From 1c84586dbfa44ec74213860cc24a6f9a680a0917 Mon Sep 17 00:00:00 2001
From: salaros <salaros@yandex.ru>
Date: Fri, 8 Jun 2018 17:40:44 +0300
Subject: [PATCH] implements #7 - Add more constructors to SharedParameterFile
 class enhancement

---
 src/Parameters/Shared/SharedParameterFile.cs | 41 +++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/src/Parameters/Shared/SharedParameterFile.cs b/src/Parameters/Shared/SharedParameterFile.cs
index f3a302e..5554b95 100644
--- a/src/Parameters/Shared/SharedParameterFile.cs
+++ b/src/Parameters/Shared/SharedParameterFile.cs
@@ -22,7 +22,14 @@ public sealed partial class SharedParameterFile : ICloneable, IEquatable<SharedP
     {
         #region Constructors
 
-        private List<Group> _groups;
+        private IReadOnlyList<Group> _groups;
+
+        internal SharedParameterFile()
+        {
+            Metadata = new MetaData(2, 1);
+            Parameters = new ParameterCollection(this, null);
+            _groups =  new List<Group>();
+        }
 
         /// <summary>
         /// Initializes a new instance of the <see cref="SharedParameterFile"/> class.
@@ -37,6 +44,38 @@ public SharedParameterFile(IEnumerable<Group> groups = null, IEnumerable<Paramet
             _groups = groups != null ? new List<Group>(groups) : new List<Group>();
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="T:CodeCave.Revit.Toolkit.Parameters.Shared.SharedParameterFile" /> class.
+        /// </summary>
+        /// <param name="groups">The list of groups.</param>
+        /// <param name="parameters">The list of parameters.</param>
+        /// <param name="metadata">The metadata section.</param>
+        /// <inheritdoc />
+        public SharedParameterFile(IEnumerable<string> groups = null, IEnumerable<Parameter> parameters = null, MetaData metadata = null)
+            : this(
+                groups?.Select((g, i) => new Group(g, i +1)),
+                parameters,
+                metadata
+            )
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SharedParameterFile"/> class.
+        /// </summary>
+        /// <param name="groups">The list of groups.</param>
+        /// <param name="parameters">The list of parameters.</param>
+        /// <param name="metadata">The metadata section.</param>
+        /// <inheritdoc />
+        public SharedParameterFile(IDictionary<string, int> groups = null, IEnumerable<Parameter> parameters = null, MetaData metadata = null)
+            : this(
+                groups?.Select((g, i) => new Group(g.Key, (g.Value > 0) ? g.Value : i)),
+                parameters,
+                metadata
+            )
+        {
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="T:CodeCave.Revit.Toolkit.Parameters.Shared.SharedParameterFile" /> class.
         /// </summary>