// 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 (typeof o !== 'undefined') {
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;
};
+
+/**
+ * name: $.fn.formValues
+ * example: $('#frmLogin').formValues('sButton')
+ * docs: Gets form values and creates a key=>value array of the found values.
+ * Optionally adds the button which is clicked if you provide it.
+ * Only does this for ENABLED elements in the order of the form.
+ */
+$.fn.formValues = function(sButton) {
+ var a = [];
+ var ok = {INPUT:true, TEXTAREA:true, OPTION:true};
+
+ // Loop the shite
+ $('*', this).each(function() {
+ // Skip elements not of the types in ok
+ if (!ok[this.tagName.toUpperCase()])
+ return;
+
+ // Skip disabled elements
+ if (this.disabled)
+ return;
+
+ // Skip submit buttons and image elements
+ if ((this.type == 'submit') || (this.type == 'image'))
+ return;
+
+ // Skip non-selected options
+ var oParent = this.parentNode;
+ var sNn = oParent.nodeName.toUpperCase();
+ if (((sNn == 'SELECT') || (sNn == 'OPTGROUP')) && (!this.selected))
+ return;
+
+ // Skip non-checked nodes
+ if (((this.type == 'radio') || (this.type == 'checkbox')) && (!this.checked))
+ return;
+
+ // If we come here, everything is fine
+ var sKey = this.name || this.id || oParent.name || oParent.id;
+ var sValue = this.value;
+
+ // If we don't have an ID, and the parent is an OPTGROUP,
+ // get the NAME or ID of the OPTGROUP's parent
+ if ((!sKey) && (sNn == 'OPTGROUP') && (oParent = oParent.parentNode))
+ sKey = oParent.name || oParent.id;
+
+ // Add the data
+ a.push({ name: sKey, value: sValue });
+ });
+
+ // Add submit button if needed
+ if (sButton && (sButton !== null)) {
+ var el = $(sButton).get(0);
+ a.push({
+ name: el.name || el.id || el.parentNode.name || el.parentNode.id,
+ value: el.value
+ });
+ }
+
+ // Done
+ return a;
+};
+
+/**
+ * name: $.fn.update
+ * example: $('someJQueryObject').update('sURL', 'sAction', 'aValues', 'fCallback');
+ * docs: Calls sURL with sAction and sends the aValues
+ * Puts the results from that call in the jQuery object and calls fCallback
+ */
+$.fn.update = function(sURL, sMethod, aValues, fCallback) {
+ var el = this;
+
+ // Process
+ $.xml(
+ sMethod || "GET",
+ sURL || "",
+ $.param(aValues),
+ function(sResult) {
+ sResult = $.httpData(sResult);
+
+ // Update the element with the new HTML
+ el.html(sResult);
+
+ // Evaluate the scripts AFTER this (so you can allready modify the new HTML!)
+ el.html(sResult).find("script").each(function(){
+ try { $.eval( this.text || this.textContent || this.innerHTML || "" ); } catch(e) { }
+ });
+
+ // And call the callback handler :)
+ if (fCallback && (fCallback.constructor == Function))
+ fCallback();
+ }
+ );
+};
+
+/**
+ * name: $.fn.serialize
+ * example: $('someJQueryObject').serialize('sButton', 'fCallback');
+ * docs: Calls the form's action with the correct method and the serialized values.
+ * Optionally adds the button which is clicked if you provide it.
+ * When there are results, the fCallback function is called.
+ */
+$.fn.serialize = function(sButton, fCallback) {
+ var el = this.get(0);
+
+ // Process
+ $.xml(
+ el.method || "GET",
+ el.action || "",
+ $.param(this.formValues(sButton)),
+ function(sResult) {
+ if (fCallback && (fCallback.constructor == Function))
+ fCallback($.httpData(sResult));
+ }
+ );
+};
git.asbjorn.biz / jquery.git / blobdiff