package OurApplication;

import logging.Algorithm;
import logging.LogElement;
import logging.LogElementList;
import visualisation.*;
import visualisation.TextArea;

import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

/**
 * This class provides an example for using visualization.HybridWindow. 
 * Overwriting the constructor is necessary to run as an applet.
 * For running as an application overwriting the constructor is not necessary
 * @see HybridWindow
 * @see OurApplication
 * @author MSch�fer
 * DHBW Stuttgart/Campus Horb AI2008<br>
 * <br>
 */
public class OurHybridWindow<DRAW extends DrawArea,
		TEXT extends TextArea,
		PARAM extends ParameterArea,
		ALGORITHM extends Algorithm,
		LOG extends LogElement,
		LEGEND extends LegendArea,
		METHODBUTTONS extends ParameterArea> extends HybridWindow{

	protected METHODBUTTONS methodButtons;
	protected StartListener startListener;
	/** Action listener for stop button. */
	protected StopListener stopListener;
	/** Action listener for previous button. */
	protected PrevListener prevListener;
	/** Action listener for next button. */
	protected NextListener nextListener;
	/** Action listener for first button. */
	protected FirstListener firstListener;
	/** Action listener for last button. */
	protected LastListener lastListener;
	/** Item listener for auto button. */
	protected AutoButtonListener autoButtonListener;
	/** Change listener for auto slider. */
	protected AutoSliderListener autoSliderListener;
	/** Item listener for forward button. */
	protected AutoForwardListener autoForwardListener;
	/** Item listener for backward button. */
	protected AutoBackwardListener autoBackwardListener;
	/** Item listener for pause button. */
	protected PauseButtonListener pauseButtonListener;

	/**
	 * Overwritten standard constructor.
	 * Creates a TestUpHybridWindow with 
	 * TestParameterArea,SumUpLegendArea, TestDrawArea, TestTextArea, 
	 * TestAlgorithm and a LogElementList of TestLogElements.
	 */
	public OurHybridWindow() {
		super();
	}
	public OurHybridWindow(DRAW drawArea, TEXT textArea, PARAM parameterArea, ALGORITHM algorithm, LogElementList<LOG>logList, LEGEND legendArea, METHODBUTTONS methodButtons) {
		super(drawArea, textArea, parameterArea, algorithm, logList, legendArea);
		this.methodButtons = methodButtons;
	}
	public void init(){
		startButton=new JButton("start");
		stopButton=new JButton("stop");
		nextButton=new JButton("next");
		prevButton=new JButton("prev");
		lastButton=new JButton("last");
		firstButton=new JButton("first");
		autoButton=new JToggleButton("automatc");
		autoSlider=new JSlider(1,100,1);
		autoForwardButton=new JRadioButton("forward");
		autoBackwardButton=new JRadioButton("backward");
		pauseButton=new JButton("pause");

		ButtonGroup autoDirection=new ButtonGroup();
		autoDirection.add(autoForwardButton);
		autoDirection.add(autoBackwardButton);
		autoForwardButton.setSelected(true);

		JPanel panelStartStopControls=new JPanel();
		panelStartStopControls.setLayout(new GridLayout(4,1,5,5));
		panelStartStopControls.add(startButton);
		panelStartStopControls.add(stopButton);
		panelStartStopControls.add(pauseButton);
		panelStartStopControls.add(methodButtons);
		panelStartStopControls.setBorder(BorderFactory.createTitledBorder("Start / Stop"));

		JPanel panelStepwiseExecutionControls=new JPanel();
		panelStepwiseExecutionControls.setLayout(new GridLayout(4,1,5,5));
		panelStepwiseExecutionControls.add(firstButton);
		panelStepwiseExecutionControls.add(nextButton);
		panelStepwiseExecutionControls.add(prevButton);
		panelStepwiseExecutionControls.add(lastButton);
		panelStepwiseExecutionControls.setBorder(BorderFactory.createTitledBorder("Stepwise execution"));

		JPanel panelAutomaticExecutionControls=new JPanel();
		panelAutomaticExecutionControls.setLayout(new GridLayout(5,1,5,5));
		panelAutomaticExecutionControls.add(autoButton);
		panelAutomaticExecutionControls.add(autoSlider);
		panelAutomaticExecutionControls.add(autoForwardButton);
		panelAutomaticExecutionControls.add(autoBackwardButton);
		panelAutomaticExecutionControls.setBorder(BorderFactory.createTitledBorder("Automatic execution"));

		JPanel buttonLine=new JPanel();
		buttonLine.setLayout(new GridLayout(3,1,5,5));
		buttonLine.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
		buttonLine.add(panelStartStopControls);
		buttonLine.add(panelStepwiseExecutionControls);
		buttonLine.add(panelAutomaticExecutionControls);

		JLabel headline=new JLabel(algorithm.getTitle());
		headline.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
		headline.setFont(new Font("SansSerif",Font.PLAIN,20));

		JScrollPane parameterAreaScrollPane = parameterArea.getScrollPane();
		JScrollPane legendAreaScrollPane = legendArea.getScrollPane();

		parameterAreaScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
		legendAreaScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);

