org.eclipse.swt.widgets.Composite.addDisposeListener java code examples

Common ways to obtain Composite

private void myMethod () {
     Composite c =Control control;control.getParent()
StatusDialog zuper;(Composite) zuper.createDialogArea(parent)
TitleAreaDialog zuper;(Composite) zuper.createDialogArea(parent)
Smart code suggestions by Codota
}

metricsComposite.addDisposeListener( new DisposeListener() {
 public void widgetDisposed( DisposeEvent event ) {
  if ( image != null ) {

metricsComposite.addDisposeListener( new DisposeListener() {
 public void widgetDisposed( DisposeEvent event ) {
  if ( image != null ) {

perfComposite.addDisposeListener( new DisposeListener() {
 public void widgetDisposed( DisposeEvent event ) {
  if ( image != null ) {

@Override
public void
addDisposeListener(
  DisposeListener        l )
{
  browser.addDisposeListener( l );
}

private void addDisposeListener() {
 container.addDisposeListener( new DisposeListener() {
  @Override
  public void widgetDisposed( DisposeEvent event ) {
   dispose();
  }
 } );
}

protected Composite createFilterControls(Composite filterParent) {
  super.createFilterControls(filterParent);
  filterParent.addDisposeListener(new DisposeListener() {
    public void widgetDisposed(DisposeEvent e) {
      cancelPreFilterJob();
    }
  });
  return filterParent;
}

/**
 * @param parent
 */
public SearchViewControl(Composite parent, ModifyListener modifyListener) {
  
  this.parent = parent;
  this.modifyListener = modifyListener;
  
  createControl(parent);
  parent.addDisposeListener(this);
}

protected Images(Composite rootComposite) {
  rootComposite.addDisposeListener(e -> {
    for (Image image : imagesMap.values())
      image.dispose();
    imagesMap.clear();
  });
}

public Object createWidget(final MUIElement element, Object parent) {
  if (!(element instanceof MToolBar) || !(parent instanceof Composite))
    return null;
  // HACK!! This should be done using a separate renderer
  Composite intermediate = new Composite((Composite) parent, SWT.NONE);
  createToolbar(element, intermediate);
  intermediate.addDisposeListener(new DisposeListener() {
    public void widgetDisposed(DisposeEvent e) {
      cleanUp((MToolBar) element);
    }
  });
  return intermediate;
}

@Override
public DropTarget createDropTarget(int style) {
  final DropTarget dropTarget = new DropTarget(cTable, style);
  cTable.addDisposeListener(new DisposeListener() {
    // @see org.eclipse.swt.events.DisposeListener#widgetDisposed(org.eclipse.swt.events.DisposeEvent)
    @Override
    public void widgetDisposed(DisposeEvent e) {
      if (!dropTarget.isDisposed()) {
        dropTarget.dispose();
      }
    }
  });
  return dropTarget;
}

/**
 * Returns this field editor's button box containing the Add, Remove,
 * Up, and Down button.
 *
 * @param parent the parent control
 * @return the button box
 */
public Composite getButtonBoxControl(Composite parent) {
  if (buttonBox == null) {
    buttonBox = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.marginWidth = 0;
    buttonBox.setLayout(layout);
    createButtons(buttonBox);
    buttonBox.addDisposeListener(event -> {
      addButton = null;
      removeButton = null;
      upButton = null;
      downButton = null;
      buttonBox = null;
    });
  } else {
    checkParent(buttonBox, parent);
  }
  selectionChanged();
  return buttonBox;
}

@Override
protected Control createContents(Composite parent) {
  toolkit = new FormToolkit(parent.getDisplay());
  parent.addDisposeListener(new DisposeListener() {
    public void widgetDisposed(DisposeEvent e) {
      toolkit.dispose();
    }
  });
  return super.createContents(parent);
}

private Composite createComposite ( final Composite wrapper )
{
  this.dbc = new DataBindingContext ( DisplayRealm.getRealm ( wrapper.getDisplay () ) );
  wrapper.addDisposeListener ( new DisposeListener () {
    @Override
    public void widgetDisposed ( final DisposeEvent e )
    {
      CallbackDialog.this.dbc.dispose ();
    }
  } );
  final Composite composite = new Composite ( wrapper, SWT.NONE );
  composite.setLayout ( new GridLayout ( 2, false ) );
  for ( final CallbackWidgetFactory factory : this.factories )
  {
    factory.createGridWidgets ( this.dbc, composite );
  }
  return composite;
}

private Composite createComposite ( final Composite wrapper )
{
  this.dbc = new DataBindingContext ( DisplayRealm.getRealm ( wrapper.getDisplay () ) );
  wrapper.addDisposeListener ( new DisposeListener () {
    @Override
    public void widgetDisposed ( final DisposeEvent e )
    {
      CallbackDialog.this.dbc.dispose ();
    }
  } );
  final Composite composite = new Composite ( wrapper, SWT.NONE );
  composite.setLayout ( new GridLayout ( 2, false ) );
  for ( final CallbackWidgetFactory factory : this.factories )
  {
    factory.createGridWidgets ( this.dbc, composite );
  }
  return composite;
}

private Composite getHostPane() {
  // Create one
  hostPane = new Composite(trimStackTB.getShell(), SWT.NONE);
  hostPane.setData(ShellActivationListener.DIALOG_IGNORE_KEY, Boolean.TRUE);
  hostPane.addDisposeListener(e -> hostPane = null);
  setHostSize();
  // Set a special layout that allows resizing
  fixedSides = getFixedSides();
  hostPane.setLayout(new TrimPaneLayout(toolControl, fixedSides));
  return hostPane;
}

