1 /*************************************************************************/
2 /*  version_control_editor_plugin.cpp                                    */
3 /*************************************************************************/
4 /*                       This file is part of:                           */
5 /*                           GODOT ENGINE                                */
6 /*                      https://godotengine.org                          */
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8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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30 
31 #include "version_control_editor_plugin.h"
32 
33 #include "core/script_language.h"
34 #include "editor/editor_file_system.h"
35 #include "editor/editor_node.h"
36 #include "editor/editor_scale.h"
37 
38 VersionControlEditorPlugin *VersionControlEditorPlugin::singleton = NULL;
39 
_bind_methods()40 void VersionControlEditorPlugin::_bind_methods() {
41 
42 	ClassDB::bind_method(D_METHOD("_selected_a_vcs"), &VersionControlEditorPlugin::_selected_a_vcs);
43 	ClassDB::bind_method(D_METHOD("_initialize_vcs"), &VersionControlEditorPlugin::_initialize_vcs);
44 	ClassDB::bind_method(D_METHOD("_send_commit_msg"), &VersionControlEditorPlugin::_send_commit_msg);
45 	ClassDB::bind_method(D_METHOD("_refresh_stage_area"), &VersionControlEditorPlugin::_refresh_stage_area);
46 	ClassDB::bind_method(D_METHOD("_stage_all"), &VersionControlEditorPlugin::_stage_all);
47 	ClassDB::bind_method(D_METHOD("_stage_selected"), &VersionControlEditorPlugin::_stage_selected);
48 	ClassDB::bind_method(D_METHOD("_view_file_diff"), &VersionControlEditorPlugin::_view_file_diff);
49 	ClassDB::bind_method(D_METHOD("_refresh_file_diff"), &VersionControlEditorPlugin::_refresh_file_diff);
50 	ClassDB::bind_method(D_METHOD("popup_vcs_set_up_dialog"), &VersionControlEditorPlugin::popup_vcs_set_up_dialog);
51 
52 	// Used to track the status of files in the staging area
53 	BIND_ENUM_CONSTANT(CHANGE_TYPE_NEW);
54 	BIND_ENUM_CONSTANT(CHANGE_TYPE_MODIFIED);
55 	BIND_ENUM_CONSTANT(CHANGE_TYPE_RENAMED);
56 	BIND_ENUM_CONSTANT(CHANGE_TYPE_DELETED);
57 	BIND_ENUM_CONSTANT(CHANGE_TYPE_TYPECHANGE);
58 }
59 
_selected_a_vcs(int p_id)60 void VersionControlEditorPlugin::_selected_a_vcs(int p_id) {
61 
62 	List<StringName> available_addons = get_available_vcs_names();
63 	const StringName selected_vcs = set_up_choice->get_item_text(p_id);
64 }
65 
_populate_available_vcs_names()66 void VersionControlEditorPlugin::_populate_available_vcs_names() {
67 
68 	static bool called = false;
69 
70 	if (!called) {
71 
72 		List<StringName> available_addons = get_available_vcs_names();
73 		for (int i = 0; i < available_addons.size(); i++) {
74 
75 			set_up_choice->add_item(available_addons[i]);
76 		}
77 
78 		called = true;
79 	}
80 }
81 
get_singleton()82 VersionControlEditorPlugin *VersionControlEditorPlugin::get_singleton() {
83 
84 	return singleton ? singleton : memnew(VersionControlEditorPlugin);
85 }
86 
popup_vcs_set_up_dialog(const Control * p_gui_base)87 void VersionControlEditorPlugin::popup_vcs_set_up_dialog(const Control *p_gui_base) {
88 
89 	fetch_available_vcs_addon_names();
90 	List<StringName> available_addons = get_available_vcs_names();
91 	if (available_addons.size() >= 1) {
92 
93 		Size2 popup_size = Size2(400, 100);
94 		Size2 window_size = p_gui_base->get_viewport_rect().size;
95 		popup_size.x = MIN(window_size.x * 0.5, popup_size.x);
96 		popup_size.y = MIN(window_size.y * 0.5, popup_size.y);
97 
98 		_populate_available_vcs_names();
99 
100 		set_up_dialog->popup_centered_clamped(popup_size * EDSCALE);
101 	} else {
102 
