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When trying to deactivate a control from within that control's featureAdded

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event, a null exception is encountered. A null check fixes this bug. (Closes
#1143)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@5433 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2007-12-15 21:29:06 +00:00
parent f746ed4211
commit 7881c2099a
4 changed files with 22 additions and 5 deletions
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4
lib/OpenLayers/Handler/Path.js
View File

@@ -79,7 +79,9 @@ OpenLayers.Handler.Path = OpenLayers.Class(OpenLayers.Handler.Point, {
*/
destroyFeature: function() {
OpenLayers.Handler.Point.prototype.destroyFeature.apply(this);
this.line.destroy();
if(this.line) {
this.line.destroy();
}
this.line = null;
},

4
lib/OpenLayers/Handler/Point.js
View File

@@ -138,7 +138,9 @@ OpenLayers.Handler.Point = OpenLayers.Class(OpenLayers.Handler, {
* Destroy the temporary geometries
*/
destroyFeature: function() {
this.point.destroy();
if(this.point) {
this.point.destroy();
}
this.point = null;
},

4
lib/OpenLayers/Handler/Polygon.js
View File

@@ -65,7 +65,9 @@ OpenLayers.Handler.Polygon = OpenLayers.Class(OpenLayers.Handler.Path, {
*/
destroyFeature: function() {
OpenLayers.Handler.Path.prototype.destroyFeature.apply(this);
this.polygon.destroy();
if(this.polygon) {
this.polygon.destroy();
}
this.polygon = null;
},

15
lib/OpenLayers/Layer/EventPane.js
View File

@@ -237,8 +237,6 @@ OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
if ( !(newCenter.equals(oldCenter)) ||
!(newZoom == oldZoom) ) {
var center = this.getMapObjectLonLatFromOLLonLat(newCenter);
if (dragging && this.dragPanMapObject &&
this.smoothDragPan) {
var resolution = this.map.getResolution();
@@ -246,6 +244,7 @@ OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
var dY = (newCenter.lat - oldCenter.lat) / resolution;
this.dragPanMapObject(dX, dY);
} else {
var center = this.getMapObjectLonLatFromOLLonLat(newCenter);
var zoom = this.getMapObjectZoomFromOLZoom(newZoom);
this.setMapObjectCenter(center, zoom, dragging);
}
@@ -280,6 +279,18 @@ OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
var moPixel = this.getMapObjectPixelFromOLPixel(viewPortPx);
var moLonLat = this.getMapObjectLonLatFromMapObjectPixel(moPixel);
lonlat = this.getOLLonLatFromMapObjectLonLat(moLonLat);
var xrem = this.map.size.w % 2;
var yrem = this.map.size.h % 2;
if(xrem != 0 || yrem != 0) {
// odd sized viewport
var olPx = viewPortPx.add(xrem, yrem);
var moPx = this.getMapObjectPixelFromOLPixel(olPx);
var moLoc = this.getMapObjectLonLatFromMapObjectPixel(moPx);
var olLoc = this.getOLLonLatFromMapObjectLonLat(moLoc);
// adjust by half a pixel in odd dimension(s)
lonlat.lon += (olLoc.lon - lonlat.lon) / 2;
lonlat.lat += (olLoc.lat - lonlat.lat) / 2;
}
}
return lonlat;
},