| /****************************************************************************** |
| * Copyright (c) 2002, 2004 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.gmf.runtime.gef.ui.internal.parts; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * A cell editor that manages a multiline wrappable text entry field. |
| * The cell editor's value is the text string itself. |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @canBeSeenBy %partners |
| */ |
| public class WrapTextCellEditor extends TextCellEditorEx { |
| |
| /** |
| * Default MultiLineTextCellEditor style |
| * specify no borders on text widget as cell outline in table already |
| * provides the look of a border. |
| */ |
| private static final int defaultStyle = SWT.WRAP | SWT.MULTI; |
| |
| /** |
| * Creates a new text string cell editor with no control |
| * The cell editor value is the string itself, which is initially the empty |
| * string. Initially, the cell editor has no cell validator. |
| */ |
| public WrapTextCellEditor() { |
| setStyle(defaultStyle); |
| } |
| /** |
| * Creates a new text string cell editor parented under the given control. |
| * The cell editor value is the string itself, which is initially the empty string. |
| * Initially, the cell editor has no cell validator. |
| * |
| * @param parent the parent control |
| */ |
| public WrapTextCellEditor(Composite parent) { |
| this(parent, defaultStyle); |
| } |
| /** |
| * Creates a new text string cell editor parented under the given control. |
| * The cell editor value is the string itself, which is initially the empty string. |
| * Initially, the cell editor has no cell validator. |
| * |
| * @param parent the parent control |
| * @param style the style bits |
| */ |
| public WrapTextCellEditor(Composite parent, int style) { |
| super(parent, style); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.CellEditor#keyReleaseOccured(org.eclipse.swt.events.KeyEvent) |
| */ |
| protected void keyReleaseOccured(KeyEvent keyEvent) { |
| // The super behavior of this method is to apply the cell editor value |
| // if the 'Return' key is pressed with the 'CTRL' key. Otherwise, the |
| // 'Return' key is used to insert a new line. This is exactly opposite |
| // to what we expect in this editor and that is why we are reversing it. |
| if (keyEvent.character == '\r') { |
| if ((keyEvent.stateMask & SWT.CTRL) != 0) |
| keyEvent.stateMask &= ~SWT.CTRL; |
| else |
| keyEvent.stateMask |= SWT.CTRL; |
| } |
| super.keyReleaseOccured(keyEvent); |
| } |
| } |