package se.entra.phantom.server;

/**
 * This class handles the Terminal Cut/Copy parsing option
 * of the panel CUTCOPY.
 */
public class TerminalCutCopyParsing extends VirtualComponentAdapter
{
  /**
   * Called to initialize the panel before it is displayed.
   *
   * <p>This function doesn't perform anything.
   */
  @Override
  public void onPanelCreate(VirtualPanel vp)
    {
    TerminalSettings ts=vp.getVirtualSessionManager().getTerminalFunctions().settings;
    if      ( ts.cutCopyParsing==1     ) vp.setChecked("WORD"    ,1);
    else if ( ts.cutCopyParsing==2     ) vp.setChecked("DATAONLY",1);
    else                                 vp.setChecked("FIELD"   ,1);
    }
    
  /**
   * Called to inform the listener that the panel is destroyed.
   * Here, we enable all menu items in the main terminal
   * panel.
   */
  @Override
  public void onPanelDestroy(VirtualPanel vp)
    {
    TerminalApplication ta=vp.getVirtualSessionManager().getTerminalApplication();
    if ( ta!=null )
      ta.enableTopMenuItems(true);
    }

  /**
   * Push buttons and menu items generates this event when selected.
   */
  @Override
  public void onAction(VirtualPanel vp,String controlID)
    {
    if      ( controlID.equals("CANCEL" ) )  close(vp);
    else if ( controlID.equals("OK"     ) )  performOK(vp);
    else System.out.println("#TerminalCutCopyParsing, Command ID "+controlID+" not handled");
    }

  /**
   * Closes this panel.
   */
  private void close(VirtualPanel vp)
    {
    vp.dismissPanel(1);
    }

  /**
   * Called when the close button of a panel is pressed,
   * but before any other processing has been done. If this
   * function returns false, the application close object
   * will be called (if defined), otherwise a faked keypress
   * of the Escape key is performed. If these two actions
   * failed (because there is no close object or no button or
   * menu item is connected to the Escape key), then the
   * function <code>onPanelClose</code> is called.
   *
   * @return  true  to cancel all default processing.
   */
  @Override
  public boolean onPanelClosing(VirtualPanel vp)
    {
    close(vp);
    return true;
    }
  
  /**
   * Performs the OK change.
   */
  public void performOK(VirtualPanel vp)
    {
    TerminalFunctions tf=vp.getVirtualSessionManager().getTerminalFunctions();
    TerminalSettings ts=tf.settings;
    if      ( vp.isChecked("DATAONLY")!=0 ) ts.cutCopyParsing=2;
    else if ( vp.isChecked("WORD"    )!=0 ) ts.cutCopyParsing=1;
    else ts.cutCopyParsing=0;
    tf.updateClientTerminalSettings();    
    
    // Save the changes.
    String err=tf.saveClientProperties();
    if ( err==null )
      {
      // Remove panel.
      vp.dismissPanel(0);
      return;
      }

    // Log the event.
    EventManager.logEvent(null,err,EventID.EVENTCLASS_ERROR);
    }
}