Java/Swing Components/Data Binding Value Types

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Demonstrates how to bind different value types to Swing components

   <source lang="java">

/* 

* Copyright (c) 2002-2005 JGoodies Karsten Lentzsch. All Rights Reserved.
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package com.jgoodies.binding.tutorial.basics; import java.text.NumberFormat; import java.util.Date; import java.util.GregorianCalendar; import javax.swing.*; import com.jgoodies.binding.PresentationModel; import com.jgoodies.binding.adapter.BasicComponentFactory; import com.jgoodies.binding.adapter.BoundedRangeAdapter; import com.jgoodies.binding.adapter.ruboBoxAdapter; import com.jgoodies.binding.adapter.SingleListSelectionAdapter; import com.jgoodies.binding.beans.Model; import com.jgoodies.binding.extras.SpinnerAdapterFactory; import com.jgoodies.binding.list.ArrayListModel; import com.jgoodies.binding.list.ObservableList; 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.binding.value.ValueHolder; import com.jgoodies.binding.value.ValueModel; import com.jgoodies.forms.builder.PanelBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.ColumnSpec; import com.jgoodies.forms.layout.FormLayout; /** 

* Demonstrates how to bind different value types to Swing components.
* 
* @author Karsten Lentzsch
* @version $Revision: 1.7 $
* 
* @see com.jgoodies.binding.adapter.BasicComponentFactory
* @see com.jgoodies.binding.adapter.Bindings
*/

public class ComponentsExample { 

   // Holds an ExampleBean and vends ValueModels that adapt its properties.
   private final ExamplePresentationModel presentationModel;
   // Text Components
   private JTextField     textField;
   private JTextArea      textArea;
   private JPasswordField passwordField;
   private JLabel         textLabel;
   // Formatted Input
   private JFormattedTextField dateField;
   private JFormattedTextField integerField;
   private JFormattedTextField longField;
   // Lists
   private JComboBox comboBox;
   private JList     list;
   private JTable    table;
   // Choice
   private JRadioButton leftIntRadio;
   private JRadioButton centerIntRadio;
   private JRadioButton rightIntRadio;
   private JComboBox    alignmentIntCombo;
   private JRadioButton leftObjectRadio;
   private JRadioButton centerObjectRadio;
   private JRadioButton rightObjectRadio;
   private JComboBox    alignmentObjectCombo;
   // Misc
   private JCheckBox checkBox;
   private JSlider   slider;
   private JLabel    floatLabel;
   private JSpinner  spinner;
   
   // 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 :: Components");
       frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
       ComponentsExample example = new ComponentsExample();
       JComponent panel = example.build();
       frame.getContentPane().add(panel);
       frame.pack();
       TutorialUtils.locateOnScreenCenter(frame);
       frame.setVisible(true);
   }
   
   // Instance Creation ******************************************************
   /**
    * Constructs the "Components" example on an instance of ExampleBean.
    */
   public ComponentsExample() {
       presentationModel = new ExamplePresentationModel(new ExampleBean());
   }
   
   // Component Creation and Initialization **********************************
   /**
* Creates, binds and configures the UI components.

