Add modify feature interaction and its example
This commit is contained in:
oterral
Antoine Abt
656
src/ol/interaction/modifyinteraction.js
Normal file
656
src/ol/interaction/modifyinteraction.js
Normal file
@@ -0,0 +1,656 @@
|
||||
goog.provide('ol.interaction.Modify');
|
||||
|
||||
goog.require('goog.array');
|
||||
goog.require('goog.asserts');
|
||||
goog.require('goog.functions');
|
||||
goog.require('ol.Collection');
|
||||
goog.require('ol.CollectionEventType');
|
||||
goog.require('ol.Feature');
|
||||
goog.require('ol.MapBrowserEvent.EventType');
|
||||
goog.require('ol.ViewHint');
|
||||
goog.require('ol.coordinate');
|
||||
goog.require('ol.extent');
|
||||
goog.require('ol.geom.LineString');
|
||||
goog.require('ol.geom.LinearRing');
|
||||
goog.require('ol.geom.MultiLineString');
|
||||
goog.require('ol.geom.MultiPoint');
|
||||
goog.require('ol.geom.MultiPolygon');
|
||||
goog.require('ol.geom.Point');
|
||||
goog.require('ol.geom.Polygon');
|
||||
goog.require('ol.interaction.Drag');
|
||||
goog.require('ol.layer.Layer');
|
||||
goog.require('ol.layer.Vector');
|
||||
goog.require('ol.render.FeaturesOverlay');
|
||||
goog.require('ol.structs.RBush');
|
||||
goog.require('ol.style.Circle');
|
||||
goog.require('ol.style.Fill');
|
||||
goog.require('ol.style.Stroke');
|
||||
goog.require('ol.style.Style');
|
||||
|
||||
|
||||
/**
|
||||
* @typedef {{feature: ol.Feature,
|
||||
* geometry: ol.geom.Geometry,
|
||||
* index: (number|undefined),
|
||||
* style: ol.style.Style,
|
||||
* segment: Array.<ol.Extent>}}
|
||||
*/
|
||||
ol.interaction.SegmentDataType;
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* @constructor
|
||||
* @extends {ol.interaction.Drag}
|
||||
* @param {ol.interaction.ModifyOptions=} opt_options Options.
|
||||
*/
|
||||
ol.interaction.Modify = function(opt_options) {
|
||||
|
||||
goog.base(this);
|
||||
|
||||
var options = goog.isDef(opt_options) ? opt_options : {};
|
||||
|
||||
var layerFilter = options.layers;
|
||||
if (!goog.isDef(layerFilter)) {
|
||||
layerFilter = goog.functions.TRUE;
|
||||
} else if (goog.isArray(layerFilter)) {
|
||||
layerFilter = function(layer) {return options.layers.indexOf(layer) > -1;};
|
||||
}
|
||||
goog.asserts.assertFunction(layerFilter);
|
||||
|
||||
/**
|
||||
* @type {function(ol.layer.Layer):boolean}
|
||||
* @private
|
||||
*/
|
||||
this.layerFilter_ = layerFilter;
|
||||
|
||||
/**
|
||||
* Editing vertex.
|
||||
* @type {ol.Feature}
|
||||
* @private
|
||||
*/
|
||||
this.vertexFeature_ = null;
|
||||
|
||||
/**
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
this.modifiable_ = false;
|
||||
|
||||
/**
|
||||
* Segment RTree for each layer
|
||||
* @type {Object.<*, ol.structs.RBush>}
|
||||
* @private
|
||||
*/
|
||||
this.rBush_ = null;
|
||||
|
||||
/**
|
||||
* @type {number}
|
||||
* @private
|
||||
*/
|
||||
this.pixelTolerance_ = goog.isDef(options.pixelTolerance) ?
|
||||
options.pixelTolerance : 20;
|
||||
|
||||
/**
|
||||
* @type {Array}
|
||||
* @private
|
||||
*/
|
||||
this.dragSegments_ = null;
|
||||
|
||||
/**
|
||||
* Draw overlay where are sketch features are drawn.
|
||||
* @type {ol.render.FeaturesOverlay}
|
||||
* @private
|
||||
*/
|
||||
this.overlay_ = new ol.render.FeaturesOverlay();
|
||||
this.overlay_.setStyleFunction(goog.isDef(options.styleFunction) ?
