package com.vci.client.workflow.editor;

import java.util.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
import java.awt.event.MouseEvent;
import java.util.EventObject;

/**
 * <p>Title:DblclickCellEditor双击可编辑</p>
 * <p>Description:实现单元格的双击编辑操作</p>
 * <p>Copyright: Copyright (C) 2011 </p>
 * <p>Company: VCI </p>
 *  
 *  @author liud
 *  @time 2013-5-22
 *  @version 1.0
 */
public class DblclickCellEditor extends DefaultCellEditor {
	
	private static final long serialVersionUID = 1L;

  

	protected HashMap<Integer, TableCellEditor> editors;
	protected TableCellEditor editor, defaultEditor;
	protected Object value;
	protected ChangeEvent changeEvent = null;
	protected int clickCountToStart = 2;
	JTable table = null;
	
	public DblclickCellEditor(JComboBox checkBox , JTable table) {
		super(checkBox);
		this.table = table;
		editors = new HashMap<Integer, TableCellEditor>();
		defaultEditor = new DefaultCellEditor(checkBox);//new JTextField()
	}

    public void setEditorAt(int row, TableCellEditor editor) {
    	editors.put(new Integer(row),editor);
   }

   public Component getTableCellEditorComponent(JTable table,
      Object value, boolean isSelected, int row, int column) {
      try{
          return editor.getTableCellEditorComponent(table,
                value, isSelected, row, column);
      }catch(Exception e){
    	  e.printStackTrace();
    	  return null;
      }
  }

   public Object getCellEditorValue() {
	   return editor.getCellEditorValue();
   }
   
   public boolean stopCellEditing() {
	   try{
	       return editor.stopCellEditing();
	   }catch(Exception e){
	        return false;
	    }
   }
   public void cancelCellEditing() {
	   editor.cancelCellEditing();
   }

   public void addCellEditorListener(CellEditorListener l) {
       editor.addCellEditorListener(l);
   }
   
   public void removeCellEditorListener(CellEditorListener l) {
       editor.removeCellEditorListener(l);
   }
   
   public boolean isCellEditable(EventObject anEvent) {
	  selectEditor((MouseEvent)anEvent);
      if (anEvent instanceof MouseEvent) {
          if (((MouseEvent)anEvent).getClickCount() < clickCountToStart){
               return false;
          }
       }
      return editor.isCellEditable(anEvent);
   }
   
   protected void selectEditor(MouseEvent e) {
	  int row;
	  if (e == null) {
	     row = table.getSelectionModel().getAnchorSelectionIndex();
	  } else {
	     row = table.rowAtPoint(e.getPoint());
	  }
	  editor = (TableCellEditor)editors.get(new Integer(row));
	  if (editor == null) {
	     editor = defaultEditor;
	  }
   }

}