@Override
protected Control createDialogArea(Composite parent) {
  Composite composite = (Composite) super.createDialogArea(parent);
  Label label = new Label(composite, SWT.NONE);
  label.setText(message);
  GridData gd = new GridData(GridData.BEGINNING | GridData.FILL_BOTH);
  gd.horizontalIndent = PopupDialog.POPUP_HORIZONTALSPACING;
  gd.verticalIndent = PopupDialog.POPUP_VERTICALSPACING;
  label.setLayoutData(gd);
  Button btnDoNotShow = new Button(composite, SWT.CHECK);
  btnDoNotShow.setText(messageDoNotShowAgain);
  btnDoNotShow.setSelection(WorkbenchPlugin.getDefault().getPreferenceStore()
      .getBoolean(FULL_SCREEN_COMMAND_DO_NOT_SHOW_INFO_AGAIN_PREF_ID));
  GridData gd2 = new GridData(GridData.BEGINNING | GridData.FILL_BOTH);
  gd2.horizontalIndent = PopupDialog.POPUP_HORIZONTALSPACING;
  gd2.verticalIndent = PopupDialog.POPUP_VERTICALSPACING;
  btnDoNotShow.setLayoutData(gd2);
  composite.addDisposeListener((e) -> {
    WorkbenchPlugin.getDefault().getPreferenceStore()
        .setValue(FULL_SCREEN_COMMAND_DO_NOT_SHOW_INFO_AGAIN_PREF_ID, btnDoNotShow.getSelection());
  });
  return composite;
}

private void createConfigDesc(Composite parent) {
  Label separator = new Label(parent, SWT.SEPARATOR | SWT.VERTICAL);
  separator.setLayoutData(new GridData(GridData.FILL_VERTICAL));
  Composite descComposite = new Composite(parent, SWT.NONE);
  descComposite.setLayout(new FillLayout());
  descComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
  descComposite.setBackground(parent.getBackground());
  final FormToolkit toolkit = new FormToolkit(parent.getDisplay());
  parent.addDisposeListener(e -> toolkit.dispose());
  form = toolkit.createScrolledForm(descComposite);
  form.setBackground(parent.getBackground());
  form.getBody().setLayout(new GridLayout());
  configAreas = generator.createFilterConfigurationFields();
  createFieldArea(toolkit, form, scopeArea, true);
  Iterator<FilterConfigurationArea> areas = configAreas.iterator();
  while (areas.hasNext()) {
    createFieldArea(toolkit, form, areas.next(), true);
  }
}

public FilteredPreferenceTree(Composite parentComposite, String label, String hint, boolean showVerticalBar) {
  fParentComposite= parentComposite;
  fRoot= new PreferenceTreeNode<>(null, null, false);
  createDescription(label);
  createFilterBox(hint);
  createScrolledArea(showVerticalBar);
  createNoMatchFoundLabel();
  fRefreshJob= doCreateRefreshJob();
  fRefreshJob.setSystem(true);
  fParentComposite.addDisposeListener(new DisposeListener() {
    @Override
    public void widgetDisposed(DisposeEvent e) {
      fRefreshJob.cancel();
    }
  });
}

private void safeCreateResources() {
  imageRegistry.put(IMAGE_ADD, UIIcons.ELCL16_ADD);
  imageRegistry.put(IMAGE_DELETE, UIIcons.ELCL16_DELETE);
  imageRegistry.put(IMAGE_TRASH, UIIcons.ELCL16_TRASH);
  imageRegistry.put(IMAGE_CLEAR, UIIcons.ELCL16_CLEAR);
  errorBackgroundColor = new Color(panel.getDisplay(), 255, 150, 150);
  errorTextColor = new Color(panel.getDisplay(), 255, 0, 0);
  panel.addDisposeListener(new DisposeListener() {
    public void widgetDisposed(DisposeEvent e) {
      imageRegistry.dispose();
      errorBackgroundColor.dispose();
      errorTextColor.dispose();
    }
  });
}

@Override
protected Control createControl(Composite parent) {
  IEclipseContext localContext = EclipseContextFactory.create();
  final Composite newComposite = new Composite(parent, SWT.NONE);
  newComposite.setLayout(new FillLayout());
  localContext.set(Composite.class, newComposite);
  localContext.set(MToolControl.class, model);
  final IEclipseContext parentContext = modelService.getContainingContext(model);
  if (model.getObject() == null) {
    final Object tcImpl = contribFactory.create(model.getContributionURI(), parentContext, localContext);
    model.setObject(tcImpl);
    newComposite.addDisposeListener(e -> {
      ContextInjectionFactory.uninject(tcImpl, parentContext);
      model.setObject(null);
    });
  }
  model.setWidget(newComposite);
  newComposite.setData(AbstractPartRenderer.OWNING_ME, model);
  newComposite.setData(this);
  return newComposite;
}

Popular methods of Composite

setLayout
Sets the layout which is associated with the receiver to be the argument which may be null.
<init>
Constructs a new instance of this class given its parent and a style value describing its behavior a
setLayoutData
layout
Forces a lay out (that is, sets the size and location) of all widgets that are in the parent hierarc
getDisplay
getChildren
Returns a (possibly empty) array containing the receiver's children. Children are returned in the or
getShell
getFont
getLayout
Returns layout which is associated with the receiver, or null if one has not been set.
setFont
getParent
computeSize

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