SourceViewerEditorManager.java

/*
 * #%~
 * org.overture.ide.debug
 * %%
 * Copyright (C) 2008 - 2014 Overture
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #~%
 */
package org.overture.ide.debug.ui.model;

import java.util.Collection;
import java.util.Hashtable;
import java.util.Map;

import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.overture.ide.debug.core.IDebugConstants;

public class SourceViewerEditorManager
{
	/**
	 * A handle to the unique Singleton instance.
	 */
	static private SourceViewerEditorManager _instance = null;
	static final Map<String, String> editors = new Hashtable<String, String>();

	/**
	 * @return The unique instance of this class.
	 */
	static public SourceViewerEditorManager getInstance()
	{
		if (null == _instance)
		{
			_instance = new SourceViewerEditorManager();
		}
		return _instance;
	}

	public SourceViewerEditorManager()
	{
		editors.putAll(getEditors());
	}

	private Map<String, String> getEditors()
	{
		Map<String, String> editors = new Hashtable<String, String>();

		IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(IDebugConstants.EXTENSION_SOURCEVIEWER_EDITOR);

		for (IConfigurationElement e : config)
		{
			String editorId = e.getAttribute("EditorId");
			String contentTypeId = e.getAttribute("ContentTypeId");

			editors.put(contentTypeId, editorId);
		}

		return editors;
	}

	public Collection<String> getContentTypeIds()
	{
		return editors.keySet();
	}

	public String getEditorId(String contentTypeId)
	{
		return editors.get(contentTypeId);
	}

}