[OpenLayers-Users] Extensions on OpenLayers code

[Pierre GIRAUD]

For your information, there's currently a method (getLayersByName [1])
that is already written and might match your needs.

http://dev.openlayers.org/apidocs/files/OpenLayers/Map-js.html#OpenLayers.Map.getLayersByName

Regards,
Pierre

On Wed, Apr 2, 2008 at 6:57 PM, Linda Rawson <linda.rawson at gmail.com> wrote:
> I have several custom enhancements I have made to the source code.  With the
> onset of a new release I would like to put these in a separate file and
> "override" the code that is in the release.  For instance I might want to
> add the following function, just an example, it might already be in there to
> Map.js
>
> getLayerByName: function(name) {
>        var foundLayer = null;
>        for (var i = 0; i < this.layers.length; i++) {
>            var layer = this.layers[i];
>            if (layer.name == name) {
>                 foundLayer = layer;
>            }
>        }
>        return foundLayer;
>    },
>
> Would I do something like the following in a .js file to be called after
> Openlayers.js?
>
> Map.prototype.getLayerByName=function(name) {
>        var foundLayer = null;
>        for (var i = 0; i < this.layers.length; i++) {
>            var layer = this.layers[i];
>            if (layer.name == name) {
>                 foundLayer = layer;
>            }
>        }
>        return foundLayer;
>    }
>
> How do you do this?
> --
> Linda Rawson
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