Java Code Examples for org.eclipse.swt.SWT#Modify

@Override
protected Text newText(final Composite textContainer) {
    final Text text = new Text(textContainer, SWT.MULTI | SWT.V_SCROLL | SWT.WRAP);
    text.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    final Listener scrollBarListener = event -> {
        final Text t = (Text) event.widget;
        final Rectangle r1 = t.getClientArea();
        final Rectangle r2 = t.computeTrim(r1.x, r1.y, r1.width, r1.height);
        final Point p = t.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
        t.getVerticalBar().setVisible(r2.height <= p.y);
        if (event.type == SWT.Modify) {
            t.getParent().layout(true);
            t.showSelection();
        }
    };
    text.addListener(SWT.Resize, scrollBarListener);
    text.addListener(SWT.Modify, scrollBarListener);
    return text;
}
 

protected void notifyChangeEvent( )
{
	String newExpr = eHelper.getExpression( );
	String newType = eHelper.getExpressionType( );
	Event event = new Event( );
	event.widget = eb.getControl( );
	event.detail = SWT.Modify;
	String[] data = new String[4];
	data[0] = lastExpr.getExpression( );
	data[1] = newExpr;
	data[2] = lastExpr.getType( );
	data[3] = newType;
	event.data = data;

	for ( Listener listener : listeners )
	{
		listener.handleEvent( event );
	}

	save( );
}
 

public void handleEvent( Event event )
{
	if ( event.type == SWT.Selection )
	{
		widgetSelected( new SelectionEvent( event ) );
	}
	else if ( event.type == SWT.Modify )
	{
		modifyText( new ModifyEvent( event ) );
	}
	updatePreview( );
}
 

@Override
public void handleEvent(Event event) {
	if (event.type != SWT.Modify)
		return;
	if (t.getLineCount() != lines) {
		lines = t.getLineCount();

		t.setSize(t.getSize().x, lines * (int) t.getFont().getFontData()[0].height);
		scrldfrm.reflow(true);
	}
}
 

@Override
public void handleEvent(Event event){
	if (event.type != SWT.Modify)
		return;
	if (txtClientCustomText.getLineCount() != lines) {
		lines = txtClientCustomText.getLineCount();
		
		txtClientCustomText.setSize(txtClientCustomText.getSize().x, lines
			* (int) txtClientCustomText.getFont().getFontData()[0].height);
	}
	scrldfrm.reflow(true);
}
 

@Override
public void handleEvent(Event event) {
  if (event.widget == typeNameUI && event.type == SWT.Modify) {
    typeName = typeNameUI.getText(); 
    displayFilteredTypes(typeName);
  }
  
  else if (event.widget == matchingTypesUI && event.type == SWT.Selection) {
    displayNameSpacesForSelectedItem(
            (Map.Entry)(matchingTypesUI.getSelection()[0].getData()));
  }
  super.handleEvent(event);
}
 

public void notifyExpressionChangeEvent( String oldExpression,
		String newExpression )
{
	if ( listener != null )
	{
		Event event = new Event( );
		event.widget = button.getControl( );
		event.data = new String[]{
				oldExpression, newExpression
		};
		event.detail = SWT.Modify;
		listener.handleEvent( event );
	}
	control.setFocus( );
}
 

public void notifyListeners( )
{
	Event event = new Event( );
	event.type = SWT.Modify;

	for ( Listener listener : listeners )
	{
		listener.handleEvent( event );
	}
}
 

public void handleEvent( Event event )
{
	switch ( event.type )
	{
		case SWT.MouseDown :
			int index = computeIndex( event.x, event.y );
			select( index );
			break;
		case SWT.Modify :
			redraw( );
			itemFrame.doRedraw( );
			break;
	}
}
 

