| /******************************************************************************* |
| * Copyright (c) 2007, 2010 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.equinox.internal.p2.ui.dialogs; |
| |
| import java.net.URL; |
| import org.eclipse.equinox.internal.p2.ui.ProvUI; |
| import org.eclipse.equinox.internal.p2.ui.ProvUIMessages; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.FontMetrics; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.browser.IWebBrowser; |
| import org.eclipse.ui.browser.IWorkbenchBrowserSupport; |
| import org.eclipse.ui.dialogs.PropertyPage; |
| import org.eclipse.ui.statushandlers.StatusManager; |
| |
| /** |
| * PropertyPage that shows an IU's properties |
| * |
| * @since 3.4 |
| */ |
| public abstract class IUPropertyPage extends PropertyPage { |
| |
| @Override |
| protected Control createContents(Composite parent) { |
| noDefaultAndApplyButton(); |
| IInstallableUnit iu = ProvUI.getAdapter(getElement(), IInstallableUnit.class); |
| Control control; |
| if (iu == null) { |
| Label label = new Label(parent, SWT.DEFAULT); |
| label.setText(ProvUIMessages.IUPropertyPage_NoIUSelected); |
| control = label; |
| } |
| control = createIUPage(parent, iu); |
| Dialog.applyDialogFont(parent); |
| return control; |
| } |
| |
| protected int computeWidthLimit(Control control, int nchars) { |
| GC gc = new GC(control); |
| gc.setFont(control.getFont()); |
| FontMetrics fontMetrics = gc.getFontMetrics(); |
| gc.dispose(); |
| return Dialog.convertWidthInCharsToPixels(fontMetrics, nchars); |
| } |
| |
| protected int computeHeightLimit(Control control, int nchars) { |
| GC gc = new GC(control); |
| gc.setFont(control.getFont()); |
| FontMetrics fontMetrics = gc.getFontMetrics(); |
| gc.dispose(); |
| return Dialog.convertHeightInCharsToPixels(fontMetrics, nchars); |
| } |
| |
| protected abstract Control createIUPage(Composite parent, IInstallableUnit iu); |
| |
| protected void showURL(URL url) { |
| IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport(); |
| try { |
| IWebBrowser browser = support.getExternalBrowser(); |
| browser.openURL(url); |
| } catch (PartInitException e) { |
| ProvUI.handleException(e, ProvUIMessages.IUGeneralInfoPropertyPage_CouldNotOpenBrowser, StatusManager.LOG | StatusManager.BLOCK); |
| } |
| } |
| } |