app: add global delete children method

js/erp5_loader.js

@@ -3167,9 +3167,7 @@
                 break;
               default:
                 // NOTE: empty - setting .translate on a wrapper will empty it
-                while (element.hasChildNodes()) {
-                  element.removeChild(element.firstChild);
-                }
+                util.deleteChildren(element);
                 element.appendChild(document.createTextNode(i18n.t(target[0])));
                 break;
               }
@@ -4723,7 +4721,6 @@
       id = answer.id;
       decode = /%[0-9a-f]{2}/i.test(id);
       goto_page = decode ? id : window.encodeURIComponent(id);
-
       $.mobile.changePage(obj.state.callback.replace("__id__", goto_page));
     }
   };
@@ -5547,10 +5544,11 @@
             }
           }
         });
-      } /*else {
+      } else {
         // TODO: AAAARGH! so much jquery...
+        // TODO: AND IT DOES NOT WORK... §$%&/()=!
         $(form_element).trigger("addField", $(form_element).find(".required"));
-      }*/
+      }
     }
   };
 
@@ -5813,13 +5811,14 @@
    * Get the active JQM page in JavaScript-only
    * @method getPage
    * @param {string} url url of the page to fetch
+   * @param {string} straight If not set, we start searching from behind
    * @return {string} id of active page
    */
-  util.getPage = function (url) {
-    var i, kid, kids = document.body.children;
+  util.getPage = function (url, straight) {
+    var i, kid, len, kids = document.body.children;
 
     // reverse, because in JQM last page is the active page!
-    for (i = kids.length - 1; i >= 0; i -= 1) {
+    for (len = kids.length, i = len - 1; i >= 0; i -= 1) {
       kid = kids[i];
 
       if (util.testForString("ui-page", kid.className)) {
@@ -5831,6 +5830,17 @@
     return undefined;
   };
 
+  /**
+   * Remove all children of an element
+   * @method deleteChildren
+   * @param {object} el Element to remove children from
+   */
+  util.deleteChildren = function (el) {
+    while (el.hasChildNodes()) {
+      el.removeChild(el.lastChild);
+    }
+  };
+
   /**
    * Reverse an array
    * @method reverseArray
@@ -6719,12 +6729,9 @@
                 detach.appendChild(last_child.cloneNode(true));
               }
             }
-            // clear
-            while (update_target.hasChildNodes()) {
-              update_target.removeChild(update_target.lastChild);
-            }
 
-            //add new dynamic content and detached elements
+            //empty target, add new dynamic content and detached elements
+            util.deleteChildren(update_target);
             update_target.appendChild(wrapper.fragment);
             update_target.appendChild(detach);