Java Code Examples for org.eclipse.swt.widgets.Control#setData()

public static ExpressionButton createExpressionButton( Composite parent,
		final Control control, final IExpressionProvider provider,
		Object contextObject, final Listener listener,
		boolean allowConstant, int style, ExpressionHelper helper,
		boolean showOnlyLeafInThirdColumn )
{

	final ExpressionButton button = UIUtil.createExpressionButton( parent,
			style,
			allowConstant,
			showOnlyLeafInThirdColumn );
	helper.setProvider( provider );
	helper.setListener( listener );
	helper.setControl( control );
	helper.setExpressionButton( button );
	helper.setContextObject( contextObject );
	button.setExpressionHelper( helper );

	control.setData( EXPR_BUTTON, button );
	control.setData( ExpressionButtonUtil.EXPR_TYPE,
			helper.getExpressionType( ) );
	button.refresh( );

	return button;
}
 

public static ExpressionButton createExpressionButton( Composite parent,
		final Control control, final IExpressionProvider provider,
		Object contextObject, final Listener listener,
		boolean allowConstant, int style, ExpressionHelper helper )
{

	final ExpressionButton button = UIUtil.createExpressionButton( parent,
			style,
			allowConstant );
	helper.setProvider( provider );
	helper.setListener( listener );
	helper.setControl( control );
	helper.setExpressionButton( button );
	helper.setContextObject( contextObject );
	button.setExpressionHelper( helper );

	control.setData( EXPR_BUTTON, button );
	control.setData( ExpressionButtonUtil.EXPR_TYPE,
			helper.getExpressionType( ) );
	button.refresh( );

	return button;
}
 

/**
 * Disable all widgets of a control
 *
 * @param control control to enable/disable
 * @param enable <code>true</code> to enable, <code>false</code> to disable
 */
public static void disableAllChildrenWidgets(final Control control) {
	if (control instanceof Composite) {
		for (final Control c : ((Composite) control).getChildren()) {
			disableAllChildrenWidgets(c);
		}
	}
	control.setData(SWTGraphicUtil.class.toString() + "_enableState", control.isEnabled());
	control.setEnabled(false);
}
 

private static final void applyChanges( Shell shell, List list, Control control, int position,
  InsertTextInterface insertTextInterface ) {
  String selection =
      list.getSelection()[0].contains( Const.getDeprecatedPrefix() )
      ? list.getSelection()[0].replace( Const.getDeprecatedPrefix(), "" )
      : list.getSelection()[0];
  String extra = "${" + selection + "}";
  if ( insertTextInterface != null ) {
    insertTextInterface.insertText( extra, position );
  } else {
    if ( control.isDisposed() ) {
      return;
    }

    if ( list.getSelectionCount() <= 0 ) {
      return;
    }
    if ( control instanceof Text ) {
      ( (Text) control ).insert( extra );
    } else if ( control instanceof CCombo ) {
      CCombo combo = (CCombo) control;
      combo.setText( extra ); // We can't know the location of the cursor yet. All we can do is overwrite.
    } else if ( control instanceof StyledTextComp ) {
      ( (StyledTextComp) control ).insert( extra );
    } else if ( control instanceof StyledText ) {
      ( (StyledText) control ).insert( extra );
    }
  }
  if ( !shell.isDisposed() ) {
    shell.dispose();
  }
  if ( !control.isDisposed() ) {
    control.setData( Boolean.FALSE );
  }
}
 

public static IExpressionConverter getCurrentExpressionConverter(
		Control control, boolean refreshButtonType )
{
	if ( control == null )
	{
		return null;
	}
	else if ( getExpressionButton( control ) == null )
	{
		return null;
	}
	else
	{
		IExpressionSupport support = ExpressionButtonUtil.getExpressionButton( control )
				.getCurrentExpressionSupport( );
		if ( support != null && support.getConverter( ) != null )
		{
			return support.getConverter( );
		}
		else if ( refreshButtonType )
		{
			support = ExpressionButtonUtil.getExpressionButton( control )
					.getExpressionSupport( ExpressionType.JAVASCRIPT );
			if ( support != null && support.getConverter( ) != null )
			{
				control.setData( ExpressionButtonUtil.EXPR_TYPE,
						ExpressionType.JAVASCRIPT );
				getExpressionButton( control ).refresh( );
				return support.getConverter( );
			}
		}
	}
	return null;
}
 

private ScalarParameter copeWithNextParameter(
		CascadingParameterGroup group, ScalarParameter listParam )
{
	ScalarParameter postParam = (ListingParameter) group.getPostParameter( listParam );
	if ( postParam == null )
	{
		return null;
	}
	SelectionParameterControlHelper helper = getPostParamList( ).get( listParam );
	helper.emptyControlItem( );