@Override
public void notifyExpressionChangeEvent( String oldExpression,
		String newExpression )
{
	if ( listener != null )
	{
		Event event = new Event( );
		event.widget = button.getControl( );
		event.data = new String[]{
				oldExpression, newExpression
		};
		event.detail = SWT.Modify;
		listener.handleEvent( event );
	}
}
 

@Override
public void handleEvent(Event event)
{
	// Hook into the event handling to get the typed file name.
	// In case we have a template for that, the canFlipToNextPage method call will show the Next button
	if (event.type == SWT.Modify)
	{
		collectTemplates();
	}
	super.handleEvent(event);
}
 

private void createText(int style) {
	textListener = new Listener() {
		public void handleEvent(Event event) {
			switch (event.type) {
			case SWT.KeyDown:
				if (event.stateMask == SWT.CTRL && event.keyCode == ' ') {
					event.doit = false;
					setOpen(true);
				}
				break;
			case SWT.Modify:
				Event e = new Event();
				e.time = event.time;
				setModifyEventProperties(e);
				notifyListeners(SWT.Modify, e);
				break;
			}
		}
	};

	int mask = SWT.TRAIL | SWT.LEAD;
	int textStyle = SWT.SINGLE | (style & mask);
	if (!win32 && (style & SWT.BORDER) != 0) {
		textStyle |= SWT.BORDER;
	}

	text = VNative.create(Text.class, panel, textStyle);
	addTextListener();
}
 

public FormattedTextObservableValue(final FormattedText formattedText) {
	this(SWTObservables.getRealm(formattedText.getControl().getDisplay()), formattedText, SWT.Modify);
}
 

/**
 * Constructs a new instance of this class given its parent
 * and a style value describing its behavior and appearance.
 * <p>
 * The style value is either one of the style constants defined in
 * class <code>SWT</code> which is applicable to instances of this
 * class, or must be built by <em>bitwise OR</em>'ing together 
 * (that is, using the <code>int</code> "|" operator) two or more
 * of those <code>SWT</code> style constants. The class description
 * lists the style constants that are applicable to the class.
 * Style bits are also inherited from superclasses.
 * </p>
 *
 * @param parent a widget which will be the parent of the new instance (cannot be null)
 * @param style the style of widget to construct
 *
 * @exception IllegalArgumentException <ul>
 *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
 * </ul>
 * @exception SWTException <ul>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
 * </ul>
 *
 * @see SWT#BORDER
 * @see SWT#READ_ONLY
 * @see SWT#FLAT
 * @see Widget#getStyle()
 */
public CCombo (Composite parent, int style) {
	super (parent, style = checkStyle (style));
	
	int textStyle = SWT.SINGLE;
	if ((style & SWT.READ_ONLY) != 0) textStyle |= SWT.READ_ONLY;
	if ((style & SWT.FLAT) != 0) textStyle |= SWT.FLAT;
	text = new Text (this, textStyle);
	int arrowStyle = SWT.ARROW | SWT.DOWN;
	if ((style & SWT.FLAT) != 0) arrowStyle |= SWT.FLAT;
	arrow = new Button (this, arrowStyle);

	listener = new Listener () {
		public void handleEvent (Event event) {
			if (popup == event.widget) {
				popupEvent (event);
				return;
			}
			if (text == event.widget) {
				textEvent (event);
				return;
			}
			if (list == event.widget) {
				listEvent (event);
				return;
			}
			if (arrow == event.widget) {
				arrowEvent (event);
				return;
			}
			if (CCombo.this == event.widget) {
				comboEvent (event);
				return;
			}

		}
	};
	
	
	int [] comboEvents = {SWT.Dispose, SWT.Move, SWT.Resize};
	for (int i=0; i<comboEvents.length; i++) this.addListener (comboEvents [i], listener);
	
	int [] textEvents = {SWT.KeyDown, SWT.KeyUp, SWT.Modify, SWT.MouseDown, SWT.MouseUp, SWT.Traverse, SWT.FocusIn, SWT.FocusOut};
	for (int i=0; i<textEvents.length; i++) text.addListener (textEvents [i], listener);
	
	int [] arrowEvents = {SWT.Selection, SWT.FocusIn, SWT.FocusOut};
	for (int i=0; i<arrowEvents.length; i++) arrow.addListener (arrowEvents [i], listener);
	
	createPopup(null, -1);
	initAccessible();
	
