DatabasePlatformChooserDialog.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsplugin.ui.db;

import java.awt.Component;
import java.awt.event.MouseEvent;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.framework.ui.dialog.AbstractDialog;
import org.eclipse.persistence.tools.workbench.framework.uitools.DoubleClickMouseListener;
import org.eclipse.persistence.tools.workbench.framework.uitools.SwingComponentFactory;
import org.eclipse.persistence.tools.workbench.platformsplugin.ui.PlatformComponentFactory;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;


final class DatabasePlatformChooserDialog
    extends AbstractDialog
{
    //initial focus component
    JList list;
    private PropertyValueModel selectionHolder;

    DatabasePlatformChooserDialog(WorkbenchContext context, PropertyValueModel selectionHolder) {
        super(context, context.getApplicationContext().getResourceRepository().getString("DATABASE_PLATFORMS_DIALOG.title"));
        this.selectionHolder = selectionHolder;
    }

    private DoubleClickMouseListener buildDoubleClickMouseListener() {
        return new DoubleClickMouseListener() {
            public void mouseDoubleClicked(MouseEvent e) {
                DatabasePlatformChooserDialog.this.clickOK();
            }
        };
    }

    private ListSelectionListener buildListSelectionListener() {
        return new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                if ( ! e.getValueIsAdjusting()) {
                    JList list = (JList) e.getSource();
                    DatabasePlatformChooserDialog.this.getOKAction().setEnabled(list.getSelectedValue() != null);
                }
            }
        };
    }

    protected Component buildMainPanel() {
        // Create the list
        this.list = PlatformComponentFactory.buildPlatformList(selectionHolder);
        this.list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        this.list.addListSelectionListener(buildListSelectionListener());

        // setup double clicking in the list
        SwingComponentFactory.addDoubleClickMouseListener(this.list, buildDoubleClickMouseListener());

        JScrollPane scrollPane = new JScrollPane(this.list);
        scrollPane.getViewport().setPreferredSize(this.list.getPreferredSize());
        return scrollPane;
    }

    protected String helpTopicId() {
        return "dialog.databasePlatform";
    }

    protected Component initialFocusComponent() {
        return this.list;
    }

    protected void initialize() {
        super.initialize();
        getOKAction().setEnabled(false);
    }
}