com.siemens.ct.mp3m.ui.wizards.AlbumRenamePage.java Source code

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Here is the source code for com.siemens.ct.mp3m.ui.wizards.AlbumRenamePage.java

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/*******************************************************************************
 * Copyright (c) 2009 Siemens AG
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Kai Tdter - initial API and implementation
 *******************************************************************************/

package com.siemens.ct.mp3m.ui.wizards;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

/**
 * A wizard page for renaming an album.
 * 
 * @author Kai Toedter
 * @author $LastChangedBy: toedter_k $
 * @version $LastChangedDate: 2009-01-07 14:13:52 +0100 (Mi, 07 Jan 2009) $
 * @version $LastChangedRevision: 771 $
 * 
 */
public class AlbumRenamePage extends WizardPage implements KeyListener {

    private Status albumError = new Status(IStatus.ERROR, "not_used", 0, //$NON-NLS-1$
            Messages.getString("AlbumRenamePage.albumError"), null); //$NON-NLS-1$

    private IStatus ok = new Status(IStatus.OK, "not_used", 0, Messages.getString("AlbumRenamePage.description"),
            null);

    private AlbumWizardModel model;
    private StringFieldEditor artist;
    private StringFieldEditor oldName;
    private StringFieldEditor newName;

    public AlbumRenamePage(AlbumWizardModel model) {
        super("");
        this.model = model;
        setTitle(Messages.getString("AlbumRenamePage.title")); //$NON-NLS-1$
        setDescription(Messages.getString("AlbumRenamePage.description")); //$NON-NLS-1$
    }

    public void createControl(Composite parent) {
        // create the composite to hold the widgets
        Composite composite = new Composite(parent, SWT.NONE);

        // create the desired layout for this wizard page
        GridLayout gl = new GridLayout(2, false);
        composite.setLayout(gl);

        // artist
        artist = new StringFieldEditor("Artist", Messages.getString("AlbumRenamePage.artist"), composite);//$NON-NLS-1$
        artist.setEnabled(false, composite);
        // old name
        oldName = new StringFieldEditor("Old Name", Messages.getString("AlbumRenamePage.oldName"), composite);//$NON-NLS-1$
        oldName.setEnabled(false, composite);
        // new name
        newName = new StringFieldEditor("New Name", Messages.getString("AlbumRenamePage.newName"), composite);//$NON-NLS-1$
        newName.getTextControl(composite).addKeyListener(this);

        // set the composite as the control for this page
        setControl(composite);

    }

    @Override
    public void setVisible(boolean visible) {
        artist.setStringValue(model.getArtist());
        oldName.setStringValue(model.getOldName());
        super.setVisible(visible);
    }

    public IStatus checkStatus(boolean applyToStatusline) {
        IStatus status = ok;
        String name = newName.getStringValue();
        if (name.length() == 0 || name.equals(model.getOldName()))
            status = albumError;
        if (applyToStatusline)
            StatusUtil.applyToStatusLine(this, status);

        return status;
    }

    public boolean canFlipToNextPage() {
        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.swt.events.KeyListener#keyPressed(org.eclipse.swt.events.KeyEvent)
     */
    public void keyPressed(KeyEvent e) {
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.swt.events.KeyListener#keyReleased(org.eclipse.swt.events.KeyEvent)
     */
    public void keyReleased(KeyEvent e) {
        model.setNewName(newName.getStringValue());
        checkStatus(true);
        getWizard().getContainer().updateButtons();
    }

}