EGLSubtypeReferenceCompletion.java example

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edt-master
/*******************************************************************************
 * Copyright © 2000, 2013 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.edt.ide.ui.internal.contentassist.referencecompletion;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.edt.compiler.core.ast.Node;
import org.eclipse.edt.compiler.core.ast.Part;
import org.eclipse.edt.compiler.core.ast.SettingsBlock;
import org.eclipse.edt.ide.core.internal.errors.ParseStack;
import org.eclipse.edt.ide.core.internal.model.IRPartType;
import org.eclipse.edt.ide.core.search.IEGLSearchConstants;
import org.eclipse.edt.ide.ui.internal.contentassist.proposalhandlers.EGLPartSearchAnnotationProposalHandler;
import org.eclipse.edt.ide.ui.internal.contentassist.proposalhandlers.EGLPartSearchProposalHandler;
import org.eclipse.edt.ide.ui.internal.contentassist.referencecompletion.EGLAbstractReferenceCompletion.CompletedNodeVerifier;
import org.eclipse.edt.ide.ui.internal.contentassist.referencecompletion.EGLAbstractReferenceCompletion.IBoundNodeProcessor;
import org.eclipse.jface.text.ITextViewer;

public class EGLSubtypeReferenceCompletion extends EGLAbstractReferenceCompletion {
	String additionalInfoText = ""; //$NON-NLS-1$
	
	/* (non-Javadoc)
	 * @see org.eclipse.edt.ide.ui.internal.contentassist.EGLAbstractReferenceCompletion#precompileContexts()
	 */
	protected void precompileContexts() {
		addContext("package a; record a type"); //$NON-NLS-1$
	}

	/* (non-Javadoc)
	 * @see org.eclipse.edt.ide.ui.internal.contentassist.EGLAbstractReferenceCompletion#returnCompletionProposals(com.ibm.etools.egl.pgm.errors.ParseStack, java.util.List, org.eclipse.jface.text.ITextViewer, int)
	 */
	protected List returnCompletionProposals(ParseStack parseStack, final String prefix, final ITextViewer viewer, final int documentOffset) {
		final List proposals = new ArrayList();
		
		getBoundASTNode(viewer, documentOffset, new String[] {"", "a", "a end"}, new CompletedNodeVerifier() { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
			public boolean nodeIsValid(Node astNode) {
				return (astNode instanceof Part);
			}
		}, new IBoundNodeProcessor() {
			public void processBoundNode(Node boundNode) {
					proposals.addAll(new EGLPartSearchAnnotationProposalHandler(viewer, documentOffset, prefix, editor, false, false, new ArrayList(), boundNode).getProposals(IEGLSearchConstants.RECORD, "", new String[]{"stereotype", IRPartType.STEREOTYPETYPE}));
			}
		});

		return proposals;
	}
	
}