X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=ajax%2Fajax.js;h=a972871bfd093fe950404705f780b62ffb886085;hb=d71a85001b0562ed05925e0c5635c3c0a1d52068;hp=87eadbf675339abf52e0eb8ab72260766c4b694a;hpb=8a4a1edf047f2c272f663866eb7b5fcd644d65b3;p=jquery.git diff --git a/ajax/ajax.js b/ajax/ajax.js index 87eadbf..a972871 100644 --- a/ajax/ajax.js +++ b/ajax/ajax.js @@ -3,86 +3,178 @@ // 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) ? - "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP"); - }; + 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(); + 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'); + } - if ( xml ) { - xml.open(type || "GET", url, true); + xml.onreadystatechange = function() { + if ( xml.readyState == 4 ) { + if ( ret ) { ret(xml); } - if ( data ) - xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); + // + // Decrease counter + $.xmlActive--; - if ( ret ) - xml.onreadystatechange = function() { - if ( xml.readyState == 4 ) ret(xml); - }; + // + // Hide loader if needed + if ($.xmlActive <= 0) { + if ($.xmlDestroy) { + $.xmlDestroy(); + } + } + } + }; - xml.send(data) - } + xml.send(data); + } }; $.httpData = function(r,type) { - return r.getResponseHeader("content-type").indexOf("xml") > 0 || type == "xml" ? - r.responseXML : r.responseText; + return r.getResponseHeader("content-type").indexOf("xml") > 0 || type == "xml" ? + r.responseXML : r.responseText; }; $.get = function( url, ret, type ) { - $.xml( "GET", url, null, function(r) { - if ( ret ) ret( $.httpData(r,type) ); - }); + $.xml( "GET", url, null, function(r) { + if ( ret ) { ret( $.httpData(r,type) ); } + }); }; $.getXML = function( url, ret ) { - $.get( url, ret, "xml" ); + $.get( url, ret, "xml" ); }; $.post = function( url, data, ret, type ) { - $.xml( "POST", url, $.param(data), function(r) { - if ( ret ) ret( $.httpData(r,type) ); - }); + $.xml( "POST", url, $.param(data), function(r) { + if ( ret ) { ret( $.httpData(r,type) ); } + }); }; $.postXML = function( url, data, ret ) { - $.post( url, data, ret, "xml" ); + $.post( url, data, ret, "xml" ); }; $.param = function(a) { - var s = []; - for ( var i in a ) - s[s.length] = i + "=" + encodeURIComponent( a[i] ); - return s.join("&"); + var s = []; + 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("&"); }; $.fn.load = function(a,o,f) { - // Arrrrghhhhhhhh!! - // I overwrote the event plugin's .load - // this won't happen again, I hope -John - 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) { - o = $.param(o); - t = "POST"; - } - var self = this; - $.xml(t,a,o,function(h){ - var h = h.responseText; - self.html(h).find("script").each(function(){ - try { - eval( this.text || this.textContent || this.innerHTML ); - } catch(e){} - }); - if(f)f(h); - }); - return this; + // Arrrrghhhhhhhh!! + // I overwrote the event plugin's .load + // this won't happen again, I hope -John + 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) { + o = $.param(o); + t = "POST"; + } + var self = this; + $.xml(t,a,o,function(h){ + h = h.responseText; + self.html(h).find("script").each(function(){ + try { + eval( this.text || this.textContent || this.innerHTML ); + } catch(e){} + }); + if(f){f(h);} + }); + 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 = []; + 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(); } + }); };