org.eclipse.scout.rt.ui.rap/src/org/eclipse/scout/rt/ui/rap/window/messagebox/RwtScoutMessageBoxDialog.java - scout/org.eclipse.scout.rt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011 BSI Business Systems Integration AG.
  * 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:
  *     BSI Business Systems Integration AG - initial API and implementation
  *******************************************************************************/
 package org.eclipse.scout.rt.ui.rap.window.messagebox;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.rap.rwt.RWT;
 import org.eclipse.scout.commons.StringUtility;
 import org.eclipse.scout.rt.client.ui.messagebox.IMessageBox;
 import org.eclipse.scout.rt.client.ui.messagebox.MessageBoxEvent;
 import org.eclipse.scout.rt.client.ui.messagebox.MessageBoxListener;
 import org.eclipse.scout.rt.ui.rap.IRwtEnvironment;
 import org.eclipse.scout.rt.ui.rap.ext.custom.StyledText;
 import org.eclipse.scout.rt.ui.rap.extension.UiDecorationExtensionPoint;
 import org.eclipse.scout.rt.ui.rap.form.fields.groupbox.layout.ButtonBarLayout;
 import org.eclipse.scout.rt.ui.rap.form.fields.groupbox.layout.ButtonBarLayoutData;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.internal.widgets.MarkupValidator;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;

 /**
  * <h3>MessageBoxDialog</h3> ...
  *
  * @since 3.7.0 June 2011
  */
 @SuppressWarnings("restriction")
 public class RwtScoutMessageBoxDialog extends Dialog {
   private static final long serialVersionUID = 1L;

   /**
    * must be sync with the patched version of RAP (org.eclipse.swt.widgets.Text.WRAP_TEXT_WITHOUT_SPACES)
    * double kept because the open source release does not know anything about this constant. It is only available in the
    * internal patched version of RAP 2.3.
    */
   public static final String WRAP_TEXT_WITHOUT_SPACES = "WrapWithoutSpaces";

   private P_ScoutMessageBoxListener m_scoutMessageBoxListener;

   private final IMessageBox m_scoutObject;
   private IRwtEnvironment m_uiEnvironment;

   private Label m_imageLabel;
   private StyledText m_introLabel;
   private StyledText m_actionLabel;

   public RwtScoutMessageBoxDialog(Shell parentShell, IMessageBox scoutObject, IRwtEnvironment uiEnvironment) {
     super(parentShell);
     m_scoutObject = scoutObject;
     m_uiEnvironment = uiEnvironment;
     int dialogStyle = SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL | SWT.RESIZE;
     setShellStyle(dialogStyle);
     setBlockOnOpen(false);
   }

   @Override
   public void create() {
     super.create();
     attachScout();
     getShell().addDisposeListener(new P_DisposeListener());
   }

   void attachScout() {
     if (m_scoutMessageBoxListener == null) {
       m_scoutMessageBoxListener = new P_ScoutMessageBoxListener();
       getScoutObject().addMessageBoxListener(m_scoutMessageBoxListener);
     }
     setTitleTextFromScout(getScoutObject().getTitle());
     setIntroTextFromScout(getScoutObject().getIntroText());
     setActionTextFromScout(getScoutObject().getActionText());
     setImageFromScout(getScoutObject().getIconId());
   }

   protected void setImageFromScout(String iconId) {
     Image icon = getUiEnvironment().getIcon(iconId);
     setImageInternal(icon);
   }

   private void setImageInternal(Image img) {
     boolean exclude = false;
     if (img == null) {
       exclude = true;
     }
     m_imageLabel.setImage(img);
     if (m_imageLabel.getLayoutData() instanceof GridData) {
       if (((GridData) m_imageLabel.getLayoutData()).exclude != exclude) {
         GridData gridData = ((GridData) m_imageLabel.getLayoutData());
         if (gridData.exclude != exclude) {
           gridData.exclude = exclude;
           m_imageLabel.getParent().getParent().layout(true, true);
           getShell().layout(true);
         }
       }
     }
   }

   protected void setTitleTextFromScout(String titleText) {
     if (titleText == null) {
       titleText = "";
     }
     getShell().setText(titleText);
     getShell().layout(true);
   }

