completing_current_request, 'cancelling' );

			if ( true === migration_paused ) {
				migration_paused = false;
				wpmdb.functions.execute_next_step();
			}
		}

		$( 'body' ).on( 'click', '.cancel', function( event ) {
			cancel_migration( event );
		} );

		$( '.enter-licence' ).click( function() {
			$( '.settings' ).click();
			$( '.licence-input' ).focus();
		} );

		wpmdb.functions.execute_next_step = function() {

			// if delay is set, set a timeout for delay to recall this function, then return
			if ( 0 < delay_between_requests && false === flag_skip_delay ) {
				setTimeout( function() {
					flag_skip_delay = true;
					wpmdb.functions.execute_next_step();
				}, delay_between_requests );
				return;
			} else {
				flag_skip_delay = false;
			}

			if ( true === migration_paused ) {
				$( '.migration-progress-ajax-spinner' ).hide();

				// Pause the timer
				wpmdb.current_migration.pauseTimer();

				var pause_text = '';
				if ( true === is_auto_pause_before_finalize ) {
					pause_text = wpmdb_strings.paused_before_finalize;
					is_auto_pause_before_finalize = false;

					if ( 'find_replace' === wpmdb_migration_type() ) {
						pause_text = wpmdb_strings.find_replace_paused_before_finalize;
					}
				} else {
					pause_text = wpmdb_strings.paused;
				}

				wpmdb.current_migration.setState( null, pause_text, 'paused' );

				// Re-bind Pause/Resume button to Resume when we are finally Paused
				$( 'body' ).on( 'click', '.pause-resume', function( event ) {
					set_pause_resume_button( event );
				} );
				$( 'body' ).on( 'click', '.cancel', function( event ) {
					cancel_migration( event );
				} );
				$( '.pause-resume' ).html( wpmdb_strings.resume );
				return;
			} else if ( true === migration_cancelled ) {
				migration_intent = wpmdb_migration_type();

				var progress_msg;

				if ( 'savefile' === migration_intent ) {
					progress_msg = wpmdb_strings.removing_local_sql;
				} else if ( 'pull' === migration_intent ) {
					if ( 'backup' === stage ) {
						progress_msg = wpmdb_strings.removing_local_backup;
					} else {
						progress_msg = wpmdb_strings.removing_local_temp_tables;
					}
				} else if ( 'push' === migration_intent ) {
					if ( 'backup' === stage ) {
						progress_msg = wpmdb_strings.removing_remote_sql;
					} else {
						progress_msg = wpmdb_strings.removing_remote_temp_tables;
					}
				}
				wpmdb.current_migration.setText( progress_msg );

				var request_data = {
					action: 'wpmdb_cancel_migration',
					migration_state_id: wpmdb.migration_state_id,
					nonce: wpmdb_data.nonces.cancel_migration
				};

				doing_ajax = true;

				$.ajax( {
					url: ajaxurl,
					type: 'POST',
					dataType: 'text',
					cache: false,
					data: request_data,
					error: function( jqXHR, textStatus, errorThrown ) {
						wpmdb.current_migration.setState( wpmdb_strings.migration_cancellation_failed, wpmdb_strings.manually_remove_temp_files + '<br /><br />' + wpmdb_strings.status + ': ' + jqXHR.status + ' ' + jqXHR.statusText + '<br /><br />' + wpmdb_strings.response + ':<br />' + jqXHR.responseText, 'error' );
						console.log( jqXHR );
						console.log( textStatus );
						console.log( errorThrown );
						doing_ajax = false;
						wpmdb.common.migration_error = true;
						wpmdb.functions.migration_complete_events();
						return;
					},
					success: function( data ) {
						doing_ajax = false;
						data = $.trim( data );
						if ( ( 'push' === migration_intent && '1' !== data ) || ( 'push' !== migration_intent && '' !== data ) ) {
							wpmdb.current_migration.setState( wpmdb_strings.migration_cancellation_failed, data, 'error' );
							wpmdb.common.migration_error = true;
							wpmdb.functions.migration_complete_events();
							return;
						}

						completed_msg = wpmdb_strings.migration_cancelled;

						if ( 'find_replace' === migration_intent ) {
							completed_msg = wpmdb_strings.find_replace_cancelled;
						}

						wpmdb.functions.migration_complete_events();
						wpmdb.current_migration.setStatus( 'cancelled' );
					}
				} );
			} else {
				wpmdb.common.next_step_in_migration.fn.apply( null, wpmdb.common.next_step_in_migration.args );
			}
		};

		$( 'body' ).on( 'click', '.copy-licence-to-remote-site', function() {
			$( '.connection-status' ).html( wpmdb_strings.copying_license );
			$( '.connection-status' ).removeClass( 'notification-message error-notice migration-error' );
			$( '.connection-status' ).append( ajax_spinner );

			var connection_info = $.trim( $( '.pull-push-connection-info' ).val() ).split( '\n' );

			doing_ajax = true;
			disable_export_type_controls();

