AlbumEditorView.java :  » Swing-Library » jgoodies-data-binding » com » jgoodies » binding » tutorial » manager » Java Open Source

/*
 * Copyright (c) 2002-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  o Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  o Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  o Neither the name of JGoodies Karsten Lentzsch nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.jgoodies.binding.tutorial.manager;

import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.text.JTextComponent;

import com.jgoodies.binding.adapter.BasicComponentFactory;
import com.jgoodies.binding.beans.PropertyConnector;
import com.jgoodies.binding.tutorial.Album;
import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

/**
 * Builds a form to display and edit Albums. The editor components are bound
 * to the domain using BufferedValueModels returned by a PresentationModel
 * that holds a Album. This PresentationModel is the AlbumManagerModel's
 * 'albumEditorModel'. Whenever the AlbumManagerModel changes the selected Album,
 * the PresentationModel updates its bean, in this case the Album.
 *
 * @author Karsten Lentzsch
 * @version $Revision: 1.7 $
 *
 * @see AlbumManagerModel
 * @see com.jgoodies.binding.tutorial.AlbumPresentationModel
 * @see BufferedAlbumPresentationModel
 * @see com.jgoodies.binding.PresentationModel
 */

public final class AlbumEditorView {

    /**
     * Holds the edited Album and vends ValueModels that adapt Album properties.
     */
    private final BufferedAlbumPresentationModel presentationModel;

    private JTextComponent titleField;
    private JTextComponent artistField;
    private JCheckBox      classicalBox;
    private JTextComponent composerField;


    // Instance Creation ******************************************************

    /**
     * Constructs an AlbumEditorView for the given Album PresentationModel.
     *
     * @param albumPresentationModel provides the adapting ValueModels
     */
    public AlbumEditorView(BufferedAlbumPresentationModel albumPresentationModel) {
        this.presentationModel = albumPresentationModel;
    }


    // Initialization *********************************************************

    /**
     *  Creates and intializes the UI components.
     */
    private void initComponents() {
        titleField = BasicComponentFactory.createTextField(
                presentationModel.getBufferedModel(Album.PROPERTYNAME_TITLE));
        artistField = BasicComponentFactory.createTextField(
                presentationModel.getBufferedModel(Album.PROPERTYNAME_ARTIST));
        classicalBox = BasicComponentFactory.createCheckBox(
                presentationModel.getBufferedModel(Album.PROPERTYNAME_CLASSICAL),
                "Classical");
        composerField = BasicComponentFactory.createTextField(
                presentationModel.getBufferedModel(Album.PROPERTYNAME_COMPOSER));
    }


    /**
     * Observes the presentation model's <em>bufferedComposerEnabled</em>
     * property to update the composer field's enablement.
     * Also, initializes the field's enablement with the current value
     * of the buffered composer enabled property.
     */
    private void initEventHandling() {
        PropertyConnector connector = PropertyConnector.connect(
                presentationModel,
                BufferedAlbumPresentationModel.PROPERTYNAME_BUFFERED_COMPOSER_ENABLED,
                composerField,
                "enabled");
        connector.updateProperty2();
    }


    // Building ***************************************************************

    /**
     * Builds and returns the editor panel.
     *
     * @return the built panel
     */
    public JComponent buildPanel() {
        initComponents();
        initEventHandling();

        FormLayout layout = new FormLayout(
                "right:pref, 3dlu, 150dlu:grow",
                "p, 3dlu, p, 3dlu, p, 3dlu, p");
        layout.setRowGroups(new int[][]{{1, 3, 5, 7}});

        PanelBuilder builder = new PanelBuilder(layout);
        CellConstraints cc = new CellConstraints();

        builder.addLabel("Artist",   cc.xy(1, 1));
        builder.add(artistField,     cc.xy(3, 1));
        builder.addLabel("Title",    cc.xy(1, 3));
        builder.add(titleField,      cc.xy(3, 3));
        builder.add(classicalBox,    cc.xy(3, 5));
        builder.addLabel("Composer", cc.xy(1, 7));
        builder.add(composerField,   cc.xy(3, 7));

        return builder.getPanel();
    }


}