Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / javaeditor / JavaElementHyperlinkSuperImplementationDetector.java

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaElementHyperlinkSuperImplementationDetector.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaElementHyperlinkSuperImplementationDetector.java
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+/*******************************************************************************
+ * Copyright (c) 2010, 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.javaeditor;
+
+import java.util.List;
+
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.hyperlink.IHyperlink;
+
+import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IMethod;
+import org.eclipse.jdt.core.JavaModelException;
+
+import org.eclipse.jdt.internal.corext.util.JdtFlags;
+
+import org.eclipse.jdt.ui.actions.SelectionDispatchAction;
+
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
+
+/**
+ * Java element super implementation hyperlink detector for methods.
+ * 
+ * @since 3.7
+ */
+public class JavaElementHyperlinkSuperImplementationDetector extends JavaElementHyperlinkDetector {
+       /*
+        * @see org.eclipse.jdt.internal.ui.javaeditor.JavaElementHyperlinkDetector#createHyperlink(org.eclipse.jface.text.IRegion, org.eclipse.jdt.ui.actions.SelectionDispatchAction, org.eclipse.jdt.core.IJavaElement, boolean, org.eclipse.ui.texteditor.ITextEditor)
+        * @since 3.7
+        */
+       @Override
+       protected void addHyperlinks(List<IHyperlink> hyperlinksCollector, IRegion wordRegion, SelectionDispatchAction openAction, IJavaElement element, boolean qualify, JavaEditor editor) {
+               if (element.getElementType() == IJavaElement.METHOD && SelectionConverter.canOperateOn(editor) && isOverriddenMethod((IMethod)element)) {
+                       hyperlinksCollector.add(new JavaElementSuperImplementationHyperlink(wordRegion, openAction, (IMethod)element, qualify));
+               }
+       }
+
+       /**
+        * Indicates whether a method is overridden.
+        * 
+        * @param method the method to check
+        * @return <code>true</code> if the method is overridden, <code>false</code> otherwise
+        */
+       private boolean isOverriddenMethod(IMethod method) {
+               try {
+                       if (JdtFlags.isPrivate(method) || JdtFlags.isStatic(method) || method.isConstructor())
+                               return false;
+                       if (JavaElementSuperImplementationHyperlink.findSuperImplementation(method) != null)
+                               return true;
+               } catch (JavaModelException e) {
+                       JavaPlugin.log(e);
+               }
+               return false;
+       }
+}