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/* Glazed Lists (c) 2003-2006 */
/* http://publicobject.com/glazedlists/ publicobject.com,*/
/* O'Dell Engineering Ltd.*/
package ca.odell.glazedlists.gui;
/**
* Specifies how to edit the elements of table.
*
* <p>This class can be used as an alternative to the simple {@link TableFormat}
* class to provide editable cells. The
* {@link ca.odell.glazedlists.swing.DefaultEventTableModel EventTableModel} detects if a
* class implements {@link WritableTableFormat} for modifying the table. If a table
* is not editable at all, it is sufficient to implement {@link TableFormat}
* only.
*
* @author <a href="mailto:jesse@swank.ca">Jesse Wilson</a>
*
* @see AdvancedTableFormat
* @see TableFormat
*/
public interface WritableTableFormat<E> extends TableFormat<E> {
/**
* For editing fields. This returns true if the specified Object in the
* specified column can be edited by the user.
*
* @param baseObject the Object to test as editable or not. This will be
* an element from the source list.
* @param column the column to test.
* @return true if the object and column are editable, false otherwise.
* @since 2004-August-27, as a replacement for isColumnEditable(int).
*/
public boolean isEditable(E baseObject, int column);
/**
* Sets the specified field of the base object to the edited value. When
* a column of a table is edited, this method is called so that the user
* can specify how to modify the base object for each column.
*
* @param baseObject the Object to be edited. This will be the original
* Object from the source list.
* @param editedValue the newly constructed value for the edited column
* @param column the column which has been edited
* @return the revised Object, or null if the revision shall be discarded.
* If not null, the EventTableModel will set() this revised value in
* the list and overwrite the previous value.
*/
public E setColumnValue(E baseObject, Object editedValue, int column);
}
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