1 files changed, 102 insertions, 0 deletions
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/editor/PDAContentAssistProcessor.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/editor/PDAContentAssistProcessor.java
new file mode 100644
index 000000000..5d7089472
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/editor/PDAContentAssistProcessor.java
@@ -0,0 +1,102 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2007 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
+ *     Bjorn Freeman-Benson - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.examples.ui.pda.editor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.contentassist.CompletionProposal;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
+import org.eclipse.jface.text.contentassist.IContextInformation;
+import org.eclipse.jface.text.contentassist.IContextInformationValidator;
+
+public class PDAContentAssistProcessor implements IContentAssistProcessor {
+
+    public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
+        int index = offset - 1;
+        StringBuffer prefix = new StringBuffer();
+        IDocument document = viewer.getDocument();
+        while (index > 0) {
+            try {
+                char prev = document.getChar(index);
+                if (Character.isWhitespace(prev)) {
+                    break;
+                }
+                prefix.insert(0, prev);
+                index--;
+            } catch (BadLocationException e) {
+            }
+        }
+        
+        List proposals = new ArrayList();
+        String[] keywords = PDAScanner.fgKeywords;
+        if (prefix.length() > 0) {
+            String word = prefix.toString();
+            for (int i = 0; i < keywords.length; i++) {
+                String keyword = keywords[i];
+                if (keyword.startsWith(word) && word.length() < keyword.length()) {
+                    proposals.add(new CompletionProposal(keyword + " ", index + 1, offset - (index + 1), keyword.length() + 1));
+                }
+            }
+        } else {
+            // propose all keywords
+            for (int i = 0; i < keywords.length; i++) {
+                String keyword = keywords[i];
+                proposals.add(new CompletionProposal(keyword + " ", offset, 0, keyword.length() + 1));
+            }
+        }
+        if (!proposals.isEmpty()) {
+            return (ICompletionProposal[]) proposals.toArray(new ICompletionProposal[proposals.size()]);
+        }
+        return null;
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeContextInformation(org.eclipse.jface.text.ITextViewer, int)
+     */
+    public IContextInformation[] computeContextInformation(ITextViewer viewer, int offset) {
+        return null;
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
+     */
+    public char[] getCompletionProposalAutoActivationCharacters() {
+        return null;
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getContextInformationAutoActivationCharacters()
+     */
+    public char[] getContextInformationAutoActivationCharacters() {
+        return null;
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getErrorMessage()
+     */
+    public String getErrorMessage() {
+        return null;
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getContextInformationValidator()
+     */
+    public IContextInformationValidator getContextInformationValidator() {
+        return null;
+    }
+
+}