/*******************************************************************************
* Copyright (c) 2015, 2016 itemis AG and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Matthias Wienand (itemis AG) - initial API & implementation
*
*******************************************************************************/
package org.eclipse.gef.zest.fx.handlers;
import org.eclipse.gef.mvc.fx.handlers.AbstractHandler;
import org.eclipse.gef.mvc.fx.handlers.IOnClickHandler;
import org.eclipse.gef.mvc.fx.parts.IVisualPart;
import org.eclipse.gef.zest.fx.models.HidingModel;
import org.eclipse.gef.zest.fx.policies.ShowHiddenNeighborsPolicy;
import com.google.common.collect.SetMultimap;
import javafx.scene.Node;
import javafx.scene.input.MouseEvent;
/**
* The {@link ShowHiddenNeighborsOfFirstAnchorageOnClickHandler} is an
* {@link IOnClickHandler} that shows all hidden neighbors of its host upon
* mouse click by removing them from the {@link HidingModel}.
*
* @author mwienand
*
*/
public class ShowHiddenNeighborsOfFirstAnchorageOnClickHandler extends AbstractHandler
implements IOnClickHandler {
@Override
public void click(MouseEvent e) {
SetMultimap<IVisualPart<? extends Node>, String> anchorages = getHost().getAnchoragesUnmodifiable();
if (anchorages == null || anchorages.isEmpty()) {
return;
}
IVisualPart<? extends Node> anchorage = anchorages.keySet().iterator().next();
ShowHiddenNeighborsPolicy hiddenNeighborsPolicy = anchorage.getAdapter(ShowHiddenNeighborsPolicy.class);
init(hiddenNeighborsPolicy);
hiddenNeighborsPolicy.showHiddenNeighbors();
commit(hiddenNeighborsPolicy);
}
}