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Source/Editor/Content/Items/ScriptItem.cs

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using System.Text;
+
+namespace FlaxEditor.Content
+{
+    /// <summary>
+    /// Content item that contains script file with source code.
+    /// </summary>
+    /// <seealso cref="FlaxEditor.Content.ContentItem" />
+    public abstract class ScriptItem : ContentItem
+    {
+        /// <summary>
+        /// Gets the name of the script (deducted from the asset name).
+        /// </summary>
+        public string ScriptName => FilterScriptName(ShortName);
+
+        /// <summary>
+        /// Checks if the script item references the valid use script type that can be used in a gameplay.
+        /// </summary>
+        public bool IsValid => ScriptsBuilder.FindScript(ScriptName) != null;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ScriptItem"/> class.
+        /// </summary>
+        /// <param name="path">The path to the item.</param>
+        protected ScriptItem(string path)
+        : base(path)
+        {
+            ShowFileExtension = true;
+        }
+
+        private static string FilterScriptName(string input)
+        {
+            var length = input.Length;
+            var sb = new StringBuilder(length);
+
+            // Skip leading '0-9' characters
+            for (int i = 0; i < length; i++)
+            {
+                var c = input[i];
+
+                if (char.IsLetterOrDigit(c) && !char.IsDigit(c))
+                    break;
+            }
+
+            // Remove all characters that are not '_' or 'a-z' or 'A-Z' or '0-9'
+            for (int i = 0; i < length; i++)
+            {
+                var c = input[i];
+
+                if (c == '_' || char.IsLetterOrDigit(c))
+                    sb.Append(c);
+            }
+
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Creates the name of the script for the given file.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>Script name</returns>
+        public static string CreateScriptName(string path)
+        {
+            return FilterScriptName(System.IO.Path.GetFileNameWithoutExtension(path));
+        }
+
+        /// <inheritdoc />
+        public override ContentItemType ItemType => ContentItemType.Script;
+
+        /// <inheritdoc />
+        public override ContentItemSearchFilter SearchFilter => ContentItemSearchFilter.Script;
+
+        /// <inheritdoc />
+        public override ScriptItem FindScriptWitScriptName(string scriptName)
+        {
+            return scriptName == ScriptName ? this : null;
+        }
+
+        /// <inheritdoc />
+        public override void OnPathChanged()
+        {
+            ScriptsBuilder.MarkWorkspaceDirty();
+
+            base.OnPathChanged();
+        }
+
+        /// <inheritdoc />
+        public override void OnDelete()
+        {
+            ScriptsBuilder.MarkWorkspaceDirty();
+
+            base.OnDelete();
+        }
+    }
+}