项目结构调整

Others/Live-Charts-master/UwpView/OhlcSeries.cs

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+//The MIT License(MIT)
+
+//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
+
+//Permission is hereby granted, free of charge, to any person obtaining a copy
+//of this software and associated documentation files (the "Software"), to deal
+//in the Software without restriction, including without limitation the rights
+//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//copies of the Software, and to permit persons to whom the Software is
+//furnished to do so, subject to the following conditions:
+
+//The above copyright notice and this permission notice shall be included in all
+//copies or substantial portions of the Software.
+
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//SOFTWARE.
+
+using System;
+using Windows.UI;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Shapes;
+using LiveCharts.Definitions.Points;
+using LiveCharts.Definitions.Series;
+using LiveCharts.SeriesAlgorithms;
+using LiveCharts.Uwp.Charts.Base;
+using LiveCharts.Uwp.Points;
+using LiveCharts.Uwp.Components;
+
+namespace LiveCharts.Uwp
+{
+    /// <summary>
+    /// The OHCL series defines a financial series, add this series to a cartesian chart
+    /// </summary>
+    public class OhlcSeries : Series, IFinancialSeriesView
+    {
+        #region Constructors
+        /// <summary>
+        /// Initializes a new instance of OhclSeries class
+        /// </summary>
+        public OhlcSeries()
+        {
+            Model = new OhlcAlgorithm(this);
+            InitializeDefuaults();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of OhclSeries class with a given mapper
+        /// </summary>
+        /// <param name="configuration"></param>
+        public OhlcSeries(object configuration)
+        {
+            Model = new OhlcAlgorithm(this);
+            Configuration = configuration;
+            InitializeDefuaults();
+        }
+
+        #endregion
+
+        #region Private Properties
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// The maximum column width property
+        /// </summary>
+        public static readonly DependencyProperty MaxColumnWidthProperty = DependencyProperty.Register(
+            "MaxColumnWidth", typeof (double), typeof (OhlcSeries), new PropertyMetadata(35d));
+        /// <summary>
+        /// Gets or sets the maximum with of a point, a point will be capped to this width.
+        /// </summary>
+        /// <value>
+        /// The maximum width of the column.
+        /// </value>
+        public double MaxColumnWidth
+        {
+            get { return (double) GetValue(MaxColumnWidthProperty); }
+            set { SetValue(MaxColumnWidthProperty, value); }
+        }
+
+        /// <summary>
+        /// The increase brush property
+        /// </summary>
+        public static readonly DependencyProperty IncreaseBrushProperty = DependencyProperty.Register(
+            "IncreaseBrush", typeof (Brush), typeof (OhlcSeries), new PropertyMetadata(new SolidColorBrush(Color.FromArgb(255, 254, 178, 0))));
+        /// <summary>
+        /// Gets or sets the brush of the point when close value is grater than open value
+        /// </summary>
+        public Brush IncreaseBrush
+        {
+            get { return (Brush) GetValue(IncreaseBrushProperty); }
+            set { SetValue(IncreaseBrushProperty, value); }
+        }
+
+        /// <summary>
+        /// The decrease brush property
+        /// </summary>
+        public static readonly DependencyProperty DecreaseBrushProperty = DependencyProperty.Register(
+            "DecreaseBrush", typeof (Brush), typeof (OhlcSeries), new PropertyMetadata(new SolidColorBrush(Color.FromArgb(255, 238, 83, 80))));
+        /// <summary>
+        /// Gets or sets the brush of the point when close value is less than open value
+        /// </summary>
+        public Brush DecreaseBrush
+        {
+            get { return (Brush) GetValue(DecreaseBrushProperty); }
+            set { SetValue(DecreaseBrushProperty, value); }
+        }
+
+        #endregion
+
