--- /dev/null
+if(!dojo._hasResource["dojo.io.iframe"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.io.iframe"] = true;
+dojo.provide("dojo.io.iframe");
+
+dojo.io.iframe = {
+ create: function(/*String*/fname, /*String*/onloadstr, /*String?*/uri){
+ // summary:
+ // Creates a hidden iframe in the page. Used mostly for IO
+ // transports. You do not need to call this to start a
+ // dojo.io.iframe request. Just call send().
+ // fname: String
+ // The name of the iframe. Used for the name attribute on the
+ // iframe.
+ // onloadstr: String
+ // A string of JavaScript that will be executed when the content
+ // in the iframe loads.
+ // uri: String
+ // The value of the src attribute on the iframe element. If a
+ // value is not given, then dojo/resources/blank.html will be
+ // used.
+ if(window[fname]){ return window[fname]; }
+ if(window.frames[fname]){ return window.frames[fname]; }
+ var cframe = null;
+ var turi = uri;
+ if(!turi){
+ if(dojo.config["useXDomain"] && !dojo.config["dojoBlankHtmlUrl"]){
+ console.debug("dojo.io.iframe.create: When using cross-domain Dojo builds,"
+ + " please save dojo/resources/blank.html to your domain and set djConfig.dojoBlankHtmlUrl"
+ + " to the path on your domain to blank.html");
+ }
+ turi = (dojo.config["dojoBlankHtmlUrl"]||dojo.moduleUrl("dojo", "resources/blank.html"));
+ }
+ var ifrstr = dojo.isIE ? '<iframe name="'+fname+'" src="'+turi+'" onload="'+onloadstr+'">' : 'iframe';
+ cframe = dojo.doc.createElement(ifrstr);
+ with(cframe){
+ name = fname;
+ setAttribute("name", fname);
+ id = fname;
+ }
+ dojo.body().appendChild(cframe);
+ window[fname] = cframe;
+
+ with(cframe.style){
+ if(dojo.isSafari < 3){
+ //We can't change the src in Safari 2.0.3 if absolute position. Bizarro.
+ position = "absolute";
+ }
+ left = top = "1px";
+ height = width = "1px";
+ visibility = "hidden";
+ }
+
+ if(!dojo.isIE){
+ this.setSrc(cframe, turi, true);
+ cframe.onload = new Function(onloadstr);
+ }
+
+ return cframe;
+ },
+
+ setSrc: function(/*DOMNode*/iframe, /*String*/src, /*Boolean*/replace){
+ //summary:
+ // Sets the URL that is loaded in an IFrame. The replace parameter
+ // indicates whether location.replace() should be used when
+ // changing the location of the iframe.
+ try{
+ if(!replace){
+ if(dojo.isSafari){
+ iframe.location = src;
+ }else{
+ frames[iframe.name].location = src;
+ }
+ }else{
+ // Fun with DOM 0 incompatibilities!
+ var idoc;
+ if(dojo.isIE || dojo.isSafari > 2){
+ idoc = iframe.contentWindow.document;
+ }else if(dojo.isSafari){
+ idoc = iframe.document;
+ }else{ // if(d.isMozilla){
+ idoc = iframe.contentWindow;
+ }
+
+ //For Safari (at least 2.0.3) and Opera, if the iframe
+ //has just been created but it doesn't have content
+ //yet, then iframe.document may be null. In that case,
+ //use iframe.location and return.
+ if(!idoc){
+ iframe.location = src;
+ return;
+ }else{
+ idoc.location.replace(src);
+ }
+ }
+ }catch(e){
+ console.debug("dojo.io.iframe.setSrc: ", e);
+ }
+ },
+
+ doc: function(/*DOMNode*/iframeNode){
+ //summary: Returns the document object associated with the iframe DOM Node argument.
+ var doc = iframeNode.contentDocument || // W3
+ (
+ (
+ (iframeNode.name) && (iframeNode.document) &&
+ (document.getElementsByTagName("iframe")[iframeNode.name].contentWindow) &&
+ (document.getElementsByTagName("iframe")[iframeNode.name].contentWindow.document)
+ )
+ ) || // IE
+ (
+ (iframeNode.name)&&(document.frames[iframeNode.name])&&
+ (document.frames[iframeNode.name].document)
+ ) || null;
+ return doc;
+ },
+
+ /*=====
+ dojo.io.iframe.__ioArgs = function(kwArgs){
+ // summary:
+ // All the properties described in the dojo.__ioArgs type, apply
+ // to this type. The following additional properties are allowed
+ // for dojo.io.iframe.send():
+ // method: String?
