/**
 * @author Marco Alionso Ramirez, marco@onemarco.com
 * @version 1.0
 * The Tooltip class is an addon designed for the Google
 * Maps GMarker class.
 */

// Thank you to Marco Alionso Ramirez from onemarco.com for the following code

function Tooltip(marker, text, padding, main){
	this.marker_ = marker;
	this.text_ = text;
	this.padding_ = padding;
	this.main_ = main;
}

Tooltip.prototype = new GOverlay();
Tooltip.prototype.main_ = "sub";

Tooltip.prototype.initialize = function(map){
	var div = document.createElement("div");
	var contents = document.createElement("span");
	contents.innerHTML = this.text_;
	div.appendChild(contents);
	div.className = 'map_tooltip';
	div.style.position = 'absolute';
	div.style.visibility = 'hidden';
	map.getPane(G_MAP_FLOAT_PANE).appendChild(div);
	this.map_ = map;
	this.div_ = div;
}

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

Tooltip.prototype.copy = function(){
	return new Tooltip(this.marker_,this.text_,this.padding_);
}

Tooltip.prototype.redraw = function(force){
	if (!force) return;
	var markerPos = this.map_.fromLatLngToDivPixel(this.marker_.getPoint());
	var iconAnchor = this.marker_.getIcon().iconAnchor;
	if(this.main_ == "sub"){
		var xPos = Math.round(markerPos.x - this.div_.clientWidth / 2);
		var yPos = markerPos.y - iconAnchor.y - this.div_.clientHeight - this.padding_;
	}else{
		var xPos = Math.round(markerPos.x - this.div_.clientWidth / 2);
		var yPos = markerPos.y - 200;
	}
	this.div_.style.top = yPos + 'px';
	this.div_.style.left = xPos + 'px';
}

Tooltip.prototype.show = function(){
	this.div_.style.visibility = 'visible';
}

Tooltip.prototype.hide = function(){
	this.div_.style.visibility = 'hidden';
}