//==============================================================================
//	
//	Copyright (c) 2002-
//	Authors:
//	* Andrew Hinton <ug60axh@cs.bham.ac.uk> (University of Birmingham)
//	
//------------------------------------------------------------------------------
//	
//	This file is part of PRISM.
//	
//	PRISM is free software; you can redistribute it and/or modify
//	it under the terms of the GNU General Public License as published by
//	the Free Software Foundation; either version 2 of the License, or
//	(at your option) any later version.
//	
//	PRISM 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 General Public License for more details.
//	
//	You should have received a copy of the GNU General Public License
//	along with PRISM; if not, write to the Free Software Foundation,
//	Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//	
//==============================================================================

package settings;

import javax.swing.*;
import java.awt.*;
import javax.swing.border.*;
import java.util.*;
import java.io.*;

import userinterface.GUIPrism;

public class FileRenderer implements SettingRenderer
{
	private JLabel renderer;
	private JPanel panel;
	
	private ImageIcon warningIcon = GUIPrism.getIconFromImage("smallError.png");
	
	private boolean isFileValid = false;
	
	public FileRenderer()
	{
		panel = new JPanel(new BorderLayout());
		renderer = new JLabel();
		panel.add(renderer, BorderLayout.CENTER);
	}
	
	public Component getTableCellRendererComponent(JTable table, Setting owner, Object value, boolean isSelected, boolean hasFocus, boolean isEnabled, int row, int column)
	{
		//renderer.setMargin(new Insets(0, 2, 4, 2));
		
		if (isSelected)
		{
			renderer.setForeground(table.getSelectionForeground());
			panel.setBackground(table.getSelectionBackground());
		}
		else
		{
			renderer.setForeground(table.getForeground());
			panel.setBackground(table.getBackground());
		}
		
		if(hasFocus)
		{
			renderer.setBorder( UIManager.getBorder("Table.focusCellHighlightBorder") );
		}
		else
		{
			renderer.setBorder(new EmptyBorder(1, 2, 2, 1));
		}
		
		if(value instanceof File)
		{
			File file = (File)value;
			
			//renderer.setForeground(fcp.c);
			
			renderer.setText(file.toString());;
			
			renderer.setEnabled(isEnabled);
			
			
			if(owner instanceof FileSetting)
			{
				FileSetting fset = (FileSetting)owner;
				if(!fset.isValidFile())
				{
					renderer.setIcon(warningIcon);
				}
				else
				{
					renderer.setIcon(null);
				}
			}
			//renderer.setFont(fcp.f);
			
		}
		else if(value instanceof ArrayList)
		{
			ArrayList values = (ArrayList)value;
			if(values.size() > 0)
			{
				//if we have multiple properties selected.
				File last = null;
				boolean allSame = true;
				for(int i = 0; i < values.size(); i++)
				{
					if(values.get(i) instanceof File)
					{
						File str = (File)values.get(i);
						if(last != null)
						{
							if(!str.equals(last))
							{
								allSame = false; break;
							}
							last = str;
						}
						else
						{
							last = str;
						}
					}
				}
				if(allSame)
				{
					File file = last;
					
					//renderer.setForeground(fcp.c);
					
					renderer.setText(file.toString());;
					
					renderer.setEnabled(isEnabled);
					
					
					if(owner instanceof FileSetting)
					{
						FileSetting fset = (FileSetting)owner;
						if(!fset.isValidFile())
						{
							renderer.setIcon(warningIcon);
						}
						else
						{
							renderer.setIcon(null);
						}
					}
				}
				else
				{
					renderer.setText("(Different values)");
					
					renderer.setEnabled(isEnabled);
					
					renderer.setBackground(Color.lightGray);
					panel.setBackground(Color.lightGray);
					
				}
				
			}
		}
		
		//sort out the height
		
		
		return panel;
	}
	
}