   protected void setIntroTextFromScout(String introText) {
     boolean exclude = false;
     if (introText == null) {
       introText = "";
       exclude = true;
     }
     m_introLabel.setText(introText);
     if (m_introLabel.getLayoutData() instanceof GridData) {
       GridData gridData = ((GridData) m_introLabel.getLayoutData());
       if (gridData.exclude != exclude) {
         gridData.exclude = exclude;
         getShell().layout(true);
         m_introLabel.getParent().getParent().layout(true, true);
       }
     }
     // Hide empty labels
     m_introLabel.setVisible(StringUtility.hasText(m_introLabel.getText()));
   }

   protected void setActionTextFromScout(String actionText) {
     // When the header text is not set we would like to have the action text in
     // the header area
     if (getScoutObject().getIntroText() == null) {
       setIntroTextFromScout(actionText);
       actionText = null;
     }

     boolean exclude = false;
     if (actionText == null) {
       actionText = "";
       exclude = true;
     }
     m_actionLabel.setText(actionText);
     // Hide empty labels
     m_actionLabel.setVisible(StringUtility.hasText(m_actionLabel.getText()));
     if (m_actionLabel.getLayoutData() instanceof GridData) {
       GridData gridData = ((GridData) m_actionLabel.getLayoutData());
       if (gridData.exclude != exclude) {
         gridData.exclude = exclude;
         getShell().layout(true, true);
         m_actionLabel.getParent().getParent().layout(true, true);
       }
     }
   }

   protected void dettachScout() {
     if (m_scoutMessageBoxListener != null) {
       getScoutObject().removeMessageBoxListener(m_scoutMessageBoxListener);
       m_scoutMessageBoxListener = null;
     }
   }

   @Override
   protected Control createDialogArea(Composite parent) {
     Composite container = getUiEnvironment().getFormToolkit().createComposite(parent);
     Control header = createHeaderArea(container);
     m_actionLabel = getUiEnvironment().getFormToolkit().createStyledText(container, SWT.WRAP | SWT.LEFT | SWT.V_SCROLL);
     m_actionLabel.setEditable(false);
     m_actionLabel.setData(WRAP_TEXT_WITHOUT_SPACES, Boolean.TRUE);

     // layout
     container.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH));

     GridLayout dialogAreaLayout = new GridLayout(1, true);
     dialogAreaLayout.marginHeight = 12;
     dialogAreaLayout.marginWidth = 12;
     container.setLayout(dialogAreaLayout);

     GridData gridData = new GridData(GridData.GRAB_HORIZONTAL);
     header.setLayoutData(gridData);
     gridData = new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_BOTH);
     gridData.horizontalIndent = 5;
     m_actionLabel.setLayoutData(gridData);

     // No control in the dialog area should be in the tab list
     container.setTabList(new Control[]{});
     return container;
   }

   private Control createHeaderArea(Composite parent) {
     Composite container = getUiEnvironment().getFormToolkit().createComposite(parent);
     m_imageLabel = getUiEnvironment().getFormToolkit().createLabel(container, "");
     m_introLabel = getUiEnvironment().getFormToolkit().createStyledText(container, SWT.WRAP | SWT.LEFT | SWT.V_SCROLL);
     m_introLabel.setData(WRAP_TEXT_WITHOUT_SPACES, Boolean.TRUE);
     m_introLabel.setEditable(false);
     m_introLabel.setData(RWT.MARKUP_ENABLED, Boolean.TRUE);
     //Unsafe configuration. Size for h1, h2, h3.. tags isn't well calculated at the first time
     m_introLabel.setData(MarkupValidator.MARKUP_VALIDATION_DISABLED, Boolean.TRUE);

     // layout
     GridLayout headerLayout = new GridLayout(2, false);
     headerLayout.marginBottom = 7;
     headerLayout.marginWidth = 0;
     headerLayout.horizontalSpacing = 5;
     container.setLayout(headerLayout);
     GridData gridData = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
     gridData.exclude = true;
     m_imageLabel.setLayoutData(gridData);
     gridData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
     gridData.horizontalIndent = 7;
     gridData.verticalIndent = 0;
     gridData.exclude = true;
     m_introLabel.setLayoutData(gridData);
     return container;
   }

