old-autovect-branch/libjava/classpath/javax/swing/plaf/multi/MultiLookAndFeel.java

   1 /* MultiLookAndFeel.java --
   2    Copyright (C) 2005 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package javax.swing.plaf.multi;
  39
  40 import java.util.Vector;
  41
  42 import javax.swing.JComponent;
  43 import javax.swing.LookAndFeel;
  44 import javax.swing.UIDefaults;
  45 import javax.swing.UIManager;
  46 import javax.swing.plaf.ComponentUI;
  47
  48 /**
  49  * A look and feel that provides the ability to use auxiliary look and feels
  50  * in addition to the primary look and feel.
  51  */
  52 public class MultiLookAndFeel extends LookAndFeel {
  53
  54   /**
  55    * Creates a new instance of the look and feel.
  56    */
  57   public MultiLookAndFeel()
  58   {
  59     // Nothing to do here.
  60   }
  61
  62   /**
  63    * Returns the name for the look and feel.
  64    *
  65    * @return "Multiplexing Look and Feel".
  66    */
  67   public String getName()
  68   {
  69     return "Multiplexing Look and Feel";
  70   }
  71
  72   /**
  73    * Returns an identifier for the look and feel.
  74    *
  75    * @return "Multiplex".
  76    */
  77   public String getID()
  78   {
  79     return "Multiplex";
  80   }
  81
  82   /**
  83    * Returns a description of the look and feel.
  84    *
  85    * @return A description of the look and feel.
  86    */
  87   public String getDescription()
  88   {
  89     return "Allows multiple UI instances per component instance";
  90   }
  91
  92   /**
  93    * Returns <code>false</code> to indicate that this look and feel is not
  94    * native to any platform.
  95    *
  96    * @return <code>false</code>.
  97    */
  98   public boolean isNativeLookAndFeel()
  99   {
 100     return false;
 101   }
 102
 103   /**
 104    * Returns <code>true</code> always, since this look and feel is supported on
 105    * all platforms.
 106    *
 107    * @return <code>true</code>.
 108    */
 109   public boolean isSupportedLookAndFeel()
 110   {
 111     return true;
 112   }
 113
 114   /**
 115    * Creates and returns the UI defaults for this look and feel.
 116    *
 117    * @return The UI defaults.
 118    */
 119   public UIDefaults getDefaults()
 120   {
 121     UIDefaults defaults = new UIDefaults();
 122     defaults.put("ButtonUI", "javax.swing.plaf.multi.MultiButtonUI");
 123     defaults.put("CheckBoxUI", "javax.swing.plaf.multi.MultiButtonUI");
 124     defaults.put("CheckBoxMenuItemUI", "javax.swing.plaf.multi.MultiMenuItemUI");
 125     defaults.put("ColorChooserUI",
 126         "javax.swing.plaf.multi.MultiColorChooserUI");
 127     defaults.put("ComboBoxUI", "javax.swing.plaf.multi.MultiComboBoxUI");
 128     defaults.put("DesktopPaneUI", "javax.swing.plaf.multi.MultiDesktopPaneUI");
 129     defaults.put("DesktopIconUI", "javax.swing.plaf.multi.MultiDesktopIconUI");
 130     defaults.put("EditorPaneUI", "javax.swing.plaf.multi.MultiTextUI");
 131     defaults.put("FileChooserUI", "javax.swing.plaf.multi.MultiFileChooserUI");
 132     defaults.put("FormattedTextFieldUI", "javax.swing.plaf.multi.MultiTextUI");
 133     defaults.put("InternalFrameUI",
 134         "javax.swing.plaf.multi.MultiInternalFrameUI");
 135     defaults.put("LabelUI", "javax.swing.plaf.multi.MultiLabelUI");
 136     defaults.put("ListUI", "javax.swing.plaf.multi.MultiListUI");
 137     defaults.put("MenuItemUI", "javax.swing.plaf.multi.MultiMenuItemUI");
 138     defaults.put("MenuUI", "javax.swing.plaf.multi.MultiMenuItemUI");
 139     defaults.put("MenuBarUI", "javax.swing.plaf.multi.MultiMenuBarUI");
 140     defaults.put("OptionPaneUI", "javax.swing.plaf.multi.MultiOptionPaneUI");
 141     defaults.put("PanelUI", "javax.swing.plaf.multi.MultiPanelUI");
 142     defaults.put("PasswordFieldUI", "javax.swing.plaf.multi.MultiTextUI");
 143     defaults.put("PopupMenuUI", "javax.swing.plaf.multi.MultiPopupMenuUI");
 144     defaults.put("PopupMenuSeparatorUI",
 145         "javax.swing.plaf.multi.MultiSeparatorUI");
 146     defaults.put("ProgressBarUI", "javax.swing.plaf.multi.MultiProgressBarUI");
 147     defaults.put("RadioButtonUI", "javax.swing.plaf.multi.MultiButtonUI");
 148     defaults.put("RadioButtonMenuItemUI",
