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.scout.rt.ui.rap.util.HtmlTextUtility;
 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 final IRwtEnvironment m_uiEnvironment;

   private Label m_imageLabel;
   private ILabelWrapper m_actionLabelWrapper;
   private ILabelWrapper m_introLabelWrapper;

   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;
     }

     if (m_introLabelWrapper.isHtmlEnabled()) {
       // escape introText if HTML is enabled, i.e. text will be set on the Label control which renders HTML. This is not needed for the StyledText control since StyledText is not able to render HTML
       introText = HtmlTextUtility.escapeHtmlCapableText(getUiEnvironment().getHtmlValidator(), getScoutObject(), introText);
     }
     m_introLabelWrapper.setLabelText(introText);

     final Control introLabel = m_introLabelWrapper.getLabel();
     if (introLabel.getLayoutData() instanceof GridData) {
       GridData gridData = ((GridData) introLabel.getLayoutData());
       if (gridData.exclude != exclude) {
         gridData.exclude = exclude;
         getShell().layout(true);
         introLabel.getParent().getParent().layout(true, true);
       }
     }
     // Hide empty labels
     introLabel.setVisible(StringUtility.hasText(m_introLabelWrapper.getLabelText()));
   }

   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;
     }

     if (m_actionLabelWrapper.isHtmlEnabled()) {
       // escape actionText if HTML is enabled, i.e. text will be set on the Label control which renders HTML. This is not needed for the StyledText control since StyledText is not able to render HTML
       actionText = HtmlTextUtility.escapeHtmlCapableText(getUiEnvironment().getHtmlValidator(), getScoutObject(), actionText);
     }
     m_actionLabelWrapper.setLabelText(actionText);

     // Hide empty labels
     m_actionLabelWrapper.getLabel().setVisible(StringUtility.hasText(m_actionLabelWrapper.getLabelText()));
     if (m_actionLabelWrapper.getLabel().getLayoutData() instanceof GridData) {
       GridData gridData = ((GridData) m_actionLabelWrapper.getLabel().getLayoutData());
       if (gridData.exclude != exclude) {
         gridData.exclude = exclude;
         getShell().layout(true, true);
         m_actionLabelWrapper.getLabel().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_actionLabelWrapper = createActionLabel(getScoutObject().isHtmlEnabled(), container);

     // 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_actionLabelWrapper.getLabel().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_introLabelWrapper = createIntroLabel(getScoutObject().isHtmlEnabled(), container);
     // 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_introLabelWrapper.getLabel().setLayoutData(gridData);
     return container;
   }

   protected ILabelWrapper createIntroLabel(boolean htmlEnabled, Composite container) {
     return new P_LabelWrapper(htmlEnabled, container);
   }

   protected ILabelWrapper createActionLabel(boolean htmlEnabled, Composite container) {
     return new P_LabelWrapper(htmlEnabled, 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();
     }

   }

   private class P_LabelWrapper extends AbstractLabelWrapper {

     public P_LabelWrapper(boolean htmlEnabled, Composite container) {
       super(htmlEnabled, container);
     }

     @Override
     protected Label createHtmlLabel(boolean htmlEnabled, Composite container) {
       if (!htmlEnabled) {
         return null;
       }
       // create Label control only if html is enabled since Label is able to render html.
       Label htmlIntroLabel = getUiEnvironment().getFormToolkit().createLabel(container, "", SWT.WRAP | SWT.LEFT);
       htmlIntroLabel.setData(RWT.MARKUP_ENABLED, Boolean.TRUE);
       // Unsafe configuration. Size for h1, h2, h3.. tags isn't well calculated at the first time
       htmlIntroLabel.setData(MarkupValidator.MARKUP_VALIDATION_DISABLED, Boolean.TRUE);

       return htmlIntroLabel;
     }

     @Override
     protected StyledText createTextLabel(boolean htmlEnabled, Composite container) {
       if (htmlEnabled) {
         return null;
       }

       // create StyledText control only if html is disabled since StyledText is not able to render html.
       StyledText introLabel = getUiEnvironment().getFormToolkit().createStyledText(container, SWT.WRAP | SWT.LEFT | SWT.V_SCROLL);
       introLabel.setData(WRAP_TEXT_WITHOUT_SPACES, Boolean.TRUE);
       introLabel.setEditable(false);

       return introLabel;
     }
   }

 }
	/*******************************************************************************
	* 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.scout.rt.ui.rap.util.HtmlTextUtility;
	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 final IRwtEnvironment m_uiEnvironment;

	private Label m_imageLabel;
	private ILabelWrapper m_actionLabelWrapper;
	private ILabelWrapper m_introLabelWrapper;

