项目结构调整

Others/Live-Charts-master/UwpView/PieSeries.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.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+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 pie series should be added only in a pie chart.
+    /// </summary>
+    public class PieSeries : Series, IPieSeriesView
+    {
+        #region Constructors
+        /// <summary>
+        /// Initializes a new instance of PieSeries class
+        /// </summary>
+        public PieSeries()
+        {
+            Model = new PieAlgorithm(this);
+            InitializeDefuaults();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of PieSeries class with a given mapper.
+        /// </summary>
+        /// <param name="configuration"></param>
+        public PieSeries(object configuration)
+        {
+            Model = new PieAlgorithm(this);
+            Configuration = configuration;
+            InitializeDefuaults();
+        }
+
+        #endregion
+
+        #region Private Properties
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// The push out property
+        /// </summary>
+        public static readonly DependencyProperty PushOutProperty = DependencyProperty.Register(
+            "PushOut", typeof (double), typeof (PieSeries), new PropertyMetadata(default(double), CallChartUpdater()));
+        /// <summary>
+        /// Gets or sets the slice push out, this property highlights the slice
+        /// </summary>
+        public double PushOut
+        {
+            get { return (double) GetValue(PushOutProperty); }
+            set { SetValue(PushOutProperty, value); }
+        }
+
+        /// <summary>
+        /// The label position property
+        /// </summary>
+        public static readonly DependencyProperty LabelPositionProperty = DependencyProperty.Register(
+            "LabelPosition", typeof(PieLabelPosition), typeof(PieSeries),
+            new PropertyMetadata(PieLabelPosition.InsideSlice, CallChartUpdater()));
+        /// <summary>
+        /// Gets or sets the label position.
+        /// </summary>
+        /// <value>
+        /// The label position.
+        /// </value>
+        public PieLabelPosition LabelPosition
+        {
+            get { return (PieLabelPosition)GetValue(LabelPositionProperty); }
+            set { SetValue(LabelPositionProperty, value); }
+        }
+        #endregion
+
+        #region Overridden Methods
+
+        /// <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 = (PiePointView) point.View;
+
+            if (pbv == null)
+            {
+                pbv = new PiePointView
+                {
+                    IsNew = true,
+                    Slice = new PieSlice()
+                };
+                Model.Chart.View.AddToDrawMargin(pbv.Slice);
+            }
+            else
+            {
+                pbv.IsNew = false;
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.Slice);
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
+                point.SeriesView.Model.Chart.View
+                    .EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
+            }
+
+            pbv.Slice.Fill = Fill;
+            pbv.Slice.Stroke = Stroke;
+            pbv.Slice.StrokeThickness = StrokeThickness;
+            pbv.Slice.StrokeDashArray = StrokeDashArray;
+            pbv.Slice.PushOut = PushOut;
+            pbv.Slice.Visibility = Visibility;
+            Canvas.SetZIndex(pbv.Slice, Canvas.GetZIndex(this));
+            
+            if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
+            {
+                pbv.HoverShape = new PieSlice
+                {
+                    Fill = new SolidColorBrush(Windows.UI.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);
+            }
+
+            pbv.OriginalPushOut = PushOut;
+
+            return pbv;
+        }
+
+        #endregion
+
+        #region Private Methods
+
+        private void InitializeDefuaults()
+        {
+            //this.SetIfNotSet(StrokeThicknessProperty, 2d);
+            //this.SetIfNotSet(StrokeProperty, new SolidColorBrush(Windows.UI.Colors.White));
+            //this.SetIfNotSet(ForegroundProperty, new SolidColorBrush(Windows.UI.Colors.White));
+
+            Func<ChartPoint, string> defaultLabel = x => Model.CurrentYAxis.GetFormatter()(x.Y);
+            this.SetIfNotSet(LabelPointProperty, defaultLabel);
+
+            DefaultFillOpacity = 1;
+        }
+
+        #endregion
+    }
+}