103 		EditorNode::get_singleton()->show_warning(TTR("No VCS addons are available."), TTR("Error"));
104 	}
105 }
106 
_initialize_vcs()107 void VersionControlEditorPlugin::_initialize_vcs() {
108 
109 	register_editor();
110 
111 	ERR_FAIL_COND_MSG(EditorVCSInterface::get_singleton(), EditorVCSInterface::get_singleton()->get_vcs_name() + " is already active");
112 
113 	const int id = set_up_choice->get_selected_id();
114 	String selected_addon = set_up_choice->get_item_text(id);
115 
116 	String path = ScriptServer::get_global_class_path(selected_addon);
117 	Ref<Script> script = ResourceLoader::load(path);
118 
119 	ERR_FAIL_COND_MSG(!script.is_valid(), "VCS Addon path is invalid");
120 
121 	EditorVCSInterface *vcs_interface = memnew(EditorVCSInterface);
122 	ScriptInstance *addon_script_instance = script->instance_create(vcs_interface);
123 
124 	ERR_FAIL_COND_MSG(!addon_script_instance, "Failed to create addon script instance.");
125 
126 	// The addon is attached as a script to the VCS interface as a proxy end-point
127 	vcs_interface->set_script_and_instance(script.get_ref_ptr(), addon_script_instance);
128 
129 	EditorVCSInterface::set_singleton(vcs_interface);
130 	EditorFileSystem::get_singleton()->connect("filesystem_changed", this, "_refresh_stage_area");
131 
132 	String res_dir = OS::get_singleton()->get_resource_dir();
133 
134 	ERR_FAIL_COND_MSG(!EditorVCSInterface::get_singleton()->initialize(res_dir), "VCS was not initialized");
135 
136 	_refresh_stage_area();
137 }
138 
_send_commit_msg()139 void VersionControlEditorPlugin::_send_commit_msg() {
140 
141 	String msg = commit_message->get_text();
142 	if (msg == "") {
143 
144 		commit_status->set_text(TTR("No commit message was provided"));
145 		return;
146 	}
147 
148 	if (EditorVCSInterface::get_singleton()) {
149 
150 		if (staged_files_count == 0) {
151 
152 			commit_status->set_text(TTR("No files added to stage"));
153 			return;
154 		}
155 
156 		EditorVCSInterface::get_singleton()->commit(msg);
157 
158 		commit_message->set_text("");
159 		version_control_dock_button->set_pressed(false);
160 	} else {
161 
162 		WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu");
163 	}
164 
165 	_update_commit_status();
166 	_refresh_stage_area();
167 	_clear_file_diff();
168 }
169 
_refresh_stage_area()170 void VersionControlEditorPlugin::_refresh_stage_area() {
171 
172 	if (EditorVCSInterface::get_singleton()) {
173 
174 		staged_files_count = 0;
175 		clear_stage_area();
176 
177 		Dictionary modified_file_paths = EditorVCSInterface::get_singleton()->get_modified_files_data();
178 		String file_path;
179 		for (int i = 0; i < modified_file_paths.size(); i++) {
180 
181 			file_path = modified_file_paths.get_key_at_index(i);
182 			TreeItem *found = stage_files->search_item_text(file_path, 0, true);
183 			if (!found) {
184 
185 				ChangeType change_index = (ChangeType)(int)modified_file_paths.get_value_at_index(i);
186 				String change_text = file_path + " (" + change_type_to_strings[change_index] + ")";
187 				Color &change_color = change_type_to_color[change_index];
188 				TreeItem *new_item = stage_files->create_item(stage_files->get_root());
189 				new_item->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
190 				new_item->set_text(0, change_text);
191 				new_item->set_metadata(0, file_path);
192 				new_item->set_custom_color(0, change_color);
193 				new_item->set_checked(0, true);
194 				new_item->set_editable(0, true);
195 			} else {
196 
197 				if (found->get_metadata(0) == diff_file_name->get_text()) {
198 
199 					_refresh_file_diff();
200 				}
201 			}
202 			commit_status->set_text("New changes detected");
