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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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项目结构调整
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艾竹
294
Others/Live-Charts-master/WpfView/StepLineSeries.cs
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294
Others/Live-Charts-master/WpfView/StepLineSeries.cs
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//The MIT License(MIT)
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//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
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//Permission is hereby granted, free of charge, to any person obtaining a copy
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//of this software and associated documentation files (the "Software"), to deal
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//in the Software without restriction, including without limitation the rights
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//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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//copies of the Software, and to permit persons to whom the Software is
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//furnished to do so, subject to the following conditions:
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//The above copyright notice and this permission notice shall be included in all
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//copies or substantial portions of the Software.
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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//SOFTWARE.
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Shapes;
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using LiveCharts.Definitions.Points;
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using LiveCharts.Definitions.Series;
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using LiveCharts.SeriesAlgorithms;
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using LiveCharts.Wpf.Charts.Base;
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using LiveCharts.Wpf.Components;
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using LiveCharts.Wpf.Points;
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namespace LiveCharts.Wpf
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{
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/// <summary>
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/// The Step line series.
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/// </summary>
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public class StepLineSeries : Series, IFondeable, IAreaPoint
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{
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#region Constructors
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/// <summary>
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/// Initializes a new instance of BubbleSeries class
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/// </summary>
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public StepLineSeries()
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{
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Model = new StepLineAlgorithm(this);
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InitializeDefuaults();
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}
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/// <summary>
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/// Initializes a new instance of BubbleSeries class using a given mapper
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/// </summary>
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/// <param name="configuration"></param>
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public StepLineSeries(object configuration)
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{
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Model = new ScatterAlgorithm(this);
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Configuration = configuration;
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InitializeDefuaults();
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}
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#endregion
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#region Private Properties
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#endregion
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#region Properties
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/// <summary>
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/// The point geometry size property
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/// </summary>
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public static readonly DependencyProperty PointGeometrySizeProperty = DependencyProperty.Register(
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"PointGeometrySize", typeof(double), typeof(StepLineSeries),
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new PropertyMetadata(default(double), CallChartUpdater()));
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/// <summary>
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/// Gets or sets the point geometry size, increasing this property will make the series points bigger
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/// </summary>
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public double PointGeometrySize
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{
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get { return (double)GetValue(PointGeometrySizeProperty); }
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set { SetValue(PointGeometrySizeProperty, value); }
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}
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/// <summary>
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/// The point foreround property
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/// </summary>
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public static readonly DependencyProperty PointForegroundProperty = DependencyProperty.Register(
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"PointForeground", typeof(Brush), typeof(StepLineSeries),
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new PropertyMetadata(default(Brush)));
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/// <summary>
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/// Gets or sets the point shape foreground.
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/// </summary>
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public Brush PointForeground
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{
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get { return (Brush)GetValue(PointForegroundProperty); }
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set { SetValue(PointForegroundProperty, value); }
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}
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/// <summary>
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/// The alternative stroke property
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/// </summary>
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public static readonly DependencyProperty AlternativeStrokeProperty = DependencyProperty.Register(
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"AlternativeStroke", typeof (Brush), typeof (StepLineSeries), new PropertyMetadata(default(Brush)));
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/// <summary>
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/// Gets or sets the alternative stroke.
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/// </summary>
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/// <value>
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/// The alternative stroke.
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/// </value>
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public Brush AlternativeStroke
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{
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get { return (Brush) GetValue(AlternativeStrokeProperty); }
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set { SetValue(AlternativeStrokeProperty, value); }
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}
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/// <summary>
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/// The inverted mode property
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/// </summary>
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public static readonly DependencyProperty InvertedModeProperty = DependencyProperty.Register(
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"InvertedMode", typeof(bool), typeof(StepLineSeries), new PropertyMetadata(default(bool), CallChartUpdater()));
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/// <summary>
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/// Gets or sets a value indicating whether the series should be drawn using the inverted mode.
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/// </summary>
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/// <value>
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/// <c>true</c> if [inverted mode]; otherwise, <c>false</c>.
