examples/org.eclipse.rap.demo.controls/src/org/eclipse/rap/demo/controls/DialogsTab.java - rap/org.eclipse.rap - Git at Google

 /*******************************************************************************
  * Copyright (c) 2002, 2012 Innoopract Informationssysteme GmbH and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *    Innoopract Informationssysteme GmbH - initial API and implementation
  *    EclipseSource - ongoing development
  ******************************************************************************/
 package org.eclipse.rap.demo.controls;

 import java.lang.reflect.InvocationTargetException;

 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.IInputValidator;
 import org.eclipse.jface.dialogs.InputDialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.window.Window;
 import org.eclipse.rap.rwt.widgets.DialogCallback;
 import org.eclipse.rap.rwt.widgets.DialogUtil;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.FontData;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.ColorDialog;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.FontDialog;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.MessageBox;


 public class DialogsTab extends ExampleTab {

   private Label inputDlgResLabel;
   private Label loginDlgResLabel;
   private Label messageDlgResLabel;
   private Label errorDlgResLabel;
   private Label messageBoxDlgResLabel;
   private Button okButton;
   private Button cancelButton;
   private Button yesButton;
   private Button noButton;
   private Button retryButton;
   private Button abortButton;
   private Button ignoreButton;
   private Button iconErrorButton;
   private Button iconInformationButton;
   private Button iconQuestionButton;
   private Button iconWarningButton;
   private Button iconWorkingButton;
   private Button noIconButton;
   private Button showMessageBoxDlgButton;
   private Button showColorDialogButton;
   private Button showFontDialogButton;
   protected boolean useDialogCallback;

   public DialogsTab() {
     super( "Dialogs" );
   }

   @Override
   protected void createStyleControls( final Composite parent ) {
     parent.setLayout( new GridLayout( 1, true ) );
     createMessageBoxStyleControls( parent );
   }

   @Override
   protected void createExampleControls( final Composite parent ) {
     parent.setLayout( new GridLayout() );
     Group group1 = new Group( parent, SWT.NONE );
     group1.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
     group1.setText( "JFace Dialogs" );
     group1.setLayout( new GridLayout( 3, true ) );

     // JFace input dialog
     Button showInputDlgButton = new Button( group1, SWT.PUSH );
     showInputDlgButton.setText( "Input Dialog" );
     showInputDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showInputDialog();
       }
     } );
     showInputDlgButton.setLayoutData( createGridDataFillBoth() );
     Button showProgressDlgButton = new Button( group1, SWT.PUSH );
     showProgressDlgButton.setText( "ProgressDialog" );
     showProgressDlgButton.setLayoutData( createGridDataFillBoth() );
     showProgressDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected(final SelectionEvent e) {
         showProgressDialog();
       }
     } );
     insertSpaceLabels( group1, 1 );

     inputDlgResLabel = new Label( group1, SWT.WRAP );
     inputDlgResLabel.setText( "Result:" );
     GridData gdInputDlgResLabel = new GridData();
     gdInputDlgResLabel.horizontalSpan = 3;
     inputDlgResLabel.setLayoutData( gdInputDlgResLabel );

     Button showMessageInfoDlgButton = new Button( group1, SWT.PUSH );
     showMessageInfoDlgButton.setLayoutData( createGridDataFillBoth() );
     showMessageInfoDlgButton.setText( "Info Message" );
     showMessageInfoDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showMessageDialogInfo();
       }
     } );

     Button showMessageWarningDlgButton = new Button( group1, SWT.PUSH );
     showMessageWarningDlgButton.setLayoutData( createGridDataFillBoth() );
     showMessageWarningDlgButton.setText( "Warning Dialog" );
     showMessageWarningDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showMessageDialogWarning();
       }
     } );
     Button showMessageErrorDlgButton = new Button( group1, SWT.PUSH );
     showMessageErrorDlgButton.setLayoutData( createGridDataFillBoth() );
     showMessageErrorDlgButton.setText( "Error Message" );
     showMessageErrorDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showMessageDialogError();
       }
     } );

     Button showMessageQuestionDlgButton = new Button( group1, SWT.PUSH );
     showMessageQuestionDlgButton.setLayoutData( createGridDataFillBoth() );
     showMessageQuestionDlgButton.setText( "Question Dialog" );
     showMessageQuestionDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showMessageDialogQuestion();
       }
     } );

     Button showMessageConfirmDlgButton = new Button( group1, SWT.PUSH );
     showMessageConfirmDlgButton.setLayoutData( createGridDataFillBoth() );
     showMessageConfirmDlgButton.setText( "Confirm Message" );
     showMessageConfirmDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showMessageDialogConfirm();
       }
     } );
     insertSpaceLabels( group1, 1 );

     messageDlgResLabel = new Label( group1, SWT.WRAP );
     messageDlgResLabel.setText( "Result:" );
     insertSpaceLabels( group1, 2 );

