X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/JavaColorManager.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/JavaColorManager.java index a7a462b..8ef58d7 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/JavaColorManager.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/JavaColorManager.java @@ -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 true 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); }