* * If possible, the components are created using the BasicComponentFactory, * or the Bindings class. */ private void initComponents() { // Text Components textField = BasicComponentFactory.createTextField( presentationModel.getModel(ExampleBean.PROPERTYNAME_TEXT)); textArea = BasicComponentFactory.createTextArea( presentationModel.getModel(ExampleBean.PROPERTYNAME_TEXT)); passwordField = BasicComponentFactory.createPasswordField( presentationModel.getModel(ExampleBean.PROPERTYNAME_TEXT)); textLabel = BasicComponentFactory.createLabel(presentationModel .getModel(ExampleBean.PROPERTYNAME_TEXT)); // Formatted Input dateField = BasicComponentFactory.createDateField( presentationModel.getModel(ExampleBean.PROPERTYNAME_DATE)); integerField = BasicComponentFactory.createIntegerField( presentationModel.getModel(ExampleBean.PROPERTYNAME_INT_VALUE)); longField = BasicComponentFactory.createLongField( presentationModel.getModel(ExampleBean.PROPERTYNAME_LONG_VALUE)); // Choice ValueModel intChoiceModel = presentationModel.getModel(ExampleBean.PROPERTYNAME_INT_CHOICE); leftIntRadio = BasicComponentFactory.createRadioButton( intChoiceModel, ExampleBean.LEFT_INTEGER, "Left"); centerIntRadio = BasicComponentFactory.createRadioButton( intChoiceModel, ExampleBean.CENTER_INTEGER, "Center"); rightIntRadio = BasicComponentFactory.createRadioButton( intChoiceModel, ExampleBean.RIGHT_INTEGER, "Right"); alignmentIntCombo = new JComboBox(); alignmentIntCombo.setModel( new ComboBoxAdapter(ExampleBean.INTEGER_CHOICES, intChoiceModel)); ValueModel objectChoiceModel = presentationModel.getModel(ExampleBean.PROPERTYNAME_OBJECT_CHOICE); leftObjectRadio = BasicComponentFactory.createRadioButton( objectChoiceModel, ExampleBean.LEFT, "Left"); centerObjectRadio = BasicComponentFactory.createRadioButton( objectChoiceModel, ExampleBean.CENTER, "Center"); rightObjectRadio = BasicComponentFactory.createRadioButton( objectChoiceModel, ExampleBean.RIGHT, "Right"); alignmentObjectCombo = new JComboBox(); alignmentObjectCombo.setModel( new ComboBoxAdapter(ExampleBean.OBJECT_CHOICES, objectChoiceModel)); // Lists comboBox = BasicComponentFactory.createComboBox( presentationModel.getSelectionInList(), TutorialUtils.createAlbumListCellRenderer()); list = BasicComponentFactory.createList( presentationModel.getSelectionInList(), TutorialUtils.createAlbumListCellRenderer()); table = new JTable(); table.setModel(TutorialUtils.createAlbumTableModel( presentationModel.getSelectionInList())); table.setSelectionModel(new SingleListSelectionAdapter( presentationModel.getSelectionInList().getSelectionIndexHolder())); // Misc checkBox = BasicComponentFactory.createCheckBox( presentationModel.getModel(ExampleBean.PROPERTYNAME_BOOLEAN_VALUE), "available"); ValueModel floatModel = presentationModel.getModel(ExampleBean.PROPERTYNAME_FLOAT_VALUE); slider = new JSlider(); slider.setModel(new BoundedRangeAdapter( ConverterFactory.createFloatToIntegerConverter(floatModel, 100), 0, 0, 100)); floatLabel = BasicComponentFactory.createLabel( ConverterFactory.createStringConverter( floatModel, NumberFormat.getPercentInstance())); spinner = new JSpinner(); spinner.setModel(SpinnerAdapterFactory.createNumberAdapter( presentationModel.getModel(ExampleBean.PROPERTYNAME_INT_LIMITED), 0, 100, 5)); } // Building *************************************************************** /** * Builds the pane. * * @return the built panel */ public JComponent build() { initComponents(); JTabbedPane tabbedPane = new JTabbedPane(); tabbedPane.putClientProperty("jgoodies.noContentBorder", Boolean.TRUE); tabbedPane.addTab("Text", buildTextPanel()); tabbedPane.addTab("Formatted", buildFormattedPanel()); tabbedPane.addTab("Choices", buildChoicesPanel()); tabbedPane.addTab("List", buildListPanel()); tabbedPane.addTab("Misc", buildMiscPanel()); return tabbedPane; } private JPanel buildTextPanel() { FormLayout layout = new FormLayout( "right:max(50dlu;pref), 3dlu, 50dlu", "p, 3dlu, p, 3dlu, p, 14dlu, 3dlu, p"); layout.setRowGroups(new int[][]Шаблон:1, 3, 5); PanelBuilder builder = new PanelBuilder(layout); builder.setDefaultDialogBorder(); CellConstraints cc = new CellConstraints(); builder.addLabel("JTextField", cc.xy (1, 1)); builder.add(textField, cc.xy (3, 1)); builder.addLabel("JPasswordField", cc.xy (1, 3)); builder.add(passwordField, cc.xy (3, 