How to connect a master list with a bound details view : Data Binding Master Slave « Swing Components « Java
How to connect a master list with a bound details view
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* Copyright (c) 2002-2005 JGoodies Karsten Lentzsch. All Rights Reserved.
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package com.jgoodies.binding.tutorial.basics;
import java.util.List;
import javax.swing.*;
import javax.swing.text.JTextComponent;
import com.jgoodies.binding.PresentationModel;
import com.jgoodies.binding.adapter.BasicComponentFactory;
import com.jgoodies.binding.list.SelectionInList;
import com.jgoodies.binding.tutorial.Album;
import com.jgoodies.binding.tutorial.TutorialUtils;
import com.jgoodies.binding.value.ConverterFactory;
import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.factories.ButtonBarFactory;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
/**
* Demonstrates an elegant way how to connect a master list with a bound
* details view. It builds a JList of Albums with an attached details panel
* that presents the current Album selection. The details panel's components
* are bound to the domain using ValueModels returned by a PresentationModel.<p>
*
* This example does not require a custom ListSelectionListener to handle
* selection changes in the list of Albums. Instead it uses the SelectionInList
* as bean channel for the details PresentationModel. And so, whenever the
* SelectionInList's selection changes, the details PresentationModel will
* automatically update the bean used to display the details.<p>
*
* In contrast, the MasterDetailsBoundExample uses a ListSelectionListener
* to handle selection changes in the Album list. This listener then sets
* the current selection as the details PresentationModel's new bean.<p>
*
* Another variant of this example is the MasterDetailsDelayedReadExample
* that deferres selection changes for a specified delay. This can be useful
* if bean changes in the details PresentationModel require time consuming
* additional operations, for example a database lookup, a heavy computation,
* or a remote access.
*
* @author Karsten Lentzsch
* @version $Revision: 1.7 $
*
* @see com.jgoodies.binding.PresentationModel
* @see com.jgoodies.binding.tutorial.basics.MasterDetailsBoundExample
* @see com.jgoodies.binding.tutorial.extras.MasterDetailsDelayedReadExample
*/
public class MasterDetailsSelectionInListExample {
/**
* Holds the list of Albums plus a single selection.
*/
private final SelectionInList albumSelection;
/**
* Holds the edited Album and vends ValueModels that adapt Album properties.
*/
private final PresentationModel detailsModel;
private JList albumsList;
private JTextComponent titleField;
private JTextComponent artistField;
private JTextComponent classicalField;
private JTextComponent composerField;
private JButton closeButton;
// Launching **************************************************************
public static void main(String[] args) {
try {
UIManager.setLookAndFeel("com.jgoodies.looks.plastic.PlasticXPLookAndFeel");
} catch (Exception e) {
// Likely PlasticXP is not in the class path; ignore.
}
JFrame frame = new JFrame();
frame.setTitle("Binding Tutorial :: Master/Details (SelectionInList)");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
JComponent panel = new MasterDetailsSelectionInListExample().build();
frame.getContentPane().add(panel);
frame.pack();
TutorialUtils.locateOnScreenCenter(frame);
frame.setVisible(true);
}
// Instance Creation ******************************************************
/**
* Constructs a list editor using a example Album list.
*/
public MasterDetailsSelectionInListExample() {
this(Album.ALBUMS);
}
/**
* Constructs a list editor for editing the given list of Albums.
*
* @param albums the list of Albums to edit
*/
public MasterDetailsSelectionInListExample(List albums) {
this.albumSelection = new SelectionInList(albums);
// The PresentationModel uses the SelectionInList as bean channel.
// In other words, the list's selection is the adapter's bean.
detailsModel = new PresentationModel(albumSelection);
// Another way to write the above is:
// detailsModel = new PresentationModel(albumSelection.getSelectionHolder(), true);
}
// Component Creation and Initialization **********************************
/**
* Creates and intializes the UI components.
*/
private void initComponents() {
albumsList = BasicComponentFactory.createList(
albumSelection,
TutorialUtils.createAlbumListCellRenderer());
titleField = BasicComponentFactory.createTextField(
detailsModel.getModel(Album.PROPERTYNAME_TITLE));
titleField.setEditable(false);
artistField = BasicComponentFactory.createTextField(
detailsModel.getModel(Album.PROPERTYNAME_ARTIST));
artistField.setEditable(false);
classicalField = BasicComponentFactory.createTextField(
ConverterFactory.createBooleanToStringConverter(
detailsModel.getModel(Album.PROPERTYNAME_CLASSICAL),
"Yes",
"No"));
classicalField.setEditable(false);
composerField = BasicComponentFactory.createTextField(
detailsModel.getModel(Album.PROPERTYNAME_COMPOSER));
composerField.setEditable(false);
closeButton = new JButton(TutorialUtils.getCloseAction());
}
// Building ***************************************************************
/**
* Builds and returns a panel that consists of
* a master list and a details form.
*
* @return the built panel
*/
public JComponent build() {
initComponents();
FormLayout layout = new FormLayout(
"right:pref, 3dlu, 150dlu:grow",
"p, 1dlu, p, 9dlu, p, 1dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 9dlu, p");
PanelBuilder builder = new PanelBuilder(layout);
builder.setDefaultDialogBorder();
CellConstraints cc = new CellConstraints();
builder.addSeparator("Albums", cc.xyw(1, 1, 3));
builder.add(new JScrollPane(
albumsList), cc.xy (3, 3));
builder.addSeparator("Details", cc.xyw(1, 5, 3));
builder.addLabel("Title", cc.xy (1, 7));
builder.add(titleField, cc.xy (3, 7));
builder.addLabel("Artist", cc.xy (1, 9));
builder.add(artistField, cc.xy (3, 9));
builder.addLabel("Classical", cc.xy (1, 11));
builder.add(classicalField, cc.xy (3, 11));
builder.addLabel("Composer", cc.xy (1, 13));
builder.add(composerField, cc.xy (3, 13));
builder.add(buildButtonBar(), cc.xyw(1, 15, 3));
return builder.getPanel();
}
private JComponent buildButtonBar() {
return ButtonBarFactory.buildRightAlignedBar(closeButton);
}
}
binding.zip( 506 k)
