1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / text / JavaColorManager.java
index a7a462b..8ef58d7 100644 (file)
@@ -4,7 +4,7 @@ package net.sourceforge.phpdt.internal.ui.text;
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
+
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
@@ -20,79 +20,111 @@ import org.eclipse.swt.widgets.Display;
  * Java color manager.
  */
 public class JavaColorManager implements IColorManager, IColorManagerExtension {
-       
-       protected Map fKeyTable= new HashMap(10);
-       protected Map fDisplayTable= new HashMap(2);
-       
-       
-       public JavaColorManager() {
+       protected Map fKeyTable = new HashMap(10);
+
+       protected Map fDisplayTable = new HashMap(2);
+
+       /**
+        * Flag which tells if the colors are automatically disposed when the
+        * current display gets disposed.
+        */
+       private boolean fAutoDisposeOnDisplayDispose;
+
+       /**
+        * Creates a new Java color manager which automatically disposes the
+        * allocated colors when the current display gets disposed.
+        */
+//     public JavaColorManager() {
+//             this(true);
+//     }
+
+       /**
+        * Creates a new Java color manager.
+        * 
+        * @param autoDisposeOnDisplayDispose
+        *            if <code>true</code> the color manager automatically
+        *            disposes all managed colors when the current display gets
+        *            disposed and all calls to
+        *            {@link org.eclipse.jface.text.source.ISharedTextColors#dispose()}
+        *            are ignored.
+        * 
+        * @since 2.1
+        */
+       public JavaColorManager(boolean autoDisposeOnDisplayDispose) {
+               fAutoDisposeOnDisplayDispose = autoDisposeOnDisplayDispose;
        }
-       
-       private void dispose(Display display) {         
-               Map colorTable= (Map) fDisplayTable.get(display);
+
+       public void dispose(Display display) {
+               Map colorTable = (Map) fDisplayTable.get(display);
                if (colorTable != null) {
-                       Iterator e= colorTable.values().iterator();
-                       while (e.hasNext())
-                               ((Color) e.next()).dispose();
+                       Iterator e = colorTable.values().iterator();
+                       while (e.hasNext()) {
+                               Color color = (Color) e.next();
+                               if (color != null && !color.isDisposed())
+                                       color.dispose();
+                       }
                }
        }
-       
+
        /*
         * @see IColorManager#getColor(RGB)
         */
        public Color getColor(RGB rgb) {
-               
+
                if (rgb == null)
                        return null;
-               
-               final Display display= Display.getCurrent();
-               Map colorTable= (Map) fDisplayTable.get(display);
+
+               final Display display = Display.getCurrent();
+               Map colorTable = (Map) fDisplayTable.get(display);
                if (colorTable == null) {
-                       colorTable= new HashMap(10);
+                       colorTable = new HashMap(10);
                        fDisplayTable.put(display, colorTable);
-                       display.disposeExec(new Runnable() {
-                               public void run() {
-                                       dispose(display);
-                               }
-                       });
+                       if (fAutoDisposeOnDisplayDispose) {
+                               display.disposeExec(new Runnable() {
+                                       public void run() {
+                                               dispose(display);
+                                       }
+                               });
+                       }
                }
-               
-               Color color= (Color) colorTable.get(rgb);
+
+               Color color = (Color) colorTable.get(rgb);
                if (color == null) {
-                       color= new Color(Display.getCurrent(), rgb);
+                       color = new Color(Display.getCurrent(), rgb);
                        colorTable.put(rgb, color);
                }
-               
+
                return color;
        }
-       
+
        /*
         * @see IColorManager#dispose
         */
        public void dispose() {
-               // nothing to dispose
+               if (!fAutoDisposeOnDisplayDispose)
+                       dispose(Display.getCurrent());
        }
-       
+
        /*
         * @see IColorManager#getColor(String)
         */
        public Color getColor(String key) {
-               
+
                if (key == null)
                        return null;
-                       
-               RGB rgb= (RGB) fKeyTable.get(key);
+
+               RGB rgb = (RGB) fKeyTable.get(key);
                return getColor(rgb);
        }
-       
+
        /*
         * @see IColorManagerExtension#bindColor(String, RGB)
         */
        public void bindColor(String key, RGB rgb) {
-               Object value= fKeyTable.get(key);
+               Object value = fKeyTable.get(key);
                if (value != null)
                        throw new UnsupportedOperationException();
-               
+
                fKeyTable.put(key, rgb);
        }