3)); builder.addLabel("JTextArea", cc.xy (1, 5)); builder.add(new JScrollPane(textArea), cc.xywh(3, 5, 1, 2)); builder.addLabel("JLabel", cc.xy (1, 8)); builder.add(textLabel, cc.xy (3, 8)); return builder.getPanel(); } private JPanel buildFormattedPanel() { FormLayout layout = new FormLayout( "right:max(50dlu;pref), 3dlu, 50dlu", "p, 3dlu, p, 3dlu, p"); PanelBuilder builder = new PanelBuilder(layout); builder.setDefaultDialogBorder(); CellConstraints cc = new CellConstraints(); builder.addLabel("Date", cc.xy(1, 1)); builder.add(dateField, cc.xy(3, 1)); builder.addLabel("Integer", cc.xy(1, 3)); builder.add(integerField, cc.xy(3, 3)); builder.addLabel("Long", cc.xy(1, 5)); builder.add(longField, cc.xy(3, 5)); return builder.getPanel(); } private JPanel buildChoicesPanel() { FormLayout layout = new FormLayout( "right:max(50dlu;pref), 3dlu, p, 6dlu, p, 6dlu, p, 0:grow", "p, 3dlu, p, 3dlu, p, 9dlu, p, 3dlu, p, 3dlu, p"); PanelBuilder builder = new PanelBuilder(layout); builder.setDefaultDialogBorder(); CellConstraints cc = new CellConstraints(); builder.addSeparator("Integer Choice", cc.xyw(1, 1, 8)); builder.addLabel("JRadioButton", cc.xy (1, 3)); builder.add(leftIntRadio, cc.xy (3, 3)); builder.add(centerIntRadio, cc.xy (5, 3)); builder.add(rightIntRadio, cc.xy (7, 3)); builder.addLabel("JComboBox", cc.xy (1, 5)); builder.add(alignmentIntCombo, cc.xyw(3, 5, 3)); builder.addSeparator("Object Choice", cc.xyw(1, 7, 8)); builder.addLabel("JRadioButton", cc.xy (1, 9)); builder.add(leftObjectRadio, cc.xy (3, 9)); builder.add(centerObjectRadio, cc.xy (5, 9)); builder.add(rightObjectRadio, cc.xy (7, 9)); builder.addLabel("JComboBox", cc.xy (1, 11)); builder.add(alignmentObjectCombo, cc.xyw(3, 11, 3)); return builder.getPanel(); } private JPanel buildListPanel() { FormLayout layout = new FormLayout( "right:max(50dlu;pref), 3dlu, 150dlu", "fill:60dlu, 6dlu, fill:60dlu, 6dlu, p"); PanelBuilder builder = new PanelBuilder(layout); builder.setDefaultDialogBorder(); CellConstraints cc = new CellConstraints(); builder.addLabel("JList", cc.xy(1, 1, "right, top")); builder.add(new JScrollPane(list), cc.xy(3, 1)); builder.addLabel("JTable", cc.xy(1, 3, "right, top")); builder.add(new JScrollPane(table), cc.xy(3, 3)); builder.addLabel("JComboBox", cc.xy(1, 5)); builder.add(comboBox, cc.xy(3, 5)); return builder.getPanel(); } private JPanel buildMiscPanel() { FormLayout layout = new FormLayout( "right:max(50dlu;pref), 3dlu, 50dlu, 9dlu, 50dlu", "p, 3dlu, p, 3dlu, p"); layout.setRowGroups(new int[][]Шаблон:1, 3, 5); PanelBuilder builder = new PanelBuilder(layout); builder.setDefaultDialogBorder(); CellConstraints cc = new CellConstraints(); builder.addLabel("JCheckBox", cc.xy(1, 1)); builder.add(checkBox, cc.xy(3, 1)); builder.addLabel("JSlider", cc.xy(1, 3)); builder.add(slider, cc.xy(3, 3)); builder.add(floatLabel, cc.xy(5, 3)); builder.addLabel("JSpinner", cc.xy(1, 5)); builder.add(spinner, cc.xy(3, 5)); return builder.getPanel(); } // Helper Code ************************************************************ public static final class ExampleBean extends Model { // Names of the Bound Bean Properties ************************************* public static final String PROPERTYNAME_BOOLEAN_VALUE = "booleanValue"; public static final String PROPERTYNAME_DATE = "date"; public static final String PROPERTYNAME_FLOAT_VALUE = "floatValue"; public static final String PROPERTYNAME_INT_CHOICE = "intChoice"; public static final String PROPERTYNAME_INT_LIMITED = "intLimited"; public static final String PROPERTYNAME_INT_VALUE = "intValue"; public static final String PROPERTYNAME_LIST_SELECTION = "listSelection"; public static final String PROPERTYNAME_LONG_VALUE = "longValue"; public static final String PROPERTYNAME_OBJECT_CHOICE = "objectChoice"; public static final String PROPERTYNAME_TEXT = "text"; // Constants ************************************************************** // An int based enumeration. public static final Integer LEFT_INTEGER = new Integer(0); public static final Integer CENTER_INTEGER = new Integer(1); public static final Integer RIGHT_INTEGER = new Integer(2); static final Integer[] INTEGER_CHOICES = { LEFT_INTEGER, CENTER_INTEGER, RIGHT_INTEGER }; // An object based enumeration (using an enum from the JGoodies Forms) public static final Object LEFT = ColumnSpec.LEFT; public static