// Version 0.0  Initial version
function EStyle(stemImage, stemSize, boxClass, boxOffset) {
this.stemImage = stemImage;
this.stemSize = stemSize;
this.boxClass = boxClass;
this.boxOffset = boxOffset;
//this.border = border;

// Known fudge factors are:
// Firefox (1.0.6 and 1.5)    5, -1
// IE 6.0                     0, -1
// Opera 8.54                 3, -1
// Opera 9 prev               4, -1
// Netscape (7.2, 8.0)        5, -1
// Safari                     5, -1        

var agent = navigator.userAgent.toLowerCase();

var fudge = 5;  // assume Netscape if no match found

if (agent.indexOf("opera") > -1) {
  fudge = 3;
}   
if (agent.indexOf("firefox") > -1) {
  fudge = 5;
}   
if (agent.indexOf("safari") > -1) {
  fudge = 5;
}   
if ((agent.indexOf("msie") > -1) && (agent.indexOf("opera") < 1)){
  fudge = 0;
}
this.fudge = fudge;
}

var E_STYLE_1 = new EStyle("../images/EWindow/Stem1.png", new GSize(81,87), "estyle1", new GPoint(-30,87-3));
var E_STYLE_2 = new EStyle("../images/EWindow/Stem2.png", new GSize(81,87), "estyle2", new GPoint(-30,87-1));
var E_STYLE_3 = new EStyle("../images/EWindow/Stem3.png", new GSize(81,87), "estyle3", new GPoint(-30,87-10));
var E_STYLE_4 = new EStyle("../images/EWindow/Stem3.png", new GSize(81,87), "estyle4", new GPoint(-30,87-10));
var E_STYLE_5 = new EStyle("../images/EWindow/Stem1.png", new GSize(81,87), "estyle5", new GPoint(-30,87-3));
var E_STYLE_6 = new EStyle("../images/EWindow/Stem6.png", new GSize(100,50), "estyle6", new GPoint(100-2,20));
var E_STYLE_7 = new EStyle("../images/EWindow/Stem7.png", new GSize(24,24),  "estyle2", new GPoint(-10,23));


function EWindow(map,estyle) {
// parameters
this.map=map;
this.estyle=estyle;
// internal variables
this.visible = false;
// browser - specific variables
this.ie = false;
var agent = navigator.userAgent.toLowerCase();
if ((agent.indexOf("msie") > -1) && (agent.indexOf("opera") < 1)){ this.ie = true} else {this.ie = false}
} 

EWindow.prototype = new GOverlay();

EWindow.prototype.initialize = function(map) {
var div1 = document.createElement("div");
div1.style.position = "absolute";
map.getPane(G_MAP_FLOAT_SHADOW_PANE).appendChild(div1);
var div2 = document.createElement("div");
div2.style.position = "absolute";
div2.style.width = this.estyle.stemSize.width+"px";
map.getPane(G_MAP_FLOAT_SHADOW_PANE).appendChild(div2);
this.div1 = div1;
this.div2 = div2;
}

EWindow.prototype.openOnMap = function(point, html, offset) {
this.offset = offset||new GPoint(0,0);
this.point = point;
this.div1.innerHTML = '<div class="' + this.estyle.boxClass + '"><nobr>' + html + '</nobr></div>';
if (this.ie && this.estyle.stemImage.toLowerCase().indexOf(".png")>-1) {
  var loader = "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.estyle.stemImage+"', sizingMethod='scale');";
  this.div2.innerHTML = '<div style="height:' +this.estyle.stemSize.height+ 'px; width:'+this.estyle.stemSize.width+'px; ' +loader+ '" ></div>';
} else {
  this.div2.innerHTML = '<img src="' + this.estyle.stemImage + '" width="' + this.estyle.stemSize.width +'" height="' + this.estyle.stemSize.height +'">';
}
var z = GOverlay.getZIndex(this.point.lat());
this.div1.style.zIndex = z;
this.div2.style.zIndex = z+1;
this.visible = true;
this.show();
this.redraw(true);
}

EWindow.prototype.openOnMarker = function(marker,html) {
var vx = marker.getIcon().iconAnchor.x - marker.getIcon().infoWindowAnchor.x;
var vy = marker.getIcon().iconAnchor.y - marker.getIcon().infoWindowAnchor.y;
this.openOnMap(marker.getPoint(), html, new GPoint(vx,vy));
}


EWindow.prototype.redraw = function(force) {
if (!this.visible) {return;}
var p = this.map.fromLatLngToDivPixel(this.point);
this.div2.style.left   = (p.x + this.offset.x) + "px";
this.div2.style.bottom = (-p.y + this.offset.y -this.estyle.fudge) + "px";
this.div1.style.left   = (p.x + this.offset.x + this.estyle.boxOffset.x) + "px";
this.div1.style.bottom = (-p.y + this.offset.y + this.estyle.boxOffset.y) + "px";
}

EWindow.prototype.remove = function() {
this.div1.parentNode.removeChild(this.div1);
this.div2.parentNode.removeChild(this.div2);
this.visible = false;
}

EWindow.prototype.copy = function() {
return new EWindow(this.map, this.estyle);
}

EWindow.prototype.show = function() {
this.div1.style.display="";
this.div2.style.display="";
this.visible = true;
}

EWindow.prototype.hide = function() {
this.div1.style.display="none";
this.div2.style.display="none";
this.visible = false;
}