<?php

class App_Cms_Form_SubForm_Meta extends Qs_Form_SubForm
{
    protected $_mode;
    protected $_doc;
    protected $_language;
    protected $_viewController;
    protected $_optionsElements = array();


    public function getMode()
    {
        if (null == $this->_mode) {
            $this->_mode = 'edit';
        }
        return $this->_mode;
    }

    public function setMode($mode)
    {
        $this->_mode = $mode;
    }

    public function setViewController($viewController)
    {
        $this->_viewController = $viewController;
    }

    public function getViewController()
    {
        return $this->_viewController;
    }

    public function setLanguage($language)
    {
        $this->_language = $language;
        return $this;
    }

    public function setDoc($doc)
    {
        $this->_doc = $doc;
        return $this;
    }

    public function getLanguage()
    {
        return $this->_language;
    }

    public function isDefaultLanguage()
    {
        return $this->_language === Qs_Constant::get('DEFAULT_LANGUAGE');
    }

    public function init()
    {
        parent::init();
        $this->setLegend('Meta');
        $this->addElement('hidden', 'id');
        if ($this->isDefaultLanguage()) {
            //$this->addElement('select', 'idParent', array('label' => 'Parent Page', 'escapeLabel' => false));
            $this->addElement('hidden', 'idParent');
            $this->addElement(
                'text',
                'alias',
                array('label'       => 'Alias',
                      'required'    => true,
                      'description' => 'Allowed characters: a-z, A-Z, 0-9, "-", "_", "."')
            );
            $this->alias->addValidator(
                'Regex',
                false,
                array('pattern' => '/^[-_a-zA-Z0-9\.]+$/',
                      'messages' => array(
                        Zend_Validate_Regex::NOT_MATCH => 'You have used unallowed symbols. Please note: '
                                                        . 'the allowed ones are a -z, A-Z, 0-9, "-", "_", "."'))
            );

            $this->_addOptionCheckbox('showInSiteMap', 'Show in Sitemap');
            $this->_addOptionCheckbox('showInMenu', 'Show in Menu');

            if ($this->_doc->getAuth()->getSuMode()) {
                $this->addElement('select', 'handler', array('label' => 'Handler', 'required' => true));
                $this->_addOptionCheckbox('allowDelete', 'Allow delete');
                $this->_addOptionCheckbox('isSecure', 'Secure page');
                $this->_addOptionCheckbox('isIndexing', 'Include this page in search results');
                $this->_addOptionCheckbox('final', 'Final page');
                $this->_addOptionCheckbox('system', 'System (hidden in admin end)');

                $this->addElement('select', 'bodyTemplate', array('label' => 'Body Template'));
            } else {
                $this->addElement('hidden', 'handler');
            }
        }
        if (!empty($this->_optionsElements)) {
            $this->addDisplayGroup(
                $this->_optionsElements,
                'optionsGroup',
                array(
                    'legend' => 'Options',
                )
            );
            $this->optionsGroup->removeDecorator('HtmlTag');
        }
        $this->addElement('text', 'title', array('label' => 'Title', 'required' => true));
        $this->addElement('text', 'header', array('label' => 'Header'));
        $this->addElement('text', 'menuTitle', array('label' => 'Menu Title'));
        $this->addElement('textarea', 'introduction', array('label' => 'Page Introduction', 'attribs' => array('rows' => 5)));
        
        $this->addElement('textarea', 'keywords', array('label' => 'Keywords', 'attribs' => array('rows' => 2)));
        $this->addElement('textarea', 'description', array('label' => 'Description', 'attribs' => array('rows' => 2)));
        $this->addElement('button', 'save', array('label' => 'Save', 'decorators' => array('ViewHelper', 'HtmlTag')));
        $this->addElement('button', 'cancel', array('label' => 'Cancel', 'decorators' => array('ViewHelper', 'HtmlTag')));
        $this->addElement('button', 'edit', array('label' => 'Edit', 'decorators' => array('ViewHelper', 'HtmlTag')));
        $this->addDisplayGroup(
            array('save', 'cancel', 'edit'),
            'meta_toolbar',
            array(
                'decorators' => array(
                    'FormElements',
                    array(
                        'decorator' => 'HtmlTag',
                        'options' => array('tag' => 'dd', 'class' => 'meta_toolbar')
                    )
                )
            )
        );
    }

    protected function _addOptionCheckbox($name, $label)
    {
        $this->addElement(
            'checkbox',
            $name,
            array(
                'label'        => $label,
                'checkedValue' => 'y',
                'uncheckedValue' => 'n',
                'decorators' => array(
                    array('decorator' => 'ViewHelper', 'options' => array('separator' => '<br />')),
                    array('decorator' => 'Label', 'options' => array('placement' => 'APPEND'))
                )
            )
        );
        if (empty($this->_optionsElements)) {
            $this->$name->getDecorator('ViewHelper')->setOption('separator', null);
        }
        $this->_optionsElements[] = $name;
    }

    public function beforeRender()
    {
        $mode = $this->getMode();
        switch ($mode) {
            case 'view':
                $this->getDecorator('HtmlTag')->setOption('class', 'meta view_mode');
                break;
            default:
                break;
        }
    }

    public function render(Zend_View_Interface $view = null)
    {
        $this->beforeRender();
        return parent::render($view);
    }

    public function loadDefaultDecorators()
    {
        if ($this->loadDefaultDecoratorsIsDisabled()) {
            return;
        }

        $decorators = $this->getDecorators();
        if (empty($decorators)) {
            $this->addDecorator('FormElements')
                 ->addDecorator('HtmlTag', array('tag' => 'dl'))
                 ->addDecorator('Fieldset');
        }
    }

    public function addElement($element, $name = null, $options = null)
    {
        $hiddenFields = $this->_viewController->getConfig('hiddenFields');
        if (is_array($hiddenFields) && in_array($name, $hiddenFields)) {
            return $this;
        }
        parent::addElement($element, $name, $options);
    }
}