LayerTree with options buttons

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LayerTree with options buttons

by Darío Rodríguez Cubillo :: Rate this Message:

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Hi!

I'm building a very complex layertree. My layertree has got 3 main folders layers: background images, street and cadastre. The most important is the folder cadastre which is divided into 3 folders. These, are the different years for which cadastral information is available (2007, 2008 and 2009). Each year has urban and rural cadastral information. Urban and rural folders have, finally, layers of information.

The code of the layertree described is:

layertree = [

{text: "Background images",

expanded: false,

children: [

{text: "Nothing",

icon: 'Images/blanc.gif',

expanded: true,

checked: true,

layerName: "WhiteSurface"},

{text: "Orthophoto 1:5000",
icon: 'Images/blanc.gif',
expanded: false,
checked: false,
layerName: "Ortho5m"},

{text: "Topographic map 1:5000",
icon: 'Images/blanc.gif',
expanded: false,
checked: false,
layerName: "Topo5m"}]
},

{text: "Street",
expanded: false,
children: [

{text: "Street names",
icon: 'Images/blanc.gif',
checked: false,
layerName: "Streets"},

{text: "Street numbers",
icon:'Images/blanc.gif',
checked: false,
layerName: "StreetNumbers"},

{text: "Other",
icon:'Images/blanc.gif',
checked: false,
layerNames: ["Highways","Roads ","Rivers"]}]

},

{text: "Cadastre",
expanded: true,
children: [
{text: "2007",
expanded: true,
children: [
{text: "Urban",
expanded: true,
checked: false,
children: [
{text: "Blocks",
icon: 'Images/blanc.gif'
checked: true,
layerName: "BlocksUrbans07"},

{text: "Plots",
icon: 'Images/blanc.gif',
checked: false,
layerName: "PlotsUrbans07"}]
},

{text: "Rural",
expanded: false,
checked: false,
children: [
{text: "Blocks",
icon: 'Images/blanc.gif'
checked: false,
layerName: "BlocksRurals07"},

{text: "Plots",
icon: 'Images/blanc.gif',
checked: false,
layerName: "PlotsRurals07"}]
}
] },

{text: "2008",
expanded: false,
children: [
{text: "Urban",
expanded: false,
checked: false,
children: [
{text: "Blocks",
icon: 'Images/blanc.gif'
checked: false,
layerName: "BlocksUrbans08"},

{text: "Plots",
icon: 'Images/blanc.gif',
checked: false,
layerName: "PlotsUrbans08"}]
},

{text: "Rural",
expanded: false,
checked: false,
children: [
{text: "Blocks",
icon: 'Images/blanc.gif'
checked: false,
layerName: "BlocksRurals08"},

{text: "Plots",
icon: 'Images/blanc.gif',
checked: false,
layerName: "PlotsRurals08"}]
}
] },

{text: "2009",
expanded: false,
children: [
{text: "Urban",
expanded: false,
checked: false,
children: [
{text: "Blocks",
icon: 'Images/blanc.gif'
checked: false,
layerName: "BlocksUrbans09"},

{text: "Plots",
icon: 'Images/blanc.gif',
checked: false,
layerName: "PlotsUrbans09"}]
},

{text: "Rural",
expanded: false,
checked: false,
children: [
{text: "Blocks",
icon: 'Images/blanc.gif'
checked: false,
layerName: "BlocksRurals09"},

{text: "Plots",
icon: 'Images/blanc.gif',
checked: false,
layerName: "PlotsRurals09"}]
}
]}
]}

];

I wish that the years 2007, 2008 and 2009 were options buttons. This means that the user can only select one year cadastral information. Thus, the user will not mix cadastral information from different years. In this application, we don’t want to visualize, for example, urbans blocks of the 2007, rurals plots of the 2008 and urbans blocks of the 2009. We want to separate the cadastre for years and, therefore, we could not mix the cadastral information of different years.

I don’t know if I have explained well. If is necessary, I can extend the explanation.

Thank you very much and best regards.

Dàrius

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