1 /*
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.apple.laf;
27
28 import java.awt.*;
29 import java.util.Enumeration;
30
31 import javax.swing.*;
32 import javax.swing.border.Border;
33 import javax.swing.plaf.*;
34 import javax.swing.plaf.basic.BasicTableHeaderUI;
35 import javax.swing.table.*;
36 import com.apple.laf.ClientPropertyApplicator;
37 import com.apple.laf.ClientPropertyApplicator.Property;
38 import com.apple.laf.AquaUtils.RecyclableSingleton;
39
40 public class AquaTableHeaderUI extends BasicTableHeaderUI {
41 private int originalHeaderAlignment;
42 protected int sortColumn;
43 protected int sortOrder;
44
45 public static ComponentUI createUI(final JComponent c) {
46 return new AquaTableHeaderUI();
47 }
48
49 public void installDefaults() {
50 super.installDefaults();
51
52 final TableCellRenderer renderer = header.getDefaultRenderer();
53 if (renderer instanceof UIResource && renderer instanceof DefaultTableCellRenderer) {
54 final DefaultTableCellRenderer defaultRenderer = (DefaultTableCellRenderer)renderer;
55 originalHeaderAlignment = defaultRenderer.getHorizontalAlignment();
56 defaultRenderer.setHorizontalAlignment(SwingConstants.LEADING);
57 }
58 }
59
60 public void uninstallDefaults() {
61 final TableCellRenderer renderer = header.getDefaultRenderer();
62 if (renderer instanceof UIResource && renderer instanceof DefaultTableCellRenderer) {
63 final DefaultTableCellRenderer defaultRenderer = (DefaultTableCellRenderer)renderer;
64 defaultRenderer.setHorizontalAlignment(originalHeaderAlignment);
65 }
66
67 super.uninstallDefaults();
68 }
69
70 final static RecyclableSingleton<ClientPropertyApplicator<JTableHeader, JTableHeader>> TABLE_HEADER_APPLICATORS = new RecyclableSingleton<ClientPropertyApplicator<JTableHeader, JTableHeader>>() {
71 @Override
72 protected ClientPropertyApplicator<JTableHeader, JTableHeader> getInstance() {
73 return new ClientPropertyApplicator<JTableHeader, JTableHeader>(
74 new Property<JTableHeader>("JTableHeader.selectedColumn") {
75 public void applyProperty(final JTableHeader target, final Object value) {
76 tickle(target, value, target.getClientProperty("JTableHeader.sortDirection"));
77 }
78 },
79 new Property<JTableHeader>("JTableHeader.sortDirection") {
80 public void applyProperty(final JTableHeader target, final Object value) {
81 tickle(target, target.getClientProperty("JTableHeader.selectedColumn"), value);
82 }
83 }
84 );
85 }
86 };
87 static ClientPropertyApplicator<JTableHeader, JTableHeader> getTableHeaderApplicators() {
88 return TABLE_HEADER_APPLICATORS.get();
89 }
90
91 static void tickle(final JTableHeader target, final Object selectedColumn, final Object direction) {
92 final TableColumn tableColumn = getTableColumn(target, selectedColumn);
93 if (tableColumn == null) return;
94
95 int sortDirection = 0;
96 if ("ascending".equalsIgnoreCase(direction+"")) {
97 sortDirection = 1;
98 } else if ("descending".equalsIgnoreCase(direction+"")) {
99 sortDirection = -1;
100 } else if ("decending".equalsIgnoreCase(direction+"")) {
101 sortDirection = -1; // stupid misspelling that GM'ed in 10.5.0
102 }
103
104 final TableHeaderUI headerUI = target.getUI();
105 if (headerUI == null || !(headerUI instanceof AquaTableHeaderUI)) return;
106
107 final AquaTableHeaderUI aquaHeaderUI = (AquaTableHeaderUI)headerUI;
108 aquaHeaderUI.sortColumn = tableColumn.getModelIndex();
109 aquaHeaderUI.sortOrder = sortDirection;
110 final AquaTableCellRenderer renderer = aquaHeaderUI.new AquaTableCellRenderer();
111 tableColumn.setHeaderRenderer(renderer);
112 }
113
114 class AquaTableCellRenderer extends DefaultTableCellRenderer implements UIResource {
115 public Component getTableCellRendererComponent(final JTable localTable, final Object value, final boolean isSelected, final boolean hasFocus, final int row, final int column) {
116 if (localTable != null) {
117 if (header != null) {
118 setForeground(header.getForeground());
119 setBackground(header.getBackground());
120 setFont(UIManager.getFont("TableHeader.font"));
121 }
122 }
123
124 setText((value == null) ? "" : value.toString());
125
126 // Modify the table "border" to draw smaller, and with the titles in the right position
127 // and sort indicators, just like an NSSave/Open panel.
