PDTScriptCompletionProposalCollector.java

/*
 * This file is part of the PDT Extensions eclipse plugin.
 *
 * (c) Robert Gruendler <r.gruendler@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
package org.pdtextensions.core.ui.contentassist;

import org.eclipse.dltk.core.CompletionProposal;
import org.eclipse.dltk.core.IMethod;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.ui.text.completion.IScriptCompletionProposal;
import org.eclipse.dltk.ui.text.completion.MethodProposalInfo;
import org.eclipse.jface.text.IDocument;
import org.eclipse.php.core.codeassist.ICompletionContextResolver;
import org.eclipse.php.core.codeassist.ICompletionStrategyFactory;
import org.eclipse.php.internal.core.codeassist.IPHPCompletionRequestorExtension;
import org.eclipse.php.internal.ui.editor.contentassist.PHPCompletionProposalCollector;
import org.eclipse.swt.graphics.Image;
import org.pdtextensions.core.codeassist.CompletionContextResolver;
import org.pdtextensions.core.codeassist.CompletionStrategyFactory;
import org.pdtextensions.core.codeassist.PDTCompletionInfo;


/**
 *
 */
@SuppressWarnings("restriction")
public class PDTScriptCompletionProposalCollector extends
		PHPCompletionProposalCollector implements IPHPCompletionRequestorExtension {

	/**
	 * @param document
	 * @param cu
	 * @param explicit
	 */
	public PDTScriptCompletionProposalCollector(IDocument document,
			ISourceModule cu, boolean explicit) {
		super(document, cu, explicit);

	}


	@Override
	protected IScriptCompletionProposal createScriptCompletionProposal(
			CompletionProposal proposal) {

		Object info = proposal.getExtraInfo();

		if ( !(info instanceof PDTCompletionInfo) )
			return null;

		PDTCompletionInfo additional = (PDTCompletionInfo) info;
		String completion = new String(proposal.getCompletion());
		int replaceStart = proposal.getReplaceStart();
		int length = getLength(proposal);
		Image image = getImage(getLabelProvider().createTypeImageDescriptor(proposal));
		String displayString = (getLabelProvider()).createLabel(proposal);


		SuperclassMethodCompletionProposal scriptProposal = new SuperclassMethodCompletionProposal(completion,
				replaceStart, length, image, displayString, 0, (IMethod) proposal.getModelElement(), additional.getSource());


		scriptProposal.setRelevance(Integer.MAX_VALUE);
		scriptProposal.setProposalInfo(new MethodProposalInfo(getScriptProject(), proposal));

		return scriptProposal;
	}


	@Override
	public ICompletionContextResolver[] getContextResolvers() {
		return new ICompletionContextResolver[] {new CompletionContextResolver()};
	}

	@Override
	public ICompletionStrategyFactory[] getStrategyFactories() {
		return new ICompletionStrategyFactory[] {
			new CompletionStrategyFactory()
		};
	}
}