| /******************************************************************************* |
| * Copyright (c) 2002, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.cheatsheets.views; |
| |
| import org.eclipse.jface.resource.*; |
| import org.eclipse.jface.util.*; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.forms.widgets.*; |
| import org.eclipse.ui.internal.cheatsheets.CheatSheetStopWatch; |
| |
| public abstract class Page { |
| protected Composite cheatSheetComposite; |
| |
| protected final static int HORZ_SCROLL_INCREMENT = 20; |
| protected final static int VERT_SCROLL_INCREMENT = 20; |
| |
| //Colors |
| protected Color backgroundColor; |
| private Color[] colorArray; |
| private final RGB bottomRGB = new RGB(255, 255, 255); |
| private final RGB midRGB = new RGB(242, 252, 254); |
| private final RGB topRGB = new RGB(232, 242, 254); |
| |
| protected FormToolkit toolkit; |
| protected ScrolledForm form; |
| |
| public Page() { |
| } |
| |
| public Control getControl() { |
| return cheatSheetComposite; |
| } |
| |
| public void createPart(Composite parent) { |
| init(parent.getDisplay()); |
| |
| cheatSheetComposite = new Composite(parent, SWT.NONE); |
| cheatSheetComposite.setRedraw(false); |
| GridLayout layout = new GridLayout(); |
| layout.marginHeight = 0; |
| layout.marginWidth = 0; |
| layout.verticalSpacing = 0; |
| layout.horizontalSpacing = 0; |
| layout.numColumns = 1; |
| cheatSheetComposite.setLayout(layout); |
| cheatSheetComposite.setBackground(backgroundColor); |
| cheatSheetComposite.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| createTitleArea(cheatSheetComposite); |
| createInfoArea(cheatSheetComposite); |
| cheatSheetComposite.setRedraw(true); |
| } |
| |
| /** |
| * Creates the main composite area of the view. |
| * |
| * @param parent the SWT parent for the title area composite |
| * @return the created info area composite |
| */ |
| protected void createInfoArea(Composite parent) { |
| CheatSheetStopWatch.startStopWatch("Page.createInfoArea()"); //$NON-NLS-1$ |
| toolkit = new FormToolkit(parent.getDisplay()); |
| CheatSheetStopWatch.printLapTime("Page.createInfoArea()", "Time in Page.createInfoArea() after new FormToolkit(): "); //$NON-NLS-1$ //$NON-NLS-2$ |
| form = toolkit.createScrolledForm(parent); |
| form.setDelayedReflow(true); |
| CheatSheetStopWatch.printLapTime("Page.createInfoArea()", "Time in Page.createInfoArea() after createScrolledForm(): "); //$NON-NLS-1$ //$NON-NLS-2$ |
| form.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| CheatSheetStopWatch.printLapTime("Page.createInfoArea()", "Time in Page.createInfoArea() after setLayoutData(): "); //$NON-NLS-1$ //$NON-NLS-2$ |
| TableWrapLayout layout = new TableWrapLayout(); |
| CheatSheetStopWatch.printLapTime("Page.createInfoArea()", "Time in Page.createInfoArea() after new FormTableWrapLayout(): "); //$NON-NLS-1$ //$NON-NLS-2$ |
| layout.numColumns = 2; |
| layout.verticalSpacing = 3; |
| form.getBody().setLayout(layout); |
| |
| CheatSheetStopWatch.printLapTime("Page.createInfoArea()", "Time in Page.createInfoArea() end of method: "); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| /** |
| * Creates the cheatsheet's title areawhich will consists |
| * of a title and image. |
| * |
| * @param parent the SWT parent for the title area composite |
| */ |
| private void createTitleArea(Composite parent) { |
| // Message label |
| final CLabel messageLabel = new CLabel(parent, SWT.NONE); |
| messageLabel.setBackground(colorArray, new int[] { 85, 100 }, true); |
| |
| messageLabel.setText(getTitle()); |
| messageLabel.setFont(JFaceResources.getHeaderFont()); |
| GridData ldata = new GridData(GridData.FILL_HORIZONTAL); |
| ldata.grabExcessHorizontalSpace = true; |
| messageLabel.setLayoutData(ldata); |
| |
| final IPropertyChangeListener fontListener = new IPropertyChangeListener() { |
| public void propertyChange(PropertyChangeEvent event) { |
| if (JFaceResources.HEADER_FONT.equals(event.getProperty())) { |
| messageLabel.setFont(JFaceResources.getHeaderFont()); |
| } |
| } |
| }; |
| |
| messageLabel.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent event) { |
| JFaceResources.getFontRegistry().removeListener(fontListener); |
| } |
| }); |
| |
| JFaceResources.getFontRegistry().addListener(fontListener); |
| |
| GridData gridData = new GridData(GridData.FILL_HORIZONTAL); |
| messageLabel.setLayoutData(gridData); |
| } |
| |
| public void dispose() { |
| for (int i = 0; i < colorArray.length; i++) { |
| if (colorArray[i] != null) |
| colorArray[i].dispose(); |
| } |
| |
| if (cheatSheetComposite != null) |
| cheatSheetComposite.dispose(); |
| |
| if(toolkit != null) { |
| toolkit.dispose(); |
| } |
| } |
| |
| protected void init(Display display) { |
| // Get the background color for the cheatsheet controls |
| backgroundColor = JFaceColors.getBannerBackground(display); |
| |
| colorArray = new Color[] { new Color(display, topRGB), new Color(display, midRGB), new Color(display, bottomRGB)}; |
| } |
| |
| protected abstract String getTitle(); |
| } |