[Japi-cvs] SF.net SVN: japi: [213] libs/swing-action/trunk/src/net/sf/japi/swing

[<chr...@us...>]

Revision: 213
          http://svn.sourceforge.net/japi/?rev=213&view=rev
Author:   christianhujer
Date:     2006-11-26 08:20:19 -0800 (Sun, 26 Nov 2006)

Log Message:
-----------
Made swing-action compilable (added missing IconManager class).

Modified Paths:
--------------
    libs/swing-action/trunk/src/net/sf/japi/swing/ActionFactory.java

Added Paths:
-----------
    libs/swing-action/trunk/src/net/sf/japi/swing/IconManager.java

Modified: libs/swing-action/trunk/src/net/sf/japi/swing/ActionFactory.java
===================================================================
--- libs/swing-action/trunk/src/net/sf/japi/swing/ActionFactory.java	2006-11-26 15:54:27 UTC (rev 212)
+++ libs/swing-action/trunk/src/net/sf/japi/swing/ActionFactory.java	2006-11-26 16:20:19 UTC (rev 213)
@@ -24,6 +24,7 @@
 import java.awt.event.ActionEvent;
 import java.lang.reflect.Field;
 import java.text.MessageFormat;
+import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -31,7 +32,6 @@
 import java.util.ResourceBundle;
 import static java.util.ResourceBundle.getBundle;
 import java.util.WeakHashMap;
-import java.util.ArrayList;
 import java.util.prefs.Preferences;
 import static java.util.prefs.Preferences.userNodeForPackage;
 import javax.swing.AbstractAction;
@@ -50,16 +50,16 @@
 import javax.swing.JMenuBar;
 import javax.swing.JMenuItem;
 import javax.swing.JOptionPane;
+import javax.swing.JPopupMenu;
 import javax.swing.JToolBar;
-import javax.swing.JPopupMenu;
 import static javax.swing.KeyStroke.getKeyStroke;
-import org.jetbrains.annotations.NonNls;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 import static net.sf.japi.swing.IconManager.getDefaultIconManager;
 import static net.sf.japi.swing.ReflectionAction.REFLECTION_MESSAGE_PROVIDER;
 import static net.sf.japi.swing.ReflectionAction.REFLECTION_TARGET;
 import static net.sf.japi.swing.ToggleAction.REFLECTION_PROPERTY_NAME;
+import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /** Class for creating and initializing {@link Action}s that are localized, user configurable and may invoke their final methods using Reflection;
  * also handles extremely much useful stuff for i18n/l10n.

Added: libs/swing-action/trunk/src/net/sf/japi/swing/IconManager.java
===================================================================
--- libs/swing-action/trunk/src/net/sf/japi/swing/IconManager.java	                        (rev 0)
+++ libs/swing-action/trunk/src/net/sf/japi/swing/IconManager.java	2006-11-26 16:20:19 UTC (rev 213)
@@ -0,0 +1,137 @@
+package net.sf.japi.swing;
+
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import org.jetbrains.annotations.Nullable;
+
+/** Class to handle icons.
+ * Default size is 16.
+ * Instances must have an associated ClassLoader, otherwise several methods will not work properly but throw a NullPointerException instead.
+ * So if you do not provide a ClassLoader, be sure the class you provide has one, or if you use the no-arg constructor resp. the default instance, be
+ * sure the IconManager class itself was loaded with some ClassLoader other than <code>null</code>.
+ * @author <a href="mailto:ch...@ri...">Christian Hujer</a>
+ * @todo this class should be refactored into a more generic version and accessible through ActionFactory?
+ * @todo it should be possible to initialize the paths through properties
+ */
+public final class IconManager {
+
+    /** The default IconManager. */
+    private static final IconManager DEFAULT_ICON_MANAGER = createDefaultIconManager();
+
+    /** Create the default IconManager.
+     * @return default IconManager
+     */
+    private static IconManager createDefaultIconManager() {
+        final IconManager defaultIconManager = new IconManager();
+        defaultIconManager.iconPaths.add("icons/");
+        defaultIconManager.iconPaths.add("toolbarButtonGraphics/");
+        return defaultIconManager;
+    }
+
+    /** ClassLoader to get icons from, must not be null. */
+    private final ClassLoader classLoader;
+
+    /** The available sizes provided by this IconManager. */
+    private final int[] availableSizes = { 16, 24 };
+
+    /** The icon cache.
+     * Key: short name for icon, which is likely to be used as a relative file name.
+     * Value: Icon
+     */
+    private final Map<String,Icon> smallCache = new WeakHashMap<String,Icon>();
+
+    /** The paths to search icons in. */
+    private final List<String> iconPaths = new ArrayList<String>();
+
+    /** Get the default IconManager.
+     * The ClassLoader in use is the classloader IconManager was loaded with, whatever classloader that was.
+     * @return default IconManaager
+     */
+    public static IconManager getDefaultIconManager() {
+        return DEFAULT_ICON_MANAGER;
+    }
+
+    /** Create a IconManager.
+     * Uses the IconManager's class loader.
+     * Only use this if you want to be independent of the global icon size settings.
+     * The recommended way to get a default IconManager instance is {#getDefaultIconManager()}.
+     */
+    public IconManager() {
+        this(getContextClassLoader());
+        //this(IconManager.class.getClassLoader());
+    }
+
+    private static ClassLoader getContextClassLoader() {
+        return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
+            public ClassLoader run() {
+                try {
+                    return Thread.currentThread().getContextClassLoader();
+                } catch (final SecurityException e) {
+                    return getClass().getClassLoader();
+                }
+            }
+        });
+    }
+
+    /** Create an IconManager.
+     * @param clazz Class to get ClassLoader for IconManager
+     */
+    public IconManager(final Class<?> clazz) {
+        classLoader = clazz.getClassLoader();
+    }
+
+    /** Create an IconManager.
+     * @param cl ClassLoader to create IconManager for
+     */
+    public IconManager(final ClassLoader cl) {
+        classLoader = cl;
+    }
+
+    /** Return the available sizes for icons.
+     * @return available icon sizes
+     */
+    public int[] getAvailableSizes() {
+        return availableSizes.clone();
+    }
+
+    /** Load an icon.
+     * @param s icon name, like "general/About" or "navigation/Forward"
+     * @return Icon for <var>s</var>
+     */
+    @Nullable
+    public Icon getIcon(final String s) {
+        Icon icon = smallCache.get(s);
+        if (icon == null) {
+            URL url = null;
+            // Search the configured class loader
+            for (final Iterator<String> it = iconPaths.iterator(); url == null && it.hasNext();) {
+                final String path = it.next();
+                final String iconPath = path + (path.endsWith("/") ? "" : "/") + s + ".gif";
+                url = classLoader.getResource(iconPath);
+            }
+            if (url == null) {
+                // if searching the configured class loader failed, search the system class loader
+                for (final Iterator<String> it = iconPaths.iterator(); url == null && it.hasNext();) {
+                    final String path = it.next();
+                    final String iconPath = path + (path.endsWith("/") ? "" : "/") + s + ".gif";
+                    url = ClassLoader.getSystemResource(iconPath);
+                }
+            }
+            if (url == null) {
+                return null;
+            }
+            icon = new ImageIcon(url);
+            smallCache.put(s, icon);
+        }
+        return icon;
+    }
+
+} // class IconManager


Property changes on: libs/swing-action/trunk/src/net/sf/japi/swing/IconManager.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain
Name: svn:eol-style
   + LF


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