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Diffstat (limited to 'libjava/javax/swing/UIDefaults.java')
| -rw-r--r-- | libjava/javax/swing/UIDefaults.java | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/libjava/javax/swing/UIDefaults.java b/libjava/javax/swing/UIDefaults.java deleted file mode 100644 index 641d848..0000000 --- a/libjava/javax/swing/UIDefaults.java +++ /dev/null @@ -1,828 +0,0 @@ -/* UIDefaults.java -- database for all settings and interface bindings. - Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.swing; - -import java.awt.Color; -import java.awt.Dimension; -import java.awt.Font; -import java.awt.Insets; -import java.beans.PropertyChangeListener; -import java.beans.PropertyChangeSupport; -import java.lang.reflect.Method; -import java.util.Hashtable; -import java.util.LinkedList; -import java.util.ListIterator; -import java.util.Locale; -import java.util.MissingResourceException; -import java.util.ResourceBundle; - -import javax.swing.border.Border; -import javax.swing.plaf.ComponentUI; - -/** - * UIDefaults is a database where all settings and interface bindings are - * stored into. A PLAF implementation fills one of these (see for example - * plaf/basic/BasicLookAndFeel.java) with "ButtonUI" -> new BasicButtonUI(). - * - * @author Ronald Veldema (rveldema@cs.vu.nl) - */ -public class UIDefaults extends Hashtable -{ - - /** Our ResourceBundles. */ - private LinkedList bundles; - - /** The default locale. */ - private Locale defaultLocale; - - /** We use this for firing PropertyChangeEvents. */ - private PropertyChangeSupport propertyChangeSupport; - - public static interface ActiveValue - { - Object createValue(UIDefaults table); - } - - public static class LazyInputMap implements LazyValue - { - Object[] bind; - public LazyInputMap(Object[] bindings) - { - bind = bindings; - } - public Object createValue(UIDefaults table) - { - InputMap im = new InputMap (); - for (int i = 0; 2*i+1 < bind.length; ++i) - { - im.put (KeyStroke.getKeyStroke ((String) bind[2*i]), - bind[2*i+1]); - } - return im; - } - } - - public static interface LazyValue - { - Object createValue(UIDefaults table); - } - - public static class ProxyLazyValue implements LazyValue - { - LazyValue inner; - public ProxyLazyValue(String s) - { - final String className = s; - inner = new LazyValue () - { - public Object createValue (UIDefaults table) - { - try - { - return Class - .forName(className) - .getConstructor(new Class[] {}) - .newInstance(new Object[] {}); - } - catch (Exception e) - { - return null; - } - } - }; - } - - public ProxyLazyValue(String c, String m) - { - final String className = c; - final String methodName = m; - inner = new LazyValue () - { - public Object createValue (UIDefaults table) - { - try - { - return Class - .forName (className) - .getMethod (methodName, new Class[] {}) - .invoke (null, new Object[] {}); - } - catch (Exception e) - { - return null; - } - } - }; - } - - public ProxyLazyValue(String c, Object[] os) - { - final String className = c; - final Object[] objs = os; - final Class[] clss = new Class[objs.length]; - for (int i = 0; i < objs.length; ++i) - { - clss[i] = objs[i].getClass(); - } - inner = new LazyValue() - { - public Object createValue(UIDefaults table) - { - try - { - return Class - .forName(className) - .getConstructor(clss) - .newInstance(objs); - } - catch (Exception e) - { - return null; - } - } - }; - } - - public ProxyLazyValue(String c, String m, Object[] os) - { - final String className = c; - final String methodName = m; - final Object[] objs = os; - final Class[] clss = new Class[objs.length]; - for (int i = 0; i < objs.length; ++i) - { - clss[i] = objs[i].getClass(); - } - inner = new LazyValue() - { - public Object createValue(UIDefaults table) - { - try - { - return Class - .forName(className) - .getMethod(methodName, clss) - .invoke(null, objs); - } - catch (Exception e) - { - return null; - } - } - }; - } - - public Object createValue(UIDefaults table) - { - return inner.createValue(table); - } - } - - /** Our serialVersionUID for serialization. */ - private static final long serialVersionUID = 7341222528856548117L; - - /** - * Constructs a new empty UIDefaults instance. - */ - public UIDefaults() - { - bundles = new LinkedList(); - defaultLocale = Locale.getDefault(); - propertyChangeSupport = new PropertyChangeSupport(this); - } - - /** - * Constructs a new UIDefaults instance and loads the specified entries. - * The