|
||||
options.styleFunction : ol.interaction.Modify.defaultStyleFunction
|
||||
);
|
||||
|
||||
};
|
||||
goog.inherits(ol.interaction.Modify, ol.interaction.Drag);
|
||||
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
* @param {number} resolution Resolution.
|
||||
* @return {Array.<ol.style.Style>} Styles.
|
||||
*/
|
||||
ol.interaction.Modify.defaultStyleFunction = (function() {
|
||||
/** @type {Object.<ol.geom.GeometryType, Array.<ol.style.Style>>} */
|
||||
var styles = {};
|
||||
styles[ol.geom.GeometryType.POLYGON] = [
|
||||
new ol.style.Style({
|
||||
fill: new ol.style.Fill({
|
||||
color: [255, 255, 255, 0.5]
|
||||
})
|
||||
})
|
||||
];
|
||||
styles[ol.geom.GeometryType.MULTI_POLYGON] =
|
||||
styles[ol.geom.GeometryType.POLYGON];
|
||||
|
||||
styles[ol.geom.GeometryType.LINE_STRING] = [
|
||||
new ol.style.Style({
|
||||
stroke: new ol.style.Stroke({
|
||||
color: [255, 255, 255, 1],
|
||||
width: 5
|
||||
})
|
||||
}),
|
||||
new ol.style.Style({
|
||||
stroke: new ol.style.Stroke({
|
||||
color: [0, 153, 255, 1],
|
||||
width: 3
|
||||
})
|
||||
})
|
||||
];
|
||||
styles[ol.geom.GeometryType.MULTI_LINE_STRING] =
|
||||
styles[ol.geom.GeometryType.LINE_STRING];
|
||||
|
||||
styles[ol.geom.GeometryType.POINT] = [
|
||||
new ol.style.Style({
|
||||
image: new ol.style.Circle({
|
||||
radius: 7,
|
||||
fill: new ol.style.Fill({
|
||||
color: [0, 153, 255, 1]
|
||||
}),
|
||||
stroke: new ol.style.Stroke({
|
||||
color: [255, 255, 255, 0.75],
|
||||
width: 1.5
|
||||
})
|
||||
}),
|
||||
zIndex: 100000
|
||||
})
|
||||
];
|
||||
styles[ol.geom.GeometryType.MULTI_POINT] =
|
||||
styles[ol.geom.GeometryType.POINT];
|
||||
|
||||
return function(feature, resolution) {
|
||||
return styles[feature.getGeometry().getType()];
|
||||
};
|
||||
})();
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.interaction.Modify.prototype.setMap = function(map) {
|
||||
var oldMap = this.getMap();
|
||||
var layers;
|
||||
if (!goog.isNull(oldMap)) {
|
||||
layers = oldMap.getLayerGroup().getLayers();
|
||||
goog.asserts.assert(goog.isDef(layers));
|
||||
layers.forEach(goog.bind(this.removeLayer_, this));
|
||||
layers.unlisten(ol.CollectionEventType.ADD, this.handleLayerAdded_, false,
|
||||
this);
|
||||
layers.unlisten(ol.CollectionEventType.REMOVE, this.handleLayerRemoved_,
|
||||
false, this);
|
||||
}
|
||||
|
||||
if (!goog.isNull(map)) {
|
||||
if (goog.isNull(this.rBush_)) {
|
||||
this.rBush_ = new ol.structs.RBush();
|
||||
}
|
||||
layers = map.getLayerGroup().getLayers();
|
||||
goog.asserts.assert(goog.isDef(layers));
|
||||
layers.forEach(goog.bind(this.addLayer_, this));
|
||||
layers.listen(ol.CollectionEventType.ADD, this.handleLayerAdded_, false,
|
||||
this);
|
||||
layers.listen(ol.CollectionEventType.REMOVE, this.handleLayerRemoved_,
|
||||
false, this);
|
||||
} else {
|
||||
// removing from a map, clean up
|
||||
this.rBush_ = null;
|
||||
}
|
||||
|
||||
this.overlay_.setMap(map);
|
||||
goog.base(this, 'setMap', map);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.CollectionEvent} evt Event.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleLayerAdded_ = function(evt) {
|
||||
var layer = evt.getElement();
|
||||
goog.asserts.assertInstanceof(layer, ol.layer.Layer);
|
||||
this.addLayer_(layer);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Add a layer for modification.
