private CellEditor[] createCellEditors() {
CellEditor[] editors = new CellEditor[3];
//TODO: create a nicer color chooser
CellEditor celledit0 = new ColorCellEditor(treeViewer.getTree());
TextCellEditor celledit1 = new TextCellEditor(treeViewer.getTree());
TextCellEditor celledit2 = new TextCellEditor(treeViewer.getTree());
editors[0] = celledit0;
editors[1] = celledit1;
editors[2] = celledit2;