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Avoid undefined url.

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This commit is contained in:
Tim Schaub
2012-04-03 16:49:23 -10:00
parent 5c597de900
commit 2582e762b7
1 changed files with 4 additions and 2 deletions
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lib/OpenLayers/Control/CacheWrite.js
+4 -2
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@@ -173,11 +173,13 @@ OpenLayers.Control.CacheWrite = OpenLayers.Class(OpenLayers.Control, {
try { try {
var canvasContext = tile.getCanvasContext(); var canvasContext = tile.getCanvasContext();
if (canvasContext) { if (canvasContext) {
var urlMap = OpenLayers.Control.CacheWrite.urlMap;
var url = urlMap[tile.url] || tile.url;
window.localStorage.setItem( window.localStorage.setItem(
"olCache_" + OpenLayers.Control.CacheWrite.urlMap[tile.url], "olCache_" + url,
canvasContext.canvas.toDataURL(this.imageFormat) canvasContext.canvas.toDataURL(this.imageFormat)
); );
delete OpenLayers.Control.CacheWrite.urlMap[tile.url]; delete urlMap[tile.url];
} }
} catch(e) { } catch(e) {
// local storage full or CORS violation // local storage full or CORS violation