|
||||
* @param {ol.layer.Layer} layer Layer.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.addLayer_ = function(layer) {
|
||||
if (this.layerFilter_(layer) && layer instanceof ol.layer.Vector) {
|
||||
this.addIndex_(layer.getSource().getAllFeatures(),
|
||||
layer);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.CollectionEvent} evt Event.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleLayerRemoved_ = function(evt) {
|
||||
var layer = evt.getElement();
|
||||
goog.asserts.assertInstanceof(layer, ol.layer.Layer);
|
||||
this.removeLayer_(layer);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Remove a layer for modification.
|
||||
* @param {ol.layer.Layer} layer Layer.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.removeLayer_ = function(layer) {
|
||||
if (this.layerFilter_(layer) && layer instanceof ol.layer.Vector) {
|
||||
this.removeIndex_(layer.getSource().getAllFeatures());
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {Array.<ol.Feature>} features Array of features.
|
||||
* @param {ol.layer.Vector} layer Layer the features belong to.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.addIndex_ = function(features, layer) {
|
||||
for (var i = 0, ii = features.length; i < ii; ++i) {
|
||||
var feature = features[i];
|
||||
var geometry = feature.getGeometry();
|
||||
this.addSegments_(feature, geometry, layer);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {Array.<ol.Feature>} features Array of features.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.removeIndex_ = function(features) {
|
||||
var rBush = this.rBush_;
|
||||
var i, feature, nodesToRemove;
|
||||
for (i = features.length - 1; i >= 0; --i) {
|
||||
feature = features[i];
|
||||
nodesToRemove = [];
|
||||
rBush.forEachInExtent(feature.getGeometry().getExtent(), function(node) {
|
||||
if (feature === node.feature) {
|
||||
nodesToRemove.push(node);
|
||||
}
|
||||
});
|
||||
}
|
||||
for (i = nodesToRemove.length - 1; i >= 0; --i) {
|
||||
rBush.remove(nodesToRemove[i]);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature to add segments for.
|
||||
* @param {null|ol.geom.Geometry|undefined} geometry Geometry to add segments
|
||||
* for.
|
||||
* @param {ol.layer.Vector} layer Vector layer to add segments for.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.addSegments_ =
|
||||
function(feature, geometry, layer) {
|
||||
var rBush = this.rBush_;
|
||||
var segment, segmentData, coordinates;
|
||||
if (geometry instanceof ol.geom.Point) {
|
||||
coordinates = geometry.getCoordinates();
|
||||
segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
segment: [coordinates, coordinates],
|
||||
style: layer.getStyleFunction()
|
||||
});
|
||||
rBush.insert(geometry.getExtent(), segmentData);
|
||||
} else if (geometry instanceof ol.geom.MultiPoint) {
|
||||
var points = geometry.getCoordinates();
|
||||
for (var i = 0, ii = points.length - 1; i < ii; ++i) {
|
||||
coordinates = points[i];
|
||||
segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
depth: [i],
|
||||
segment: [coordinates, coordinates],
|
||||
style: layer.getStyleFunction()
|
||||
});
|
||||
rBush.insert(geometry.getExtent(), segmentData);
|
||||
}
|
||||
} else if (geometry instanceof ol.geom.LineString ||
|
||||
geometry instanceof ol.geom.LinearRing) {
|
||||
coordinates = geometry.getCoordinates();
|
||||
for (var i = 0, ii = coordinates.length - 1; i < ii; ++i) {
|
||||
segment = coordinates.slice(i, i + 2);
|
||||
segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
index: i,
|
||||
style: layer.getStyleFunction(),
|
||||
segment: segment
|
||||
});
|
||||
rBush.insert(ol.extent.boundingExtent(segment), segmentData);
|
||||
}
|
||||
} else if (geometry instanceof ol.geom.MultiLineString) {
|
||||
var lines = geometry.getCoordinates();
|
||||
for (var j = 0, jj = lines.length; j < jj; ++j) {
|
||||
coordinates = lines[j];
|
||||
for (var i = 0, ii = coordinates.length - 1; i < ii; ++i) {
|
||||
segment = coordinates.slice(i, i + 2);
|
||||
segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
depth: [j],
|
||||
index: i,
|
||||