	Control control = helper.getControl( );
	int itemIndex = 0;
	for ( Iterator iterator = postParam.getValueList( ).iterator( ); iterator.hasNext( ); )
	{
		IParameterSelectionChoice choice = (IParameterSelectionChoice) iterator.next( );
		if ( choice.getValue( ) == null )
		{
			continue;
		}

		String label = getFormatLabelString( choice, listParam );
		if ( label != null )
		{
			itemIndex = addControlItem( control, label );
			if ( control instanceof Combo )
			{
				control.setData( String.valueOf( itemIndex ),
						choice.getValue( ) );
			}
			else
			{
				control.setData( label, choice.getValue( ) );
			}
		}
	}

	processPostParator( postParam, control );
	return postParam;
}
 

/**
 * Set the border for a child control.
 * 
 * @param child The child control for which to set the border.
 * @param shadow One of the SWT shadow constants SHADOW_IN, SHADOW_OUT,
 *   SHADOW_ETCHED_IN, SHADOW_ETCHED_OUT, SHADOW_NONE.
 */  

public void setChildBorder(Control child, int shadow)
{
  checkWidget();
  if(child == null) return;
  if(shadow == SWT.SHADOW_NONE) child.setData(CHILD_SHADOW, null);
  else child.setData(CHILD_SHADOW, new Integer(shadow));
  layout();
  redraw();
  //weightsChanged();
}
 

@Override
public Object dataSourceChanged(SWTSkinObject skinObject, Object params) {
	datasource = params;
	if (soListArea != null) {
		Control control = soListArea.getControl();

		if ( !control.isDisposed()){

			control.setData("DataSource", params);
		}
	}

	return null;
}
 

/**
 * <p>
 * Sets the prompt text on <code>control</code>
 * </p>
 *
 * @param promptText
 * @param textComponent
 * @exception IllegalArgumentException if the control is not a Text Box, a
 *                Combo Box, a StyledText or a CCombo
 */
public static void setPrompt(final String promptText, final Control control) {
	checkControl(control);

	final boolean alreadySet = control.getData(SET) == null ? false : (Boolean) control.getData(SET);
	if (alreadySet) {
		throw new IllegalArgumentException("A prompt has already been set on this control !");
	}
	control.setData(PROMPT, promptText);

	final BaseFocusControlListener focusControlListener = FocusControlListenerFactory.getFocusControlListenerFor(control);
	control.addFocusListener(focusControlListener);
	control.addControlListener(focusControlListener);
	control.setData(SET, true);
}
 

private static final void applyChanges( Shell shell, List list, Control control, int position,
                                        IInsertText insertTextInterface ) {
  String selection =
    list.getSelection()[ 0 ].contains( Const.getDeprecatedPrefix() )
      ? list.getSelection()[ 0 ].replace( Const.getDeprecatedPrefix(), "" )
      : list.getSelection()[ 0 ];
  String extra = "${" + selection + "}";
  if ( insertTextInterface != null ) {
    insertTextInterface.insertText( extra, position );
  } else {
    if ( control.isDisposed() ) {
      return;
    }

    if ( list.getSelectionCount() <= 0 ) {
      return;
    }
    if ( control instanceof Text ) {
      ( (Text) control ).insert( extra );
    } else if ( control instanceof CCombo ) {
      CCombo combo = (CCombo) control;
      combo.setText( extra ); // We can't know the location of the cursor yet. All we can do is overwrite.
    } else if ( control instanceof StyledTextComp ) {
      ( (StyledTextComp) control ).insert( extra );
    } else if ( control instanceof StyledText ) {
      ( (StyledText) control ).insert( extra );
    }
  }
  if ( !shell.isDisposed() ) {
    shell.dispose();
  }
  if ( !control.isDisposed() ) {
    control.setData( Boolean.FALSE );
  }
}
 

