LineChartData class

Data for the LineChart.

Constructors

LineChartData({required Map<DateTime, double> data, double? predefinedMaxValue, Map<num, num> maxValueRoundingMap = ChartData.defaultMaxValueRoundingMap, RichLabelBuilder<DateTime> xAxisLabelBuilder = GridAxisData.defaultXAxisLabelBuilder, LabelBuilder<double> yAxisLabelBuilder = GridAxisData.defaultYAxisLabelBuilder, TooltipBuilder<double>? titleBuilder, TooltipBuilder<double>? subtitleBuilder, double? limit, String? limitText, LineChartGridType gridType = LineChartGridType.monthly, LineChartDataType dataType = LineChartDataType.bidirectional})
Constructs an instance of LineChartData.
const

Properties

canDraw → bool
Checks whether chart and point could be drawned or not.
no setterinherited
data → Map<DateTime, double>
Map of the values that corresponds to the dates.
finalinherited
dataDirection → LineChartDataDirection
Determines direction of the LineChartDataType.unidirectional data type.
no setter
dataType → LineChartDataType
Data type of the line chart.
final
gridType → LineChartGridType
Grid type of the line chart.
final
hashCode → int
The hash code for this object.
no setter
hasNegativeMinValue → bool
Whether minValue is less than 0.
no setterinherited
lastDivisionIndex → int
Gets last division index.
no setter
limit → double?
Optional limit, corresponds to the limit line on the chart. It is designed to be as a notifier of overuse.
final
limitOverused → bool
Determines whether max value from data is greater than limit. If so - limit is overused. Otherwise - no.
no setter
limitText → String?
Optional limit text that will be printed on the limit label if limit is set.
final
maxValue → double
Determines max value for chart to draw.
no setter
maxValueRoundingMap → Map<num, num>
Rounding map of the maxValue.
finalinherited
minValue → double
Determines min value for chart to draw.
no setterinherited
predefinedMaxValue → double?
Predefined max value for the chart.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
subtitleBuilder → TooltipBuilder<double>
Text builder for the tooltip subtitle.
finalinherited
titleBuilder → TooltipBuilder<double>
Text builder for the tooltip title.
finalinherited
totalValue → double
Determines sum of the maxValue and absolute value of minValue.
no setterinherited
typedData → Map<DateTime, double>
Gets map that contains all days in the month as keys.
no setter
xAxisDates → List<DateTime>
Gets list of DateTime that is used to build X axis labels.
no setter
xAxisDivisions → int
Gets divisions of the X axis.
no setter
xAxisLabelBuilder → RichLabelBuilder<DateTime>
Text builder for the X axis label.
finalinherited
yAxisLabelBuilder → LabelBuilder<double>
Text builder for the Y axis label.
finalinherited

Methods

copyWith({bool allowNullPredefinedMaxValue = false, bool allowNullLimit = false, bool allowNullLimitText = false, Map<DateTime, double>? data, double? predefinedMaxValue, Map<num, num>? maxValueRoundingMap, double? limit, String? limitText, TooltipBuilder? titleBuilder, TooltipBuilder? subtitleBuilder, RichLabelBuilder<DateTime>? xAxisLabelBuilder, LabelBuilder<double>? yAxisLabelBuilder, LineChartGridType? gridType, LineChartDataType? dataType}) → LineChartData
Creates a copy of the current object with new values specified in arguments.
maxValuePredicate(double value) → double
Predicate that must be resolved with max value of the provided data type T.
minValuePredicate(double value) → double
Predicate that must be resolved with min value of the provided data type T.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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