Display a root form component above the component list

Celbridge/BaseLibrary/Entities/ComponentEditorBase.cs

@@ -11,6 +11,8 @@ public abstract class ComponentEditorBase : IComponentEditor
 {
     private IComponentEditorHelper? _helper;
 
+    public Guid EditorId { get; } = Guid.NewGuid();
+
     public event Action<string>? FormPropertyChanged;
 
     private IComponentProxy? _component;
@@ -26,11 +28,23 @@ public virtual Result Initialize(IComponentProxy component)
 
     public abstract string GetComponentForm();
 
+    public virtual string GetComponentRootForm()
+    {
+        return string.Empty;
+    }
+
     public abstract ComponentSummary GetComponentSummary();
 
     public virtual void OnFormLoaded()
     {
-        Guard.IsNull(_helper);
+        if (_helper is not null)
+        {
+            // If the _helper is already created then just return.
+            // OnFormLoaded() may be called multiple times. For example a root component
+            // may have botth a root form and a detail form, which will both call
+            // OnFormLoaded(). Both forms use the same component editor and helper instances. 
+            return;
+        }
 
         _helper = ServiceLocator.AcquireService<IComponentEditorHelper>();
         _helper.Initialize(Component);
@@ -41,7 +55,7 @@ public virtual void OnFormUnloaded()
     {
         if (_helper is null)
         {
-            // Unload can be called multiple times, noop if already unloaded
+            // OnFormUnloaded() can be called multiple times. Noop if already unloaded.
             return;
         }
 

Celbridge/BaseLibrary/Entities/IComponentEditor.cs

@@ -8,6 +8,11 @@ namespace Celbridge.Entities;
 /// </summary>
 public interface IComponentEditor : IFormDataProvider
 {
+    /// <summary>
+    /// Unique identifier for a component editor instance.
+    /// </summary>
+    Guid EditorId { get; }
+
     /// <summary>
     /// Returns the component that the editor instance edits.
     /// </summary>
@@ -19,14 +24,19 @@ public interface IComponentEditor : IFormDataProvider
     Result Initialize(IComponentProxy component);
 
     /// <summary>
-    /// Gets the form configuration data for the component.
+    /// Gets the component configuration JSON data.
+    /// </summary>
+    string GetComponentConfig();
+
+    /// <summary>
+    /// Gets the component form configuration JSON data.
     /// </summary>
-    public abstract string GetComponentForm();
+    string GetComponentForm();
 
     /// <summary>
-    /// Gets the configuration data for the component.
+    /// Gets the component root form configuration JSON data.
     /// </summary>
-    string GetComponentConfig();
+    string GetComponentRootForm();
 
     /// <summary>
     /// Gets summary information for the edited component.

Celbridge/BaseLibrary/Entities/IComponentProxy.cs

@@ -12,6 +12,13 @@ public interface IComponentProxy
     /// </summary>
     bool IsValid { get; }
 
+    /// <summary>
+    /// Returns true if the component is a root component.
+    /// A root component is always the first component in an entity and is typically used to 
+    /// configure the entity's general behaviour.
+    /// </summary>
+    bool IsRootComponent { get; }
+
     /// <summary>
     /// Returns the component key used to identify the component.
     /// </summary>
@@ -27,21 +34,6 @@ public interface IComponentProxy
     /// </summary>
     event Action<string>? ComponentPropertyChanged;
 
-    /// <summary>
-    /// The validation status of the component.
-    /// </summary>
-    ComponentStatus Status { get; }
-
-    /// <summary>
-    /// The description of the component displayed in the editor UI.
-    /// </summary>
-    string Description { get; }
-
-    /// <summary>
-    /// The tooltip displayed in the editor UI.
-    /// </summary>
-    string Tooltip { get; }
-
     /// <summary>
     /// Returns the value of a string property as a JSON string.
     /// propertyPath is a JSON Pointer (RFC 6901).

