239 lines
8.7 KiB
C#
239 lines
8.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Windows.Media;
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using SciChart.Charting.Visuals.RenderableSeries;
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using SciChart.Data.Numerics;
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using Sicentury.Core.Tree;
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using DrawingColor = System.Drawing.Color;
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namespace MECF.Framework.UI.Client.CenterViews.Core.Charting
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{
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/// <summary>
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/// 需要显示在图表中的项目列表。
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/// </summary>
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public class ChartingLineSeriesCollection : ObservableCollection<IRenderableSeries>
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{
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#region Variables
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private Queue<Color> _colorQueue;
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private readonly Random _colorRandom;
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#endregion
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#region Constructors
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public ChartingLineSeriesCollection(string displayName)
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{
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_colorQueue = GetNewColorPatternQueue();
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_colorRandom = new Random();
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DisplayName = displayName;
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}
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#endregion
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#region Properties
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public string DisplayName { get; }
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#endregion
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#region Methods
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/// <summary>
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/// 获取颜色列队。
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/// </summary>
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/// <returns></returns>
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private static Queue<Color> GetNewColorPatternQueue()
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{
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var colorList = new List<DrawingColor>(new DrawingColor[]
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{
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DrawingColor.Red, DrawingColor.Orange, DrawingColor.Yellow, DrawingColor.Green, DrawingColor.Blue,
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DrawingColor.Pink, DrawingColor.Purple, DrawingColor.Aqua,
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DrawingColor.Bisque, DrawingColor.Brown, DrawingColor.BurlyWood, DrawingColor.CadetBlue,
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DrawingColor.CornflowerBlue, DrawingColor.DarkBlue, DrawingColor.DarkCyan, DrawingColor.DarkGray,
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DrawingColor.DarkGreen, DrawingColor.DarkKhaki,
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DrawingColor.DarkMagenta, DrawingColor.DarkOliveGreen, DrawingColor.DarkOrange,
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DrawingColor.DarkSeaGreen, DrawingColor.DarkSlateBlue, DrawingColor.DarkSlateGray,
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DrawingColor.DarkViolet, DrawingColor.DeepPink,
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DrawingColor.DeepSkyBlue, DrawingColor.DimGray, DrawingColor.DodgerBlue, DrawingColor.ForestGreen,
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DrawingColor.Gold,
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DrawingColor.Gray, DrawingColor.GreenYellow, DrawingColor.HotPink, DrawingColor.Indigo,
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DrawingColor.Khaki, DrawingColor.LightBlue,
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DrawingColor.LightCoral, DrawingColor.LightGreen, DrawingColor.LightPink, DrawingColor.LightSalmon,
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DrawingColor.LightSkyBlue,
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DrawingColor.LightSlateGray, DrawingColor.LightSteelBlue, DrawingColor.LimeGreen,
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DrawingColor.MediumOrchid, DrawingColor.MediumPurple,
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DrawingColor.MediumSeaGreen, DrawingColor.MediumSlateBlue, DrawingColor.MediumSpringGreen,
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DrawingColor.MediumTurquoise, DrawingColor.Moccasin, DrawingColor.NavajoWhite, DrawingColor.Olive,
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DrawingColor.OliveDrab, DrawingColor.OrangeRed,
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DrawingColor.Orchid, DrawingColor.PaleGoldenrod, DrawingColor.PaleGreen,
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DrawingColor.PeachPuff, DrawingColor.Peru, DrawingColor.Plum, DrawingColor.PowderBlue,
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DrawingColor.RosyBrown, DrawingColor.RoyalBlue,
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DrawingColor.SaddleBrown, DrawingColor.Salmon, DrawingColor.SeaGreen, DrawingColor.Sienna,
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DrawingColor.SkyBlue, DrawingColor.SlateBlue, DrawingColor.SlateGray, DrawingColor.SpringGreen,
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DrawingColor.Teal, DrawingColor.Aquamarine,
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DrawingColor.Tomato, DrawingColor.Turquoise, DrawingColor.Violet, DrawingColor.Wheat,
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DrawingColor.YellowGreen
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});
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return new Queue<Color>(colorList.Select(x => Color.FromRgb(x.R, x.G, x.B)));
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}
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/// <summary>
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/// 复位色板。
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/// </summary>
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/// <param name="isRandomColor"></param>
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private void ResetColorQueue(bool isRandomColor = false)
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{
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if (isRandomColor)
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{
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_colorQueue.Clear();
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for (var i = 0; i < 200; i++)
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{
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_colorQueue.Enqueue(Color.FromRgb(
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(byte)_colorRandom.Next(0, 255),
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(byte)_colorRandom.Next(0, 255),
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(byte)_colorRandom.Next(0, 255)));
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}
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}
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else
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_colorQueue = GetNewColorPatternQueue();
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}
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/// <summary>
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/// 从色板中获取一个颜色。
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/// </summary>
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/// <returns></returns>
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private Color GetColor()
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{
