/***
    * Created on Jan 10, 2006, Copyright UC Regents
    */
   package org.telscenter.pas.steps.quickEditors.qti.assessment;
   
   import java.awt.Component;
   import java.awt.Container;
   import java.awt.event.ActionEvent;
   import java.awt.event.ActionListener;
  import java.io.Serializable;
  import java.util.List;
  
  import javax.swing.BoxLayout;
  import javax.swing.ButtonGroup;
  import javax.swing.JButton;
  import javax.swing.JFrame;
  import javax.swing.JPanel;
  import javax.swing.undo.UndoManager;
  import javax.xml.bind.JAXBElement;
  
  import net.sf.sail.jaxb.extension.BlockInteractionType;
  import net.sf.sail.jaxb.extension.JaxbQtiMarshallingUtils;
  
  import org.imsglobal.xsd.imsqti_v2p0.ChoiceInteractionType;
  import org.imsglobal.xsd.imsqti_v2p0.FeedbackInlineType;
  import org.imsglobal.xsd.imsqti_v2p0.ResponseDeclarationType;
  import org.imsglobal.xsd.imsqti_v2p0.SimpleChoiceType;
  import org.telscenter.pas.util.JaxbQtiCreationUtils;
  
  
  /***
   * @author aperritano
   * 
   */
  public class ChoiceCardContainerUI extends JPanel {
  
  	private int choiceIndex = 0;
  	
  	private int numOfChoices = 0;
  	
  	private ChoiceHeaderUI choiceHeader;
  
  	private BlockInteractionType interaction;
  
  	private ResponseDeclarationType responseDeclarationType;
  	
  	private ButtonGroup correctAnswerButtonGroup;
  
  	private boolean hasCorrectAnswer;
  
  	private UndoManager undoManager;
  
  	public ChoiceCardContainerUI() {
  		super();
  		
  			
  	}
  
  	/***
  	 * @param numberOfResponses 
  	 * @param b
  	 */
  	public ChoiceCardContainerUI(boolean hasCorrectAnswer, boolean needsEmptyChoice, BlockInteractionType interaction, ResponseDeclarationType responseDeclarationType, UndoManager undoManager) {
  		this.hasCorrectAnswer = hasCorrectAnswer;
  		this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
  		this.setOpaque(false);
  		this.interaction = interaction;
  		this.responseDeclarationType = responseDeclarationType;
  		choiceHeader = new ChoiceHeaderUI();
  		correctAnswerButtonGroup = new ButtonGroup(); 
  		this.undoManager = undoManager;
  		addHeaderPanel();
  		
  		if( needsEmptyChoice ) {
  			this.addNewChoice(new ChoiceCardUI(hasCorrectAnswer, (ChoiceInteractionType) interaction,new SimpleChoiceType(),responseDeclarationType, undoManager));
  		}// if
  	}
  
  	protected void addHeaderPanel() {
  		this.add(choiceHeader,0);
  	}
  
  	public void addChoice(ChoiceCardUI choiceUI, boolean refresh) {
  		addChoice(choiceUI);
  		if( refresh )
  			this.revalidate();
  	}
  
  	public void addChoice(ChoiceCardUI choice) {
  		
  		choiceIndex++;
  		
  		//add to button group
  		
  		correctAnswerButtonGroup.add(choice.getCorrectAnswerRadio());
  		choice.setChoiceContainer(this);
  		choice.setChoiceNumber(choiceIndex);
  		
  		this.add(choice, choiceIndex);
 		
 		numOfChoices++;
 		
 		
 		modButtons();
 	}
 	
 	protected void modButtons() {
 		ChoiceCardUI cc = (ChoiceCardUI) this.getComponent(1);
 		if( numOfChoices == 1 ) {
 			cc.enableDelete(false);
 		} else {
 			cc.enableDelete(true);
 		}// if	
 	}
 
 	public int getChoiceIndex() {
 		return choiceIndex;
 	}
 	
 	public void setChoiceIndex(int noteChoiceIndex) {
 		this.choiceIndex = noteChoiceIndex;
 	}
 	