Celbridge/CoreServices/Celbridge.UserInterface/ViewModels/Forms/TextBoxElement.cs

@@ -194,19 +194,18 @@ private Result ApplyCheckSpellingConfig(JsonElement config, TextBox textBox)
         if (config.TryGetProperty("checkSpelling", out var jsonValue))
         {
             // Check the type
-            if (jsonValue.ValueKind != JsonValueKind.String)
+            if (jsonValue.ValueKind == JsonValueKind.True)
             {
-                return Result.Fail("'checkSpelling' property must be a string");
+                textBox.IsSpellCheckEnabled = true;
             }
-
-            // Apply the property
-            var jsonText = jsonValue.GetString();
-            if (!bool.TryParse(jsonText, out var checkSpelling))
+            else if (jsonValue.ValueKind == JsonValueKind.False)
             {
-                return Result.Fail("Failed to parse 'checkSpelling' property as a boolean");
+                textBox.IsSpellCheckEnabled = false;
+            }
+            else
+            {
+                return Result.Fail($"'checkSpelling' config is not valid");
             }
-
-            textBox.IsSpellCheckEnabled = checkSpelling;
 
             return Result.Ok();
         }

Celbridge/Modules/Celbridge.Core/ComponentEditors/EmptyEditor.cs

@@ -5,7 +5,7 @@ namespace Celbridge.Core.Components;
 public class EmptyEditor : ComponentEditorBase
 {
     private const string _configPath = "Celbridge.Core.Assets.Components.EmptyComponent.json";
-    private const string _formPath = "Celbridge.Core.Assets.Forms.EmptyForm.json";
+    private const string _componentFormPath = "Celbridge.Core.Assets.Forms.EmptyForm.json";
 
     public const string Comment = "/comment";
 
@@ -16,7 +16,7 @@ public override string GetComponentConfig()
 
     public override string GetComponentForm()
     {
-        return LoadEmbeddedResource(_formPath);
+        return LoadEmbeddedResource(_componentFormPath);
     }
 
     public override ComponentSummary GetComponentSummary()

Celbridge/Modules/Celbridge.Markdown/Assets/Forms/MarkdownForm.json

@@ -1,49 +1,10 @@
 [
-  {
-    "element": "TextBox",
-    "header": "Editor Mode",
-    "text": "/editorMode"
-  },
   {
     "element": "TextBlock",
-    "text": "/editorMode"
+    "text": "The edit mode is currently:"
   },
   {
     "element": "TextBlock",
-    "text": "Some text"
-  },
-  {
-    "element": "StackPanel",
-    "orientation": "Horizontal",
-    "horizontalAlignment": "Center",
-    "children": [
-      {
-        "element": "Button",
-        "tooltip": "Open document",
-        "icon": "OpenFile",
-        "buttonId": "OpenDocument"
-      },
-      {
-        "element": "Button",
-        "isEnabled": "/editorEnabled",
-        "tooltip": "Editor view",
-        "icon": "DockLeft",
-        "buttonId": "Editor"
-      },
-      {
-        "element": "Button",
-        "isEnabled": "/editorAndPreviewEnabled",
-        "tooltip": "Split view",
-        "icon": "DockBottom",
-        "buttonId": "EditorAndPreview"
-      },
-      {
-        "element": "Button",
-        "isEnabled": "/previewEnabled",
-        "tooltip": "Preview view",
-        "icon": "DockRight",
-        "buttonId": "Preview"
-      }
-    ]
+    "text": "/editorMode"
   }
 ]

Celbridge/Modules/Celbridge.Markdown/Assets/Forms/MarkdownRootForm.json

@@ -0,0 +1,36 @@
+[
+  {
+    "element": "StackPanel",
+    "orientation": "Horizontal",
+    "horizontalAlignment": "Center",
+    "children": [
+      {
+        "element": "Button",
+        "tooltip": "Open document",
+        "icon": "OpenFile",
+        "buttonId": "OpenDocument"
+      },
+      {
+        "element": "Button",
+        "isEnabled": "/editorEnabled",
+        "tooltip": "Editor view",
+        "icon": "DockLeft",
+        "buttonId": "Editor"
+      },
+      {
+        "element": "Button",
+        "isEnabled": "/editorAndPreviewEnabled",
+        "tooltip": "Split view",
+        "icon": "DockBottom",
+        "buttonId": "EditorAndPreview"
+      },
+      {
+        "element": "Button",
+        "isEnabled": "/previewEnabled",
+        "tooltip": "Preview view",
+        "icon": "DockRight",
+        "buttonId": "Preview"
+      }
+    ]
+  }
+]

