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| 1 | /* | ||
| 2 | * Copyright (c) 2002, 2010, 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 javax.swing.plaf.synth; | ||
| 27 | |||
| 28 | import java.awt.*; | ||
| 29 | import java.beans.*; | ||
| 30 | import javax.swing.*; | ||
| 31 | import javax.swing.border.*; | ||
| 32 | import javax.swing.plaf.*; | ||
| 33 | import javax.swing.plaf.basic.*; | ||
| 34 | import javax.swing.table.*; | ||
| 35 | import sun.swing.table.*; | ||
| 36 | |||
| 37 | /** | ||
| 38 | * Provides the Synth L&F UI delegate for | ||
| 39 | * {@link javax.swing.table.JTableHeader}. | ||
| 40 | * | ||
| 41 | * @author Alan Chung | ||
| 42 | * @author Philip Milne | ||
| 43 | * @since 1.7 | ||
| 44 | */ | ||
| 45 | public class SynthTableHeaderUI extends BasicTableHeaderUI | ||
| 46 | implements PropertyChangeListener, SynthUI { | ||
| 47 | |||
| 48 | // | ||
| 49 | // Instance Variables | ||
| 50 | // | ||
| 51 | |||
| 52 | private TableCellRenderer prevRenderer = null; | ||
| 53 | |||
| 54 | private SynthStyle style; | ||
| 55 | |||
| 56 | /** | ||
| 57 | * Creates a new UI object for the given component. | ||
| 58 | * | ||
| 59 | * @param h component to create UI object for | ||
| 60 | * @return the UI object | ||
| 61 | */ | ||
| 62 | public static ComponentUI createUI(JComponent h) { | ||
| 63 | return new SynthTableHeaderUI(); | ||
| 64 | } | ||
| 65 | |||
| 66 | /** | ||
| 67 | * @inheritDoc | ||
| 68 | */ | ||
| 69 | @Override | ||
| 70 | protected void installDefaults() { | ||
| 71 | prevRenderer = header.getDefaultRenderer(); | ||
| 72 | if (prevRenderer instanceof UIResource) { | ||
| 73 | header.setDefaultRenderer(new HeaderRenderer()); | ||
| 74 | } | ||
| 75 | updateStyle(header); | ||
| 76 | } | ||
| 77 | |||
| 78 | private void updateStyle(JTableHeader c) { | ||
| 79 | SynthContext context = getContext(c, ENABLED); | ||
| 80 | SynthStyle oldStyle = style; | ||
| 81 | style = SynthLookAndFeel.updateStyle(context, this); | ||
| 82 | if (style != oldStyle) { | ||
| 83 | if (oldStyle != null) { | ||
| 84 | uninstallKeyboardActions(); | ||
| 85 | installKeyboardActions(); | ||
| 86 | } | ||
| 87 | } | ||
| 88 | context.dispose(); | ||
| 89 | } | ||
| 90 | |||
| 91 | /** | ||
| 92 | * @inheritDoc | ||
| 93 | */ | ||
| 94 | @Override | ||
| 95 | protected void installListeners() { | ||
| 96 | super.installListeners(); | ||
| 97 | header.addPropertyChangeListener(this); | ||
| 98 | } | ||
| 99 | |||
| 100 | /** | ||
| 101 | * @inheritDoc | ||
| 102 | */ | ||
| 103 | @Override | ||
| 104 | protected void uninstallDefaults() { | ||
| 105 | if (header.getDefaultRenderer() instanceof HeaderRenderer) { | ||
| 106 | header.setDefaultRenderer(prevRenderer); | ||
| 107 | } | ||
| 108 | |||
| 109 | SynthContext context = getContext(header, ENABLED); | ||
| 110 | |||
| 111 | style.uninstallDefaults(context); | ||
| 112 | context.dispose(); | ||
| 113 | style = null; | ||
| 114 | } | ||
| 115 | |||
| 116 | /** | ||
| 117 | * @inheritDoc | ||
| 118 | */ | ||
| 119 | @Override | ||
