com.vaadin.ui
Interface Table.ColumnGenerator

All Superinterfaces:

Serializable

Enclosing class:

Table

public static interface Table.ColumnGenerator
extends Serializable

Used to create "generated columns"; columns that exist only in the Table, not in the underlying Container. Implement this interface and pass it to Table.addGeneratedColumn along with an id for the column to be generated.

Method Summary

Object

generateCell(Table source, Object itemId, Object columnId) Called by Table when a cell in a generated column needs to be generated.

Method Detail

generateCell

Object generateCell(Table source,
                    Object itemId,
                    Object columnId)

Called by Table when a cell in a generated column needs to be generated.

Parameters:

source - the source Table

itemId - the itemId (aka rowId) for the of the cell to be generated

columnId - the id for the generated column (as specified in addGeneratedColumn)

Returns:

A Component that should be rendered in the cell or a String that should be displayed in the cell. Other return values are not supported.