| /******************************************************************************* |
| * Copyright (c) 2002, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.cheatsheets.views; |
| |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| import org.eclipse.ui.forms.widgets.ScrolledForm; |
| import org.eclipse.ui.forms.widgets.TableWrapLayout; |
| import org.eclipse.ui.internal.cheatsheets.CheatSheetStopWatch; |
| |
| public abstract class Page { |
| protected final static int HORZ_SCROLL_INCREMENT = 20; |
| |
| protected final static int VERT_SCROLL_INCREMENT = 20; |
| |
| // Colors |
| protected Color backgroundColor; |
| |
| protected FormToolkit toolkit; |
| |
| protected ScrolledForm form; |
| |
| public Page() { |
| } |
| |
| public Control getControl() { |
| return form; |
| } |
| |
| public void createPart(Composite parent) { |
| init(parent.getDisplay()); |
| CheatSheetStopWatch.startStopWatch("Page.createInfoArea()"); //$NON-NLS-1$ |
| CheatSheetStopWatch |
| .printLapTime( |
| "Page.createInfoArea()", "Time in Page.createInfoArea() after new FormToolkit(): "); //$NON-NLS-1$ //$NON-NLS-2$ |
| form = toolkit.createScrolledForm(parent); |
| form.setData("novarrows", Boolean.TRUE); //$NON-NLS-1$ |
| form.setText(ViewUtilities.escapeForLabel(getTitle())); |
| form.setDelayedReflow(true); |
| CheatSheetStopWatch |
| .printLapTime( |
| "Page.createInfoArea()", "Time in Page.createInfoArea() after createScrolledForm(): "); //$NON-NLS-1$ //$NON-NLS-2$ |
| GridData gd = new GridData(GridData.FILL_BOTH); |
| gd.widthHint = 10; |
| form.setLayoutData(gd); |
| 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; |
| // DG - added changes to make the check icon use less space |
| // and to compensate for the fix in section layout |
| // computation that makes it shorter for 3 pixels. |
| layout.leftMargin = 0; |
| layout.horizontalSpacing = 0; |
| layout.verticalSpacing = 3; |
| form.getBody().setLayout(layout); |
| |
| CheatSheetStopWatch |
| .printLapTime( |
| "Page.createInfoArea()", "Time in Page.createInfoArea() end of method: "); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| public void dispose() { |
| if (form != null) { |
| form.dispose(); |
| } |
| |
| if (toolkit != null) { |
| toolkit.dispose(); |
| } |
| form = null; |
| toolkit = null; |
| } |
| |
| protected void init(Display display) { |
| toolkit = new FormToolkit(display); |
| backgroundColor = toolkit.getColors().getBackground(); |
| } |
| |
| protected abstract String getTitle(); |
| |
| public abstract void initialized(); |
| |
| } |