203 		}
204 	} else {
205 
206 		WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu.")
207 	}
208 }
209 
_stage_selected()210 void VersionControlEditorPlugin::_stage_selected() {
211 
212 	if (!EditorVCSInterface::get_singleton()) {
213 
214 		WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu");
215 		return;
216 	}
217 
218 	staged_files_count = 0;
219 	TreeItem *root = stage_files->get_root();
220 	if (root) {
221 
222 		TreeItem *file_entry = root->get_children();
223 		while (file_entry) {
224 
225 			if (file_entry->is_checked(0)) {
226 
227 				EditorVCSInterface::get_singleton()->stage_file(file_entry->get_metadata(0));
228 				file_entry->set_icon_modulate(0, EditorNode::get_singleton()->get_gui_base()->get_color("success_color", "Editor"));
229 				staged_files_count++;
230 			} else {
231 
232 				EditorVCSInterface::get_singleton()->unstage_file(file_entry->get_metadata(0));
233 				file_entry->set_icon_modulate(0, EditorNode::get_singleton()->get_gui_base()->get_color("error_color", "Editor"));
234 			}
235 
236 			file_entry = file_entry->get_next();
237 		}
238 	}
239 
240 	_update_stage_status();
241 }
242 
_stage_all()243 void VersionControlEditorPlugin::_stage_all() {
244 
245 	if (!EditorVCSInterface::get_singleton()) {
246 
247 		WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu");
248 		return;
249 	}
250 
251 	staged_files_count = 0;
252 	TreeItem *root = stage_files->get_root();
253 	if (root) {
254 
255 		TreeItem *file_entry = root->get_children();
256 		while (file_entry) {
257 
258 			EditorVCSInterface::get_singleton()->stage_file(file_entry->get_metadata(0));
259 			file_entry->set_icon_modulate(0, EditorNode::get_singleton()->get_gui_base()->get_color("success_color", "Editor"));
260 			file_entry->set_checked(0, true);
261 			staged_files_count++;
262 
263 			file_entry = file_entry->get_next();
264 		}
265 	}
266 
267 	_update_stage_status();
268 }
269 
_view_file_diff()270 void VersionControlEditorPlugin::_view_file_diff() {
271 
272 	version_control_dock_button->set_pressed(true);
273 
274 	String file_path = stage_files->get_selected()->get_metadata(0);
275 
276 	_display_file_diff(file_path);
277 }
278 
_display_file_diff(String p_file_path)279 void VersionControlEditorPlugin::_display_file_diff(String p_file_path) {
280 
281 	Array diff_content = EditorVCSInterface::get_singleton()->get_file_diff(p_file_path);
282 
283 	diff_file_name->set_text(p_file_path);
284 
285 	diff->clear();
286 	diff->push_font(EditorNode::get_singleton()->get_gui_base()->get_font("source", "EditorFonts"));
287 	for (int i = 0; i < diff_content.size(); i++) {
288 
289 		Dictionary line_result = diff_content[i];
290 
291 		if (line_result["status"] == "+") {
292 
293 			diff->push_color(EditorNode::get_singleton()->get_gui_base()->get_color("success_color", "Editor"));
294 		} else if (line_result["status"] == "-") {
295 
296 			diff->push_color(EditorNode::get_singleton()->get_gui_base()->get_color("error_color", "Editor"));
297 		} else {
298 
299 			diff->push_color(EditorNode::get_singleton()->get_gui_base()->get_color("font_color", "Label"));
300 		}
301 
302 		diff->add_text((String)line_result["content"]);
303 
304 		diff->pop();
305 	}
306 	diff->pop();
307 }
308 
_refresh_file_diff()309 void VersionControlEditorPlugin::_refresh_file_diff() {
310 
311 	String open_file = diff_file_name->get_text();
312 	if (open_file != "") {
313 
314 		_display_file_diff(diff_file_name->get_text());
315 	}
316 }
317 
_clear_file_diff()318 void VersionControlEditorPlugin::_clear_file_diff() {
319 
320 	diff->clear();
321 	diff_file_name->set_text("");
322 	version_control_dock_button->set_pressed(false);
323 }
324 
_update_stage_status()325 void VersionControlEditorPlugin::_update_stage_status() {
