[OpenLayers-Users] mousedown

[Greg Ederer]

Is there some way to register a callback to handle mousedown?  I  
really need this to get my user interface working properly.

Cheers,

Greg


On May 5, 2009, at 9:59 AM, Eric Lemoine wrote:

> On Monday, May 4, 2009, Greg Ederer <greg at ergonosis.com> wrote:
>> For reference, here's my code so far:
>>
>>       OpenLayers.Control.Click =  
>> OpenLayers.Class(OpenLayers.Control, {
>>         defaultHandlerOptions: {
>>           'single': true,
>>           'double': false,
>>           'mousedown' : false,
>>           'pixelTolerance': 0,
>>           'stopSingle': false,
>>           'stopDouble': false
>>         },
>>
>>         initialize: function(options)
>>         {
>>           this.handlerOptions = OpenLayers.Util.extend(
>>           {}, this.defaultHandlerOptions
>>             );
>>           OpenLayers.Control.prototype.initialize.apply(
>>             this, arguments
>>             );
>>           this.handler = new OpenLayers.Handler.Click(
>>             this, {
>>               'click': this.onClick,
>>               'dblclick': this.onDblclick,
>>               'mousedown' : this.onMouseDown
>>             }, this.handlerOptions
>>             );
>>         },
>>
>>         onMouseDown : function(evt)
>>         {
>>           alert('hi');
>>         },
>>
>>         ...
>>
>>       var controls = {
>>         "single": new OpenLayers.Control.Click({
>>           hanlerOptions: {
>>             "single": true
>>           }
>>         }),
>>         "mousedown": new OpenLayers.Control.Click({
>>           hanlerOptions: {
>>             "single": true
>>           }
>>         }),
>>         "double": new OpenLayers.Control.Click({
>>           handlerOptions: {
>>             "single": false,
>>             "double": true
>>           }
>>         }),
>>         "both": new OpenLayers.Control.Click({
>>           handlerOptions: {
>>             "single": true,
>>             "double": true
>>           }
>>         }),
>>         "drag": new OpenLayers.Control.Click({
>>           handlerOptions: {
>>             "single": true,
>>             "pixelTolerance": null
>>           }
>>         }),
>>         "stopsingle": new OpenLayers.Control.Click({
>>           handlerOptions: {
>>             "single": true,
>>             "stopSingle": true
>>           }
>>         }),
>>         "stopdouble": new OpenLayers.Control.Click({
>>           handlerOptions: {
>>             "single": false,
>>             "double": true,
>>             "stopDouble": true
>>           }
>>         })
>>       };
>>
>>       var control;
>>       for(var key in controls) {
>>         control = controls[key];
>>         // only to route output here
>>         control.key = key;
>>         this.map.addControl(control);
>>       //console.log('added control: ' + key);
>>       }
>>
>> But, onMouseDown never gets called.
>
> This is expected. The Click handler can be passed "click" and
> "dblclick" callbacks only.
>
> Cheers,
>
>
>
>
>>
>> Greg
>>
>> On May 4, 2009, at 10:16 AM, Greg Ederer wrote:
>>
>>> Hi,
>>>
>>> I need to capture mousedown events on a Map.  I'm using a custom
>>> OpenLayers.Control.Click for click and dblclick.  But, Click does  
>>> not
>>> appear to handle mousedown events.  Any suggestions?
>>>
>>> Thanks!
>>>
>>> Greg
>>> _______________________________________________
>>> Users mailing list
>>> Users at openlayers.org
>>> http://openlayers.org/mailman/listinfo/users
>>
>> _______________________________________________
>> Users mailing list
>> Users at openlayers.org
>> http://openlayers.org/mailman/listinfo/users
>>
>
> -- 
> Eric Lemoine
>
> Camptocamp France SAS
> Savoie Technolac, BP 352
> 73377 Le Bourget du Lac, Cedex
>
> Tel : 00 33 4 79 44 44 96
> Mail : eric.lemoine at camptocamp.com
> http://www.camptocamp.com
>