| /****************************************************************************** |
| * Copyright (c) 2002, 2010 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.diagram.ui.internal.figures; |
| |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.RectangleFigure; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gmf.runtime.diagram.ui.internal.l10n.DiagramUIPluginImages; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * @author sshaw |
| * @canBeSeenBy org.eclipse.gmf.runtime.diagram.ui.* |
| * |
| * Figure used to represent the collapse handle in the corner of a list compartment or shape compartment. |
| */ |
| public class CollapseFigure extends RectangleFigure { |
| |
| private boolean collapsed = false; |
| private IFigure containerFigure = null; |
| |
| private static boolean isWinOS = SWT.getPlatform().equals("win32"); //$NON-NLS-1$ |
| |
| /** |
| * Constrcuts an instance |
| */ |
| public CollapseFigure() { |
| super(); |
| } |
| |
| /** |
| * Constrcuts an instance |
| * |
| * @param containerFigure |
| * containers's figure |
| */ |
| public CollapseFigure(IFigure containerFigure) { |
| super(); |
| this.containerFigure = containerFigure; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.draw2d.Shape#fillShape(org.eclipse.draw2d.Graphics) |
| */ |
| protected void fillShape(Graphics graphics) { |
| |
| Image img; |
| |
| if (isCollapsed()) { |
| if (isWinOS) { |
| img = DiagramUIPluginImages.get(DiagramUIPluginImages.IMG_HANDLE_EXPAND_WIN); |
| } else { |
| img = DiagramUIPluginImages.get(DiagramUIPluginImages.IMG_HANDLE_EXPAND); |
| } |
| } else { |
| if (isWinOS) { |
| img = DiagramUIPluginImages.get(DiagramUIPluginImages.IMG_HANDLE_COLLAPSE_WIN); |
| } else { |
| img = DiagramUIPluginImages.get(DiagramUIPluginImages.IMG_HANDLE_COLLAPSE); |
| } |
| } |
| graphics.drawImage(img, getBounds().x, getBounds().y); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.draw2d.Shape#outlineShape(org.eclipse.draw2d.Graphics) |
| */ |
| protected void outlineShape(Graphics graphics) { |
| // do nothing |
| } |
| |
| /** |
| * isCollapsed |
| * Utility method to determine if the IFigure is collapse or not. |
| * |
| * @return true if collapse, false otherwise. |
| */ |
| public boolean isCollapsed() { |
| return collapsed; |
| } |
| |
| /** |
| * setCollapsed |
| * Setter method to change collapsed state of the figure. Will force update |
| * to repaint the figure to reflect the changes. |
| * |
| * @param b boolean true to set collapsed, false to uncollapse. |
| */ |
| public void setCollapsed(boolean b) { |
| collapsed = b; |
| revalidate(); |
| repaint(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.draw2d.Figure#isVisible() |
| */ |
| public boolean isVisible() { |
| boolean visibility = super.isVisible(); |
| if (visibility && containerFigure != null) { |
| /* |
| * Try to hide the handle if it's to be drawn outside of the |
| * container edit part figure |
| */ |
| Rectangle containerBounds = containerFigure.getClientArea() |
| .getCopy(); |
| containerFigure.translateToAbsolute(containerBounds); |
| translateToRelative(containerBounds); |
| return containerBounds.contains(getBounds()); |
| } |
| return visibility; |
| } |
| |
| |
| |
| } |