   @Override
   protected Control createButtonBar(Composite parent) {
     if (getScoutObject().getYesButtonText() == null
         && getScoutObject().getNoButtonText() == null
         && getScoutObject().getCancelButtonText() == null
         && getScoutObject().getHiddenText() == null) {
       return null;
     }
     Composite buttonArea = getUiEnvironment().getFormToolkit().createComposite(parent);

     int inset = 10;
     Button defaultButton = null;

     // Set the background color of the button bar
     buttonArea.setBackground(getUiEnvironment().getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

     // yes button
     if (getScoutObject().getYesButtonText() != null) {
       Button yesButton = createButton(buttonArea, getScoutObject().getYesButtonText(), null, IMessageBox.YES_OPTION);
       ButtonBarLayoutData data = new ButtonBarLayoutData();
       data.insetTop = inset;
       data.insetBottom = inset;
       data.insetRight = inset;
       yesButton.setLayoutData(data);
       defaultButton = (defaultButton == null ? yesButton : defaultButton);
     }
     if (getScoutObject().getNoButtonText() != null) {
       Button noButton = createButton(buttonArea, getScoutObject().getNoButtonText(), null, IMessageBox.NO_OPTION);
       ButtonBarLayoutData data = new ButtonBarLayoutData();
       data.insetTop = inset;
       data.insetBottom = inset;
       data.insetRight = inset;
       noButton.setLayoutData(data);
       defaultButton = (defaultButton == null ? noButton : defaultButton);
     }
     if (getScoutObject().getCancelButtonText() != null) {
       Button cancelButton = createButton(buttonArea, getScoutObject().getCancelButtonText(), null, IMessageBox.CANCEL_OPTION);
       ButtonBarLayoutData data = new ButtonBarLayoutData();
       data.insetTop = inset;
       data.insetBottom = inset;
       data.insetRight = inset;
       cancelButton.setLayoutData(data);
       defaultButton = (defaultButton == null ? cancelButton : defaultButton);
     }
     // Set default button
     if (defaultButton != null) {
       defaultButton.setFocus();
       getShell().setDefaultButton(defaultButton);
     }

     // layout
     GridData gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
     buttonArea.setLayoutData(gridData);

     ButtonBarLayout layout = new ButtonBarLayout(SWT.RIGHT);
     layout.horizontalGap = 0;
     buttonArea.setLayout(layout);
     return buttonArea;
   }

   protected Button createButton(Composite parent, String text, String iconId, int buttonId) {
     Button b = getUiEnvironment().getFormToolkit().createButton(parent, text, SWT.PUSH);
     if (iconId != null) {
       b.setImage(getUiEnvironment().getIcon(iconId));
     }
     if (buttonId >= 0) {
       b.addSelectionListener(new P_RwtButtonListener(buttonId));
     }
     return b;
   }

   @Override
   protected Point getInitialSize() {
     // get the preferred width of the button bar
     Point buttonBarSize = getButtonBar() == null ? new Point(0, 0) : getButtonBar().computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

     // get the preferred height of the control
     Point initialSize = getShell().computeSize(UiDecorationExtensionPoint.getLookAndFeel().getMessageBoxMinWidth(), SWT.DEFAULT, true);

     // The width and height of the messageBox is defined in the lookAndFeel extension point.
     // If we have a lot of big buttons we would like to scale the dialog in order to show every button. In this case the width of the button bar is used.
     initialSize.x = Math.max(buttonBarSize.x + 20, UiDecorationExtensionPoint.getLookAndFeel().getMessageBoxMinWidth());
     initialSize.y = Math.max(initialSize.y, UiDecorationExtensionPoint.getLookAndFeel().getMessageBoxMinHeight());
     return initialSize;
   }

   @Override
   public int open() {
     if (getShell() == null || getShell().isDisposed()) {
       create();
     }
     initializeBounds();
     return super.open();
   }

