////////////////////////////////////////////////////////////////////////////
// 共通JavaScriptファイル
// Google Maps ラベル表示用モジュール
// 対象ファイル：index.html
/*
 * 作成日：2008/06/18
 * 作成者：大黒天物産株式会社　経営企画室システム課　山下信治
 */
// TLabel() GMaps API extension copyright 2005-2006 Tom Mangan
// http://gmaps.tommangan.us/tlabel.html
// free for non-commercial use
////////////////////////////////////////////////////////////////////////////


function TLabel(){}

TLabel.prototype.initialize=function(a){
	this.parentMap=a;
	var b=document.createElement('span');
	b.setAttribute('id',this.id);
	b.innerHTML=this.content;
	document.body.appendChild(b);
	b.style.position='absolute';
	b.style.zIndex=1;
	if(this.percentOpacity){this.setOpacity(this.percentOpacity);}
	this.w = document.getElementById(this.id).offsetWidth;
	this.h = document.getElementById(this.id).offsetHeight;
	this.mapTray=a.getPane(G_MAP_MAP_PANE);
	this.mapTray.appendChild(b);
	if(!this.markerOffset){this.markerOffset=new GSize(0,0);}
	this.setPosition();
	GEvent.bind(a,"zoomend",this,function(){this.setPosition()});
	GEvent.bind(a,"moveend",this,function(){this.setPosition()});
}


TLabel.prototype.setPosition=function(a){
	if(a){this.anchorLatLng=a;}
	var b=this.parentMap.fromLatLngToDivPixel(this.anchorLatLng);
	var x=parseInt(b.x);
	var y=parseInt(b.y);
	with(Math){
		switch(this.anchorPoint){
			case 'topLeft':break;
			case 'topCenter':x-=floor(this.w/2);break;
			case 'topRight':x-=this.w;break;
			case 'midRight':x-=this.w;y-=floor(this.h/2);break;
			case 'bottomRight':x-=this.w;y-=this.h;break;
			case 'bottomCenter':x-=floor(this.w/2);y-=this.h;break;
			case 'bottomLeft':y-=this.h;break;
			case 'midLeft':y-=floor(this.h/2);break;
			case 'center':x-=floor(this.w/2);y-=floor(this.h/2);break;
			default:break;
		}
	}
	var d=document.getElementById(this.id);
	d.style.left=x-this.markerOffset.width+'px';
	d.style.top=y-this.markerOffset.height+'px';
}


TLabel.prototype.setOpacity=function(b){
	if(b<0){b=0;} if(b>100){b=100;}
	var c=b/100;
	var d=document.getElementById(this.id);
	if(typeof(d.style.filter)=='string'){d.style.filter='alpha(opacity:'+b+')';}
	if(typeof(d.style.KHTMLOpacity)=='string'){d.style.KHTMLOpacity=c;}
	if(typeof(d.style.MozOpacity)=='string'){d.style.MozOpacity=c;}
	if(typeof(d.style.opacity)=='string'){d.style.opacity=c;}
}


GMap2.prototype.addTLabel=function(a){
	a.initialize(this);
}


GMap2.prototype.removeTLabel=function(a){
	var b=document.getElementById(a.id);
	this.getPane(G_MAP_MAP_PANE).removeChild(b);
	delete(b);
}