entries are expected to come in pairs, that means - * <code>entries[0]</code> is a key, <code>entries[1]</code> is a value, - * <code>entries[2]</code> a key and so forth. - * - * @param entries the entries to initialize the UIDefaults instance with - */ - public UIDefaults(Object[] entries) - { - this(); - - for (int i = 0; (2 * i + 1) < entries.length; ++i) - put(entries[2 * i], entries[2 * i + 1]); - } - - /** - * Returns the entry for the specified <code>key</code> in the default - * locale. - * - * @return the entry for the specified <code>key</code> - */ - public Object get(Object key) - { - return this.get(key, getDefaultLocale()); - } - - /** - * Returns the entry for the specified <code>key</code> in the Locale - * <code>loc</code>. - * - * @param key the key for which we return the value - * @param loc the locale - */ - public Object get(Object key, Locale loc) - { - Object obj = null; - - if (super.containsKey(key)) - { - obj = super.get(key); - } - else if (key instanceof String) - { - String keyString = (String) key; - ListIterator i = bundles.listIterator(0); - while (i.hasNext()) - { - String bundle_name = (String) i.next(); - ResourceBundle res = - ResourceBundle.getBundle(bundle_name, loc); - if (res != null) - { - try - { - obj = res.getObject(keyString); - break; - } - catch (MissingResourceException me) - { - // continue, this bundle has no such key - } - } - } - } - - // now we've found the object, resolve it. - // nb: LazyValues aren't supported in resource bundles, so it's correct - // to insert their results in the locale-less hashtable. - - if (obj == null) - return null; - - if (obj instanceof LazyValue) - { - Object resolved = ((LazyValue) obj).createValue(this); - super.remove(key); - super.put(key, resolved); - return resolved; - } - else if (obj instanceof ActiveValue) - { - return ((ActiveValue) obj).createValue(this); - } - - return obj; - } - - /** - * Puts a key and value into this UIDefaults object.<br> - * In contrast to - * {@link java.util.Hashtable}s <code>null</code>-values are accepted - * here and treated like #remove(key). - * <br> - * This fires a PropertyChangeEvent with key as name and the old and new - * values. - * - * @param key the key to put into the map - * @param value the value to put into the map - * - * @return the old value for key or <code>null</code> if <code>key</code> - * had no value assigned - */ - public Object put(Object key, Object value) - { - Object old = checkAndPut(key, value); - - if (key instanceof String && old != value) - firePropertyChange((String) key, old, value); - return old; - } - - /** - * Puts a set of key-value pairs into the map. - * The entries are expected to come in pairs, that means - * <code>entries[0]</code> is a key, <code>entries[1]</code> is a value, - * <code>entries[2]</code> a key and so forth. - * <br> - * If a value is <code>null</code> it is treated like #remove(key). - * <br> - * This unconditionally fires a PropertyChangeEvent with - * <code>'UIDefaults'</code> as name and <code>null</code> for - * old and new value. - * - * @param entries the entries to be put into the map - */ - public void putDefaults(Object[] entries) - { - for (int i = 0; (2 * i + 1) < entries.length; ++i) - { - checkAndPut(entries[2 * i], entries[2 * i + 1]); - } - firePropertyChange("UIDefaults", null, null); - } - - /** - * Checks the value for <code>null</code> and put it into the Hashtable, if - * it is not <code>null</code>. If the value is <code>null</code> then - * remove the corresponding key. - * - * @param key the key to put into this UIDefauls table - * @param value the value to put into this UIDefaults table - * - * @return the old value for <code>key</code> - */ - private Object checkAndPut(Object key, Object value) - { - Object old; - - if (value != null) - old = super.put(key, value); - else - old = super.remove(key); - - return old; - } - - /** - * Returns a font entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the font entry for <code>key</code> or null if no such entry - * exists - */ - public Font getFont(Object key) - { - Object o = get(key); - return o instanceof Font ? (Font) o : null; - } - - /** - * Returns a font entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the font entry for <code>key</code> or null if no such entry - * exists - */ - public Font getFont(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Font ? (Font) o : null; - } - - /** - * Returns a color entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the color entry for <code>key</code> or null if no such entry - * exists - */ - public Color getColor(Object key) - { - Object o = get(key); - return o instanceof Color ? (Color) o : null; - } - - /** - * Returns a color entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the color entry for <code>key</code> or null if no such entry - * exists - */ - public Color getColor(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Color ? (Color) o : null; - } - - /** - * Returns an icon entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the icon entry for <code>key</code> or null if no such entry - * exists - */ - public Icon getIcon(Object key) - { - Object o = get(key); - return o instanceof Icon ? (Icon) o : null; - } - - /** - * Returns an icon entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the icon entry for <code>key</code> or null if no such entry - * exists - */ - public Icon getIcon(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Icon ? (Icon) o : null; - } - - /** - * Returns a border entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the border entry for <code>key</code> or null if no such entry - * exists - */ - public Border getBorder(Object key) - { - Object o = get(key); - return o instanceof Border ? (Border) o : null; - } - - /** - * Returns a border entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the border entry for <code>key</code> or null if no such entry - * exists - */ - public Border getBorder(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Border ? (Border) o : null; - } - - /** - * Returns a string entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the string entry for <code>key</code> or null if no such entry - * exists - */ - public String getString(Object key) - { - Object o = get(key); - return o instanceof String ? (String) o : null; - } - - /** - * Returns a string entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the string entry for <code>key</code> or null if no such entry - * exists - */ - public String getString(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof String ? (String) o : null; - } - - /** - * Returns an integer entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the integer entry for <code>key</code> or null if no such entry - * exists - */ - public int getInt(Object key) - { - Object o = get(key); - return o instanceof Integer ? ((Integer) o).intValue() : 0; - } - - /** - * Returns an integer entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the integer entry for <code>key</code> or null if no such entry - * exists - */ - public int getInt(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Integer ? ((Integer) o).intValue() : 0; - } - - /** - * Returns a boolean entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the boolean entry for <code>key</code> or null if no such entry - * exists - */ - public boolean getBoolean(Object key) - { - return Boolean.TRUE.equals(get(key)); - } - - /** - * Returns a boolean entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the boolean entry for <code>key</code> or null if no such entry - * exists - */ - public boolean getBoolean(Object key, Locale l) - { - return Boolean.TRUE.equals(get(key, l)); - } - - /** - * Returns an insets entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the insets entry for <code>key</code> or null if no such entry - * exists - */ - public Insets getInsets(Object key) - { - Object o = get(key); - return o instanceof Insets ? (Insets) o : null; - } - - /** - * Returns an insets entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the boolean entry for <code>key</code> or null if no such entry - * exists - */ - public Insets getInsets(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Insets ? (Insets) o : null; - } - - /** - * Returns a dimension entry for the default locale. - * - * @param key the key to the requested entry - * - * @return the dimension entry for <code>key</code> or null if no such entry - * exists - */ - public Dimension getDimension(Object key) - { - Object o = get(key); - return o instanceof Dimension ? (Dimension) o : null; - } - - /** - * Returns a dimension entry for a specic locale. - * - * @param key the key to the requested entry - * @param locale the locale to the requested entry - * - * @return the boolean entry for <code>key</code> or null if no such entry - * exists - */ - public Dimension getDimension(Object