     Button showErrorDlgButton = new Button( group1, SWT.PUSH );
     showErrorDlgButton.setLayoutData( createGridDataFillBoth() );
     showErrorDlgButton.setText( "Error Dialog" );
     showErrorDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showErrorDialog();
       }
     } );
     insertSpaceLabels( group1, 2 );

     errorDlgResLabel = new Label( group1, SWT.WRAP );
     errorDlgResLabel.setText( "Result:" );
     insertSpaceLabels( group1, 2 );


     Group group2 = new Group( parent, SWT.NONE );
     group2.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
     group2.setText( "Custom Dialogs" );
     group2.setLayout( new GridLayout( 3, true ) );

     Button showLoginDlgButton = new Button( group2, SWT.PUSH );
     showLoginDlgButton.setText( "Login Dialog" );
     showLoginDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showLoginDialog();
       }
     } );
     showLoginDlgButton.setLayoutData( createGridDataFillBoth() );
     insertSpaceLabels( group2, 2 );

     loginDlgResLabel = new Label( group2, SWT.WRAP );
     loginDlgResLabel.setText( "Result:" );

     Group swtDialogsGroup = new Group( parent, SWT.NONE );
     swtDialogsGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
     swtDialogsGroup.setText( "SWT Dialogs" );
     swtDialogsGroup.setLayout( new GridLayout( 3, true ) );

     final Button cbUseDialogCallback = new Button( swtDialogsGroup, SWT.CHECK );
     cbUseDialogCallback.setText( "Use DialogCallback" );
     cbUseDialogCallback.setSelection( useDialogCallback );
     cbUseDialogCallback.setLayoutData( new GridData( SWT.LEFT, SWT.CENTER, false, false, 3, 1 ) );
     cbUseDialogCallback.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( SelectionEvent event ) {
         useDialogCallback = cbUseDialogCallback.getSelection();
       }
     } );

     showMessageBoxDlgButton = new Button( swtDialogsGroup, SWT.PUSH );
     showMessageBoxDlgButton.setText( "MessageBox Dialog" );
     showMessageBoxDlgButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent event ) {
         showMessageBoxDialog();
       }
     } );
     showMessageBoxDlgButton.setLayoutData( createGridDataFillBoth() );

     showColorDialogButton = new Button( swtDialogsGroup, SWT.PUSH );
     showColorDialogButton.setText( "ColorDialog" );
     showColorDialogButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent e ) {
         showColorDialog();
       }
     });
     showColorDialogButton.setLayoutData( createGridDataFillBoth() );
     showFontDialogButton = new Button( swtDialogsGroup, SWT.PUSH );
     showFontDialogButton.setText( "FontDialog" );
     showFontDialogButton.addSelectionListener( new SelectionAdapter() {
       @Override
       public void widgetSelected( final SelectionEvent e ) {
         showFontDialog();
       }
     });
     showFontDialogButton.setLayoutData( createGridDataFillBoth() );

     messageBoxDlgResLabel = new Label( swtDialogsGroup, SWT.WRAP );
     messageBoxDlgResLabel.setText( "Result:" );
     GridData gdMessageBoxDlgResLabel = new GridData();
     gdMessageBoxDlgResLabel.horizontalSpan = 3;
     messageBoxDlgResLabel.setLayoutData( gdMessageBoxDlgResLabel );
   }

   private GridData createGridDataFillBoth() {
     return new GridData( GridData.FILL_BOTH );
   }

   private void insertSpaceLabels( final Group group, final int count ) {
     for( int i = 0; i < count; i++ ) {
       new Label( group, SWT.NONE );
     }
   }

   private void showInputDialog() {
     final IInputValidator val = new IInputValidator() {
       public String isValid( final String newText ) {
         String result = null;
         if( newText.length() < 5 ) {
           result = "Input text too short!";
         }
         return result;
       }
     };
     String title = "Input Dialog";
     String mesg = "Enter at least five characters";
     String def = "default text";
     final InputDialog dlg;
     dlg = new InputDialog( getShell(), title, mesg, def, val );
     int returnCode = dlg.open();
     String resultText = "Result: " + getReturnCodeText( returnCode );
     if( returnCode == Window.OK ) {
       resultText += ", value: " + dlg.getValue();
     }
     inputDlgResLabel.setText( resultText  );
     inputDlgResLabel.pack();
   }

   private void showProgressDialog() {
     ProgressMonitorDialog dialog = new ProgressMonitorDialog( getShell() );
     try {
       dialog.run( true, true, new IRunnableWithProgress() {
         public void run( final IProgressMonitor monitor )
           throws InvocationTargetException, InterruptedException
         {
           monitor.beginTask( "Counting from one to 20...", 20 );
           for( int i = 1; !monitor.isCanceled() && i <= 20; i++ ) {
             monitor.worked( 1 );
             Thread.sleep( 1000 );
           }
           monitor.done();
         }
       } );
     } catch( Exception e ) {
       MessageDialog.openError( getShell(), "Error", e.getMessage() );
     }
   }

