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Adding a 'sketchstarted' event on the vector layer. This event is triggered at the start of each new sketch. r=ahocevar (closes #1945)

Browse Source 
git-svn-id: http://svn.openlayers.org/trunk/openlayers@9269 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2009-04-12 15:36:15 +00:00
parent 70c3fd077d
commit dfcf68007e
11 changed files with 85 additions and 30 deletions
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26
lib/OpenLayers/Handler/Point.js
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@@ -92,10 +92,12 @@ OpenLayers.Handler.Point = OpenLayers.Class(OpenLayers.Handler, {
* handler
*
* Named callbacks:
* done - Called when the point drawing is finished. The callback will
* recieve a single argument, the point geometry.
* create - Called when a sketch is first created. Callback called with
* the creation point geometry and sketch feature.
* modify - Called with each move of a vertex with the vertex (point)
* geometry and the sketch feature.
* done - Called when the point drawing is finished. The callback will
* recieve a single argument, the point geometry.
* cancel - Called when the handler is deactivated while drawing. The
* cancel callback will receive a geometry.
*/
@@ -133,11 +135,17 @@ OpenLayers.Handler.Point = OpenLayers.Class(OpenLayers.Handler, {
/**
* Method: createFeature
* Add temporary features
*
* Parameters:
* pixel - {<OpenLayers.Pixel>} A pixel location on the map.
*/
createFeature: function() {
createFeature: function(pixel) {
var lonlat = this.map.getLonLatFromPixel(pixel);
this.point = new OpenLayers.Feature.Vector(
new OpenLayers.Geometry.Point()
new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat)
);
this.callback("create", [this.point.geometry, this.point]);
this.point.geometry.clearBounds();
this.layer.addFeatures([this.point], {silent: true});
},
@@ -250,6 +258,7 @@ OpenLayers.Handler.Point = OpenLayers.Class(OpenLayers.Handler, {
this.point.geometry.y = lonlat.lat;
this.callback("modify", [this.point.geometry, this.point]);
this.point.geometry.clearBounds();
this.drawFeature();
},
/**
@@ -308,16 +317,16 @@ OpenLayers.Handler.Point = OpenLayers.Class(OpenLayers.Handler, {
if(this.lastDown && this.lastDown.equals(evt.xy)) {
return true;
}
this.drawing = true;
if(this.lastDown == null) {
if(this.persist) {
this.destroyFeature();
}
this.createFeature();
this.createFeature(evt.xy);
} else {
this.modifyFeature(evt.xy);
}
this.lastDown = evt.xy;
this.drawing = true;
this.modifyFeature(evt.xy);
this.drawFeature();
return false;
},
@@ -335,7 +344,6 @@ OpenLayers.Handler.Point = OpenLayers.Class(OpenLayers.Handler, {
mousemove: function (evt) {
if(this.drawing) {
this.modifyFeature(evt.xy);
this.drawFeature();
}
return true;
},