| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hiveboard.util; |
| 16 | |
| 17 | import java.awt.Component; |
| 18 | import java.awt.Dimension; |
| 19 | import java.awt.EventQueue; |
| 20 | import java.awt.Font; |
| 21 | import java.awt.event.ActionEvent; |
| 22 | import java.awt.event.ActionListener; |
| 23 | |
| 24 | import javax.swing.Box; |
| 25 | import javax.swing.BoxLayout; |
| 26 | import javax.swing.JComboBox; |
| 27 | import javax.swing.JComponent; |
| 28 | import javax.swing.JList; |
| 29 | import javax.swing.JSpinner; |
| 30 | import javax.swing.JToggleButton; |
| 31 | import javax.swing.SpinnerNumberModel; |
| 32 | import javax.swing.event.ChangeEvent; |
| 33 | import javax.swing.event.ChangeListener; |
| 34 | |
| 35 | import org.jdesktop.layout.Baseline; |
| 36 | import org.jvnet.substance.SubstanceDefaultListCellRenderer; |
| 37 | |
| 38 | import net.sourceforge.hivegui.component.FontComboFactory; |
| 39 | |
| 40 | //CSOFF: ClassDataAbstractionCouplingCheck |
| 41 | public class FontChooserHelper |
| 42 | { |
| 43 | static final private String NAME = "font-chooser"; |
| 44 | |
| 45 | public FontChooserHelper() |
| 46 | { |
| 47 | this(NAME); |
| 48 | } |
| 49 | |
| 50 | public FontChooserHelper(String name) |
| 51 | { |
| 52 | // Initialize generic listener for almost all widgets |
| 53 | ActionListener listener = new ActionListener() |
| 54 | { |
| 55 | public void actionPerformed(ActionEvent e) |
| 56 | { |
| 57 | // Workaround for substance issue #283: |
| 58 | // EDT rule: one should not change a component property from |
| 59 | // one of this component's listeners. |
| 60 | updateFontDeferred(); |
| 61 | } |
| 62 | }; |
| 63 | |
| 64 | // Create widgets |
| 65 | _fontName = FontComboFactory.getFontCombo(); |
| 66 | _fontName.setName(name + "-face"); |
| 67 | _fontSize = new JSpinner( |
| 68 | new SpinnerNumberModel(DEFAULT_FONT_SIZE, 1, MAX_FONT_SIZE, 1)); |
| 69 | _fontSize.setName(name + "-size"); |
| 70 | initButton(_boldFont, listener); |
| 71 | _boldFont.setName(name + "-bold"); |
| 72 | initButton(_italicFont, listener); |
| 73 | _italicFont.setName(name + "-italic"); |
| 74 | initButton(_underlineFont, listener); |
| 75 | _underlineFont.setName(name + "-underline"); |
| 76 | // Note: the following instruction must not be moved before (it depends |
| 77 | // on all widgets being already instantiated) |
| 78 | _fontName.setRenderer(new SubstanceDefaultListCellRenderer() |
| 79 | { |
| 80 | @Override public Component getListCellRendererComponent( |
| 81 | JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) |
| 82 | { |
| 83 | super.getListCellRendererComponent( |
| 84 | list, value, index, isSelected, cellHasFocus); |
| 85 | Font font = FontChooserHelper.this.getFont( |
| 86 | (String) value, COMBO_FONT_DISPLAY_SIZE); |
| 87 | setFont(font); |
| 88 | return this; |
| 89 | } |
| 90 | }); |
| 91 | |
| 92 | // Compute the ideal size to use for the combo box, based on the |
| 93 | // length of the font name (not based on actual width of every single |
| 94 | // font face). That calculation is suboptimal in precision but is |
| 95 | // performant and easy to understand. |
| 96 | // However, we take some safety by multiplying the resulting width |
| 97 | // by a 1.5 factor. |
| 98 | int numFonts = _fontName.getModel().getSize(); |
| 99 | String longestFont = ""; |
| 100 | for (int i = 0; i < numFonts; i++) |
| 101 | { |
| 102 | String font = (String) _fontName.getModel().getElementAt(i); |
| 103 | if (font.length() > longestFont.length()) |
| 104 | { |
| 105 | longestFont = font; |
| 106 | } |
| 107 | } |
| 108 | _fontName.setPrototypeDisplayValue(longestFont); |
| 109 | |
| 110 | // Setup widgets sizes |
| 111 | Dimension size = new Dimension(_fontSize.getPreferredSize()); |
| 112 | size.width = (int) (_fontName.getPreferredSize().width * FONT_WIDTH_MULTIPLIER); |
| 113 | _fontName.setMinimumSize(size); |
| 114 | _fontName.setPreferredSize(size); |
| 115 | _fontName.setMaximumSize(size); |
| 116 | size = new Dimension(_fontSize.getPreferredSize()); |
| 117 | size.width = FONTSIZE_FIELD_WIDTH; |
| 118 | _fontSize.setMaximumSize(size); |
| 119 | |
| 120 | // Setup additional listeners |
| 121 | _fontName.addActionListener(listener); |
| 122 | _fontSize.addChangeListener(new ChangeListener() |
