[OpenLayers-Dev] Class.inherit

[Eric Lemoine]

On Friday, February 11, 2011, Slawomir Messner
<slawomir.messner at staff.uni-marburg.de> wrote:
> Hi,
> I updated our version of OpenLayers to svn trunk. Now I get the following error:
> P is undefined
> I debugged a lot and there seems to be a problem with classes which inherit from a class which is not directly inherits form Class, like ZoomPanel where this error occurs first. Then I tried to fix it with adding OpenLayers.Control as first inherit class:
> OpenLayers.Control.ZoomPanel = OpenLayers.Class(OpenLayers.Control,OpenLayers.Control.Panel,...
> this works but then the next class came where the parent class is not Control or Class it self. So I edited all of them (I was not expect that this is the solution but I was interested what next comes). The next thing was that the Navigation control couldn't initialize the DragPan. OL.Control.DragPan was undefined.
> This was the point where I rollback the changes till the update and tried it with several older versions of Class, OpenLayers.js but nothing helped, the error was OpenLayers is undefined.
> In hope someone can help me so I don't have to rollback before the update and we can stay compatible with the new trunk.


Hi. Could you please provide a small example (with actual code)
demonstrating the problem? We haven't seen any problem with the new
Class impl. until now.


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Eric Lemoine

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