/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2015, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotoolkit.gui.javafx.render2d.edition;
import com.vividsolutions.jts.geom.Geometry;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import javafx.scene.Cursor;
import javafx.scene.Node;
import javafx.scene.input.MouseButton;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.ScrollEvent;
import javafx.scene.layout.BorderPane;
import org.apache.sis.feature.FeatureExt;
import org.opengis.feature.Feature;
import org.geotoolkit.gui.javafx.render2d.FXMap;
import org.geotoolkit.gui.javafx.render2d.FXPanMouseListen;
import org.geotoolkit.gui.javafx.render2d.shape.FXGeometryLayer;
import org.geotoolkit.internal.GeotkFX;
import org.geotoolkit.internal.Loggers;
import org.geotoolkit.map.FeatureMapLayer;
import org.opengis.feature.AttributeType;
/**
*
* @author Johann Sorel (Geomatys)
*/
public class MoveGeometryTool extends AbstractEditionTool{
public static final class Spi extends AbstractEditionToolSpi{
public Spi() {
super("MoveGeometry",
GeotkFX.getI18NString(MoveGeometryTool.class, "title"),
GeotkFX.getI18NString(MoveGeometryTool.class, "abstract"),
GeotkFX.ICON_MOVE);
}
@Override
public boolean canHandle(Object candidate) {
if(candidate instanceof FeatureMapLayer){
final FeatureMapLayer fml = (FeatureMapLayer) candidate;
if(!fml.getCollection().isWritable()) return false;
final AttributeType desc = FeatureExt.getDefaultGeometryAttribute(fml.getCollection().getFeatureType());
return desc != null;
}
return false;
}
@Override
public EditionTool create(FXMap map, Object layer) {
return new MoveGeometryTool(map, (FeatureMapLayer) layer);
}
};
private final BorderPane configPane = null;
private final BorderPane helpPane = new BorderPane();
private final FeatureMapLayer layer;
private final EditionHelper helper;
private final MouseListen mouseInputListener = new MouseListen();
private final FXGeometryLayer decoration= new EditionLayer();
private Feature feature = null;
private Geometry geometry = null;
private final List<Geometry> subGeometries = new ArrayList<>();
private boolean draggingAll = false;
private MouseButton pressed = null;
private double lastX = 0;
private double lastY = 0;
public MoveGeometryTool(FXMap map, FeatureMapLayer layer) {
super(EditionHelper.getToolSpi("MoveGeometry"));
this.layer = layer;
this.helper = new EditionHelper(map, layer);
}
@Override
public Node getConfigurationPane() {
return configPane;
}
@Override
public Node getHelpPane() {
return helpPane;
}
private void reset(){
feature = null;
geometry = null;
subGeometries.clear();
draggingAll = false;
decoration.getGeometries().clear();
pressed = null;
lastX = 0;
lastY = 0;
}
private void setCurrentFeature(final Feature feature){
this.feature = feature;
if(feature != null){
this.geometry = helper.toObjectiveCRS(feature);
}else{
this.geometry = null;
}
decoration.getGeometries().setAll(this.geometry);
}
@Override
public void install(final FXMap component) {
super.install(component);
component.addEventHandler(MouseEvent.ANY, mouseInputListener);
component.addEventHandler(ScrollEvent.ANY, mouseInputListener);
component.setCursor(Cursor.CROSSHAIR);
component.addDecoration(0,decoration);
}
@Override
public boolean uninstall(FXMap component) {
super.uninstall(component);
component.removeEventHandler(MouseEvent.ANY, mouseInputListener);
component.removeEventHandler(ScrollEvent.ANY, mouseInputListener);
component.removeDecoration(decoration);
return true;
}
private class MouseListen extends FXPanMouseListen {
public MouseListen() {
super(MoveGeometryTool.this);
}
@Override
public void mousePressed(MouseEvent e) {
pressed = e.getButton();
lastX = getMouseX(e);
lastY = getMouseY(e);
if (pressed == MouseButton.PRIMARY) {
//find feature where mouse clicked
if(geometry == null){
setCurrentFeature(helper.grabFeature(lastX,lastY, false));
}
if(geometry != null){
try {
//start dragging mode
final Geometry mouseGeo = helper.mousePositionToGeometry(lastX,lastY);
if(mouseGeo.intersects(geometry)){
draggingAll = true;
}
} catch (Exception ex) {
Loggers.JAVAFX.log(Level.WARNING, null, ex);
}
return;
}
}
super.mousePressed(e);
}
@Override
public void mouseDragged(final MouseEvent e) {
if(draggingAll && pressed == MouseButton.PRIMARY){
double currentX = getMouseX(e);
double currentY = getMouseY(e);
//update geometry/feature position
helper.moveGeometry(geometry, currentX-lastX, currentY-lastY);
decoration.getGeometries().setAll(geometry);
lastX = currentX;
lastY = currentY;
return;
}
super.mouseDragged(e);
}
@Override
public void mouseReleased(final MouseEvent e) {
if(draggingAll && pressed == MouseButton.PRIMARY){
double currentX = getMouseX(e);
double currentY = getMouseY(e);
//last position update
helper.moveGeometry(geometry, currentX-lastX, currentY-lastY);
decoration.getGeometries().setAll(geometry);
//save
helper.sourceModifyFeature(feature, geometry, true);
reset();
return;
}
super.mouseReleased(e);
}
}
}