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if (!_colorQueue.Any())
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ResetColorQueue();
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var dc = _colorQueue.Dequeue();
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return Color.FromRgb(dc.R, dc.G, dc.B);
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}
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/// <summary>
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/// 重置图表序列的颜色。
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/// </summary>
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public void ResetColors()
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{
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ResetColorQueue();
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foreach (var series in this)
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{
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series.Stroke = GetColor();
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}
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}
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/// <summary>
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/// 追加新的查询数据到列表。
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/// </summary>
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/// <param name="collection"></param>
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/// <param name="antiAliasing"></param>
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/// <param name="resamplingMode"></param>
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/// <returns>成功追加的项目。</returns>
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public List<IRenderableSeries> Append(List<TreeNode> collection, bool antiAliasing = true,
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ResamplingMode resamplingMode = ResamplingMode.MinMax)
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{
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var existed = this.Select(x => ((SicFastLineSeries)x).BackendParameterNode);
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var toBeAdded = collection.Except(existed).ToList();
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foreach (var node in toBeAdded)
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{
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var line = new SicFastLineSeries(node.FullName)
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{
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AntiAliasing = antiAliasing,
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ResamplingMode = resamplingMode,
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BackendParameterNode = node
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};
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node.ClearStatistic();
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Add(line);
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}
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// 清除本次追加的曲线数据，否则不可添加新数据点。
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var toBeCleaned =
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this.Where(x =>
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collection.Select(t => t.FullName)
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.Contains(x.DataSeries.SeriesName))
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.Cast<SicFastLineSeries>()
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.ToList();
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foreach (var line in toBeCleaned)
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{
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line.DataSeries.Clear();
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line.BackendParameterNode?.ClearStatistic();
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}
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return toBeCleaned.Cast<IRenderableSeries>().ToList();
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}
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/// <summary>
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/// 根据指定的<see cref="TreeNode"/>列表重新整理项目。
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/// <para>该方法提供一种快速更新列表的方法，尽量避免DataGrid刷新造成的UI卡顿问题。</para>
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/// </summary>a
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/// <param name="collection"></param>
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/// <param name="antiAliasing"></param>
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/// <param name="resamplingMode"></param>
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public void ReArrange(List<TreeNode> collection, bool antiAliasing = true,
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ResamplingMode resamplingMode = ResamplingMode.MinMax)
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{
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// 剔除本次没有选择但存在于列表中的项目。
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// 筛选本次选择并已存在于列表中的项目
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var toBeKept = this.Where(x =>
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collection.Select(t => t.FullName).Contains(x.DataSeries.SeriesName));
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// 删除本次没有选择的项目。
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var toBeRemoved = this.Except(toBeKept).ToList();
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foreach (var t in toBeRemoved)
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this.Remove(t);
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// 筛选未存在于列表中的ParameterNode
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var toBeAdded = collection
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.Except(collection.Where(x => this.Select(s => s.DataSeries.SeriesName).Contains(x.FullName))).ToList();
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foreach (var node in toBeAdded)
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{
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var line2D = new SicFastLineSeries(node.FullName)
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{
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AntiAliasing = antiAliasing,
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ResamplingMode = resamplingMode,
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BackendParameterNode = node
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};
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Add(line2D);
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}
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this.ToList().ForEach(x =>
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{
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x.DataSeries.Clear();
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((SicFastLineSeries)x)?.BackendParameterNode?.ClearStatistic();
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});
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}
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public void SetFifoParam()
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{
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var dataSeries = this.Select(x => x.DataSeries).ToList();
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}
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#endregion
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#region Overrided Methods
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protected override void InsertItem(int index, IRenderableSeries item)
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{
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if(item != null)
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item.Stroke = GetColor();
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base.InsertItem(index, item);
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}
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#endregion
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}
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}
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