Java tutorial
/*---------------- FILE HEADER KALYPSO ------------------------------------------ * * This file is part of kalypso. * Copyright (C) 2004 by: * * Technical University Hamburg-Harburg (TUHH) * Institute of River and coastal engineering * Denickestrae 22 * 21073 Hamburg, Germany * http://www.tuhh.de/wb * * and * * Bjoernsen Consulting Engineers (BCE) * Maria Trost 3 * 56070 Koblenz, Germany * http://www.bjoernsen.de * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Contact: * * E-Mail: * belger@bjoernsen.de * schlienger@bjoernsen.de * v.doemming@tuhh.de * * ---------------------------------------------------------------------------*/ package org.kalypso.model.wspm.tuhh.ui.wizards; import java.util.Arrays; import org.eclipse.core.databinding.observable.set.WritableSet; import org.eclipse.core.resources.IProject; import org.eclipse.jface.databinding.viewers.IViewerObservableSet; import org.eclipse.jface.databinding.viewers.ViewersObservables; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.ui.internal.WorkbenchMessages; import org.eclipse.ui.model.WorkbenchLabelProvider; import org.kalypso.commons.databinding.DataSetBinder; import org.kalypso.commons.databinding.jface.wizard.DatabindingWizardPage; import org.kalypso.model.wspm.tuhh.core.wspwin.WspWinExportProjectData; import org.kalypso.model.wspm.tuhh.ui.i18n.Messages; /** * @author thuel2 */ @SuppressWarnings("restriction") public class WspWinExportProjectSelectionPage extends WizardPage { private Button m_selectAllButton; private Button m_deselectAllButton; private final WspWinExportProjectData m_data; private DatabindingWizardPage m_binding; /** * Creates an instance of this class * * @param aWorkbench * IWorkbench */ protected WspWinExportProjectSelectionPage(final String pageName, final WspWinExportProjectData data) { super(pageName); m_data = data; setTitle(Messages.getString("WspWinExportProjectSelectionPage_0")); //$NON-NLS-1$ setDescription(Messages.getString("WspWinExportProjectSelectionPage_1")); //$NON-NLS-1$ } /** * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ @Override public void createControl(final Composite parent) { initializeDialogUnits(parent); final Composite composite = new Composite(parent, SWT.NULL); composite.setLayout(new GridLayout()); composite.setFont(parent.getFont()); setControl(composite); m_binding = new DatabindingWizardPage(this, null); createResourcesGroup(composite); createButtonsGroup(composite); } /** * Creates the checkbox tree and list for selecting resources. * * @param parent * the parent control */ protected final void createResourcesGroup(final Composite parent) { final Table table = new Table(parent, SWT.BORDER | SWT.CHECK); final CheckboxTableViewer viewer = new CheckboxTableViewer(table); viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); viewer.setContentProvider(new ArrayContentProvider()); viewer.setLabelProvider(new WorkbenchLabelProvider()); viewer.setComparator(new ViewerComparator()); viewer.setInput(m_data.getWspmProjects()); final IViewerObservableSet target = ViewersObservables.observeCheckedElements(viewer, IProject.class); final WritableSet model = m_data.getSelectedProjectList(); final DataSetBinder binder = new DataSetBinder(target, model); m_binding.bindValue(binder); } /** * // * Creates the buttons for selecting specific types or selecting all or none of the // * elements. // * // * * * @param parent * the parent control // */ protected final void createButtonsGroup(final Composite parent) { // top level group final Composite buttonComposite = new Composite(parent, SWT.NONE); buttonComposite.setFont(parent.getFont()); buttonComposite.setLayout(new GridLayout(3, true)); buttonComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); m_selectAllButton = createButton(buttonComposite, IDialogConstants.SELECT_ALL_ID, WorkbenchMessages.SelectionDialog_selectLabel, false); //$NON-NLS-1$ final WritableSet selectedProjectList = m_data.getSelectedProjectList(); final IProject[] wspmProjects = m_data.getWspmProjects(); m_selectAllButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { selectedProjectList.addAll(Arrays.asList(wspmProjects)); } }); setButtonLayoutData(m_selectAllButton); m_deselectAllButton = createButton(buttonComposite, IDialogConstants.DESELECT_ALL_ID, WorkbenchMessages.SelectionDialog_deselectLabel, false); //$NON-NLS-1$ m_deselectAllButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { selectedProjectList.clear(); } }); setButtonLayoutData(m_deselectAllButton); } /** * Creates a new button with the given id. * <p> * The <code>Dialog</code> implementation of this framework method creates a standard push button, registers for * selection events including button presses and registers default buttons with its shell. The button id is stored as * the buttons client data. Note that the parent's layout is assumed to be a GridLayout and the number of columns in * this layout is incremented. Subclasses may override. * </p> * * @param parent * the parent composite * @param id * the id of the button (see <code>IDialogConstants.*_ID</code> constants for standard dialog button ids) * @param label * the label from the button * @param defaultButton * <code>true</code> if the button is to be the default button, and <code>false</code> otherwise */ private Button createButton(final Composite parent, final int id, final String label, final boolean defaultButton) { // increment the number of columns in the button bar ((GridLayout) parent.getLayout()).numColumns++; final Button button = new Button(parent, SWT.PUSH); button.setFont(parent.getFont()); final GridData buttonData = new GridData(GridData.FILL_HORIZONTAL); button.setLayoutData(buttonData); button.setData(Integer.valueOf(id)); button.setText(label); button.setFont(parent.getFont()); if (defaultButton) { final Shell shell = parent.getShell(); if (shell != null) { shell.setDefaultButton(button); } button.setFocus(); } button.setFont(parent.getFont()); setButtonLayoutData(button); return button; } }