Table.ColumnGenerator (vaadin-server 7.7-SNAPSHOT API)

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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`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.