+        #region Overridden Methods
+
+        /// <summary>
+        /// This method runs when the update starts
+        /// </summary>
+        public override void OnSeriesUpdateStart()
+        {
+            //do nothing on updateStart
+        }
+
+        /// <summary>
+        /// Gets the view of a given point
+        /// </summary>
+        /// <param name="point"></param>
+        /// <param name="label"></param>
+        /// <returns></returns>
+        public override IChartPointView GetPointView(ChartPoint point, string label)
+        {
+            var pbv = (OhlcPointView) point.View;
+
+            if (pbv == null)
+            {
+                pbv = new OhlcPointView
+                {
+                    IsNew = true,
+                    HighToLowLine = new Line(),
+                    OpenLine = new Line(),
+                    CloseLine = new Line()
+                };
+
+                Model.Chart.View.AddToDrawMargin(pbv.HighToLowLine);
+                Model.Chart.View.AddToDrawMargin(pbv.OpenLine);
+                Model.Chart.View.AddToDrawMargin(pbv.CloseLine);
+            }
+            else
+            {
+                pbv.IsNew = false;
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.HighToLowLine);
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.OpenLine);
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.CloseLine);
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
+            }
+
+            pbv.HighToLowLine.StrokeThickness = StrokeThickness;
+            pbv.CloseLine.StrokeThickness = StrokeThickness;
+            pbv.OpenLine.StrokeThickness = StrokeThickness;
+
+            pbv.HighToLowLine.StrokeDashArray = StrokeDashArray;
+            pbv.CloseLine.StrokeDashArray = StrokeDashArray;
+            pbv.OpenLine.StrokeDashArray = StrokeDashArray;
+
+            pbv.HighToLowLine.Visibility = Visibility;
+            pbv.CloseLine.Visibility = Visibility;
+            pbv.OpenLine.Visibility = Visibility;
+
+            var i = Canvas.GetZIndex(this);
+            Canvas.SetZIndex(pbv.HighToLowLine, i);
+            Canvas.SetZIndex(pbv.CloseLine, i);
+            Canvas.SetZIndex(pbv.OpenLine, i);
+
+            if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
+            {
+                pbv.HoverShape = new Rectangle
+                {
+                    Fill = new SolidColorBrush(Colors.Transparent),
+                    StrokeThickness = 0
+                };
+
+                Canvas.SetZIndex(pbv.HoverShape, short.MaxValue);
+
+                var uwpfChart = (Chart)Model.Chart.View;
+                uwpfChart.AttachHoverableEventTo(pbv.HoverShape);
+
+                Model.Chart.View.AddToDrawMargin(pbv.HoverShape);
+            }
+
+            if (pbv.HoverShape != null) pbv.HoverShape.Visibility = Visibility;
+
+            if (DataLabels)
+            {
+                pbv.DataLabel = UpdateLabelContent(new DataLabelViewModel
+                {
+                    FormattedText = label,
+                    Instance = point.Instance
+                }, pbv.DataLabel);
+            }
+
+            if (point.Open < point.Close)
+            {
+                pbv.HighToLowLine.Stroke = IncreaseBrush;
+                pbv.CloseLine.Stroke = IncreaseBrush;
+                pbv.OpenLine.Stroke = IncreaseBrush;
+            }
+            else
+            {
+                pbv.HighToLowLine.Stroke = DecreaseBrush;
+                pbv.CloseLine.Stroke = DecreaseBrush;
+                pbv.OpenLine.Stroke = DecreaseBrush;
+            }
+
+            return pbv;
+        }
+
+        #endregion
+
+        #region Private Methods
+
+        private void InitializeDefuaults()
+        {
+            //this.SetIfNotSet(StrokeThicknessProperty, 2.5d);
+            //this.SetIfNotSet(MaxColumnWidthProperty, 35d);
+
+            Func<ChartPoint, string> defaultLabel = x =>
+                $"O: {x.Open}, H: {x.High}, L: {x.Low} C: {x.Close}";
+            /*Current*/
+            SetValue(LabelPointProperty, defaultLabel);
+
+            DefaultFillOpacity = 1;
+        }
+
+        #endregion
+    }
+}