RenameDialog.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.scplugin.ui.project;

import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.util.Collection;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.Document;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.framework.ui.dialog.AbstractValidatingDialog;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.DocumentAdapter;


public class RenameDialog extends AbstractValidatingDialog {

    private JTextField nameTextField;
    private final Collection sessionNames;
    private final PropertyValueModel stringHolder;

//       ************ constructors / initialization ****************

    public RenameDialog( WorkbenchContext context, PropertyValueModel stringHolder, Collection sessionNames) {
            super(context);
            this.stringHolder = stringHolder;
            this.sessionNames = sessionNames;
    }

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

    private Document buildNameDocumentAdapter() {
        return new DocumentAdapter(stringHolder);
    }

    protected Component buildMainPanel() {
        GridBagConstraints constraints = new GridBagConstraints();
        setTitle( resourceRepository().getString( "RENAME_DIALOG_TITLE"));

        // Create the container
        JPanel panel = new JPanel(new GridBagLayout());

        // Name label
        JLabel nameLabel = new JLabel(resourceRepository().getString("SESSION_NAME_LABEL"));
        nameLabel.setDisplayedMnemonic(resourceRepository().getMnemonic("SESSION_NAME_LABEL"));
        nameLabel.setDisplayedMnemonicIndex(resourceRepository().getMnemonicIndex("SESSION_NAME_LABEL"));

        constraints.gridx      = 0;
        constraints.gridy      = 0;
        constraints.gridwidth  = 1;
        constraints.gridheight = 1;
        constraints.weightx    = 0;
        constraints.weighty    = 0;
        constraints.fill       = GridBagConstraints.NONE;
        constraints.anchor     = GridBagConstraints.LINE_START;
        constraints.insets     = new Insets(0, 0, 0, 0);

        panel.add(nameLabel, constraints);

        // Name text field
        nameTextField = new JTextField(buildNameDocumentAdapter(), null, 20);

        constraints.gridx      = 1;
        constraints.gridy      = 0;
        constraints.gridwidth  = 1;
        constraints.gridheight = 1;
        constraints.weightx    = 1;
        constraints.weighty    = 0;
        constraints.fill       = GridBagConstraints.HORIZONTAL;
        constraints.anchor     = GridBagConstraints.CENTER;
        constraints.insets     = new Insets(0, 5, 0, 0);

        panel.add(nameTextField, constraints);
        nameLabel.setLabelFor(nameTextField);

        nameTextField.getDocument().addDocumentListener(
           new DocumentListener() {
               public void insertUpdate( DocumentEvent e) {
                   updateOKAction();
               }
               public void removeUpdate( DocumentEvent e) {
                   updateOKAction();
               }
               public void changedUpdate( DocumentEvent e) {
               }
           }
        );

        helpManager().addTopicID(panel, helpTopicId() + ".name");
        return panel;
    }

    protected String getNewName() {

        return nameTextField.getText().trim();
    }

    private void updateOKAction() {
        String sessionName = nameTextField.getText().trim();
        boolean valid = ( sessionName.length() > 0) &&
                             !sessionNames.contains( sessionName);

        getOKAction().setEnabled( valid);

        if( valid)
            clearErrorMessage();
        else
            setErrorMessageKey( "SESSION_CREATION_DIALOG_INVALID_NAME");
    }

//       ********** opening **********

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

    protected void prepareToShow() {

        super.prepareToShow();
        nameTextField.selectAll();
    }

    protected Component initialFocusComponent() {
        return nameTextField;
    }
}