[mapguide-internals] Fwd: Swithing baseMgLayerGroupon/off...fails?
Maksim Sestic
max at geoinova.com
Thu Dec 27 06:58:39 EST 2007
Ivan, thanks a lot for pointing that out.
I was always curious what's the purpose of MgLayer.GetObjectId() function
anyways :-)
Regards,
Maksim Sestic
Ivan Milicevic-3 wrote:
>
> Function promijeniVidljivost looks like this:
>
> function promjeniVidljivost(cb,name,id)
> {
> //gasim layes
> if(document.getElementById(cb).checked == true)
> {
> parent.mapFrame.ShowBaseGroup(name,id,'true');
> }
>
> //palim layer
> else
> {
> parent.mapFrame.ShowBaseGroup(name,id,'false');
> }
> }
>
> If you need further help, just aks.
>
> ________________________________
>
> From: mapguide-internals-bounces at lists.osgeo.org on behalf of Ivan
> Milicevic
> Sent: čet 27.12.2007 12:29
> To: MapGuide Internals Mail List
> Subject: RE: [mapguide-internals] Fwd: Swithing
> baseMgLayerGroupon/off...fails?
>
>
>
> Yes, it's possible!
>
> MgLayerGroupCollection grupa = map.GetLayerGroups();
>
> with grupa.GetItem(i).Name.ToString() you get group layer name and with
> grupa.GetItem(i).GetObjectId() you got group id.
>
> Response.Write("<tr><td class=\"praznaTabela\"><input id=\"cb" + i + "\"
> type=\"checkbox\" checked=\"checked\"
> onclick=javascript:promjeniVidljivost('cb" + i + "','" +
> grupa.GetItem(i).Name.ToString() + "','" + grupa.GetItem(i).GetObjectId()
> + "'); />");
>
> This code snippet returne me a input with checkbox with onmouseclick event
> who calls a function "promijeniVidljivost(checkboxId, groupName, grsupId)
>
> Function promijeniVidljivost looks like this:
>
>
>
> ________________________________
>
> From: mapguide-internals-bounces at lists.osgeo.org on behalf of Maksim
> Sestic
> Sent: čet 27.12.2007 10:06
> To: mapguide-internals at lists.osgeo.org
> Subject: RE: [mapguide-internals] Fwd: Swithing
> baseMgLayerGroupon/off...fails?
>
>
>
>
> If I understood right, ShowBaseGroup() is part of mapFrame? What's
> LayerID,
> how do I obtain one? I'm using JavaScript sparingly and was hoping to get
> this done via .NET wrapper only.
>
> Regards,
> Maksim Sestic
>
>
> Ivan Milicevic-3 wrote:
>>
>> I have founded solution for this problem.
>>
>> look at ShowBaseGroup function in ajaxmappane.templ file, deliver to this
>> function layer id, name and visible status. You can modify this function
>> if you don't use in-bulit legent (I see that you don't).
>>
>> Sorry for "spaming" internals :-)
>>
>> ________________________________
>>
>> From: mapguide-internals-bounces at lists.osgeo.org on behalf of Ivan
>> Milicevic
>> Sent: sri 26.12.2007 23:21
>> To: MapGuide Internals Mail List
>> Subject: RE: [mapguide-internals] Fwd: Swithing base
>> MgLayerGroupon/off...fails?
>>
>>
>>
>> Maksim,
>>
>> now I have the samo problem. Have you resolved it yet?
>>
>> ________________________________
>>
>> From: mapguide-internals-bounces at lists.osgeo.org on behalf of Maksim
>> Sestic
>> Sent: pon 24.12.2007 10:04
>> To: mapguide-internals at lists.osgeo.org
>> Subject: RE: [mapguide-internals] Fwd: Swithing base MgLayerGroup
>> on/off...fails?
>>
>>
>>
>>
>> Event handler is OK, it does triger parent.parent.Refresh()... which is
>> actually mapFrame.Refresh(), so there's no difference.
>>
>> Changing a zoom factor for a pixel won't work in my case since I'm
>> working
>> with predefined scale range. Zooming in/out may take significant amount
>> of
>> time since targeted base layer group contains orthophoto imagery (almost
>> 200
>> Kb per tile). If I perform zoom in + refresh, then zoom back + refresh
>> it'll
>> take twice as much time to complete map refresh operation.
>>
>> Regards,
>> Maksim Sestic
>>
>>
>>
>> Ivan Milicevic-3 wrote:
>>>
>>> Are you sure that paren.parent.Refresh() triggers refreshing?
>>>
>>> Try parent.mapFrame.Refresh()
>>>
>>> Maybe Refres works for "dynamic" layers?
>>>
>>> I had same problem but I resolved it wit paning 1 point to the left.
>>> Never
>>> figured out why Refresno() doesn't work.
>>>
>>> ________________________________
>>>
>>> From: mapguide-internals-bounces at lists.osgeo.org on behalf of Maksim
>>> Sestic
>>> Sent: pon 24.12.2007 9:45
>>> To: mapguide-internals at lists.osgeo.org
>>> Subject: RE: [mapguide-internals] Fwd: Swithing base MgLayerGroup on/off
>>> ...fails?
>>>
>>>
>>>
>>>
>>> That's the most intriguing part - as soon as I perform zoom (not pan,
>>> since
>>> tiles on base layer group are fully precached), targeted layer group
>>> becomes
>>> visible/invisible, as set. I don't get why issuing
>>> parent.parent.Refresh();
>>> won't update it in the first place. Is there some other type of
>>> JavaScript
>>> refresh function available?
>>>
>>> Regards,
>>> Maksim Sestic
>>>
>>>
>>>
>>> Ivan Milicevic-3 wrote:
>>>>
>>>> And when you move a view with pan? The map still hide group?
>>>>
>>>> ________________________________
>>>>
>>>> From: mapguide-internals-bounces at lists.osgeo.org on behalf of Maksim
>>>> Sestic
>>>> Sent: pet 21.12.2007 12:40
>>>> To: mapguide-internals at lists.osgeo.org
>>>> Subject: [mapguide-internals] Fwd: Swithing base MgLayerGroup on/off
>>>> ...
>>>> fails?
>>>>
>>>>
>>>>
>>>>
>>>> I guess I'm missing something, but this won't switch on/off base layer
>>>> group:
>>>>
>>>> Dim map As MgMap = ...get runtime Map...
>>>> Dim layerGroup As MgLayerGroup =
>>>> map.GetLayerGroups.GetItem(layerGroupName)
>>>> layerGroup.SetVisible(True)
>>>> map.Save(...ResourceService...)
>>>>
>>>> and then call JavaScript function parent.parent.Refresh(); from Task
>>>> Pane,
>>>> base layer group gets switched on only in legend pane, but map
>>>> representation won't change. MgLayerGroup doesn't have ForceRefresh()
>>>> method
>>>> like MgLayer.
>>>>
>>>> I'm coding my own Legend TreeView control in AJAX.NET and everything
>>>> else
>>>> in
>>>> it works just fine (dynamic layers, etc), except for the base layer
>>>> groups.
>>>>
>>>> Regards,
>>>> Maksim Sestic
>>>> --
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