swing jtable 行选择时加色同时鼠标滑过行时行也加色如果实现？

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swing jtable 行选择时加色同时鼠标滑过行时行也加色如果实现？0

swing jtable 行选择是加色并且鼠标滑过行时也加色如果实现？

Jtable默认已经实现了行选择加色，但我现实了鼠标滑过是时行也加色后，选择行加色就失效了，两者只能实现其一，如何才能实现选择行时加色，同时鼠标滑过行时行也加色呢，谢谢!

Swing JTable

2012年7月05日 22:50

chenfuzhao
0
0 0 5

1个答案按时间排序按投票排序

0 0

给你敲了一段，感动吧

import java.awt.Color;
import java.awt.Component;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;

/**
 * TableDemo is just like SimpleTableDemo, except that it uses a custom
 * TableModel.
 */

class MyTable extends JTable implements MouseMotionListener{

	private int mouseOnRowIndex = -1;

	public MyTable() {
		
		this.setModel(new MyTableModel());
		
		this.addMouseMotionListener(this);

		this.setDefaultRenderer(Object.class, new MyTableCellRenderer());
	}

	public void setMouseOnRowIndex(int mouseOnRowIndex) {
		this.mouseOnRowIndex = mouseOnRowIndex;
	}

	class MyTableCellRenderer extends DefaultTableCellRenderer{
		@Override
		public Component getTableCellRendererComponent(JTable table,
				Object value, boolean isSelected, boolean hasFocus,
				int row, int column) {
			if(row == MyTable.this.mouseOnRowIndex){
				setBackground(Color.YELLOW);
			}else{
				setBackground(null);
			}
			return super.getTableCellRendererComponent(table, value, isSelected, hasFocus,
					row, column);
		}
	}
	
	class MyTableModel extends AbstractTableModel {
		@Override
		public int getRowCount() {
			return 3;
		}
		@Override
		public int getColumnCount() {
			return 3;
		}
		@Override
		public Object getValueAt(int rowIndex, int columnIndex) {
			return rowIndex + " - " + columnIndex;
		}
		
	}

	@Override
	public void mouseDragged(MouseEvent e) {}

	@Override
	public void mouseMoved(MouseEvent e) {
		MyTable table = (MyTable) e.getComponent();
		Point point = e.getPoint();
		int rowAtPoint = table.rowAtPoint(point);
		System.out.println(rowAtPoint);
		table.setMouseOnRowIndex(rowAtPoint);
		table.updateUI();
	}
	
	public static void main(String[] args) {
		JFrame frame = new JFrame();
		frame.add(new MyTable());
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
		frame.pack();
		frame.setVisible(true);
	}
}

2012年7月06日 05:12