   @Override
   public boolean close() {
     handleUiButtonSelection(IMessageBox.CANCEL_OPTION);
     return false;
   }

   public void closeNoFire() {
     super.close();
   }

   private IRwtEnvironment getUiEnvironment() {
     return m_uiEnvironment;
   }

   public IMessageBox getScoutObject() {
     return m_scoutObject;
   }

   /*
    * event handlers
    */
   protected void handleScoutMessageBoxClosed(MessageBoxEvent e) {
     // dialog model detach
     dettachScout();
     closeNoFire();
   }

   private void handleUiButtonSelection(final int buttonId) {
     Runnable j = new Runnable() {
       @Override
       public void run() {
         getScoutObject().getUIFacade().setResultFromUI(buttonId);
       }
     };
     getUiEnvironment().invokeScoutLater(j, 0);
   }

   private class P_RwtButtonListener extends SelectionAdapter {
     private static final long serialVersionUID = 1L;

     private final int m_buttonId;

     P_RwtButtonListener(int buttonId) {
       m_buttonId = buttonId;
     }

     @Override
     public void widgetSelected(SelectionEvent e) {
       handleUiButtonSelection(m_buttonId);
     }

   } // end class P_RwtButtonListener

   /*
    * other observers
    */
   private class P_ScoutMessageBoxListener implements MessageBoxListener {
     @Override
     public void messageBoxChanged(final MessageBoxEvent e) {
       switch (e.getType()) {
         case MessageBoxEvent.TYPE_CLOSED: {
           Runnable t = new Runnable() {
             @Override
             public void run() {
               switch (e.getType()) {
                 case MessageBoxEvent.TYPE_CLOSED: {
                   handleScoutMessageBoxClosed(e);
                   break;
                 }
               }
             }
           };
           getUiEnvironment().invokeUiLater(t);
           break;
         }
       }
     }
   }// end private class

   private class P_DisposeListener implements DisposeListener {

     private static final long serialVersionUID = 1L;

     @Override
     public void widgetDisposed(DisposeEvent event) {
       dettachScout();
     }

   }
 }
	/*******************************************************************************
	* Copyright (c) 2011 BSI Business Systems Integration AG.
	* 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:
	* BSI Business Systems Integration AG - initial API and implementation
	*******************************************************************************/
	package org.eclipse.scout.rt.ui.rap.window.messagebox;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.rap.rwt.RWT;
	import org.eclipse.scout.commons.StringUtility;
	import org.eclipse.scout.rt.client.ui.messagebox.IMessageBox;
	import org.eclipse.scout.rt.client.ui.messagebox.MessageBoxEvent;
	import org.eclipse.scout.rt.client.ui.messagebox.MessageBoxListener;
	import org.eclipse.scout.rt.ui.rap.IRwtEnvironment;
	import org.eclipse.scout.rt.ui.rap.ext.custom.StyledText;
	import org.eclipse.scout.rt.ui.rap.extension.UiDecorationExtensionPoint;
	import org.eclipse.scout.rt.ui.rap.form.fields.groupbox.layout.ButtonBarLayout;
	import org.eclipse.scout.rt.ui.rap.form.fields.groupbox.layout.ButtonBarLayoutData;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.internal.widgets.MarkupValidator;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;

	/**
	* <h3>MessageBoxDialog</h3> ...
	*
	* @since 3.7.0 June 2011
	*/
	@SuppressWarnings("restriction")
	public class RwtScoutMessageBoxDialog extends Dialog {
	private static final long serialVersionUID = 1L;

	/**
	* must be sync with the patched version of RAP (org.eclipse.swt.widgets.Text.WRAP_TEXT_WITHOUT_SPACES)
	* double kept because the open source release does not know anything about this constant. It is only available in the
	* internal patched version of RAP 2.3.
	*/
	public static final String WRAP_TEXT_WITHOUT_SPACES = "WrapWithoutSpaces";

	private P_ScoutMessageBoxListener m_scoutMessageBoxListener;

	private final IMessageBox m_scoutObject;
	private IRwtEnvironment m_uiEnvironment;

	private Label m_imageLabel;
	private StyledText m_introLabel;
	private StyledText m_actionLabel;

	public RwtScoutMessageBoxDialog(Shell parentShell, IMessageBox scoutObject, IRwtEnvironment uiEnvironment) {
	super(parentShell);
	m_scoutObject = scoutObject;
	m_uiEnvironment = uiEnvironment;
	int dialogStyle = SWT.DIALOG_TRIM \| SWT.APPLICATION_MODAL \| SWT.RESIZE;
	setShellStyle(dialogStyle);
	setBlockOnOpen(false);
	}

