/**
    * 
    */
   package unbbayes.gui.util;
   
   import java.awt.BorderLayout;
   import java.awt.Cursor;
   import java.awt.Dialog;
   import java.awt.Dimension;
  import java.awt.FlowLayout;
  import java.awt.Frame;
  import java.awt.GraphicsConfiguration;
  import java.awt.HeadlessException;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  import java.awt.print.PageFormat;
  import java.awt.print.PrinterException;
  import java.util.ResourceBundle;
  
  import javax.swing.JButton;
  import javax.swing.JDialog;
  import javax.swing.JOptionPane;
  import javax.swing.JPanel;
  import javax.swing.JScrollPane;
  import javax.swing.JTextArea;
  
  import unbbayes.controller.IconController;
  import unbbayes.controller.PrintMonitor;
  import unbbayes.controller.PrintPreviewer;
  import unbbayes.controller.PrintText;
  
  /**
   * This is a default dialog containing a text field
   * to show string messages.
   * This can be useful to present a simple text message to a user.
   * @author Shou Matsumoto
   *
   */
  public class TextAreaDialog extends JDialog {
  
  	private JTextArea textArea;
  	
  	/** Load resource file from this package */
  	private ResourceBundle resource = unbbayes.util.ResourceController.newInstance().getBundle(
  			unbbayes.gui.resources.GuiResources.class.getName());
  
  	private JScrollPane jspText;
  
  	private IconController iconController;
  
  	private JPanel topPanel;
  
  	private JButton printButton;
  
  	private JButton previewButton;
  
  	private JPanel buttonPanel;
  
  	private JPanel bottomPanel;
  
  	/**
  	 * Creates a non-modal dialog without a title and without a specified Frame owner. A shared, hidden frame will be set as the owner of the dialog. 
  	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
  	 * @throws HeadlessException :  if GraphicsEnvironment.isHeadless() returns true
  	 */
  	public TextAreaDialog() throws HeadlessException {
  		super();
  	}
  	
  	/**
  	 * Creates a non-modal dialog without a title with the specified Frame as its owner. If owner is null, a shared, hidden frame will be set as the owner of the dialog. 
  	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale
  	 * @param owner
  	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
  	 */
  	public TextAreaDialog(Frame owner) throws HeadlessException {
  		super(owner);
  		this.initLog();
  	}
  
  	/**
  	 * Creates a non-modal dialog without a title with the specified Dialog as its owner. 
  	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
  	 * @param owner
  	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
  	 */
  	public TextAreaDialog(Dialog owner) throws HeadlessException {
  		super(owner);
  		this.initLog();
  	}
  
  	/**
  	 * Creates a modal or non-modal dialog without a title and with the specified owner Frame. If owner is null, a shared, hidden frame will be set as the owner of the dialog. 
  	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
  	 * @param owner
  	 * @param modal : true for a modal dialog, false for one that allows others windows to be active at the same time
  	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
  	 */
  	public TextAreaDialog(Frame owner, boolean modal) throws HeadlessException {
 		super(owner, modal);
 		this.initLog();
 	}
 
 	/**
 	 * Creates a non-modal dialog with the specified title and with the specified owner frame. If owner is null, a shared, hidden frame will be set as the owner of the dialog. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param title
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Frame owner, String title) throws HeadlessException {
 		super(owner, title);
 		this.initLog();
 		this.setTitle(title);
 	}
 
 	/**
 	 * Creates a modal or non-modal dialog without a title and with the specified owner dialog. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param modal : true for a modal dialog, false for one that allows others windows to be active at the same time
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Dialog owner, boolean modal) throws HeadlessException {
 		super(owner, modal);
 		this.initLog();
 	}
 
 	/**
 	 * Creates a non-modal dialog with the specified title and with the specified owner dialog. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param title
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Dialog owner, String title) throws HeadlessException {
 		super(owner, title);
 		this.initLog();
 		this.setTitle(title);
 	}
 
 	/**
 	 * Creates a modal or non-modal dialog with the specified title and the specified owner Frame. If owner is null, a shared, hidden frame will be set as the owner of this dialog. All constructors defer to this one. 
 	 * NOTE: Any popup components (JComboBox, JPopupMenu, JMenuBar) created within a modal dialog will be forced to be lightweight. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param title
 	 * @param modal : true for a modal dialog, false for one that allows others windows to be active at the same time
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Frame owner, String title, boolean modal)
 			throws HeadlessException {
 		super(owner, title, modal);
 		this.initLog();
 		this.setTitle(title);
 	}
 
