org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/BreakpointConditionCompletionProcessor.java

/*******************************************************************************
 * 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 org.eclipse.jdt.internal.debug.ui;

import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.debug.ui.display.DisplayCompletionProcessor;
import org.eclipse.jdt.internal.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.internal.ui.text.template.TemplateEngine;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.contentassist.ICompletionProposal;

public class BreakpointConditionCompletionProcessor extends DisplayCompletionProcessor {

	private IType fType;
	
	private int fPosition;
		
	public BreakpointConditionCompletionProcessor(IType type) {
		fType= type;
	}

	/**
	 * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(ITextViewer, int)
	 */
	public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {

		if (fType == null) {
			return new ICompletionProposal[0];
		}
		
		IJavaProject project= fType.getJavaProject();
		try {
			// Generate selections from the compilation unit
			ITextSelection textSelection= (ITextSelection)viewer.getSelectionProvider().getSelection();			
			configureResultCollector(project, textSelection);	
			fType.codeComplete(viewer.getDocument().get().toCharArray(), fPosition, documentOffset,
				 new char[0][], new char[0][],
				 new int[0], false, getCollector());
				 
			IJavaCompletionProposal[] results= getCollector().getResults();
			
			// Generate selections from the template engine
			TemplateEngine templateEngine= getTemplateEngine();
			if (templateEngine != null) {
				try {
					templateEngine.reset();
					templateEngine.complete(viewer, documentOffset, null);
					IJavaCompletionProposal[] templateResults= templateEngine.getResults();

					// concatenate arrays
					IJavaCompletionProposal[] total= new IJavaCompletionProposal[results.length + templateResults.length];
					System.arraycopy(templateResults, 0, total, 0, templateResults.length);
					System.arraycopy(results, 0, total, templateResults.length, results.length);
					results= total;
				} catch (JavaModelException x) {
					JDIDebugUIPlugin.log(x);
				}					
			}	 
			 //Order here and not in result collector to make sure that the order
			 //applies to all proposals and not just those of the compilation unit. 
			return order(results);	
		} catch (JavaModelException x) {
			handle(viewer, x);
		}
		return null;
	}
	/**
	 * Sets the type.
	 * @param type The type to set
	 */
	public void setType(IType type) {
		fType= type;
	}

	/**
	 * Sets the line number.
	 * @param lineNb The line number to set
	 */
	public void setPosition(int position) {
		fPosition= position;
	}

}