stocktablecellrenderer.java

JStock是一个免费股市软件

/*
 * StockTableCellRender.java
 *
 * Created on May 1, 2007, 5:43 PM
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Copyright (C) 2007 Cheok YanCheng <[e-mail]>
 */

package org.yccheok.jstock.gui;

import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 *
 * @author yccheok
 */
public class StockTableCellRenderer extends javax.swing.table.DefaultTableCellRenderer {
    
    /** Creates a new instance of StockTableCellRender */
    public StockTableCellRenderer() {
        super();
    }
    
    private void performCellBlinking(final Component cell, final double value, final double oldValue, final Color finalForegroundColor, final Color finalBackgroundColor) {                
        final JStockOptions jStockOptions = MainFrame.getJStockOptions();

        if(value == oldValue) {
            cell.setForeground(finalForegroundColor);
            cell.setBackground(finalBackgroundColor);
            return;
        }
        else {
            cell.setForeground(jStockOptions.getAutoUpdateForegroundColor());
            cell.setBackground(jStockOptions.getAutoUpdateBackgroundColor());
        }                
        
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                cell.setForeground(finalForegroundColor);
                cell.setBackground(finalBackgroundColor);
            }
        });                                
    }
    
    private Color getBackgroundColor(int row) {
        final JStockOptions jStockOptions = MainFrame.getJStockOptions();
        
        if(row % 2 == 0) {
            return jStockOptions.getFirstRowBackgroundColor();
        }
        
        return jStockOptions.getSecondRowBackgroundColor();
    }
    
    private Color getForegroundColor(double value, double ref) {
        final JStockOptions jStockOptions = MainFrame.getJStockOptions();
        
        if(value > ref) {
            return jStockOptions.getHigherNumericalValueForegroundColor();
        }
        else if(value < ref) {
            return jStockOptions.getLowerNumericalValueForegroundColor();
        }
        
        return jStockOptions.getNormalTextForegroundColor();
    }
    
    private Component getTableCellRendererComponentWithCellBlinking (
                            Component c, JTable table, Object color,
                            boolean isSelected, boolean hasFocus,
                            int row, int column) {        
        final JStockOptions jStockOptions = MainFrame.getJStockOptions();        
        
        AbstractTableModelWithMemory tableModel = (AbstractTableModelWithMemory)table.getModel();

        double openPrice = (Double)tableModel.getValueAt(table.convertRowIndexToModel(row), tableModel.findColumn("Open"));       

        if(table.getColumnName(column).equalsIgnoreCase("buy"))
        {
            final int modelRow = table.convertRowIndexToModel(row);
            final int modelCol = tableModel.findColumn("Buy"); 
            
            final double buyPrice = (Double)tableModel.getValueAt(modelRow, modelCol);

            final Object o = tableModel.getOldValueAt(modelRow, modelCol);
            final double oldBuyPrice = ((o == null) ? buyPrice : (Double)o);
            this.performCellBlinking(c, buyPrice, oldBuyPrice, this.getForegroundColor(buyPrice, openPrice), getBackgroundColor(row));
            return c;
        }                         
        else if(table.getColumnName(column).equalsIgnoreCase("sell"))
        {
            final int modelRow = table.convertRowIndexToModel(row);
            final int modelCol = tableModel.findColumn("Sell"); 
            
            final double sellPrice = (Double)tableModel.getValueAt(modelRow, modelCol);

            final Object o = tableModel.getOldValueAt(modelRow, modelCol);
            final double oldSellPrice = ((o == null) ? sellPrice : (Double)o);
            this.performCellBlinking(c, sellPrice, oldSellPrice, this.getForegroundColor(sellPrice, openPrice), getBackgroundColor(row));
            return c;
        } 
        else if(table.getColumnName(column).equalsIgnoreCase("last"))
        {
            final int modelRow = table.convertRowIndexToModel(row);
            final int modelCol = tableModel.findColumn("Last"); 
            
            final double lastPrice = (Double)tableModel.getValueAt(modelRow, modelCol);

            final Object o = tableModel.getOldValueAt(modelRow, modelCol);
            final double oldLastPrice = ((o == null) ? lastPrice : (Double)o);
            this.performCellBlinking(c, lastPrice, oldLastPrice, this.getForegroundColor(lastPrice, openPrice), getBackgroundColor(row));
            return c;          
        }      
        else if(table.getColumnName(column).equalsIgnoreCase("low"))
        {
            final int modelRow = table.convertRowIndexToModel(row);
            final int modelCol = tableModel.findColumn("Low"); 
            
            final double lowPrice = (Double)tableModel.getValueAt(modelRow, modelCol);

            final Object o = tableModel.getOldValueAt(modelRow, modelCol);
            final double oldLowPrice = ((o == null) ? lowPrice : (Double)o);
            this.performCellBlinking(c, lowPrice, oldLowPrice, this.getForegroundColor(lowPrice, openPrice), getBackgroundColor(row));
            return c;
        } 
        else if(table.getColumnName(column).equalsIgnoreCase("high"))
        {
            final int modelRow = table.convertRowIndexToModel(row);
            final int modelCol = tableModel.findColumn("High"); 
            
            final double highPrice = (Double)tableModel.getValueAt(modelRow, modelCol);

            final Object o = tableModel.getOldValueAt(modelRow, modelCol);
            final double oldHighPrice = ((o == null) ? highPrice : (Double)o);
            this.performCellBlinking(c, highPrice, oldHighPrice, this.getForegroundColor(highPrice, openPrice), getBackgroundColor(row));
            return c;
        }
        else if(table.getColumnName(column).equalsIgnoreCase("chg"))
        {
            final int modelRow = table.convertRowIndexToModel(row);
            final int modelCol = tableModel.findColumn("Chg"); 
            
            final double changePrice = (Double)tableModel.getValueAt(modelRow, modelCol);

            final Object o = tableModel.getOldValueAt(modelRow, modelCol);
            final double oldChangePrice = ((o == null) ? changePrice : (Double)o);
            this.performCellBlinking(c, changePrice, oldChangePrice, this.getForegroundColor(changePrice, 0.0), getBackgroundColor(row));
            return c;
        }
        else if(table.getColumnName(column).equalsIgnoreCase("chg (%)"))
        {