DesignParserProvider.java example

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gmf-tooling-master
/*
 *  Copyright (c) 2006, 2007 Borland Software Corporation
 *  
 *  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:
 *     Dmitry Stadnik (Borland) - initial API and implementation
 */
package org.eclipse.gmf.examples.design2d.providers;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.examples.design2d.part.DesignVisualIDRegistry;
import org.eclipse.gmf.runtime.common.core.service.AbstractProvider;
import org.eclipse.gmf.runtime.common.core.service.IOperation;
import org.eclipse.gmf.runtime.common.ui.services.parser.GetParserOperation;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParser;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParserProvider;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.ui.services.parser.ParserHintAdapter;
import org.eclipse.gmf.runtime.notation.View;

/**
 * @generated
 */
public class DesignParserProvider extends AbstractProvider implements IParserProvider {

	/**
	 * @generated
	 */
	protected IParser getParser(int visualID) {
		switch (visualID) {
		}
		return null;
	}

	/**
	 * @generated
	 */
	public IParser getParser(IAdaptable hint) {
		String vid = (String) hint.getAdapter(String.class);
		if (vid != null) {
			return getParser(DesignVisualIDRegistry.getVisualID(vid));
		}
		View view = (View) hint.getAdapter(View.class);
		if (view != null) {
			return getParser(DesignVisualIDRegistry.getVisualID(view));
		}
		return null;
	}

	/**
	 * @generated
	 */
	public boolean provides(IOperation operation) {
		if (operation instanceof GetParserOperation) {
			IAdaptable hint = ((GetParserOperation) operation).getHint();
			if (DesignElementTypes.getElement(hint) == null) {
				return false;
			}
			return getParser(hint) != null;
		}
		return false;
	}

	/**
	 * @generated
	 */
	public static class HintAdapter extends ParserHintAdapter {

		/**
		 * @generated
		 */
		private final IElementType elementType;

		/**
		 * @generated
		 */
		public HintAdapter(IElementType type, EObject object, String parserHint) {
			super(object, parserHint);
			assert type != null;
			elementType = type;
		}

		/**
		 * @generated
		 */
		public Object getAdapter(Class adapter) {
			if (IElementType.class.equals(adapter)) {
				return elementType;
			}
			return super.getAdapter(adapter);
		}
	}

}