Bug 6181 Edit template panel doesn't resize
The panel is small and can't be resized. It also has a maximize button that is not operational.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/AbstractElementListSelectionDialog.java
/**
	 * Validates the current selection and updates the status line
	 * accordingly.
	 */
	protected boolean validateCurrentSelection() {
		Assert.isNotNull(fFilteredList);
		IStatus status;
		Object[] elements= getSelectedElements();
		if (elements.length > 0) {
			if (fValidator != null) {
				status= fValidator.validate(elements);
			} else {
				status= new StatusInfo();
			}
		} else {			
			if (fFilteredList.isEmpty()) {
				status= new StatusInfo(IStatus.ERROR, fEmptyListMessage);
			} else {
				status= new StatusInfo(IStatus.ERROR, fEmptySelectionMessage);
			}
		}
		updateStatus(status);
		
		return status.isOK();
	}
	/*
	 * @see Dialog#cancelPressed
	 */
	protected void cancelPressed() {
		setResult(null);