gridcelltext.java

PDBView是一个可以查看palmOS执行包*.pdb（类似于java包*.jar）结构的小工具

/* 
 * WExtLib - A class library for the Superwaba Virtual Machine
 * Copyright (C) 2005, Virgilio Alexandre Fornazin
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package wextlib.ui.grid;

import waba.fx.*;
import waba.ui.*;

/**
 * This class implements a default Grid Cell with editing support (text)
 * 
 * @author Virgilio Alexandre Fornazin (mailto:[e-mail])
 */
public final class GridCellText extends GridCell
{
	/** Valid chars */
	private String m_strValidChars;
	
	/** In-place editor */
	private Edit m_Editor;
	
	/**
	 * Default constructor
	 */
	public GridCellText()
	{
		m_strValidChars = null;
		m_Editor = null;
	}
	
	/**
	 * Get valid chars
	 */
	public String getValidChars()
	{
		return m_strValidChars;
	}
	
	/**
	 * Set valid chars
	 */
	public void setValidChars(String strValidChars)
	{
		m_strValidChars = strValidChars;
	}
	
	public boolean supportEditing()
	{
		return true;
	}
	
	public boolean onStartEdit(Grid grid, GridCellID cellID, Rect cellRect, Color clrForeColor, Color clrBackColor, Font cellFont, int chrCode)
	{
		super.onStartEdit(grid, cellID, cellRect, clrForeColor, clrBackColor, cellFont, chrCode);
		
		m_Editor = new GridCellTextEditor();
		
		m_EditGrid.add(m_Editor);
		m_EditControl = m_Editor;
		
		m_Editor.setVisible(false);
		m_Editor.setRect(m_EditRect);

		if (m_strValidChars != null)
		{
			m_Editor.setValidChars(m_strValidChars);
		}

		if (m_EditBackColor != null)
		{
			m_Editor.setBackColor(m_EditBackColor);
		}
		
		if (m_EditForeColor != null)
		{
			m_Editor.setForeColor(m_EditForeColor);
		}
		
		if (m_EditFont != null)
		{
			m_Editor.setFont(m_EditFont);
		}
		
		m_Editor.setText(getCellText());
		m_Editor.setVisible(true);
		m_Editor.setCursorPos(0, m_Editor.getText().length());
		m_Editor.requestFocus();
		
		return true;
	}
	
	public boolean onEndEdit()
	{
		if (m_Editor == null)
		{
			return false;
		}
		
		setCellText(m_Editor.getText());

		m_Editor = null;

		m_EditGrid.remove(m_EditControl);
		m_EditControl = null;
		
		return true;
	}
}