static void setPromptDisplayed(final Control control, boolean newValue) {
	control.setData(IS_PROMPT_DISPLAYED, newValue);
}
 

public static void
 addCopyToClipMenu(
final Control				control,
final copyToClipProvider	provider )
 {
  MouseAdapter ml = (MouseAdapter)control.getData( MOUSE_LISTENER_KEY );
  
  if ( ml != null ){
  
	  control.removeMouseListener( ml );
  }
  
  ml =
	  new MouseAdapter()
	  {
		  @Override
		  public void
		  mouseDown(
			 MouseEvent e )
		  {
			  if ( control.isDisposed()){

				  return;
			  }

			  final String	text = provider.getText();

			  if ( control.getMenu() != null || text == null || text.length() == 0 ){

				  return;
			  }

			  if (!(e.button == 3 || (e.button == 1 && e.stateMask == SWT.CONTROL))){

				  return;
			  }

			  final Menu menu = new Menu(control.getShell(),SWT.POP_UP);

			  MenuItem   item = new MenuItem( menu,SWT.NONE );

			  item.setData( MENU_ITEM_KEY, "" );

			  String	msg_text_id;

			  if ( provider instanceof copyToClipProvider2 ){

				  msg_text_id = ((copyToClipProvider2)provider).getMenuResource();

			  }else{

				  msg_text_id = "label.copy.to.clipboard";
			  }

			  item.setText( MessageText.getString( msg_text_id ));

			  item.addSelectionListener(
					  new SelectionAdapter()
					  {
						  @Override
						  public void
						  widgetSelected(
								  SelectionEvent arg0)
						  {
							  new Clipboard(control.getDisplay()).setContents(new Object[] {text}, new Transfer[] {TextTransfer.getInstance()});
						  }
					  });

			  control.setMenu( menu );

			  menu.addMenuListener(
					  new MenuAdapter()
					  {
						  @Override
						  public void
						  menuHidden(
								  MenuEvent arg0 )
						  {
							  if ( control.getMenu() == menu ){

								  control.setMenu( null );
							  }
						  }
					  });

			  menu.setVisible( true );
		  }
	  };
  
  control.setData( MOUSE_LISTENER_KEY, ml );
  
  control.addMouseListener( ml );
 }
 

public void hide(Control child) {
    child.setData(HIDDEN, true);
    child.setVisible(false);
}
 

public void show(Control child) {
    child.setData(HIDDEN, false);
    child.setVisible(true);
}
 

/**
 * Sets the foreground color of the prompt on <code>control</code>. This
 * color will be used when no text is present.
 *
 * @param promptTextColor
 * @param textComponent
 * @exception IllegalArgumentException if the control is not a Text Box, a
 *                Combo Box, a StyledText or a CCombo
 */
public static void setForeground(final Color color, final Control control) {
	checkControl(control);
	control.setData(FOREGROUND, color);
}
 

/**
 * <p>
 * Set the style of the prompt font, which is a OR mix of SWT.ITALIC,
 * SWT.NONE or SWT.BOLD
 * </p>
 *
 * @param fontStyle
 * @param control
 * @exception IllegalArgumentException if the control is not a Text Box, a
 *                Combo Box, a StyledText or a CCombo
 */
public static void setFontStyle(final int fontStyle, final Control control) {
	checkControl(control);
	control.setData(STYLE, fontStyle);
}
 

/**
 * Sets the {@link FocusBehavior} on <code>control</code>, if it is the
 * focus owner.
 *
 * @param focusBehavior
 * @param control
 * @exception IllegalArgumentException if the control is not a Text Box, a
 *                Combo Box, a StyledText or a CCombo
 */
public static void setFocusBehavior(final FocusBehavior focusBehavior, final Control control) {
	checkControl(control);
	control.setData(BEHAVIOR, focusBehavior);
}
 

/**
 * <p>
 * Sets the prompts background color on <code>control</code>. This
 * background color will only be used when no text is present.
 * </p>
 *
 * @param background
 * @param control
 * @exception IllegalArgumentException if the control is not a Text Box, a
 *                Combo Box, a StyledText or a CCombo
 */
public static void setBackground(final Color color, final Control control) {
	checkControl(control);
	control.setData(BACKGROUND, color);
}