Fix error reporting when a scene is not imported properly, closes #3968

tools/editor/editor_node.cpp

@@ -3540,7 +3540,7 @@ void EditorNode::fix_dependencies(const String& p_for_file) {
 	dependency_fixer->edit(p_for_file);
 }
 
-Error EditorNode::load_scene(const String& p_scene, bool p_ignore_broken_deps,bool p_set_inherited) {
+Error EditorNode::load_scene(const String& p_scene, bool p_ignore_broken_deps,bool p_set_inherited,bool p_clear_errors) {
 
 	if (!is_inside_tree()) {
 		defer_load_scene = p_scene;
@@ -3559,7 +3559,9 @@ Error EditorNode::load_scene(const String& p_scene, bool p_ignore_broken_deps,bo
 	}
 
 
-	load_errors->clear();
+	if (p_clear_errors)
+		load_errors->clear();
+
 	String lpath = Globals::get_singleton()->localize_path(p_scene);
 
 	if (!lpath.begins_with("res://")) {
@@ -3996,15 +3998,17 @@ bool EditorNode::_find_editing_changed_scene(Node *p_from) {
 
 
 void EditorNode::add_io_error(const String& p_error) {
-	CharString err_ut = p_error.utf8();
-	ERR_PRINT(err_ut.get_data());
+	//CharString err_ut = p_error.utf8();
+	//ERR_PRINT(!err_ut.get_data());
 	_load_error_notify(singleton,p_error);
 }
 
 void EditorNode::_load_error_notify(void* p_ud,const String& p_text) {
 
+
 	EditorNode*en=(EditorNode*)p_ud;
-	en->load_errors->set_text(en->load_errors->get_text()+p_text+"\n");
+	en->load_errors->add_image(en->gui_base->get_icon("Error","EditorIcons"));
+	en->load_errors->add_text(p_text+"\n");
 	en->load_error_dialog->popup_centered_ratio(0.5);
 
 }
@@ -6421,8 +6425,9 @@ EditorNode::EditorNode() {
 	set_process_unhandled_input(true);
 	_playing_edited=false;
 
-	load_errors = memnew( TextEdit );
-	load_errors->set_readonly(true);
+	Panel *errors = memnew( Panel );
+	load_errors = memnew( RichTextLabel );
+//	load_errors->set_readonly(true);
 	load_error_dialog = memnew( AcceptDialog );
 	load_error_dialog->add_child(load_errors);
 	load_error_dialog->set_title(TTR("Load Errors"));

tools/editor/editor_node.h

@@ -261,7 +261,7 @@ private:
 	TextureProgress *audio_vu;
 	//MenuButton *fileserver_menu;
 
-	TextEdit *load_errors;
+	RichTextLabel *load_errors;
 	AcceptDialog *load_error_dialog;
 
 	//Control *scene_root_base;
@@ -652,7 +652,7 @@ public:
 
 	void fix_dependencies(const String& p_for_file);
 	void clear_scene() { _cleanup_scene(); }
-	Error load_scene(const String& p_scene, bool p_ignore_broken_deps=false, bool p_set_inherited=false);
+	Error load_scene(const String& p_scene, bool p_ignore_broken_deps=false, bool p_set_inherited=false, bool p_clear_errors=true);
 	Error load_resource(const String& p_scene);
 
 	bool is_scene_open(const String& p_path);

tools/editor/io_plugins/editor_scene_import_plugin.cpp

@@ -822,7 +822,7 @@ void EditorSceneImportDialog::_import(bool p_and_open) {
 			return;
 		}
 		if (wip_open)
-			EditorNode::get_singleton()->load_scene(save_file);
+			EditorNode::get_singleton()->load_scene(save_file,false,false,false);
 
 	}
 
@@ -867,7 +867,7 @@ void EditorSceneImportDialog::_import_confirm() {
 	}
 
 	if (wip_open)
-		EditorNode::get_singleton()->load_scene(wip_save_file);
+		EditorNode::get_singleton()->load_scene(wip_save_file,false,false,false);
 	wip_open=false;
 	wip_save_file="";
 
@@ -2680,8 +2680,9 @@ Error EditorSceneImportPlugin::import2(Node *scene, const String& p_dest_path, c
 			post_import_script = Ref<EditorScenePostImport>( memnew( EditorScenePostImport ) );
 			post_import_script->set_script(scr.get_ref_ptr());
 			if (!post_import_script->get_script_instance()) {
-				EditorNode::add_io_error(TTR("Invalid/broken script for post-import:")+" "+post_import_script_path);
+				EditorNode::add_io_error(TTR("Invalid/broken script for post-import (check console):")+" "+post_import_script_path);
 				post_import_script.unref();
+				return ERR_CANT_CREATE;
 			}
 		}
 	}