Hi,
On Sep 6, 2010, at 06:50 , crb wrote:
>
> I'm new to OL (and fairly new to JavaScript) and want to create new JS
> classes for my app so that all objects and methods are within the app
> namespace. The classes are not subclasses of OL objects but I'd like to use
> the OL framework since it seems to make sense (maybe not?). I've gotten
> fairly close but I'm not able to define a dot-delimited namespace w/o
> getting 'is not defined' errors.
>
> Here's an example that works using a classname of just 'BaseMap':
>
>
> HTML:
> <html>
> <head>
> <script type="text/javascript" src="myclass.js"></script>
> <script type="text/javascript">
>
> function initBasemap() {
> var myBaseMap = new BaseMap();
> }
>
> </script>
> </head>
> <body onload="initBasemap()">
> <div id="map" class="midmap"></div>
> </body>
> </html>
>
> JAVASCRIPT (myclass.js):
>
> BaseMap = OpenLayers.Class(null,
> {
> map: null,
> layer: null,
> initialize: function() {
> . . .
> },
>
> CLASS_NAME: "BaseMap"
> });
>
>
>
> What I'd like to be able to do us use a class name of
> 'com.mycompany.appname.BaseMap', but if I make those substitutions I get a
> 'com is not defined' error.
You have to define the namespaces before you can add a class to them:
var com = {
mycompany: {
appname: {}
}
};
com.myCompany.appname.BaseMap = OpenLayers.Class(...);
Regards,
Andreas.
>
>
> Am I overlooking something basic? Should I be using something other than
> the OL framework for JS classes? We're also using jQuery for other things
> (DOM manipulation, etc.) and would be willing to use that if it makes more
> sense, but I'd rather not use yet another framework.
>
>
> --
> View this message in context:
> http://osgeo-org.1803224.n2.nabble.com/newbie-q-how-to-create-a-new-class-that-is-not-inherited-tp5502047p5502047.html
> Sent from the OpenLayers Dev mailing list archive at Nabble.com.
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--
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.
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