| 123 | { |
| 124 | public void stateChanged(ChangeEvent e) |
| 125 | { |
| 126 | // Workaround for substance issue #283: |
| 127 | // EDT rule: one should not change a component property from |
| 128 | // one of this component's listeners. |
| 129 | updateFontDeferred(); |
| 130 | } |
| 131 | }); |
| 132 | } |
| 133 | |
| 134 | static private void initButton(JToggleButton button, ActionListener listener) |
| 135 | { |
| 136 | button.addActionListener(listener); |
| 137 | button.setBorderPainted(true); |
| 138 | button.setRolloverEnabled(true); |
| 139 | } |
| 140 | |
| 141 | public JComponent getChooserPane() |
| 142 | { |
| 143 | if (_pane == null) |
| 144 | { |
| 145 | _pane = new FontBox(); |
| 146 | } |
| 147 | return _pane; |
| 148 | } |
| 149 | |
| 150 | public class FontBox extends JComponent |
| 151 | { |
| 152 | public FontBox() |
| 153 | { |
| 154 | setLayout(new BoxLayout(this, BoxLayout.X_AXIS)); |
| 155 | add(_fontName); |
| 156 | add(Box.createHorizontalStrut(COMPONENTS_GAP)); |
| 157 | add(_fontSize); |
| 158 | add(Box.createHorizontalStrut(COMPONENTS_GAP)); |
| 159 | add(_boldFont); |
| 160 | add(_italicFont); |
| 161 | //TODO add(_underlineFont); |
| 162 | } |
| 163 | |
| 164 | public int getBaseline(int width, int height) |
| 165 | { |
| 166 | return Baseline.getBaseline(_fontSize) + _fontSize.getY(); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | public JComponent[] getComponents() |
| 171 | { |
| 172 | return new JComponent[] { _fontName, |
| 173 | (JComponent) Box.createHorizontalStrut(COMPONENTS_GAP), |
| 174 | _fontSize, |
| 175 | (JComponent) Box.createHorizontalStrut(COMPONENTS_GAP), |
| 176 | _boldFont, |
| 177 | _italicFont}; |
| 178 | //TODO _underlineFont}; |
| 179 | } |
| 180 | |
| 181 | // To be overridden if necessary |
| 182 | protected void updateFont(Font font) |
| 183 | { |
| 184 | } |
| 185 | |
| 186 | public Font getFont() |
| 187 | { |
| 188 | if (_font == null) |
| 189 | { |
| 190 | updateFont(); |
| 191 | } |
| 192 | return _font; |
| 193 | } |
| 194 | |
| 195 | public void setFont(Font font) |
| 196 | { |
| 197 | _font = font; |
| 198 | _fontName.setSelectedItem(font.getFamily()); |
| 199 | _fontSize.setValue(font.getSize()); |
| 200 | _boldFont.setSelected((font.getStyle() & Font.BOLD) != 0); |
| 201 | _italicFont.setSelected((font.getStyle() & Font.ITALIC) != 0); |
| 202 | //TODO _underlineFont.setSelected(); |
| 203 | } |
| 204 | |
| 205 | protected void updateFont() |
| 206 | { |
| 207 | _fontName.setFont( |
| 208 | getFont((String) _fontName.getSelectedItem(), COMBO_FONT_DISPLAY_SIZE)); |
| 209 | _font = getFont((String) _fontName.getSelectedItem(), (Integer) _fontSize.getValue()); |
| 210 | updateFont(_font); |
| 211 | } |
| 212 | |
| 213 | protected void updateFontDeferred() |
| 214 | { |
| 215 | EventQueue.invokeLater(new Runnable() |
| 216 | { |
| 217 | public void run() |
| 218 | { |
| 219 | updateFont(); |
| 220 | } |
| 221 | }); |
| 222 | } |
| 223 | |
| 224 | protected Font getFont(String face, int size) |
| 225 | { |
| 226 | int style = Font.PLAIN; |
| 227 | if (_boldFont.isSelected()) |
| 228 | { |
| 229 | style |= Font.BOLD; |
| 230 | } |
| 231 | if (_italicFont.isSelected()) |
| 232 | { |
| 233 | style |= Font.ITALIC; |
| 234 | } |
| 235 | //TODO if (_underlineFont.isSelected()) |
| 236 | // style |= Font.UNDERLINE; |
| 237 | Font font = new Font(face, style, size); |
| 238 | return font; |
| 239 | } |
| 240 | |
| 241 | static final private int DEFAULT_FONT_SIZE = 12; |
| 242 | static final private int COMBO_FONT_DISPLAY_SIZE = 14; |
| 243 | static final private int MAX_FONT_SIZE = 100; |
| 244 | static final private int FONTSIZE_FIELD_WIDTH = 50; |
| 245 | static final private int COMPONENTS_GAP = 3; |
| 246 | static final private double FONT_WIDTH_MULTIPLIER = 1.5; |
| 247 | |
| 248 | private final JComboBox _fontName; |
| 249 | private final JSpinner _fontSize; |
| 250 | private final JToggleButton _boldFont = new JToggleButton(); |
| 251 | private final JToggleButton _italicFont = new JToggleButton(); |
| 252 | private final JToggleButton _underlineFont = new JToggleButton(); |
| 253 | private JComponent _pane = null; |
| 254 | private Font _font = null; |
| 255 | } |
| 256 | //CSON: ClassDataAbstractionCouplingCheck |