	@Override
	public void create() {
	super.create();
	attachScout();
	getShell().addDisposeListener(new P_DisposeListener());
	}

	void attachScout() {
	if (m_scoutMessageBoxListener == null) {
	m_scoutMessageBoxListener = new P_ScoutMessageBoxListener();
	getScoutObject().addMessageBoxListener(m_scoutMessageBoxListener);
	}
	setTitleTextFromScout(getScoutObject().getTitle());
	setIntroTextFromScout(getScoutObject().getIntroText());
	setActionTextFromScout(getScoutObject().getActionText());
	setImageFromScout(getScoutObject().getIconId());
	}

	protected void setImageFromScout(String iconId) {
	Image icon = getUiEnvironment().getIcon(iconId);
	setImageInternal(icon);
	}

	private void setImageInternal(Image img) {
	boolean exclude = false;
	if (img == null) {
	exclude = true;
	}
	m_imageLabel.setImage(img);
	if (m_imageLabel.getLayoutData() instanceof GridData) {
	if (((GridData) m_imageLabel.getLayoutData()).exclude != exclude) {
	GridData gridData = ((GridData) m_imageLabel.getLayoutData());
	if (gridData.exclude != exclude) {
	gridData.exclude = exclude;
	m_imageLabel.getParent().getParent().layout(true, true);
	getShell().layout(true);
	}
	}
	}
	}

	protected void setTitleTextFromScout(String titleText) {
	if (titleText == null) {
	titleText = "";
	}
	getShell().setText(titleText);
	getShell().layout(true);
	}

	protected void setIntroTextFromScout(String introText) {
	boolean exclude = false;
	if (introText == null) {
	introText = "";
	exclude = true;
	}
	m_introLabel.setText(introText);
	if (m_introLabel.getLayoutData() instanceof GridData) {
	GridData gridData = ((GridData) m_introLabel.getLayoutData());
	if (gridData.exclude != exclude) {
	gridData.exclude = exclude;
	getShell().layout(true);
	m_introLabel.getParent().getParent().layout(true, true);
	}
	}
	// Hide empty labels
	m_introLabel.setVisible(StringUtility.hasText(m_introLabel.getText()));
	}

	protected void setActionTextFromScout(String actionText) {
	// When the header text is not set we would like to have the action text in
	// the header area
	if (getScoutObject().getIntroText() == null) {
	setIntroTextFromScout(actionText);
	actionText = null;
	}

	boolean exclude = false;
	if (actionText == null) {
	actionText = "";
	exclude = true;
	}
	m_actionLabel.setText(actionText);
	// Hide empty labels
	m_actionLabel.setVisible(StringUtility.hasText(m_actionLabel.getText()));
	if (m_actionLabel.getLayoutData() instanceof GridData) {
	GridData gridData = ((GridData) m_actionLabel.getLayoutData());
	if (gridData.exclude != exclude) {
	gridData.exclude = exclude;
	getShell().layout(true, true);
	m_actionLabel.getParent().getParent().layout(true, true);
	}
	}
	}

	protected void dettachScout() {
	if (m_scoutMessageBoxListener != null) {
	getScoutObject().removeMessageBoxListener(m_scoutMessageBoxListener);
	m_scoutMessageBoxListener = null;
	}
	}

	@Override
	protected Control createDialogArea(Composite parent) {
	Composite container = getUiEnvironment().getFormToolkit().createComposite(parent);
	Control header = createHeaderArea(container);
	m_actionLabel = getUiEnvironment().getFormToolkit().createStyledText(container, SWT.WRAP \| SWT.LEFT \| SWT.V_SCROLL);
	m_actionLabel.setEditable(false);
	m_actionLabel.setData(WRAP_TEXT_WITHOUT_SPACES, Boolean.TRUE);