 	/**
 	 * Creates a modal or non-modal dialog with the specified title and the specified owner frame. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param title
 	 * @param modal : true for a modal dialog, false for one that allows others windows to be active at the same time
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Dialog owner, String title, boolean modal)
 			throws HeadlessException {
 		super(owner, title, modal);
 		this.initLog();
 		this.setTitle(title);
 	}
 
 	/**
 	 * Creates a modal or non-modal dialog with the specified title, owner Frame, and GraphicsConfiguration. 
 	 * NOTE: Any popup components (JComboBox, JPopupMenu, JMenuBar) created within a modal dialog will be forced to be lightweight. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param title
 	 * @param modal : true for a modal dialog, false for one that allows others windows to be active at the same time
 	 * @param gc
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Frame owner, String title, boolean modal,
 			GraphicsConfiguration gc) {
 		super(owner, title, modal, gc);
 		this.initLog();
 		this.setTitle(title);
 	}
 
 	/**
 	 * Creates a modal or non-modal dialog with the specified title, owner Dialog, and GraphicsConfiguration. 
 	 * NOTE: Any popup components (JComboBox, JPopupMenu, JMenuBar) created within a modal dialog will be forced to be lightweight. 
 	 * This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale. 
 	 * @param owner
 	 * @param title
 	 * @param modal : true for a modal dialog, false for one that allows others windows to be active at the same time
 	 * @param gc
 	 * @throws HeadlessException : if GraphicsEnvironment.isHeadless() returns true
 	 */
 	public TextAreaDialog(Dialog owner, String title, boolean modal,
 			GraphicsConfiguration gc) throws HeadlessException {
 		super(owner, title, modal, gc);
 		this.initLog();
 		this.setTitle(title);
 	}
 	
 	/**
      * Initializes a default log dialog setting its attributes.
      * This is called by every constructors
      */
     protected void initLog() {
     	this.getOwner().setCursor(new Cursor(Cursor.WAIT_CURSOR));
 
     	this.getTextArea().setEditable(false);
         
     	this.getTextArea().moveCaretPosition(0);
     	this.getTextArea().setSelectionEnd(0);
 
     	this.getTextArea().setSize(this.getTextArea().getPreferredSize());
     	this.getTextArea().append("\n");
 
         jspText = new JScrollPane(this.getTextArea());
         jspText.setPreferredSize(new Dimension(450, 400));
 
         iconController = IconController.getInstance();
         topPanel = new JPanel(new BorderLayout());
         printButton = new JButton(iconController.getPrintIcon());
         printButton.setToolTipText(resource.getString("printLogToolTip"));
         previewButton = new JButton(iconController.getVisualizeIcon());
         previewButton.setToolTipText(resource.getString("previewLogToolTip"));
         printButton.addActionListener(
             new ActionListener() {
                 public void actionPerformed(ActionEvent ae) {
                     printText(getTextArea());
                 }
             });
         previewButton.addActionListener(
             new ActionListener() {
                 public void actionPerformed(ActionEvent ae) {
                     previewPrintText(getTextArea(), TextAreaDialog.this);
                 }
             });
 
         topPanel.add(jspText, BorderLayout.CENTER);
 
         buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
         buttonPanel.add(printButton);
         buttonPanel.add(previewButton);
         topPanel.add(buttonPanel, BorderLayout.NORTH);
 
         bottomPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
         JButton botaoOK = new JButton(resource.getString("closeButtonLabel"));
         botaoOK.addActionListener(
             new ActionListener() {
                 public void actionPerformed(ActionEvent ae) {
                     TextAreaDialog.this.dispose();
                 }
             });
 
 
         bottomPanel.add(botaoOK);
         topPanel.add(bottomPanel, BorderLayout.SOUTH);
 
         this.getContentPane().add(topPanel);
         this.setTitle(resource.getString("logDialogTitle")); 
         
         this.getOwner().setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
         
     }
     
     
     /**
      * Preview the log printing.
      * This is called inside the action listener of {@link #getPreviewButton()}
      */
     protected void previewPrintText(final JTextArea texto, final JDialog dialog) {
         this.setCursor(new Cursor(Cursor.WAIT_CURSOR));
         Thread t = new Thread(new Runnable() {
           public void run() {
             PrintText it = new PrintText(texto,
                 new PageFormat());
             PrintPreviewer pp = new PrintPreviewer(
                 it, 0);
 