	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;
	}

	if (m_introLabelWrapper.isHtmlEnabled()) {
	// escape introText if HTML is enabled, i.e. text will be set on the Label control which renders HTML. This is not needed for the StyledText control since StyledText is not able to render HTML
	introText = HtmlTextUtility.escapeHtmlCapableText(getUiEnvironment().getHtmlValidator(), getScoutObject(), introText);
	}
	m_introLabelWrapper.setLabelText(introText);

	final Control introLabel = m_introLabelWrapper.getLabel();
	if (introLabel.getLayoutData() instanceof GridData) {
	GridData gridData = ((GridData) introLabel.getLayoutData());
	if (gridData.exclude != exclude) {
	gridData.exclude = exclude;
	getShell().layout(true);
	introLabel.getParent().getParent().layout(true, true);
	}
	}
	// Hide empty labels
	introLabel.setVisible(StringUtility.hasText(m_introLabelWrapper.getLabelText()));
	}

	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;
	}

	if (m_actionLabelWrapper.isHtmlEnabled()) {
	// escape actionText if HTML is enabled, i.e. text will be set on the Label control which renders HTML. This is not needed for the StyledText control since StyledText is not able to render HTML
	actionText = HtmlTextUtility.escapeHtmlCapableText(getUiEnvironment().getHtmlValidator(), getScoutObject(), actionText);
	}
	m_actionLabelWrapper.setLabelText(actionText);

	// Hide empty labels
	m_actionLabelWrapper.getLabel().setVisible(StringUtility.hasText(m_actionLabelWrapper.getLabelText()));
	if (m_actionLabelWrapper.getLabel().getLayoutData() instanceof GridData) {
	GridData gridData = ((GridData) m_actionLabelWrapper.getLabel().getLayoutData());
	if (gridData.exclude != exclude) {
	gridData.exclude = exclude;
	getShell().layout(true, true);
	m_actionLabelWrapper.getLabel().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_actionLabelWrapper = createActionLabel(getScoutObject().isHtmlEnabled(), container);

	// 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_actionLabelWrapper.getLabel().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_introLabelWrapper = createIntroLabel(getScoutObject().isHtmlEnabled(), container);
	// 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_introLabelWrapper.getLabel().setLayoutData(gridData);
	return container;
	}

	protected ILabelWrapper createIntroLabel(boolean htmlEnabled, Composite container) {
	return new P_LabelWrapper(htmlEnabled, container);
	}

	protected ILabelWrapper createActionLabel(boolean htmlEnabled, Composite container) {
	return new P_LabelWrapper(htmlEnabled, 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();
	}

	}

	private class P_LabelWrapper extends AbstractLabelWrapper {

	public P_LabelWrapper(boolean htmlEnabled, Composite container) {
	super(htmlEnabled, container);
	}

	@Override
	protected Label createHtmlLabel(boolean htmlEnabled, Composite container) {
	if (!htmlEnabled) {
	return null;
	}
	// create Label control only if html is enabled since Label is able to render html.
	Label htmlIntroLabel = getUiEnvironment().getFormToolkit().createLabel(container, "", SWT.WRAP \| SWT.LEFT);
	htmlIntroLabel.setData(RWT.MARKUP_ENABLED, Boolean.TRUE);
	// Unsafe configuration. Size for h1, h2, h3.. tags isn't well calculated at the first time
	htmlIntroLabel.setData(MarkupValidator.MARKUP_VALIDATION_DISABLED, Boolean.TRUE);

	return htmlIntroLabel;
	}

	@Override
	protected StyledText createTextLabel(boolean htmlEnabled, Composite container) {
	if (htmlEnabled) {
	return null;
	}

	// create StyledText control only if html is disabled since StyledText is not able to render html.
	StyledText introLabel = getUiEnvironment().getFormToolkit().createStyledText(container, SWT.WRAP \| SWT.LEFT \| SWT.V_SCROLL);
	introLabel.setData(WRAP_TEXT_WITHOUT_SPACES, Boolean.TRUE);
	introLabel.setEditable(false);

	return introLabel;
	}
	}

	}