include('/jsc/fancy/events.class.js');
function input(obj,invoker)
{
	this.simple_input = quickerElement('input','dynamic_input','','type','text');
	this.multi_input = quickerElement('textarea','dynamic_input','');
	
	this.input;
	
	this.initHeight = 0;
	this.newLineCount = 0;
	
	this.listener;
	this.visible = false;
	
	this.shiftDown = false;
	this.ctrlDown = false;
	this.altDown = false;
	
	this.init = function(obj,invoker,options)
	{
		this.listener = new eventsClass('input');
		this.reset();
		if(options){
			this.options = options;
		}
		
		this.obj = obj;
		this.obj.input = this;
		this.listener.subscribe(invoker);
		
		this.lastValue = this.obj.innerHTML.replace(/<br.?[\/]?>/g,'\n');
		this.lastValue = strip_tags(this.lastValue);
		//this.lastValue = this.lastValue.replace(/(.)[\n]?$/g,'\\1');
		
		if(!this.options.multiplyer){
			this.options.multiplyer = Math.round(getStyle(obj,'font-size','int')*0.7); 
		}
		
		if(this.options.multiline){
			this.input = this.multi_input;
			setStyle(this.input,'width',getRealWidth(this.obj),'px');
		}
		else {
			this.input = this.simple_input;
			setStyle(this.input,'width',this.lastValue.length*this.options.multiplyer+10,'px');
		}
		
		this.input.value = this.lastValue;
		this.input.fancy = this;
		
		this.initHeight = getRealHeight(this.obj);
		setStyle(this.input,'height',this.initHeight,'px');
		
		this.obj.innerHTML = '';
		
		this.input = this.obj.appendChild(this.input);
		
		if(this.options.multiline){
			if(this.input.clientHeight != this.input.scrollHeight){
				setStyle(this.input,'height',this.input.scrollHeight,'px');
			}
		}
		
		this.obj.edit = true;
		this.input.focus();
		this.input.select();

		this.visible = true;
		
		this.listener.trigger('inputinit');
	}
	
	this.reset = function()
	{
		this.options = new Object();
		this.newLineCount = 0;
		this.listener.clear();
		this.shiftDown = false;
		this.ctrlDown = false;
		this.altDown = false;
	}
	
	this.simple_input.onblur =
	this.multi_input.onblur = function(){		
		if(!this.fancy.visible){
			return ;
		}
		
		this.fancy.trigger('blur');
	}
	
	this.onblur = function()
	{
		if(!this.input || !this.visible){
			return false;
		}
		
		if(this.obj.input){
			this.obj.input = false;
		}
		
		this.listener.trigger('inputblur');
		var newValue = strip_tags(this.input.value);
		
		if(this.options.multiline){
			newValue = newValue.replace(/\n/g,"<br />");
		}
		
		if(newValue.replace(/\s/g,'') == ''){
			newValue = this.lastValue;
		}
		if(this.obj){
			this.obj.edit = false;
			this.obj.innerHTML = newValue;
		}
		
		this.visible = false;
		
		this.listener.trigger('editover',{'newValue': newValue, 'oldValue': this.lastValue, 'action': this.options.action});
	}
	
	this.simple_input.onkeydown = 
	this.multi_input.onkeydown = function(e){
		if(!e){
			var e = window.event;
		}
		
		this.fancy.checkKey(true,e);
		
		this.fancy.listener.trigger('keydown',e);
		
		if((e.keyCode == 13 && !this.fancy.options.multiline) || (e.keyCode == 13 && this.fancy.options.multiline && (this.fancy.ctrlDown || this.fancy.shiftDown))){
			return this.onblur();
		}
		
		if(e.keyCode == 27){
			this.value = this.fancy.lastValue;
			return this.onblur();
		}
		
		if(this.value.length > this.fancy.options.maxLength){
			//substring
			this.value.length--;
		}
	}
	
	this.checkKey = function(down,e)
	{
		if(!e){
			var e = window.event;
		}
		switch(e.keyCode){
			case 16: this.shiftDown = down;
			break;
			case 17: this.ctrlDown = down;
			break;
			case 18: this.altDown = down;
			break;
		}
	}
	
	this.simple_input.onkeyup = function(e)
	{
		setStyle(this,'width',this.value.length*this.fancy.options.multiplyer+10,'px');
		this.fancy.checkKey(false,e);
	}
	
	this.multi_input.onkeyup = function(e){
		if(this.clientHeight != this.scrollHeight){
			setStyle(this,'height',this.scrollHeight,'px');
		}
		this.fancy.checkKey(false,e);
	}
}

input.prototype = new simple_object;