326 
327 	String status;
328 	if (staged_files_count == 1) {
329 
330 		status = "Stage contains 1 file";
331 	} else {
332 
333 		status = "Stage contains " + String::num_int64(staged_files_count) + " files";
334 	}
335 	commit_status->set_text(status);
336 }
337 
_update_commit_status()338 void VersionControlEditorPlugin::_update_commit_status() {
339 
340 	String status;
341 	if (staged_files_count == 1) {
342 
343 		status = "Committed 1 file";
344 	} else {
345 
346 		status = "Committed " + String::num_int64(staged_files_count) + " files ";
347 	}
348 	commit_status->set_text(status);
349 	staged_files_count = 0;
350 }
351 
register_editor()352 void VersionControlEditorPlugin::register_editor() {
353 
354 	if (!EditorVCSInterface::get_singleton()) {
355 
356 		EditorNode::get_singleton()->add_control_to_dock(EditorNode::DOCK_SLOT_RIGHT_UL, version_commit_dock);
357 		TabContainer *dock_vbc = (TabContainer *)version_commit_dock->get_parent_control();
358 		dock_vbc->set_tab_title(version_commit_dock->get_index(), TTR("Commit"));
359 
360 		ToolButton *vc = EditorNode::get_singleton()->add_bottom_panel_item(TTR("Version Control"), version_control_dock);
361 		set_version_control_tool_button(vc);
362 	}
363 }
364 
fetch_available_vcs_addon_names()365 void VersionControlEditorPlugin::fetch_available_vcs_addon_names() {
366 
367 	List<StringName> global_classes;
368 	ScriptServer::get_global_class_list(&global_classes);
369 
370 	for (int i = 0; i != global_classes.size(); i++) {
371 
372 		String path = ScriptServer::get_global_class_path(global_classes[i]);
373 		Ref<Script> script = ResourceLoader::load(path);
374 		ERR_FAIL_COND(script.is_null());
375 
376 		if (script->get_instance_base_type() == "EditorVCSInterface") {
377 
378 			available_addons.push_back(global_classes[i]);
379 		}
380 	}
381 }
382 
clear_stage_area()383 void VersionControlEditorPlugin::clear_stage_area() {
384 
385 	stage_files->get_root()->clear_children();
386 }
387 
shut_down()388 void VersionControlEditorPlugin::shut_down() {
389 
390 	if (EditorVCSInterface::get_singleton()) {
391 		if (EditorFileSystem::get_singleton()->is_connected("filesystem_changed", this, "_refresh_stage_area")) {
392 			EditorFileSystem::get_singleton()->disconnect("filesystem_changed", this, "_refresh_stage_area");
393 		}
394 		EditorVCSInterface::get_singleton()->shut_down();
395 		memdelete(EditorVCSInterface::get_singleton());
396 		EditorVCSInterface::set_singleton(NULL);
397 
398 		EditorNode::get_singleton()->remove_control_from_dock(version_commit_dock);
399 		EditorNode::get_singleton()->remove_bottom_panel_item(version_control_dock);
400 	}
401 }
402 
is_vcs_initialized() const403 bool VersionControlEditorPlugin::is_vcs_initialized() const {
404 
405 	return EditorVCSInterface::get_singleton() ? EditorVCSInterface::get_singleton()->is_vcs_initialized() : false;
406 }
407 
get_vcs_name() const408 const String VersionControlEditorPlugin::get_vcs_name() const {
409 
410 	return EditorVCSInterface::get_singleton() ? EditorVCSInterface::get_singleton()->get_vcs_name() : "";
411 }
412 
VersionControlEditorPlugin()413 VersionControlEditorPlugin::VersionControlEditorPlugin() {
414 
415 	singleton = this;
416 	staged_files_count = 0;
417 
418 	version_control_actions = memnew(PopupMenu);
419 	version_control_actions->set_v_size_flags(BoxContainer::SIZE_SHRINK_CENTER);
420 
421 	set_up_dialog = memnew(AcceptDialog);
422 	set_up_dialog->set_title(TTR("Set Up Version Control"));
423 	set_up_dialog->set_custom_minimum_size(Size2(400, 100));
424 	version_control_actions->add_child(set_up_dialog);
425 
426 	set_up_ok_button = set_up_dialog->get_ok();
427 	set_up_ok_button->set_text(TTR("Close"));
428 
429 	set_up_vbc = memnew(VBoxContainer);
