Added my bugfixes and removed the triggerAjax and handleAjax functions since they...
authorGilles van den Hoven <gilles0181@gmail.com>
Tue, 16 May 2006 16:18:52 +0000 (16:18 +0000)
committerGilles van den Hoven <gilles0181@gmail.com>
Tue, 16 May 2006 16:18:52 +0000 (16:18 +0000)
ajax/ajax.js

index bd08f83..d448ebb 100644 (file)
@@ -4,24 +4,60 @@
 
 if ( typeof XMLHttpRequest == 'undefined' && typeof window.ActiveXObject == 'function') {
        var XMLHttpRequest = function() {
-               return new ActiveXObject((navigator.userAgent.toLowerCase().indexOf('msie 5') >= 0) ? 
+               return new ActiveXObject((navigator.userAgent.toLowerCase().indexOf('msie 5') >= 0) ?
                        "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP");
        };
 }
 
+//
+// Counter for holding the active query's
+$.xmlActive=0;
+
 $.xml = function( type, url, data, ret ) {
        var xml = new XMLHttpRequest();
 
        if ( xml ) {
+               //
+               // Increase the query counter
+               $.xmlActive++;
+
+               //
+               // Show loader if needed
+               if ($.xmlCreate)
+                       $.xmlCreate();
+
+               //
+               // Open the socket
                xml.open(type || "GET", url, true);
 
                if ( data )
                        xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 
+               //
+               // Set header so calling script knows that it's an XMLHttpRequest
+               xml.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
+
+               /* Force "Connection: close" for Mozilla browsers to work around
+                * a bug where XMLHttpReqeuest sends an incorrect Content-length
+                * header. See Mozilla Bugzilla #246651.
+                */
+               if ( xml.overrideMimeType )
+                       xml.setRequestHeader('Connection', 'close');
+
                xml.onreadystatechange = function() {
                        if ( xml.readyState == 4 ) {
                                if ( ret ) ret(xml);
-                               $.triggerAJAX( $.httpData(xml) );
+
+                               //
+                               // Decrease counter
+                               $.xmlActive--;
+
+                               //
+                               // Hide loader if needed
+                               if ($.xmlActive <= 0) {
+                                       if ($.xmlDestroy)
+                                               $.xmlDestroy();
+                               }
                        }
                };
 
@@ -54,21 +90,6 @@ $.postXML = function( url, data, ret ) {
        $.post( url, data, ret, "xml" );
 };
 
-// Global AJAX Event Binding
-// Requested here:
-// http://jquery.com/discuss/2006-March/000415/
-
-$.fn.handleAJAX = function( callback ) {
-       $.ajaxHandles = $.merge( $.ajaxHandles, this.cur );
-       return this.bind( 'ajax', callback );
-};
-
-$.ajaxHandles = [];
-$.triggerAJAX = function(data){
-       for ( var i = 0; i < $.ajaxHandles.length; i++ )
-               triggerEvent( $.ajaxHandles[i], 'ajax', [data] );
-};
-
 // Dynamic Form Submission
 // Based upon the mailing list post at:
 // http://jquery.com/discuss/2006-March/000424/
@@ -87,8 +108,13 @@ $.fn.serialize = function(callback) {
 
 $.param = function(a) {
        var s = [];
-       for ( var i in a )
-       s[s.length] = i + "=" + encodeURIComponent( a[i] );
+       if (a && typeof a == 'object' && a.constructor == Array) {
+               for ( var i=0; i < a.length; i++ )
+                       s[s.length] = a[i]['name'] + "=" + encodeURIComponent( a[i]['value'] );
+       } else {
+               for ( var i in a )
+                       s[s.length] = i + "=" + encodeURIComponent( a[i] );
+       }
        return s.join("&");
 };
 
@@ -120,3 +146,45 @@ $.fn.load = function(a,o,f) {
        });
        return this;
 };
+
+/**
+ * function:   $.fn.formValues
+ * usage:              $('#frmLogin').formValues()
+ * docs:                       Gets the form values and creates a key=>value array of the found values (only for ENABLED elements!)
+ */
+$.fn.formValues = function() {
+       var a = new Array();
+       this.find("input[@type='submit'],input[@type='hidden'],textarea,input[@checked],input[@type='password'],input[@type='text'],option[@selected]")
+               .filter(":enabled").each(function() {
+                       o = {};
+                       o['name'] = this.name || this.id || this.parentNode.name || this.parentNode.id;
+                       o['value'] = this.value;
+                       a.push(o);
+               });
+       return a;
+};
+
+/**
+ * function:   $.update
+ * usage:              $.update('someJQueryObject', 'someurl', 'array');
+ * docs:                       Mimics the ajaxUpdater from prototype. Posts the key=>value array to the url and
+ *                                     puts the results from that call in the jQuery object specified.
+ *                                     --> If you set the blnNoEval to true, the script tags are NOT evaluated.
+ */
+$.update = function(objElement, strURL, arrValues, fncCallback) {
+       $.post(strURL, arrValues, function(strHTML) {
+               //
+               // Update the element with the new HTML
+               objElement.html(strHTML);
+
+               //
+               // Evaluate the scripts
+               objElement.html(strHTML).find("script").each(function(){
+                       try { eval( this.text || this.textContent || this.innerHTML ); } catch(e){}
+               });
+
+               //
+               // Callback handler
+               if (fncCallback) fncCallback();
+       });
+};