Location: A review of cardiac cellular electrophysiology models @ f6a8f9030738 / dojo-presentation / js / dojo / dojox / form / FileInput.js

Author:

David Nickerson <nickerso@users.sourceforge.net>

Date:

2009-07-16 02:00:03+12:00

Desc:

the starting point for the HH tutorial example

Permanent Source URI:

https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/form/FileInput.js

dojo.provide("dojox.form.FileInput");
dojo.experimental("dojox.form.FileInput"); 

dojo.require("dijit.form._FormWidget");
dojo.require("dijit._Templated"); 

dojo.declare("dojox.form.FileInput",
	dijit.form._FormWidget,
	{
	// summary: A styled input type="file"
	//
	// description: A input type="file" form widget, with a button for uploading to be styled via css,
	//	a cancel button to clear selection, and FormWidget mixin to provide standard dijit.form.Form
	//	support (FIXME: maybe not fully implemented) 

	// label: String
	//	the title text of the "Browse" button
	label: "Browse ...",

	// cancelText: String
	//	the title of the "Cancel" button
	cancelText: "Cancel",

	// name: String
	//	ugh, this should be pulled from this.domNode
	name: "uploadFile",

	templatePath: dojo.moduleUrl("dojox.form","resources/FileInput.html"),
	
	startup: function(){
		// summary: listen for changes on our real file input
		this._listener = this.connect(this.fileInput,"onchange","_matchValue");
		this._keyListener = this.connect(this.fileInput,"onkeyup","_matchValue");
	},

	_matchValue: function(){
		// summary: set the content of the upper input based on the semi-hidden file input
		this.inputNode.value = this.fileInput.value;
		if(this.inputNode.value){
			this.cancelNode.style.visibility = "visible";
			dojo.fadeIn({ node: this.cancelNode, duration:275 }).play();
		}
	},

	setLabel: function(/* String */label,/* String? */cssClass){
		// summary: method to allow use to change button label
		this.titleNode.innerHTML = label;
	},

	reset: function(/* Event */e){
		// summary: on click of cancel button, since we can't clear the input because of
		// 	security reasons, we destroy it, and add a new one in it's place.
		this.disconnect(this._listener);
		this.disconnect(this._keyListener);
		if(this.fileInput){
			this.domNode.removeChild(this.fileInput);
		}
		dojo.fadeOut({ node: this.cancelNode, duration:275 }).play(); 

		// should we use cloneNode()? can we?
		this.fileInput = document.createElement('input');
		// dojo.attr(this.fileInput,{
		//	"type":"file", "id":this.id, "name": this.name	
		//});
		this.fileInput.setAttribute("type","file");
		this.fileInput.setAttribute("id", this.id);
		this.fileInput.setAttribute("name", this.name);
		dojo.addClass(this.fileInput,"dijitFileInputReal");
		this.domNode.appendChild(this.fileInput);

		this._keyListener = this.connect(this.fileInput, "onkeyup", "_matchValue");
		this._listener = this.connect(this.fileInput, "onchange", "_matchValue"); 
		this.inputNode.value = ""; 
	}

});