Hi Yingqi,
you could use the defaults property of the LegendPanel:
var legendPanel = new GeoExt.LegendPanel({
defaults: {
labelCls: 'legendpanel-layername',
style: 'padding:5px',
clickableSymbol: true,
clickableTitle: true,
selectOnClick: true,
listeners: {
symbolclick: function(comp, rule){ alert('symbolclick'); },
titleclick: function(comp, rule){ alert('titleclick'); },
ruleclick: function(comp, rule){ alert('ruleclick'); },
ruleselected: function(comp, rule){
alert('ruleselected'); }
}
},
autoScroll: true
});
Regards,
Marc
On 24.08.2010 01:58, Yingqi Tang wrote:
Hi,
Is there any example or doc demonstrating how to add event listener to
legend entry of GeoExt legend panel? For example, I saw in the source
code of VectorLegend.js there are events like "titleclick",
"symbolclick", ...etc. and I assume that's where you can add callback
when a legend title or symbol is clicked. The existing example only
shows how to add a legend panel so it's not obvious to me how to add
event listener through LegendPanel?
Does one have to create legend using VectorLegend directly to
manipulate those events?
Thanks
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