| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ccvs.ui; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.viewers.CheckStateChangedEvent; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.ICheckStateListener; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| 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.team.internal.ui.dialogs.DialogArea; |
| |
| /** |
| * Reusable area that provides a list to select from and a select all and |
| * deselect all button. |
| */ |
| public class ListSelectionArea extends DialogArea { |
| private Object inputElement; |
| private IStructuredContentProvider contentProvider; |
| private ILabelProvider labelProvider; |
| private String message; |
| private List initialSelections; |
| |
| // the visual selection widget group |
| private CheckboxTableViewer listViewer; |
| |
| private Object[] previousCheckedElements; |
| |
| public static final String LIST_SELECTION = "ListSelection"; //$NON-NLS-1$ |
| |
| /** |
| * Constructor for ListSelectionArea. |
| * @param parentDialog |
| * @param settings |
| */ |
| public ListSelectionArea( |
| Object input, |
| IStructuredContentProvider contentProvider, |
| ILabelProvider labelProvider, |
| String message) { |
| this.inputElement = input; |
| this.contentProvider = contentProvider; |
| this.labelProvider = labelProvider; |
| this.message = message; |
| this.initialSelections = new ArrayList(); |
| } |
| |
| /** |
| * @see org.eclipse.team.internal.ccvs.ui.DialogArea#createArea(org.eclipse.swt.widgets.Composite) |
| */ |
| public void createArea(Composite parent) { |
| |
| Dialog.applyDialogFont(parent); |
| |
| final Composite composite = createComposite(parent, 1, true); |
| |
| initializeDialogUnits(composite); |
| |
| if (message != null) |
| createWrappingLabel(composite, message, 1); |
| |
| listViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER); |
| GridData data = new GridData(SWT.FILL, SWT.FILL, true, true); |
| data.heightHint = 0; // It will expand to the size of the wizard page! |
| data.widthHint = 0; |
| listViewer.getTable().setLayoutData(data); |
| |
| listViewer.setLabelProvider(labelProvider); |
| listViewer.setContentProvider(contentProvider); |
| |
| listViewer.addCheckStateListener(new ICheckStateListener() { |
| public void checkStateChanged(CheckStateChangedEvent event) { |
| Object[] checkedElements = getViewer().getCheckedElements(); |
| firePropertyChangeChange(LIST_SELECTION, previousCheckedElements, checkedElements); |
| previousCheckedElements = checkedElements; |
| } |
| }); |
| |
| addSelectionButtons(composite); |
| |
| initializeViewer(); |
| |
| // initialize page |
| if (!getInitialElementSelections().isEmpty()) |
| checkInitialSelections(); |
| } |
| |
| /** |
| * Initializes this dialog's viewer after it has been laid out. |
| */ |
| private void initializeViewer() { |
| listViewer.setInput(inputElement); |
| } |
| |
| /** |
| * Visually checks the previously-specified elements in this dialog's list |
| * viewer. |
| */ |
| private void checkInitialSelections() { |
| Iterator itemsToCheck = getInitialElementSelections().iterator(); |
| |
| while (itemsToCheck.hasNext()) |
| listViewer.setChecked(itemsToCheck.next(),true); |
| } |
| |
| /** |
| * Add the selection and deselection buttons to the dialog. |
| * @param composite org.eclipse.swt.widgets.Composite |
| */ |
| private void addSelectionButtons(Composite composite) { |
| Composite buttonComposite = new Composite(composite, SWT.RIGHT); |
| buttonComposite.setLayout(new GridLayout(2, false)); |
| buttonComposite.setData(new GridData(SWT.END, SWT.BEGINNING, true, false)); |
| |
| Button selectButton = createButton(buttonComposite, CVSUIMessages.ListSelectionArea_selectAll, GridData.HORIZONTAL_ALIGN_FILL); |
| |
| SelectionListener listener = new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| listViewer.setAllChecked(true); |
| } |
| }; |
| selectButton.addSelectionListener(listener); |
| |
| |
| Button deselectButton = createButton(buttonComposite, CVSUIMessages.ListSelectionArea_deselectAll, GridData.HORIZONTAL_ALIGN_FILL); |
| |
| listener = new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| listViewer.setAllChecked(false); |
| |
| } |
| }; |
| deselectButton.addSelectionListener(listener); |
| } |
| |
| /** |
| * Returns the list of initial element selections. |
| * @return List |
| */ |
| protected List getInitialElementSelections(){ |
| return initialSelections; |
| } |
| |
| /** |
| * Returns the listViewer. |
| * @return CheckboxTableViewer |
| */ |
| public CheckboxTableViewer getViewer() { |
| return listViewer; |
| } |
| |
| } |