[OpenLayers-Users] "hover: true" together with callback "over"
problem
Daniel Kastl
orkney at gmx.de
Thu May 14 21:35:53 EDT 2009
Christopher Schmidt schrieb:
> On Fri, May 15, 2009 at 09:43:51AM +0900, Daniel Kastl wrote:
>
>> Hi list,
>>
>> I have a problem with hovering over features of my vector layer.
>> When moving over a feature with the mouse, the icon should resize, so I
>> did this in StyleMap:
>>
>> var myLayer = new OpenLayers.Layer.Vector( "Vector Layer", {
>> styleMap: new OpenLayers.StyleMap({
>> 'default': new OpenLayers.Style({
>> pointRadius: 20,
>> externalGraphic: 'img/icon.png'
>> }),
>> 'select': new OpenLayers.Style({
>> pointRadius: 24
>> })
>> })
>> });
>>
>> Additionally I wanted to open a popup (or do something else) when my
>> mouse is over a feature, so I add this control:
>>
>> var select = new OpenLayers.Control.SelectFeature( myLayer, {
>> hover: true,
>> callbacks: {
>> over: function(e){
>> console.info(e);
>> }
>> },
>> });
>> map.addControl(select);
>> select.activate();
>>
>> Resizing the icon works fine if I only set "hover: true". But when I use
>> "hover" together with "callbacks + over" it just calls the function, but
>> doesn't resize anymore.
>>
>> I'm using GeoExt, so OpenLayers version should be the current 2.8 branch.
>>
>> Can anyone give me an advice what I'm doing wrong or how to solve this?
>> Thanks in advance,
>>
>
> In general, I'd recommend using the featureselected event on the layer.
> The callbacks are likely to be used internally, and you're overriding
> the behavior that ctually does what you want.
>
> http://docs.openlayers.org/library/overlays#interaction
>
> For example.
>
> Best Regards,
>
Hi Chris,
Thank you for this.
It seems to work better now, at least when I click on the feature.
Daniel
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