public static void dispose(Widget widget) {
if (widget != null && !widget.isDisposed()) {
try {
widget.dispose();
} catch (Exception e) {
log.debug("widget dispose error", e);
}
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer#hideChild
* (org.eclipse.e4.ui.model.application.MElementContainer,
* org.eclipse.e4.ui.model.application.MUIElement)
*/
@Override
public void hideChild(MElementContainer<MUIElement> parentElement, MUIElement child) {
super.hideChild(parentElement, child);
// Since there's no place to 'store' a child that's not in a menu
// we'll blow it away and re-create on an add
Widget widget = (Widget) child.getWidget();
if (widget != null && !widget.isDisposed()) widget.dispose();
}
@Test
public void testMarkDisposed() {
Fixture.fakeNewRequest();
Fixture.fakeResponseWriter();
// dispose un-initialized widget: must not occur in list of disposed widgets
Widget widget = new Shell(display);
widget.dispose();
assertTrue(widget.isDisposed());
assertEquals(0, DisposedWidgets.getAll().length);
// dispose initialized widget: must be present in list of disposed widgets
widget = new Shell(display);
WidgetAdapterImpl adapter = (WidgetAdapterImpl) WidgetUtil.getAdapter(widget);
adapter.setInitialized(true);
widget.dispose();
assertTrue(widget.isDisposed());
assertEquals(1, DisposedWidgets.getAll().length);
}
private void doRemoveGroup(String group) {
try {
policy.setRedraw(false);
for (Widget col : policy.getColumns()) {
Column column = (Column) col.getData(Column.class.getName());
if (group.equals(column.getGroupLabel())) col.dispose();
}
} finally {
policy.getViewer().refresh();
policy.setRedraw(true);
}
}
public void destroyColumnWithOption(Column column, Object option) {
for (Widget widget : policy.getColumns()) {
if (column.equals(widget.getData(Column.class.getName())) //
&& (option == null || option.equals(widget.getData(OPTIONS_KEY)))) {
try {
policy.setRedraw(false);
widget.dispose();
} finally {
policy.getViewer().refresh();
policy.setRedraw(true);
}
break;
}
}
}
@Override
public void hideChild(MElementContainer<MUIElement> parentElement, MUIElement child) {
super.hideChild(parentElement, child);
// Since there's no place to 'store' a child that's not in a menu
// we'll blow it away and re-create on an add
Widget widget = (Widget) child.getWidget();
if (widget != null && !widget.isDisposed()) {
widget.dispose();
}
ToolBar toolbar = (ToolBar) getUIContainer(child);
if (toolbar != null && !toolbar.isDisposed()) {
toolbar.getShell().layout(new Control[] {toolbar}, SWT.DEFER);
}
disposeToolbarIfNecessary(parentElement);
}
@Override
public void disposeWidget(MUIElement element) {
if (element instanceof MPart) {
MPart part = (MPart) element;
MToolBar toolBar = part.getToolbar();
if (toolBar != null) {
Widget widget = (Widget) toolBar.getWidget();
if (widget != null) {
unbindWidget(toolBar);
widget.dispose();
}
}
for (MMenu menu : part.getMenus()) {
engine.removeGui(menu);
}
}
super.disposeWidget(element);
}
@Override
public void hideChild(MElementContainer<MUIElement> parentElement, MUIElement child) {
super.hideChild(parentElement, child);
// only handle the disposal of this element if it was actually rendered
// by the engine
if (child.getRenderer() != null) {
// Since there's no place to 'store' a child that's not in a menu
// we'll blow it away and re-create on an add
Widget widget = (Widget) child.getWidget();
if (widget != null && !widget.isDisposed()) {
widget.dispose();
}
ToolBar toolbar = (ToolBar) getUIContainer(child);
if (toolbar != null && !toolbar.isDisposed()) {
toolbar.pack(true);
toolbar.getShell().layout(new Control[] {toolbar}, SWT.DEFER);
}
// disposeToolbarIfNecessary(parentElement);
}
}