package org.eparapher.rcp.dialog;


import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eparapher.rcp.tools.GUIIcons;

public class PINDialog extends Dialog {

	private static final long serialVersionUID = 1L;

	private String PINorPassword;

    public boolean recieved;
    //GUI Settings
    private static final int panelheight = 100;
    private static final int panelwidth = 350;
   
    //GUI Objects
    private Text   txtPassword;
    private Label  txtLabel;
    private Button butOK;
    private Button butCancel;

    private static PINDialog singleton = null;
    
    public static PINDialog getInstance() {
    	if (singleton == null)
    		singleton = new PINDialog(Display.getDefault().getActiveShell());
    	return singleton;

    }

	public PINDialog(Shell activeShell) {
		
		super(activeShell);
		String title   = "Secret Protecting your Keystore";
		String message = "Enter you passphrase : ";
		/*
		Display display = Display.getDefault();
		Shell shell = new Shell(SWT.NONE);
	    shell.setSize(panelwidth, panelheight);*/
		activeShell.setLocation(0,0);
		activeShell.setText(title);
		activeShell.setLayout(new GridLayout());

	    final Composite composite = new Composite(activeShell, SWT.BORDER );
	    final GridLayout gridLayout = new GridLayout();
	    //gridLayout.makeColumnsEqualWidth = true;
	    gridLayout.verticalSpacing = 15;
	    gridLayout.numColumns = 2;
	    composite.setLayout(gridLayout);
	    
        //GUI Elements
        txtPassword = new Text(composite,SWT.PASSWORD | SWT.BORDER |SWT.SINGLE);
        txtLabel = new Label(composite,SWT.NONE);
        txtLabel.setText("Code PIN :");
        
        butOK = new Button(composite,SWT.NONE);
        butOK.setText("OK");
        butOK.setImage(GUIIcons.OK_ICON_IMAGE);
        butCancel = new Button(composite,SWT.NONE);
        butCancel.setText("Cancel");
        butCancel.setImage(GUIIcons.KO_ICON_IMAGE);
        
        //GUI Settings        
        //PINDialogActionListener actionlistener = new PINDialogActionListener();
        //butOK.addActionListener(actionlistener);
        //butCancel.addActionListener(actionlistener);
        
        //gestion du bouton entree
        PINDialogKeyAdapter keyadapter = new PINDialogKeyAdapter();
        txtPassword.addKeyListener(keyadapter);
        
        // Gestion du bouton "fermer la fenetre"
        //PINDialogWindowAdapter windowadapter = new PINDialogWindowAdapter(); 
        //addWindowListener(windowadapter);
        
        //setResizable(false);
        //Dimension dimension = getToolkit().getScreenSize();
        //Rectangle rectangle = getBounds();
        //setLocation((dimension.width - rectangle.width) / 2, (dimension.height - rectangle.height) / 2);
        //setVisible(false);
	}

	public void prompt() {
    	//setVisible(true);
    	//toFront();
    	//requestFocusInWindow();
	}

	public String getPINorPassword() {
		String myPIN = this.PINorPassword;
		this.PINorPassword = null;
		this.txtPassword.setText("");
		return myPIN;
	}
	class PINDialogKeyAdapter implements KeyListener {

        public void keyPressed(KeyEvent keyevent) {
        	//Catch a key : validate if enter is pressed
            if(keyevent.keyCode == 10) {
               	PINorPassword = new String ( txtPassword.getText() );
                //setVisible(false);
                recieved = true;
            }
        }

		public void keyReleased(KeyEvent e) {
			
		}

    }
	/*
    //GUI Events
	class  PINDialogActionListener   implements ActionListener {

	    public void actionPerformed(ActionEvent actionevent) {
	            Object obj = actionevent.getSource();
	            if(obj == butOK)
	            {
	                try
	                {
	                	PINorPassword = new String ( txtPassword.getPassword() );
	                }
	                catch(Exception _ex)
	                {
	                	PINorPassword = null;
	                }
	            }
	            if(obj == butCancel)
	            {
	            	PINorPassword = null;
	            }
                setVisible(false);
                recieved = true;
	            
	        }

	    }*/
	/*
    //GUI Events
	class PINDialogWindowAdapter extends  WindowAdapter {

        public void windowClosing(WindowEvent windowevent)
        {
        	PINorPassword = null;
            recieved = true;
            setVisible(false);
            dispose();
        }

    }*/
}