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jdashboardUI.b4xlib · Public API only

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Reference visual

Documentation reference created from the real component type. It is not an exact screenshot.

REFERENCE

Charts & Visualization · jdashboardUI 23.5 · B4J / JavaFX

Financial OHLC candlestick chart for open, high, low and close values per period.

The image shown on this page is a documentation reference visual. It is not intended to be a pixel-perfect screenshot; the real result depends on size, theme, colors and data.

Highlights

PNG export
Configurable animation
Configurable grid / axes
Configurable title

When to use it

Financial OHLC candlestick chart for open, high, low and close values per period.

Designer Properties

This module does not declare Designer Properties.

Creation and lifecycle

Private JCandlestickChart1 As JCandlestickChart

JCandlestickChart1.Initialize(Me, "JCandlestickChart1")
JCandlestickChart1.AddToParent(Root, 20dip, 20dip, 640dip, 360dip)

Working example

Dim L As List
L.Initialize2(Array As String("Mon", "Tue", "Wed", "Thu"))
Dim O As List
O.Initialize2(Array As Double(101, 108, 104, 112))
Dim H As List
H.Initialize2(Array As Double(112, 115, 113, 120))
Dim Lo As List
Lo.Initialize2(Array As Double(98, 103, 100, 108))
Dim C As List
C.Initialize2(Array As Double(108, 105, 111, 118))
JCandlestickChart1.SetData(L, O, H, Lo, C)

Normalized B4X properties

Compatible public getX/setX accessors are presented as normal B4X properties. Parameterized accessors remain documented as methods.

Property	Access	Type
TextTitle	write	String
ShowGrid	write	Boolean
ShowAxes	write	Boolean
ShowYAxisValues	write	Boolean
ShowValues	write	Boolean
Suffix	write	String
BarSpacing	write	Float

Events

No public events are declared in the analyzed version.

Export and rendering

When the module exposes SaveAsPNG / SavePNG, the rendered control can be saved directly to PNG. Check the returned Boolean when provided.

Source-backed notes for the analyzed version

SetData requires matching Open / High / Low / Close lists for each label.

Complete public API

Initialize(Callback As Object, EventName As String)
AddToParent(Parent As B4XView, Left As Int, Top As Int, Width As Int, Height As Int)
DesignerCreateView(Base As Object, Lbl As Label, Props As Map)
setTextTitle(Value As String)
setShowGrid(Value As Boolean)
setShowAxes(Value As Boolean)
setShowYAxisValues(Value As Boolean)
setShowValues(Value As Boolean)
setAnimation(Enabled As Boolean, DurationMs As Int)
SetTheme(TextColor As Int, GridColor As Int, BackgroundColor As Int)
setSuffix(Value As String)
SaveAsPNG(Dir As String, FileName As String) As Boolean
SetData(Labels As List, OpenValues As List, HighValues As List, LowValues As List, CloseValues As List) As Boolean
setBarSpacing(Value As Float)

JChartRenderer
JTimeLine

JCandlestickChart