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+if(!dojo._hasResource["dojox.widget.FileInputAuto"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.widget.FileInputAuto"] = true;
+dojo.provide("dojox.widget.FileInputAuto");
+
+dojo.require("dojox.widget.FileInput");
+dojo.require("dojo.io.iframe");
+
+dojo.declare("dojox.widget.FileInputAuto",
+ dojox.widget.FileInput,
+ {
+ // summary: An extension on dojox.widget.FileInput providing background upload progress
+ //
+ // description: An extended version of FileInput - when the user focuses away from the input
+ // the selected file is posted via dojo.io.iframe to the url. example implementation
+ // comes with PHP solution for handling upload, and returning required data.
+ //
+ // notes: the return data from the io.iframe is used to populate the input element with
+ // data regarding the results. it will be a JSON object, like:
+ //
+ // results = { size: "1024", filename: "file.txt" }
+ //
+ // all the parameters allowed to dojox.widget.FileInput apply
+
+ // url: String
+ // the URL where our background FileUpload will be sent
+ url: "",
+
+ // blurDelay: Integer
+ // time in ms before an un-focused widget will wait before uploading the file to the url="" specified
+ // default: 2 seconds
+ blurDelay: 2000,
+
+ // duration: Integer
+ // The time in ms to use as the generic timing mechanism for the animations
+ // set to 1 or 0 for "immediate respose"
+ duration: 500,
+
+ // uploadMessage: String
+ //
+ // FIXME: i18n somehow?
+ uploadMessage: "Uploading ...",
+
+ _sent: false,
+
+ // small template changes, new attachpoint: overlay
+ templateString:"<div class=\"dijitFileInput\">\n\t<input id=\"${id}\" name=\"${name}\" class=\"dijitFileInputReal\" type=\"file\" dojoAttachPoint=\"fileInput\" />\n\t<div class=\"dijitFakeInput\" dojoAttachPoint=\"fakeNodeHolder\">\n\t\t<input class=\"dijitFileInputVisible\" type=\"text\" dojoAttachPoint=\"focusNode, inputNode\" />\n\t\t<div class=\"dijitInline dijitFileInputText\" dojoAttachPoint=\"titleNode\">${label}</div>\n\t\t<div class=\"dijitInline dijitFileInputButton\" dojoAttachPoint=\"cancelNode\" dojoAttachEvent=\"onclick:_onClick\">${cancelText}</div>\n\t</div>\n\t<div class=\"dijitProgressOverlay\" dojoAttachPoint=\"overlay\">&nbsp;</div>\n</div>\n",
+
+ startup: function(){
+ // summary: add our extra blur listeners
+ this._blurListener = dojo.connect(this.fileInput,"onblur",this,"_onBlur");
+ this._focusListener = dojo.connect(this.fileInput,"onfocus",this,"_onFocus");
+ this.inherited("startup",arguments);
+ },
+
+ _onFocus: function(){
+ // summary: clear the upload timer
+ if(this._blurTimer){ clearTimeout(this._blurTimer); }
+ },
+
+ _onBlur: function(){
+ // summary: start the upload timer
+ if(this._blurTimer){ clearTimeout(this._blurTimer); }
+ if(!this._sent){
+ this._blurTimer = setTimeout(dojo.hitch(this,"_sendFile"),this.blurDelay);
+ }
+ },
+
+
+ setMessage: function(/*String*/title){
+ // summary: set the text of the progressbar
+
+ // FIXME: this throws errors in IE?!?!?!? egads.
+ if(!dojo.isIE){ this.overlay.innerHTML = title; }
+ },
+
+ _sendFile: function(/* Event */e){
+ // summary: triggers the chain of events needed to upload a file in the background.
+ if(!this.fileInput.value || this._sent){ return; }
+
+ dojo.style(this.fakeNodeHolder,"display","none");
+ dojo.style(this.overlay,"opacity","0");
+ dojo.style(this.overlay,"display","block");
+
+ this.setMessage(this.uploadMessage);
+
+ dojo.fadeIn({ node: this.overlay, duration:this.duration }).play();
+
+ var _newForm;
+ if(dojo.isIE){
+ // just to reiterate, IE is a steaming pile of code.
+ _newForm = document.createElement('<form enctype="multipart/form-data" method="post">');
+ _newForm.encoding = "multipart/form-data";
+
+ }else{
+ // this is how all other sane browsers do it
+ _newForm = document.createElement('form');
+ _newForm.setAttribute("enctype","multipart/form-data");
+ }
+ _newForm.appendChild(this.fileInput);
+ dojo.body().appendChild(_newForm);
+
+ dojo.io.iframe.send({
+ url: this.url+"?name="+this.name,
+ form: _newForm,
+ handleAs: "json",
+ handle: dojo.hitch(this,"_handleSend")
+ });
+ },
+
+ _handleSend: function(data,ioArgs){
+ // summary: The callback to toggle the progressbar, and fire the user-defined callback
+ if(!dojo.isIE){
+ // otherwise, this throws errors in ie? FIXME:
+ this.overlay.innerHTML = "";
+ }
+
+ this._sent = true;
+ dojo.style(this.overlay,"opacity","0");
+ dojo.style(this.overlay,"border","none");
+ dojo.style(this.overlay,"background","none");
+
+ this.overlay.style.backgroundImage = "none";
+ this.fileInput.style.display = "none";
+ this.fakeNodeHolder.style.display = "none";
+ dojo.fadeIn({ node:this.overlay, duration:this.duration }).play(250);
+
+ dojo.disconnect(this._blurListener);
+ dojo.disconnect(this._focusListener);
+
+ this.onComplete(data,ioArgs,this);
+ },
+
+ _onClick: function(e){
+ // summary: accomodate our extra focusListeners
+ if(this._blurTimer){ clearTimeout(this._blurTimer); }
+
+ dojo.disconnect(this._blurListener);
+ dojo.disconnect(this._focusListener);
+
+ this.inherited("_onClick",arguments);
+
+ this._blurListener = dojo.connect(this.fileInput,"onblur",this,"_onBlur");
+ this._focusListener = dojo.connect(this.fileInput,"onfocus",this,"_onFocus");
+ },
+
+ onComplete: function(data,ioArgs,widgetRef){
+ // summary: stub function fired when an upload has finished.
+ // data: the raw data found in the first [TEXTAREA] tag of the post url
+ // ioArgs: the dojo.Deferred data being passed from the handle: callback
+ // widgetRef: this widget pointer, so you can set this.overlay to a completed/error message easily
+ }
+});
+
+dojo.declare("dojox.widget.FileInputBlind",
+ dojox.widget.FileInputAuto,
+ {
+ // summary: An extended version of dojox.widget.FileInputAuto
+ // that does not display an input node, but rather only a button
+ // and otherwise behaves just like FileInputAuto
+
+ startup: function(){
+ // summary: hide our fileInput input field
+ this.inherited("startup",arguments);
+ this._off = dojo.style(this.inputNode,"width");
+ this.inputNode.style.display = "none";
+ this._fixPosition();
+ },
+
+ _fixPosition: function(){
+ // summary: in this case, set the button under where the visible button is
+ if(dojo.isIE){
+ dojo.style(this.fileInput,"width","1px");
+ }else{
+ dojo.style(this.fileInput,"left","-"+(this._off)+"px");
+ }
+ },
+
+ _onClick: function(e){
+ // summary: onclick, we need to reposition our newly created input type="file"
+ this.inherited("_onClick",arguments);
+ this._fixPosition();
+ }
+});
+
+}