128 final AquaTableHeaderBorder cellBorder = AquaTableHeaderBorder.getListHeaderBorder();
129 final boolean thisColumnSelected = localTable.getColumnModel().getColumn(column).getModelIndex() == sortColumn;
130
131 cellBorder.setSelected(thisColumnSelected);
132 if (thisColumnSelected) {
133 cellBorder.setSortOrder(sortOrder);
134 } else {
135 cellBorder.setSortOrder(AquaTableHeaderBorder.SORT_NONE);
136 }
137 setBorder(cellBorder);
138 return this;
139 }
140 }
141
142 protected static TableColumn getTableColumn(final JTableHeader target, final Object value) {
143 if (value == null || !(value instanceof Integer)) return null;
144 final int columnIndex = ((Integer)value).intValue();
145
146 final TableColumnModel columnModel = target.getColumnModel();
147 if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) return null;
148
149 return columnModel.getColumn(columnIndex);
150 }
151
152 protected static AquaTableHeaderBorder getAquaBorderFrom(final JTableHeader header, final TableColumn column) {
153 final TableCellRenderer renderer = column.getHeaderRenderer();
154 if (renderer == null) return null;
155
156 final Component c = renderer.getTableCellRendererComponent(header.getTable(), column.getHeaderValue(), false, false, -1, column.getModelIndex());
157 if (!(c instanceof JComponent)) return null;
158
159 final Border border = ((JComponent)c).getBorder();
160 if (!(border instanceof AquaTableHeaderBorder)) return null;
161
162 return (AquaTableHeaderBorder)border;
163 }
164
165 protected void installListeners() {
166 super.installListeners();
167 getTableHeaderApplicators().attachAndApplyClientProperties(header);
168 }
169
170 protected void uninstallListeners() {
171 getTableHeaderApplicators().removeFrom(header);
172 super.uninstallListeners();
173 }
174
175 private int getHeaderHeightAqua() {
176 int height = 0;
177 boolean accomodatedDefault = false;
178
179 final TableColumnModel columnModel = header.getColumnModel();
180 for (int column = 0; column < columnModel.getColumnCount(); column++) {
181 final TableColumn aColumn = columnModel.getColumn(column);
182 // Configuring the header renderer to calculate its preferred size is expensive.
183 // Optimise this by assuming the default renderer always has the same height.
184 if (aColumn.getHeaderRenderer() != null || !accomodatedDefault) {
185 final Component comp = getHeaderRendererAqua(column);
186 final int rendererHeight = comp.getPreferredSize().height;
187 height = Math.max(height, rendererHeight);
188 // If the header value is empty (== "") in the
189 // first column (and this column is set up
190 // to use the default renderer) we will
191 // return zero from this routine and the header
192 // will disappear altogether. Avoiding the calculation
193 // of the preferred size is such a performance win for
194 // most applications that we will continue to
195 // use this cheaper calculation, handling these
196 // issues as `edge cases'.
197
198 // Mac OS X Change - since we have a border on our renderers
199 // it is possible the height of an empty header could be > 0,
200 // so we chose the relatively safe number of 4 to handle this case.
201 // Now if we get a size of 4 or less we assume it is empty and measure
202 // a different header.
203 if (rendererHeight > 4) {
204 accomodatedDefault = true;
205 }
206 }
207 }
208 return height;
209 }
210
211 private Component getHeaderRendererAqua(final int columnIndex) {
212 final TableColumn aColumn = header.getColumnModel().getColumn(columnIndex);
213 TableCellRenderer renderer = aColumn.getHeaderRenderer();
214 if (renderer == null) {
215 renderer = header.getDefaultRenderer();
216 }
217 return renderer.getTableCellRendererComponent(header.getTable(), aColumn.getHeaderValue(), false, false, -1, columnIndex);
218 }
219
220 private Dimension createHeaderSizeAqua(long width) {
221 // None of the callers include the intercell spacing, do it here.
222 if (width > Integer.MAX_VALUE) {
223 width = Integer.MAX_VALUE;
224 }
225 return new Dimension((int)width, getHeaderHeightAqua());
226 }
227
228 /**
229 * Return the minimum size of the header. The minimum width is the sum of the minimum widths of each column (plus
230 * inter-cell spacing).
231 */
232 public Dimension getMinimumSize(final JComponent c) {
233 long width = 0;
234 final Enumeration<TableColumn> enumeration = header.getColumnModel().getColumns();
235 while (enumeration.hasMoreElements()) {
236 final TableColumn aColumn = enumeration.nextElement();
237 width = width + aColumn.getMinWidth();
238 }
239 return createHeaderSizeAqua(width);
240 }
241
242 /**
243 * Return the preferred size of the header. The preferred height is the maximum of the preferred heights of all of
244 * the components provided by the header renderers. The preferred width is the sum of the preferred widths of each
245 * column (plus inter-cell spacing).
246 */
247 public Dimension getPreferredSize(final JComponent c) {
248 long width = 0;
249 final Enumeration<TableColumn> enumeration = header.getColumnModel().getColumns();
250 while (enumeration.hasMoreElements()) {
251 final TableColumn aColumn = enumeration.nextElement();
252 width = width + aColumn.getPreferredWidth();
253 }
254 return createHeaderSizeAqua(width);
255 }
256 }