//v.2.1 build 90226

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
To use this component please contact sales@dhtmlx.com to obtain license
*/
//please beware that function started from _in_header_ must not be obfuscated



/**
*   @desc: filter grid by mask
*   @type: public
*   @param: column - {number} zero based index of column
*   @param: value - {string} filtering mask
*   @param: preserve - {bool} filter current or initial state ( false by default )
*	@edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.filterBy=function(column, value, preserve){
	this._filters_ready();
	if (this.isTreeGrid()) return this.filterTreeBy(column, value, preserve);
	if (this._f_rowsBuffer){
		if (!preserve){
			this.rowsBuffer=dhtmlxArray([].concat(this._f_rowsBuffer));
			if (this._fake) this._fake.rowsBuffer=this.rowsBuffer;
		}
		} else
			this._f_rowsBuffer=[].concat(this.rowsBuffer);	//backup copy
	
		
	if (!this.rowsBuffer.length) return;
	var d=true;
	this.dma(true)
	if (typeof(column)=="object")
		for (var j=0; j<value.length; j++)
			this._filterA(column[j],value[j]);
	else
			this._filterA(column,value);
	this.dma(false)
	if (this.pagingOn && this.rowsBuffer.length/this.rowsBufferOutSize < this.currentPage) this.changePage(0);
	this._reset_view();
	this.callEvent("onGridReconstructed",[])
}
dhtmlXGridObject.prototype._filterA=function(column,value){ 
	if (value=="") return;
	var d=true;
	if (typeof(value)=="function") d=false;
	else value=(value||"").toString().toLowerCase();
	if (!this.rowsBuffer.length) return;
	
	for (var i=this.rowsBuffer.length-1; i>=0; i--)
		if (d?(this._get_cell_value(this.rowsBuffer[i],column).toString().toLowerCase().indexOf(value)==-1):(!value(this._get_cell_value(this.rowsBuffer[i],column),this.rowsBuffer[i].idd)))
			this.rowsBuffer.splice(i,1);//filter row
}

dhtmlXGridObject.prototype.getFilterElement=function(index){
	if (!this.filters) return;
	for (var i=0; i < this.filters.length; i++) {
		if (this.filters[i][1]==index)
			return (this.filters[i][0].combo||this.filters[i][0]);
	};
	return null;
}

/**
*   @desc: get all possible values in column
*   @type: public
*   @param: column - {number} zero based index of column
*   @returns: {array} array of all possible values in column
*	@edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.collectValues=function(column){
	var value=this.callEvent("onCollectValues",[column]);
	if (value!==true) return value;
	
	if (this.isTreeGrid()) return this.collectTreeValues(column);
	this.dma(true)
	this._build_m_order();		
	column=this._m_order?this._m_order[column]:column;
	var c={}; var f=[];
	var col=this._f_rowsBuffer||this.rowsBuffer;
	for (var i=0; i<col.length; i++){
		var val=this._get_cell_value(col[i],column);
		if (val && (!col[i]._childIndexes || col[i]._childIndexes[column]!=col[i]._childIndexes[column-1])) c[val]=true;
	}

	this.dma(false)
	
	var vals=this.combos[column];
	for (d in c) 
		if (c[d]===true) f.push(vals?(vals.get(d)||d):d);
	
	return f.sort();			
}

dhtmlXGridObject.prototype._build_m_order=function(){
	if (this._c_order){
		this._m_order=[]
		for (var i=0; i < this._c_order.length; i++) {
			this._m_order[this._c_order[i]]=i;
		};
	}
}
/**
*   @desc: force grid filtering by registered inputs ( created by # starting shortcuts, or by makeFilter function )
*   @type: public
*	@edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.filterByAll=function(){
	var a=[];
	var b=[];
	this._build_m_order();

	for (var i=0; i<this.filters.length; i++){
		
		var ind=this._m_order?this._m_order[this.filters[i][1]]:this.filters[i][1];
		b.push(ind);
		
		
		var val=this.filters[i][0]._filter?this.filters[i][0]._filter():this.filters[i][0].value;
		var vals;
		if (typeof val != "function" && (vals=this.combos[ind])){
			ind=vals.values._dhx_find(val);
			val=(ind==-1)?val:vals.keys[ind];
		}
		a.push(val);
		
