KLineController class

Inheritance

Constructors

KLineController()

Properties

bollBandwidth ↔ int
BOLL Bandwidth (P)
getter/setter pair
bollPeriod ↔ int
BOLL Calculating Period (N)
getter/setter pair
candleStyle ↔ KLineCandleStyle
getter/setter pair
chartStyle ↔ KLineChartStyle
getter/setter pair
crosshairStyle ↔ KLineCrosshairStyle
getter/setter pair
data ↔ List<KLineData>
getter/setter pair
dataVersion → int
no setter
hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
indicatorColors ↔ List<Color>
getter/setter pair
indicatorFormatter ↔ KLineIndicatorFormatter?
Formats indicator values such as MA, MACD, RSI, KDJ, WR, and OBV.
getter/setter pair
indicatorInfoHeight ↔ double
indicator information height
getter/setter pair
indicatorSpacing ↔ double
spacing between indicator
getter/setter pair
infoStyle ↔ KLineInfoStyle
getter/setter pair
infoWidgetBorder ↔ Border
getter/setter pair
infoWidgetBorderRadius ↔ double
getter/setter pair
infoWidgetMargin ↔ EdgeInsets
getter/setter pair
infoWidgetMaxWidth ↔ double?
set null to fix text's width
getter/setter pair
infoWidgetPadding ↔ EdgeInsets
getter/setter pair
isDebug ↔ bool
getter/setter pair
itemCount ↔ double
current display item count (candle count)
getter/setter pair
itemWidth ↔ double
current item width (candle width)
getter/setter pair
kdjPeriods ↔ List<int>
KDJ periods
getter/setter pair
klineMargin ↔ EdgeInsets
kline view margin
getter/setter pair
lastDataChange → KLineDataChange?
no setter
longPressOffset ↔ LongPressOffset
getter/setter pair
macdPeriods ↔ List<int>
MACD periods
getter/setter pair
mainIndicatorInfoMargin ↔ double
getter/setter pair
maxCount ↔ double
max candle count
getter/setter pair
maxTrailingBlankItemCount ↔ double
Maximum empty candle slots that can be revealed after the latest data item.
getter/setter pair
minCount ↔ double
min candle count
getter/setter pair
minTrailingVisibleItemCount ↔ double
Minimum real data items kept visible when scrolled to the trailing blank edge.
getter/setter pair
overlays ↔ List<KLineOverlay>
getter/setter pair
overlayStyle ↔ KLineOverlayStyle
getter/setter pair
overlayVersion → int
no setter
priceAxisMaxTickCount ↔ int
Maximum price ticks drawn on the main price axis.
getter/setter pair
priceAxisMinTickSpacing ↔ double
Minimum vertical spacing between adjacent price axis labels.
getter/setter pair
priceFormatter ↔ KLineNumberFormatter?
Formats price values such as open, high, low, close, rulers, and markers.
getter/setter pair
randomColor ↔ Color
getter/setter pair
rsiPeriods ↔ List<int>
RSI periods
getter/setter pair
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
sarColor ↔ Color
SAR point color
getter/setter pair
sarIncrement ↔ double
SAR acceleration factor step value
getter/setter pair
sarMax ↔ double
SAR maximum acceleration factor
getter/setter pair
sarStart ↔ double
SAR acceleration factor start value
getter/setter pair
showMainIndicators ↔ List<IndicatorType>
show main indicator
getter/setter pair
showSubIndicators ↔ List<IndicatorType>
show sub indicator
getter/setter pair
showTimeAxis ↔ bool
Whether to draw the bottom time axis.
getter/setter pair
showTimeChart ↔ bool
getter/setter pair
spacing ↔ double
spacing between candle
getter/setter pair
subIndicatorHeight ↔ double
sub indicator height
getter/setter pair
subIndicatorInfoMargin ↔ double
getter/setter pair
timeAxisHeight ↔ double
Height reserved for the bottom time axis when enabled.
getter/setter pair
timeAxisMinLabelSpacing ↔ double
Minimum horizontal spacing between adjacent time axis labels.
getter/setter pair
timeFormatter ↔ KLineTimeFormatter?
Formats bottom time axis labels.
getter/setter pair
trailingBlankItemCount ↔ double
Empty candle slots shown after the latest data item when aligned to the end.
getter/setter pair
volMaPeriods ↔ List<int>
VOL MA periods
getter/setter pair
volumeFormatter ↔ KLineNumberFormatter?
Formats volume values such as candle volume and volume rulers.
getter/setter pair
volumeStyle ↔ KLineVolumeStyle
getter/setter pair
wrPeriods ↔ List<int>
WR periods
getter/setter pair

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
append(KLineData value) → void
clearData() → void
clearOverlays() → void
currentPeriods(IndicatorType type) → List<int>
dispose() → void
Discards any resources used by the object.
inherited
drawDebugRect(Canvas canvas, Rect rect, Color color) → void
formatCurrentPrice(double value) → String
formatIndicator(double value, IndicatorType type, {int? period}) → String
formatPrice(double value) → String
formatTime(DateTime time, KLineTimeLabelGranularity granularity) → String
formatVolume(double value) → String
itemWidthFor(double totalWidth) → double
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
prependHistory(List<KLineData> values) → void
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
setData(List<KLineData> value, {bool resetView = true}) → void
setOverlays(List<KLineOverlay> value) → void
toString() → String
A string representation of this object.
inherited
updateLast(KLineData value) → void

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Properties

shared → KLineController
final

Static Methods

beginIndexForScrollOffset({required double offset, required double itemExtent, required double itemCount, required int dataLength, double trailingBlankItemCount = 0, double minTrailingVisibleItemCount = 3}) → double
dataIndexForLocalX({required double localX, required double beginIndex, required double itemWidth, required double spacing, required int dataLength}) → int
effectiveTrailingBlankItemCountFor({required double itemCount, required double trailingBlankItemCount, required double minTrailingVisibleItemCount}) → double
getItemWidth(double totalWidth, {KLineController? controller}) → double
itemCenterXForDataIndex({required int dataIndex, required double beginIndex, required double itemWidth, required double spacing}) → double
maxBeginIndexFor({required int dataLength, required double itemCount, double trailingBlankItemCount = 0, double minTrailingVisibleItemCount = 3}) → double
zoomForScale({required double startBeginIndex, required double startItemCount, required double scale, required double startFocalDx, required double currentFocalDx, required double viewportWidth, required int dataLength, required double minItemCount, required double maxItemCount, double trailingBlankItemCount = 0, double minTrailingVisibleItemCount = 3}) → KLineZoomResult