Java tutorial
/** * This file Copyright (c) 2005-2010 Aptana, Inc. This program is * dual-licensed under both the Aptana Public License and the GNU General * Public license. You may elect to use one or the other of these licenses. * * This program is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. Redistribution, except as permitted by whichever of * the GPL or APL you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or modify this * program under the terms of the GNU General Public License, * Version 3, as published by the Free Software Foundation. You should * have received a copy of the GNU General Public License, Version 3 along * with this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Aptana provides a special exception to allow redistribution of this file * with certain Eclipse Public Licensed code and certain additional terms * pursuant to Section 7 of the GPL. You may view the exception and these * terms on the web at http://www.aptana.com/legal/gpl/. * * 2. For the Aptana Public License (APL), this program and the * accompanying materials are made available under the terms of the APL * v1.0 which accompanies this distribution, and is available at * http://www.aptana.com/legal/apl/. * * You may view the GPL, Aptana's exception and additional terms, and the * APL in the file titled license.html at the root of the corresponding * plugin containing this source file. * * Any modifications to this file must keep this entire header intact. */ package com.aptana.ide.update.ui; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TrayDialog; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.swt.SWT; import org.eclipse.swt.browser.Browser; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import com.aptana.ide.update.preferences.IPreferenceConstants; public class BrowserDialog extends TrayDialog { private Browser browser; private String announceURL; private final int height; private final int width; private Button bTurnOffAllAnnouncements; private Button bTurnOffThisAnnouncement; public BrowserDialog(Shell parentShell, String announceURL, int height, int width) { super(parentShell); this.announceURL = announceURL; this.height = height; this.width = width; setShellStyle(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); setHelpAvailable(false); setBlockOnOpen(false); } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText(Messages.BrowserDialog_AnnouncementTitle); } @Override protected Control createDialogArea(Composite parent) { browser = new Browser(parent, SWT.BORDER); GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true); gridData.widthHint = width; gridData.heightHint = height; browser.setLayoutData(gridData); browser.setUrl(announceURL); return browser; } @Override protected Control createButtonBar(Composite parent) { Composite composite = new Composite(parent, SWT.None); GridLayout layout = new GridLayout(); layout.marginWidth = 0; layout.marginHeight = 0; layout.horizontalSpacing = 0; composite.setLayout(layout); composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false)); composite.setFont(parent.getFont()); // create help control if needed if (isHelpAvailable()) { Control helpControl = createHelpControl(composite); ((GridData) helpControl.getLayoutData()).horizontalIndent = convertHorizontalDLUsToPixels( IDialogConstants.HORIZONTAL_MARGIN); } Composite checkboxComposite = new Composite(composite, SWT.NONE); GridLayout layout2 = new GridLayout(); layout2.numColumns = 2; layout2.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN); layout2.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout2.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); layout2.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING); checkboxComposite.setLayout(layout2); checkboxComposite.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false)); checkboxComposite.setFont(parent.getFont()); bTurnOffThisAnnouncement = new Button(checkboxComposite, SWT.CHECK); bTurnOffThisAnnouncement.setText(Messages.BrowserDialog_Label_DoNotShowThisAnnouncementAgain); new Label(checkboxComposite, SWT.None); bTurnOffAllAnnouncements = new Button(checkboxComposite, SWT.CHECK); bTurnOffAllAnnouncements.setText(Messages.BrowserDialog_Label_DoNotShowAllAnnouncements); Button okButton = createButton(composite, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); GridData okGridData = (GridData) okButton.getLayoutData(); okGridData.grabExcessVerticalSpace = false; okGridData.horizontalSpan = 2; okGridData.verticalAlignment = SWT.END; okGridData.horizontalAlignment = SWT.END; return composite; } @Override protected void buttonPressed(int buttonId) { if (buttonId == IDialogConstants.OK_ID) { IPreferenceStore prefs = UpdateUIActivator.getDefault().getPreferenceStore(); prefs.setValue(IPreferenceConstants.NEVER_SHOW_THIS_ANNOUNCEMENT, bTurnOffThisAnnouncement.getSelection()); prefs.setValue(IPreferenceConstants.NEVER_SHOW_ANNOUNCEMENTS, bTurnOffAllAnnouncements.getSelection()); } super.buttonPressed(buttonId); } }