package com.c2kernel.gui.graph.view;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;

import javax.swing.JOptionPane;
import javax.swing.event.TableModelEvent;
import javax.swing.table.AbstractTableModel;

import com.c2kernel.utils.Language;

/**************************************************************************
 *
 * $Revision: 1.4 $
 * $Date: 2005/08/02 07:50:10 $
 *
 * Copyright (C) 2003 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/

public class PropertyTableModel extends AbstractTableModel {

    private final String[] mColumnNames = { Language.translate("Name"), Language.translate("Value") };
    HashMap<String, Object> sourceMap = new HashMap<String, Object>();
    ArrayList<String> sortedNameList = new ArrayList<String>();
    boolean isEditable = false;

    public PropertyTableModel() {
        super();
    }

    @Override
	public int getColumnCount()
    {
        return mColumnNames.length;
    }
    @Override
	public String getColumnName(int col)
    {
        return mColumnNames[col];
    }
    @Override
	public int getRowCount()
    {
        synchronized (sourceMap) {
            return sourceMap.size();
        }
    }
    @Override
	public Object getValueAt(int rowIndex, int colIndex)
    {
        synchronized (sourceMap) {
            String rowName = sortedNameList.get(rowIndex);
            if (colIndex == 0)
                return rowName;
            else
                return sourceMap.get(rowName);
        }
    }

    @Override
	public void setValueAt(Object value, int rowIndex, int colIndex)
    {
        synchronized (sourceMap) {
            if (colIndex == 0) return;
            String rowName = sortedNameList.get(rowIndex);
            Class<? extends Object> oldElement = sourceMap.get(rowName).getClass();
            if (oldElement == Double.class && value.getClass() == String.class)
        		try {
        			value = Double.valueOf((String)value);
        		} catch (Exception ex) { }
            if (value.getClass() != oldElement)
            	JOptionPane.showMessageDialog(null, "This property should contain a "+oldElement.getName()+" not a "+value.getClass().getName(), "Incorrect datatype", JOptionPane.ERROR_MESSAGE);
            else {
            	sourceMap.put(rowName, value);
            	fireTableCellUpdated(rowIndex, colIndex);
            }
        }
    }

    public void setMap(HashMap<String, Object> props) {
        synchronized (sourceMap) {
            sourceMap = props;
            sortedNameList = new ArrayList<String>(props.size());
            for (String string : props.keySet())
				sortedNameList.add(string);

            Collections.sort(sortedNameList, new Comparator<String>() {
                @Override
				public int compare(String o1, String o2) {
                    return (o1.compareToIgnoreCase(o2));
                }
            });
        }
        fireTableChanged(new TableModelEvent(this));
    }

    @Override
	public boolean isCellEditable(int row, int col)
    {
        return col==1 && isEditable;
    }

    /**
     * @return Returns the isEditable.
     */
    public boolean isEditable() {
        return isEditable;
    }
    /**
     * @param isEditable The isEditable to set.
     */
    public void setEditable(boolean isEditable) {
        this.isEditable = isEditable;
    }

    /**
     * @param text
     * @param object
     */
    public void addProperty(String text, Object object) {
        sourceMap.put(text,object);
        setMap(sourceMap);
    }

    /**
     * @param object
     */
    public void delProperty(Object propName) {
        sourceMap.remove(propName);
        setMap(sourceMap);
    }
}