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godot/editor/plugins/version_control_editor_plugin.cpp
Rémi Verschelde b5334d14f7
Update copyright statements to 2021 
Happy new year to the wonderful Godot community!

2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.

We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)

Here's to a great year 2021 for all Godot users 🎆
2021-01-01 20:19:21 +01:00

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/*************************************************************************/
/* version_control_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "version_control_editor_plugin.h"
#include "core/object/script_language.h"
#include "editor/editor_file_system.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
VersionControlEditorPlugin *VersionControlEditorPlugin::singleton = nullptr;
void VersionControlEditorPlugin::_bind_methods() {
ClassDB::bind_method(D_METHOD("popup_vcs_set_up_dialog"), &VersionControlEditorPlugin::popup_vcs_set_up_dialog);
// Used to track the status of files in the staging area
BIND_ENUM_CONSTANT(CHANGE_TYPE_NEW);
BIND_ENUM_CONSTANT(CHANGE_TYPE_MODIFIED);
BIND_ENUM_CONSTANT(CHANGE_TYPE_RENAMED);
BIND_ENUM_CONSTANT(CHANGE_TYPE_DELETED);
BIND_ENUM_CONSTANT(CHANGE_TYPE_TYPECHANGE);
}
void VersionControlEditorPlugin::_selected_a_vcs(int p_id) {
List<StringName> available_addons = get_available_vcs_names();
const StringName selected_vcs = set_up_choice->get_item_text(p_id);
}
void VersionControlEditorPlugin::_populate_available_vcs_names() {
static bool called = false;
if (!called) {
List<StringName> available_addons = get_available_vcs_names();
for (int i = 0; i < available_addons.size(); i++) {
set_up_choice->add_item(available_addons[i]);
}
called = true;
}
}
VersionControlEditorPlugin *VersionControlEditorPlugin::get_singleton() {
return singleton ? singleton : memnew(VersionControlEditorPlugin);
}
void VersionControlEditorPlugin::popup_vcs_set_up_dialog(const Control *p_gui_base) {
fetch_available_vcs_addon_names();
List<StringName> available_addons = get_available_vcs_names();
if (available_addons.size() >= 1) {
Size2 popup_size = Size2(400, 100);
Size2 window_size = p_gui_base->get_viewport_rect().size;
popup_size.x = MIN(window_size.x * 0.5, popup_size.x);
popup_size.y = MIN(window_size.y * 0.5, popup_size.y);
_populate_available_vcs_names();
set_up_dialog->popup_centered_clamped(popup_size * EDSCALE);
} else {
EditorNode::get_singleton()->show_warning(TTR("No VCS addons are available."), TTR("Error"));
}
}
void VersionControlEditorPlugin::_initialize_vcs() {
register_editor();
ERR_FAIL_COND_MSG(EditorVCSInterface::get_singleton(), EditorVCSInterface::get_singleton()->get_vcs_name() + " is already active");
const int id = set_up_choice->get_selected_id();
String selected_addon = set_up_choice->get_item_text(id);
String path = ScriptServer::get_global_class_path(selected_addon);
Ref<Script> script = ResourceLoader::load(path);
ERR_FAIL_COND_MSG(!script.is_valid(), "VCS Addon path is invalid");
EditorVCSInterface *vcs_interface = memnew(EditorVCSInterface);
ScriptInstance *addon_script_instance = script->instance_create(vcs_interface);
ERR_FAIL_COND_MSG(!addon_script_instance, "Failed to create addon script instance.");
// The addon is attached as a script to the VCS interface as a proxy end-point
vcs_interface->set_script_and_instance(script, addon_script_instance);
EditorVCSInterface::set_singleton(vcs_interface);
EditorFileSystem::get_singleton()->connect("filesystem_changed", callable_mp(this, &VersionControlEditorPlugin::_refresh_stage_area));
String res_dir = OS::get_singleton()->get_resource_dir();
ERR_FAIL_COND_MSG(!EditorVCSInterface::get_singleton()->initialize(res_dir), "VCS was not initialized");
_refresh_stage_area();
}
void VersionControlEditorPlugin::_send_commit_msg() {
if (EditorVCSInterface::get_singleton()) {
if (staged_files_count == 0) {
commit_status->set_text(TTR("No files added to stage"));