| 120 | protected void uninstallListeners() { | ||
| 121 | header.removePropertyChangeListener(this); | ||
| 122 | super.uninstallListeners(); | ||
| 123 | } | ||
| 124 | |||
| 125 | /** | ||
| 126 | * Notifies this UI delegate to repaint the specified component. | ||
| 127 | * This method paints the component background, then calls | ||
| 128 | * the {@link #paint(SynthContext,Graphics)} method. | ||
| 129 | * | ||
| 130 | * <p>In general, this method does not need to be overridden by subclasses. | ||
| 131 | * All Look and Feel rendering code should reside in the {@code paint} method. | ||
| 132 | * | ||
| 133 | * @param g the {@code Graphics} object used for painting | ||
| 134 | * @param c the component being painted | ||
| 135 | * @see #paint(SynthContext,Graphics) | ||
| 136 | */ | ||
| 137 | @Override | ||
| 138 | public void update(Graphics g, JComponent c) { | ||
| 139 | SynthContext context = getContext(c); | ||
| 140 | |||
| 141 | SynthLookAndFeel.update(context, g); | ||
| 142 | context.getPainter().paintTableHeaderBackground(context, | ||
| 143 | g, 0, 0, c.getWidth(), c.getHeight()); | ||
| 144 | paint(context, g); | ||
| 145 | context.dispose(); | ||
| 146 | } | ||
| 147 | |||
| 148 | /** | ||
| 149 | * Paints the specified component according to the Look and Feel. | ||
| 150 | * <p>This method is not used by Synth Look and Feel. | ||
| 151 | * Painting is handled by the {@link #paint(SynthContext,Graphics)} method. | ||
| 152 | * | ||
| 153 | * @param g the {@code Graphics} object used for painting | ||
| 154 | * @param c the component being painted | ||
| 155 | * @see #paint(SynthContext,Graphics) | ||
| 156 | */ | ||
| 157 | @Override | ||
| 158 | public void paint(Graphics g, JComponent c) { | ||
| 159 | SynthContext context = getContext(c); | ||
| 160 | |||
| 161 | paint(context, g); | ||
| 162 | context.dispose(); | ||
| 163 | } | ||
| 164 | |||
| 165 | /** | ||
| 166 | * Paints the specified component. | ||
| 167 | * | ||
| 168 | * @param context context for the component being painted | ||
| 169 | * @param g the {@code Graphics} object used for painting | ||
| 170 | * @see #update(Graphics,JComponent) | ||
| 171 | */ | ||
| 172 | protected void paint(SynthContext context, Graphics g) { | ||
| 173 | super.paint(g, context.getComponent()); | ||
| 174 | } | ||
| 175 | |||
| 176 | /** | ||
| 177 | * @inheritDoc | ||
| 178 | */ | ||
| 179 | @Override | ||
| 180 | public void paintBorder(SynthContext context, Graphics g, int x, | ||
| 181 | int y, int w, int h) { | ||
| 182 | context.getPainter().paintTableHeaderBorder(context, g, x, y, w, h); | ||
| 183 | } | ||
| 184 | // | ||
| 185 | // SynthUI | ||
| 186 | // | ||
| 187 | /** | ||
| 188 | * @inheritDoc | ||
| 189 | */ | ||
| 190 | @Override | ||
| 191 | public SynthContext getContext(JComponent c) { | ||
| 192 | return getContext(c, SynthLookAndFeel.getComponentState(c)); | ||
| 193 | } | ||
| 194 | |||
| 195 | private SynthContext getContext(JComponent c, int state) { | ||
| 196 | return SynthContext.getContext(SynthContext.class, c, | ||
| 197 | SynthLookAndFeel.getRegion(c), style, state); | ||
