Bug 114512 [working sets] Package explorer should only allow working sets that have an updater installed
I20051101-0010 The package explorer started to support working sets different than the Java working set. However, the package explorer must ensure that an working set updater is installed otherwise it will end up showing stale/bogus content.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetConfigurationDialog.java
}
	}
	/**
	 * Returns the selected working sets
	 * 
	 * @return the selected working sets
	 */
	public IWorkingSet[] getSelection() {
		return fResult;
	}
	/**
	 * Sets the initial selection
	 * 
	 * @param workingSets the initial selection
	 */
	public void setSelection(IWorkingSet[] workingSets) {
		fResult= workingSets;
		setInitialSelections(workingSets);
	}
	
	/**
	 * {@inheritDoc}
	 */
	protected Control createContents(Composite parent) {
		Control control= super.createContents(parent);
		setInitialSelection();
		updateButtonAvailability();
		return control;
	}