/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2012, Refractions Research Inc.
* (C) 2006, Axios Engineering S.L. (Axios)
* (C) 2006, County Council of Gipuzkoa, Department of Environment and Planning
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Axios BSD
* License v1.0 (http://udig.refractions.net/files/asd3-v10.html).
*/
package org.locationtech.udig.tools.parallel.internal.behaviour;
import org.locationtech.udig.project.command.UndoableMapCommand;
import org.locationtech.udig.project.ui.render.displayAdapter.MapMouseEvent;
import org.locationtech.udig.tools.edit.EditPlugin;
import org.locationtech.udig.tools.edit.EditState;
import org.locationtech.udig.tools.edit.EditToolHandler;
import org.locationtech.udig.tools.edit.EventBehaviour;
import org.locationtech.udig.tools.edit.EventType;
import org.locationtech.udig.tools.edit.support.EditBlackboard;
import org.locationtech.udig.tools.edit.support.Point;
import com.vividsolutions.jts.geom.Coordinate;
//TOTO remove old imports
//import es.axios.udig.ui.editingtools.precisionparallels.internal.ParallelContext;
import org.locationtech.udig.tools.parallel.internal.ParallelContext;
import org.locationtech.udig.tools.parallel.internal.command.SetInitialPointCommand;
/**
*
* The user points the initial point.
* <p>
* Requirements:
* <ul>
* <li>state==MODIFYING or NONE</li>
* <li>event type == RELEASED</li>
* <li>button1 must be the button that was released</li>
* <li>Must exist a previous reference line</li>
* <li>Must not be over a feature</li>
* </ul>
* </p>
*
* @author Aritz Davila (www.axios.es)
* @author Mauricio Pazos (www.axios.es)
*
*/
public class SetInitialPointEventBehaviour implements EventBehaviour {
private ParallelContext parallelContext = null;
public SetInitialPointEventBehaviour(ParallelContext parallelContext) {
this.parallelContext = parallelContext;
}
public boolean isValid(EditToolHandler handler, MapMouseEvent e, EventType eventType) {
boolean legalState = handler.getCurrentState() == EditState.NONE
|| handler.getCurrentState() == EditState.MODIFYING;
boolean legalButton = e.button == MapMouseEvent.BUTTON1;
boolean releasedEvent = eventType == EventType.RELEASED;
if (!legalState || !legalButton || !releasedEvent) {
return false;
}
//XXXX
// if (parallelContext.getReferenceLine() != null ){// && !(PrecisionToolsUtil.isFeatureUnderCursor(handler, e))) {
// return true;
// }
if (parallelContext.getReferenceFeature() != null ){// && !(PrecisionToolsUtil.isFeatureUnderCursor(handler, e))) {
return true;
}
return false;
}
public UndoableMapCommand getCommand(EditToolHandler handler, MapMouseEvent e, EventType eventType) {
if (!isValid(handler, e, eventType)) {
throw new IllegalArgumentException("Behaviour is not valid for the current state"); //$NON-NLS-1$
}
EditBlackboard bb = handler.getEditBlackboard(handler.getEditLayer());
Point currPoint = Point.valueOf(e.x, e.y);
Coordinate coor = bb.toCoord(currPoint);
SetInitialPointCommand setInitialPointCommand = new SetInitialPointCommand(this.parallelContext, coor);
return setInitialPointCommand;
}
public void handleError(EditToolHandler handler, Throwable error, UndoableMapCommand command) {
EditPlugin.log("", error); //$NON-NLS-1$
}
}