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* Remove default styling from the Feature.Vector class.

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* Add a 'style' property to the layer.
 * When a feature is added to a layer, either uses the style on the 
   layer, or uses the default feature style.
 * Add test to Layer.Vector for this funcionality 
 * Adds a preFeatureInsert hook to change a feature *before* 
   drawing it.
 * Change openmnnd demo to include the use of preFeatureInsert
   and style attribute on layer.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@2949 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2007-04-01 12:08:13 +00:00
parent adee1fb217
commit 53977cf840
4 changed files with 68 additions and 6 deletions
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37
examples/openmnnd.html
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@@ -29,15 +29,42 @@
map.addLayer(wms);
wfs = new OpenLayers.Layer.WFS("Minnesota Streams (WFS)", wfs_url, {'typename':'streams'}, {ratio:1.25, minZoomLevel:4});
wfs.onFeatureInsert= function(feature) { feature.style.strokeWidth="3"; feature.style.strokeColor="blue"; feature.layer.renderer.drawGeometry(feature.geometry,feature.style); $('stream_features').innerHTML = feature.layer.features.length;}
// preFeatureInsert can be used to set style before the feature is drawn
wfs.preFeatureInsert= function(feature) { feature.style.strokeWidth="3"; feature.style.strokeColor="blue";
}
wfs.onFeatureInsert = function() {
$('stream_features').innerHTML = feature.layer.features.length;
}
map.addLayer(wfs);
pwfs = new OpenLayers.Layer.WFS("Minnesota Plat (WFS)", wfs_url, {'typename':'plat'}, {ratio:1.25, minZoomLevel:8, extractAttributes: true});
pwfs.onFeatureInsert= function(feature) { feature.style.fillColor="green"; feature.layer.renderer.drawGeometry(feature.geometry,feature.style); $('plat_features').innerHTML = feature.layer.features.length;}
// Or a style can be set on the layer.
pwfsstyle = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
OpenLayers.Util.extend(pwfsstyle, {'fillColor': 'green'});
pwfs = new OpenLayers.Layer.WFS("Minnesota Plat (WFS)", wfs_url,
{'typename':'plat'},
{
ratio:1.25,
minZoomLevel:8,
extractAttributes: true,
style: pwfsstyle
});
pwfs.onFeatureInsert= function(feature) {
$('plat_features').innerHTML = feature.layer.features.length;
}
map.addLayer(pwfs);
rwfs = new OpenLayers.Layer.WFS("Minnesota Roads (WFS)", wfs_url, {'typename':'roads'}, {ratio:1.25, minZoomLevel:7, extractAttributes: true});
rwfs.onFeatureInsert= function(feature) { feature.style.strokeColor="white"; feature.style.strokeWidth="4"; feature.layer.renderer.drawGeometry(feature.geometry,feature.style); $('road_features').innerHTML = feature.layer.features.length; }
rstyle = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
OpenLayers.Util.extend(rstyle, {'strokeColor': 'white', strokeWIdth: "4"});
rwfs = new OpenLayers.Layer.WFS("Minnesota Roads (WFS)", wfs_url, {'typename':'roads'},
{ratio:1.25, minZoomLevel:7, extractAttributes: true, style:rstyle});
rwfs.onFeatureInsert= function(feature) {
$('road_features').innerHTML = feature.layer.features.length;
}
map.addLayer(rwfs);
map.events.register('moveend', null, function() {