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Merge pull request #3875 from geonux/draw_undo

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Undo last points method to the draw interraction
This commit is contained in:
Andreas Hocevar
2015-08-04 20:25:02 +02:00
parent 85815a32a0 999880f350
commit 0ec70256d6
1 changed files with 31 additions and 0 deletions
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31
src/ol/interaction/drawinteraction.js
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@@ -615,6 +615,37 @@ ol.interaction.Draw.prototype.addToDrawing_ = function(event) {
};
/**
* Remove last point of the feature currently being drawn.
* @api
*/
ol.interaction.Draw.prototype.removeLastPoint = function() {
var geometry = this.sketchFeature_.getGeometry();
goog.asserts.assertInstanceof(geometry, ol.geom.SimpleGeometry,
'geometry must be an ol.geom.SimpleGeometry');
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();
goog.asserts.assertInstanceof(sketchLineGeom, ol.geom.LineString,
'sketchLineGeom must be an ol.geom.LineString');
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