/* * Copyright (c) 2008-2011, Piccolo2D project, http://piccolo2d.org * Copyright (c) 1998-2008, University of Maryland * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are permitted provided * that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of conditions * and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions * and the following disclaimer in the documentation and/or other materials provided with the * distribution. * * None of the name of the University of Maryland, the name of the Piccolo2D project, or the names of its * contributors may be used to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.piccolo2d.examples; import java.awt.Color; import org.piccolo2d.PCanvas; import org.piccolo2d.PNode; import org.piccolo2d.extras.PFrame; import org.piccolo2d.extras.event.PNotification; import org.piccolo2d.extras.event.PNotificationCenter; import org.piccolo2d.extras.event.PSelectionEventHandler; import org.piccolo2d.nodes.PPath; /** * This example shows how the selection event handler works. It creates a bunch * of objects that can be selected. */ public class SelectionExample extends PFrame { /** * */ private static final long serialVersionUID = 1L; public SelectionExample() { this(null); } public SelectionExample(final PCanvas aCanvas) { super("SelectionExample", false, aCanvas); } public void initialize() { for (int i = 0; i < 5; i++) { for (int j = 0; j < 5; j++) { final PNode rect = PPath.createRectangle(i * 60, j * 60, 50, 50); rect.setPaint(Color.blue); getCanvas().getLayer().addChild(rect); } } // Turn off default navigation event handlers getCanvas().removeInputEventListener(getCanvas().getPanEventHandler()); getCanvas().removeInputEventListener(getCanvas().getZoomEventHandler()); // Create a selection event handler final PSelectionEventHandler selectionEventHandler = new PSelectionEventHandler(getCanvas().getLayer(), getCanvas().getLayer()); getCanvas().addInputEventListener(selectionEventHandler); getCanvas().getRoot().getDefaultInputManager().setKeyboardFocus(selectionEventHandler); PNotificationCenter.defaultCenter().addListener(this, "selectionChanged", PSelectionEventHandler.SELECTION_CHANGED_NOTIFICATION, selectionEventHandler); } public void selectionChanged(final PNotification notfication) { System.out.println("selection changed"); } public static void main(final String[] args) { new SelectionExample(); } }