 	public static void main(String[] args) {
 //		JFrame frame = new JFrame("note choice test");
 //
 //		Container contentPane = frame.getContentPane();
 //
 //		JButton showButton = new JButton("show ui");
 //
 //		showButton.addActionListener(new ActionListener() {
 //
 //			public void actionPerformed(ActionEvent e) {
 //
 //				JFrame frame = new JFrame("note  choice test");
 //
 //				Container contentPane = frame.getContentPane();
 //				ChoiceCardContainerUI noteUI = new ChoiceCardContainerUI();
 //				noteUI.correctAnswerButtonGroup = new ButtonGroup();
 //				
 //				SimpleChoiceType sc = new SimpleChoiceType();
 //				sc.getContent().add("bob");
 //				
 ////				ChoiceCardUI a = new ChoiceCardUI(sc);
 ////				ChoiceCardUI b = new ChoiceCardUI(sc);
 ////				ChoiceCardUI c = new ChoiceCardUI(sc);
 //				
 ////				noteUI.addChoice(a);
 ////				noteUI.addChoice(b);
 ////				noteUI.addChoice(c);
 //				contentPane.add(noteUI);
 //				frame.setSize(noteUI.getPreferredSize());
 //				frame.setVisible(true);
 //			}
 //
 //		});
 //		contentPane.add(showButton);
 //
 //		frame.setSize(200, 200);
 //		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 //		frame.setVisible(true);
 	}
 
 	public int getNumOfChoices() {
 		return numOfChoices;
 	}
 
 	public void setNumOfChoices(int choicesLength) {
 		this.numOfChoices = choicesLength;
 	}
 
 	/***
 	 * @param currentChoice 
 	 * 
 	 */
 	public void addNewChoice(ChoiceCardUI currentCardUI) {
 	
 		int currentChoiceNumber = currentCardUI.getChoiceNumber();
 		//int currentChoiceNumber 
 		int newChoiceIndex = currentChoiceNumber + 1;
 		
 		// create new card add simple choice to that
 		SimpleChoiceType newSimpleChoice = JaxbQtiMarshallingUtils.getJaxbObjectFactory().createSimpleChoiceType();
 		
 		if( interaction == null ) 
 			return;
 		
 		JaxbQtiCreationUtils.addChoice(interaction, newSimpleChoice, newChoiceIndex, responseDeclarationType);
 		
 		// add new card
 		ChoiceCardUI newChoice = new ChoiceCardUI(hasCorrectAnswer,(ChoiceInteractionType) interaction, newSimpleChoice,responseDeclarationType, undoManager);
 		
 		
 		if( currentChoiceNumber == this.numOfChoices ) {
 			this.addChoice(newChoice,true);
 		} else {
 		
 			this.setChoiceIndex(0);
 			this.setNumOfChoices(0);
 
 			Component[] components = this.getComponents();
 
 			this.removeAll();
 			this.addHeaderPanel();
 			
 			for (int i = 1; i < components.length; i++) {
 				Component component = components[i];
 
 				if (i == newChoiceIndex) {
 
 					this.addChoice(newChoice);
 
 					// add the next card that the new card replaced
 					this.addChoice((ChoiceCardUI) component);
 				} else {
 					this.addChoice((ChoiceCardUI) component);
 				}// if
 
 			}// for
 			this.revalidate();
 		}// if
 	
 	}
 	
 	protected void trashCard(ChoiceCardUI choiceUI) {
 		
 		JaxbQtiCreationUtils.removeChoice(interaction, choiceUI.getSimpleChoice());
 		
 		//remove from button group
 		correctAnswerButtonGroup.remove(choiceUI.getCorrectAnswerRadio());
 		//get the index and remove component
 		this.remove(choiceUI.getChoiceNumber());
 		this.numOfChoices--;
 		this.choiceIndex--;
 		//re index all of them
 		Component[] components = this.getComponents();
 		for (int i = 1; i < components.length; i++) {
 			ChoiceCardUI cc = (ChoiceCardUI) components[i];
 			System.out.println("c numbers: " + i);
 			cc.setChoiceNumber(i);
 			
 		}// for
 		this.modButtons();
 		this.revalidate();
 	}
 
 	/***
 	 * @param interaction
 	 */
 	public void addInteraction(BlockInteractionType interaction) {
 		this.interaction = interaction;
 		
 	}
 	
 	
 	
 	
 }