TbMarkdownEditor.php

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<?php
class TbMarkdownEditor extends CInputWidget {
        
        public $options = array();
        
        public $width = '100%';

        public $height = '400px';

        public function run() {

                list($name, $id) = $this->resolveNameID();

                $this->htmlOptions['id'] = $id;
                
                $this->registerClientScript($id);

                if (!array_key_exists('style', $this->htmlOptions)) {
                        $this->htmlOptions['style'] = "width:{$this->width};height:{$this->height};";
                }
                
                if ($this->hasModel()) { // Do we have a model?
                        echo CHtml::activeTextArea($this->model, $this->attribute, $this->htmlOptions);
                } else {
                        echo CHtml::textArea($name, $this->value, $this->htmlOptions);
                }
        }

        public function registerClientScript($id) {
                
        $booster = Booster::getBooster();
        $booster->registerPackage('markdown');
        
        $id = $this->htmlOptions['id'];
        $options = CJSON::encode($this->options);
        
                Yii::app()->clientScript->registerScript(__CLASS__ . '#' . $id, "
                        $('#$id').markdown({$options})
                        ", CClientScript::POS_END
                );
        }
}