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PolygonMarkers.java
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PolygonMarkers.java
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/**
* The MIT License
* <p>
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* <p>
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* <p>
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* <p>
* This code was sourced from the National Geospatial Intelligency Agency and was
* originally licensed under the MIT license. It has been modified to support
* osmdroid's APIs.
* <p>
* You can find the original code base here:
* https://github.com/ngageoint/geopackage-android-map
* https://github.com/ngageoint/geopackage-android
*/
package org.osmdroid.gpkg.overlay.features;
import org.osmdroid.gpkg.overlay.OsmMapShapeConverter;
import org.osmdroid.views.overlay.Marker;
import org.osmdroid.views.overlay.Polygon;
import java.util.ArrayList;
import java.util.List;
/**
* Polygon with Markers object
*
* @author osbornb
*/
public class PolygonMarkers implements ShapeWithChildrenMarkers {
private final OsmMapShapeConverter converter;
private Polygon polygon;
private List<Marker> markers = new ArrayList<Marker>();
private List<PolygonHoleMarkers> holes = new ArrayList<PolygonHoleMarkers>();
/**
* Constructor
*
* @param converter
*/
public PolygonMarkers(OsmMapShapeConverter converter) {
this.converter = converter;
}
public Polygon getPolygon() {
return polygon;
}
public void setPolygon(Polygon polygon) {
this.polygon = polygon;
}
public void add(Marker marker) {
markers.add(marker);
}
/**
* {@inheritDoc}
*/
@Override
public List<Marker> getMarkers() {
return markers;
}
public void setMarkers(List<Marker> markers) {
this.markers = markers;
}
public void addHole(PolygonHoleMarkers hole) {
holes.add(hole);
}
public List<PolygonHoleMarkers> getHoles() {
return holes;
}
public void setHoles(List<PolygonHoleMarkers> holes) {
this.holes = holes;
}
/**
* Update based upon marker changes
public void update() {
if (polygon != null) {
if (isDeleted()) {
remove();
} else {
List<GeoPoint> points = converter.getPointsFromMarkers(markers);
polygon.setPoints(points);
List<List<GeoPoint>> holePointList = new ArrayList<List<GeoPoint>>();
for (PolygonHoleMarkers hole : holes) {
if (!hole.isDeleted()) {
List<GeoPoint> holePoints = converter
.getPointsFromMarkers(hole.getMarkers());
holePointList.add(holePoints);
}
}
polygon.setHoles(holePointList);
}
}
} */
/**
* Remove from the map
public void remove() {
if (polygon != null) {
polygon.remove();
polygon = null;
}
for (Marker marker : markers) {
marker.remove();
}
for (PolygonHoleMarkers hole : holes) {
hole.remove();
}
} */
/**
* {@inheritDoc}
*/
@Override
public void setVisible(boolean visible) {
if (polygon != null) {
polygon.setVisible(visible);
}
for (Marker marker : markers) {
marker.setVisible(visible);
}
for (PolygonHoleMarkers hole : holes) {
hole.setVisible(visible);
}
}
/**
* {@inheritDoc}
*/
@Override
public void setVisibleMarkers(boolean visible) {
for (Marker marker : markers) {
marker.setVisible(visible);
}
for (PolygonHoleMarkers hole : holes) {
hole.setVisibleMarkers(visible);
}
}
/**
* Is it valid
*
* @return
*/
public boolean isValid() {
boolean valid = markers.isEmpty() || markers.size() >= 3;
if (valid) {
for (PolygonHoleMarkers hole : holes) {
valid = hole.isValid();
if (!valid) {
break;
}
}
}
return valid;
}
/**
* Is it deleted
*
* @return
*/
public boolean isDeleted() {
return markers.isEmpty();
}
/**
* {@inheritDoc}
@Override public void delete(Marker marker) {
if (markers.remove(marker)) {
marker.remove();
update();
}
} */
/**
* {@inheritDoc}
*/
@Override
public void addNew(Marker marker) {
OsmdroidShapeMarkers.addMarkerAsPolygon(marker, markers);
}
/**
* {@inheritDoc}
*/
@Override
public ShapeMarkers createChild() {
PolygonHoleMarkers hole = new PolygonHoleMarkers(this);
holes.add(hole);
return hole;
}
}