| 198 | } | ||
| 199 | |||
| 200 | /** | ||
| 201 | * @inheritDoc | ||
| 202 | */ | ||
| 203 | @Override | ||
| 204 | protected void rolloverColumnUpdated(int oldColumn, int newColumn) { | ||
| 205 | header.repaint(header.getHeaderRect(oldColumn)); | ||
| 206 | header.repaint(header.getHeaderRect(newColumn)); | ||
| 207 | } | ||
| 208 | |||
| 209 | /** | ||
| 210 | * @inheritDoc | ||
| 211 | */ | ||
| 212 | @Override | ||
| 213 | public void propertyChange(PropertyChangeEvent evt) { | ||
| 214 | if (SynthLookAndFeel.shouldUpdateStyle(evt)) { | ||
| 215 | updateStyle((JTableHeader)evt.getSource()); | ||
| 216 | } | ||
| 217 | } | ||
| 218 | |||
| 219 | private class HeaderRenderer extends DefaultTableCellHeaderRenderer { | ||
| 220 | HeaderRenderer() { | ||
| 221 | setHorizontalAlignment(JLabel.LEADING); | ||
| 222 | setName("TableHeader.renderer"); | ||
| 223 | } | ||
| 224 | |||
| 225 | @Override | ||
| 226 | public Component getTableCellRendererComponent(JTable table, Object value, | ||
| 227 | boolean isSelected, | ||
| 228 | boolean hasFocus, | ||
| 229 | int row, int column) { | ||
| 230 | |||
| 231 | boolean hasRollover = (column == getRolloverColumn()); | ||
| 232 | if (isSelected || hasRollover || hasFocus) { | ||
| 233 | SynthLookAndFeel.setSelectedUI((SynthLabelUI)SynthLookAndFeel. | ||
| 234 | getUIOfType(getUI(), SynthLabelUI.class), | ||
| 235 | isSelected, hasFocus, table.isEnabled(), | ||
| 236 | hasRollover); | ||
| 237 | } else { | ||
| 238 | SynthLookAndFeel.resetSelectedUI(); | ||
| 239 | } | ||
| 240 | |||
| 241 | //stuff a variable into the client property of this renderer indicating the sort order, | ||
| 242 | //so that different rendering can be done for the header based on sorted state. | ||
| 243 | RowSorter rs = table == null ? null : table.getRowSorter(); | ||
| 244 | java.util.List<? extends RowSorter.SortKey> sortKeys = rs == null ? null : rs.getSortKeys(); | ||
| 245 | if (sortKeys != null && sortKeys.size() > 0 && sortKeys.get(0).getColumn() == | ||
| 246 | table.convertColumnIndexToModel(column)) { | ||
| 247 | switch(sortKeys.get(0).getSortOrder()) { | ||
| 248 | case ASCENDING: | ||
| 249 | putClientProperty("Table.sortOrder", "ASCENDING"); | ||
| 250 | break; | ||
| 251 | case DESCENDING: | ||
| 252 | putClientProperty("Table.sortOrder", "DESCENDING"); | ||
| 253 | break; | ||
| 254 | case UNSORTED: | ||
| 255 | putClientProperty("Table.sortOrder", "UNSORTED"); | ||
| 256 | break; | ||
| 257 | default: | ||
| 258 | throw new AssertionError("Cannot happen"); | ||
| 259 | } | ||
| 260 | } else { | ||
| 261 | putClientProperty("Table.sortOrder", "UNSORTED"); | ||
| 262 | } | ||
| 263 | |||
| 264 | super.getTableCellRendererComponent(table, value, isSelected, | ||
| 265 | hasFocus, row, column); | ||
| 266 | |||
| 267 | return this; | ||
| 268 | } | ||
| 269 | |||
| 270 | @Override | ||
| 271 | public void setBorder(Border border) { | ||
| 272 | if (border instanceof SynthBorder) { | ||
| 273 | super.setBorder(border); | ||
| 274 | } | ||
| 275 | } | ||
| 276 | } | ||
| 277 | } | ||