   private void showMessageDialogInfo() {
     String title = "Information";
     String mesg = "RAP rocks!";
     MessageDialog.openInformation( getShell(), title, mesg );
     messageDlgResLabel.setText( "Result: none" );
     messageDlgResLabel.pack();
   }

   private void showMessageDialogError() {
     String title = "Error";
     String mesg = "An everyday error occured.\n " + "Nothing to get worried.";
     MessageDialog.openError( getShell(), title, mesg );
     messageDlgResLabel.setText( "Result: none" );
     messageDlgResLabel.pack();
   }

   private void showMessageDialogQuestion() {
     String title = "Question";
     String mesg = "Do you like the RAP technology?\n\n"
                   + "Note that you can also press <Return> here. "
                   + "The correct answer is automatically selected.";
     boolean result = MessageDialog.openQuestion( getShell(), title, mesg );
     messageDlgResLabel.setText( "Result: " + result );
     messageDlgResLabel.pack();
   }

   private void showMessageDialogConfirm() {
     String title = "Confirmation";
     String mesg = "Nothing will be done. Ok?";
     boolean result = MessageDialog.openConfirm( getShell(), title, mesg );
     messageDlgResLabel.setText( "Result: " + result );
     messageDlgResLabel.pack();
   }

   private void showMessageDialogWarning() {
     String title = "Warning";
     String mesg = "You have been warned.";
     MessageDialog.openWarning( getShell(), title, mesg );
     messageDlgResLabel.setText( "Result: none" );
     messageDlgResLabel.pack();
   }

   private void showErrorDialog() {
     String title = "Error";
     int code = 23;
     String mesg = "An absolutetly weird error occured";
     String reason = "Don't know, it just happened ...";
     Exception exception = new IndexOutOfBoundsException( "negative index: -1" );
     exception = new RuntimeException( exception );
     IStatus status = new Status( IStatus.ERROR,
                                  "org.eclipse.rap.demo",
                                  code,
                                  reason,
                                  exception );
     int returnCode = ErrorDialog.openError( getShell(), title, mesg, status );
     errorDlgResLabel.setText( "Result: " + getReturnCodeText( returnCode ) );
     errorDlgResLabel.pack();
   }

   private void showLoginDialog() {
     String message = "Please sign in with your username and password:";
     final LoginDialog loginDialog
       = new LoginDialog( getShell(), "Login", message );
     loginDialog.setUsername( "john" );
     int returnCode = loginDialog.open();
     String resultText = "Result: " + getReturnCodeText( returnCode );
     if( returnCode == Window.OK ) {
       String username = loginDialog.getUsername();
       String password = loginDialog.getPassword();
       String pwInfo = password == null ? "n/a" : password.length() + " chars";
       resultText += ", user: " + username + ", password: " + pwInfo;
     }
     loginDlgResLabel.setText( resultText );
     loginDlgResLabel.pack();
   }

   private String getReturnCodeText( final int code ) {
     String result;
     if( code == Window.OK ) {
       result = "OK";
     } else if( code == Window.CANCEL ) {
         result = "CANCEL";
     } else {
       result = String.valueOf( code );
     }
     return result ;
   }

   private void showMessageBoxDialog() {
     int style = getStyle();
     if( okButton.getEnabled() && okButton.getSelection() ) {
       style |= SWT.OK;
     }
     if( cancelButton.getEnabled() && cancelButton.getSelection() ) {
       style |= SWT.CANCEL;
     }
     if( yesButton.getEnabled() && yesButton.getSelection() ) {
       style |= SWT.YES;
     }
     if( noButton.getEnabled() && noButton.getSelection() ) {
       style |= SWT.NO;
     }
     if( retryButton.getEnabled() && retryButton.getSelection() ) {
       style |= SWT.RETRY;
     }
     if( abortButton.getEnabled() && abortButton.getSelection() ) {
       style |= SWT.ABORT;
     }
     if( ignoreButton.getEnabled() && ignoreButton.getSelection() ) {
       style |= SWT.IGNORE;
     }
     if( iconErrorButton.getEnabled() && iconErrorButton.getSelection() ) {
       style |= SWT.ICON_ERROR;
     }
     if( iconInformationButton.getEnabled()
         && iconInformationButton.getSelection() ) {
       style |= SWT.ICON_INFORMATION;
     }
     if( iconQuestionButton.getEnabled() && iconQuestionButton.getSelection() ) {
       style |= SWT.ICON_QUESTION;
     }
     if( iconWarningButton.getEnabled() && iconWarningButton.getSelection() ) {
       style |= SWT.ICON_WARNING;
     }
     if( iconWorkingButton.getEnabled() && iconWorkingButton.getSelection() ) {
       style |= SWT.ICON_WORKING;
     }
     String title = "MessageBox Title";
     String mesg = "Lorem ipsum dolor sit amet consectetuer adipiscing elit.";
     MessageBox mb = new MessageBox( getShell(), style );
     mb.setText( title );
     mb.setMessage( mesg );
     if( useDialogCallback ) {
       DialogUtil.open( mb, new DialogCallback() {
         public void dialogClosed( int returnCode ) {
           String returnCodeText = returnCodeText( returnCode );
           messageBoxDlgResLabel.setText( "Result: " + returnCodeText );
           messageBoxDlgResLabel.pack();
         }
       } );
     } else {
       int result = mb.open();
       String returnCodeText = returnCodeText( result );
       messageBoxDlgResLabel.setText( "Result: " + returnCodeText );
       messageBoxDlgResLabel.pack();
     }
   }

