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comparison dwtx/jface/viewers/TreeViewerColumn.d @ 10:b6c35faf97c8

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Viewers
author Frank Benoit <benoit@tionex.de>
date Mon, 31 Mar 2008 00:47:19 +0200
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9:6c14e54dfc11 10:b6c35faf97c8
1 /*******************************************************************************
2 * Copyright (c) 2006 Tom Schindl and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * Tom Schindl - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 ******************************************************************************/
13
14 module dwtx.jface.viewers.TreeViewerColumn;
15
16 import dwtx.jface.viewers.ViewerColumn;
17 import dwtx.jface.viewers.TreeViewer;
18
19 import dwt.widgets.Tree;
20 import dwt.widgets.TreeColumn;
21
22 import dwt.dwthelper.utils;
23
24 /**
25 * ViewerColumn implementation for TreeViewer to enable column-specific label
26 * providers and editing support.
27 *
28 * @since 3.3
29 *
30 */
31 public final class TreeViewerColumn : ViewerColumn {
32 private TreeColumn column;
33
34 /**
35 * Creates a new viewer column for the given {@link TreeViewer} on a new
36 * {@link TreeColumn} with the given style bits. The column is inserted at
37 * the given index into the list of columns.
38 *
39 * @param viewer
40 * the tree viewer to which this column belongs
41 * @param style
42 * the style bits used to create the column, for applicable style bits
43 * see {@link TreeColumn}
44 * @see TreeColumn#TreeColumn(Tree, int)
45 */
46 public this(TreeViewer viewer, int style) {
47 this(viewer, style, -1);
48 }
49
50 /**
51 * Creates a new viewer column for the given {@link TreeViewer} on a new
52 * {@link TreeColumn} with the given style bits. The column is added at the
53 * end of the list of columns.
54 *
55 * @param viewer
56 * the tree viewer to which this column belongs
57 * @param style
58 * the style bits used to create the column, for applicable style bits
59 * see {@link TreeColumn}
60 * @param index
61 * the index at which to place the newly created column
62 * @see TreeColumn#TreeColumn(Tree, int, int)
63 */
64 public this(TreeViewer viewer, int style, int index) {
65 this(viewer, createColumn(viewer.getTree(), style, index));
66 }
67
68 /**
69 * Creates a new viewer column for the given {@link TreeViewer} on the given
70 * {@link TreeColumn}.
71 *
72 * @param viewer
73 * the tree viewer to which this column belongs
74 * @param column
75 * the underlying tree column
76 */
77 public this(TreeViewer viewer, TreeColumn column) {
78 super(viewer, column);
79 this.column = column;
80 }
81
82 private static TreeColumn createColumn(Tree table, int style, int index) {
83 if (index >= 0) {
84 return new TreeColumn(table, style, index);
85 }
86
87 return new TreeColumn(table, style);
88 }
89
90 /**
91 * @return the underlying DWT column
92 */
93 public TreeColumn getColumn() {
94 return column;
95 }
96 }