Implement addon discovering for the plugin refresher module.

modules/plugin_refresher/plugin_refresher.cpp

@@ -1,5 +1,8 @@
 
 #include "plugin_refresher.h"
+#include "core/io/config_file.h"
+#include "core/os/dir_access.h"
+#include "core/os/file_access.h"
 #include "core/os/input_event.h"
 
 #include "editor/project_settings_editor.h"
@@ -32,6 +35,82 @@ void PluginRefresher::_popup() {
 	_selector_dialog->popup_centered();
 }
 void PluginRefresher::_refresh() {
+	String selected_plugin;
+
+	if (_currently_selected_addon != -1) {
+		selected_plugin = _plugins[_currently_selected_addon].folder;
+	} else {
+		selected_plugin = EditorSettings::get_singleton()->get_project_metadata("plugin_refresher", "plugin", "");
+	}
+
+	_currently_selected_addon = -1;
+
+	_option_button->clear();
+	_plugins.clear();
+
+	DirAccess *dir = DirAccess::open("res://addons/");
+
+	if (!dir) {
+		return;
+	}
+
+	Vector<String> addon_dirs;
+
+	dir->list_dir_begin();
+
+	String file = dir->get_next();
+	while (file != "") {
+		if (file == "." || file == "..") {
+			file = dir->get_next();
+			continue;
+		}
+
+		if (dir->current_is_dir()) {
+			addon_dirs.push_back(file);
+		}
+
+		file = dir->get_next();
+	}
+
+	dir->list_dir_end();
+
+	memdelete(dir);
+
+	addon_dirs.sort();
+
+	for (int i = 0; i < addon_dirs.size(); ++i) {
+		String addon_dir = addon_dirs[i];
+
+		String cp = "res://addons/";
+		cp += addon_dir;
+		cp += "/plugin.cfg";
+
+		Ref<ConfigFile> cf;
+		cf.instance();
+		if (cf->load(cp) != OK) {
+			continue;
+		}
+
+		if (!cf->has_section("plugin")) {
+			continue;
+		}
+		String addon_name = cf->get_value("plugin", "name", addon_dir);
+
+		PluginEntry p;
+		p.name = addon_name;
+		p.folder = addon_dir;
+
+		_plugins.push_back(p);
+		_option_button->add_item(addon_name, i);
+
+		if (addon_dir == selected_plugin) {
+			_currently_selected_addon = i;
+		}
+	}
+
+	if (_currently_selected_addon != -1) {
+		_option_button->select(_currently_selected_addon);
+	}
 }
 
 void PluginRefresher::_set_enabled(const bool p_enabled) {
@@ -54,11 +133,21 @@ void PluginRefresher::_on_disable_button_pressed() {
 	set_enabled(false);
 }
 
-void PluginRefresher::_on_popup_confirmed() {
+void PluginRefresher::_on_option_selected(const int id) {
+	_currently_selected_addon = id;
+
+	String selected_plugin = _plugins[_currently_selected_addon].folder;
+
+	EditorSettings::get_singleton()->set_project_metadata("plugin_refresher", "plugin", selected_plugin);
+}
+
+void PluginRefresher::_refresh_selected() {
+	//if addon got deleted do popup
 }
 
 void PluginRefresher::pressed() {
 	if (_button == BUTTON_LEFT) {
+		_refresh_selected();
 	} else if (_button == BUTTON_RIGHT) {
 		_popup();
 	}
@@ -74,6 +163,7 @@ void PluginRefresher::_gui_input(Ref<InputEvent> p_event) {
 }
 
 PluginRefresher::PluginRefresher() {
+	_currently_selected_addon = -1;
 	_button = 0;
 	set_button_mask(BUTTON_MASK_LEFT | BUTTON_MASK_RIGHT);
 	set_enabled_focus_mode(FOCUS_NONE);
@@ -83,7 +173,6 @@ PluginRefresher::PluginRefresher() {
 	add_child(_selector_dialog);
 	_selector_dialog->set_title("Plugin refresher");
 	_selector_dialog->set_custom_minimum_size(Size2(300, 0));
-	_selector_dialog->connect("confirmed", this, "_on_popup_confirmed");
 
 	VBoxContainer *main_container = memnew(VBoxContainer);
 	_selector_dialog->add_child(main_container);
@@ -110,6 +199,7 @@ PluginRefresher::PluginRefresher() {
 
 	_option_button = memnew(OptionButton);
 	main_container->add_child(_option_button);
+	_option_button->connect("item_selected", this, "_on_option_selected");
 }
 
 PluginRefresher::~PluginRefresher() {
@@ -119,5 +209,5 @@ void PluginRefresher::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_set_enabled", "enabled"), &PluginRefresher::_set_enabled);
 	ClassDB::bind_method(D_METHOD("_on_plugins_button_pressed"), &PluginRefresher::_on_plugins_button_pressed);
 	ClassDB::bind_method(D_METHOD("_on_disable_button_pressed"), &PluginRefresher::_on_disable_button_pressed);
-	ClassDB::bind_method(D_METHOD("_on_popup_confirmed"), &PluginRefresher::_on_popup_confirmed);
+	ClassDB::bind_method(D_METHOD("_on_option_selected", "id"), &PluginRefresher::_on_option_selected);
 }

modules/plugin_refresher/plugin_refresher.h

@@ -29,7 +29,8 @@ protected:
 	void _set_enabled(const bool p_enabled);
 	void _on_plugins_button_pressed();
 	void _on_disable_button_pressed();
-	void _on_popup_confirmed();
+	void _on_option_selected(const int id);
+	void _refresh_selected();
 
 	void pressed();
 	void _gui_input(Ref<InputEvent> p_event);
@@ -40,6 +41,14 @@ protected:
 	CheckBox *_enabler_check_box;
 	AcceptDialog *_selector_dialog;
 	OptionButton *_option_button;
+	int _currently_selected_addon;
+
+	struct PluginEntry {
+		String name;
+		String folder;
+	};
+
+	Vector<PluginEntry> _plugins;
 };
 
 #endif