	}
	if (!this.callEvent("onFilterStart",[b,a])) return;
	this.filterBy(b,a);
	if (this._cssEven) this._fixAlterCss();
	this.callEvent("onFilterEnd",[this.filters]);
}

/**
*   @desc: create a filter from any input element (text filter), select (dropdown) or DIV (combobox based on dhtmlxCombo)
*   @type: public
*   @param: id - {string|object} input id or input html object
*   @param: column - {number} index of column
*   @param: preserve - {bool} filter current state or initial one ( false by default )
*	@edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.makeFilter=function(id,column,preserve){
	if (!this.filters) this.filters=[];
	if (typeof(id)!="object")
		id=document.getElementById(id);
	if(!id) return;
	var self=this;
	
	if (!id.style.width) id.style.width = "90%";
		
	if (id.tagName=='SELECT'){
		this.filters.push([id,column]);
		this._loadSelectOptins(id,column);
		id.onchange=function(){
			self.filterByAll();
		}
		if(_isIE)
			id.style.marginTop="1px";
			
		this.attachEvent("onEditCell",function(stage,a,ind){ 
			this._build_m_order();
			if (stage==2 && this.filters && ( this._m_order?(ind==this._m_order[column]):(ind==column) ))
				this._loadSelectOptins(id,column);
			return true;
		});
	} 
	else if (id.tagName=='INPUT'){
		this.filters.push([id,column]);
		id.value='';
		id.onkeydown=function(){
			if (this._timer) window.clearTimeout(this._timer);
			this._timer=window.setTimeout(function(){
				self.filterByAll();
			},500);
		};
	}
	else if (id.tagName=='DIV' && id.className=="combo"){
		this.filters.push([id,column]);
		id.style.padding="0px";id.style.margin="0px";
		if (!window.dhx_globalImgPath) window.dhx_globalImgPath=this.imgURL;
		var z=new dhtmlXCombo(id,"_filter","90%");
		z.filterSelfA=z.filterSelf;
		z.filterSelf=function(){
			if (this.getSelectedIndex()==0) this.setComboText("");
			this.filterSelfA.apply(this,arguments);
			this.optionsArr[0].hide(false);	
		}
         
         
		z.enableFilteringMode(true);
		id.combo=z;
		id.value="";
		
		this._loadComboOptins(id,column);
		z.attachEvent("onChange",function(){
			id.value=z.getSelectedValue();
			self.filterByAll();
		});
	}
	if (id.parentNode)
		id.parentNode.className+=" filter";
	
	this._filters_ready(); //set event handlers
}
	/**
	*   @desc: find cell in grid by value
	*   @param: value - search string
	*   @param: c_ind - index of column to search in (optional. if not specified, then search everywhere)
	*   @param: first - fins only first occurence
	*   @edition: Professional
	*   @returns: array each member of which contains array with row ID  and cell index
	*   @type:  public
	*/
	dhtmlXGridObject.prototype.findCell=function(value, c_ind, first){ 
		var res = new Array();
		value=value.toString().toLowerCase();
	
		if (!this.rowsBuffer.length)
			return res;
	
		for (var i = (c_ind||0); i < this._cCount; i++){
			if (this._h2)
				this._h2.forEachChild(0,function(el){
					if (this._get_cell_value(el.buff,i).toString().toLowerCase().indexOf(value) != -1){
						res.push([el.id,i]);
						if (first) return res;
					}
						
