GxColumnGroup

GxColumnDefinition
- GxDefaultColumnGroup
- - GxColumnGroup

```
public class GxColumnGroup
extends GxDefaultColumnGroup
implements GxColumnsManagerInterface
```
The class holds the grid column group. With this object you can group several columns and several column groups together to create deep nested structure.

See Also:
[]

Field Summary
Fields
Modifier and Type Field and Description
BBjString GroupId!
The unique ID to give the column.

Fields
Modifier and Type	Field and Description
`BBjString`	`GroupId!` The unique ID to give the column.

Constructor Summary
Constructors
Constructor and Description
GxColumnGroup(BBjString id!)
Construct new GxColumnGroup

GxColumnGroup(BBjString id! , BBjString label!)
Construct new GxColumnGroup

Constructors
Constructor and Description
`GxColumnGroup(BBjString id!)` Construct new GxColumnGroup
`GxColumnGroup(BBjString id! , BBjString label!)` Construct new GxColumnGroup

Method Summary

Methods
Modifier and Type	Method and Description
`GxColumn`	`addColumn(GxColumn definition!)` Add new column definition #Configuration #ColumnsRenderer
`GxColumn`	`addColumn(BBjString field!, BBjNumber type!)` Add new column definition #Configuration #ColumnsRenderer
`GxColumn`	`addColumn(BBjString field!, BBjString label!)` Add new column definition #Configuration #ColumnsRenderer
`GxColumn`	`addColumn(BBjString field!, BBjString label!, BBjNumber type!)` Add new column definition #Configuration #ColumnsRenderer
`GxColumn`	`addColumn(BBjString field!)` Add new column definition #Configuration #ColumnsRenderer
`GxColumnGroup`	`addColumnGroup(GxColumnGroup definition!)` Add column group #Configuration #ColumnsRenderer
`GxColumnGroup`	`addColumnGroup(BBjString id!)` Add column group #Configuration #ColumnsRenderer
`GxColumnGroup`	`addColumnGroup(BBjString id!, BBjString label!)` Add column group #Configuration #ColumnsRenderer
`JsonObject`	`getAsJsonObject()` Convert the definition to Json Object
`GxColumn`	`getColumn(BBjString field!)` Get the column definition instance #Configuration #ColumnsRenderer
`GxColumnGroup`	`getColumnGroup(BBjString id!)` Get the column group definition instance #Configuration #ColumnsRenderer
`BBjNumber`	`hasColumn(BBjString field!)` Check if the column definition exists #Configuration #ColumnsRenderer
`BBjNumber`	`hasColumnGroup(BBjString id!)` Check if the column group definition exists #Configuration #ColumnsRenderer
`GxColumn`	`removeColumn(BBjString field!)` Remove a column definition #Configuration #ColumnsRenderer
`GxColumnGroup`	`removeColumnGroup(BBjString id!)` Remove a column group definition #Configuration #ColumnsRenderer
`void`	`resetAllColumns()` Clear all columns and column groups #Configuration #ColumnsRenderer
`void`	`setGroupId()` Throw an error when called because the group id becomes immutable after the column group's definition creation

- Field Detail
  - GroupId!
```
public BBjString GroupId!
```
    The unique ID to give the column.
- Constructor Detail
  - GxColumnGroup
```
public GxColumnGroup(BBjString id!)
```
    Construct new GxColumnGroup
    
    Parameters:
    BBjString id! The group id
  - GxColumnGroup
```
public GxColumnGroup(BBjString id! , BBjString label!)
```
    Construct new GxColumnGroup
    
    Parameters:
    BBjString id! The group id
    BBjString label! The group label
- Method Detail
  - addColumn
```
public GxColumn addColumn(GxColumn definition!)
```
    Add new column definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn The definition instance
  - addColumn
```
public GxColumn addColumn(BBjString field!, BBjNumber type!)
```
    Add new column definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn The definition instance
  - addColumn
```
public GxColumn addColumn(BBjString field!, BBjString label!)
```
    Add new column definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn The definition instance
  - addColumn
```
public GxColumn addColumn(BBjString field!, BBjString label!, BBjNumber type!)
```
    Add new column definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn The definition instance
  - addColumn
```
public GxColumn addColumn(BBjString field!)
```
    Add new column definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn The definition instance
  - addColumnGroup
```
public GxColumnGroup addColumnGroup(GxColumnGroup definition!)
```
    Add column group
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString id! The group id
    BBjString label! The group label
  - addColumnGroup
```
public GxColumnGroup addColumnGroup(BBjString id!)
```
    Add column group
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString id! The group id
    BBjString label! The group label
  - addColumnGroup
```
public GxColumnGroup addColumnGroup(BBjString id!, BBjString label!)
```
    Add column group
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString id! The group id
    BBjString label! The group label
  - getAsJsonObject
```
public JsonObject getAsJsonObject()
```
    Convert the definition to Json Object
  - getColumn
```
public GxColumn getColumn(BBjString field!)
```
    Get the column definition instance
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn return the column definition instance if found, null() otherwise
  - getColumnGroup
```
public GxColumnGroup getColumnGroup(BBjString id!)
```
    Get the column group definition instance
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString id! The column group definition id
    Returns:
    GxColumn return the column group definition instance if found, null() otherwise
  - hasColumn
```
public BBjNumber hasColumn(BBjString field!)
```
    Check if the column definition exists
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    BBjNumber return 1 when found, 0 otherwise
  - hasColumnGroup
```
public BBjNumber hasColumnGroup(BBjString id!)
```
    Check if the column group definition exists
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString id! The column group definition id
    Returns:
    BBjNumber return 1 when found, 0 otherwise
  - removeColumn
```
public GxColumn removeColumn(BBjString field!)
```
    Remove a column definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString field! The column's definition field
    Returns:
    GxColumn The removed column instance, null() otherwise
  - removeColumnGroup
```
public GxColumnGroup removeColumnGroup(BBjString id!)
```
    Remove a column group definition
    
    #Configuration
    #ColumnsRenderer
    
    Parameters:
    BBjString id! The column group definition id
    Returns:
    GxColumnGroup The removed column group instance, null() otherwise
  - resetAllColumns
```
public void resetAllColumns()
```
    Clear all columns and column groups
    
    #Configuration
    #ColumnsRenderer
  - setGroupId
```
public void setGroupId()
```
    Throw an error when called because the group id becomes immutable after the column group's definition creation

Class GxColumnGroup

Field Summary

Constructor Summary

Method Summary

Field Detail

GroupId!

Constructor Detail

GxColumnGroup

GxColumnGroup

Method Detail

addColumn

addColumn

addColumn

addColumn

addColumn

addColumnGroup

addColumnGroup

addColumnGroup

getAsJsonObject

getColumn

getColumnGroup

hasColumn

hasColumnGroup

removeColumn

removeColumnGroup

resetAllColumns

setGroupId