в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

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2010-05-31T14:19:46Z

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== extends AbstractCellEditor ==



<source lang="java">
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.ruponent;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractCellEditor;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListCellRenderer;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;
public class MainClass {
public static void main(String args[]) {
JFrame frame = new JFrame("Editable Color Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
TableModel model = new ColorTableModel();
JTable table = new JTable(model);
TableColumn column = table.getColumnModel().getColumn(2);
ComboTableCellRenderer renderer = new ComboTableCellRenderer();
column.setCellRenderer(renderer);
TableCellEditor editor = new ColorChooserEditor();
column.setCellEditor(editor);
JScrollPane scrollPane = new JScrollPane(table);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(400, 150);
frame.setVisible(true);
}
}
class ColorChooserEditor extends AbstractCellEditor implements TableCellEditor {
private JButton delegate = new JButton();
Color savedColor;
public ColorChooserEditor() {
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
Color color = JColorChooser.showDialog(delegate, "Color Chooser", savedColor);
ColorChooserEditor.this.changeColor(color);
}
};
delegate.addActionListener(actionListener);
}
public Object getCellEditorValue() {
return savedColor;
}
private void changeColor(Color color) {
if (color != null) {
savedColor = color;
}
}
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected,
int row, int column) {
changeColor((Color) value);
return delegate;
}
}
class ComboTableCellRenderer implements TableCellRenderer {
DefaultListCellRenderer listRenderer = new DefaultListCellRenderer();
DefaultTableCellRenderer tableRenderer = new DefaultTableCellRenderer();
private void configureRenderer(JLabel renderer, Object value) {
renderer.setBackground((Color)value);
}

public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
tableRenderer = (DefaultTableCellRenderer) tableRenderer.getTableCellRendererComponent(table,
value, isSelected, hasFocus, row, column);
configureRenderer(tableRenderer, value);
return tableRenderer;
}
}
class ColorTableModel extends AbstractTableModel {
Object rowData[][] = { { "1", Boolean.TRUE, Color.RED },
{ "2", Boolean.TRUE, Color.BLUE },
{ "3", Boolean.FALSE, Color.GREEN },
{ "4", Boolean.TRUE, Color.MAGENTA },
{ "5", Boolean.FALSE, Color.PINK }, };
String columnNames[] = { "Number", "Boolean", "Color" };
public int getColumnCount() {
return columnNames.length;
}
public String getColumnName(int column) {
return columnNames[column];
}
public int getRowCount() {
return rowData.length;
}
public Object getValueAt(int row, int column) {
return rowData[row][column];
}
public Class getColumnClass(int column) {
return (getValueAt(0, column).getClass());
}
public void setValueAt(Object value, int row, int column) {
rowData[row][column] = value;
}
public boolean isCellEditable(int row, int column) {
return (column != 0);
}
}

</source>

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Java by API/javax.swing/AbstractCellEditor - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия