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Write modifications back to the original layer

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With the feature's getOriginal() and setOriginal() methods, an
undo tree can be maintained now.
This commit is contained in:
ahocevar
2013-11-09 15:14:11 +01:00
parent a3b18bf16e
commit fec638e8be
2 changed files with 34 additions and 2 deletions
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11
src/ol/interaction/modifyinteraction.js
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@@ -172,7 +172,8 @@ ol.interaction.Modify.prototype.addSegments_ =
ol.interaction.Modify.prototype.handleDragStart = function(evt) {
this.dragSegments_ = [];
for (var i = 0, ii = this.layers_.length; i < ii; ++i) {
var selectionData = this.layers_[i].getSelectionData();
var layer = this.layers_[i];
var selectionData = layer.getSelectionData();
var selectionLayer = selectionData.layer;
if (!goog.isNull(selectionLayer)) {
var editData = selectionLayer.getEditData();
@@ -186,16 +187,22 @@ ol.interaction.Modify.prototype.handleDragStart = function(evt) {
for (var j = 0, jj = segments.length; j < jj; ++j) {
var segmentData = segments[j];
var segment = segmentData[0];
var feature = segmentData[1];
var featureId = goog.getUid(feature);
var original = selectionData.featuresBySelectedFeatureUid[featureId];
if (vertexFeature.renderIntent ==
ol.layer.VectorLayerRenderIntent.TEMPORARY) {
if (ol.coordinate.equals(segment[0], vertex)) {
this.dragSegments_.push([selectionLayer, segmentData, 0]);
} else {
feature.setOriginal(original);
} else if (ol.coordinate.equals(segment[1], vertex)) {
this.dragSegments_.push([selectionLayer, segmentData, 1]);
feature.setOriginal(original);
}
} else if (
ol.coordinate.squaredDistanceToSegment(vertex, segment) === 0) {
insertVertices.push([selectionLayer, segmentData, vertex]);
feature.setOriginal(original);
}
}
for (j = insertVertices.length - 1; j >= 0; --j) {