import java.awt.Component;
import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JScrollPane;
import javax.swing.DefaultCellEditor;
import javax.swing.event.ChangeEvent;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.TableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
public class WhoFirstTest
{
public static void main( String[]args )
{
final Object[][] data=new Object[][]{ { "11", new Integer( 1 ) }, { "22", new Integer( 2 ) } };
final String[] header=new String[]{ "表头1", "表头2" };
Table table=new Table( new BaseModel( data, header ) );
JTextField editor=new JTextField();
editor.setBorder( null );
table.setDefaultEditor( Object.class, new BaseEditor( editor ) );
table.setDefaultRenderer( Object.class, new BaseRenderer() );
table.getModel().addTableModelListener( new TableModelListener()
{
public void tableChanged( TableModelEvent e )
{
System.out.println( "tableChanged called" );
/*/
System.out.println( "FirstRow="+e.getFirstRow() );
System.out.println( "LastRow="+e.getLastRow() );
System.out.println( "Column="+e.getColumn() );
System.out.println( "Type="+( ( e.getType()==TableModelEvent.INSERT ) ? "Insert" : ( e.getType()==TableModelEvent.UPDATE ) ? "Update" : ( e.getType()==TableModelEvent.DELETE ) ? "Delete" : "Unknow" ) );
/*/
//Do CRUD for DB ...
//*/
}
} );
JFrame frame=new JFrame( "看看给单元格赋值的顺序" );
frame.setContentPane( new JScrollPane( table ) );
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.pack();
frame.setVisible( true );
}
}
class Table extends JTable
{
public Table( TableModel model )
{
super( model );
}
public void editingStopped( ChangeEvent e )
{
System.out.println( "editingStopped called" );
super.editingStopped( e );
}
public Component prepareRenderer( TableCellRenderer renderer, int row, int column )
{
System.out.println( "prepareRenderer called" );
return super.prepareRenderer( renderer, row, column );
}
}
class BaseModel extends AbstractTableModel
{
Object[][] data = null;
Object[] header = null;
public BaseModel( Object[][] data, Object[] header )
{
this.data = data;
this.header = header;
}
public String getColumnName( int column )
{
return header[column].toString();
}
public int getRowCount()
{
return data.length;
}
public int getColumnCount()
{
return header.length;
}
public Object getValueAt( int row, int col )
{
return data[row][col];
}
public boolean isCellEditable( int row, int column )
{
return true;
}
public void setValueAt( Object value, int row, int col )
{
System.out.println( "setValueAt called" );
data[row][col]=value;
fireTableCellUpdated( row, col );
}
public void fireTableCellUpdated( int row, int column )
{
super.fireTableCellUpdated( row, column );
System.out.println( "fireTableCellUpdated called" );
}
public void fireTableChanged( TableModelEvent e )
{
super.fireTableChanged( e );
System.out.println( "fireTableChanged called" );
}
}
class BaseRenderer extends DefaultTableCellRenderer
{
public BaseRenderer()
{
super();
}
public Component getTableCellRendererComponent( JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row,
int column )
{
System.out.println( "BaseRenderer called" );
setText( ( value==null ) ? "" : value.toString() );
return this;
}
}
class BaseEditor extends DefaultCellEditor
{
public BaseEditor( JTextField editor )
{
super( editor );
}
public boolean stopCellEditing()
{
System.out.println( "stopCellEditing called" );
String value=(String)getCellEditorValue();
try{ Integer.parseInt( value );
}
catch( NumberFormatException e )
{
this.editorComponent.requestFocus();
return false;
}
return super.stopCellEditing();
}
}
posted on 2007-07-03 04:14
NeedJava 阅读(1141)
评论(0) 编辑 收藏 所属分类:
Java