- Add: Plugin Widget to define where the reference container shall appear when set to "widget area"

- Update: Translation for new settings and for the Widget description

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@920341 b8457f37-d9ea-0310-8a92-e5e31aec5664

classes/footnotes_widget.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Stefan
+ * Date: 24.05.14
+ * Time: 13:57
+ */
+
+class Class_FootnotesWidget extends WP_Widget {
+
+    /**
+     * @constructor
+     */
+    function Class_FootnotesWidget() {
+        $widget_ops = array( 'classname' => 'Class_FootnotesWidget', 'description' => __('The widget defines the position of the reference container if set to "widget area".', FOOTNOTES_PLUGIN_NAME) );
+        $control_ops = array( 'width' => 300, 'height' => 350, 'id_base' => 'footnotes_widget' );
+        $this->WP_Widget( 'footnotes_widget', sprintf(__("%s Widget", FOOTNOTES_PLUGIN_NAME), FOOTNOTES_PLUGIN_PUBLIC_NAME), $widget_ops, $control_ops );
+    }
+
+    /**
+     * widget form creation
+     * @param $instance
+     */
+    function form($instance) {
+        echo __('The widget defines the position of the reference container if set to "widget area".', FOOTNOTES_PLUGIN_NAME);
+    }
+
+    /**
+     * widget update
+     * @param $new_instance
+     * @param $old_instance
+     */
+    function update($new_instance, $old_instance) {
+        return $new_instance;
+    }
+
+    /**
+     * widget display
+     * @param $args
+     * @param $instance
+     */
+    function widget($args, $instance) {
+        /* access to the global settings collection */
+        global $g_arr_FootnotesSettings;
+        /* get setting for 'display reference container position' */
+        $l_str_ReferenceContainerPosition = $g_arr_FootnotesSettings[FOOTNOTE_INPUTFIELD_REFERENCE_CONTAINER_PLACE];
+        if ($l_str_ReferenceContainerPosition == "widget") {
+            echo footnotes_OutputReferenceContainer();
+        }
+    }
+}