String getText(TreeItem item, int column) {
			String text = item.getText(column);
			if (column != 0) {
				TreeItem parent = item.getParentItem();
				int index = parent == null ? tree.indexOf(item) : parent.indexOf(item);
				if ((index+column) % 3 == 1){
					text +="\nnew line";
				}
				if ((index+column) % 3 == 2) {
					text +="\nnew line\nnew line";
				}
			}
			return text;
		}