| /******************************************************************************* |
| * Copyright (c) 2006 Tom Schindl 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: |
| * Tom Schindl - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.viewers; |
| |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeColumn; |
| |
| /** |
| * ViewerColumn implementation for TreeViewer to enable column-specific label |
| * providers and editing support. |
| * |
| * @since 3.3 |
| * |
| */ |
| public final class TreeViewerColumn extends ViewerColumn { |
| private TreeColumn column; |
| |
| /** |
| * Creates a new viewer column for the given {@link TreeViewer} on a new |
| * {@link TreeColumn} with the given style bits. The column is inserted at |
| * the given index into the list of columns. |
| * |
| * @param viewer |
| * the tree viewer to which this column belongs |
| * @param style |
| * the style bits used to create the column, for applicable style bits |
| * see {@link TreeColumn} |
| * @see TreeColumn#TreeColumn(Tree, int) |
| */ |
| public TreeViewerColumn(TreeViewer viewer, int style) { |
| this(viewer, style, -1); |
| } |
| |
| /** |
| * Creates a new viewer column for the given {@link TreeViewer} on a new |
| * {@link TreeColumn} with the given style bits. The column is added at the |
| * end of the list of columns. |
| * |
| * @param viewer |
| * the tree viewer to which this column belongs |
| * @param style |
| * the style bits used to create the column, for applicable style bits |
| * see {@link TreeColumn} |
| * @param index |
| * the index at which to place the newly created column |
| * @see TreeColumn#TreeColumn(Tree, int, int) |
| */ |
| public TreeViewerColumn(TreeViewer viewer, int style, int index) { |
| this(viewer, createColumn(viewer.getTree(), style, index)); |
| } |
| |
| /** |
| * Creates a new viewer column for the given {@link TreeViewer} on the given |
| * {@link TreeColumn}. |
| * |
| * @param viewer |
| * the tree viewer to which this column belongs |
| * @param column |
| * the underlying tree column |
| */ |
| public TreeViewerColumn(TreeViewer viewer, TreeColumn column) { |
| super(viewer, column); |
| this.column = column; |
| } |
| |
| private static TreeColumn createColumn(Tree table, int style, int index) { |
| if (index >= 0) { |
| return new TreeColumn(table, style, index); |
| } |
| |
| return new TreeColumn(table, style); |
| } |
| |
| /** |
| * @return the underlying SWT column |
| */ |
| public TreeColumn getColumn() { |
| return column; |
| } |
| } |