Now text files will show up in the editor if the text editor plugin is enabled. Also clicking them will open them in the text editor.

modules/text_editor/SCsub

@@ -6,6 +6,9 @@ module_env = env.Clone()
 
 module_env.add_source_files(env.modules_sources,"register_types.cpp")
 
+module_env.add_source_files(env.modules_sources,"text_editor_file.cpp")
+module_env.add_source_files(env.modules_sources,"text_editor_format_loader.cpp")
+
 if env["tools"]:
     module_env.add_source_files(env.modules_sources,"text_editor_plugin.cpp")
     module_env.add_source_files(env.modules_sources,"text_editor_settings.cpp")

modules/text_editor/icons/icon_text_editor_file.svg

@@ -0,0 +1 @@
+<svg enable-background="new" height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m13.370548 12.198712 1.078638-.0225c-.004-.738576-.008-1.477152-.01198-2.215728-1.429703.011985-2.859406.02397-4.289109.035955.004.759672.008 1.519344.01198 2.279016.40349-.01135.806981-.02271 1.210471-.03406v3.755044h2m-7.2700003-3.749287c.332722.21587.665444.431741.998166.647611-.3328629.218648-.6657258.437297-.9985887.655945-.0000001.818044-.0000002 1.636088-.0000003 2.454132.5662705-.533749 1.1325409-1.067498 1.6988114-1.601247.6353035.532396 1.2706071 1.064791 1.9059106 1.597187-.00095-.757409-.0019-1.514817-.00285-2.272226-.2987204-.278501-.5974407-.557002-.8961611-.835503.2983766-.205775.5967531-.41155.8951297-.617325.00283-.73844.00565-1.476881.00848-2.215321-.63732.474447-1.27464.948893-1.91196 1.42334-.5656447-.504299-1.1312895-1.008599-1.6969342-1.5128982m-1.4606388 2.2314242c.3595459-.0075.7190917-.015 1.0786376-.0225-.00399-.738576-.00799-1.477152-.011985-2.2157276-1.4297028.011985-2.8594057.02397-4.2891085.035955.00399.7596716.00799 1.5193436.011985 2.2790156.4034903-.01135.8069806-.02271 1.2104709-.03406v3.755044h2m2.3600877-14.999998c-.18815.7526-.3763 1.5052-.56445 2.2578-.3833928.1379205-.7411891.4041566-1.0765556.0469548-.5337315-.3203516-1.0674629-.6407032-1.6011944-.9610548-.4713667.4713667-.9427333.9427333-1.4141 1.4141.3984333.6647.7968667 1.3294 1.1953 1.9941-.1706946.369732-.2331288.8106877-.7232054.7948719-.6052849.1510593-1.2105697.3021187-1.8158546.4531781v2h5.2715c-.6869282-1.0800497-.0133438-2.6625661 1.2286888-2.9370347 1.2082391-.3582 2.5455142.6777799 2.4998312 1.9370347.104409.4657408-.6052318 1.1778026.181951 1h4.818019c0-.6666667 0-1.3333333 0-2-.7526-.18815-1.5052-.3763-2.2578-.56445-.138671-.3826756-.40361-.7396543-.047118-1.0747035.320406-.5343322.640812-1.0686643.961218-1.6029965-.471367-.4713667-.942733-.9427333-1.4141-1.4141-.6647.3984333-1.3294.7968667-1.9941 1.1953-.3697319-.1706947-.8106877-.2331288-.7948719-.7232054-.1510593-.6052849-.3021187-1.2105697-.4531781-1.8158546-.6666322.00004002-1.3334865-.00008002-1.99998.00006z" fill="#e0e0e0"/></svg>

modules/text_editor/register_types.cpp

@@ -22,12 +22,20 @@ SOFTWARE.
 
 #include "register_types.h"
 
+#include "text_editor_file.h"
+#include "text_editor_format_loader.h"
+
 #ifdef TOOLS_ENABLED
 #include "text_editor_plugin.h"
+#include "editor/editor_plugin.h"
 #endif
 
 void register_text_editor_types() {
-	//ClassDB::register_class<PaintWindow>();
+	ClassDB::register_class<TextEditorFile>();
+
+	Ref<TextEditorTextLoader> loader;
+	loader.instance();
+	ResourceLoader::add_resource_format_loader(loader);
 
