DataImportHandler.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.tools.transfer.handlers;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.ui.commands.IElementUpdater;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.menus.UIElement;
import org.jkiss.dbeaver.core.DBeaverCore;
import org.jkiss.dbeaver.model.navigator.DBNDatabaseNode;
import org.jkiss.dbeaver.model.navigator.DBNModel;
import org.jkiss.dbeaver.model.navigator.DBNNode;
import org.jkiss.dbeaver.model.struct.DBSDataContainer;
import org.jkiss.dbeaver.model.struct.DBSDataManipulator;
import org.jkiss.dbeaver.model.struct.DBSObject;
import org.jkiss.dbeaver.model.struct.DBSObjectContainer;
import org.jkiss.dbeaver.tools.transfer.IDataTransferConsumer;
import org.jkiss.dbeaver.tools.transfer.IDataTransferNode;
import org.jkiss.dbeaver.tools.transfer.IDataTransferProducer;
import org.jkiss.dbeaver.tools.transfer.database.DatabaseTransferConsumer;
import org.jkiss.dbeaver.tools.transfer.database.DatabaseTransferProducer;
import org.jkiss.dbeaver.ui.dialogs.BrowseObjectDialog;
import org.jkiss.dbeaver.ui.navigator.NavigatorUtils;
import org.jkiss.dbeaver.utils.RuntimeUtils;

import java.util.Map;

public class DataImportHandler extends DataTransferHandler implements IElementUpdater {

    @Override
    protected IDataTransferNode adaptTransferNode(Object object)
    {
        final DBSDataManipulator adapted = RuntimeUtils.getObjectAdapter(object, DBSDataManipulator.class);
        if (adapted != null) {
            return new DatabaseTransferConsumer(adapted);
        } else {
            return null;
        }
    }

    @Override
    protected IDataTransferProducer chooseProducer(ExecutionEvent event, IDataTransferConsumer consumer)
    {
        final DBNModel navigatorModel = DBeaverCore.getInstance().getNavigatorModel();
        final DBNNode rootNode = DBeaverCore.getInstance().getLiveProjects().size() == 1 ?
            navigatorModel.getRoot().getProject(DBeaverCore.getInstance().getProjectRegistry().getActiveProject()) : navigatorModel.getRoot();
        DBNNode node = BrowseObjectDialog.selectObject(
            HandlerUtil.getActiveShell(event),
            "Select source container for '" + consumer.getTargetName() + "'",
            rootNode,
            null,
            new Class[] {DBSObjectContainer.class, DBSDataContainer.class},
            new Class[] {DBSDataContainer.class});
        if (node instanceof DBNDatabaseNode) {
            DBSObject object = ((DBNDatabaseNode) node).getObject();
            if (object instanceof DBSDataContainer) {
                return new DatabaseTransferProducer((DBSDataContainer) object);
            }
        }
        return null;
    }

    @Override
    public void updateElement(UIElement element, Map parameters)
    {
        DBNNode node = NavigatorUtils.getSelectedNode(element);
        if (node != null) {
            element.setText("Import " + node.getNodeType() + " Data");
        }
    }

}