Bug 32053 [Import/Export] Need busy cursor when loading page
M5 build - start eclipse in Resource perspective - File / Import - double-click on External Plug-ins and Fragments - it takes a while to load, but there is no busy cursor
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
/**
	 * Checks whether it is alright to close this wizard dialog
	 * and performed standard cancel processing. If there is a
	 * long running operation in progress, this method posts an
	 * alert message saying that the wizard cannot be closed.
	 * 
	 * @return <code>true</code> if it is alright to close this dialog, and
	 *  <code>false</code> if it is not
	 */
	private boolean okToClose() {
		if (activeRunningOperations > 0) {
			synchronized (this) {
				windowClosingDialog = createWizardClosingDialog();
			}
			windowClosingDialog.open();
			synchronized (this) {
				windowClosingDialog = null;
			}
			return false;
		}
		return wizard.performCancel();
	}
	/**
	 * Restores the enabled/disabled state of the given control.
	 *
	 * @param w the control
	 * @param h the map (key type: <code>String</code>, element type:
	 *   <code>Boolean</code>)
	 * @param key the key
	 * @see #saveEnableStateAndSet