style: layer.getStyleFunction(),
|
||||
segment: segment
|
||||
});
|
||||
rBush.insert(ol.extent.boundingExtent(segment), segmentData);
|
||||
}
|
||||
}
|
||||
} else if (geometry instanceof ol.geom.Polygon) {
|
||||
var rings = geometry.getCoordinates();
|
||||
coordinates = rings[0];
|
||||
for (var i = 0, ii = coordinates.length - 1; i < ii; ++i) {
|
||||
segment = coordinates.slice(i, i + 2);
|
||||
segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
index: i,
|
||||
style: layer.getStyleFunction(),
|
||||
segment: segment
|
||||
});
|
||||
rBush.insert(ol.extent.boundingExtent(segment), segmentData);
|
||||
}
|
||||
|
||||
} else if (geometry instanceof ol.geom.MultiPolygon) {
|
||||
var polygons = geometry.getCoordinates();
|
||||
for (var j = 0, jj = polygons.length; j < jj; ++j) {
|
||||
coordinates = polygons[j][0];
|
||||
for (var i = 0, ii = coordinates.length - 1; i < ii; ++i) {
|
||||
segment = coordinates.slice(i, i + 2);
|
||||
segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
depth: [j],
|
||||
index: i,
|
||||
style: layer.getStyleFunction(),
|
||||
segment: segment
|
||||
});
|
||||
rBush.insert(ol.extent.boundingExtent(segment), segmentData);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.style.Style} style Style of the layer that the feature being
|
||||
* modified belongs to.
|
||||
* @param {ol.Coordinate} coordinates Coordinates.
|
||||
* @return {ol.Feature} Vertex feature.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.createOrUpdateVertexFeature_ =
|
||||
function(style, coordinates) {
|
||||
var vertexFeature = this.vertexFeature_;
|
||||
if (goog.isNull(vertexFeature)) {
|
||||
vertexFeature = new ol.Feature(new ol.geom.Point(coordinates));
|
||||
this.vertexFeature_ = vertexFeature;
|
||||
} else {
|
||||
var geometry = vertexFeature.getGeometry();
|
||||
geometry.setCoordinates(coordinates);
|
||||
}
|
||||
this.updateSketchFeatures_();
|
||||
return vertexFeature;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleDragStart = function(evt) {
|
||||
this.dragSegments_ = [];
|
||||
var vertexFeature = this.vertexFeature_;
|
||||
if (!goog.isNull(vertexFeature)) {
|
||||
var insertVertices = [];
|
||||
var vertex = vertexFeature.getGeometry().getCoordinates();
|
||||
var vertexExtent = ol.extent.boundingExtent([vertex]);
|
||||
var segmentDataMatches = [];
|
||||
this.rBush_.forEachInExtent(vertexExtent,
|
||||
function(segmentData) {
|
||||
segmentDataMatches.push(segmentData);
|
||||
});
|
||||
var distinctFeatures = {};
|
||||
for (var i = 0, ii = segmentDataMatches.length; i < ii; ++i) {
|
||||
var segmentDataMatch = segmentDataMatches[i];
|
||||
var segment = segmentDataMatch.segment;
|
||||
if (!(goog.getUid(segmentDataMatch.feature) in distinctFeatures)) {
|
||||
var feature = segmentDataMatch.feature;
|
||||
distinctFeatures[goog.getUid(feature)] = true;
|
||||
}
|
||||
if (ol.coordinate.equals(segment[0], vertex)) {
|
||||
this.dragSegments_.push([segmentDataMatch, 0]);
|
||||
} else if (ol.coordinate.equals(segment[1], vertex)) {
|
||||
this.dragSegments_.push([segmentDataMatch, 1]);
|
||||
} else if (
|
||||
ol.coordinate.squaredDistanceToSegment(vertex, segment) === 0) {
|
||||
insertVertices.push([segmentDataMatch, vertex]);
|
||||
}
|
||||
}
|
||||
for (i = insertVertices.length - 1; i >= 0; --i) {
|
||||
this.insertVertex_.apply(this, insertVertices[i]);
|
||||
}
|
||||
}
|
||||
return this.modifiable_;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleDrag = function(evt) {
|
||||
var vertex = evt.getCoordinate();
|
||||
for (var i = 0, ii = this.dragSegments_.length; i < ii; ++i) {
|
||||
var dragSegment = this.dragSegments_[i];
|
||||
var segmentData = dragSegment[0];
|
||||
var depth = segmentData.depth;
|
||||
var geometry = segmentData.geometry;
|
||||
var coordinates = geometry.getCoordinates();
|
||||
var segment = segmentData.segment;
|
||||
var index = dragSegment[1];
|
||||
|
||||
|
||||
if (geometry instanceof ol.geom.Point) {
|
||||
coordinates = vertex;
|
||||
segment[0] = segment[1] = vertex;
|
||||
} else if (geometry instanceof ol.geom.MultiPoint) {
|
||||