key, Locale l) - { - Object o = get(key, l); - return o instanceof Dimension ? (Dimension) o : null; - } - - /** - * Returns the ComponentUI class that renders a component. <code>id</code> - * is the ID for which the String value of the classname is stored in - * this UIDefaults map. - * - * @param id the ID of the UI class - * @param loader the ClassLoader to use - * - * @return the UI class for <code>id</code> - */ - public Class getUIClass(String id, ClassLoader loader) - { - String className = (String) get (id); - if (className == null) - return null; - try - { - if (loader != null) - return loader.loadClass (className); - return Class.forName (className); - } - catch (Exception e) - { - return null; - } - } - - /** - * Returns the ComponentUI class that renders a component. <code>id</code> - * is the ID for which the String value of the classname is stored in - * this UIDefaults map. - * - * @param id the ID of the UI class - * - * @return the UI class for <code>id</code> - */ - public Class getUIClass(String id) - { - return getUIClass (id, null); - } - - /** - * If a key is requested in #get(key) that has no value, this method - * is called before returning <code>null</code>. - * - * @param msg the error message - */ - protected void getUIError(String msg) - { - System.err.println ("UIDefaults.getUIError: " + msg); - } - - /** - * Returns the {@link ComponentUI} for the specified {@link JComponent}. - * - * @param target the component for which the ComponentUI is requested - * - * @return the {@link ComponentUI} for the specified {@link JComponent} - */ - public ComponentUI getUI(JComponent target) - { - String classId = target.getUIClassID (); - Class cls = getUIClass (classId); - if (cls == null) - { - getUIError ("failed to locate UI class:" + classId); - return null; - } - - Method factory; - - try - { - factory = cls.getMethod ("createUI", new Class[] { JComponent.class } ); - } - catch (NoSuchMethodException nme) - { - getUIError ("failed to locate createUI method on " + cls.toString ()); - return null; - } - - try - { - return (ComponentUI) factory.invoke (null, new Object[] { target }); - } - catch (java.lang.reflect.InvocationTargetException ite) - { - getUIError ("InvocationTargetException ("+ ite.getTargetException() - +") calling createUI(...) on " + cls.toString ()); - return null; - } - catch (Exception e) - { - getUIError ("exception calling createUI(...) on " + cls.toString ()); - return null; - } - } - - /** - * Adds a {@link PropertyChangeListener} to this UIDefaults map. - * Registered PropertyChangeListener are notified when values - * are beeing put into this UIDefaults map. - * - * @param listener the PropertyChangeListener to add - */ - public void addPropertyChangeListener(PropertyChangeListener listener) - { - propertyChangeSupport.addPropertyChangeListener(listener); - } - - /** - * Removes a PropertyChangeListener from this UIDefaults map. - * - * @param listener the PropertyChangeListener to remove - */ - public void removePropertyChangeListener(PropertyChangeListener listener) - { - propertyChangeSupport.removePropertyChangeListener(listener); - } - - /** - * Returns an array of all registered PropertyChangeListeners. - * - * @return all registered PropertyChangeListeners - */ - public PropertyChangeListener[] getPropertyChangeListeners() - { - return propertyChangeSupport.getPropertyChangeListeners(); - } - - /** - * Fires a PropertyChangeEvent. - * - * @param property the property name - * @param oldValue the old value - * @param newValue the new value - */ - protected void firePropertyChange(String property, - Object oldValue, Object newValue) - { - propertyChangeSupport.firePropertyChange(property, oldValue, newValue); - } - - /** - * Adds a ResourceBundle for localized values. - * - * @param name the name of the ResourceBundle to add - */ - public void addResourceBundle(String name) - { - bundles.addFirst(name); - } - - /** - * Removes a ResourceBundle. - * - * @param name the name of the ResourceBundle to remove - */ - public void removeResourceBundle(String name) - { - bundles.remove(name); - } - - /** - * Sets the current locale to <code>loc</code>. - * - * @param loc the Locale to be set - */ - public void setDefaultLocale(Locale loc) - { - defaultLocale = loc; - } - - /** - * Returns the current default locale. - * - * @return the current default locale - */ - public Locale getDefaultLocale() - { - return defaultLocale; - } -} |