// http://jquery.com/docs/ajax/
if ( typeof XMLHttpRequest == 'undefined' && typeof window.ActiveXObject == 'function') {
- var XMLHttpRequest = function() {
- return new ActiveXObject((navigator.userAgent.toLowerCase().indexOf('msie 5') >= 0) ?
+ XMLHttpRequest = function() {
+ 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 ) {
+ // 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() {
+ // Socket is openend
+ if ( xml.readyState == 1 ) {
+ // Increase counter
+ $.xmlActive++;
+
+ // Show loader if needed
+ if ( ($.xmlActive >= 1) && ($.xmlCreate) )
+ $.xmlCreate();
+ }
+
+ // Socket is closed and data is available
if ( xml.readyState == 4 ) {
- if ( ret ) ret(xml);
- $.triggerAJAX( $.httpData(xml) );
+ // Decrease counter
+ $.xmlActive--;
+
+ // Hide loader if needed
+ if ( ($.xmlActive <= 0) && ($.xmlDestroy) ) {
+ $.xmlDestroy();
+ $.xmlActive = 0
+ }
+
+ // Process result
+ if ( ret )
+ ret(xml);
}
};
$.get = function( url, ret, type ) {
$.xml( "GET", url, null, function(r) {
- if ( ret ) ret( $.httpData(r,type) );
+ if ( ret ) { ret( $.httpData(r,type) ); }
});
};
$.post = function( url, data, ret, type ) {
$.xml( "POST", url, $.param(data), function(r) {
- if ( ret ) ret( $.httpData(r,type) );
+ if ( ret ) { ret( $.httpData(r,type) ); }
});
};
$.post( url, data, ret, "xml" );
};
-// Global AJAX Event Binding
-// Requested here:
-// http://jquery.com/discuss/2006-March/000415/
-
-$.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( $.ajaxHandles[i], 'ajax', [data] );
-};
-
-// Dynamic Form Submission
-// Based upon the mailing list post at:
-// http://jquery.com/discuss/2006-March/000424/
-
-$.fn.serialize = function(callback) {
- return this.each(function(){
- var a = {};
- $(this)
- .find("input:checked,hidden,text,option[@selected],textarea")
- .filter(":enabled").each(function() {
- a[ this.name || this.id || this.parentNode.name || this.parentNode.id ] = this.value;
- });
- $.xml( this.method || "GET", this.action || "", $.param(a), 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 j in a ) {
+ s[s.length] = j + "=" + encodeURIComponent( a[j] );
+ }
+ }
return s.join("&");
};
// Arrrrghhhhhhhh!!
// I overwrote the event plugin's .load
// this won't happen again, I hope -John
- if ( a && a.constructor == Function )
+ if ( a && a.constructor == Function ) {
return this.bind("load", a);
+ }
var t = "GET";
if ( o && o.constructor == Function ) {
f = o;
o = null;
}
- if (o != null) {
+ if (o !== null) {
o = $.param(o);
t = "POST";
}
var self = this;
$.xml(t,a,o,function(h){
- var h = h.responseText;
+ h = h.responseText;
self.html(h).find("script").each(function(){
try {
- eval( this.text || this.textContent || this.innerHTML );
+ $.eval( this.text || this.textContent || this.innerHTML );
} catch(e){}
});
- if(f)f(h);
+ if(f){f(h);}
});
return this;
};
+
+/**
+ * function: $.fn.formValues
+ * usage: $('#frmLogin').formValues()
+ * docs: Gets form values and creates a key=>value array of the found values (for ENABLED elements!)
+ */
+$.fn.formValues = function() {
+ var a = [];
+ $("input,textarea,option",this).filter(":enabled").each(function(){
+ // Skip selects with options which are not selected
+ if ((this.parentNode.type == 'select-one' || this.parentNode.type == 'select-multiple') && !this.selected) {
+ return null;
+ }
+
+ // Skip radio and checkbox elements which are not checked
+ if ((this.type == 'radio' || this.type == 'checkbox') && !this.checked) {
+ return null;
+ }
+
+ // All other elements are valid
+ a.push({
+ name: this.name || this.id || this.parentNode.name || this.parentNode.id,
+ value: this.value
+ });
+ });
+ 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(); }
+ });
+};