				},this)
			else
				for (var j=0; j < this.rowsBuffer.length; j++) 
					if (this._get_cell_value(this.rowsBuffer[j],i).toString().toLowerCase().indexOf(value) != -1){
						res.push([this.rowsBuffer[j].idd,i]);
						if (first) return res;
					}
						
			
		
			if (typeof (c_ind) != "undefined")
				return res;
		}
	
		return res;
	}
	
/**
*   @desc: create a search box (set selection to the row with found value) from any input
*   @type: public
*   @param: id - {string|object} input id or input html object
*   @param: column - {number} index of column
*	@edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.makeSearch=function(id,column){
	if (typeof(id)!="object")
		id=document.getElementById(id);
	if(!id) return;
	var self=this;
		
	if (id.tagName=='INPUT'){
		id.onkeypress=function(){
			if (this._timer) window.clearTimeout(this._timer);
			this._timer=window.setTimeout(function(){
				if (id.value=="") return;
				var z=self.findCell(id.value,column,true);
				if (z.length){
					if (self._h2)
						self.openItem(z[0][0]);
					self.setSelectedRow(z[0][0])
				}
			},500);
		};
	}
	if (id.parentNode)
		id.parentNode.className+=" filter";
}
	
dhtmlXGridObject.prototype._loadSelectOptins=function(t,c){ 
		var l=this.collectValues(c);
		t.innerHTML="";
		t.options[0]=new Option("","");
		var f=this._filter_tr?this._filter_tr[c]:null;
		for (var i=0; i<l.length; i++)
			t.options[t.options.length]=new Option(f?f(l[i]):l[i],l[i]);
}
dhtmlXGridObject.prototype.setSelectFilterLabel=function(ind,fun){ 
		if (!this._filter_tr) this._filter_tr=[];
		this._filter_tr[ind]=fun;
}

dhtmlXGridObject.prototype._loadComboOptins=function(t,c){ 
	var l=this.collectValues(c);
		t.combo.clearAll();
		t.combo.render(false);
		t.combo.addOption("","&nbsp;");
		for (var i=0; i<l.length; i++)
			t.combo.addOption(l[i],l[i]);
		t.combo.render(true);
}

/**
*   @desc: refresh filtering ( can be used if data in grid changed and filters need to be updated )
*   @type: public
*	@edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.refreshFilters=function(){
	if (this.filters)
	for (var i=0; i<this.filters.length; i++){
		switch(this.filters[i][0].tagName.toLowerCase()){
			case "input":
				break;
			case "select":
				this._loadSelectOptins.apply(this,this.filters[i]);
				break;
			case "div":
				this._loadComboOptins.apply(this,this.filters[i]);
				break;
		}
	}
}

dhtmlXGridObject.prototype._filters_ready=function(fl,code){
	this.attachEvent("onXLE",this.refreshFilters);
	this.attachEvent("onClearAll",function(){ 
	    this._f_rowsBuffer=null; 
		if (!this.obj.rows.length)
			this.filters=[];
	});
	if (window.dhtmlXCombo)
		this.attachEvent("onScroll",dhtmlXCombo.prototype.closeAll);
	
	this._filters_ready=function(){};
}

dhtmlXGridObject.prototype._in_header_text_filter=function(t,i){
	t.innerHTML="<input type='text' style='width:90%; font-size:8pt; font-family:Tahoma; -moz-user-select:text; '>";
	t.onclick=t.onmousedown = function(e){ (e||event).cancelBubble=true; return true; }
	t.onselectstart=function(){ return (event.cancelBubble=true); }
	this.makeFilter(t.firstChild,i);
}

dhtmlXGridObject.prototype._in_header_text_filter_inc=function(t,i){
	t.innerHTML="<input type='text' style='width:90%; font-size:8pt; font-family:Tahoma; -moz-user-select:text; '>";
	t.onclick=t.onmousedown = function(e){ (e||event).cancelBubble=true; return true; }
	t.onselectstart=function(){ return (event.cancelBubble=true); }
	this.makeFilter(t.firstChild,i);
	t.firstChild._filter=function(){ return function(val){
		return (val.toString().toLowerCase().indexOf(t.firstChild.value.toLowerCase())==0); 
	}}
	this._filters_ready();
}