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/// </value>
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public bool InvertedMode
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{
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get { return (bool) GetValue(InvertedModeProperty); }
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set { SetValue(InvertedModeProperty, value); }
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}
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#endregion
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#region Overridden Methods
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/// <summary>
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/// Gets the view of a given point
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/// </summary>
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/// <param name="point"></param>
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/// <param name="label"></param>
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/// <returns></returns>
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public override IChartPointView GetPointView(ChartPoint point, string label)
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{
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var pbv = (StepLinePointView) point.View;
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if (pbv == null)
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{
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pbv = new StepLinePointView
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{
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IsNew = true,
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Line2 = new Line(),
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Line1 = new Line()
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};
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Model.Chart.View.AddToDrawMargin(pbv.Line2);
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Model.Chart.View.AddToDrawMargin(pbv.Line1);
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Model.Chart.View.AddToDrawMargin(pbv.Shape);
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}
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else
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{
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pbv.IsNew = false;
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point.SeriesView.Model.Chart.View
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.EnsureElementBelongsToCurrentDrawMargin(pbv.Shape);
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point.SeriesView.Model.Chart.View
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.EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
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point.SeriesView.Model.Chart.View
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.EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
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point.SeriesView.Model.Chart.View
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.EnsureElementBelongsToCurrentDrawMargin(pbv.Line2);
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point.SeriesView.Model.Chart.View
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.EnsureElementBelongsToCurrentDrawMargin(pbv.Line1);
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}
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pbv.Line1.StrokeThickness = StrokeThickness;
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pbv.Line1.Stroke = AlternativeStroke;
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pbv.Line1.StrokeDashArray = StrokeDashArray;
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pbv.Line1.Visibility = Visibility;
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Panel.SetZIndex(pbv.Line1, Panel.GetZIndex(this));
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pbv.Line2.StrokeThickness = StrokeThickness;
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pbv.Line2.Stroke = Stroke;
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pbv.Line2.StrokeDashArray = StrokeDashArray;
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pbv.Line2.Visibility = Visibility;
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Panel.SetZIndex(pbv.Line2, Panel.GetZIndex(this));
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if (PointGeometry != null && Math.Abs(PointGeometrySize) > 0.1 && pbv.Shape == null)
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{
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if (PointGeometry != null)
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{
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pbv.Shape = new Path
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{
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Stretch = Stretch.Fill,
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StrokeThickness = StrokeThickness
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};
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}
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Model.Chart.View.AddToDrawMargin(pbv.Shape);
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}
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if (pbv.Shape != null)
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{
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pbv.Shape.Fill = PointForeground;
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pbv.Shape.StrokeThickness = StrokeThickness;
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pbv.Shape.Stroke = Stroke;
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pbv.Shape.StrokeDashArray = StrokeDashArray;
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pbv.Shape.Visibility = Visibility;
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pbv.Shape.Width = PointGeometrySize;
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pbv.Shape.Height = PointGeometrySize;
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pbv.Shape.Data = PointGeometry;
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Panel.SetZIndex(pbv.Shape, Panel.GetZIndex(this) + 1);
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if (point.Stroke != null) pbv.Shape.Stroke = (Brush) point.Stroke;
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if (point.Fill != null) pbv.Shape.Fill = (Brush) point.Fill;
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}
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if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
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{
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pbv.HoverShape = new Rectangle
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{
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Fill = Brushes.Transparent,
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StrokeThickness = 0
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};
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Panel.SetZIndex(pbv.HoverShape, int.MaxValue);
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var wpfChart = (Chart) Model.Chart.View;
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wpfChart.AttachHoverableEventTo(pbv.HoverShape);
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Model.Chart.View.AddToDrawMargin(pbv.HoverShape);
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}
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if (pbv.HoverShape != null) pbv.HoverShape.Visibility = Visibility;
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if (DataLabels)
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{
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pbv.DataLabel = UpdateLabelContent(new DataLabelViewModel
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{
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FormattedText = label,
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Instance = point.Instance
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}, pbv.DataLabel);
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}
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return pbv;
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}
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/// <summary>
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/// Initializes the series colors if they are not set
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/// </summary>
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public override void InitializeColors()
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{
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var wpfChart = (Chart) Model.Chart.View;
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if (Stroke != null && AlternativeStroke != null) return;
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var nextColor = wpfChart.GetNextDefaultColor();
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if (Stroke == null)
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SetValue(StrokeProperty, new SolidColorBrush(nextColor));
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if (AlternativeStroke == null)
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SetValue(AlternativeStrokeProperty, new SolidColorBrush(nextColor));
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}
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#endregion
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#region Public methods
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/// <summary>
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/// Gets the point diameter.
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/// </summary>
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/// <returns></returns>
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public double GetPointDiameter()
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{
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return PointGeometrySize/2;
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}
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#endregion
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#region Private Methods
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private void InitializeDefuaults()
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{
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SetCurrentValue(PointGeometrySizeProperty, 8d);
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SetCurrentValue(PointForegroundProperty, Brushes.White);
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SetCurrentValue(StrokeThicknessProperty, 2d);
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Func<ChartPoint, string> defaultLabel = x => Model.CurrentYAxis.GetFormatter()(x.Y);
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SetCurrentValue(LabelPointProperty, defaultLabel);
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DefaultFillOpacity = 0.15;
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}
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#endregion
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}
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}
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