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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dojox.form.uploader.Base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.form.uploader.Base"] = true;
dojo.provide("dojox.form.uploader.Base");
dojo.require("dijit._Widget");
dojo.require("dijit._Templated");
dojo.declare("dojox.form.uploader.Base", [dijit._Widget, dijit._Templated], {
//
// Version: 1.6
//
// summary:
// The Base class used for dojox.form.Uploader and dojox.form.uploader.FileList.
//
// description:
// Should not be used as a standalone. To be mixed in with other classes.
//
getForm: function(){
// summary:
// Finds the parent form of the Uploader, if it exists.
//
if(!this.form){
var n = this.domNode;
while(n && n.tagName && n !== document.body){
if(n.tagName.toLowerCase() == "form"){
this.form = n;
break;
}
n = n.parentNode;
}
}
return this.form // Node;
},
getUrl: function(){
// summary:
// Finds the URL to upload to, whether it be the action in the parent form, this.url or
// this.uploadUrl
//
if(this.uploadUrl) this.url = this.uploadUrl;
if(this.url) return this.url;
if(this.getForm()) this.url = this.form.action;
return this.url; // String
},
connectForm: function(){
//console.log("connectForm...", this.url, !!this.uploadUrl, !!this.getForm())
this.url = this.getUrl();
if(!this._fcon && !!this.getForm()){
this._fcon = true;
this.connect(this.form, "onsubmit", function(evt){
dojo.stopEvent(evt);
this.submit(dojo.formToObject(this.form));
});
//console.log("----------------form connected:", this.url)
}
//console.log("form:", this.form, this.url);
},
supports: function(what){
// summary:
// Does feature testing for uploader capabilities. (No browser sniffing - yay)
//
if(!this._hascache){
this._hascache = {
testDiv: dojo.create("div"),
testInput: dojo.create("input", {type:"file"}),
xhr:!!window.XMLHttpRequest ? new XMLHttpRequest() : {}
};
dojo.style(this._hascache.testDiv, "opacity", .7);
}
switch(what){
case "FormData":
return !!window.FormData;
case "sendAsBinary":
return !!this._hascache.xhr.sendAsBinary;
case "opacity":
return dojo.style(this._hascache.testDiv, "opacity") == .7;
case "multiple":
if(this.force == "flash" || this.force == "iframe") return false;
var res = dojo.attr(this._hascache.testInput, "multiple");
return res===true || res===false; // IE will be undefined
}
return false; // Boolean
},
getMimeType: function(){
// summary:
// Returns the mime type that should be used in an HTML5 upload form. Return result
// may change as the current use is very generic.
//
return "application/octet-stream"; //image/gif
},
getFileType: function(/* String */name){
// summary:
// Gets the extension of a file
return name.substring(name.lastIndexOf(".")+1).toUpperCase(); // String
},
convertBytes: function(bytes){
// summary:
// Converts bytes. Returns an object with all conversions. The "value" property is
// considered the most likely desired result.
//
var kb = Math.round(bytes/1024*100000)/100000;
var mb = Math.round(bytes/1048576*100000)/100000;
var gb = Math.round(bytes/1073741824*100000)/100000;
var value = bytes;
if(kb>1) value = kb.toFixed(1)+" kb";
if(mb>1) value = mb.toFixed(1)+" mb";
if(gb>1) value = gb.toFixed(1)+" gb";
return {
kb:kb,
mb:mb,
gb:gb,
bytes:bytes,
value: value
}; // Object
}
});
}
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