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 other free and open source software ("FOSS") 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.syncing.ui.wizards; import java.io.File; import org.eclipse.core.runtime.Path; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; 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.FileDialog; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import com.aptana.ide.core.CoreStrings; import com.aptana.ide.core.StringUtils; import com.aptana.ide.syncing.core.SyncingPlugin; import com.aptana.ide.syncing.ui.SyncingUIPlugin; import com.aptana.ide.syncing.ui.preferences.IPreferenceConstants; /** * @author Pavel Petrochenko * @author Michael Xia (mxia@aptana.com) */ public class SyncExportPage extends WizardPage implements ModifyListener, SelectionListener { private Text pathText; private Button browseButton; private Button overwriteButton; public SyncExportPage() { super("exportSync"); //$NON-NLS-1$ } public void modifyText(ModifyEvent e) { setPageComplete(pathText.getText().trim().length() > 0); } public void widgetDefaultSelected(SelectionEvent e) { } public void widgetSelected(SelectionEvent e) { FileDialog dialog = new FileDialog(getShell(), SWT.SAVE); String result = dialog.open(); if (result != null) { pathText.setText(result); } } /** * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ public void createControl(final Composite parent) { Composite main = new Composite(parent, SWT.NONE); main.setLayout(new GridLayout(3, false)); Label label = new Label(main, SWT.NONE); label.setText(Messages.SyncExportPage_TO_FILE); pathText = new Text(main, SWT.BORDER); pathText.setText(getPreferenceStore().getString(IPreferenceConstants.EXPORT_INITIAL_PATH)); pathText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); pathText.addModifyListener(this); browseButton = new Button(main, SWT.PUSH); browseButton.setText(StringUtils.ellipsify(CoreStrings.BROWSE)); browseButton.addSelectionListener(this); Group group = new Group(main, SWT.NONE); group.setLayout(new GridLayout()); group.setText(Messages.SyncExportPage_OPTIONS); GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, false); gridData.horizontalSpan = 3; group.setLayoutData(gridData); overwriteButton = new Button(group, SWT.CHECK); overwriteButton.setText(Messages.SyncExportPage_NO_WARNING); overwriteButton.setSelection( getPreferenceStore().getBoolean(IPreferenceConstants.EXPORT_OVEWRITE_FILE_WITHOUT_WARNING)); setTitle(Messages.SyncExportPage_TITLE); setDescription(Messages.SyncExportPage_DESCRIPTION); setControl(main); } /** * @return true if operation succeeded */ public boolean performFinish() { String path = pathText.getText(); boolean overwrite = overwriteButton.getSelection(); File file = new File(path); if (file.exists()) { if (!overwrite) { if (!MessageDialog.openConfirm(getShell(), Messages.SyncExportPage_Overwrite, StringUtils.format(Messages.SyncExportPage_Confirm_Overwrite, file.getAbsolutePath()))) { return false; } } if (!file.canWrite()) { MessageDialog.openError(pathText.getShell(), Messages.SyncExportPage_Error, StringUtils.format(Messages.SyncExportPage_NOT_WRITABLE, file.getAbsolutePath())); return false; } } // CoreIOPlugin.getConnectionPointManager().saveState(new Path(path)); SyncingPlugin.getSiteConnectionManager().saveState(new Path(path)); getPreferenceStore().setValue(IPreferenceConstants.EXPORT_INITIAL_PATH, path); getPreferenceStore().setValue(IPreferenceConstants.EXPORT_OVEWRITE_FILE_WITHOUT_WARNING, overwrite); return true; } private static IPreferenceStore getPreferenceStore() { return SyncingUIPlugin.getDefault().getPreferenceStore(); } }