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path: root/GWP_bs3_panel_shortcode.php
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<?php
class GWP_bs3_panel_shortcode{
    /**
     * $shortcode_tag
     * holds the name of the shortcode tag
     * @var string
     */
    public $shortcode_tag = 'bs3_panel';

    /**
     * __construct
     * class constructor will set the needed filter and action hooks
     *
     * @param array $args
     */
    function __construct($args = array()){
        //add shortcode
        add_shortcode($this->shortcode_tag, array($this, 'shortcode_handler'));

        if (is_admin()){
            add_action('admin_head', array($this, 'admin_head'));
            add_action('admin_enqueue_scripts', array($this , 'admin_enqueue_scripts'));
        }
    }

    /**
     * shortcode_handler
     * @param  array  $atts shortcode attributes
     * @param  string $content shortcode content
     * @return string
     */
    function shortcode_handler($atts , $content = null){
        // Attributes
        extract( shortcode_atts(
            array(
                'url' => 'no',
                'footer' => 'no',
                'code' => 'webm',
            ), $atts )
        );

        //make sure the panel type is a valid styled type if not revert to wemb
        $panel_types = array('ogv','webm','mp4');
        $type = in_array($type, $panel_types)? $type: 'webm';

        //start panel markup
        $output = '<div class="panel panel-'.$type.'">';

        //check if panel has a header
        if ('no' != $header)
            $output .= '<div class="panel-heading">'.$header.'</div>';

        //add panel body content and allow shortcode in it
        $output .= '<div class="panel-body">'.trim(do_shortcode($content)).'</div>';

        //check if panel has a footer
        if ('no' != $footer)
            $output .= '<div class="panel-footer">'.$footer.'</div>';

        //add closing div tag
        $output .= '</div>';

        //return shortcode output
        return $output;
    }

    /**
     * admin_head
     * calls your functions into the correct filters
     * @return void
     */
    function admin_head() {
        // check user permissions
        if (!current_user_can('edit_posts') && !current_user_can('edit_pages')) {
            return;
        }

        // check if WYSIWYG is enabled
        if ('true' == get_user_option('rich_editing')) {
            add_filter('mce_external_plugins', array($this ,'mce_external_plugins'));
            add_filter('mce_buttons', array($this, 'mce_buttons'));
        }
    }

    /**
     * mce_external_plugins
     * Adds our tinymce plugin
     * @param  array $plugin_array
     * @return array
     */
    function mce_external_plugins($plugin_array) {
        $plugin_array[$this->shortcode_tag] = plugins_url('librevideojs/js/mce-button.min.js' , __FILE__ );
        return $plugin_array;
    }

    /**
     * mce_buttons
     * Adds our tinymce button
     * @param  array $buttons
     * @return array
     */
    function mce_buttons($buttons) {
        array_push($buttons, $this->shortcode_tag);
        return $buttons;
    }

    /**
     * admin_enqueue_scripts
     * Used to enqueue custom styles
     * @return void
     */
    function admin_enqueue_scripts() {
         wp_enqueue_style('bs3_panel_shortcode', plugins_url('librevideojs/css/mce-button.css' , __FILE__));
    }
}