Options buttons in a layertree

[Darío Rodríguez Cubillo]

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Hi! I have done what Luca said to me:

layertree = [
{text: "Background images",
expanded: false,
radio: true,
radioGrp: 'group1',
children: [
{text: "Orthophoto",
checked: false,
layerName: "Ortho5m"},
{text: "Topographic map",
checked: false,
layerName: "Topo5m"}]},

{text: "Street",
expanded: false,
radio: true,
radioGrp: 'group2',
children: [
{text: "Street Names",
checked: false,
layerName: "Streets"},
{text: "Streets numbers",
checked: false,
layerName: "StreetNumbers"}]},

{text: "Cadastre",
expanded: true,
radio: true,
radioGrp: 'group3',
children: [
{text: "Blocks",
checked: true,
layerName: "BlocksUrbans07"},
{text: "Plots",
checked: false,
layerName: "PlotsUrbans07"}]}]

But, the results are the same. There is not any difference. I want to "Backgrounds images", "Streets" and "Cadastre" are three options buttons. If the user chooses "Streets", he only will be able to choose the layers of "Streets". If he changes to  "Cadastre", he only will be able to choose the layers belonging to "Cadastre" and so on.
Regards,
Dàrius

---

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[Eric Lemoine-2]

On Wednesday, November 4, 2009, Darío Rodríguez Cubillo  wrote:

>
>
>
>
>
> Hi! I have done what Luca said to me:
>
> layertree = [
> {text: "Background images",
> expanded: false,
> radio: true,
> radioGrp: 'group1',
> children: [
> {text: "Orthophoto",
> checked: false,
> layerName: "Ortho5m"},
> {text: "Topographic map",
>
> checked: false,
>
> layerName: "Topo5m"}]},
>
> {text: "Street",
>
> expanded: false,
>
> radio: true,
>
> radioGrp: 'group2',
>
> children: [
>
> {text: "Street Names",
>
> checked: false,
>
> layerName: "Streets"},
>
> {text: "Streets numbers",
>
>
> checked: false,
>
>
> layerName: "StreetNumbers"}]},
>
> {text: "Cadastre",
>
>
> expanded: true,
>
>
> radio: true,
>
>
> radioGrp: 'group3',
>
>
> children: [
>
>
> {text: "Blocks",
>
>
> checked: true,
>
>
> layerName: "BlocksUrbans07"},
>
>
> {text: "Plots",
>
>
>
> checked: false,
>
>
>
> layerName: "PlotsUrbans07"}]}]
>
> But, the results are the same. There is not any difference. I want to "Backgrounds images", "Streets" and "Cadastre" are three options buttons. If the user chooses "Streets", he only will be able to choose the layers of "Streets". If he changes to  "Cadastre", he only will be able to choose the layers belonging to "Cadastre" and so on.

do you want radio buttons? If so I guess you'll have to write your own
node UI, by subclassing LayerNodeUI. You could also use the RadioMixin
I've started working on in GeoExt, see the patch attached to
<http://trac.geoext.org/ticket/169>. I'll work on this patch again in
the coming days/weeks, and may provide another example showing how to
use it with regular tree nodes (as opposed to GeoExt layer nodes).

Cheers,

--
Eric Lemoine

Camptocamp France SAS
Savoie Technolac, BP 352
73377 Le Bourget du Lac, Cedex

Tel : [phone]
Mail : eric.lemoine@...
http://www.camptocamp.com
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