   private void showColorDialog() {
     final ColorDialog dialog = new ColorDialog( getShell() );
     if( useDialogCallback ) {
       DialogUtil.open( dialog, new DialogCallback() {
         public void dialogClosed( int returnCode ) {
           RGB result = dialog.getRGB();
           messageBoxDlgResLabel.setText( "Result: " + result );
           messageBoxDlgResLabel.pack();
         }
       } );
     } else {
       RGB result = dialog.open();
       messageBoxDlgResLabel.setText( "Result: " + result );
       messageBoxDlgResLabel.pack();
     }
   }

   protected void showFontDialog() {
     final FontDialog dialog = new FontDialog( getShell(), SWT.SHELL_TRIM );
     if( useDialogCallback ) {
       DialogUtil.open( dialog, new DialogCallback() {
         public void dialogClosed( int returnCode ) {
           FontData fontData = returnCode == SWT.OK ? dialog.getFontList()[ 0 ] : null;
           RGB rgb = dialog.getRGB();
           messageBoxDlgResLabel.setText( "Result: " + fontData+ " / " + rgb );
           messageBoxDlgResLabel.pack();
         }
       } );
     } else {
       FontData result = dialog.open();
       messageBoxDlgResLabel.setText( "Result: " + result + " / " + dialog.getRGB() );
       messageBoxDlgResLabel.pack();
     }
   }

   private void createMessageBoxStyleControls( final Composite parent ) {
     createButtonStyleGroup( parent );
     createIconStyleGroup( parent );
   }

   private void createButtonStyleGroup( final Composite parent ) {
     Group group = new Group( parent, SWT.NONE );
     group.setLayout( new GridLayout() );
     GridData layoutData = new GridData( SWT.FILL, SWT.FILL, false, false );
     group.setLayoutData( layoutData );
     group.setText( "SWT MessageBox Styles" );
     okButton = new Button( group, SWT.CHECK );
     okButton.setText( "SWT.OK" );
     cancelButton = new Button( group, SWT.CHECK );
     cancelButton.setText( "SWT.CANCEL" );
     yesButton = new Button( group, SWT.CHECK );
     yesButton.setText( "SWT.YES" );
     noButton = new Button( group, SWT.CHECK );
     noButton.setText( "SWT.NO" );
     retryButton = new Button( group, SWT.CHECK );
     retryButton.setText( "SWT.RETRY" );
     abortButton = new Button( group, SWT.CHECK );
     abortButton.setText( "SWT.ABORT" );
     ignoreButton = new Button( group, SWT.CHECK );
     ignoreButton.setText( "SWT.IGNORE" );
   }

   private void createIconStyleGroup( final Composite parent ) {
     Group group = new Group( parent, SWT.NONE );
     group.setLayout( new GridLayout() );
     GridData iconGroupData = new GridData( SWT.FILL, SWT.FILL, false, false );
     group.setLayoutData( iconGroupData );
     group.setText( "SWT MessageBox Icon Styles" );
     iconErrorButton = new Button( group, SWT.RADIO );
     iconErrorButton.setText( "SWT.ICON_ERROR" );
     iconInformationButton = new Button( group, SWT.RADIO );
     iconInformationButton.setText( "SWT.ICON_INFORMATION" );
     iconQuestionButton = new Button( group, SWT.RADIO );
     iconQuestionButton.setText( "SWT.ICON_QUESTION" );
     iconWarningButton = new Button( group, SWT.RADIO );
     iconWarningButton.setText( "SWT.ICON_WARNING" );
     iconWorkingButton = new Button( group, SWT.RADIO );
     iconWorkingButton.setText( "SWT.ICON_WORKING" );
     noIconButton = new Button( group, SWT.RADIO );
     noIconButton.setText( "No Icon" );
     noIconButton.setSelection( true );
   }

   private static String returnCodeText( int result ) {
     String strResult = "";
     switch( result ) {
       case SWT.OK:
         strResult = "SWT.OK";
       break;
       case SWT.YES:
         strResult = "SWT.YES";
       break;
       case SWT.NO:
         strResult = "SWT.NO";
       break;
       case SWT.CANCEL:
         strResult = "SWT.CANCEL";
       break;
       case SWT.ABORT:
         strResult = "SWT.ABORT";
       break;
       case SWT.RETRY:
         strResult = "SWT.RETRY";
       break;
       case SWT.IGNORE:
         strResult = "SWT.IGNORE";
       break;
       default:
         strResult = "" + result;
       break;
     }
     return strResult;
   }
 }
	/*******************************************************************************
	* Copyright (c) 2002, 2012 Innoopract Informationssysteme GmbH and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Innoopract Informationssysteme GmbH - initial API and implementation
	* EclipseSource - ongoing development
	******************************************************************************/
	package org.eclipse.rap.demo.controls;

	import java.lang.reflect.InvocationTargetException;