430 	set_up_vbc->set_alignment(VBoxContainer::ALIGN_CENTER);
431 	set_up_dialog->add_child(set_up_vbc);
432 
433 	set_up_hbc = memnew(HBoxContainer);
434 	set_up_hbc->set_h_size_flags(HBoxContainer::SIZE_EXPAND_FILL);
435 	set_up_vbc->add_child(set_up_hbc);
436 
437 	set_up_vcs_status = memnew(RichTextLabel);
438 	set_up_vcs_status->set_text(TTR("VCS Addon is not initialized"));
439 	set_up_vbc->add_child(set_up_vcs_status);
440 
441 	set_up_vcs_label = memnew(Label);
442 	set_up_vcs_label->set_text(TTR("Version Control System"));
443 	set_up_hbc->add_child(set_up_vcs_label);
444 
445 	set_up_choice = memnew(OptionButton);
446 	set_up_choice->set_h_size_flags(HBoxContainer::SIZE_EXPAND_FILL);
447 	set_up_choice->connect("item_selected", this, "_selected_a_vcs");
448 	set_up_hbc->add_child(set_up_choice);
449 
450 	set_up_init_settings = NULL;
451 
452 	set_up_init_button = memnew(Button);
453 	set_up_init_button->set_text(TTR("Initialize"));
454 	set_up_init_button->connect("pressed", this, "_initialize_vcs");
455 	set_up_vbc->add_child(set_up_init_button);
456 
457 	version_control_actions->set_v_size_flags(PopupMenu::SIZE_EXPAND_FILL);
458 	version_control_actions->set_h_size_flags(PopupMenu::SIZE_EXPAND_FILL);
459 
460 	version_commit_dock = memnew(VBoxContainer);
461 	version_commit_dock->set_visible(false);
462 
463 	commit_box_vbc = memnew(VBoxContainer);
464 	commit_box_vbc->set_alignment(VBoxContainer::ALIGN_BEGIN);
465 	commit_box_vbc->set_h_size_flags(VBoxContainer::SIZE_EXPAND_FILL);
466 	commit_box_vbc->set_v_size_flags(VBoxContainer::SIZE_EXPAND_FILL);
467 	version_commit_dock->add_child(commit_box_vbc);
468 
469 	stage_tools = memnew(HSplitContainer);
470 	stage_tools->set_dragger_visibility(SplitContainer::DRAGGER_HIDDEN_COLLAPSED);
471 	commit_box_vbc->add_child(stage_tools);
472 
473 	staging_area_label = memnew(Label);
474 	staging_area_label->set_h_size_flags(Label::SIZE_EXPAND_FILL);
475 	staging_area_label->set_text(TTR("Staging area"));
476 	stage_tools->add_child(staging_area_label);
477 
478 	refresh_button = memnew(Button);
479 	refresh_button->set_tooltip(TTR("Detect new changes"));
480 	refresh_button->set_text(TTR("Refresh"));
481 	refresh_button->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("Reload", "EditorIcons"));
482 	refresh_button->connect("pressed", this, "_refresh_stage_area");
483 	stage_tools->add_child(refresh_button);
484 
485 	stage_files = memnew(Tree);
486 	stage_files->set_h_size_flags(Tree::SIZE_EXPAND_FILL);
487 	stage_files->set_v_size_flags(Tree::SIZE_EXPAND_FILL);
488 	stage_files->set_columns(1);
489 	stage_files->set_column_title(0, TTR("Changes"));
490 	stage_files->set_column_titles_visible(true);
491 	stage_files->set_allow_reselect(true);
492 	stage_files->set_allow_rmb_select(true);
493 	stage_files->set_select_mode(Tree::SelectMode::SELECT_MULTI);
494 	stage_files->set_edit_checkbox_cell_only_when_checkbox_is_pressed(true);
495 	stage_files->connect("cell_selected", this, "_view_file_diff");
496 	stage_files->create_item();
497 	stage_files->set_hide_root(true);
498 	commit_box_vbc->add_child(stage_files);
499 
500 	change_type_to_strings[CHANGE_TYPE_NEW] = TTR("New");
501 	change_type_to_strings[CHANGE_TYPE_MODIFIED] = TTR("Modified");
502 	change_type_to_strings[CHANGE_TYPE_RENAMED] = TTR("Renamed");
503 	change_type_to_strings[CHANGE_TYPE_DELETED] = TTR("Deleted");
504 	change_type_to_strings[CHANGE_TYPE_TYPECHANGE] = TTR("Typechange");
505 
506 	change_type_to_color[CHANGE_TYPE_NEW] = EditorNode::get_singleton()->get_gui_base()->get_color("success_color", "Editor");
507 	change_type_to_color[CHANGE_TYPE_MODIFIED] = EditorNode::get_singleton()->get_gui_base()->get_color("warning_color", "Editor");
