[re #16] Added ability to pass class name into shortcode attributes

Author: Eugene Manuilov

classes/Visualizer/Module/Frontend.php

@@ -90,6 +90,7 @@ public function enqueueScripts() {
 	public function renderChart( $atts ) {
 		$atts = shortcode_atts( array(
 			'id'     => false, // chart id
+			'class'  => false, // chart class
 			'series' => false, // series filter hook
 			'data'   => false, // data filter hook
 		), $atts );
@@ -100,6 +101,8 @@ public function renderChart( $atts ) {
 		}
 
 		$id = 'visualizer-' . $atts['id'];
+		$class = !empty( $atts['class'] ) ? ' class="' . $atts['class'] . '"' : '';
+
 		$type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
 
 		// faetch and update settings
@@ -133,7 +136,7 @@ public function renderChart( $atts ) {
 		wp_localize_script( 'visualizer-render', 'visualizer', array( 'charts' => $this->_charts ) );
 
 		// return placeholder div
-		return '<div id="' . $id . '"></div>';
+		return '<div id="' . $id . '"' . $class . '></div>';
 	}
 
 }