	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.dialogs.IInputValidator;
	import org.eclipse.jface.dialogs.InputDialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.dialogs.ProgressMonitorDialog;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.window.Window;
	import org.eclipse.rap.rwt.widgets.DialogCallback;
	import org.eclipse.rap.rwt.widgets.DialogUtil;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.FontData;
	import org.eclipse.swt.graphics.RGB;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.ColorDialog;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.FontDialog;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.MessageBox;


	public class DialogsTab extends ExampleTab {

	private Label inputDlgResLabel;
	private Label loginDlgResLabel;
	private Label messageDlgResLabel;
	private Label errorDlgResLabel;
	private Label messageBoxDlgResLabel;
	private Button okButton;
	private Button cancelButton;
	private Button yesButton;
	private Button noButton;
	private Button retryButton;
	private Button abortButton;
	private Button ignoreButton;
	private Button iconErrorButton;
	private Button iconInformationButton;
	private Button iconQuestionButton;
	private Button iconWarningButton;
	private Button iconWorkingButton;
	private Button noIconButton;
	private Button showMessageBoxDlgButton;
	private Button showColorDialogButton;
	private Button showFontDialogButton;
	protected boolean useDialogCallback;

	public DialogsTab() {
	super( "Dialogs" );
	}

	@Override
	protected void createStyleControls( final Composite parent ) {
	parent.setLayout( new GridLayout( 1, true ) );
	createMessageBoxStyleControls( parent );
	}

	@Override
	protected void createExampleControls( final Composite parent ) {
	parent.setLayout( new GridLayout() );
	Group group1 = new Group( parent, SWT.NONE );
	group1.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
	group1.setText( "JFace Dialogs" );
	group1.setLayout( new GridLayout( 3, true ) );

	// JFace input dialog
	Button showInputDlgButton = new Button( group1, SWT.PUSH );
	showInputDlgButton.setText( "Input Dialog" );
	showInputDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showInputDialog();
	}
	} );
	showInputDlgButton.setLayoutData( createGridDataFillBoth() );
	Button showProgressDlgButton = new Button( group1, SWT.PUSH );
	showProgressDlgButton.setText( "ProgressDialog" );
	showProgressDlgButton.setLayoutData( createGridDataFillBoth() );
	showProgressDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected(final SelectionEvent e) {
	showProgressDialog();
	}
	} );
	insertSpaceLabels( group1, 1 );

	inputDlgResLabel = new Label( group1, SWT.WRAP );
	inputDlgResLabel.setText( "Result:" );
	GridData gdInputDlgResLabel = new GridData();
	gdInputDlgResLabel.horizontalSpan = 3;
	inputDlgResLabel.setLayoutData( gdInputDlgResLabel );

	Button showMessageInfoDlgButton = new Button( group1, SWT.PUSH );
	showMessageInfoDlgButton.setLayoutData( createGridDataFillBoth() );
	showMessageInfoDlgButton.setText( "Info Message" );
	showMessageInfoDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showMessageDialogInfo();
	}
	} );

	Button showMessageWarningDlgButton = new Button( group1, SWT.PUSH );
	showMessageWarningDlgButton.setLayoutData( createGridDataFillBoth() );
	showMessageWarningDlgButton.setText( "Warning Dialog" );
	showMessageWarningDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showMessageDialogWarning();
	}
	} );
	Button showMessageErrorDlgButton = new Button( group1, SWT.PUSH );
	showMessageErrorDlgButton.setLayoutData( createGridDataFillBoth() );
	showMessageErrorDlgButton.setText( "Error Message" );
	showMessageErrorDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showMessageDialogError();
	}
	} );

	Button showMessageQuestionDlgButton = new Button( group1, SWT.PUSH );
	showMessageQuestionDlgButton.setLayoutData( createGridDataFillBoth() );
	showMessageQuestionDlgButton.setText( "Question Dialog" );
	showMessageQuestionDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showMessageDialogQuestion();
	}
	} );

	Button showMessageConfirmDlgButton = new Button( group1, SWT.PUSH );
	showMessageConfirmDlgButton.setLayoutData( createGridDataFillBoth() );
	showMessageConfirmDlgButton.setText( "Confirm Message" );
	showMessageConfirmDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showMessageDialogConfirm();
	}
	} );
	insertSpaceLabels( group1, 1 );

	messageDlgResLabel = new Label( group1, SWT.WRAP );
	messageDlgResLabel.setText( "Result:" );
	insertSpaceLabels( group1, 2 );