+ // The HTTP method to use. "GET" or "POST" are the only supported
+ // values. It will try to read the value from the form node's
+ // method, then try this argument. If neither one exists, then it
+ // defaults to POST.
+ // handleAs: String?
+ // Specifies what format the result data should be given to the
+ // load/handle callback. Valid values are: text, html, javascript,
+ // json. IMPORTANT: For all values EXCEPT html, The server
+ // response should be an HTML file with a textarea element. The
+ // response data should be inside the textarea element. Using an
+ // HTML document the only reliable, cross-browser way this
+ // transport can know when the response has loaded. For the html
+ // handleAs value, just return a normal HTML document. NOTE: xml
+ // or any other XML type is NOT supported by this transport.
+ // content: Object?
+ // If "form" is one of the other args properties, then the content
+ // object properties become hidden form form elements. For
+ // instance, a content object of {name1 : "value1"} is converted
+ // to a hidden form element with a name of "name1" and a value of
+ // "value1". If there is not a "form" property, then the content
+ // object is converted into a name=value&name=value string, by
+ // using dojo.objectToQuery().
+ }
+ =====*/
+
+ send: function(/*dojo.io.iframe.__ioArgs*/args){
+ //summary: function that sends the request to the server.
+ //This transport can only process one send() request at a time, so if send() is called
+ //multiple times, it will queue up the calls and only process one at a time.
+ if(!this["_frame"]){
+ this._frame = this.create(this._iframeName, dojo._scopeName + ".io.iframe._iframeOnload();");
+ }
+
+ //Set up the deferred.
+ var dfd = dojo._ioSetArgs(
+ args,
+ function(/*Deferred*/dfd){
+ //summary: canceller function for dojo._ioSetArgs call.
+ dfd.canceled = true;
+ dfd.ioArgs._callNext();
+ },
+ function(/*Deferred*/dfd){
+ //summary: okHandler function for dojo._ioSetArgs call.
+ var value = null;
+ try{
+ var ioArgs = dfd.ioArgs;
+ var dii = dojo.io.iframe;
+ var ifd = dii.doc(dii._frame);
+ var handleAs = ioArgs.handleAs;
+
+ //Assign correct value based on handleAs value.
+ value = ifd; //html
+ if(handleAs != "html"){
+ value = ifd.getElementsByTagName("textarea")[0].value; //text
+ if(handleAs == "json"){
+ value = dojo.fromJson(value); //json
+ }else if(handleAs == "javascript"){
+ value = dojo.eval(value); //javascript
+ }
+ }
+ }catch(e){
+ value = e;
+ }finally{
+ ioArgs._callNext();
+ }
+ return value;
+ },
+ function(/*Error*/error, /*Deferred*/dfd){
+ //summary: errHandler function for dojo._ioSetArgs call.
+ dfd.ioArgs._hasError = true;
+ dfd.ioArgs._callNext();
+ return error;
+ }
+ );
+
+ //Set up a function that will fire the next iframe request. Make sure it only
+ //happens once per deferred.
+ dfd.ioArgs._callNext = function(){
+ if(!this["_calledNext"]){
+ this._calledNext = true;
+ dojo.io.iframe._currentDfd = null;
+ dojo.io.iframe._fireNextRequest();
+ }
+ }
+
+ this._dfdQueue.push(dfd);
+ this._fireNextRequest();
+
+ //Add it the IO watch queue, to get things like timeout support.
+ dojo._ioWatch(
+ dfd,
+ function(/*Deferred*/dfd){
+ //validCheck
+ return !dfd.ioArgs["_hasError"];
+ },
+ function(dfd){
+ //ioCheck
+ return (!!dfd.ioArgs["_finished"]);
+ },
+ function(dfd){
+ //resHandle
+ if(dfd.ioArgs._finished){
+ dfd.callback(dfd);
+ }else{
+ dfd.errback(new Error("Invalid dojo.io.iframe request state"));
+ }
+ }
+ );
+
+ return dfd;
+ },
+
+ _currentDfd: null,
+ _dfdQueue: [],
+ _iframeName: dojo._scopeName + "IoIframe",
+
+ _fireNextRequest: function(){
+ //summary: Internal method used to fire the next request in the bind queue.
