<?php

class App_SchoolResource_AdminView extends App_SchoolResource_AbstractView
{
    protected $_reorderTitleColumn = 'title';
    protected $_hasFilter = true;
    protected $_filterFields = array('Subject', 'Summary');
    protected $_listOptions = array('defaultOrderBy' => 'title');
    protected $_formDefaults = array('enabled' => 'y');
    protected $_categorySectionUrl;

    protected $_actions = array('list', 'cancel', 'new', 'insert', 'edit', 'update', 'delete', 'changeOption',
                                /*'reorder', 'updateOrder',*/ 'back', 'download');

    protected $_allowedExtensions = array('.pdf', '.txt', '.doc', '.docx', '.xls', '.xlsx', '.ppt', '.pptx',
    									  '.odt', '.ods', '.odp', '.png', '.jpg', '.jpeg');


    protected function _initAction()
    {
        parent::_initAction();
        
        if (in_array($this->_action, array('reorder', 'updateOrder'))) {
        	$categoryId = Qs_Request::getGetValue('categoryId');
            if (is_numeric($categoryId)) {
                $this->dataObj->addFilter(array('categoryId' => $categoryId));
            }
        }

        return $this;
    }

    protected function _bindListColumns(Qs_ViewController_List $list)
    {
        $list->addColumn('no', 'no');
        $list->addColumn('text', 'category', array('orderBy' => 'category'));
        $list->addColumn('text', 'title', array('title' => 'Subject', 'orderBy' => 'title'));
        $list->addColumn('description', 'description', array('title' => 'Summary'));
        $list->addColumn('file', 'file', array('title' => 'Document', 'params' => array('name' => 'file')));
        $list->addColumn(
            'link_enum',
            'enabled',
            array(
                'title'   => 'Show',
                'orderBy' => 'enabled',
                'values'  => array('n' => 'No', 'y' => 'Yes'),
            )
        );
        $list->addColumn('options', 'options');

        return $this;
    }

    protected function _bindFormFields(Qs_Form $form)
    {
        $form->addElement(
            'select',
            'categoryId',
            array(
                'label'        => 'Category',
                'multiOptions' => array('' => 'Select Category') + (array) $this->dataObj->getCategories4Select(),
                'required'     => true,
            )
        );

        $form->addElement('text', 'title', array('label' => 'Subject', 'required' => true));

        $form->addElement('htmlEditor', 'description', array('label' => 'Summary'));

        $form->addElement(
            'extendedFile',
            'file',
            array(
                'label'       => 'File',
                'required'    => true,
                'description' => 'Please note there is a file limit of 10MB '
                               . 'and allowed formats are: ' . implode(', ', $this->_allowedExtensions)
            )
        );
        $extensions = array();
        foreach ($this->_allowedExtensions as $ext) {
            $extensions[] = trim($ext, '.');
        }
        $extensionValidator = new Zend_Validate_File_Extension($extensions);
        $extensionValidator->setMessage("File format is not allowed.", Zend_Validate_File_Extension::FALSE_EXTENSION);
        $form->getElement('file')->addValidator($extensionValidator);

        $sizeValidator = new Zend_Validate_File_Size(array('max' => '10MB'));
        $sizeValidator->setMessage(
            "Maximum allowed file size is '%max%' but '%size%' detected",
            Zend_Validate_File_Size::TOO_BIG
        );
        $form->getElement('file')->addValidator($sizeValidator);

        $form->addElement(
            'checkbox',
            'enabled',
            array(
                'description'    => 'Show on user end',
                'checkedValue'   => 'y',
                'uncheckedValue' => 'n',
                'checked'        => 'y',
            )
        );
        $form->getElement('enabled')->getDecorator('Description')
        								->setTag('label')
        								->setOption('for', $form->enabled->getId());

        return $this;
    }

    protected function _bindFilterFields($form)
    {
        parent::_bindFilterFields($form);

        $categories = $this->dataObj->getCategories4Select();
        if (count($categories) > 1) {
            $form->addElement(
                'select',
                'categoryId',
                array(
                    'multiOptions' => array('' => 'All Categories') + $categories,
                    'onchange'     => 'this.form.submit()',
                )
            );
        }

        return $this;
    }

    protected function _doNew()
    {
        $form = $this->_getNewForm();
        $defaults = array();
        $defaults['categoryId'] = Qs_Request::getGetValue('categoryId');
        $form->setDefaults($defaults);
        $this->_renderMainForm($form);

        return $this;
    }

    protected function _getCategorySectionUrl()
    {
        if (null === $this->_categorySectionUrl) {
            $this->_categorySectionFullAlias = Qs_SiteMap::findFirst(
                null,
                array('type' => 'SchoolResource_Category_Admin'),
                null,
                'url'
            );
        }

        return $this->_categorySectionFullAlias;
    }

    protected function _getDefaultLinks()
    {
    	$categoryId = $this->dataObj->getFilter('categoryId');

    	$links = array();

    	$params = array();
    	if (is_numeric($categoryId)) {
            $params['categoryId'] = $categoryId;
        }

		$params['action'] = 'new';        
        $links[] = array('title' => 'Add New ' . $this->dataObj->itemName, 'url' => $this->url($params));

        $params['action'] = 'reorder';
        $links['reorder'] = array('title' => 'Reorder  ' . $this->dataObj->itemsName, 'url' => $this->url($params));
        if (!is_numeric($categoryId) && $this->dataObj->getCategoriesCount() > 1) {
            $links['reorder']['attribs'] = array(
                'class'   => 'warning',
                'onclick' => "alert('Please select one of the categories in the \"Search\" drop down above "
                           . "to reorder its items.'); return false"
            );
            $links['reorder']['url'] = '#';
        }

        $url = $this->_getCategorySectionUrl();
        if (false !== $url) {
            $links[] = array('title' => 'Manage Categories', 'url' => $url);
        }

        return $links;
    }
}