<?php

namespace App\Blog\Admin\Form;

use App\Form\FormMetaTrait;

abstract class AbstractForm extends \Qs_Form
{
    use FormMetaTrait;

    protected $_dataObj = null;

    /**
     * Return data object
     *
     * @return \App\Blog\Admin\Obj
     */
    protected function _getDataObj()
    {
        if (null === $this->_dataObj) {
            $this->_dataObj = new \App\Blog\Admin\Obj();
        }
        return $this->_dataObj;
    }

    protected function _initElements()
    {
        $this->addElement('date', 'date', array('label' => 'Post Date', 'required' => true, 'value' => date('Y-m-d')));
        $categories = (array) $this->_getDataObj()->getPostCategory4Select(array('id', 'title'), null, 'sorter');
        $this->addElement(
            'select',
            'categoryId',
            array(
                'label'        => 'Category',
                'multiOptions' => array('' => '- Select Category -') + $categories,
                'required'     => true,
            )
        );

        $this->addElement('text', 'title', array('label' => 'Post Title', 'required' => true, 'maxlength' => 200));
        $this->addElement(
            'text', 'author', ['label' => 'Author', 'filters' => ['StringTrim'], 'required' => true]);

        $this->_initMetaTitleElement(
            [
                'description'   => 'This information will show in the browser tab and in search results. '
                    . 'If you leave this field empty - the Page Title will be the same as Post Title.',
                'label'         => 'Meta Title',
            ]
        );

        $this->addElement(
            'pageAlias',
            'alias',
            array(
                'label'                 => 'Post Alias',
                'required'              => true,
                'maxlength'             => 200,
                'sourceField'           => 'title',
                'aliasValidatorOptions' => array(
                    'table'     => new \Qs_Db_Table('Post'),
                    'column'    => 'alias',
                    'currentId' => $this->_getData('id')
                )
            )
        );

        $image = $this->_getDataObj()->getConfig('image');
        $resize = $image->width . 'x' . $image->height . $image->resizeMethodAlias;
        $this->addElement('extendedImage', 'image', array('label' => 'Image', 'resize' => $resize));

        $this->_initMetaKeywordsElement();
        $this->_initMetaDescriptionElement();

        $this->addElement('textarea', 'excerpt', array('label' => 'Introduction'));

        $this->addElement(
            'htmlEditor',
            'content',
            array(
                'label'         => 'Content',
                'required'      => true,
                'hasMsWordNote' => true
            )
        );

        $this->addElement('checkbox', 'allowComment', array('label' => 'Allow Comments', 'decoration' => 'simple'));
        $this->addElement('checkbox', 'enabled', array('label' => 'Show on user end', 'decoration' => 'simple'));

        return $this;
    }

    public function render(\Zend_View_Interface $view = null)
    {
        /** @var $doc \Qs_Doc */
        $doc = \Zend_Registry::get('doc');
        $doc->addScript('js/app/admin-blog.js');
        $params = array(
            'alias'  => $this->getElement('alias')->getId(),
            'source' => $this->getElement('title')->getId()
        );
        $doc->addInitFunction('App_Alias.init', array($params));

        return parent::render($view);
    }
}