Celbridge/Modules/Celbridge.Markdown/ComponentEditors/MarkdownEditor.cs

@@ -12,7 +12,8 @@ public class MarkdownEditor : ComponentEditorBase
     private readonly ICommandService _commandService;
 
     private const string _configPath = "Celbridge.Markdown.Assets.Components.MarkdownComponent.json";
-    private const string _formPath = "Celbridge.Markdown.Assets.Forms.MarkdownForm.json";
+    private const string _componentFormPath = "Celbridge.Markdown.Assets.Forms.MarkdownForm.json";
+    private const string _componentRootFormPath = "Celbridge.Markdown.Assets.Forms.MarkdownRootForm.json";
 
     private const string _openDocumentButtonId = "OpenDocument";
     private const string _editorButtonId = "Editor";
@@ -36,7 +37,12 @@ public override string GetComponentConfig()
 
     public override string GetComponentForm()
     {
-        return LoadEmbeddedResource(_formPath);
+        return LoadEmbeddedResource(_componentFormPath);
+    }
+
+    public override string GetComponentRootForm()
+    {
+        return LoadEmbeddedResource(_componentRootFormPath);
     }
 
     public override ComponentSummary GetComponentSummary()

Celbridge/Modules/Celbridge.Screenplay/Assets/Forms/LineForm.json

@@ -13,7 +13,7 @@
     "element": "TextBox",
     "header": "Source Text",
     "text": "/sourceText",
-    "checkSpelling": "true"
+    "checkSpelling": true
   },
   {
     "element": "TextBox",

Celbridge/Workspace/Celbridge.Entities/Models/ComponentProxy.cs

@@ -14,18 +14,21 @@ public class ComponentProxy : IComponentProxy
 
     public bool IsValid { get; private set; } = true;
 
+    public bool IsRootComponent
+    {
+        get
+        {
+            var rootActivity = Schema.GetStringAttribute("rootActivity");
+            return !string.IsNullOrEmpty(rootActivity);
+        }
+    }
+
     public ComponentKey Key { get; }
 
     public ComponentSchema Schema { get; }
 
     public event Action<string>? ComponentPropertyChanged;
 
-    public ComponentStatus Status { get; private set; }
-
-    public string Description { get; private set; } = string.Empty;
-
-    public string Tooltip { get; private set; } = string.Empty;
-
     public ComponentProxy(IServiceProvider serviceProvider, ComponentKey componentKey, ComponentSchema schema)
     {
         _logger = serviceProvider.GetRequiredService<ILogger<ComponentProxy>>();

Celbridge/Workspace/Celbridge.Inspector/ServiceConfiguration.cs

@@ -1,4 +1,3 @@
-using Celbridge.Modules;
 using Celbridge.Inspector.Services;
 using Celbridge.Inspector.ViewModels;
 using Celbridge.Inspector.Views;
@@ -31,7 +30,6 @@ public static void ConfigureServices(IServiceCollection services)
         services.AddTransient<InspectorPanelViewModel>();
         services.AddTransient<ResourceNameInspectorViewModel>();
         services.AddTransient<WebInspectorViewModel>();
-        services.AddTransient<MarkdownInspectorViewModel>();
         services.AddTransient<ComponentListViewModel>();
         services.AddTransient<EntityEditorViewModel>();
         services.AddTransient<ComponentValueEditorViewModel>();

Celbridge/Workspace/Celbridge.Inspector/Services/InspectorFactory.cs

@@ -88,10 +88,6 @@ private Result<IInspector> CreateFileInspector(ResourceKey resource)
         {
             inspector = CreateInspector<WebInspector, WebInspectorViewModel>(resource);
         }
-        else if (extension == ".md")
-        {
-            inspector = CreateInspector<MarkdownInspector, MarkdownInspectorViewModel>(resource);
-        }
 
         if (inspector is not null)
         {