	// layout
	container.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL \| GridData.GRAB_VERTICAL \| GridData.FILL_BOTH));

	GridLayout dialogAreaLayout = new GridLayout(1, true);
	dialogAreaLayout.marginHeight = 12;
	dialogAreaLayout.marginWidth = 12;
	container.setLayout(dialogAreaLayout);

	GridData gridData = new GridData(GridData.GRAB_HORIZONTAL);
	header.setLayoutData(gridData);
	gridData = new GridData(GridData.GRAB_HORIZONTAL \| GridData.FILL_BOTH);
	gridData.horizontalIndent = 5;
	m_actionLabel.setLayoutData(gridData);

	// No control in the dialog area should be in the tab list
	container.setTabList(new Control[]{});
	return container;
	}

	private Control createHeaderArea(Composite parent) {
	Composite container = getUiEnvironment().getFormToolkit().createComposite(parent);
	m_imageLabel = getUiEnvironment().getFormToolkit().createLabel(container, "");
	m_introLabel = getUiEnvironment().getFormToolkit().createStyledText(container, SWT.WRAP \| SWT.LEFT \| SWT.V_SCROLL);
	m_introLabel.setData(WRAP_TEXT_WITHOUT_SPACES, Boolean.TRUE);
	m_introLabel.setEditable(false);
	m_introLabel.setData(RWT.MARKUP_ENABLED, Boolean.TRUE);
	//Unsafe configuration. Size for h1, h2, h3.. tags isn't well calculated at the first time
	m_introLabel.setData(MarkupValidator.MARKUP_VALIDATION_DISABLED, Boolean.TRUE);

	// layout
	GridLayout headerLayout = new GridLayout(2, false);
	headerLayout.marginBottom = 7;
	headerLayout.marginWidth = 0;
	headerLayout.horizontalSpacing = 5;
	container.setLayout(headerLayout);
	GridData gridData = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
	gridData.exclude = true;
	m_imageLabel.setLayoutData(gridData);
	gridData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING \| GridData.GRAB_HORIZONTAL \| GridData.GRAB_VERTICAL \| GridData.FILL_BOTH);
	gridData.horizontalIndent = 7;
	gridData.verticalIndent = 0;
	gridData.exclude = true;
	m_introLabel.setLayoutData(gridData);
	return container;
	}

	@Override
	protected Control createButtonBar(Composite parent) {
	if (getScoutObject().getYesButtonText() == null
	&& getScoutObject().getNoButtonText() == null
	&& getScoutObject().getCancelButtonText() == null
	&& getScoutObject().getHiddenText() == null) {
	return null;
	}
	Composite buttonArea = getUiEnvironment().getFormToolkit().createComposite(parent);

	int inset = 10;
	Button defaultButton = null;

	// Set the background color of the button bar
	buttonArea.setBackground(getUiEnvironment().getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

	// yes button
	if (getScoutObject().getYesButtonText() != null) {
	Button yesButton = createButton(buttonArea, getScoutObject().getYesButtonText(), null, IMessageBox.YES_OPTION);
	ButtonBarLayoutData data = new ButtonBarLayoutData();
	data.insetTop = inset;
	data.insetBottom = inset;
	data.insetRight = inset;
	yesButton.setLayoutData(data);
	defaultButton = (defaultButton == null ? yesButton : defaultButton);
	}
	if (getScoutObject().getNoButtonText() != null) {
	Button noButton = createButton(buttonArea, getScoutObject().getNoButtonText(), null, IMessageBox.NO_OPTION);
	ButtonBarLayoutData data = new ButtonBarLayoutData();
	data.insetTop = inset;
	data.insetBottom = inset;
	data.insetRight = inset;
	noButton.setLayoutData(data);
	defaultButton = (defaultButton == null ? noButton : defaultButton);
	}
	if (getScoutObject().getCancelButtonText() != null) {
	Button cancelButton = createButton(buttonArea, getScoutObject().getCancelButtonText(), null, IMessageBox.CANCEL_OPTION);
	ButtonBarLayoutData data = new ButtonBarLayoutData();
	data.insetTop = inset;
	data.insetBottom = inset;
	data.insetRight = inset;
	cancelButton.setLayoutData(data);
	defaultButton = (defaultButton == null ? cancelButton : defaultButton);
	}
	// Set default button
	if (defaultButton != null) {
	defaultButton.setFocus();
	getShell().setDefaultButton(defaultButton);
	}

