VectorPatternPanel.java

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 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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 * See the License for the specific language governing permissions and
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package hr.fer.zemris.vhdllab.applets.editor.newtb.view.patternPanels;

import hr.fer.zemris.vhdllab.applets.editor.newtb.enums.EvaluationMethod;
import hr.fer.zemris.vhdllab.applets.editor.newtb.exceptions.UniformPatternException;
import hr.fer.zemris.vhdllab.applets.editor.newtb.numbers.Binary;
import hr.fer.zemris.vhdllab.applets.editor.newtb.numbers.Hex;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.math.BigInteger;

import javax.swing.ButtonGroup;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;

public abstract class VectorPatternPanel extends PatternPanel {

    private static final long serialVersionUID = 1L;
    
    protected String radixChoice = "Decimal";
    protected JPanel upperPanel;
    protected GroupBox radixGB;
    protected ButtonGroup radixButGroup = new ButtonGroup();
    
    private String[] choices = new String[]{"Binary", "Decimal", "Hexadecimal"};
    
    public VectorPatternPanel()
    {
        super();
        upperPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        for (String name : choices) {
            JRadioButton b = new JRadioButton(name);
            b.addActionListener(listener);
            upperPanel.add(b);
            radixButGroup.add(b);
            if(name.equals("Decimal"))
                b.setSelected(true);
        }
        radixGB = new GroupBox("Radix",upperPanel);
        this.add(radixGB, BorderLayout.NORTH);
        
    }
    
    private ActionListener listener = new ActionListener() {
        public void actionPerformed (ActionEvent e) {
           radixChoice = e.getActionCommand();
        }
     };
     
     protected int getValue(String x) throws UniformPatternException, NumberFormatException
     {
         if(radixChoice.equals("Binary"))
             return Binary.parseBinary(x);
         if(radixChoice.equals("Decimal"))
             return Integer.parseInt(x);
         if(radixChoice.equals("Hexadecimal"))
             return Hex.parseHex(x);
         throw new UniformPatternException("Greska u sustavu!! Provjeriti VectorPatternPanel, choices");
     }
     protected BigInteger getValueBig(String x) throws UniformPatternException, NumberFormatException
     {
         if(radixChoice.equals("Binary"))
             return new BigInteger(x, 2);
         if(radixChoice.equals("Decimal"))
             return new BigInteger(x, 10);
         if(radixChoice.equals("Hexadecimal"))
             return new BigInteger(x, 16);
         throw new UniformPatternException("Greska u sustavu!! Provjeriti VectorPatternPanel, choices");
     }
     @Override
     protected KeyListener getKeyListener()
    {
        return new KeyListener() {
        
            @Override
            public void keyTyped(KeyEvent arg0) {
                if(radixChoice.equals("Decimal") && !(arg0.getKeyChar() >= '0' && arg0.getKeyChar()<='9'))
                    arg0.consume();
                if(radixChoice.equals("Binary") && !(arg0.getKeyChar() >= '0' && arg0.getKeyChar()<='1'))
                    arg0.consume();
                if(radixChoice.equals("Hexadecimal") && 
                        !(arg0.getKeyChar() >= '0' && arg0.getKeyChar()<='9' 
                            || arg0.getKeyChar() >= 'a' && arg0.getKeyChar()<='f'
                                || arg0.getKeyChar() >= 'A' && arg0.getKeyChar()<='F'))
                    arg0.consume();
                
                
            }
            @Override
            public void keyReleased(KeyEvent arg0) {
                // TODO Auto-generated method stub
        
            }
        
            @Override
            public void keyPressed(KeyEvent arg0) {
                // TODO Auto-generated method stub
        
            }
        
        };
    }
     
     @Override
    public void evaluate(JTextField b, EvaluationMethod m) {
         if(!b.isOpaque())
             b.setOpaque(true);
        if(m == EvaluationMethod.GetValue)
        {
            try
            {
                getValue(b.getText());
                b.setBackground(Color.white);
            }
            catch(Exception e)
            {
                b.setBackground(defaultBadColor);
            }
            finally
            {
                b.validate();
            }
        }
        else if(m == EvaluationMethod.GetValueBig)
        {
            try
            {
                getValueBig(b.getText());
                b.setBackground(Color.white);
            }
            catch(Exception e)
            {
                b.setBackground(defaultBadColor);
            }
            finally
            {
                b.validate();
            }
        }
        else super.evaluate(b, m);
    }

}