final Object CENTER = ColumnSpec.CENTER; public static final Object RIGHT = ColumnSpec.RIGHT; static final Object[] OBJECT_CHOICES = { LEFT, CENTER, RIGHT }; private static final int NO_DATE = -1; // Fields ***************************************************************** private boolean booleanValue; private long date; private float floatValue; private int intChoice; private int intLimited; // for a spinner private int intValue; private long longValue; private Object objectChoice; private String text; private ObservableList listModel; private Object listSelection; // Instance Creation ****************************************************** public ExampleBean() { booleanValue = true; date = new GregorianCalendar(1967, 11, 5).getTime().getTime(); floatValue = 0.5f; intChoice = LEFT_INTEGER.intValue(); intLimited = 15; intValue = 42; longValue = 42L; objectChoice = LEFT; text = "Text"; listModel = new ArrayListModel(); listModel.addAll(Album.ALBUMS); listSelection = listModel.get(0); } // Accessors ************************************************************** public boolean getBooleanValue() { return booleanValue; } public void setBooleanValue(boolean newBooleanValue) { boolean oldBooleanValue = getBooleanValue(); booleanValue = newBooleanValue; firePropertyChange(PROPERTYNAME_BOOLEAN_VALUE, oldBooleanValue, newBooleanValue); } public Date getDate() { return date == NO_DATE ? null : new Date(date); } public void setDate(Date newDate) { Date oldDate = getDate(); date = newDate == null ? NO_DATE : newDate.getTime(); firePropertyChange(PROPERTYNAME_DATE, oldDate, newDate); } public float getFloatValue() { return floatValue; } public void setFloatValue(float newFloatValue) { float oldFloatValue = getFloatValue(); floatValue = newFloatValue; firePropertyChange(PROPERTYNAME_FLOAT_VALUE, oldFloatValue, newFloatValue); } public int getIntChoice() { return intChoice; } public void setIntChoice(int newIntChoice) { int oldIntChoice = getIntChoice(); intChoice = newIntChoice; firePropertyChange(PROPERTYNAME_INT_CHOICE, oldIntChoice, newIntChoice); } public int getIntLimited() { return intLimited; } public void setIntLimited(int newIntLimited) { int oldIntLimited = getIntLimited(); intLimited = newIntLimited; firePropertyChange(PROPERTYNAME_INT_LIMITED, oldIntLimited, newIntLimited); } public int getIntValue() { return intValue; } public void setIntValue(int newIntValue) { int oldIntValue = getIntValue(); intValue = newIntValue; firePropertyChange(PROPERTYNAME_INT_VALUE, oldIntValue, newIntValue); } public long getLongValue() { return longValue; } public void setLongValue(long newLongValue) { long oldLongValue = getLongValue(); longValue = newLongValue; firePropertyChange(PROPERTYNAME_LONG_VALUE, oldLongValue, newLongValue); } public Object getObjectChoice() { return objectChoice; } public void setObjectChoice(Object newObjectChoice) { Object oldObjectChoice = getObjectChoice(); objectChoice = newObjectChoice; firePropertyChange(PROPERTYNAME_OBJECT_CHOICE, oldObjectChoice, newObjectChoice); } public String getText() { return text; } public void setText(String newText) { String oldText = getText(); text = newText; firePropertyChange(PROPERTYNAME_TEXT, oldText, newText); } public ListModel getListModel() { return listModel; } public Object getListSelection() { return listSelection; } public void setListSelection(Object newListSelection) { Object oldListSelection = getListSelection(); listSelection = newListSelection; firePropertyChange(PROPERTYNAME_LIST_SELECTION, oldListSelection, newListSelection); } } // A custom PresentationModel that provides a SelectionInList // for the bean"s ListModel and the bean"s list selection. private static final class ExamplePresentationModel extends PresentationModel { /** * Holds the bean"s list model plus a selection. */ private final SelectionInList selectionInList; // Instance Creation ----------------------------------------- private ExamplePresentationModel(ExampleBean exampleBean) { super(exampleBean); selectionInList = new SelectionInList( new ValueHolder(exampleBean.getListModel()), getModel(ExampleBean.PROPERTYNAME_LIST_SELECTION)); } // Custom Models --------------------------------------------- public SelectionInList getSelectionInList() { return selectionInList; } } } </source>

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