+ try{
+ if((this._currentDfd)||(this._dfdQueue.length == 0)){ return; }
+ var dfd = this._currentDfd = this._dfdQueue.shift();
+ var ioArgs = dfd.ioArgs;
+ var args = ioArgs.args;
+
+ ioArgs._contentToClean = [];
+ var fn = dojo.byId(args["form"]);
+ var content = args["content"] || {};
+ if(fn){
+ if(content){
+ // if we have things in content, we need to add them to the form
+ // before submission
+ for(var x in content){
+ if(!fn[x]){
+ var tn;
+ if(dojo.isIE){
+ tn = dojo.doc.createElement("<input type='hidden' name='"+x+"'>");
+ }else{
+ tn = dojo.doc.createElement("input");
+ tn.type = "hidden";
+ tn.name = x;
+ }
+ tn.value = content[x];
+ fn.appendChild(tn);
+ ioArgs._contentToClean.push(x);
+ }else{
+ fn[x].value = content[x];
+ }
+ }
+ }
+ //IE requires going through getAttributeNode instead of just getAttribute in some form cases,
+ //so use it for all. See #2844
+ var actnNode = fn.getAttributeNode("action");
+ var mthdNode = fn.getAttributeNode("method");
+ var trgtNode = fn.getAttributeNode("target");
+ if(args["url"]){
+ ioArgs._originalAction = actnNode ? actnNode.value : null;
+ if(actnNode){
+ actnNode.value = args.url;
+ }else{
+ fn.setAttribute("action",args.url);
+ }
+ }
+ if(!mthdNode || !mthdNode.value){
+ if(mthdNode){
+ mthdNode.value= (args["method"]) ? args["method"] : "post";
+ }else{
+ fn.setAttribute("method", (args["method"]) ? args["method"] : "post");
+ }
+ }
+ ioArgs._originalTarget = trgtNode ? trgtNode.value: null;
+ if(trgtNode){
+ trgtNode.value = this._iframeName;
+ }else{
+ fn.setAttribute("target", this._iframeName);
+ }
+ fn.target = this._iframeName;
+ fn.submit();
+ }else{
+ // otherwise we post a GET string by changing URL location for the
+ // iframe
+ var tmpUrl = args.url + (args.url.indexOf("?") > -1 ? "&" : "?") + ioArgs.query;
+ this.setSrc(this._frame, tmpUrl, true);
+ }
+ }catch(e){
+ dfd.errback(e);
+ }
+ },
+
+ _iframeOnload: function(){
+ var dfd = this._currentDfd;
+ if(!dfd){
+ this._fireNextRequest();
+ return;
+ }
+
+ var ioArgs = dfd.ioArgs;
+ var args = ioArgs.args;
+ var fNode = dojo.byId(args.form);
+
+ if(fNode){
+ // remove all the hidden content inputs
+ var toClean = ioArgs._contentToClean;
+ for(var i = 0; i < toClean.length; i++) {
+ var key = toClean[i];
+ if(dojo.isSafari < 3){
+ //In Safari (at least 2.0.3), can't use form[key] syntax to find the node,
+ //for nodes that were dynamically added.
+ for(var j = 0; j < fNode.childNodes.length; j++){
+ var chNode = fNode.childNodes[j];
+ if(chNode.name == key){
+ dojo._destroyElement(chNode);
+ break;
+ }
+ }
+ }else{
+ dojo._destroyElement(fNode[key]);
+ fNode[key] = null;
+ }
+ }
+
+ // restore original action + target
+ if(ioArgs["_originalAction"]){
+ fNode.setAttribute("action", ioArgs._originalAction);
+ }
+ if(ioArgs["_originalTarget"]){
+ fNode.setAttribute("target", ioArgs._originalTarget);
+ fNode.target = ioArgs._originalTarget;
+ }
+ }
+
+ ioArgs._finished = true;
+ }
+}
+
+}
projects / eow / blobdiff