?? mjtreetable.java
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/*
* MJTreeTable.java
*
* Created on 2007年6月16日, 上午6:11
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package org.joy.mjtreetable;
import javax.swing.tree.*;
import javax.swing.table.*;
import javax.swing.*;
import java.awt.Dimension;
import java.awt.Component;
import java.awt.Graphics;
/**
* MJTreeTable
* @version 1.0.0
* @author molinus
*/
public class MJTreeTable extends JTable{
/**
* 樹
*/
protected TreeTableCellRenderer tree;
/** Creates a new instance of MJTreeTable */
public MJTreeTable(TreeTableModel treeTableModel) {
super();
// Create the tree. It will be used as a renderer and editor.
tree = new TreeTableCellRenderer(treeTableModel);
// Install a tableModel representing the visible rows in the tree.
super.setModel(new TreeTableModelAdapter(treeTableModel, tree));
// Force the JTable and JTree to share their row selection models.
tree.setSelectionModel(new DefaultTreeSelectionModel() {
// Extend the implementation of the constructor, as if:
/* public this() */ {
setSelectionModel(listSelectionModel);
}
});
// Make the tree and table row heights the same.
tree.setRowHeight(getRowHeight());
// Install the tree editor renderer and editor.
setDefaultRenderer(TreeTableModel.class, tree);
setDefaultEditor(TreeTableModel.class, new TreeTableCellEditor());
setShowGrid(false);
setIntercellSpacing(new Dimension(0, 0));
}
/**
* 取得正在編輯的行
*/
public int getEditingRow() {
return (getColumnClass(editingColumn) == TreeTableModel.class) ? -1 : editingRow;
}
/**
* The renderer used to display the tree nodes, a JTree.
*/
public class TreeTableCellRenderer extends JTree implements TableCellRenderer {
protected int visibleRow;
public TreeTableCellRenderer(TreeModel model) {
super(model);
}
public void setBounds(int x, int y, int w, int h) {
super.setBounds(x, 0, w, MJTreeTable.this.getHeight());
}
public void paint(Graphics g) {
g.translate(0, -visibleRow * getRowHeight());
super.paint(g);
}
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row, int column) {
if(isSelected)
setBackground(table.getSelectionBackground());
else
setBackground(table.getBackground());
visibleRow = row;
return this;
}
}
/**
* The editor used to interact with tree nodes, a JTree.
*/
public class TreeTableCellEditor extends AbstractCellEditor implements TableCellEditor {
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int r, int c) {
return tree;
}
}
}
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