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Add the capability to remove(undo) the last drawed segments.

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geonux
2015-07-06 12:11:34 +02:00
parent 38fa805f03
commit 29b1f0d55d
1 changed files with 25 additions and 0 deletions
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25
src/ol/interaction/drawinteraction.js
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@@ -617,6 +617,31 @@ ol.interaction.Draw.prototype.addToDrawing_ = function(event) {
};
/**
* Remove last drawed point of the currently edited feature.
* @api
*/
ol.interaction.Draw.prototype.removeLastPoint = function() {
var geometry = this.sketchFeature_.getGeometry();
var coordinates, sketchLineGeom;
if (this.mode_ === ol.interaction.DrawMode.LINE_STRING) {
coordinates = this.sketchCoords_;
coordinates.splice(-2, 1);
this.geometryFunction_(coordinates, geometry);
} else if (this.mode_ === ol.interaction.DrawMode.POLYGON) {
coordinates = this.sketchCoords_[0];
coordinates.splice(-2, 1);
sketchLineGeom = this.sketchLine_.getGeometry();
sketchLineGeom.setCoordinates(coordinates);
this.geometryFunction_(this.sketchCoords_, geometry);
}
if (coordinates.length === 0) this.finishCoordinate_ = null;
this.updateSketchFeatures_();
};
/**
* Stop drawing and add the sketch feature to the target layer.
* The {@link ol.interaction.DrawEventType.DRAWEND} event is dispatched before