	// layout
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL \| GridData.GRAB_HORIZONTAL);
	buttonArea.setLayoutData(gridData);

	ButtonBarLayout layout = new ButtonBarLayout(SWT.RIGHT);
	layout.horizontalGap = 0;
	buttonArea.setLayout(layout);
	return buttonArea;
	}

	protected Button createButton(Composite parent, String text, String iconId, int buttonId) {
	Button b = getUiEnvironment().getFormToolkit().createButton(parent, text, SWT.PUSH);
	if (iconId != null) {
	b.setImage(getUiEnvironment().getIcon(iconId));
	}
	if (buttonId >= 0) {
	b.addSelectionListener(new P_RwtButtonListener(buttonId));
	}
	return b;
	}

	@Override
	protected Point getInitialSize() {
	// get the preferred width of the button bar
	Point buttonBarSize = getButtonBar() == null ? new Point(0, 0) : getButtonBar().computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

	// get the preferred height of the control
	Point initialSize = getShell().computeSize(UiDecorationExtensionPoint.getLookAndFeel().getMessageBoxMinWidth(), SWT.DEFAULT, true);

	// The width and height of the messageBox is defined in the lookAndFeel extension point.
	// If we have a lot of big buttons we would like to scale the dialog in order to show every button. In this case the width of the button bar is used.
	initialSize.x = Math.max(buttonBarSize.x + 20, UiDecorationExtensionPoint.getLookAndFeel().getMessageBoxMinWidth());
	initialSize.y = Math.max(initialSize.y, UiDecorationExtensionPoint.getLookAndFeel().getMessageBoxMinHeight());
	return initialSize;
	}

	@Override
	public int open() {
	if (getShell() == null \|\| getShell().isDisposed()) {
	create();
	}
	initializeBounds();
	return super.open();
	}

	@Override
	public boolean close() {
	handleUiButtonSelection(IMessageBox.CANCEL_OPTION);
	return false;
	}

	public void closeNoFire() {
	super.close();
	}

	private IRwtEnvironment getUiEnvironment() {
	return m_uiEnvironment;
	}

	public IMessageBox getScoutObject() {
	return m_scoutObject;
	}

	/*
	* event handlers
	*/
	protected void handleScoutMessageBoxClosed(MessageBoxEvent e) {
	// dialog model detach
	dettachScout();
	closeNoFire();
	}

	private void handleUiButtonSelection(final int buttonId) {
	Runnable j = new Runnable() {
	@Override
	public void run() {
	getScoutObject().getUIFacade().setResultFromUI(buttonId);
	}
	};
	getUiEnvironment().invokeScoutLater(j, 0);
	}

	private class P_RwtButtonListener extends SelectionAdapter {
	private static final long serialVersionUID = 1L;

	private final int m_buttonId;

	P_RwtButtonListener(int buttonId) {
	m_buttonId = buttonId;
	}

	@Override
	public void widgetSelected(SelectionEvent e) {
	handleUiButtonSelection(m_buttonId);
	}

	} // end class P_RwtButtonListener

	/*
	* other observers
	*/
	private class P_ScoutMessageBoxListener implements MessageBoxListener {
	@Override
	public void messageBoxChanged(final MessageBoxEvent e) {
	switch (e.getType()) {
	case MessageBoxEvent.TYPE_CLOSED: {
	Runnable t = new Runnable() {
	@Override
	public void run() {
	switch (e.getType()) {
	case MessageBoxEvent.TYPE_CLOSED: {
	handleScoutMessageBoxClosed(e);
	break;
	}
	}
	}
	};
	getUiEnvironment().invokeUiLater(t);
	break;
	}
	}
	}
	}// end private class

	private class P_DisposeListener implements DisposeListener {

	private static final long serialVersionUID = 1L;

	@Override
	public void widgetDisposed(DisposeEvent event) {
	dettachScout();
	}

	}
	}