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Put backbuffer below all layers, except when panning

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This commit is contained in:
ahocevar
2012-12-18 13:48:16 +01:00
parent 0b8deb11a2
commit afe53aba7d
2 changed files with 10 additions and 4 deletions
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10
lib/OpenLayers/Layer/Grid.js
View File

@@ -695,7 +695,11 @@ OpenLayers.Layer.Grid = OpenLayers.Class(OpenLayers.Layer.HTTPRequest, {
if(!backBuffer) {
return;
}
this.div.insertBefore(backBuffer, this.div.firstChild);
if (resolution === this.gridResolution) {
this.div.insertBefore(backBuffer, this.div.firstChild);
} else {
this.map.layerContainerDiv.insertBefore(backBuffer, this.map.baseLayer.div);
}
this.backBuffer = backBuffer;
// set some information in the instance for subsequent
@@ -775,7 +779,9 @@ OpenLayers.Layer.Grid = OpenLayers.Class(OpenLayers.Layer.HTTPRequest, {
delete this._transitionElement;
}
if(this.backBuffer) {
this.div.removeChild(this.backBuffer);
if (this.backBuffer.parentNode) {
this.backBuffer.parentNode.removeChild(this.backBuffer);
}
this.backBuffer = null;
this.backBufferResolution = null;
if(this.backBufferTimerId !== null) {

4
tests/Layer/Grid.html
View File

@@ -1043,7 +1043,7 @@
layer.applyBackBuffer(2);
t.ok(layer.backBuffer === backBuffer,
'back buffer set in layer');
t.ok(layer.div.firstChild === backBuffer,
t.ok(map.layerContainerDiv.firstChild === backBuffer,
'back buffer inserted as first child');
t.eq(layer.backBuffer.style.left, '250px',
'back buffer has correct left');
@@ -1063,7 +1063,7 @@
layer.applyBackBuffer(2);
t.ok(layer.backBuffer === backBuffer,
'back buffer set in layer');
t.ok(layer.div.firstChild === backBuffer,
t.ok(map.layerContainerDiv.firstChild === backBuffer,
'back buffer inserted as first child');
t.eq(layer.backBuffer.style.left, '230px',
'back buffer has correct left');