Prijelaz.java

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 * 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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package hr.fer.zemris.vhdllab.applets.editor.automaton;

import java.awt.Component;
import java.awt.GridLayout;
import java.util.HashSet;
import java.util.ResourceBundle;
import java.util.TreeSet;

import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Prijelaz {
	public String iz;
	public String u;
	public TreeSet<String> pobudaIzlaz;
	
	public Prijelaz(String iz,String u,String pobuda,String izlaz){
		super();
		this.iz=iz;
		this.u=u;
		pobudaIzlaz=new TreeSet<String>();
		String pomocni=pobuda;
		if(izlaz!=null)pomocni=new StringBuffer().append(pomocni).append("/").append(izlaz).toString();
		pobudaIzlaz.add(pomocni);
	}
	public Prijelaz() {
		super();
		pobudaIzlaz=new TreeSet<String>();
	}
	
	@Override
	public boolean equals(Object obj) {
		boolean pov=true;
		Prijelaz prj=(Prijelaz)obj;
		if (obj==null) pov=false;
		else if(!(this.iz.equals(prj.iz)&&this.u.equals(prj.u)))pov=false;
		return pov;
	}
	
	@Override
	public String toString() {
		String pomocni=null;
		for(String s:pobudaIzlaz){
			if(pomocni==null)pomocni=s;
			else pomocni=new StringBuffer().append(pomocni).append(", ").append(s).toString();
		}
		return pomocni;
	}
	
	public void editPrijelaz(AUTPodatci podatci,Component obj, ResourceBundle bundle){
		String pom=null;
		if(podatci.tip.equals("Mealy")) pom=editMealy(obj,podatci,bundle);
		else pom=editMoore(obj,podatci,bundle);
		if(pom!=null){
			if(pom.split("/")[0].matches("[-]*"))pobudaIzlaz.add("ELSE"+(podatci.tip.equalsIgnoreCase("Mealy")?"/"+pom.split("/")[1]:""));
			else pobudaIzlaz.add(pom);
		}
	}
	
	public String editPrijelaz2(AUTPodatci podatci,Component obj,ResourceBundle bundle){
		String pom=null;
		if(podatci.tip.equals("Mealy")) pom=editMealy(obj,podatci, bundle);
		else pom=editMoore(obj,podatci, bundle);
		return pom;
	}	
	//TODO ove dve funkcije srediti
	private String editMealy(Component obj, AUTPodatci podatci, ResourceBundle bundle) {
		JTextField pobuda=new CustomTextField("",podatci.sirinaUlaza);
		JTextField izlaz=new CustomTextField("",podatci.sirinaIzlaza,false);
		JLabel pobudaLab=new JLabel(bundle.getString(LanguageConstants.DIALOG_INPUT_TRANSITIONIN));
		JLabel izlazLabel=new JLabel(bundle.getString(LanguageConstants.DIALOG_INPUT_TRANSITIONOUT));
		JPanel panel=new JPanel();
		panel.setLayout(new GridLayout(2,2));
		panel.add(pobudaLab);
		panel.add(pobuda);
		panel.add(izlazLabel);
		panel.add(izlaz);
		String[] options={bundle.getString(LanguageConstants.DIALOG_BUTTON_OK),
				bundle.getString(LanguageConstants.DIALOG_BUTTON_CANCEL)
		};
		JOptionPane optionPane=new JOptionPane(panel,JOptionPane.QUESTION_MESSAGE,JOptionPane.OK_CANCEL_OPTION,null,options,options[0]);
		JDialog dialog=optionPane.createDialog(obj,bundle.getString(LanguageConstants.DIALOG_INPUT_TRANSITIONLABEL));
		dialog.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
		dialog.setVisible(true);
		Object selected=optionPane.getValue();
		
		if(selected.equals(options[1])) return null;
		return new StringBuffer().append(pobuda.getText()).append("/").append(izlaz.getText()).toString();
	}
	private String editMoore(Component obj, AUTPodatci podatci, ResourceBundle bundle) {
		JTextField pobuda=new CustomTextField("",podatci.sirinaUlaza);
		JLabel pobudaLab=new JLabel(bundle.getString(LanguageConstants.DIALOG_INPUT_TRANSITIONIN));
		JPanel panel=new JPanel();
		panel.setLayout(new GridLayout(1,2));
		panel.add(pobudaLab);
		panel.add(pobuda);

		String[] options={bundle.getString(LanguageConstants.DIALOG_BUTTON_OK),
				bundle.getString(LanguageConstants.DIALOG_BUTTON_CANCEL)
		};
		JOptionPane optionPane=new JOptionPane(panel,JOptionPane.QUESTION_MESSAGE,JOptionPane.OK_CANCEL_OPTION,null,options,options[0]);
		JDialog dialog=optionPane.createDialog(obj,bundle.getString(LanguageConstants.DIALOG_INPUT_TRANSITIONLABEL));
		dialog.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
		dialog.setVisible(true);
		Object selected=optionPane.getValue();
		
		if(selected.equals(options[1])) return null;
		return new StringBuffer().append(pobuda.getText()).toString();
	}
	public void dodajPodatak(String pobuda, String izlaz){
		String pomocni=pobuda;
		if(izlaz!=null)pomocni=new StringBuffer().append(pomocni).append("/").append(izlaz).toString();
		pobudaIzlaz.add(pomocni);
	}
	
	public void dodajPodatak(Prijelaz pr,HashSet<Prijelaz>prijelazi){
		if(!equals2(pr,prijelazi))
		this.pobudaIzlaz.addAll(pr.pobudaIzlaz);
	}
	
	/**
	 * funkcija usporeduje dali se smije dodati prijelaz ob u listu prijelaza konacnog automata
	 * obj smije imati samo jedan clan u TreeSetu pobudaIzlaz...
	 * @param obj
	 * @param prijelazi
	 */
	public boolean equals2(Object obj,HashSet<Prijelaz>prijelazi) {
		boolean pov=false;
		if (obj==null) return false;
		Prijelaz prj=(Prijelaz)obj;
		String pom=prj.pobudaIzlaz.first();
		int length=getLength(prj);
		for(Prijelaz pr:prijelazi){
			if(pr.iz.equals(prj.iz))
			for(String pod:pr.pobudaIzlaz){
				boolean test2=true;
				for(int i=0;i<length;i++)if(!(pom.charAt(i)==pod.charAt(i)||pom.charAt(i)=='-'||pod.charAt(i)=='-')){
					test2=false;
				}
				if(test2){
					pov=true;
					break;
				}
			}
		}
		return pov;
	}
	
	/**
	 * vraca velicinu pobude
	 * @param prj
	 * @return
	 */
	private static int getLength(Prijelaz prj) {
		String str=prj.pobudaIzlaz.first();
		String[] str2=str.split("/");
		return str2[0].trim().length();
	}
	
	/**
	 * poruka za ne dodavanje
	 */
	public void porukaNeDodaj(Component parent,ResourceBundle bundle) {
		JOptionPane.showMessageDialog(parent,bundle.getString(LanguageConstants.DIALOG_MESSAGE_TRANSITIONEXISTS));
		
	}

}