1 files changed, 116 insertions, 0 deletions
diff --git a/mod/dokuwiki/vendors/dokuwiki/lib/scripts/index.js b/mod/dokuwiki/vendors/dokuwiki/lib/scripts/index.js
new file mode 100644
index 000000000..16b00c0ab
--- /dev/null
+++ b/mod/dokuwiki/vendors/dokuwiki/lib/scripts/index.js
@@ -0,0 +1,116 @@
+/**
+ * Javascript for index view
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+
+var index = {
+
+     /**
+     * Delay in ms before showing the throbber.
+     * Used to skip the throbber for fast AJAX calls.
+     */
+    throbber_delay: 500,
+
+    /**
+     * Attach event handlers to all "folders" below the given element
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     */
+    treeattach: function(obj){
+        if(!obj) return;
+
+        var items = getElementsByClass('idx_dir',obj,'a');
+        for(var i=0; i<items.length; i++){
+            var elem = items[i];
+
+            // attach action to make the link clickable by AJAX
+            addEvent(elem,'click',function(e){ return index.toggle(e,this); });
+
+            // get the listitem the elem belongs to
+            var listitem = elem.parentNode;
+            while (listitem.tagName != 'LI') {
+              listitem = listitem.parentNode;
+            }
+            //when there are uls under this listitem mark this listitem as opened
+            if (listitem.getElementsByTagName('ul').length) {
+              listitem.open = true;
+            }
+        }
+    },
+
+    /**
+     * Open or close a subtree using AJAX
+     * The contents of subtrees are "cached" untill the page is reloaded.
+     * A "loading" indicator is shown only when the AJAX call is slow.
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     * @author Ben Coburn <btcoburn@silicodon.net>
+     */
+    toggle: function(e,clicky){
+        var listitem = clicky.parentNode.parentNode;
+
+        listitem.open = !listitem.open;
+        // listitem.open represents now the action to be done
+
+        // if already open, close by removing the sublist
+        var sublists = listitem.getElementsByTagName('ul');
+        if(!listitem.open){
+            if (sublists.length) {
+              sublists[0].style.display='none';
+            }
+            listitem.className='closed';
+            e.preventDefault();
+            return false;
+        }
+
+        // just show if already loaded
+        if(sublists.length && listitem.open){
+            sublists[0].style.display='';
+            listitem.className='open';
+            e.preventDefault();
+            return false;
+        }
+
+        // prepare an AJAX call to fetch the subtree
+        var ajax = new sack(DOKU_BASE + 'lib/exe/ajax.php');
+        ajax.AjaxFailedAlert = '';
+        ajax.encodeURIString = false;
+        if(ajax.failed) return true;
+
+        //prepare the new ul
+        var ul = document.createElement('ul');
+        ul.className = 'idx';
+        timeout = window.setTimeout(function(){
+            // show the throbber as needed
+            if (listitem.open) {
+              ul.innerHTML = '<li><img src="'+DOKU_BASE+'lib/images/throbber.gif" alt="loading..." title="loading..." /></li>';
+              listitem.appendChild(ul);
+              listitem.className='open';
+            }
+        }, this.throbber_delay);
+        ajax.elementObj = ul;
+        ajax.afterCompletion = function(){
+            window.clearTimeout(timeout);
+            index.treeattach(ul);
+            if (listitem.className!='open') {
+              if (!listitem.open) {
+                ul.style.display='none';
+              }
+              listitem.appendChild(ul);
+              if (listitem.open) {
+                listitem.className='open';
+              }
+            }
+        };
+        ajax.runAJAX(clicky.search.substr(1)+'&call=index');
+        e.preventDefault();
+        return false;
+    }
+};
+
+
+addInitEvent(function(){
+    if (DOKUid('index__tree'))
+ 	   index.treeattach(DOKUid('index__tree'));
+});