 #ifdef TOOLS_ENABLED
 	EditorPlugins::add_by_type<TextEditorEditorPlugin>();

modules/text_editor/text_editor_file.cpp

@@ -0,0 +1,15 @@
+#include "text_editor_file.h"
+
+String TextEditorFile::get_file_path() {
+	return _file_path;
+}
+
+void TextEditorFile::set_file_path(const String &file_path) {
+	_file_path = file_path;
+}
+
+void TextEditorFile::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("get_file_path"), &TextEditorFile::get_file_path);
+	ClassDB::bind_method(D_METHOD("set_file_path", "file_path"), &TextEditorFile::set_file_path);
+	//ADD_PROPERTY(PropertyInfo(Variant::STRING, "file_path"), "set_file_path", "get_file_path");
+}

modules/text_editor/text_editor_file.h

@@ -0,0 +1,22 @@
+#ifndef TEXT_EDITOR_FILE_H
+#define TEXT_EDITOR_FILE_H
+
+#include "core/string/ustring.h"
+
+#include "core/object/resource.h"
+
+class TextEditorFile : public Resource {
+	GDCLASS(TextEditorFile, Resource);
+
+public:
+	String get_file_path();
+	void set_file_path(const String &file_path);
+
+protected:
+	static void _bind_methods();
+
+private:
+	String _file_path;
+};
+
+#endif

modules/text_editor/text_editor_format_loader.cpp

@@ -0,0 +1,71 @@
+/*
+Copyright (c) 2019-2022 Péter Magyar
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "text_editor_format_loader.h"
+
+#include "text_editor_file.h"
+
+RES TextEditorTextLoader::load(const String &p_path, const String &p_original_path, Error *r_error) {
+	if (r_error) {
+		*r_error = ERR_FILE_CANT_OPEN;
+	}
+
+	Ref<TextEditorFile> file;
+	file.instance();
+	file->set_file_path(p_original_path);
+
+	if (r_error) {
+		*r_error = OK;
+	}
+
+	return file;
+}
+
+void TextEditorTextLoader::get_recognized_extensions(List<String> *p_extensions) const {
+	p_extensions->push_back("txt");
+	p_extensions->push_back("md");
+	p_extensions->push_back("xml");
+	p_extensions->push_back("sql");
+	p_extensions->push_back("csv");
+	p_extensions->push_back("cfg");
+	p_extensions->push_back("ini");
+	p_extensions->push_back("log");
+	p_extensions->push_back("json");
+	p_extensions->push_back("yml");
+	p_extensions->push_back("yaml");
+	p_extensions->push_back("toml");
+	p_extensions->push_back("html");
+	p_extensions->push_back("js");
+	p_extensions->push_back("css");
+	p_extensions->push_back("htmpl");
+}
+
+bool TextEditorTextLoader::handles_type(const String &p_type) const {
+	return p_type == "TextEditorFile";
+}
+
+String TextEditorTextLoader::get_resource_type(const String &p_path) const {
+	return "TextEditorFile";
+}
+
+void TextEditorTextLoader::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
+}

modules/text_editor/text_editor_format_loader.h

@@ -0,0 +1,42 @@
+#ifndef TEXT_EDITOR_FORMAT_LOADER_H
+#define TEXT_EDITOR_FORMAT_LOADER_H
+
+/*
+Copyright (c) 2019-2022 Péter Magyar
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "core/io/resource_loader.h"
+
+class TextFileEditor;
+class Texture;
+
+class TextEditorTextLoader : public ResourceFormatLoader {
+	GDCLASS(TextEditorTextLoader, ResourceFormatLoader);
+
+public:
+	virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr);
+	virtual void get_recognized_extensions(List<String> *p_extensions) const;
+	virtual bool handles_type(const String &p_type) const;
+	virtual String get_resource_type(const String &p_path) const;
+	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
+};
+
+#endif

modules/text_editor/text_editor_plugin.cpp

@@ -22,6 +22,7 @@ SOFTWARE.
 
 #include "text_editor_plugin.h"
 
+#include "text_editor_file.h"
 #include "text_file_editor.h"
 
 void TextEditorEditorPlugin::make_visible(const bool visible) {
@@ -35,10 +36,23 @@ String TextEditorEditorPlugin::get_name() const {
 const Ref<Texture> TextEditorEditorPlugin::get_icon() const {
 	return _icon;
 }
+
 bool TextEditorEditorPlugin::has_main_screen() const {
 	return true;
 }
 
+void TextEditorEditorPlugin::edit(Object *p_object) {
+	Ref<TextEditorFile> f = Object::cast_to<TextEditorFile>(p_object);
+
+	if (f.is_valid()) {
+		window->open_file(f->get_path());
+	}
+}
+
+bool TextEditorEditorPlugin::handles(Object *p_object) const {
+	return p_object->is_class("TextEditorFile");
+}
+
 TextEditorEditorPlugin::TextEditorEditorPlugin(EditorNode *p_node) {
 	editor = p_node;
 

modules/text_editor/text_editor_plugin.h

@@ -23,6 +23,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
+#include "core/io/resource_importer.h"
 #include "core/object/reference.h"
 #include "editor/editor_plugin.h"
 
@@ -37,6 +38,8 @@ public:
 	const Ref<Texture> get_icon() const;
 	bool has_main_screen() const;
 	String get_name() const;
+	void edit(Object *p_object);
+	bool handles(Object *p_object) const;
 
 	TextEditorEditorPlugin(EditorNode *p_node);
 	~TextEditorEditorPlugin();