org.apache.cayenne.modeler.dialog.db.DbMigrateOptionsDialog.java Source code

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Here is the source code for org.apache.cayenne.modeler.dialog.db.DbMigrateOptionsDialog.java

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/*****************************************************************
 *   Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.
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package org.apache.cayenne.modeler.dialog.db;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Collection;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.util.CayenneDialog;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.FormLayout;

public class DbMigrateOptionsDialog extends CayenneDialog {
    private static final long serialVersionUID = 1L;
    public static final int CANCEL = 0;
    public static final int SELECT = 1;

    protected JLabel schemaLabel;
    protected JComboBox schemaSelector;
    protected JButton selectButton;
    protected JButton cancelButton;
    protected int choice;

    public DbMigrateOptionsDialog(Collection<String> schemas, String dbUserName) {
        super(Application.getFrame(), "Migrate DB Schema: Select Schema");
        init();
        initController();
        initFromModel(schemas, dbUserName);

        pack();
        setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
        setModal(true);
        centerWindow();
    }

    protected void init() {
        selectButton = new JButton("Continue");
        cancelButton = new JButton("Cancel");
        schemaSelector = new JComboBox();
        FormLayout layout = new FormLayout("right:pref, 3dlu, fill:max(170dlu;pref):grow", "");
        DefaultFormBuilder builder = new DefaultFormBuilder(layout);
        builder.setDefaultDialogBorder();

        schemaLabel = builder.append("Select Schema:", schemaSelector);

        JPanel buttons = new JPanel(new FlowLayout(FlowLayout.RIGHT));
        buttons.add(selectButton);
        buttons.add(cancelButton);

        getContentPane().setLayout(new BorderLayout());
        getContentPane().add(builder.getPanel(), BorderLayout.CENTER);
        getContentPane().add(buttons, BorderLayout.SOUTH);
    }

    protected void initController() {
        selectButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                processSelect();
            }
        });

        cancelButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                processCancel();
            }
        });
    }

    private void processSelect() {
        choice = SELECT;
        setVisible(false);
    }

    private void processCancel() {
        schemaSelector.setSelectedItem(null);
        choice = CANCEL;
        setVisible(false);
    }

    protected void initFromModel(Collection<String> schemas, String dbUserName) {

        this.choice = CANCEL;

        schemaSelector.setVisible(true);
        schemaLabel.setVisible(true);
        schemaSelector.setModel(new DefaultComboBoxModel(schemas.toArray(new String[] {})));

        // select schema belonging to the user
        if (dbUserName != null) {
            for (String schema : schemas) {
                if (dbUserName.equalsIgnoreCase(schema)) {
                    schemaSelector.setSelectedItem(schema);
                    break;
                }
            }
        }
    }

    /**
     * Returns selected schema.
     */
    public String getSelectedSchema() {
        return (String) schemaSelector.getSelectedItem();
    }

    public int getChoice() {
        return choice;
    }

    public void showDialog() {
        setVisible(true);
    }
}