	Button showErrorDlgButton = new Button( group1, SWT.PUSH );
	showErrorDlgButton.setLayoutData( createGridDataFillBoth() );
	showErrorDlgButton.setText( "Error Dialog" );
	showErrorDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showErrorDialog();
	}
	} );
	insertSpaceLabels( group1, 2 );

	errorDlgResLabel = new Label( group1, SWT.WRAP );
	errorDlgResLabel.setText( "Result:" );
	insertSpaceLabels( group1, 2 );


	Group group2 = new Group( parent, SWT.NONE );
	group2.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
	group2.setText( "Custom Dialogs" );
	group2.setLayout( new GridLayout( 3, true ) );

	Button showLoginDlgButton = new Button( group2, SWT.PUSH );
	showLoginDlgButton.setText( "Login Dialog" );
	showLoginDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showLoginDialog();
	}
	} );
	showLoginDlgButton.setLayoutData( createGridDataFillBoth() );
	insertSpaceLabels( group2, 2 );

	loginDlgResLabel = new Label( group2, SWT.WRAP );
	loginDlgResLabel.setText( "Result:" );

	Group swtDialogsGroup = new Group( parent, SWT.NONE );
	swtDialogsGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
	swtDialogsGroup.setText( "SWT Dialogs" );
	swtDialogsGroup.setLayout( new GridLayout( 3, true ) );

	final Button cbUseDialogCallback = new Button( swtDialogsGroup, SWT.CHECK );
	cbUseDialogCallback.setText( "Use DialogCallback" );
	cbUseDialogCallback.setSelection( useDialogCallback );
	cbUseDialogCallback.setLayoutData( new GridData( SWT.LEFT, SWT.CENTER, false, false, 3, 1 ) );
	cbUseDialogCallback.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( SelectionEvent event ) {
	useDialogCallback = cbUseDialogCallback.getSelection();
	}
	} );

	showMessageBoxDlgButton = new Button( swtDialogsGroup, SWT.PUSH );
	showMessageBoxDlgButton.setText( "MessageBox Dialog" );
	showMessageBoxDlgButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent event ) {
	showMessageBoxDialog();
	}
	} );
	showMessageBoxDlgButton.setLayoutData( createGridDataFillBoth() );

	showColorDialogButton = new Button( swtDialogsGroup, SWT.PUSH );
	showColorDialogButton.setText( "ColorDialog" );
	showColorDialogButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent e ) {
	showColorDialog();
	}
	});
	showColorDialogButton.setLayoutData( createGridDataFillBoth() );
	showFontDialogButton = new Button( swtDialogsGroup, SWT.PUSH );
	showFontDialogButton.setText( "FontDialog" );
	showFontDialogButton.addSelectionListener( new SelectionAdapter() {
	@Override
	public void widgetSelected( final SelectionEvent e ) {
	showFontDialog();
	}
	});
	showFontDialogButton.setLayoutData( createGridDataFillBoth() );

	messageBoxDlgResLabel = new Label( swtDialogsGroup, SWT.WRAP );
	messageBoxDlgResLabel.setText( "Result:" );
	GridData gdMessageBoxDlgResLabel = new GridData();
	gdMessageBoxDlgResLabel.horizontalSpan = 3;
	messageBoxDlgResLabel.setLayoutData( gdMessageBoxDlgResLabel );
	}

	private GridData createGridDataFillBoth() {
	return new GridData( GridData.FILL_BOTH );
	}

	private void insertSpaceLabels( final Group group, final int count ) {
	for( int i = 0; i < count; i++ ) {
	new Label( group, SWT.NONE );
	}
	}

	private void showInputDialog() {
	final IInputValidator val = new IInputValidator() {
	public String isValid( final String newText ) {
	String result = null;
	if( newText.length() < 5 ) {
	result = "Input text too short!";
	}
	return result;
	}
	};
	String title = "Input Dialog";
	String mesg = "Enter at least five characters";
	String def = "default text";
	final InputDialog dlg;
	dlg = new InputDialog( getShell(), title, mesg, def, val );
	int returnCode = dlg.open();
	String resultText = "Result: " + getReturnCodeText( returnCode );
	if( returnCode == Window.OK ) {
	resultText += ", value: " + dlg.getValue();
	}
	inputDlgResLabel.setText( resultText );
	inputDlgResLabel.pack();
	}

	private void showProgressDialog() {
	ProgressMonitorDialog dialog = new ProgressMonitorDialog( getShell() );
	try {
	dialog.run( true, true, new IRunnableWithProgress() {
	public void run( final IProgressMonitor monitor )
	throws InvocationTargetException, InterruptedException
	{
	monitor.beginTask( "Counting from one to 20...", 20 );
	for( int i = 1; !monitor.isCanceled() && i <= 20; i++ ) {
	monitor.worked( 1 );
	Thread.sleep( 1000 );
	}
	monitor.done();
	}
	} );
	} catch( Exception e ) {
	MessageDialog.openError( getShell(), "Error", e.getMessage() );
	}
	}

