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If we turn on the zooming tool, then click on the panzoombar in IE,

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because the click drops through (Why god Why?!) we get an error telling
us that evt.xy doesn't exist, so we wrap it in an if statement which
protects us. (Deliver us, o if statement, from IEvil...) 


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.0@1358 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2006-08-24 15:07:18 +00:00
parent 1f9cb14069
commit fb663b5127
1 changed files with 25 additions and 23 deletions
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48
lib/OpenLayers/Control/MouseDefaults.js
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@@ -166,29 +166,31 @@ OpenLayers.Control.MouseDefaults.prototype =
*
*/
zoomBoxEnd: function(evt) {
if (Math.abs(this.mouseDragStart.x - evt.xy.x) > 5 ||
Math.abs(this.mouseDragStart.y - evt.xy.y) > 5) {
var start = this.map.getLonLatFromViewPortPx( this.mouseDragStart );
var end = this.map.getLonLatFromViewPortPx( evt.xy );
var top = Math.max(start.lat, end.lat);
var bottom = Math.min(start.lat, end.lat);
var left = Math.min(start.lon, end.lon);
var right = Math.max(start.lon, end.lon);
var bounds = new OpenLayers.Bounds(left, bottom, right, top);
var zoom = this.map.getZoomForExtent(bounds);
this.map.setCenter(new OpenLayers.LonLat(
(start.lon + end.lon) / 2,
(start.lat + end.lat) / 2
), zoom);
} else {
var end = this.map.getLonLatFromViewPortPx( evt.xy );
this.map.setCenter(new OpenLayers.LonLat(
(end.lon),
(end.lat)
), this.map.getZoom() + 1);
}
this.map.viewPortDiv.removeChild(document.getElementById("zoomBox"));
this.zoomBox = null;
if (this.mouseDragStart != null) {
if (Math.abs(this.mouseDragStart.x - evt.xy.x) > 5 ||
Math.abs(this.mouseDragStart.y - evt.xy.y) > 5) {
var start = this.map.getLonLatFromViewPortPx( this.mouseDragStart );
var end = this.map.getLonLatFromViewPortPx( evt.xy );
var top = Math.max(start.lat, end.lat);
var bottom = Math.min(start.lat, end.lat);
var left = Math.min(start.lon, end.lon);
var right = Math.max(start.lon, end.lon);
var bounds = new OpenLayers.Bounds(left, bottom, right, top);
var zoom = this.map.getZoomForExtent(bounds);
this.map.setCenter(new OpenLayers.LonLat(
(start.lon + end.lon) / 2,
(start.lat + end.lat) / 2
), zoom);
} else {
var end = this.map.getLonLatFromViewPortPx( evt.xy );
this.map.setCenter(new OpenLayers.LonLat(
(end.lon),
(end.lat)
), this.map.getZoom() + 1);
}
this.map.viewPortDiv.removeChild(document.getElementById("zoomBox"));
this.zoomBox = null;
}
},