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				cache: false,
				data: {
					action: 'wpmdb_copy_licence_to_remote_site',
					url: connection_info[ 0 ],
					key: connection_info[ 1 ],
					nonce: wpmdb_data.nonces.copy_licence_to_remote_site
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					$( '.connection-status' ).html( get_ajax_errors( jqXHR.responseText, '(#143)', jqXHR ) );
					$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
					enable_export_type_controls();
				},
				success: function( data ) {
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
					enable_export_type_controls();

					if ( 'undefined' !== typeof data.wpmdb_error && 1 === data.wpmdb_error ) {
						$( '.connection-status' ).html( data.body );
						$( '.connection-status' ).addClass( 'notification-message error-notice migration-error' );

						if ( data.body.indexOf( '401 Unauthorized' ) > -1 ) {
							$( '.basic-access-auth-wrapper' ).show();
						}

						return;
					}
					connection_box_changed();
				}
			} );
		} );

		$( 'body' ).on( 'click', '.reactivate-licence', function( e ) {
			doing_ajax = true;

			$( '.invalid-licence' ).empty().html( wpmdb_strings.attempting_to_activate_licence );
			$( '.invalid-licence' ).append( ajax_spinner );

			$.ajax( {
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				cache: false,
				data: {
					action: 'wpmdb_reactivate_licence',
					nonce: wpmdb_data.nonces.reactivate_licence
				},
				error: function( jqXHR, textStatus, errorThrown ) {
					$( '.invalid-licence' ).html( wpmdb_strings.activate_licence_problem );
					$( '.invalid-licence' ).append( '<br /><br />' + wpmdb_strings.status + ': ' + jqXHR.status + ' ' + jqXHR.statusText + '<br /><br />' + wpmdb_strings.response + '<br />' + jqXHR.responseText );
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;
				},
				success: function( data ) {
					$( '.ajax-spinner' ).remove();
					doing_ajax = false;

					if ( 'undefined' !== typeof data.wpmdb_error && 1 === data.wpmdb_error ) {
						$( '.invalid-licence' ).html( data.body );
						return;
					}

					if ( 'undefined' !== typeof data.wpmdb_dbrains_api_down && 1 === data.wpmdb_dbrains_api_down ) {
						$( '.invalid-licence' ).html( wpmdb_strings.temporarily_activated_licence );
						$( '.invalid-licence' ).append( data.body );
						return;
					}

					$( '.invalid-licence' ).empty().html( wpmdb_strings.licence_reactivated );
					location.reload();
				}
			} );

		} );

		$( 'input[name=table_migrate_option]' ).change( function() {
			maybe_show_mixed_cased_table_name_warning();
			$.wpmdb.do_action( 'wpmdb_tables_to_migrate_changed' );
		} );

		$( 'body' ).on( 'change', '#select-tables', function() {
			maybe_show_mixed_cased_table_name_warning();
			$.wpmdb.do_action( 'wpmdb_tables_to_migrate_changed' );
		} );

		$.wpmdb.add_filter( 'wpmdb_get_table_prefix', get_table_prefix );
		$.wpmdb.add_filter( 'wpmdb_get_tables_to_migrate', get_tables_to_migrate );
		$.wpmdb.add_action( 'wpmdb_lock_replace_url', lock_replace_url );
		$.wpmdb.add_action( 'move_connection_info_box', exclude_post_types_warning );

		$.wpmdb.add_filter( 'wpmdb_before_migration_complete_hooks', function( hooks ) {
			pause_before_finalize = $( 'input[name=pause_before_finalize]:checked' ).length ? true : false;
			if ( true === pause_before_finalize && 'savefile' !== migration_intent ) {
				set_pause_resume_button( null ); // don't just set migration_paused to true, since `set_pause_resume_button` will get double bound to clicking resume
				is_auto_pause_before_finalize = true;
			}
			return hooks;
		} );

		/**
		 * Set checkbox
		 *
		 * @param string checkbox_wrap
		 */
		function set_checkbox( checkbox_wrap ) {
			var $switch = $( '#' + checkbox_wrap );
			var $checkbox = $switch.find( 'input[type=checkbox]' );

			$switch.toggleClass( 'on' ).find( 'span' ).toggleClass( 'checked' );
			var switch_on = $switch.find( 'span.on' ).hasClass( 'checked' );
			$checkbox.attr( 'checked', switch_on ).trigger( 'change' );
		}

		$( '.wpmdb-switch' ).on( 'click', function( e ) {
			if ( ! $( this ).hasClass( 'disabled' ) ) {
				set_checkbox( $( this ).attr( 'id' ) );
			}
		} );

	} );

})( jQuery, wpmdb );

},{"MigrationProgress-controller":1}]},{},[1,2,3,4,5,6,7]);