Friday, March 6, 2009

JTable with JProgressBar and JCheckBox



package com.joshi.jprogress;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.EventObject;
import java.util.Hashtable;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.DefaultCellEditor;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JProgressBar;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.event.CellEditorListener;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;

public class TableTest extends JFrame {

class CheckBoxRenderer extends JCheckBox implements TableCellRenderer {

CheckBoxRenderer() {
setHorizontalAlignment(JLabel.CENTER);
}

public Component getTableCellRendererComponent(JTable table,
Object value, boolean isSelected, boolean hasFocus, int row,
int column) {
if (isSelected) {
setForeground(table.getSelectionForeground());
setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(table.getBackground());
}
setSelected((value != null && ((Boolean) value).booleanValue()));
return this;
}
}

Action action = new AbstractAction("CheckBox") {

public void actionPerformed(ActionEvent evt) {

JCheckBox cb = (JCheckBox) evt.getSource();

boolean isSel = cb.isSelected();
if (isSel) {
System.out.println("true");
} else {
System.out.println("false");
}
}
};

public TableTest() {
super("MultiComponent Table");

DefaultTableModel dm = new DefaultTableModel() {
public boolean isCellEditable(int row, int column) {
if (column == 0) {
return true;
}
return false;
}
};

// Table Data

JProgressBar p1 = createBar(50, "50%");
JProgressBar p2 = createBar(70, "70%");
dm.setDataVector(new Object[][] {
{ new Boolean(false), "Franky", "50%", p1 },
{ new Boolean(false), "Joe", "60%", p2 } }, new Object[] {
"CheckBox", "String", "Percentage", "Progress" });

CheckBoxRenderer checkBoxRenderer = new CheckBoxRenderer();
EachRowRenderer rowRenderer = new EachRowRenderer();

rowRenderer.add(0, checkBoxRenderer);
rowRenderer.add(1, checkBoxRenderer);

JCheckBox checkBox = new JCheckBox(action);
checkBox.setHorizontalAlignment(JLabel.CENTER);

DefaultCellEditor checkBoxEditor = new DefaultCellEditor(checkBox);
JTable table = new JTable(dm);

EachRowEditor rowEditor = new EachRowEditor(table);

rowEditor.setEditorAt(0, checkBoxEditor);
rowEditor.setEditorAt(1, checkBoxEditor);

table.getColumn("CheckBox").setCellRenderer(rowRenderer);
table.getColumn("CheckBox").setCellEditor(rowEditor);

JScrollPane scroll = new JScrollPane(table);
getContentPane().add(scroll);
setSize(400, 160);
setVisible(true);

System.out.println(dm.getValueAt(0, 3));
table.getColumn("Progress").setCellRenderer(new ProgRenderer());
try {
for (int row = 0; row < dm.getRowCount(); row++) {
JProgressBar jp = (JProgressBar) dm.getValueAt(row, 3);
for (int i = 0; i <= 100; i++) {
jp.setValue(i);
jp.setString(i + "%");
// p1.set
Thread.sleep(100);
table.repaint();
}
}
} catch (Exception e) {
e.printStackTrace();
}

}

public static void main(String[] args) {
TableTest frame = new TableTest();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}

public JProgressBar createBar(int percentDone, String text) {
JProgressBar progressBar = new JProgressBar(0, 100);

progressBar.setStringPainted(true);
progressBar.setValue(percentDone);
progressBar.setString(text);

return progressBar;
}
}

class ProgRenderer implements TableCellRenderer {
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
return (JProgressBar) value;
}

}

class EachRowRenderer implements TableCellRenderer {
protected Hashtable renderers;

protected TableCellRenderer renderer, defaultRenderer;

public EachRowRenderer() {
renderers = new Hashtable();
defaultRenderer = new DefaultTableCellRenderer();
}

public void add(int row, TableCellRenderer renderer) {
renderers.put(new Integer(row), renderer);
}

public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {

renderer = (TableCellRenderer) renderers.get(new Integer(row));
if (renderer == null) {
renderer = defaultRenderer;
}
return renderer.getTableCellRendererComponent(table, value, isSelected,
hasFocus, row, column);
}
}

class EachRowEditor implements TableCellEditor {
protected Hashtable editors;

protected TableCellEditor editor, defaultEditor;

JTable table;

public EachRowEditor(JTable table) {
this.table = table;
editors = new Hashtable();
defaultEditor = new DefaultCellEditor(new JTextField());
}

public void setEditorAt(int row, TableCellEditor editor) {
editors.put(new Integer(row), editor);
}

public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
// editor = (TableCellEditor)editors.get(new Integer(row));
// if (editor == null) {
// editor = defaultEditor;
// }
return editor.getTableCellEditorComponent(table, value, isSelected,
row, column);
}

public Object getCellEditorValue() {
return editor.getCellEditorValue();
}

public boolean stopCellEditing() {
return editor.stopCellEditing();
}

public void cancelCellEditing() {
editor.cancelCellEditing();
}

public boolean isCellEditable(EventObject anEvent) {
selectEditor((MouseEvent) anEvent);
return editor.isCellEditable(anEvent);
}

public void addCellEditorListener(CellEditorListener l) {
editor.addCellEditorListener(l);
}

public void removeCellEditorListener(CellEditorListener l) {
editor.removeCellEditorListener(l);
}

public boolean shouldSelectCell(EventObject anEvent) {
selectEditor((MouseEvent) anEvent);
return editor.shouldSelectCell(anEvent);
}

protected void selectEditor(MouseEvent e) {
int row;
if (e == null) {
row = table.getSelectionModel().getAnchorSelectionIndex();
} else {
row = table.rowAtPoint(e.getPoint());
}
editor = (TableCellEditor) editors.get(new Integer(row));
if (editor == null) {
editor = defaultEditor;
}
}
}


1 comment:

Unknown said...

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