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Add support for editing interior polygon rings

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This commit is contained in:
ahocevar
2014-03-13 01:02:15 +01:00
parent 1fbdf47e2a
commit ecddcdd732
2 changed files with 41 additions and 32 deletions
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3
examples/modify-features.js
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@@ -111,7 +111,8 @@ var testDataSource = new ol.source.GeoJSON(
'geometry': {
'type': 'Polygon',
'coordinates': [[[-5e6, -1e6], [-4e6, 1e6],
[-3e6, -1e6], [-5e6, -1e6]]]
[-3e6, -1e6], [-5e6, -1e6]], [[-4.5e6, -0.5e6],
[-3.5e6, -0.5e6], [-4e6, 0.5e6], [-4.5e6, -0.5e6]]]
}
},
{

70
src/ol/interaction/modifyinteraction.js
View File

@@ -23,8 +23,9 @@ goog.require('ol.structs.RBush');
/**
* @typedef {{feature: ol.Feature,
* geometry: ol.geom.Geometry,
* @typedef {{depth: (Array.<number>|undefined),
* feature: ol.Feature,
* geometry: ol.geom.SimpleGeometry,
* index: (number|undefined),
* segment: Array.<ol.Extent>}}
*/
@@ -257,17 +258,20 @@ ol.interaction.Modify.prototype.writeMultiLineStringGeometry_ =
ol.interaction.Modify.prototype.writePolygonGeometry_ =
function(feature, geometry) {
var rings = geometry.getCoordinates();
var coordinates = rings[0];
var i, ii, segment, segmentData;
for (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,
segment: segment
});
this.rBush_.insert(ol.extent.boundingExtent(segment), segmentData);
var coordinates, i, ii, j, jj, segment, segmentData;
for (j = 0, jj = rings.length; j < jj; ++j) {
coordinates = rings[j];
for (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,
segment: segment
});
this.rBush_.insert(ol.extent.boundingExtent(segment), segmentData);
}
}
};
@@ -280,19 +284,22 @@ ol.interaction.Modify.prototype.writePolygonGeometry_ =
ol.interaction.Modify.prototype.writeMultiPolygonGeometry_ =
function(feature, geometry) {
var polygons = geometry.getCoordinates();
var coordinates, i, ii, j, jj, segment, segmentData;
for (j = 0, jj = polygons.length; j < jj; ++j) {
coordinates = polygons[j][0];
for (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,
segment: segment
});
this.rBush_.insert(ol.extent.boundingExtent(segment), segmentData);
var coordinates, i, ii, j, jj, k, kk, rings, segment, segmentData;
for (k = 0, kk = polygons.length; k < kk; ++k) {
rings = polygons[k];
for (j = 0, jj = rings.length; j < jj; ++j) {
coordinates = rings[j];
for (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, k],
index: i,
segment: segment
});
this.rBush_.insert(ol.extent.boundingExtent(segment), segmentData);
}
}
}
};
@@ -430,11 +437,11 @@ ol.interaction.Modify.prototype.handleDrag = function(evt) {
segment[index] = vertex;
break;
case ol.geom.GeometryType.POLYGON:
coordinates[0][segmentData.index + index] = vertex;
coordinates[depth[0]][segmentData.index + index] = vertex;
segment[index] = vertex;
break;
case ol.geom.GeometryType.MULTI_POLYGON:
coordinates[depth[0]][0][segmentData.index + index] = vertex;
coordinates[depth[1]][depth[0]][segmentData.index + index] = vertex;
segment[index] = vertex;
break;
}
@@ -574,12 +581,12 @@ ol.interaction.Modify.prototype.insertVertex_ = function(segmentData, vertex) {
case ol.geom.GeometryType.POLYGON:
goog.asserts.assertInstanceof(geometry, ol.geom.Polygon);
coordinates = geometry.getCoordinates();
coordinates[0].splice(index + 1, 0, vertex);
coordinates[depth[0]].splice(index + 1, 0, vertex);
break;
case ol.geom.GeometryType.MULTI_POLYGON:
goog.asserts.assertInstanceof(geometry, ol.geom.MultiPolygon);
coordinates = geometry.getCoordinates();
coordinates[depth[0]][0].splice(index + 1, 0, vertex);
coordinates[depth[1]][depth[0]].splice(index + 1, 0, vertex);
break;
case ol.geom.GeometryType.LINE_STRING:
goog.asserts.assertInstanceof(geometry, ol.geom.LineString);
@@ -605,7 +612,8 @@ ol.interaction.Modify.prototype.insertVertex_ = function(segmentData, vertex) {
for (var i = 0, ii = segmentDataMatches.length; i < ii; ++i) {
var segmentDataMatch = segmentDataMatches[i];
if (segmentDataMatch.geometry === geometry &&
segmentDataMatch.depth[0] == depth[0] &&
(!goog.isDef(depth) ||
goog.array.equals(segmentDataMatch.depth, depth)) &&
segmentDataMatch.index > index) {
++segmentDataMatch.index;
}