chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
@@ -0,0 +1,115 @@
+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+
+namespace QuantConnect.Report.ReportElements
+{
+    /// <summary>
+    /// Class for creating a two column table for the Algorithm's Parameters in a report
+    /// </summary>
+    public class ParametersReportElement : ReportElement
+    {
+        private IReadOnlyDictionary<string, string> _parameters;
+        private readonly string _template;
+
+        /// <summary>
+        /// Creates a two column table for the Algorithm's Parameters
+        /// </summary>
+        /// <param name="name">Name of the widget</param>
+        /// <param name="key">Location of injection</param>
+        /// <param name="backtestConfiguration">The configuration of the backtest algorithm</param>
+        /// <param name="liveConfiguration">The configuration of the live algorithm</param>
+        /// <param name="template">HTML template to use</param>
+        public ParametersReportElement(string name, string key, AlgorithmConfiguration backtestConfiguration, AlgorithmConfiguration liveConfiguration, string template)
+        {
+            Name = name;
+            Key = key;
+            _template = template;
+
+            if (liveConfiguration != null)
+            {
+                _parameters = liveConfiguration.Parameters;
+            }
+            else if (backtestConfiguration != null)
+            {
+                _parameters = backtestConfiguration.Parameters;
+            }
+            else
+            {
+                // This case only happens for the unit tests, then we just create an empty dictionary
+                _parameters = new Dictionary<string, string>();
+            }
+        }
+
+        /// <summary>
+        /// Generates a HTML two column table for the Algorithm's Parameters
+        /// </summary>
+        /// <returns>Returns a string representing a HTML two column table</returns>
+        public override string Render()
+        {
+            var items = new List<string>();
+            int parameterIndex;
+            var columns = (new Regex(@"{{\$KEY(\d+?)}}")).Matches(_template).Count;
+
+            for (parameterIndex = 0; parameterIndex < _parameters.Count;)
+            {
+                var template = _template;
+                int column;
+                for (column = 0; column < columns; column++)
+                {
+                    var currTemplateKey = "{{$KEY" + column.ToString() + "}}";
+                    var currTemplateValue = "{{$VALUE" + column.ToString() + "}}";
+
+                    if (parameterIndex < _parameters.Count)
+                    {
+                        var parameter = _parameters.ElementAt(parameterIndex);
+                        template = template.Replace(currTemplateKey, parameter.Key);
+                        template = template.Replace(currTemplateValue, parameter.Value);
+                    }
+                    else
+                    {
+                        template = template.Replace(currTemplateKey, string.Empty);
+                        template = template.Replace(currTemplateValue, string.Empty);
+                    }
+
+                    parameterIndex++;
+                }
+
+                if (column == 0)
+                {
+                    parameterIndex++;
+                }
+
+                items.Add(template);
+            }
+
+            if (Key == ReportKey.ParametersPageStyle)
+            {
+                if (items.Count == 0)
+                {
+                    return "display: none;";
+                }
+
+                return string.Empty;
+            }
+
+            var parameters= string.Join("\n", items);
+            return parameters;
+        }
+    }
+}