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PanZoomBar is now a subclass of PanZoom, and can drop a lot of its functions in favor of inheriting from that class. hooray for less code duplication.

Browse Source 
git-svn-id: http://svn.openlayers.org/trunk/openlayers@83 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2006-05-17 03:36:11 +00:00
parent ebcebe6ef7
commit 3dca1fffb6
1 changed files with 4 additions and 74 deletions
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78
lib/OpenLayers/Control/PanZoomBar.js
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@@ -6,18 +6,18 @@
//
OpenLayers.Control.PanZoomBar = Class.create();
OpenLayers.Control.PanZoomBar.prototype =
Object.extend( new OpenLayers.Control(), {
Object.extend( new OpenLayers.Control.PanZoom(), {
// Array(...)
buttons: null,
initialize: function() {
OpenLayers.Control.prototype.initialize.apply(this, arguments);
OpenLayers.Control.PanZoom.prototype.initialize.apply(this, arguments);
},
draw: function() {
this.map.events.register("zoomend", this, this.moveZoomBar);
// initialize our internal div
OpenLayers.Control.prototype.draw.apply(this);
this.map.events.register("zoomend", this, this.moveZoomBar);
// place the controls
this.buttons = new Array();
@@ -116,78 +116,8 @@ OpenLayers.Control.PanZoomBar.prototype =
slider.style.top = (this.map.getZoomLevels() - this.map.getZoom())*15+
parseInt(document.getElementById("OpenLayers_Control_PanZoomBar_Zoombar").style.top) + 3;
},
_addButton:function(id, img, xy, sz) {
var imgLocation = OpenLayers.Util.getImagesLocation() + img;
// var btn = new ol.AlphaImage("_"+id, imgLocation, xy, sz);
var btn = OpenLayers.Util.createImage(
imgLocation, sz, xy, "absolute",
"OpenLayers_Control_PanZoomBar_" + id );
//we want to add the outer div
this.div.appendChild(btn);
btn.onmousedown = this.buttonDown.bindAsEventListener(btn);
btn.ondblclick = this.doubleClick.bindAsEventListener(btn);
btn.action = id;
btn.map = this.map;
//we want to remember/reference the outer div
this.buttons.push(btn);
return btn;
},
doubleClick: function (evt) {
Event.stop(evt);
},
buttonDown: function (evt) {
switch (this.action) {
case "panup":
var resolution = this.map.getResolution();
var center = this.map.getCenter();
this.map.setCenter(
new OpenLayers.LatLon(center.lat + (resolution * 50),
center.lon
)
);
break;
case "pandown":
var resolution = this.map.getResolution();
var center = this.map.getCenter();
this.map.setCenter(
new OpenLayers.LatLon(center.lat - (resolution * 50),
center.lon
)
);
break;
case "panleft":
var resolution = this.map.getResolution();
var center = this.map.getCenter();
this.map.setCenter(
new OpenLayers.LatLon(center.lat,
center.lon - (resolution * 50)
)
);
break;
case "panright":
var resolution = this.map.getResolution();
var center = this.map.getCenter();
this.map.setCenter(
new OpenLayers.LatLon(center.lat,
center.lon + (resolution * 50)
)
);
break;
case "zoomin": this.map.zoomIn(); break;
case "zoomout": this.map.zoomOut(); break;
case "zoomextents": this.map.zoomExtent(); break;
}
Event.stop(evt);
},
destroy: function() {
OpenLayers.Control.prototype.destroy.apply(this, arguments);
for(i=0; i<this.buttons.length; i++) {
this.buttons[i].map = null;
}
OpenLayers.Control.PanZoom.prototype.destroy.apply(this, arguments);
}
});