--- /dev/null
+/*******************************************************************************
+ * 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.ui;
+
+import net.sourceforge.phpdt.core.Flags;
+import net.sourceforge.phpdt.core.IMethod;
+import net.sourceforge.phpdt.core.IType;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.internal.ui.PHPUiImages;
+import net.sourceforge.phpdt.internal.ui.viewsupport.ImageDescriptorRegistry;
+import net.sourceforge.phpdt.internal.ui.viewsupport.ImageImageDescriptor;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.viewers.IDecoration;
+import org.eclipse.jface.viewers.ILabelDecorator;
+import org.eclipse.jface.viewers.ILabelProviderListener;
+import org.eclipse.jface.viewers.ILightweightLabelDecorator;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+
+/**
+ * LabelDecorator that decorates an method's image with override or implements
+ * overlays. The viewer using this decorator is responsible for updating the
+ * images on element changes.
+ *
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ *
+ * @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 or <code>null</code> 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);
+ }
+ }
+
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff