DatasetItem (Charba - J2CL and GWT charts library based on CHART.JS)

java.lang.Object
- org.pepstock.charba.client.commons.NativeObjectContainer
- - org.pepstock.charba.client.items.DatasetItem

```
public final class DatasetItem
extends NativeObjectContainer
```
Calling some methods on your chart instance passing an argument of an event, will return the elements at the event position.
Created and passed by CHART.JS and provide dataset information.

Author:

Andrea "Stock" Stocchero

Constructor Summary

Constructors
Constructor and Description

DatasetItem(ChartEnvelop<NativeObject> envelop)
Creates the item using an envelop with the native java script object which contains all properties.

Constructors
Constructor and Description
`DatasetItem(ChartEnvelop<NativeObject> envelop)` Creates the item using an envelop with the native java script object which contains all properties.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`DatasetItemController`	`getController()` Returns the dataset controller.
`List<DatasetElement>`	`getElements()` Returns a list of dataset elements.
`int`	`getIndex()` Returns the dataset index.
`IndexAxis`	`getIndexAxis()` Returns the dataset index axis.
`ScaleId`	`getIndexAxisID()` Returns the index axis ID.
`ScaleItem`	`getIndexScale()` Returns the index scale item or `null` if not exists. If `IndexAxis` = `IndexAxis.Y` then iScale === yScale and vScale === xScale. For radar, iScale === vScale === rScale.
`String`	`getLabel()` Returns the dataset label.
`int`	`getOrder()` Returns the dataset order.
`ScaleId`	`getRAxisID()` Returns the R axis ID.
`ScaleItem`	`getRScale()` Returns the R scale item or `null` if not exists.
`double`	`getTotal()` Returns the dataset total value of data.
`Type`	`getType()` Returns the type of dataset.
`ScaleId`	`getValueAxisID()` Returns the value axis ID.
`ScaleItem`	`getValueScale()` Returns the value scale item or `null` if not exists. If `IndexAxis` = `IndexAxis.Y` then iScale === yScale and vScale === xScale. For radar, iScale === vScale === rScale.
`ScaleId`	`getXAxisID()` Returns the X axis ID.
`ScaleItem`	`getXScale()` Returns the X scale item or `null` if not exists.
`ScaleId`	`getYAxisID()` Returns the Y axis ID.
`ScaleItem`	`getYScale()` Returns the Y scale item or `null` if not exists.
`boolean`	`isHidden()` Returns if the dataset is hidden.
`boolean`	`isVisible()` Returns if the dataset is visible.

Methods inherited from class org.pepstock.charba.client.commons.NativeObjectContainer
checkDefaultValuesArgument, empty, getArrayValue, getElement, getIncrementalId, getNativeChart, getNativeEvent, getNativeObject, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValueForMultipleKeyTypes, getValueForMultipleKeyTypes, getValueForMultipleKeyTypes, getValueOrArray, getValueOrArray, getValueOrArray, getValueOrArray, getValueOrArray, getValueOrArray, getValueOrArray, getValueOrArray, has, has, isType, keys, loadNativeObject, remove, remove, setArrayValue, setArrayValue, setArrayValue, setElement, setEmptyValue, setNewIncrementalId, setNewIncrementalId, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, setValueOrArray, toJSON, type

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DatasetItem
```
public DatasetItem(ChartEnvelop<NativeObject> envelop)
```
    Creates the item using an envelop with the native java script object which contains all properties.
    
    Parameters:
    
    envelop - envelop with the native java script object which contains all properties.
- Method Detail
  - getController
```
public DatasetItemController getController()
```
    Returns the dataset controller.
    
    Returns:
    
    the dataset controller
  - getType
```
public Type getType()
```
    Returns the type of dataset.
    
    Returns:
    
    the type of dataset. If not set or invalid, the default is ChartType.BAR.
  - isVisible
```
public boolean isVisible()
```
    Returns if the dataset is visible.
    
    Returns:
    
    true if the dataset is visible, otherwise is Undefined.BOOLEAN.
  - isHidden
```
public boolean isHidden()
```
    Returns if the dataset is hidden.
    
    Returns:
    
    true if the dataset is hidden, otherwise is Undefined.BOOLEAN.
  - getIndex
```
public int getIndex()
```
    Returns the dataset index.
    
    Returns:
    
    the dataset index.
  - getIndexAxis
```
public IndexAxis getIndexAxis()
```
    Returns the dataset index axis.
    
    Returns:
    
    the dataset index axis or null if not found.
  - getOrder
```
public int getOrder()
```
    Returns the dataset order.
    
    Returns:
    
    the dataset order.
  - getLabel
```
public String getLabel()
```
    Returns the dataset label.
    
    Returns:
    
    the dataset label.
  - getYAxisID
```
public ScaleId getYAxisID()
```
    Returns the Y axis ID.
    
    Returns:
    
    the Y axis ID.
  - getYScale
```
public ScaleItem getYScale()
```
    Returns the Y scale item or null if not exists.
    
    Returns:
    
    the Y scale item or null if not exists
  - getXAxisID
```
public ScaleId getXAxisID()
```
    Returns the X axis ID.
    
    Returns:
    
    the X axis ID.
  - getXScale
```
public ScaleItem getXScale()
```
    Returns the X scale item or null if not exists.
    
    Returns:
    
    the X scale item or null if not exists
  - getRAxisID
```
public ScaleId getRAxisID()
```
    Returns the R axis ID.
    
    Returns:
    
    the R axis ID.
  - getRScale
```
public ScaleItem getRScale()
```
    Returns the R scale item or null if not exists.
    
    Returns:
    
    the R scale item or null if not exists
  - getValueAxisID
```
public ScaleId getValueAxisID()
```
    Returns the value axis ID.
    
    Returns:
    
    the value axis ID.
  - getValueScale
```
public ScaleItem getValueScale()
```
    Returns the value scale item or null if not exists.
    If IndexAxis = IndexAxis.Y then iScale === yScale and vScale === xScale.
    For radar, iScale === vScale === rScale.
    
    Returns:
    
    the value scale item or null if not exists
  - getIndexAxisID
```
public ScaleId getIndexAxisID()
```
    Returns the index axis ID.
    
    Returns:
    
    the index axis ID.
  - getIndexScale
```
public ScaleItem getIndexScale()
```
    Returns the index scale item or null if not exists.
    If IndexAxis = IndexAxis.Y then iScale === yScale and vScale === xScale.
    For radar, iScale === vScale === rScale.
    
    Returns:
    
    the index scale item or null if not exists
  - getTotal
```
public double getTotal()
```
    Returns the dataset total value of data.
    
    Returns:
    
    the dataset total value of data.
  - getElements
```
public List<DatasetElement> getElements()
```
    Returns a list of dataset elements.
    
    Returns:
    
    a list of dataset elements.

Class DatasetItem

Constructor Summary

Method Summary

Methods inherited from class org.pepstock.charba.client.commons.NativeObjectContainer

Methods inherited from class java.lang.Object

Constructor Detail

DatasetItem

Method Detail

getController

getType

isVisible

isHidden

getIndex

getIndexAxis

getOrder

getLabel

getYAxisID

getYScale

getXAxisID

getXScale

getRAxisID

getRScale

getValueAxisID

getValueScale

getIndexAxisID

getIndexScale

getTotal

getElements