using UIKit;
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using Foundation;
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using Shared.IO;
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using CoreFoundation;
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using System.Collections.Generic;
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using System;
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using System.Runtime;
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using WebKit;
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namespace Shared
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{
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/// <summary>
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/// MyEchartsView
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/// 2020-06-19 UIWebView替换为WKWebView
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/// UIWebView已经弃用，后面再使用的APP将不能发布上架
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/// </summary>
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public class MyEchartsView : View
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{
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JsonData jsonData = new JsonData { };
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WKWebView uIWebView;
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public MyEchartsView()
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{
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//默认布局，宽高为0的话会异常
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var mFrame = new CoreGraphics.CGRect(base.X, base.Y, 10, 10);
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uIWebView = new WKWebView(mFrame, new WKWebViewConfiguration()) { };
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uiView = uIWebView;
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uIWebView.ScrollView.Bounces = false;
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uIWebView.ScrollView.ScrollEnabled = false;
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uIWebView.NavigationDelegate = new OnWKNavigationDelegate(this);
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var filePath = NSBundle.MainBundle.PathForResource("echarts", "html");
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var url = new NSUrl(filePath, false);
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uIWebView.LoadFileUrl(url, url);
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}
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public void Show(string title, string[] xArray, object[] yArray)
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{
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jsonData.Title = title;
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jsonData.XArray = xArray;
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jsonData.YArray = yArray;
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EvaluateJavascript();
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}
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public string Unit
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{
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get
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{
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return jsonData.Unit;
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}
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set
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{
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jsonData.Unit = value;
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}
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}
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public void EvaluateJavascript()
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{
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WKJavascriptEvaluationResult handler = (NSObject result, NSError err) => {
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if (err != null)
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{
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HDLUtils.WriteLine("EvaluateJavascript:" + err);
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}
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if (result != null)
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{
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HDLUtils.WriteLine("EvaluateJavascript:" + result);
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}
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};
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uIWebView.EvaluateJavaScript($"loadEcharts({Newtonsoft.Json.JsonConvert.SerializeObject(jsonData)},'undefined')", handler);
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}
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public class OnWKNavigationDelegate : WKNavigationDelegate
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{
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[Weak] MyEchartsView _MyEchartsView;
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public OnWKNavigationDelegate(MyEchartsView view)
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{
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_MyEchartsView = view;
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}
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public override void DidFinishNavigation(WKWebView webView, WKNavigation navigation)
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{
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Console.WriteLine("WKWebView DidFinishNavigation");
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_MyEchartsView.EvaluateJavascript();
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}
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}
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[Serializable]
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class JsonData
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{
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/// <summary>
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/// 标题内容
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/// </summary>
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/// <value>The title.</value>
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[Newtonsoft.Json.JsonIgnore]
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public string Title
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{
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get
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{
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return title["text"].ToString();
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}
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set
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{
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title["text"] = value;
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}
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}
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[Newtonsoft.Json.JsonProperty]
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readonly Dictionary<string, object> title = new Dictionary<string, object> { ["text"] = "" };
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[Newtonsoft.Json.JsonProperty]
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readonly Dictionary<string, object> tooltip = new Dictionary<string, object> { ["trigger"] = "axis" };
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/// <summary>
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/// X轴坐标点
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/// </summary>
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/// <value>The XA rray.</value>
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[Newtonsoft.Json.JsonIgnore]
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public string[] XArray
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{
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get
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{
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return (xAxis[0] as Dictionary<string, object>)["data"] as string[];
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}
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set
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{
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(xAxis[0] as Dictionary<string, object>)["data"] = value;
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}
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}
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[Newtonsoft.Json.JsonProperty]
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readonly List<object> xAxis = new List<object> { new Dictionary<string, object> { ["type"] = "category", ["boundaryGap"] = false, ["data"] = new object[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } } };
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[Newtonsoft.Json.JsonIgnore]
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public string Unit
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{
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get
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{
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return ((yAxis[0] as Dictionary<string, object>)["axisLabel"] as Dictionary<string, object>)["formatter"].ToString().Substring("{value}".Length);
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}
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set
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{
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((yAxis[0] as Dictionary<string, object>)["axisLabel"] as Dictionary<string, object>)["formatter"] = "{value}" + value;
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}
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}
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[Newtonsoft.Json.JsonProperty]
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readonly List<object> yAxis = new List<object> { new Dictionary<string, object> { ["type"] = "value", ["axisLabel"] = new Dictionary<string, object> { ["formatter"] = "{value}" } } };
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/// <summary>
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/// Y轴坐标点
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/// </summary>
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/// <value>The YA rray.</value>
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[Newtonsoft.Json.JsonIgnore]
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public object[] YArray
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{
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get
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{
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return (series[0] as Dictionary<string, object>)["data"] as object[];
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}
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set
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{
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(series[0] as Dictionary<string, object>)["data"] = value;
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}
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}
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[Newtonsoft.Json.JsonProperty]
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readonly List<object> series = new List<object> { new Dictionary<string, object> { ["name"] = "Value", ["type"] = "line", ["data"] = new object[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, ["markPoint"] = new Dictionary<string, object> { ["data"] = new List<object> { new Dictionary<string, object> { ["type"] = "max", ["name"] = "Max" }, new Dictionary<string, object> { ["type"] = "min", ["name"] = "Min" } } }, ["markLine"] = new Dictionary<string, object> { ["data"] = new List<object> { new Dictionary<string, object> { ["type"] = "average", ["name"] = "Average" } } } } };
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}
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}
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}
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