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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 | +} | |