public void removeAllFactories() {
		for (int i = 0; i < rows.size(); i++) {
			Row row = rows.get(i);
			while (row.size() > 0) {
				row.removeField(0);
			}
		}
		findWidth();
		formatMgr.modelChanged(this);

	}
Removes all fields from this model.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/format/FieldFormatModel.java