作为项目的一部分,我希望为每个单元制作不同类型对象的表格,但我无法理解如何使每个单元格都自定义......我发现here如何设置列它有一个像String,Bool,Slider这样的对象类型......但是对于每个Cell我都不知道!自定义表格原始对象
这幅画是从jformDesigner软件性能的一部分,我想是这样的表:
作为项目的一部分,我希望为每个单元制作不同类型对象的表格,但我无法理解如何使每个单元格都自定义......我发现here如何设置列它有一个像String,Bool,Slider这样的对象类型......但是对于每个Cell我都不知道!自定义表格原始对象
这幅画是从jformDesigner软件性能的一部分,我想是这样的表:
这个例子可以作为一个起点:
import java.awt.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
public class TablePropertyEditor extends JFrame
{
public TablePropertyEditor()
{
String[] columnNames = {"Type", "Value"};
Object[][] data =
{
{"String", "I'm a string"},
{"Date", new Date()},
{"Integer", new Integer(123)},
{"Double", new Double(123.45)},
{"Boolean", Boolean.TRUE}
};
JTable table = new JTable(data, columnNames)
{
private Class editingClass;
public TableCellRenderer getCellRenderer(int row, int column)
{
editingClass = null;
int modelColumn = convertColumnIndexToModel(column);
if (modelColumn == 1)
{
Class rowClass = getModel().getValueAt(row, modelColumn).getClass();
return getDefaultRenderer(rowClass);
}
else
return super.getCellRenderer(row, column);
}
public TableCellEditor getCellEditor(int row, int column)
{
editingClass = null;
int modelColumn = convertColumnIndexToModel(column);
if (modelColumn == 1)
{
editingClass = getModel().getValueAt(row, modelColumn).getClass();
return getDefaultEditor(editingClass);
}
else
return super.getCellEditor(row, column);
}
// This method is also invoked by the editor when the value in the editor
// component is saved in the TableModel. The class was saved when the
// editor was invoked so the proper class can be created.
public Class getColumnClass(int column)
{
return editingClass != null ? editingClass : super.getColumnClass(column);
}
};
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane = new JScrollPane(table);
getContentPane().add(scrollPane);
}
public static void main(String[] args)
{
TablePropertyEditor frame = new TablePropertyEditor();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
可你也发表您的代码更好的理解? – sifho
我使用本网站的代码:http://www.java2s.com/Code/Java/Swing-JFC/Asliderrendererforvolumevaluesinatable.htm – M410