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 / viewsupport / AppearanceAwareLabelProvider.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/viewsupport/AppearanceAwareLabelProvider.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/viewsupport/AppearanceAwareLabelProvider.java
new file mode 100644 (file)
index 0000000..8150635
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/viewsupport/AppearanceAwareLabelProvider.java
@@ -0,0 +1,109 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.viewsupport;
+
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.jface.viewers.LabelProviderChangedEvent;
+
+/**
+ * JavaUILabelProvider that respects settings from the Appearance preference
+ * page. Triggers a viewer update when a preference changes.
+ */
+public class AppearanceAwareLabelProvider extends JavaUILabelProvider implements
+               IPropertyChangeListener {
+
+       public final static int DEFAULT_TEXTFLAGS = JavaElementLabels.ROOT_VARIABLE
+                       | JavaElementLabels.M_PARAMETER_TYPES
+                       | JavaElementLabels.M_APP_RETURNTYPE
+                       | JavaElementLabels.REFERENCED_ROOT_POST_QUALIFIED;
+
+       public final static int DEFAULT_IMAGEFLAGS = JavaElementImageProvider.OVERLAY_ICONS;
+
+       private int fTextFlagMask;
+
+       private int fImageFlagMask;
+
+       /**
+        * Constructor for AppearanceAwareLabelProvider.
+        */
+       public AppearanceAwareLabelProvider(int textFlags, int imageFlags) {
+               super(textFlags, imageFlags);
+               initMasks();
+               PreferenceConstants.getPreferenceStore()
+                               .addPropertyChangeListener(this);
+       }
+
+       /**
+        * Creates a labelProvider with DEFAULT_TEXTFLAGS and DEFAULT_IMAGEFLAGS
+        */
+//     public AppearanceAwareLabelProvider() {
+//             this(DEFAULT_TEXTFLAGS, DEFAULT_IMAGEFLAGS);
+//     }
+
+       private void initMasks() {
+               IPreferenceStore store = PreferenceConstants.getPreferenceStore();
+               fTextFlagMask = -1;
+               if (!store.getBoolean(PreferenceConstants.APPEARANCE_METHOD_RETURNTYPE)) {
+                       fTextFlagMask ^= JavaElementLabels.M_APP_RETURNTYPE;
+               }
+               if (!store
+                               .getBoolean(PreferenceConstants.APPEARANCE_COMPRESS_PACKAGE_NAMES)) {
+                       fTextFlagMask ^= JavaElementLabels.P_COMPRESSED;
+               }
+
+               fImageFlagMask = -1;
+       }
+
+       /*
+        * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+        */
+       public void propertyChange(PropertyChangeEvent event) {
+               String property = event.getProperty();
+               if (property.equals(PreferenceConstants.APPEARANCE_METHOD_RETURNTYPE)
+                               || property
+                                               .equals(PreferenceConstants.APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW)
+                               || property
+                                               .equals(PreferenceConstants.APPEARANCE_COMPRESS_PACKAGE_NAMES)) {
+                       initMasks();
+                       LabelProviderChangedEvent lpEvent = new LabelProviderChangedEvent(
+                                       this, null); // refresh all
+                       fireLabelProviderChanged(lpEvent);
+               }
+       }
+
+       /*
+        * @see IBaseLabelProvider#dispose()
+        */
+       public void dispose() {
+               PreferenceConstants.getPreferenceStore().removePropertyChangeListener(
+                               this);
+               super.dispose();
+       }
+
+       /*
+        * @see JavaUILabelProvider#evaluateImageFlags()
+        */
+       protected int evaluateImageFlags(Object element) {
+               return getImageFlags() & fImageFlagMask;
+       }
+
+       /*
+        * @see JavaUILabelProvider#evaluateTextFlags()
+        */
+       protected int evaluateTextFlags(Object element) {
+               return getTextFlags() & fTextFlagMask;
+       }
+
+}