| /******************************************************************************* |
| * Copyright (c) 2005 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.bpel.common.ui.tray; |
| |
| import org.eclipse.bpel.common.ui.CommonUIPlugin; |
| import org.eclipse.bpel.common.ui.details.IDetailsColors; |
| import org.eclipse.draw2d.ArrowButton; |
| import org.eclipse.draw2d.Button; |
| import org.eclipse.draw2d.Clickable; |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.RangeModel; |
| import org.eclipse.draw2d.ScrollBar; |
| import org.eclipse.draw2d.ScrollBarLayout; |
| import org.eclipse.draw2d.TreeSearch; |
| import org.eclipse.draw2d.Triangle; |
| import org.eclipse.draw2d.geometry.Dimension; |
| import org.eclipse.draw2d.geometry.Insets; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.swt.graphics.Color; |
| |
| |
| public class TrayScrollBar extends ScrollBar { |
| |
| protected static final int BUTTON_HEIGHT = 13; |
| |
| public TrayScrollBar() { |
| super(); |
| |
| setLayoutManager(new ScrollBarLayout(transposer) { |
| @Override |
| protected Rectangle layoutButtons(ScrollBar scrollBar) { |
| Rectangle bounds = transposer.t(scrollBar.getClientArea()); |
| Dimension buttonSize = new Dimension(bounds.width, BUTTON_HEIGHT); |
| getButtonUp().setBounds(transposer.t(new Rectangle(bounds.getTopLeft(), buttonSize))); |
| Rectangle r = new Rectangle (bounds.x, bounds.bottom() - buttonSize.height, buttonSize.width, buttonSize.height); |
| getButtonDown().setBounds(transposer.t(r)); |
| Rectangle trackBounds = bounds.getCropped(new Insets(buttonSize.height, 0, buttonSize.height, 0)); |
| RangeModel model = scrollBar.getRangeModel(); |
| getButtonUp().setVisible(model.getValue() != model.getMinimum()); |
| getButtonDown().setVisible(model.getValue() != model.getMaximum() - model.getExtent()); |
| return trackBounds; |
| } |
| }); |
| |
| setPageUp(null); |
| setPageDown(null); |
| setThumb(null); |
| setOpaque(false); |
| } |
| |
| // make it non-clickable otherwise it will block tooltips and direct edit |
| @Override |
| public IFigure findFigureAt(int x, int y, TreeSearch search) { |
| IFigure result = super.findFigureAt(x, y, search); |
| if (result != this) |
| return result; |
| return null; |
| } |
| |
| @Override |
| public boolean containsPoint(int x, int y) { |
| IFigure up = getButtonUp(); |
| IFigure down = getButtonDown(); |
| return (up.isVisible() && up.getBounds().contains(x, y)) |
| || (down.isVisible() && down.getBounds().contains(x, y)); |
| } |
| |
| @Override |
| public Dimension getPreferredSize(int wHint, int hHint) { |
| return new Dimension(wHint, hHint); |
| } |
| |
| @Override |
| protected Clickable createDefaultDownButton() { |
| return createButton(); |
| } |
| |
| @Override |
| protected Clickable createDefaultUpButton() { |
| return createButton(); |
| } |
| |
| protected Clickable createButton() { |
| final Color foreground = CommonUIPlugin.getDefault().getColorRegistry().get(IDetailsColors.COLOR_DARK_SHADOW); |
| final Color background = CommonUIPlugin.getDefault().getColorRegistry().get(IDetailsColors.COLOR_TRAY_BACKGROUND); |
| Button result = new ArrowButton() { |
| @Override |
| protected void paintBorder(Graphics graphics) { |
| graphics.setForegroundColor(foreground); |
| Rectangle r = getBounds().getCopy(); |
| r.shrink(0, 2); |
| r.width -= 1; |
| graphics.drawRectangle(r); |
| } |
| }; |
| result.setBackgroundColor(background); |
| // sets the triangle color |
| ((Triangle)result.getChildren().get(0)).setBackgroundColor(foreground); |
| return result; |
| } |
| } |