dhtmlXGridObject.prototype._in_header_select_filter=function(t,i){
	t.innerHTML="<select style='width:90%; font-size:8pt; font-family:Tahoma;'></select>";
	t.onclick=function(e){ (e||event).cancelBubble=true; return false; }
	this.makeFilter(t.firstChild,i);
}

dhtmlXGridObject.prototype._in_header_select_filter_strict=function(t,i){
	t.innerHTML="<select style='width:90%; font-size:8pt; font-family:Tahoma;'></select>";
	t.onclick=function(e){ (e||event).cancelBubble=true; return false; }
	this.makeFilter(t.firstChild,i);
	var cs=this.combos;
	t.firstChild._filter=function(){ 
		var vn;
		if (cs[i])
			vn=cs[i].keys[cs[i].values._dhx_find(t.firstChild.value)];
		else 
			vn=t.firstChild.value.toLowerCase()
		return function(val){
		if (t.firstChild.value.toLowerCase() == "") return true;
			return (val.toString().toLowerCase()==vn); 
		}
	}
	this._filters_ready();
}

dhtmlXGridObject.prototype._in_header_combo_filter=function(t,i){
	t.innerHTML="<div style='width:100%; padding-left:2px; overflow:hidden; font-size:8pt; font-family:Tahoma; -moz-user-select:text;' class='combo'></div>";
	t.onselectstart=function(){ return (event.cancelBubble=true); }
	t.onclick=t.onmousedown=function(e){ (e||event).cancelBubble=true; return true; }
	this.makeFilter(t.firstChild,i);
}

dhtmlXGridObject.prototype._in_header_text_search=function(t,i){
	t.innerHTML="<input type='text' style='width:90%; font-size:8pt; font-family:Tahoma; -moz-user-select:text;'>";
	t.onclick= t.onmousedown = function(e){ (e||event).cancelBubble=true; return true; }
	t.onselectstart=function(){ return (event.cancelBubble=true); }
	this.makeSearch(t.firstChild,i);
}

dhtmlXGridObject.prototype._in_header_numeric_filter=function(t,i){
	this._in_header_text_filter.call(this,t,i);
	t.firstChild._filter=function(){
		var v=this.value;
		
		var r; var op="=="; var num=parseFloat(v.replace("=","")); var num2=null;
		
		if (v){
			if (v.indexOf("..")!=-1){
				v=v.split("..");
				num=parseFloat(v[0]);
				num2=parseFloat(v[1]);
				return function(v){
					if (v>=num && v<=num2) return true;
					return false;
					}
			}
			r=v.match(/>=|>|<=|</)
			if (r) {
				op=r[0];
				num=parseFloat(v.replace(op,""));
			}
			return Function("v"," if (v "+op+" "+num+" ) return true; return false;");
		}
	};
}

dhtmlXGridObject.prototype._in_header_master_checkbox=function(t,i,c){
	t.innerHTML=c[0]+"<input type='checkbox' />"+c[1];
	var self=this;
	t.firstChild.onclick=function(e){
		self._build_m_order();
		var j=self._m_order?self._m_order[i]:i;
		var val=this.checked?1:0;
		self.forEachRow(function(id){
			var c=this.cells(id,j);
			if (c.isCheckbox()) c.setValue(val);
		});
		(e||event).cancelBubble=true;
	}
}

dhtmlXGridObject.prototype._in_header_stat_total=function(t,i,c){
	var calck=function(){
		var summ=0;
		for (var j=0; j<this.rowsBuffer.length; j++){
			var v=parseFloat(this._get_cell_value(this.rowsBuffer[j],i));
			summ+=isNaN(v)?0:v;
		}
		