	private void showMessageDialogInfo() {
	String title = "Information";
	String mesg = "RAP rocks!";
	MessageDialog.openInformation( getShell(), title, mesg );
	messageDlgResLabel.setText( "Result: none" );
	messageDlgResLabel.pack();
	}

	private void showMessageDialogError() {
	String title = "Error";
	String mesg = "An everyday error occured.\n " + "Nothing to get worried.";
	MessageDialog.openError( getShell(), title, mesg );
	messageDlgResLabel.setText( "Result: none" );
	messageDlgResLabel.pack();
	}

	private void showMessageDialogQuestion() {
	String title = "Question";
	String mesg = "Do you like the RAP technology?\n\n"
	+ "Note that you can also press <Return> here. "
	+ "The correct answer is automatically selected.";
	boolean result = MessageDialog.openQuestion( getShell(), title, mesg );
	messageDlgResLabel.setText( "Result: " + result );
	messageDlgResLabel.pack();
	}

	private void showMessageDialogConfirm() {
	String title = "Confirmation";
	String mesg = "Nothing will be done. Ok?";
	boolean result = MessageDialog.openConfirm( getShell(), title, mesg );
	messageDlgResLabel.setText( "Result: " + result );
	messageDlgResLabel.pack();
	}

	private void showMessageDialogWarning() {
	String title = "Warning";
	String mesg = "You have been warned.";
	MessageDialog.openWarning( getShell(), title, mesg );
	messageDlgResLabel.setText( "Result: none" );
	messageDlgResLabel.pack();
	}

	private void showErrorDialog() {
	String title = "Error";
	int code = 23;
	String mesg = "An absolutetly weird error occured";
	String reason = "Don't know, it just happened ...";
	Exception exception = new IndexOutOfBoundsException( "negative index: -1" );
	exception = new RuntimeException( exception );
	IStatus status = new Status( IStatus.ERROR,
	"org.eclipse.rap.demo",
	code,
	reason,
	exception );
	int returnCode = ErrorDialog.openError( getShell(), title, mesg, status );
	errorDlgResLabel.setText( "Result: " + getReturnCodeText( returnCode ) );
	errorDlgResLabel.pack();
	}

	private void showLoginDialog() {
	String message = "Please sign in with your username and password:";
	final LoginDialog loginDialog
	= new LoginDialog( getShell(), "Login", message );
	loginDialog.setUsername( "john" );
	int returnCode = loginDialog.open();
	String resultText = "Result: " + getReturnCodeText( returnCode );
	if( returnCode == Window.OK ) {
	String username = loginDialog.getUsername();
	String password = loginDialog.getPassword();
	String pwInfo = password == null ? "n/a" : password.length() + " chars";
	resultText += ", user: " + username + ", password: " + pwInfo;
	}
	loginDlgResLabel.setText( resultText );
	loginDlgResLabel.pack();
	}

	private String getReturnCodeText( final int code ) {
	String result;
	if( code == Window.OK ) {
	result = "OK";
	} else if( code == Window.CANCEL ) {
	result = "CANCEL";
	} else {
	result = String.valueOf( code );
	}
	return result ;
	}

	private void showMessageBoxDialog() {
	int style = getStyle();
	if( okButton.getEnabled() && okButton.getSelection() ) {
	style \|= SWT.OK;
	}
	if( cancelButton.getEnabled() && cancelButton.getSelection() ) {
	style \|= SWT.CANCEL;
	}
	if( yesButton.getEnabled() && yesButton.getSelection() ) {
	style \|= SWT.YES;
	}
	if( noButton.getEnabled() && noButton.getSelection() ) {
	style \|= SWT.NO;
	}
	if( retryButton.getEnabled() && retryButton.getSelection() ) {
	style \|= SWT.RETRY;
	}
	if( abortButton.getEnabled() && abortButton.getSelection() ) {
	style \|= SWT.ABORT;
	}
	if( ignoreButton.getEnabled() && ignoreButton.getSelection() ) {
	style \|= SWT.IGNORE;
	}
	if( iconErrorButton.getEnabled() && iconErrorButton.getSelection() ) {
	style \|= SWT.ICON_ERROR;
	}
	if( iconInformationButton.getEnabled()
	&& iconInformationButton.getSelection() ) {
	style \|= SWT.ICON_INFORMATION;
	}
	if( iconQuestionButton.getEnabled() && iconQuestionButton.getSelection() ) {
	style \|= SWT.ICON_QUESTION;
	}
	if( iconWarningButton.getEnabled() && iconWarningButton.getSelection() ) {
	style \|= SWT.ICON_WARNING;
	}
	if( iconWorkingButton.getEnabled() && iconWorkingButton.getSelection() ) {
	style \|= SWT.ICON_WORKING;
	}
	String title = "MessageBox Title";
	String mesg = "Lorem ipsum dolor sit amet consectetuer adipiscing elit.";
	MessageBox mb = new MessageBox( getShell(), style );
	mb.setText( title );
	mb.setMessage( mesg );
	if( useDialogCallback ) {
	DialogUtil.open( mb, new DialogCallback() {
	public void dialogClosed( int returnCode ) {
	String returnCodeText = returnCodeText( returnCode );
	messageBoxDlgResLabel.setText( "Result: " + returnCodeText );
	messageBoxDlgResLabel.pack();
	}
	} );
	} else {
	int result = mb.open();
	String returnCodeText = returnCodeText( result );
	messageBoxDlgResLabel.setText( "Result: " + returnCodeText );
	messageBoxDlgResLabel.pack();
	}
	}

