Show Block Code editor when BlockCode node is selected

By default, when a node is selected, Godot shows the 2D or 3D editor
corresponding to the selected node type. Showing the Block Code editor
when a BlockCode node is selected will make the flow of the editor
easier to understand.

Author: dylanmccall

addons/block_code/block_code_plugin.gd

@@ -5,6 +5,8 @@ extends EditorPlugin
 const MainPanel := preload("res://addons/block_code/ui/main_panel.tscn")
 static var main_panel
 
+var editor_inspector: EditorInspector
+
 var old_feature_profile: String = ""
 
 const DISABLED_CLASSES := [
@@ -47,6 +49,8 @@ const DISABLED_CLASSES := [
 func _enter_tree():
 	Types.init_cast_graph()
 
+	editor_inspector = EditorInterface.get_inspector()
+
 	main_panel = MainPanel.instantiate()
 	main_panel.undo_redo = get_undo_redo()
 
@@ -91,6 +95,16 @@ func _exit_tree():
 			EditorInterface.set_current_feature_profile("")
 
 
+func _ready():
+	editor_inspector.connect("edited_object_changed", _on_editor_inspector_edited_object_changed)
+
+
+func _on_editor_inspector_edited_object_changed():
+	var block_code: BlockCode = editor_inspector.get_edited_object() as BlockCode
+	if block_code:
+		BlockCodePlugin.main_panel.switch_script(block_code)
+
+
 func _has_main_screen():
 	return true