 149         "javax.swing.plaf.multi.MultiMenuItemUI");
 150     defaults.put("RootPaneUI", "javax.swing.plaf.multi.MultiRootPaneUI");
 151     defaults.put("ScrollBarUI", "javax.swing.plaf.multi.MultiScrollBarUI");
 152     defaults.put("ScrollPaneUI", "javax.swing.plaf.multi.MultiScrollPaneUI");
 153     defaults.put("SeparatorUI", "javax.swing.plaf.multi.MultiSeparatorUI");
 154     defaults.put("SliderUI", "javax.swing.plaf.multi.MultiSliderUI");
 155     defaults.put("SpinnerUI", "javax.swing.plaf.multi.MultiSpinnerUI");
 156     defaults.put("SplitPaneUI", "javax.swing.plaf.multi.MultiSplitPaneUI");
 157     defaults.put("TabbedPaneUI", "javax.swing.plaf.multi.MultiTabbedPaneUI");
 158     defaults.put("TableHeaderUI", "javax.swing.plaf.multi.MultiTableHeaderUI");
 159     defaults.put("TableUI", "javax.swing.plaf.multi.MultiTableUI");
 160     defaults.put("TextAreaUI", "javax.swing.plaf.multi.MultiTextUI");
 161     defaults.put("TextFieldUI", "javax.swing.plaf.multi.MultiTextUI");
 162     defaults.put("TextPaneUI", "javax.swing.plaf.multi.MultiTextUI");
 163     defaults.put("ToggleButtonUI", "javax.swing.plaf.multi.MultiButtonUI");
 164     defaults.put("ToolBarSeparatorUI",
 165         "javax.swing.plaf.multi.MultiSeparatorUI");
 166     defaults.put("ToolBarUI", "javax.swing.plaf.multi.MultiToolBarUI");
 167     defaults.put("ToolTipUI", "javax.swing.plaf.multi.MultiToolTipUI");
 168     defaults.put("ViewportUI", "javax.swing.plaf.multi.MultiViewportUI");
 169     return defaults;
 170   }
 171
 172   /**
 173    * Creates the UI delegates for the <code>target</code> component and
 174    * returns a multiplexing UI delegate (<code>mui</code>) if there are
 175    * multiple delegates.
 176    *
 177    * @param mui  a multiplexing UI delegate appropriate for the component.
 178    * @param uis  a vector into which the UI delegates will be added.
 179    * @param target  the target component.
 180    *
 181    * @return A UI delegate.
 182    */
 183   public static ComponentUI createUIs(ComponentUI mui, Vector uis,
 184                                       JComponent target)
 185   {
 186     // get primary UI delegate for 'target', and add it to uis
 187     ComponentUI ui = null;
 188     LookAndFeel primary = UIManager.getLookAndFeel();
 189     if (primary != null)
 190     {
 191       ui = UIManager.getUI(target);
 192       uis.add(ui);
 193     }
 194     // for any auxiliary look and feels in use, get the UI delegate and add
 195     // it to uis
 196     LookAndFeel[] auxlafs = UIManager.getAuxiliaryLookAndFeels();
 197     for (int i = 0; i < auxlafs.length; i++)
 198     {
 199       LookAndFeel auxlaf = auxlafs[i];
 200       // FIXME: here I call getDefaults() to get the UI delegate from the
 201       // auxiliary look and feel.  But getDefaults() creates a new set of
 202       // defaults every time it is called, which is wasteful.  Unfortunately
 203       // I cannot find another way to get the UI delegate, so I'm doing it
 204       // anyway...
 205       UIDefaults defaults = auxlaf.getDefaults();
 206       ui = defaults.getUI(target);
 207       if (ui != null)
 208         uis.add(ui);
 209     }
 210     // if uis contains more than 1 delegate, return mui, otherwise return
 211     // the primary delegate
 212     if (uis.size() > 1)
 213       return mui;
 214     else
 215       return ui;
 216   }
 217
 218   /**
 219    * Returns an array containing the same {@link ComponentUI} instances as
 220    * <code>uis</code>.  If <code>uis</code> is <code>null</code>, a zero-length
 221    * array is returned.
 222    *
 223    * @param uis  a list of {@link ComponentUI} references (<code>null</code>
 224    *             permitted).
 225    *
 226    * @return An array containing the same {@link ComponentUI} instances as
 227    *         <code>uis</code>, or <code>null</code> if <code>uis</code> is
 228    *         empty.
 229    */
 230   protected static ComponentUI[] uisToArray(Vector uis)
 231   {
 232     if (uis == null)
 233       return new ComponentUI[0];
 234     int size = uis.size();
 235     if (size == 0)
 236       return null;
 237     ComponentUI[] result = new ComponentUI[size];
 238     uis.copyInto(result);
 239     return result;
 240   }
 241
 242 }