TableModelEventInterpretation.java

package org.andork.swing.event;

import javax.swing.event.TableModelEvent;
import javax.swing.table.TableModel;

public enum TableModelEventInterpretation {
	TABLE_STRUCTURE_CHANGED, TABLE_DATA_CHANGED, ROWS_INSERTED, ROWS_DELETED, ROWS_UPDATED, COLUMN_INSERTED, COLUMN_DELETED, COLUMN_UPDATED, CELLS_UPDATED;

	public static TableModelEventInterpretation interpret(TableModelEvent event) {
		if (event.getColumn() == TableModelEvent.ALL_COLUMNS) {
			switch (event.getType()) {
			case TableModelEvent.INSERT:
				if (event.getFirstRow() < 0) {
					break;
				}
				return ROWS_INSERTED;
			case TableModelEvent.UPDATE:
				if (event.getFirstRow() == TableModelEvent.HEADER_ROW) {
					return TABLE_STRUCTURE_CHANGED;
				}
				if (event.getFirstRow() == 0 && event.getLastRow() >= ((TableModel) event.getSource()).getRowCount()) {
					return TABLE_DATA_CHANGED;
				}
				return ROWS_UPDATED;
			case TableModelEvent.DELETE:
				if (event.getFirstRow() < 0) {
					break;
				}
				return ROWS_DELETED;
			}
		} else {
			switch (event.getType()) {
			case TableModelEvent.INSERT:
				if (event.getFirstRow() != TableModelEvent.HEADER_ROW) {
					break;
				}
				return COLUMN_INSERTED;
			case TableModelEvent.UPDATE:
				return event.getFirstRow() == TableModelEvent.HEADER_ROW ? COLUMN_UPDATED : CELLS_UPDATED;
			case TableModelEvent.DELETE:
				if (event.getFirstRow() != TableModelEvent.HEADER_ROW) {
					break;
				}
				return COLUMN_DELETED;
			}
		}
		throw new IllegalArgumentException("What the hell is this? " + event);
	}
}