We had a similar challenge here, one of our web programmers helped me
figure this out.
In this situation, I wanted all layers with a name that did NOT include
"Balance", "Ratio", or "Highlight" to appear in this layercontainer:
loader: {
filter: function(record) {
var myarr = new Array();
myarr[0]=record.get("layer").name.indexOf("Balance");
myarr[1]=record.get("layer").name.indexOf("Ratio");
myarr[2]=record.get("layer").name.indexOf("Highlight");
if(myarr[0]==-1 && myarr[1]==-1 &&
myarr[2]==-1){
return true;
}else{
return false;
}
}
Not sure if it's THE best solution, but it does work and it's fairly
simple to add additional words to search for.
Hope this helps,
Ryan
On 9/1/2010 9:49 AM, Andrew Stewart wrote:
I am faily new to GeoExt and openlayers. What I am trying to do is add
multiple filters to a layercontainer so that I can add multiple layers
to each group. Not sure if this is the best way to do this but what I
want to do is add all my Street Labels to a group called "Labels" I
can add one no problem called Overview Streets with the following
code, but I need to add additional layers like one called Quadrant
Streets. When I try to modify the filter code to add additional names
it doesn't work and I get javascript errors. Any help appreciated!
//Define Layer List Control - Tree Control for Legend Control
var layerList_Labels = new GeoExt.tree.LayerContainer({
text: 'Labels',
layerStore: mapPanel.layers,
leaf: false,
expanded: false,
loader: {
filter: function(record) {
return record.get("layer").name.indexOf("Overview Streets") !==
-1 (need to add Quadrant Streets here also)
}
}
});
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Ryan Williams, GISP
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PAQ Interactive Inc.
107 S State St., Suite 300
Monticello, IL 61856-1968
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