		return this._maskArr[i]?this._aplNF(summ,i):(Math.round(summ*100)/100);
	}
	this._stat_in_header(t,calck,i,c,c);
}
dhtmlXGridObject.prototype._in_header_stat_multi_total=function(t,i,c){
	var cols=c[1].split(":"); c[1]="";
	for(var k = 0; k < cols.length;k++){
		cols[k]=parseInt(cols[k]);
	}
	var calck=function(){
		var summ=0;
		for (var j=0; j<this.rowsBuffer.length; j++){
			var v = 1;
			for(var k = 0; k < cols.length;k++){
				v *= parseFloat(this._get_cell_value(this.rowsBuffer[j],cols[k]))
			}
			summ+=isNaN(v)?0:v;
		}
		return this._maskArr[i]?this._aplNF(summ,i):(Math.round(summ*100)/100);
	}
	var track=[];
	for(var i = 0; i < cols.length;i++){
		track[cols[i]]=true;
	}
	this._stat_in_header(t,calck,track,c,c);
}
dhtmlXGridObject.prototype._in_header_stat_max=function(t,i,c){
	var calck=function(){
		var summ=-999999999;
		if (this.getRowsNum()==0) return "&nbsp;";
		for (var j=0; j<this.rowsBuffer.length; j++)
			summ=Math.max(summ,parseFloat(this._get_cell_value(this.rowsBuffer[j],i)));
		
		return this._maskArr[i]?this._aplNF(summ,i):summ;
	}
	this._stat_in_header(t,calck,i,c);
}
dhtmlXGridObject.prototype._in_header_stat_min=function(t,i,c){
	var calck=function(){
		var summ=999999999;
		if (this.getRowsNum()==0) return "&nbsp;";
		for (var j=0; j<this.rowsBuffer.length; j++)
			summ=Math.min(summ,parseFloat(this._get_cell_value(this.rowsBuffer[j],i)));
		return this._maskArr[i]?this._aplNF(summ,i):summ;
	}
	this._stat_in_header(t,calck,i,c);
}
dhtmlXGridObject.prototype._in_header_stat_average=function(t,i,c){
	var calck=function(){
		var summ=0; var count=0;
		if (this.getRowsNum()==0) return "&nbsp;";
		for (var j=0; j<this.rowsBuffer.length; j++){
			var v=parseFloat(this._get_cell_value(this.rowsBuffer[j],i));
			summ+=isNaN(v)?0:v;
			count++;
		}
		return this._maskArr[i]?this._aplNF(summ/count,i):(Math.round(summ/count*100)/100);
	}
	this._stat_in_header(t,calck,i,c);
}
dhtmlXGridObject.prototype._in_header_stat_count=function(t,i,c){
	var calck=function(){
		return this.getRowsNum();
	}
	this._stat_in_header(t,calck,i,c);
}

dhtmlXGridObject.prototype._stat_in_header=function(t,calck,i,c){
	var that=this;
	var f=function(){
		this.dma(true)
		t.innerHTML=(c[0]?c[0]:"")+calck.call(this)+(c[1]?c[1]:"");
		this.dma(false)
		this.callEvent("onStatReady",[])
	}
	if (!this._stat_events) {
		this._stat_events=[];
		this.attachEvent("onClearAll",function(){ 
			if (!this.hdr.rows[1]){
				for (var i=0; i<this._stat_events.length; i++)
					for (var j=0; j < 4; j++) 
						this.detachEvent(this._stat_events[i][j]);
				this._stat_events=[];	
			}
		})
	}
	
	this._stat_events.push([
	this.attachEvent("onGridReconstructed",f),
	this.attachEvent("onXLE",f),
	this.attachEvent("onFilterEnd",f),
	this.attachEvent("onEditCell",function(stage,id,ind){
		if (stage==2 && ( ind==i || ( i && i[ind]) ) ) f.call(this);
		return true;
		})]);
	t.innerHTML="";
}



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