added setAdvanced MoodleQuickForm method. And added closeHeaderAfter method

lib/javascript-static.js

@@ -194,6 +194,66 @@ function findParentNode(el, elName, elClass, elId) {
     }
     return el;
 }
+/*
+    findChildNode (start, elementName, elementClass, elementID)
+
+    Travels down the DOM hierarchy to find all child elements with the
+    specified tag name, class, and id. All conditions must be met,
+    but any can be ommitted.
+*/
+function findChildNodes(start, tagName, elementClass, elementID, elementName) {
+    var children = new Array();
+    for (var childIndex in start.childNodes) {
+        var child = start.childNodes[childIndex];
+        if(
+            (child.nodeType == 1) &&//element node type
+            (!tagName || child.nodeName == tagName) &&
+            (!elementClass || child.className.indexOf(elementClass) != -1) &&
+            (!elementID || child.id == elementID) &&
+            (!elementName || child.name == elementName))
+        {
+            children = children.concat(child);
+        }
+        children = children.concat(findChildNodes(child, tagName, elementClass, elementID, elementName));
+    }
+    return children;
+}
+/*
+    elementSetHide (elements, hide)
+
+    Adds or removes the "hide" class for the specified elements depending on boolean hide.
+*/
+function elementShowAdvanced(elements, show) {
+    for (var elementIndex in elements){
+        element = elements[elementIndex];
+        element.className = element.className.replace(new RegExp(' ?hide'), '')
+        if(!show) {
+            element.className += ' hide';
+        }
+    }
+}
+
+function showAdvancedOnClick(button, hidetext, showtext){
+    var toSet=findChildNodes(button.form, null, 'advanced');
+    var buttontext = '';
+    if (button.form.elements['mform_showadvanced_last'].value == '0') {
+        elementShowAdvanced(toSet, true);
+        buttontext = hidetext;
+        button.form.elements['mform_showadvanced_last'].value = '1';
+    } else {
+        elementShowAdvanced(toSet, false);
+        buttontext = showtext;
+        button.form.elements['mform_showadvanced_last'].value = '0';
+    }
+    var formelements = button.form.elements;
+    for (var i in formelements){
+        if (formelements[i].name=='mform_showadvanced'){
+            formelements[i].value = buttontext;
+        }
+    }
+    //never submit the form if js is enabled.
+    return false;
+}
 
 /*
     elementToggleHide (element, elementFinder)
@@ -204,7 +264,7 @@ function findParentNode(el, elName, elClass, elId) {
 
     If persistent == true, also sets a cookie for this.
 */
-function elementToggleHide(el, persistent, elementFinder, pixPath) {
+function elementToggleHide(el, persistent, elementFinder) {
     if(!elementFinder) {
         var obj = el;
     }
@@ -213,14 +273,13 @@ function elementToggleHide(el, persistent, elementFinder, pixPath) {
     }
     if(obj.className.indexOf('hidden') == -1) {
         obj.className += ' hidden';
-        document.getElementById('togglehide_'+obj.id).setAttribute('src', pixPath+'/t/switch_plus.gif');
-		var shown = 0;
+        var shown = 0;
     }
     else {
-        obj.className = obj.className.replace(new RegExp(' ?hidden'), '');
-        document.getElementById('togglehide_'+obj.id).setAttribute('src', pixPath+'/t/switch_minus.gif');
-		var shown = 1;
+        obj.className = obj.className.replace(new RegExp(' ?hidden'), '')
+        var shown = 1;
     }
+
     if(persistent == true) {
         new cookie('hide:' + obj.id, 1, (shown ? -1 : 356), '/').set();
     }