private void onDispose() {
if (control == null) return;
this.Release();
if (controlListener != null) {
control.removeListener(SWT.Dispose, controlListener);
control.removeListener(SWT.DragDetect, controlListener);
}
controlListener = null;
control.setData(DND.DRAG_SOURCE_KEY, null);
control = null;
transferAgents = null;
}
/**
* Detach the progress monitor part from the given cancel component.
*
* @param cancelComponent the control that was previously used as a cancel component. This
* parameter will be ignored and hence can be <code>null</code> if a stop button was requested
* upon construction and instead the stop button will be disabled.
* @see #ProgressMonitorPart(Composite, Layout, boolean)
*/
public void removeFromCancelComponent(Control cancelComponent) {
if (fHasStopButton) {
setCancelEnabled(false);
} else {
Assert.isTrue(fCancelComponent == cancelComponent && fCancelComponent != null);
fCancelComponent.removeListener(SWT.Selection, fCancelListener);
fCancelComponent = null;
}
}
private void deactivate() {
SpellCheckerAgent.removeListener(visitor);
if (viewer != null) {
viewer.removeTextListener(this);
viewer = null;
}
if (control != null && !control.isDisposed()) {
control.removeListener(SWT.Modify, this);
control.removeListener(SWT.Paint, this);
control.removeListener(SWT.Dispose, this);
redraw(control.getDisplay());
control = null;
}
if (job != null) {
job.dispose();
job = null;
}
ranges.clear();
}
public void dispose() {
hideMenu();
if (!control.isDisposed()) control.removeListener(SWT.MenuDetect, listener);
}
/** Deactivate tooltip support for the underlying control */
private void removeOwnerControlsListener() {
_ownerControl.removeListener(SWT.Dispose, _ownerControlListener);
_ownerControl.removeListener(SWT.Resize, _ownerControlListener);
}