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

java.lang.Object
- org.pepstock.charba.client.commons.NativeObjectContainer
- - org.pepstock.charba.client.callbacks.ChartContext
  - - org.pepstock.charba.client.zoom.ZoomContext

```
public final class ZoomContext
extends ChartContext
```
The callback or handler context, created and passed by ZoomPlugin.ID which contains the link to the native chart and the event.

Author:

Andrea "Stock" Stocchero

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`checkIfPropertyIsValid(Key property)`	Checks if the key passed as argument is a key already used for other context properties.
`AbstractConfigurationItem`	`getElement()`	Returns the `ZoomPlugin` configuration element.
`EventPoint`	`getPoint()`	Returns the position of the event when pan or zoom are about to start.
`protected boolean`	`isConsistent()`	Returns `true` if the context is consistent. Custom context (the plugin ones) should extend it and check if the context is consistent before invoking the callback.

Methods inherited from class org.pepstock.charba.client.callbacks.ChartContext
getAttribute, getAttribute, getAttribute, getAttribute, getAttributes, getChart, getType, hasAttributes, setAttribute, setAttribute, setAttribute, setAttribute, setAttributes

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

- Method Detail
  - getElement
```
public AbstractConfigurationItem getElement()
```
    Returns the ZoomPlugin configuration element.
    
    Returns:
    
    the ZoomPlugin configuration element
  - getPoint
```
public EventPoint getPoint()
```
    Returns the position of the event when pan or zoom are about to start.
    
    Returns:
    
    the position of the event when pan or zoom are about to start
  - isConsistent
```
protected boolean isConsistent()
```
    Description copied from class: ChartContext
    
    Returns true if the context is consistent.
    Custom context (the plugin ones) should extend it and check if the context is consistent before invoking the callback.
    
    Overrides:
    
    isConsistent in class ChartContext
    
    Returns:
    
    true if the context is consistent
  - checkIfPropertyIsValid
```
protected boolean checkIfPropertyIsValid(Key property)
```
    Description copied from class: ChartContext
    
    Checks if the key passed as argument is a key already used for other context properties.
    
    Overrides:
    
    checkIfPropertyIsValid in class ChartContext
    
    Parameters:
    
    property - property to use to store a custom attribute
    
    Returns:
    
    true if the property can be used to store an attribute.