coordinates[depth[0]][segmentData.index + index] = vertex;
|
||||
segment[0] = segment[1] = vertex;
|
||||
} else if (geometry instanceof ol.geom.LineString) {
|
||||
coordinates[segmentData.index + index] = vertex;
|
||||
segment[index] = vertex;
|
||||
} else if (geometry instanceof ol.geom.MultiLineString) {
|
||||
coordinates[depth[0]][segmentData.index + index] = vertex;
|
||||
segment[index] = vertex;
|
||||
} else if (geometry instanceof ol.geom.Polygon) {
|
||||
coordinates[0][segmentData.index + index] = vertex;
|
||||
segment[index] = vertex;
|
||||
} else if (geometry instanceof ol.geom.MultiPolygon) {
|
||||
coordinates[depth[0]][0][segmentData.index + index] = vertex;
|
||||
segment[index] = vertex;
|
||||
}
|
||||
|
||||
geometry.setCoordinates(coordinates);
|
||||
var newBounds = ol.extent.boundingExtent(segment);
|
||||
this.createOrUpdateVertexFeature_(segmentData.style, vertex);
|
||||
this.rBush_.remove(segmentData);
|
||||
this.rBush_.insert(newBounds, segmentData);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleDragEnd = function(evt) {
|
||||
var segmentData;
|
||||
for (var i = this.dragSegments_.length - 1; i >= 0; --i) {
|
||||
segmentData = this.dragSegments_[i][0];
|
||||
this.rBush_.update(ol.extent.boundingExtent(segmentData.segment),
|
||||
segmentData);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleMapBrowserEvent =
|
||||
function(mapBrowserEvent) {
|
||||
if (!mapBrowserEvent.map.getView().getHints()[ol.ViewHint.INTERACTING] &&
|
||||
!this.getDragging() &&
|
||||
mapBrowserEvent.type == ol.MapBrowserEvent.EventType.MOUSEMOVE) {
|
||||
this.handleMouseMove_(mapBrowserEvent);
|
||||
}
|
||||
goog.base(this, 'handleMapBrowserEvent', mapBrowserEvent);
|
||||
return !this.modifiable_;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.MapBrowserEvent} evt Event.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.handleMouseMove_ = function(evt) {
|
||||
var map = evt.map;
|
||||
var pixel = evt.getPixel();
|
||||
var pixelCoordinate = map.getCoordinateFromPixel(pixel);
|
||||
var sortByDistance = function(a, b) {
|
||||
return ol.coordinate.squaredDistanceToSegment(pixelCoordinate, a.segment) -
|
||||
ol.coordinate.squaredDistanceToSegment(pixelCoordinate, b.segment);
|
||||
};
|
||||
|
||||
var lowerLeft = map.getCoordinateFromPixel(
|
||||
[pixel[0] - this.pixelTolerance_, pixel[1] + this.pixelTolerance_]);
|
||||
var upperRight = map.getCoordinateFromPixel(
|
||||
[pixel[0] + this.pixelTolerance_, pixel[1] - this.pixelTolerance_]);
|
||||
var box = ol.extent.boundingExtent([lowerLeft, upperRight]);
|
||||
|
||||
this.modifiable_ = false;
|
||||
var vertexFeature = this.vertexFeature_;
|
||||
var rBush = this.rBush_;
|
||||
var nodes = rBush.getAllInExtent(box);
|
||||
//var renderIntent = ol.layer.VectorLayerRenderIntent.HIDDEN;
|
||||
if (nodes.length > 0) {
|
||||
nodes.sort(sortByDistance);
|
||||
var node = nodes[0];
|
||||
var segment = node.segment; // the closest segment
|
||||
var vertex = (ol.coordinate.closestOnSegment(pixelCoordinate, segment));
|
||||
var vertexPixel = map.getPixelFromCoordinate(vertex);
|
||||
if (Math.sqrt(ol.coordinate.squaredDistance(pixel, vertexPixel)) <=
|
||||
this.pixelTolerance_) {
|
||||
var pixel1 = map.getPixelFromCoordinate(segment[0]);
|
||||
var pixel2 = map.getPixelFromCoordinate(segment[1]);
|
||||
var squaredDist1 = ol.coordinate.squaredDistance(vertexPixel, pixel1);
|
||||
var squaredDist2 = ol.coordinate.squaredDistance(vertexPixel, pixel2);
|
||||
var dist = Math.sqrt(Math.min(squaredDist1, squaredDist2));
|
||||
//renderIntent = ol.layer.VectorLayerRenderIntent.FUTURE;
|
||||
if (dist <= 10) {
|
||||
vertex = squaredDist1 > squaredDist2 ? segment[1] : segment[0];
|
||||
//renderIntent = ol.layer.VectorLayerRenderIntent.TEMPORARY;
|
||||
}
|
||||
vertexFeature = this.createOrUpdateVertexFeature_(node.style,
|
||||
vertex);
|
||||
this.modifiable_ = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (!goog.isNull(vertexFeature)) {
|
||||
this.updateSketchFeatures_();
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.interaction.SegmentDataType} segmentData Segment data.