		JSplitPane hybridWindowSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT,parameterAreaScrollPane, legendAreaScrollPane);
		hybridWindowSplitPane.setOneTouchExpandable(true);
		hybridWindowSplitPane.setResizeWeight(0.465);
		tabbedPane.insertTab(drawArea.getDrawAreaName(),null, drawArea.getScrollPane(),drawArea.getDrawAreaName(),0);
		tabbedPane.setSelectedIndex(0);

		setLayout(new BorderLayout(10,10));

		add(headline,BorderLayout.NORTH);
		add(hybridWindowSplitPane,BorderLayout.WEST);
		add(tabbedPane,BorderLayout.CENTER);
		add(textArea.getScrollPane(),BorderLayout.SOUTH);
		add(buttonLine,BorderLayout.EAST);

		setState(PARAMETERSTATE);

		startListener= new StartListener();
		stopListener=new StopListener();
		prevListener=new PrevListener();
		nextListener=new NextListener();
		firstListener=new FirstListener();
		lastListener=new LastListener();
		autoButtonListener=new AutoButtonListener();
		autoSliderListener=new AutoSliderListener();
		autoForwardListener=new AutoForwardListener();
		autoBackwardListener=new AutoBackwardListener();
		pauseButtonListener=new PauseButtonListener();

		startButton.addActionListener(startListener);
		stopButton.addActionListener(stopListener);
		prevButton.addActionListener(prevListener);
		nextButton.addActionListener(nextListener);
		firstButton.addActionListener(firstListener);
		lastButton.addActionListener(lastListener);
		autoButton.addItemListener(autoButtonListener);
		autoSlider.addChangeListener(autoSliderListener);
		autoForwardButton.addItemListener(autoForwardListener);
		autoBackwardButton.addItemListener(autoBackwardListener);
		pauseButton.addActionListener(pauseButtonListener);

		autoTimer=new Timer(1,nextListener);
	}

	class StartListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			Component[]bComponents=methodButtons.getComponents();
			setState(RUNSTATE);
			for(Component c:bComponents){
				c.setEnabled(false);
			}
			logList=algorithm.run();
			drawArea.setLogList(logList);
			textArea.setLogList(logList);
		}
	}

	class StopListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			Component[]bComponents=methodButtons.getComponents();
			setState(PARAMETERSTATE);
			for(Component c:bComponents){
				c.setEnabled(true);
			}
			logList.clear();
			drawArea.clear();
			textArea.clear();
		}
	}

	class PrevListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			if(logList.isInitialized()){
				if(logList.get()==logList.firstElement()){
					autoButton.setSelected(false);
				}
				else{
					logList.prev();
					drawArea.drawStep();
					textArea.printStep();
				}
			}
			else{
				logList.prev();
				drawArea.drawStep();
				textArea.printStep();
			}
		}
	}

	class NextListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			if(logList.isInitialized()){
				if(logList.get()==logList.lastElement()){
					autoButton.setSelected(false);
				}
				else{
					logList.next();
					drawArea.drawStep();
					textArea.printStep();
				}
			}
			else{
				logList.next();
				drawArea.drawStep();
				textArea.printStep();
			}
		}
	}

	class FirstListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			logList.first();
			drawArea.drawStep();
			textArea.printStep();
		}
	}

	class LastListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			logList.last();
			drawArea.drawStep();
			textArea.printStep();
		}
	}

	class AutoButtonListener implements ItemListener {
		public void itemStateChanged(ItemEvent event){
			if(event.getStateChange()==ItemEvent.SELECTED){
				setState(AUTOSTATE);
				autoTimer.setDelay(10000/((int)Math.pow(autoSlider.getValue(),2)));
				autoTimer.start();
			}else{
				setState(RUNSTATE);
				autoTimer.stop();
			}
		}
	}

	class AutoSliderListener implements ChangeListener {
		public void stateChanged(ChangeEvent event){
			if(autoTimer.isRunning()){
				autoTimer.stop();
				autoTimer.setInitialDelay(10000/((int)Math.pow(autoSlider.getValue(),2)));
				autoTimer.setDelay(10000/((int)Math.pow(autoSlider.getValue(),2)));
				autoTimer.start();
				autoTimer.setInitialDelay(1);
			}
		}
	}

	class AutoForwardListener implements ItemListener{
		public void itemStateChanged(ItemEvent event){
			if(event.getStateChange()==ItemEvent.SELECTED){
				autoTimer.removeActionListener(prevListener);
				autoTimer.addActionListener(nextListener);
			}
		}
	}

	class AutoBackwardListener implements ItemListener{
		public void itemStateChanged(ItemEvent event){
			if(event.getStateChange()==ItemEvent.SELECTED){
				autoTimer.removeActionListener(nextListener);
				autoTimer.addActionListener(prevListener);
			}
		}
	}

	class PauseButtonListener implements ActionListener{
		public void actionPerformed(ActionEvent event){
			if(autoButton.isSelected()){
				setState(RUNSTATE);
				autoTimer.stop();
				autoButton.setSelected(false);
			}
		}
	}
}