import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
public class SharedModelDemo extends JPanel {
JTextArea output;
JList list;
JTable table;
String newline = "\n";
ListSelectionModel listSelectionModel;
public SharedModelDemo() {
super(new BorderLayout());
Vector data = new Vector(7);
String[] columnNames = { "French", "Spanish", "Italian" };
String[] oneData = { "un", "uno", "uno" };
String[] twoData = { "deux", "dos", "due" };
String[] threeData = { "trois", "tres", "tre" };
String[] fourData = { "quatre", "cuatro", "quattro" };
String[] fiveData = { "cinq", "cinco", "cinque" };
String[] sixData = { "six", "seis", "sei" };
String[] sevenData = { "sept", "siete", "sette" };
//Build the model.
SharedDataModel dataModel = new SharedDataModel(columnNames);
dataModel.addElement(oneData);
dataModel.addElement(twoData);
dataModel.addElement(threeData);
dataModel.addElement(fourData);
dataModel.addElement(fiveData);
dataModel.addElement(sixData);
dataModel.addElement(sevenData);
list = new JList(dataModel);
list.setCellRenderer(new DefaultListCellRenderer() {
public Component getListCellRendererComponent(JList l,
Object value,
int i,
boolean s,
boolean f) {
String[] array = (String[])value;
return super.getListCellRendererComponent(l,
array[0],
i, s, f);
}
});
listSelectionModel = list.getSelectionModel();
listSelectionModel.addListSelectionListener(
new SharedListSelectionHandler());
JScrollPane listPane = new JScrollPane(list);
table = new JTable(dataModel);
table.setSelectionModel(listSelectionModel);
JScrollPane tablePane = new JScrollPane(table);
//Build control area (use default FlowLayout).
JPanel controlPane = new JPanel();
String[] modes = { "SINGLE_SELECTION",
"SINGLE_INTERVAL_SELECTION",
"MULTIPLE_INTERVAL_SELECTION" };
final JComboBox comboBox = new JComboBox(modes);
comboBox.setSelectedIndex(2);
comboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String newMode = (String)comboBox.getSelectedItem();
if (newMode.equals("SINGLE_SELECTION")) {
listSelectionModel.setSelectionMode(
ListSelectionModel.SINGLE_SELECTION);
} else if (newMode.equals("SINGLE_INTERVAL_SELECTION")) {
listSelectionModel.setSelectionMode(
ListSelectionModel.SINGLE_INTERVAL_SELECTION);
} else {
listSelectionModel.setSelectionMode(
ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
}
output.append("----------"
+ "Mode: " + newMode
+ "----------" + newline);
}
});
controlPane.add(new JLabel("Selection mode:"));
controlPane.add(comboBox);
//Build output area.
output = new JTextArea(10, 40);
output.setEditable(false);
JScrollPane outputPane = new JScrollPane(output,
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
//Do the layout.
JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
add(splitPane, BorderLayout.CENTER);
JPanel topHalf = new JPanel();
topHalf.setLayout(new BoxLayout(topHalf, BoxLayout.X_AXIS));
JPanel listContainer = new JPanel(new GridLayout(1,1));
listContainer.setBorder(BorderFactory.createTitledBorder(
"List"));
listContainer.add(listPane);
JPanel tableContainer = new JPanel(new GridLayout(1,1));
tableContainer.setBorder(BorderFactory.createTitledBorder(
"Table"));
tableContainer.add(tablePane);
tablePane.setPreferredSize(new Dimension(300, 100));
topHalf.setBorder(BorderFactory.createEmptyBorder(5,5,0,5));
topHalf.add(listContainer);
topHalf.add(tableContainer);
topHalf.setMinimumSize(new Dimension(400, 50));
topHalf.setPreferredSize(new Dimension(400, 110));
splitPane.add(topHalf);
JPanel bottomHalf = new JPanel(new BorderLayout());
bottomHalf.add(controlPane, BorderLayout.NORTH);
bottomHalf.add(outputPane, BorderLayout.CENTER);
//XXX: next line needed if bottomHalf is a scroll pane:
//bottomHalf.setMinimumSize(new Dimension(400, 50));
bottomHalf.setPreferredSize(new Dimension(450, 135));
splitPane.add(bottomHalf);
}
public static void main(String[] args) {
JFrame frame = new JFrame("SharedModelDemo");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setContentPane(new SharedModelDemo());
frame.pack();
frame.setVisible(true);
}
class SharedListSelectionHandler implements ListSelectionListener {
public void valueChanged(ListSelectionEvent e) {
ListSelectionModel lsm = (ListSelectionModel)e.getSource();
int firstIndex = e.getFirstIndex();
int lastIndex = e.getLastIndex();
boolean isAdjusting = e.getValueIsAdjusting();
output.append("Event for indexes "
+ firstIndex + " - " + lastIndex
+ "; isAdjusting is " + isAdjusting
+ "; selected indexes:");
if (lsm.isSelectionEmpty()) {
output.append(" <none>");
} else {
// Find out which indexes are selected.
int minIndex = lsm.getMinSelectionIndex();
int maxIndex = lsm.getMaxSelectionIndex();
for (int i = minIndex; i <= maxIndex; i++) {
if (lsm.isSelectedIndex(i)) {
output.append(" " + i);
}
}
}
output.append(newline);
}
}
class SharedDataModel extends DefaultListModel
implements TableModel {
public String[] columnNames;
public SharedDataModel(String[] columnNames) {
super();
this.columnNames = columnNames;
}
public void rowChanged(int row) {
fireContentsChanged(this, row, row);
}
private TableModel tableModel = new AbstractTableModel() {
public String getColumnName(int column) {
return columnNames[column];
}
public int getRowCount() {
return size();
}
public int getColumnCount() {
return columnNames.length;
}
public Object getValueAt(int row, int column) {
String[] rowData = (String [])elementAt(row);
return rowData[column];
}
public boolean isCellEditable(int row, int column) {
return true;
}
public void setValueAt(Object value, int row, int column) {
String newValue = (String)value;
String[] rowData = (String [])elementAt(row);
rowData[column] = newValue;
fireTableCellUpdated(row, column); //table event
rowChanged(row); //list event
}
};
//Implement the TableModel interface.
public int getRowCount() {
return tableModel.getRowCount();
}
public int getColumnCount() {
return tableModel.getColumnCount();
}
public String getColumnName(int columnIndex) {
return tableModel.getColumnName(columnIndex);
}
public Class getColumnClass(int columnIndex) {
return tableModel.getColumnClass(columnIndex);
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return tableModel.isCellEditable(rowIndex, columnIndex);
}
public Object getValueAt(int rowIndex, int columnIndex) {
return tableModel.getValueAt(rowIndex, columnIndex);
}
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
tableModel.setValueAt(aValue, rowIndex, columnIndex);
}
public void addTableModelListener(TableModelListener l) {
tableModel.addTableModelListener(l);
}
public void removeTableModelListener(TableModelListener l) {
tableModel.removeTableModelListener(l);
}
}
}
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