|
||||
* @param {ol.Coordinate} vertex Vertex.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.insertVertex_ =
|
||||
function(segmentData, vertex) {
|
||||
var segment = segmentData.segment;
|
||||
var feature = segmentData.feature;
|
||||
var geometry = segmentData.geometry;
|
||||
var depth = segmentData.depth;
|
||||
var index = segmentData.index;
|
||||
var coordinates = geometry.getCoordinates();
|
||||
|
||||
if (geometry instanceof ol.geom.MultiPoint) {
|
||||
coordinates[depth[0]] = coordinates;
|
||||
} else if (geometry instanceof ol.geom.MultiLineString) {
|
||||
coordinates[depth[0]].splice(index + 1, 0, vertex);
|
||||
} else if (geometry instanceof ol.geom.Polygon) {
|
||||
coordinates[0].splice(index + 1, 0, vertex);
|
||||
} else if (geometry instanceof ol.geom.MultiPolygon) {
|
||||
coordinates[depth[0]][0].splice(index + 1, 0, vertex);
|
||||
} else {
|
||||
coordinates.splice(index + 1, 0, vertex);
|
||||
}
|
||||
geometry.setCoordinates(coordinates);
|
||||
var rTree = this.rBush_;
|
||||
goog.asserts.assert(goog.isDef(segment));
|
||||
rTree.remove(segmentData);
|
||||
var uid = goog.getUid(feature);
|
||||
var segmentDataMatches = [];
|
||||
this.rBush_.forEachInExtent(geometry.getExtent(),
|
||||
function(segmentData) {
|
||||
if (goog.getUid(segmentData.feature) === uid) {
|
||||
segmentDataMatches.push(segmentData);
|
||||
}
|
||||
});
|
||||
for (var i = 0, ii = segmentDataMatches.length; i < ii; ++i) {
|
||||
var segmentDataMatch = segmentDataMatches[i];
|
||||
if (segmentDataMatch.geometry === geometry &&
|
||||
segmentDataMatch.index > index) {
|
||||
++segmentDataMatch.index;
|
||||
}
|
||||
}
|
||||
var newSegmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
style: segmentData.style,
|
||||
segment: [segment[0], vertex],
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
depth: depth,
|
||||
index: index
|
||||
});
|
||||
rTree.insert(ol.extent.boundingExtent(newSegmentData.segment),
|
||||
newSegmentData);
|
||||
this.dragSegments_.push([newSegmentData, 1]);
|
||||
|
||||
var newSegmentData2 = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
style: segmentData.style,
|
||||
segment: [vertex, segment[1]],
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
depth: depth,
|
||||
index: index + 1
|
||||
});
|
||||
rTree.insert(ol.extent.boundingExtent(newSegmentData2.segment),
|
||||
newSegmentData2);
|
||||
this.dragSegments_.push([newSegmentData2, 0]);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Redraw the skecth features.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.updateSketchFeatures_ = function() {
|
||||
this.overlay_.setFeatures(new ol.Collection([this.vertexFeature_]));
|
||||
};
|
||||
Reference in New Issue
Block a user