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Patch OpenLayers to make URL rewriting easier

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This provides a single routine that can be overridden to rewrite
all image URLs to use the asset pipeine.
This commit is contained in:
Tom Hughes 2011-12-30 18:32:53 +00:00
parent a46e526cd7
commit da78800060
2 changed files with 11 additions and 46 deletions
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41
app/assets/javascripts/openlayers.js.erb
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@ -28,43 +28,8 @@ OpenLayers.Util.imageURLs = {
"img/zoom-world-mini.png": "<%= asset_path 'img/zoom-world-mini.png' %>"
};
OpenLayers.Util.origCreateDiv = OpenLayers.Util.createDiv;
OpenLayers.Util.origGetImageLocation = OpenLayers.Util.getImageLocation;
OpenLayers.Util.createDiv = function(id, px, sz, imgURL, position,
border, overflow, opacity) {
imgURL = OpenLayers.Util.imageURLs[imgURL] || imgURL;
return OpenLayers.Util.origCreateDiv(id, px, sz, imgURL, position,
border, overflow, opacity);
};
OpenLayers.Util.origCreateImage = OpenLayers.Util.createImage;
OpenLayers.Util.createImage = function(id, px, sz, imgURL, position, border,
opacity, delayDisplay) {
imgURL = OpenLayers.Util.imageURLs[imgURL] || imgURL;
return OpenLayers.Util.origCreateImage(id, px, sz, imgURL, position,
border, opacity, delayDisplay);
};
OpenLayers.Util.origModifyAlphaImageDiv = OpenLayers.Util.modifyAlphaImageDiv;
OpenLayers.Util.modifyAlphaImageDiv = function(div, id, px, sz, imgURL,
position, border, sizing,
opacity) {
imgURL = OpenLayers.Util.imageURLs[imgURL] || imgURL;
return OpenLayers.Util.origModifyAlphaImageDiv(div, id, px, sz, imgURL,
position, border, sizing,
opacity);
};
OpenLayers.Tile.Image.clear = function() {
if (this.imgDiv) {
this.hide();
if (OpenLayers.Tile.Image.useBlankTile) {
this.imgDiv.src = "<%= asset_path 'img/blank.gif' %>";
}
}
OpenLayers.Util.getImageLocation = function(image) {
return OpenLayers.Util.imageURLs[image] || OpenLayers.Util.origGetImageLocation(image);
};