replace deprecated delegate() calls

The delegate() call is deprecated in jQuery 3. This replaces it with the
on() call.

lib/scripts/linkwiz.js

@@ -59,7 +59,7 @@ var dw_linkwiz = {
         // attach event handlers
         jQuery('#link__wiz .ui-dialog-titlebar-close').click(dw_linkwiz.hide);
         dw_linkwiz.$entry.keyup(dw_linkwiz.onEntry);
-        jQuery(dw_linkwiz.result).delegate('a', 'click', dw_linkwiz.onResultClick);
+        jQuery(dw_linkwiz.result).on('click', 'a', dw_linkwiz.onResultClick);
     },
 
     /**

lib/scripts/media.js

@@ -40,13 +40,12 @@ var dw_mediamanager = {
 
         // add the action to autofill the "upload as" field
         $content
-            .delegate('#upload__file', 'change', dw_mediamanager.suggest)
+            .on('change', '#upload__file', dw_mediamanager.suggest)
             // Attach the image selector action to all links
-            .delegate('a.select', 'click', dw_mediamanager.select)
+            .on('click', 'a.select', dw_mediamanager.select)
             // Attach deletion confirmation dialog to the delete buttons
-            .delegate('#media__content a.btn_media_delete', 'click',
-            dw_mediamanager.confirmattach)
-            .delegate('#mediamanager__done_form', 'submit', dw_mediamanager.list);
+            .on('click', '#media__content a.btn_media_delete', dw_mediamanager.confirmattach)
+            .on('submit', '#mediamanager__done_form', dw_mediamanager.list);
 
         $tree.dw_tree({
             toggle_selector: 'img',
@@ -66,7 +65,7 @@ var dw_mediamanager = {
                 $clicky.attr('src', DOKU_BASE + 'lib/images/' + (opening ? 'minus' : 'plus') + '.gif');
             }
         });
-        $tree.delegate('a', 'click', dw_mediamanager.list);
+        $tree.on('click', 'a', dw_mediamanager.list);
 
         // Init view property
         dw_mediamanager.set_fileview_list();
@@ -79,32 +78,32 @@ var dw_mediamanager = {
         // changing opened tab in the file list panel
         var $page = jQuery('#mediamanager__page');
         $page.find('div.filelist')
-            .delegate('ul.tabs a', 'click', dw_mediamanager.list)
+            .on('click', 'ul.tabs a', dw_mediamanager.list)
             // loading file details
-            .delegate('div.panelContent a', 'click', dw_mediamanager.details)
+            .on('click', 'div.panelContent a', dw_mediamanager.details)
             // search form
-            .delegate('#dw__mediasearch', 'submit', dw_mediamanager.list)
+            .on('submit', '#dw__mediasearch', dw_mediamanager.list)
             // "upload as" field autofill
-            .delegate('#upload__file', 'change', dw_mediamanager.suggest)
+            .on('change', '#upload__file', dw_mediamanager.suggest)
             // uploaded images
-            .delegate('.qq-upload-file a', 'click', dw_mediamanager.details);
+            .on('click', '.qq-upload-file a', dw_mediamanager.details);
 
         // changing opened tab in the file details panel
         $page.find('div.file')
-            .delegate('ul.tabs a', 'click', dw_mediamanager.details)
+            .on('click', 'ul.tabs a', dw_mediamanager.details)
             // "update new version" button
-            .delegate('#mediamanager__btn_update', 'submit', dw_mediamanager.list)
+            .on('submit', '#mediamanager__btn_update', dw_mediamanager.list)
             // revisions form
-            .delegate('#page__revisions', 'submit', dw_mediamanager.details)
-            .delegate('#page__revisions a', 'click', dw_mediamanager.details)
+            .on('submit', '#page__revisions', dw_mediamanager.details)
+            .on('click', '#page__revisions a', dw_mediamanager.details)
             // meta edit form
-            .delegate('#mediamanager__save_meta', 'submit', dw_mediamanager.details)
+            .on('submit', '#mediamanager__save_meta', dw_mediamanager.details)
             // delete button
-            .delegate('#mediamanager__btn_delete', 'submit', dw_mediamanager.details)
+            .on('submit', '#mediamanager__btn_delete', dw_mediamanager.details)
             // "restore this version" button
-            .delegate('#mediamanager__btn_restore', 'submit', dw_mediamanager.details)
+            .on('submit', '#mediamanager__btn_restore', dw_mediamanager.details)
             // less/more recent buttons in media revisions form
-            .delegate('.btn_newer, .btn_older', 'submit', dw_mediamanager.details);
+            .on('submit', '.btn_newer, .btn_older', dw_mediamanager.details);
 
         dw_mediamanager.update_resizable();
         dw_mediamanager.layout_width = $page.width();

lib/scripts/tree.js

@@ -12,7 +12,7 @@ jQuery.fn.dw_tree = function(overrides) {
         toggle_selector: 'a.idx_dir',
 
         init: function () {
-            this.$obj.delegate(this.toggle_selector, 'click', this,
+            this.$obj.on('click', this.toggle_selector, this,
                                this.toggle);
             jQuery('ul:first', this.$obj).attr('role', 'tree');
             jQuery('ul', this.$obj).not(':first').attr('role', 'group');