508 	change_type_to_color[CHANGE_TYPE_RENAMED] = EditorNode::get_singleton()->get_gui_base()->get_color("disabled_font_color", "Editor");
509 	change_type_to_color[CHANGE_TYPE_DELETED] = EditorNode::get_singleton()->get_gui_base()->get_color("error_color", "Editor");
510 	change_type_to_color[CHANGE_TYPE_TYPECHANGE] = EditorNode::get_singleton()->get_gui_base()->get_color("font_color", "Editor");
511 
512 	stage_buttons = memnew(HSplitContainer);
513 	stage_buttons->set_dragger_visibility(SplitContainer::DRAGGER_HIDDEN_COLLAPSED);
514 	commit_box_vbc->add_child(stage_buttons);
515 
516 	stage_selected_button = memnew(Button);
517 	stage_selected_button->set_h_size_flags(Button::SIZE_EXPAND_FILL);
518 	stage_selected_button->set_text(TTR("Stage Selected"));
519 	stage_selected_button->connect("pressed", this, "_stage_selected");
520 	stage_buttons->add_child(stage_selected_button);
521 
522 	stage_all_button = memnew(Button);
523 	stage_all_button->set_text(TTR("Stage All"));
524 	stage_all_button->connect("pressed", this, "_stage_all");
525 	stage_buttons->add_child(stage_all_button);
526 
527 	commit_box_vbc->add_child(memnew(HSeparator));
528 
529 	commit_message = memnew(TextEdit);
530 	commit_message->set_h_size_flags(Control::SIZE_EXPAND_FILL);
531 	commit_message->set_h_grow_direction(Control::GrowDirection::GROW_DIRECTION_BEGIN);
532 	commit_message->set_v_grow_direction(Control::GrowDirection::GROW_DIRECTION_END);
533 	commit_message->set_custom_minimum_size(Size2(200, 100));
534 	commit_message->set_wrap_enabled(true);
535 	commit_message->set_text(TTR("Add a commit message"));
536 	commit_box_vbc->add_child(commit_message);
537 
538 	commit_button = memnew(Button);
539 	commit_button->set_text(TTR("Commit Changes"));
540 	commit_button->connect("pressed", this, "_send_commit_msg");
541 	commit_box_vbc->add_child(commit_button);
542 
543 	commit_status = memnew(Label);
544 	commit_status->set_align(Label::ALIGN_CENTER);
545 	commit_box_vbc->add_child(commit_status);
546 
547 	version_control_dock = memnew(PanelContainer);
548 	version_control_dock->set_v_size_flags(Control::SIZE_EXPAND_FILL);
549 	version_control_dock->hide();
550 
551 	diff_vbc = memnew(VBoxContainer);
552 	diff_vbc->set_h_size_flags(HBoxContainer::SIZE_FILL);
553 	diff_vbc->set_v_size_flags(HBoxContainer::SIZE_FILL);
554 	version_control_dock->add_child(diff_vbc);
555 
556 	diff_hbc = memnew(HBoxContainer);
557 	diff_hbc->set_h_size_flags(HBoxContainer::SIZE_FILL);
558 	diff_vbc->add_child(diff_hbc);
559 
560 	diff_heading = memnew(Label);
561 	diff_heading->set_text(TTR("Status"));
562 	diff_heading->set_tooltip(TTR("View file diffs before committing them to the latest version"));
563 	diff_hbc->add_child(diff_heading);
564 
565 	diff_file_name = memnew(Label);
566 	diff_file_name->set_text(TTR("No file diff is active"));
567 	diff_file_name->set_h_size_flags(Label::SIZE_EXPAND_FILL);
568 	diff_file_name->set_align(Label::ALIGN_RIGHT);
569 	diff_hbc->add_child(diff_file_name);
570 
571 	diff_refresh_button = memnew(Button);
572 	diff_refresh_button->set_tooltip(TTR("Detect changes in file diff"));
573 	diff_refresh_button->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("Reload", "EditorIcons"));
574 	diff_refresh_button->connect("pressed", this, "_refresh_file_diff");
575 	diff_hbc->add_child(diff_refresh_button);
576 
577 	diff = memnew(RichTextLabel);
578 	diff->set_h_size_flags(TextEdit::SIZE_EXPAND_FILL);
579 	diff->set_v_size_flags(TextEdit::SIZE_EXPAND_FILL);
580 	diff->set_selection_enabled(true);
581 	diff_vbc->add_child(diff);
582 }
583 
~VersionControlEditorPlugin()584 VersionControlEditorPlugin::~VersionControlEditorPlugin() {
585 
586 	shut_down();
587 	memdelete(version_control_dock);
588 	memdelete(version_commit_dock);
589 	memdelete(version_control_actions);
590 }
591