Changeset 859 for trunk/web-app/js/application.js

Timestamp:

Mar 13, 2011, 12:05:16 AM (13 years ago)

Author:

gav

Message:

Rework entry create and save ajax to allow multiple page element updates with JSON.

File:

• trunk/web-app/js/application.js (modified) (1 diff)

trunk/web-app/js/application.js

@@ -19 +19 @@
 }
 
-function errorIndication() {
-    return jQuery('#jQueryAjaxDefaultError').clone();
+function errorIndication(jqXHR, textStatus, errorThrown) {
+    return jQuery('#jQueryAjaxDefaultError').clone().append('Status:'+jqXHR.status+', '+textStatus+'.');
 }
+
+// Apply updates to multiple page elements.
+// @json JSON response object from an ajax request.
+// @json.updates Array of element updates to apply.
+// @element.mode The update mode: execute or replace, prepend, append.
+// @element.script Script to execute, if execute mode.
+// @element.target jQuery target selector, if update mode.
+// @element.content Content to update target with, if update mode.
+function applyElementUpdates(json) {
+    var updates;
+    var script;
+
+    if(json.updates) {
+        updates = json.updates;
+        var element;
+        var scripts = new Array();
+
+        for(element in updates) {
+            element = updates[element];
+
+            switch(element.mode) {
+                case 'execute':
+                    scripts.push(element.script);
+                    break;
+                case 'replace':
+                    jQuery(element.target).html(element.content);
+                    break;
+                case 'prepend':
+                    jQuery(element.target).prepend(element.content);
+                    break;
+                case 'append':
+                    jQuery(element.target).append(element.content);
+                    break;
+            }
+        }
+
+        // Run scripts.
+        for(script in scripts) {
+            script = scripts[script];
+            eval(script);
+        }
+
+    } // if(json.updates)
+} // applyElementUpdates
+
+
+