}
 

public DurationCompositeObservableValue(){
	super(SWT.Modify);
}
 

@Override
public void handleEvent(Event event) {
  super.handleEvent(event);
  if (event.type == SWT.Modify && event.widget == featureRangeNameUI)
    manageVisibleFields();
}
 

/**
 * 
 */
public CDateTimeValueProperty() {
	super(new int[] { SWT.Selection, SWT.Modify });
}
 

/**
 * The CTreeCombo class represents a selectable user interface object
 * that combines a text field and a tree and issues notification
 * when an item is selected from the tree.
 * <p>
 * Note that although this class is a subclass of <code>Composite</code>,
 * it does not make sense to add children to it, or set a layout on it.
 * </p>
 * <dl>
 * <dt><b>Styles:</b>
 * <dd>BORDER, READ_ONLY, FLAT</dd>
 * <dt><b>Events:</b>
 * <dd>DefaultSelection, Modify, Selection, Verify</dd>
 * </dl>
 */
public CTreeCombo(Composite parent, int style) {
	super(parent, style = checkStyle(style));

	int textStyle = SWT.SINGLE;
	if ((style & SWT.READ_ONLY) != 0) {
		textStyle |= SWT.READ_ONLY;
	}
	if ((style & SWT.FLAT) != 0) {
		textStyle |= SWT.FLAT;
	}
	text = new Text(this, textStyle);
	int arrowStyle = SWT.ARROW | SWT.DOWN;
	if ((style & SWT.FLAT) != 0) {
		arrowStyle |= SWT.FLAT;
	}
	arrow = new Button(this, arrowStyle);

	listener = new Listener() {
		@Override
		public void handleEvent(Event event) {
			if (popup == event.widget) {
				popupEvent(event);
				return;
			}
			if (text == event.widget) {
				textEvent(event);
				return;
			}
			if (tree == event.widget) {
				treeEvent(event);
				return;
			}
			if (arrow == event.widget) {
				arrowEvent(event);
				return;
			}
			if (CTreeCombo.this == event.widget) {
				comboEvent(event);
				return;
			}
			if (getShell() == event.widget) {
				getDisplay().asyncExec(new Runnable() {
					@Override
					public void run() {
						if (isDisposed()) {
							return;
						}
						handleFocus(SWT.FocusOut);
					}
				});
			}
		}
	};
	filter = (event) -> {
		final Shell shell = ((Control) event.widget).getShell();
		if (shell == CTreeCombo.this.getShell()) {
			handleFocus(SWT.FocusOut);
		}
	};

	final int[] comboEvents = { SWT.Dispose, SWT.FocusIn, SWT.Move, SWT.Resize };
	for (int i = 0; i < comboEvents.length; i++) {
		addListener(comboEvents[i], listener);
	}

	final int[] textEvents = { SWT.DefaultSelection, SWT.KeyDown, SWT.KeyUp, SWT.MenuDetect, SWT.Modify, SWT.MouseDown, SWT.MouseUp, SWT.MouseDoubleClick, SWT.MouseWheel, SWT.Traverse, SWT.FocusIn, SWT.Verify };
	for (int i = 0; i < textEvents.length; i++) {
		text.addListener(textEvents[i], listener);
	}

	final int[] arrowEvents = { SWT.MouseDown, SWT.MouseUp, SWT.Selection, SWT.FocusIn };
	for (int i = 0; i < arrowEvents.length; i++) {
		arrow.addListener(arrowEvents[i], listener);
	}

	createPopup(null, null);
	initAccessible();
}