	private void showColorDialog() {
	final ColorDialog dialog = new ColorDialog( getShell() );
	if( useDialogCallback ) {
	DialogUtil.open( dialog, new DialogCallback() {
	public void dialogClosed( int returnCode ) {
	RGB result = dialog.getRGB();
	messageBoxDlgResLabel.setText( "Result: " + result );
	messageBoxDlgResLabel.pack();
	}
	} );
	} else {
	RGB result = dialog.open();
	messageBoxDlgResLabel.setText( "Result: " + result );
	messageBoxDlgResLabel.pack();
	}
	}

	protected void showFontDialog() {
	final FontDialog dialog = new FontDialog( getShell(), SWT.SHELL_TRIM );
	if( useDialogCallback ) {
	DialogUtil.open( dialog, new DialogCallback() {
	public void dialogClosed( int returnCode ) {
	FontData fontData = returnCode == SWT.OK ? dialog.getFontList()[ 0 ] : null;
	RGB rgb = dialog.getRGB();
	messageBoxDlgResLabel.setText( "Result: " + fontData+ " / " + rgb );
	messageBoxDlgResLabel.pack();
	}
	} );
	} else {
	FontData result = dialog.open();
	messageBoxDlgResLabel.setText( "Result: " + result + " / " + dialog.getRGB() );
	messageBoxDlgResLabel.pack();
	}
	}

	private void createMessageBoxStyleControls( final Composite parent ) {
	createButtonStyleGroup( parent );
	createIconStyleGroup( parent );
	}

	private void createButtonStyleGroup( final Composite parent ) {
	Group group = new Group( parent, SWT.NONE );
	group.setLayout( new GridLayout() );
	GridData layoutData = new GridData( SWT.FILL, SWT.FILL, false, false );
	group.setLayoutData( layoutData );
	group.setText( "SWT MessageBox Styles" );
	okButton = new Button( group, SWT.CHECK );
	okButton.setText( "SWT.OK" );
	cancelButton = new Button( group, SWT.CHECK );
	cancelButton.setText( "SWT.CANCEL" );
	yesButton = new Button( group, SWT.CHECK );
	yesButton.setText( "SWT.YES" );
	noButton = new Button( group, SWT.CHECK );
	noButton.setText( "SWT.NO" );
	retryButton = new Button( group, SWT.CHECK );
	retryButton.setText( "SWT.RETRY" );
	abortButton = new Button( group, SWT.CHECK );
	abortButton.setText( "SWT.ABORT" );
	ignoreButton = new Button( group, SWT.CHECK );
	ignoreButton.setText( "SWT.IGNORE" );
	}

	private void createIconStyleGroup( final Composite parent ) {
	Group group = new Group( parent, SWT.NONE );
	group.setLayout( new GridLayout() );
	GridData iconGroupData = new GridData( SWT.FILL, SWT.FILL, false, false );
	group.setLayoutData( iconGroupData );
	group.setText( "SWT MessageBox Icon Styles" );
	iconErrorButton = new Button( group, SWT.RADIO );
	iconErrorButton.setText( "SWT.ICON_ERROR" );
	iconInformationButton = new Button( group, SWT.RADIO );
	iconInformationButton.setText( "SWT.ICON_INFORMATION" );
	iconQuestionButton = new Button( group, SWT.RADIO );
	iconQuestionButton.setText( "SWT.ICON_QUESTION" );
	iconWarningButton = new Button( group, SWT.RADIO );
	iconWarningButton.setText( "SWT.ICON_WARNING" );
	iconWorkingButton = new Button( group, SWT.RADIO );
	iconWorkingButton.setText( "SWT.ICON_WORKING" );
	noIconButton = new Button( group, SWT.RADIO );
	noIconButton.setText( "No Icon" );
	noIconButton.setSelection( true );
	}

	private static String returnCodeText( int result ) {
	String strResult = "";
	switch( result ) {
	case SWT.OK:
	strResult = "SWT.OK";
	break;
	case SWT.YES:
	strResult = "SWT.YES";
	break;
	case SWT.NO:
	strResult = "SWT.NO";
	break;
	case SWT.CANCEL:
	strResult = "SWT.CANCEL";
	break;
	case SWT.ABORT:
	strResult = "SWT.ABORT";
	break;
	case SWT.RETRY:
	strResult = "SWT.RETRY";
	break;
	case SWT.IGNORE:
	strResult = "SWT.IGNORE";
	break;
	default:
	strResult = "" + result;
	break;
	}
	return strResult;
	}
	}