Jamendo Shortcodes for WP

class Jamendo_ShortCodes {


		/*************************************************************
	    * Shortcodes
	    *************************************************************/

		function _sh_getid($attrs) {
			if (!empty($attrs[0])) {
				return intval($attrs[0]);
			} elseif (!empty($attrs["id"])) {
				return intval($attrs["id"]);
			}
			return false;
		}

		function _sh_getwidgetcode($unit,$id) {
			global $jamendo_bridge_plugin;

			$code = file_get_contents("http://".$jamendo_bridge_plugin->jamendoDomain."/get2/none/".$unit."/playercode/?id=".$id);

			//remove the "div align=center"
			$code = preg_replace("/^\<div .*?\>/","",$code);
			$code = preg_replace("/\<\/div\>$/","",$code);

			return $code;
		}

		function sh_album($attrs) {
			$id = $this->_sh_getid($attrs);
			if (!$id) return "";

			return $this->_sh_getwidgetcode("album",$id);
		}

		function sh_playlist($attrs) {
			$id = $this->_sh_getid($attrs);
			if (!$id) return "";

			return $this->_sh_getwidgetcode("playlist",$id);
		}

		function sh_track($attrs) {
			$id = $this->_sh_getid($attrs);
			if (!$id) return "";

			return $this->_sh_getwidgetcode("track",$id);
		}

		//Register all sh_* functions as shortcodes
		function hook() {

			//todo: introspection code
			$functions = array("sh_album","sh_playlist","sh_track");

			foreach ($functions as $f) {
				if (substr($f,0,3)=="sh_") {
					add_shortcode(substr($f,3),array($this,$f));
				}
			}

			add_filter( 'mce_buttons', array(&$this, 'mce_buttons'));
			//add_filter( 'mce_buttons_2', array(&$this, 'mce_buttons'));

			if (is_admin()) {

				// Register editor button hooks
				add_action( 'edit_form_advanced', array(&$this, 'AddQuicktagsAndFunctions'),9999 );
				add_action( 'edit_page_form', array(&$this, 'AddQuicktagsAndFunctions') );


			}

		}

		/** tinyMCE plugin code from Viper Video Tags plugin **/


		// Add the custom TinyMCE buttons
		function mce_buttons( $buttons ) {

			array_push( $buttons, '|' );
			array_push( $buttons, 'jamWidget' );
			return $buttons;
		}

		// WordPress' js_escape() won't allow <, >, or " -- instead it converts it to an HTML entity. This is a "fixed" function that's used when needed.
		function js_escape($text) {
			$safe_text = addslashes($text);
			$safe_text = preg_replace('/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes($safe_text));
			$safe_text = preg_replace("/\r?\n/", "\\n", addslashes($safe_text));
			$safe_text = str_replace('\\\n', '\n', $safe_text);
			return apply_filters('js_escape', $safe_text, $text);
		}


		// Add the old style buttons to the non-TinyMCE editor views and output all of the JS for the button function + dialog box
		function AddQuicktagsAndFunctions() {
			$types = array(
				'jamwidget'     => array(
					__('Jamendo'),
					__('Embed music from Jamendo'),
					__('Please enter the URL at which the music can be found on Jamendo.'),
					"http://www.jamendo.com/album/33</code><br/><code>http://www.jamendo.com/playlist/26</code><br><code>http://www.jamendo.com/track/241",
				)
			);

			$buttonhtml = $datajs = '';
			foreach ( $types as $type => $strings ) {
				// HTML for quicktag button
				$buttonshtml .= '<input type="button" class="ed_button" onclick="VVQButtonClick(\'' . $type . '\')" title="' . $strings[1] . '" value="' . $strings[0] . '" />';

				// Create the data array
				$datajs .= "	VVQData['$type'] = {\n";
				$datajs .= '		title: "' . $this->js_escape( ucwords( $strings[1] ) ) . '",' . "\n";
				$datajs .= '		instructions: "' . $this->js_escape( $strings[2] ) . '",' . "\n";
				$datajs .= '		example: ' . json_encode($strings[3] ). '';
				/*if ( !empty($this->settings[$type]['width']) && !empty($this->settings[$type]['height']) ) {
					$datajs .= ",\n		width: " . $this->settings[$type]['width'] . ",\n";
					$datajs .= '		height: ' . $this->settings[$type]['height'];
				}*/

				$datajs .= "\n	};\n";
			}

			?>
			<script type="text/javascript">
			// <![CDATA[
			<?php echo $datajs; ?>


				jQuery(document).ready(function(){
					// Add the buttons to the HTML view
					jQuery("#ed_toolbar").append('<?php echo $this->js_escape( $buttonshtml ); ?>');
				});
			// ]]>
			</script>
			<?php


		}
	}


}