com.nextep.designer.data.ui.editors.DataSetComparisonEditor.java Source code

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Here is the source code for com.nextep.designer.data.ui.editors.DataSetComparisonEditor.java

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/*******************************************************************************
 * Copyright (c) 2011 neXtep Software and contributors.
 * All rights reserved.
 *
 * This file is part of neXtep designer.
 *
 * NeXtep designer 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 any later version.
 *
 * NeXtep designer 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     neXtep Softwares - initial API and implementation
 *******************************************************************************/
package com.nextep.designer.data.ui.editors;

import java.sql.Connection;
import java.sql.SQLException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.part.EditorPart;
import com.nextep.datadesigner.exception.ErrorException;
import com.nextep.datadesigner.gui.impl.editors.TypedEditorInput;
import com.nextep.datadesigner.model.ITypedObject;
import com.nextep.designer.data.ui.DataUiMessages;
import com.nextep.designer.dbgm.DbgmPlugin;
import com.nextep.designer.dbgm.model.IDataSet;
import com.nextep.designer.dbgm.model.IStorageHandle;
import com.nextep.designer.dbgm.services.IStorageService;
import com.nextep.designer.sqlclient.ui.SQLClientPlugin;
import com.nextep.designer.sqlclient.ui.connectors.SQLResultConnector;
import com.nextep.designer.sqlclient.ui.services.ISQLClientService;
import com.nextep.designer.ui.model.IUIComponent;
import com.nextep.designer.ui.model.IUIComponentContainer;

public class DataSetComparisonEditor extends EditorPart implements IUIComponentContainer {

    public static final String EDITOR_ID = "com.neXtep.designer.sqlclient.ui.dataset.comparisonEditor"; //$NON-NLS-1$
    private static final Log LOGGER = LogFactory.getLog(DataSetComparisonEditor.class);
    private SQLResultConnector connector;
    private Connection connection;
    private Control control;

    @Override
    public void doSave(IProgressMonitor monitor) {
        // Not allowed
    }

    @Override
    public void doSaveAs() {
        // Not allowed
    }

    @Override
    public void init(IEditorSite site, IEditorInput input) throws PartInitException {
        if (input instanceof TypedEditorInput) {
            try {
                connection = DbgmPlugin.getService(IStorageService.class).getLocalConnection();
            } catch (SQLException e) {
                throw new ErrorException(DataUiMessages.getString("editor.dataset.comparison.localConnectionFailed") //$NON-NLS-1$
                        + e.getMessage(), e);
            }
            setInput(input);
            setSite(site);
        }
    }

    @Override
    public boolean isDirty() {
        return false;
    }

    @Override
    public boolean isSaveAsAllowed() {
        return false;
    }

    @Override
    public void createPartControl(Composite parent) {
        connector = new SQLResultConnector();
        connector.setUIComponentContainer(this);
        control = connector.create(parent);

        TypedEditorInput input = (TypedEditorInput) getEditorInput();
        ITypedObject model = input.getModel();
        if (model instanceof IDataSet) {
            final IDataSet dataset = (IDataSet) model;
            final IStorageHandle handle = dataset.getStorageHandle();
            if (handle != null) {
                SQLClientPlugin.getService(ISQLClientService.class).runQuery(connection,
                        handle.getSelectStatement(), handle.getDisplayedColumnsCount(), connector);
            }
        }
        setPartName(input.getName());
    }

    @Override
    public void setFocus() {
        control.setFocus();
    }

    @Override
    public void dispose() {
        if (connection != null) {
            try {
                connection.close();
            } catch (SQLException e) {
                LOGGER.warn(DataUiMessages.getString("editor.dataset.comparison.closeConnectionFailed") //$NON-NLS-1$
                        + e.getMessage(), e);
            }
        }
        super.dispose();
    }

    @Override
    public IUIComponent getUIComponent() {
        return connector;
    }

    @Override
    public void run(boolean block, boolean cancellable, IRunnableWithProgress runnable) {

    }

    @Override
    public void setErrorMessage(String message) {
        // No error message support
    }
}