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  Classes of Alex Lau  >  Mix2ool  >  js/1mix.progress.js  >  Download  
File: js/1mix.progress.js
Role: Auxiliary data
Content type: text/plain
Description: The progress component
Class: Mix2ool
Web development framework integrated with jQuery
Author: By
Last change:
Date: 4 years ago
Size: 2,569 bytes
 

Contents

Class file image Download
mixElements.append("progress");
document.createElement("progress");
mix.progress = function (elements){
	var progress;
	if (type(elements) == "undefined"){
		progress = $(document.createElement("progress"));
	}else{
		progress = $(elements).filter(function (){
			var el = this.parentNode;
			while (el.nodeType == 1 && el.nodeName.toLowerCase() != "html" && el.nodeName.toLowerCase() != "template")
				el = el.parentNode;
			return (("" + this.nodeName).toLowerCase() == "progress" 
					&& this._mixInit !== true
					&& el.nodeName.toLowerCase() != "template");
					//node name is progress and has not been initialized
		});
	}
	
	progress.each(function (){
		$(this).append("progressbar".$create());
	}).bind("attrChange", function (){
		mix.progress.redraw(this);
	}).each(function (){
		this._mixInit = true;
	}).redraw();
	$(window).resize(function (){
		progress.redraw();
	});
	return progress;
};
mix.progress.redraw = function (el){
	if ($(el).attr("position") == "-1"){
		if (type(el._indeterminateFunc) == "undefined"){
			el._indeterminateFunc = function (){
				var elWidth = $(el).width();
				var barWidth = $(el).find("progressbar").width();
				var newWidth = (barWidth / elWidth + 0.01) * elWidth;
				if (newWidth > elWidth)
					newWidth = 0;
				if (newWidth <= barWidth + 1)
					newWidth++;
				$(el).find("progressbar").css("width", newWidth +"px");
			}
		}
		el._indeterminateFunc.stopTimer().startTimer(50);
	}else{
		if (type(el._indeterminateFunc) != "undefined"){
			el._indeterminateFunc.stopTimer();
		}
		var v = ("" + $(el).attr("value")).toFloat();
		var m = ("" + $(el).attr("max")).toFloat();
		if (isNaN(v))
			v = 0;
		else if (isNaN(m))
			m = 1;
		if (m <= 0)
			m = 1;
		if (v < 0)
			v = 0;
		if (v > m)
			v = m;
		$(el).find("progressbar").css("width", (v/m * $(el).width()) + "px");
	}
};
mix.progress.attr = function (el, name, value){
	if (type(value) == "undefined"){ //getter
		switch (name){
			case "value":
			case "max":
				return el.getAttribute(name);
			break;
			case "position":
				var v = ("" + $(el).attr("value")).toFloat();
				var m = ("" + $(el).attr("max")).toFloat();
				if (isNaN(v) && isNaN(m)){
					return "-1";
				}
				return "" + (v/m);
			break;
		}
		return;
	}
	
	if (name == "value" || name == "max"){
		el.setAttribute(name, value);
		$(el).trigger("attrChange", [name, value]);
		mix.progress.redraw(el);
	}
	
	return value;
};
mix.progress.customAttrList = "value,max,position".split(",");