Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / text / java / ProposalContextInformation.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/java/ProposalContextInformation.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/java/ProposalContextInformation.java
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+++ b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/java/ProposalContextInformation.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 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.text.java;
+
+
+
+import org.eclipse.swt.graphics.Image;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+
+import org.eclipse.jface.text.contentassist.IContextInformation;
+import org.eclipse.jface.text.contentassist.IContextInformationExtension;
+
+import org.eclipse.jdt.core.CompletionProposal;
+
+import org.eclipse.jdt.ui.text.java.CompletionProposalLabelProvider;
+
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+
+
+/**
+ * Implementation of the <code>IContextInformation</code> interface.
+ */
+public final class ProposalContextInformation implements IContextInformation, IContextInformationExtension {
+
+       private final String fContextDisplayString;
+       private final String fInformationDisplayString;
+       private final Image fImage;
+       private int fPosition;
+
+       /**
+        * Creates a new context information.
+        *
+        * @param proposal the JDT Core completion proposal
+        */
+       public ProposalContextInformation(CompletionProposal proposal) {
+               // don't cache the core proposal because the ContentAssistant might
+               // hang on to the context info.
+               CompletionProposalLabelProvider labelProvider= new CompletionProposalLabelProvider();
+               fInformationDisplayString= labelProvider.createParameterList(proposal);
+               ImageDescriptor descriptor= labelProvider.createImageDescriptor(proposal);
+               if (descriptor != null)
+                       fImage= JavaPlugin.getImageDescriptorRegistry().get(descriptor);
+               else
+                       fImage= null;
+               if (proposal.getCompletion().length == 0)
+                       fPosition= proposal.getCompletionLocation() + 1;
+               else
+                       fPosition= -1;
+               fContextDisplayString= labelProvider.createLabel(proposal);
+       }
+
+       /*
+        * @see IContextInformation#equals
+        */
+       @Override
+       public boolean equals(Object object) {
+               if (object instanceof IContextInformation) {
+                       IContextInformation contextInformation= (IContextInformation) object;
+                       boolean equals= getInformationDisplayString().equalsIgnoreCase(contextInformation.getInformationDisplayString());
+                       if (getContextDisplayString() != null)
+                               equals= equals && getContextDisplayString().equalsIgnoreCase(contextInformation.getContextDisplayString());
+                       return equals;
+               }
+               return false;
+       }
+
+       /*
+        * @see java.lang.Object#hashCode()
+        * @since 3.5
+        */
+       @Override
+       public int hashCode() {
+               int low= fContextDisplayString != null ? fContextDisplayString.hashCode() : 0;
+               return (fInformationDisplayString.hashCode() << 16) | low;
+       }
+
+       /*
+        * @see IContextInformation#getInformationDisplayString()
+        */
+       public String getInformationDisplayString() {
+               return fInformationDisplayString;
+       }
+
+       /*
+        * @see IContextInformation#getImage()
+        */
+       public Image getImage() {
+               return fImage;
+       }
+
+       /*
+        * @see IContextInformation#getContextDisplayString()
+        */
+       public String getContextDisplayString() {
+               return fContextDisplayString;
+       }
+
+       /*
+        * @see IContextInformationExtension#getContextInformationPosition()
+        */
+       public int getContextInformationPosition() {
+               return fPosition;
+       }
+
+       /**
+        * Sets the context information position.
+        *
+        * @param position the new position, or -1 for unknown.
+        * @since 3.1
+        */
+       public void setContextInformationPosition(int position) {
+               fPosition= position;
+       }
+
+       public IContextInformation generated_6882014020885039107(JavaMethodCompletionProposal javamethodcompletionproposal) {
+               if (javamethodcompletionproposal.fContextInformationPosition != 0 && javamethodcompletionproposal.fProposal.getCompletion().length == 0)
+                       setContextInformationPosition(javamethodcompletionproposal.fContextInformationPosition);
+               return this;
+       }
+
+       public IContextInformation generated_6099173234603606672(CompletionProposal proposal, AnonymousTypeCompletionProposal anonymoustypecompletionproposal) {
+               if (anonymoustypecompletionproposal.fContextInformationPosition != 0 && proposal.getCompletion().length == 0)
+                       setContextInformationPosition(anonymoustypecompletionproposal.fContextInformationPosition);
+               return this;
+       }
+
+       public IContextInformation generated_5335079162214085417(LazyJavaTypeCompletionProposal lazyjavatypecompletionproposal) {
+               if (lazyjavatypecompletionproposal.fContextInformationPosition != 0 && lazyjavatypecompletionproposal.fProposal.getCompletion().length == 0)
+                       setContextInformationPosition(lazyjavatypecompletionproposal.fContextInformationPosition);
+               return this;
+       }
+}