Bug 5449 TVT Text Expansion/Truncations in new java class dialog
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/ListDialogField.java
private void remove() {
		removeElements(getSelectedElements());
	}
	
	private void up() {
		moveUp(getSelectedElements());
	}
	
	private void down() {
		moveDown(getSelectedElements());
	}
	
	private boolean canMoveUp() {
		if (isOkToUse(fTableControl)) {
			int[] indc= fTableControl.getSelectionIndices();
			for (int i= 0; i < indc.length; i++) {
				if (indc[i] != i) {
					return true;
				}
			}
		}
		return false;
	}
	
	private boolean canMoveDown() {
		if (isOkToUse(fTableControl)) {
			int[] indc= fTableControl.getSelectionIndices();
			int k= fElements.size() - 1;