editorfactory.java

eclise rcp 项目,是非常好的学习源码

/*******************************************************************************
 * Copyright (c) 2007 Siemens AG
 * 
 * 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:
 *    Kai T鰀ter - initial API and implementation
 *******************************************************************************/

package com.siemens.ct.mp3m.ui.views;

import java.util.ArrayList;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.ui.IEditorPart;

import com.siemens.ct.mp3m.utilities.LogUtil;

public class EditorFactory {
    static private IEditorPart defaultMp3Editor;
    static private String defaultMp3EditorId;
    
    static public IEditorPart[] getMp3Editors() {
        IConfigurationElement[] editors = Platform.getExtensionRegistry()
                .getConfigurationElementsFor("org.eclipse.ui", "editors");
        ArrayList<IEditorPart> editorParts = new ArrayList<IEditorPart>();
        for (IConfigurationElement editor : editors) {
            try {
                String extensions = editor.getAttribute("extensions");
                if ("mp3".equals(extensions)) {
                    IEditorPart editorPart = (IEditorPart) editor
                            .createExecutableExtension("class");
                    editorParts.add(editorPart);
                    defaultMp3Editor = editorPart;
                    defaultMp3EditorId = editor.getAttribute("id");
                }
            } catch (CoreException e) {
            	LogUtil.logError("com.siemens.ct.mp3m.ui.views",e);
            }
        }
        IEditorPart[] array = new IEditorPart[0];
        return editorParts.toArray(array);
    }

    /**
     * Gets the  defaultMp3Editor.
     *
     * @return Returns the defaultMp3Editor.
     */
    public static IEditorPart getDefaultMp3Editor() {
        getMp3Editors();
        return defaultMp3Editor;
    }

    /**
     * Gets the  defaultMp3EditorId.
     *
     * @return Returns the defaultMp3EditorId.
     */
    public static String getDefaultMp3EditorId() {
        getMp3Editors();
        return defaultMp3EditorId;
    }
}