package jPDFNotesSamples;

import java.net.MalformedURLException;
import java.net.URL;

import javax.swing.JApplet;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

import com.qoppa.pdf.PDFException;
import com.qoppa.pdfNotes.PDFNotesBean;

import java.awt.CardLayout;

public class PDFNotesApplet extends JApplet 
{
	public final static String STRING_FALSE = "False";
	public final static String NUMBER_FALSE = "0";
	public final static String STRING_TRUE = "True";
	public final static String NUMBER_TRUE = "1";

	private JPanel jPanel = null;
	private PDFNotesBean pdfEditor = null;

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	public void init()
	{
        this.setContentPane(getJPanel());
	}
	
	public void start()
	{
	    // Set open button visibility according to the BrowseAllowed flag.
		getPDFEditor().getToolbar().getjbOpen().setVisible (toBoolean (getParameter("BrowseAllowed")));

	    // Set print button visibility according to the PrintAllowed flag.
		getPDFEditor().getToolbar().getjbPrint().setVisible (toBoolean (getParameter ("PrintAllowed")));

	    final String url = getParameter("url");
		if (url != null && url.trim ().length() > 0)
		{
			try
			{
				getPDFEditor().loadPDF(new URL (url));
			}
			catch (MalformedURLException mue)
			{
				JOptionPane.showMessageDialog(PDFNotesApplet.this, mue.getMessage());
			}
			catch (PDFException pdfE)
			{
				JOptionPane.showMessageDialog(PDFNotesApplet.this, pdfE.getMessage());
			}
		}
	}
	
	/**
	 * This method initializes jPanel	
	 * 	
	 * @return javax.swing.JPanel	
	 */    
	private JPanel getJPanel() {
		if (jPanel == null) {
			jPanel = new JPanel();
			jPanel.setLayout(new CardLayout());
			jPanel.add(getPDFEditor(), getPDFEditor().getName());
		}
		return jPanel;
	}
	/**
	 * This method initializes PDFViewer	
	 * 	
	 * @return com.qoppa.pdfViewer.PDFViewer	
	 */    
	private PDFNotesBean getPDFEditor() {
		if (pdfEditor == null) {
			pdfEditor = new PDFNotesBean();
			pdfEditor.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.gray,1));
			pdfEditor.setName("pdfEditor");
		}
		return pdfEditor;
	}
	
	private boolean toBoolean (String str)
	{
	    if (str == null || str.equalsIgnoreCase(STRING_TRUE) || str.equalsIgnoreCase(NUMBER_TRUE))
	    {
	        return true;
	    }
	    return false;
	}
}