[OpenLayers-Users] Labels/Tooltips on mouse over a Vector layer

[Sajeer...]

you can register this function for click event by replacing hover:true  with
hover:false    *  *



Regards

Sajeer



On Thu, Jul 16, 2009 at 3:38 PM, Adrian Popa
<adrian_gh.popa at romtelecom.ro>wrote:

> Hello Sajeer,
>
> How do you register your functions to events so that they are executed on
> mouse over instead of on click? Or is your popup created when you click a
> feature?
>
> Thanks,
> Adrian
>
>
> Sajeer... wrote:
>
>  *
>
> Hi,
>
> try this one,
>
>
>
>
>
> function
> *onFeatureSelect(feature) {
>
> selectedFeature = feature;
>
> popup =
> *new*
> OpenLayers.Popup.FramedCloud("",
>
> feature.geometry.getBounds().getCenterLonLat(),
> *new* OpenLayers.Size(100,100), "<div style='padding:15px 5px 5px 10px;'>"+
> "<table style='font-size:13px;color:red'>"+ "<tr>"+ "<td
> width='40%'>Name</td>"+ "<td width='5%'>:</td>"+ "<td>"
> +feature.attributes.label+"</td>"+ "</tr>"+ "</table></div>", *null*, *
> true*, onPopupClose);
>
> feature.popup = popup;
> map.addPopup(popup);
>
> }
> *function* onPopupClose(evt) {
>
> selectControl.unselect(selectedFeature);
>
> }
> *function* onFeatureUnselect(feature) {
>
> *      *map.removePopup(feature.popup);
>
> feature.popup.destroy();
>
> feature.popup = *null*;
>
> }
>
> var  kmlLayer = new OpenLayers.Layer.GML(.............);
>
> var selectControl = *new* OpenLayers.Control.SelectFeature(kmlLayer,
>
> {hover: *true*,onSelect: onFeatureSelect, onUnselect: onFeatureUnselect});
>
> map.addControl(selectControl);
>
> selectControl.activate();
>
> Regards
>
> Sajeer
>
>
>
> On Thu, Jul 16, 2009 at 3:07 PM, Adrian Popa <adrian_gh.popa at romtelecom.ro
> > wrote:
>
>> Hello Pavel,
>>
>> Great idea... However - I would like to keep popups for when I click on an
>> item.
>> Would it be possible to do something like:
>>
>> layer.events.on({ "featureselected": onLocationSelect,
>> "featureunselected": onLocationUnselect,  //open regular popups
>>                                   "onMouseOver": onLocationMouseOver,
>> "onMouseOut": onLocationMouseOut
>>  });?
>>
>> Problem is - I don't see those kinds of events on my layer. These are the
>> event types for a vector layer:
>> 0 "beforefeatureadded" 1 "beforefeaturesadded"
>> 2 "featureadded"
>> 3 "featuresadded"
>> 4 "beforefeatureremoved"
>> 5 "featureremoved"
>> 6 "featuresremoved"
>> 7 "beforefeatureselected"
>> 8 "featureselected"
>> 9 "featureunselected"
>> 10 "beforefeaturemodified"
>> 11 "featuremodified"
>> 12 "afterfeaturemodified"
>> 13 "vertexmodified"
>> 14 "sketchstarted"
>> 15 "sketchmodified"
>> 16 "sketchcomplete"
>> 17 "refresh"
>> 18 "loadstart"
>> 19 "loadend"
>> 20 "loadcancel"
>> 21 "visibilitychanged"
>> 22 "move"
>> 23 "moveend"
>>
>> Any idea what the events would be? If they are supported?
>>
>> Pavel Iacovlev wrote:
>>
>> There many possible ways around this problem.
>>
>> One is rewrite/extend your popup code. Popup is triggered on mouseover
>> and on mouseout popup is hidden. You can style the popup so it looks
>> more like a tooltip/label.
>>
>> On Thu, Jul 16, 2009 at 2:34 PM, Adrian
>> Popa<adrian_gh.popa at romtelecom.ro> <adrian_gh.popa at romtelecom.ro> wrote:
>>
>>
>>  Hi,
>>
>> Just a quick question - my users want to see the name of the city when
>> they are hovering over points loaded through KML in a vector layer. I
>> know this isn't supported, but are there plans to support such labels?
>>
>> I'm thinking a different strategy might be to override/inherit the
>> OpenLayers.Control.MousePosition class and based on coordinate changes,
>> load the name from the closest KML feature. It doesn't need to be too
>> accurate, but it can't be an exact match, because the mouse will never
>> get that close to the KML coordinates.
>> However this solution will be costly - because on every mouse move you
>> would have to go through all the KML items and see which match...
>>
>> What are your ideas regarding this subject?
>>
>> ---
>>
>> Adrian Popa
>> NOC Division
>> Network Engineer
>> Divizia Centrul National de Operare Retea
>> Departament Transport IP & Metro
>> Compartiment IP Core & Backbone
>> Phone: +40 21 400 3099
>>
>> _______________________________________________
>> Users mailing listUsers at openlayers.orghttp://openlayers.org/mailman/listinfo/users
>>
>>
>>
>> --
>> ---
>> Adrian Popa
>> NOC Division
>> Network Engineer
>> Divizia Centrul National de Operare Retea
>> Departament Transport IP & Metro
>> Compartiment IP Core & Backbone
>> Phone: +40 21 400 3099
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at openlayers.org
>> http://openlayers.org/mailman/listinfo/users
>>
>>
>
>
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