// Version 0.2      the .copy() parameters were wrong
// version 1.0      added .show() .hide() .setContents() .setPoint() .setOpacity() .overlap
// version 1.1      Works with GMarkerManager in v2.67, v2.68, v2.69, v2.70 and v2.71
// version 1.2      Works with GMarkerManager in v2.72, v2.73, v2.74 and v2.75
// version 1.3      add .isHidden()
// version 1.4      permit .hide and .show to be used before addOverlay()
// version 1.5      fix positioning bug while label is hidden
// version 1.6      added .supportsHide()
// version 1.7      fix .supportsHide()

function ELabel(point, html, classname, pixelOffset, percentOpacity, overlap, color) {
	// Mandatory parameters
	this.point = point;
	this.html = html;

	// Optional parameters
	this.classname = classname ? classname : 'label_region';
	this.color = color ? color : {}; //color:'#FFFFFF',fill_color:'#FF0000',line_color:'#FF0000'};
	this.pixelOffset = pixelOffset||new GSize(0,0);
	if (percentOpacity) {
	  if(percentOpacity<0){percentOpacity=0;}
	  if(percentOpacity>100){percentOpacity=100;}
	}
	this.percentOpacity = percentOpacity;
	this.overlap=overlap||false;
	this.hidden = false;
}

ELabel.prototype = new GOverlay();

ELabel.prototype.initialize = function(map) {
	var me = this;
	var div = document.createElement("div");
	div.style.position = "absolute";
	if(this.classname) div.className = this.classname;
	//div.innerHTML = '<div class="' + this.classname + '">' + this.html + '</div>' ;
	div.innerHTML = this.html;
	if(this.color.color) div.style.color = this.color.color;
	if(this.color.fill_color) div.style.backgroundColor = this.color.fill_color;
	if(this.color.line_color) {
		div.style.borderColor = this.color.line_color;
		div.style.borderWidth = '1px';
		div.style.borderStyle = 'solid';
	}
	map.getPane(G_MAP_FLOAT_SHADOW_PANE).appendChild(div);
	this.map_ = map;
	this.div_ = div;
	if (this.percentOpacity) {
	  //if(typeof(div.style.filter)=='string'){div.style.filter='alpha(opacity:'+this.percentOpacity+')';}
	  if(typeof(div.style.KHTMLOpacity)=='string'){div.style.KHTMLOpacity=this.percentOpacity/100;}
	  if(typeof(div.style.MozOpacity)=='string'){div.style.MozOpacity=this.percentOpacity/100;}
	  if(typeof(div.style.opacity)=='string'){div.style.opacity=this.percentOpacity/100;}
	}
	if (this.overlap) {
	  var z = GOverlay.getZIndex(this.point.lat());
	  this.div_.style.zIndex = z;
	}
	if (this.hidden) {
	  this.hide();
	}
	GEvent.addDomListener(div, "click", function(event) {
		GEvent.trigger(me, "click");
	});
	GEvent.addDomListener(div, "mouseover", function() {
		me.bringToFront_();
	});
	GEvent.addDomListener(div, "mouseout", function() {
		me.sendBack_();
	});
}

ELabel.prototype.remove = function() {
this.div_.parentNode.removeChild(this.div_);
}

ELabel.prototype.copy = function() {
return new ELabel(this.point, this.html, this.classname, this.pixelOffset, this.percentOpacity, this.overlap);
}

ELabel.prototype.redraw = function(force) {
var p = this.map_.fromLatLngToDivPixel(this.point);
var h = parseInt(this.div_.clientHeight);
this.div_.style.left = (p.x + this.pixelOffset.width) + "px";
this.div_.style.top = (p.y +this.pixelOffset.height - h) + "px";
}

ELabel.prototype.show = function() {
if (this.div_) {
  this.div_.style.display="";
  this.redraw();
}
this.hidden = false;
}

ELabel.prototype.hide = function() {
if (this.div_) {
  this.div_.style.display="none";
}
this.hidden = true;
}

ELabel.prototype.isHidden = function() {
return this.hidden;
}

ELabel.prototype.supportsHide = function() {
return true;
}

ELabel.prototype.setContents = function(html) {
this.html = html;
this.div_.innerHTML = '<div class="' + this.classname + '">' + this.html + '</div>' ;
this.redraw(true);
}

ELabel.prototype.getPoint = function(point) {
	return this.point;
}
ELabel.prototype.setPoint = function(point) {
this.point = point;
if (this.overlap) {
  var z = GOverlay.getZIndex(this.point.lat());
  this.div_.style.zIndex = z;
}
this.redraw(true);
}
ELabel.prototype.setColor = function(color) {
	if(color.color) this.div_.style.color = color.color;
	if(color.fill_color) this.div_.style.backgroundColor = color.fill_color;
	//if(color.line_color) this.div_.style.borderColor = color.line_color;
}
ELabel.prototype.setOpacity = function(percentOpacity) {
if (percentOpacity) {
  if(percentOpacity<0){percentOpacity=0;}
  if(percentOpacity>100){percentOpacity=100;}
}
this.percentOpacity = percentOpacity;
if (this.percentOpacity) {
  //if(typeof(this.div_.style.filter)=='string'){this.div_.style.filter='alpha(opacity:'+this.percentOpacity+')';}
  if(typeof(this.div_.style.KHTMLOpacity)=='string'){this.div_.style.KHTMLOpacity=this.percentOpacity/100;}
  if(typeof(this.div_.style.MozOpacity)=='string'){this.div_.style.MozOpacity=this.percentOpacity/100;}
  if(typeof(this.div_.style.opacity)=='string'){this.div_.style.opacity=this.percentOpacity/100;}
}
}
ELabel.prototype.bringToFront_ = function() {
  var z = GOverlay.getZIndex(this.point.lat());
  this.div_.style.zIndex = 1e9;
}

ELabel.prototype.sendBack_ = function() {
  var z = GOverlay.getZIndex(this.point.lat());
  this.div_.style.zIndex = z;
}