ERDEditorInputFactory.java

/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jkiss.dbeaver.ext.erd.editor;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Path;
import org.eclipse.ui.IElementFactory;
import org.eclipse.ui.IMemento;
import org.jkiss.dbeaver.core.DBeaverCore;
import org.jkiss.utils.CommonUtils;

public class ERDEditorInputFactory implements IElementFactory
{
    private static final String ID_FACTORY = ERDEditorInputFactory.class.getName(); //$NON-NLS-1$

    private static final String TAG_PATH = "path"; //$NON-NLS-1$

    @Override
    public IAdaptable createElement(IMemento memento)
    {
        // Get the file name.
        String fileName = memento.getString(TAG_PATH);
        if (!CommonUtils.isEmpty(fileName)) {
            // Make sure that core is initialized
            DBeaverCore.getInstance();

            IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(fileName));
            if (file != null) {
                return new ERDEditorInput(file);
            }
        }
        return null;
    }

    public static String getFactoryId()
    {
        return ID_FACTORY;
    }

    public static void saveState(IMemento memento, ERDEditorInput input)
    {
        memento.putString(TAG_PATH, input.getFile().getFullPath().toString());
    }

}