             JDialog dlg = new JDialog(dialog,
                 resource.getString("previewLogToolTip"));
             dlg.getContentPane().add(pp);
             dlg.setSize(640, 480);
             dlg.setVisible(true);
           }
         });
 
         t.start();
         this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
     }
     
     /**
      * Print the log contained in the given <code>JTextArea</code>.
      * This is called inside the action listener of {@link #getPrintButton()}
      * @param textArea The text area containing the log.
      */
     public void printText(final JTextArea textArea) {
         Thread t = new Thread(new Runnable() {
           public void run() {
             PrintText it = new PrintText(textArea,
                 new PageFormat());
             PrintMonitor pm = new PrintMonitor(it);
             try {
               pm.performPrint(true);
             } catch (PrinterException pe) {
               JOptionPane.showMessageDialog(
             	  TextAreaDialog.this.getOwner(),
                   resource.getString("printException") +
                   pe.getMessage());
             }
           }
         });
         t.start();
     }
 
 	/**
 	 * @return the resource
 	 */
 	public ResourceBundle getResource() {
 		return resource;
 	}
 
 	/**
 	 * @param resource the resource to set
 	 */
 	public void setResource(ResourceBundle resource) {
 		this.resource = resource;
 	}
 
 	/**
 	 * This is the main text area
 	 * @return the textArea : non-null value
 	 */
 	public JTextArea getTextArea() {
 		if (this.textArea == null) {
 			this.textArea = new JTextArea();
 		}
 		return this.textArea;
 	}
 
 	/**
 	 * This is the main text area
 	 * @param textArea the textArea to set
 	 */
 	public void setTextArea(JTextArea textArea) {
 		this.textArea = textArea;
 	}
 
 	/**
 	 * This is equivalent to {@link JTextArea#getText()} from {@link #getTextArea()}
 	 * @return the logContent
 	 * @see #getTextArea()
 	 */
 	public String getTextContent() {
 		return this.getTextArea().getText();
 	}
 
 	/**
 	 * This is equivalent to {@link JTextArea#setText(String)} from {@link #getTextArea()}
 	 * @param textContent the logContent to set
 	 * @see #getTextArea()
 	 */
 	public void setTextContent(String textContent) {
 		this.getTextArea().setText(textContent);
 	}
 
 	/**
 	 * @return the jspText
 	 */
 	public JScrollPane getJspText() {
 		return jspText;
 	}
 
 	/**
 	 * @param jspText the jspText to set
 	 */
 	public void setJspText(JScrollPane jspText) {
 		this.jspText = jspText;
 	}
 
 	/**
 	 * @return the iconController
 	 */
 	public IconController getIconController() {
 		return iconController;
 	}
 
 	/**
 	 * @param iconController the iconController to set
 	 */
 	public void setIconController(IconController iconController) {
 		this.iconController = iconController;
 	}
 
 	/**
 	 * @return the topPanel
 	 */
 	public JPanel getTopPanel() {
 		return topPanel;
 	}
 
 	/**
 	 * @param topPanel the topPanel to set
 	 */
 	public void setTopPanel(JPanel topPanel) {
 		this.topPanel = topPanel;
 	}
 
 	/**
 	 * @return the printButton
 	 */
 	public JButton getPrintButton() {
 		return printButton;
 	}
 
 	/**
 	 * @param printButton the printButton to set
 	 */
 	public void setPrintButton(JButton printButton) {
 		this.printButton = printButton;
 	}
 
 	/**
 	 * @return the previewButton
 	 */
 	public JButton getPreviewButton() {
 		return previewButton;
 	}
 
 	/**
 	 * @param previewButton the previewButton to set
 	 */
 	public void setPreviewButton(JButton previewButton) {
 		this.previewButton = previewButton;
 	}
 
 	/**
 	 * @return the buttonPanel
 	 */
 	public JPanel getButtonPanel() {
 		return buttonPanel;
 	}
 
 	/**
 	 * @param buttonPanel the buttonPanel to set
 	 */
 	public void setButtonPanel(JPanel buttonPanel) {
 		this.buttonPanel = buttonPanel;
 	}
 
 	/**
 	 * @return the bottomPanel
 	 */
 	public JPanel getBottomPanel() {
 		return bottomPanel;
 	}
 
 	/**
 	 * @param bottomPanel the bottomPanel to set
 	 */
 	public void setBottomPanel(JPanel bottomPanel) {
 		this.bottomPanel = bottomPanel;
 	}
 
 }