+ * This class may be instantiated; it is not intended to be subclassed. + *
+ * + * @since 2.0 + */ +public class OverrideIndicatorLabelDecorator implements ILabelDecorator, ILightweightLabelDecorator { + + private ImageDescriptorRegistry fRegistry; + private boolean fUseNewRegistry= false; + + /** + * Creates a decorator. The decorator creates an own image registry to cache + * images. + */ + public OverrideIndicatorLabelDecorator() { + this(null); + fUseNewRegistry= true; + } + + /* + * Creates decorator with a shared image registry. + * + * @param registry The registry to use ornull to use the Java plugin's
+ * image registry.
+ */
+ /**
+ * Note: This constructor is for internal use only. Clients should not call this constructor.
+ */
+ public OverrideIndicatorLabelDecorator(ImageDescriptorRegistry registry) {
+ fRegistry= registry;
+ }
+
+ private ImageDescriptorRegistry getRegistry() {
+ if (fRegistry == null) {
+ fRegistry= fUseNewRegistry ? new ImageDescriptorRegistry() : PHPeclipsePlugin.getImageDescriptorRegistry();
+ }
+ return fRegistry;
+ }
+
+
+ /* (non-Javadoc)
+ * @see ILabelDecorator#decorateText(String, Object)
+ */
+ public String decorateText(String text, Object element) {
+ return text;
+ }
+
+ /* (non-Javadoc)
+ * @see ILabelDecorator#decorateImage(Image, Object)
+ */
+ public Image decorateImage(Image image, Object element) {
+ int adornmentFlags= computeAdornmentFlags(element);
+ if (adornmentFlags != 0) {
+ ImageDescriptor baseImage= new ImageImageDescriptor(image);
+ Rectangle bounds= image.getBounds();
+ return getRegistry().get(new JavaElementImageDescriptor(baseImage, adornmentFlags, new Point(bounds.width, bounds.height)));
+ }
+ return image;
+ }
+
+ /**
+ * Note: This method is for internal use only. Clients should not call this method.
+ */
+ public int computeAdornmentFlags(Object element) {
+ if (element instanceof IMethod) {
+ if (!PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.APPEARANCE_OVERRIDE_INDICATOR)) {
+ return 0;
+ }
+
+ try {
+ IMethod method= (IMethod) element;
+// if (!method.getJavaProject().isOnClasspath(method)) {
+// return 0;
+// }
+
+ int flags= method.getFlags();
+ IType type = method.getDeclaringType();//jsurfer INSERT
+ if (type!=null && type.isClass() && !method.isConstructor() && !Flags.isPrivate(flags) && !Flags.isStatic(flags)) {
+ return getOverrideIndicators(method);
+ }
+ } catch (JavaModelException e) {
+ if (!e.isDoesNotExist()) {
+ PHPeclipsePlugin.log(e);
+ }
+ }
+ }
+ return 0;
+ }
+
+ /**
+ * Note: This method is for internal use only. Clients should not call this method.
+ */
+ protected int getOverrideIndicators(IMethod method) throws JavaModelException {
+ IType type= method.getDeclaringType();
+// ITypeHierarchy hierarchy= SuperTypeHierarchyCache.getTypeHierarchy(type);
+// if (hierarchy != null) {
+// return findInHierarchy(type, hierarchy, method.getElementName(), method.getParameterTypes());
+// }
+ return 0;
+ }
+
+ /**
+ * Note: This method is for internal use only. Clients should not call this method.
+ */
+// protected int findInHierarchy(IType type, ITypeHierarchy hierarchy, String name, String[] paramTypes) throws JavaModelException {
+// IMethod impl= JavaModelUtil.findMethodDeclarationInHierarchy(hierarchy, type, name, paramTypes, false);
+// if (impl != null) {
+// IMethod overridden= JavaModelUtil.findMethodImplementationInHierarchy(hierarchy, type, name, paramTypes, false);
+// if (overridden != null) {
+// return JavaElementImageDescriptor.OVERRIDES;
+// } else {
+// return JavaElementImageDescriptor.IMPLEMENTS;
+// }
+// }
+// return 0;
+// }
+
+ /* (non-Javadoc)
+ * @see IBaseLabelProvider#addListener(ILabelProviderListener)
+ */
+ public void addListener(ILabelProviderListener listener) {
+ }
+
+ /* (non-Javadoc)
+ * @see IBaseLabelProvider#dispose()
+ */
+ public void dispose() {
+ if (fRegistry != null && fUseNewRegistry) {
+ fRegistry.dispose();
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see IBaseLabelProvider#isLabelProperty(Object, String)
+ */
+ public boolean isLabelProperty(Object element, String property) {
+ return true;
+ }
+
+ /* (non-Javadoc)
+ * @see IBaseLabelProvider#removeListener(ILabelProviderListener)
+ */
+ public void removeListener(ILabelProviderListener listener) {
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ILightweightLabelDecorator#decorate(java.lang.Object, org.eclipse.jface.viewers.IDecoration)
+ */
+ public void decorate(Object element, IDecoration decoration) {
+ int adornmentFlags= computeAdornmentFlags(element);
+ if (adornmentFlags != 0) {
+ decoration.addOverlay(PHPUiImages.DESC_OVR_OVERRIDES);
+ }
+ }
+
+}