Package com.storedobject.chart

Interface TreeDataProvider

All Superinterfaces:

ComponentPart, ComponentProperty

All Known Implementing Classes:

TreeData

public interface TreeDataProvider
extends ComponentPart

Representation of tree-type data.

Author:

Syam

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	TreeDataProvider.Label	Label used within the TreeDataProvider class.

Method Summary

Modifier and Type	Method	Description
default void	encodeJSON(StringBuilder sb)	Encode the JSON string with the properties of this.
Stream<? extends TreeDataProvider>	getChildren()	Get the child nodes.
default ItemStyle	getItemStyle(boolean create)	Get item style.
default TreeDataProvider.Label	getLabel(boolean create)	Get the label for this tree node.
Number	getValue()	Get data value.
default void	validate()	This method is invoked by SOChart to check if the component or part is valid or not.

Methods inherited from interface com.storedobject.chart.ComponentPart

className, getId, getName, getRenderingIndex, getSerial, setName, setRenderingIndex, setSerial

Method Details

getValue

Number getValue()

Get data value.

Returns:

Value.

getChildren

Stream<? extends TreeDataProvider> getChildren()

Get the child nodes.

Returns:

Child nodes as a stream.

encodeJSON

default void encodeJSON(StringBuilder sb)

Description copied from interface: ComponentProperty

Encode the JSON string with the properties of this.

Specified by:

encodeJSON in interface ComponentProperty

Parameters:

sb - Encoded JSON string to be appended to this.

validate

default void validate()

Description copied from interface: ComponentPart

This method is invoked by SOChart to check if the component or part is valid or not.

Specified by:

validate in interface ComponentPart

getLabel

default TreeDataProvider.Label getLabel(boolean create)

Get the label for this tree node.

Parameters:

create - Whether to create it if not exists.

Returns:

Return the label.

getItemStyle

default ItemStyle getItemStyle(boolean create)

Get item style.

Parameters:

create - If passed true, a new style is created if not exists.

Returns:

Item style.