Case Study: adding data and statistics

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

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/template/preferences/TemplateVariableProposal.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/template/preferences/TemplateVariableProposal.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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.template.preferences;
+
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Shell;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContextInformation;
+import org.eclipse.jface.text.templates.TemplateVariableResolver;
+
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+
+/**
+ * A proposal for insertion of template variables.
+ */
+public class TemplateVariableProposal implements ICompletionProposal {
+
+       private TemplateVariableResolver fResolver;
+       private int fOffset;
+       private int fLength;
+       private ITextViewer fViewer;
+
+       private Point fSelection;
+       private final boolean fIncludeBrace;
+
+       /**
+        * Creates a template variable proposal.
+        *
+        * @param variable the template variable
+        * @param offset the offset to replace
+        * @param length the length to replace
+        * @param viewer the viewer
+        * @param includeBrace whether to also replace the ${
+        */
+       public TemplateVariableProposal(TemplateVariableResolver variable, int offset, int length, ITextViewer viewer, boolean includeBrace) {
+               fResolver= variable;
+               fOffset= offset;
+               fLength= length;
+               fViewer= viewer;
+               fIncludeBrace= includeBrace;
+       }
+
+       /*
+        * @see ICompletionProposal#apply(IDocument)
+        */
+       public void apply(IDocument document) {
+
+               try {
+                       String variable;
+                       String type= fResolver.getType();
+                       if (type.equals("dollar")) //$NON-NLS-1$
+                               variable= "$$"; //$NON-NLS-1$
+                       else if (fIncludeBrace)
+                               variable= "${" + type + '}'; //$NON-NLS-1$
+                       else
+                               variable= type;
+                       document.replace(fOffset, fLength, variable);
+                       fSelection= new Point(fOffset + variable.length(), 0);
+
+               } catch (BadLocationException e) {
+                       JavaPlugin.log(e);
+
+                       Shell shell= fViewer.getTextWidget().getShell();
+                       MessageDialog.openError(shell, TemplatePreferencesMessages.TemplateVariableProposal_error_title, e.getMessage());
+               }
+       }
+
+       /*
+        * @see ICompletionProposal#getSelection(IDocument)
+        */
+       public Point getSelection(IDocument document) {
+               return fSelection;
+       }
+
+       /*
+        * @see ICompletionProposal#getAdditionalProposalInfo()
+        */
+       public String getAdditionalProposalInfo() {
+               return fResolver.getDescription();
+       }
+
+       /*
+        * @see ICompletionProposal#getDisplayString()
+        */
+       public String getDisplayString() {
+               return fResolver.getType();
+       }
+
+       /*
+        * @see ICompletionProposal#getImage()
+        */
+       public Image getImage() {
+               return null;
+       }
+
+       /*
+        * @see ICompletionProposal#getContextInformation()
+        */
+       public IContextInformation getContextInformation() {
+               return null;
+       }
+}