return;
}
EditorVCSInterface::get_singleton()->commit(commit_message->get_text());
commit_message->set_text("");
version_control_dock_button->set_pressed(false);
} else {
WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu");
}
_update_commit_status();
_refresh_stage_area();
_clear_file_diff();
}
void VersionControlEditorPlugin::_refresh_stage_area() {
if (EditorVCSInterface::get_singleton()) {
staged_files_count = 0;
clear_stage_area();
Dictionary modified_file_paths = EditorVCSInterface::get_singleton()->get_modified_files_data();
String file_path;
for (int i = 0; i < modified_file_paths.size(); i++) {
file_path = modified_file_paths.get_key_at_index(i);
TreeItem *found = stage_files->search_item_text(file_path, nullptr, true);
if (!found) {
ChangeType change_index = (ChangeType)(int)modified_file_paths.get_value_at_index(i);
String change_text = file_path + " (" + change_type_to_strings[change_index] + ")";
Color &change_color = change_type_to_color[change_index];
TreeItem *new_item = stage_files->create_item(stage_files->get_root());
new_item->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
new_item->set_text(0, change_text);
new_item->set_metadata(0, file_path);
new_item->set_custom_color(0, change_color);
new_item->set_checked(0, true);
new_item->set_editable(0, true);
} else {
if (found->get_metadata(0) == diff_file_name->get_text()) {
_refresh_file_diff();
}
}
commit_status->set_text("New changes detected");
}
} else {
WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu.");
}
}
void VersionControlEditorPlugin::_stage_selected() {
if (!EditorVCSInterface::get_singleton()) {
WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu");
return;
}
staged_files_count = 0;
TreeItem *root = stage_files->get_root();
if (root) {
TreeItem *file_entry = root->get_children();
while (file_entry) {
if (file_entry->is_checked(0)) {
EditorVCSInterface::get_singleton()->stage_file(file_entry->get_metadata(0));
file_entry->set_icon_modulate(0, EditorNode::get_singleton()->get_gui_base()->get_theme_color("success_color", "Editor"));
staged_files_count++;
} else {
EditorVCSInterface::get_singleton()->unstage_file(file_entry->get_metadata(0));
file_entry->set_icon_modulate(0, EditorNode::get_singleton()->get_gui_base()->get_theme_color("error_color", "Editor"));
}
file_entry = file_entry->get_next();
}
}
_update_stage_status();
}
void VersionControlEditorPlugin::_stage_all() {
if (!EditorVCSInterface::get_singleton()) {
WARN_PRINT("No VCS addon is initialized. Select a Version Control Addon from Project menu");
return;
}
staged_files_count = 0;
TreeItem *root = stage_files->get_root();
if (root) {
TreeItem *file_entry = root->get_children();
while (file_entry) {
EditorVCSInterface::get_singleton()->stage_file(file_entry->get_metadata(0));
file_entry->set_icon_modulate(0, EditorNode::get_singleton()->get_gui_base()->get_theme_color("success_color", "Editor"));
file_entry->set_checked(0, true);
staged_files_count++;
file_entry = file_entry->get_next();
}
}
_update_stage_status();
}
void VersionControlEditorPlugin::_view_file_diff() {
version_control_dock_button->set_pressed(true);
String file_path = stage_files->get_selected()->get_metadata(0);
_display_file_diff(file_path);
}
void VersionControlEditorPlugin::_display_file_diff(String p_file_path) {
Array diff_content = EditorVCSInterface::get_singleton()->get_file_diff(p_file_path);
diff_file_name->set_text(p_file_path);
diff->clear();
diff->push_font(EditorNode::get_singleton()->get_gui_base()->get_theme_font("source", "EditorFonts"));
for (int i = 0; i < diff_content.size(); i++) {
Dictionary line_result = diff_content[i];
if (line_result["status"] == "+") {
diff->push_color(EditorNode::get_singleton()->get_gui_base()->get_theme_color("success_color", "Editor"));
} else if (line_result["status"] == "-") {
diff->push_color(EditorNode::get_singleton()->get_gui_base()->get_theme_color("error_color", "Editor"));
} else {
diff->push_color(EditorNode::get_singleton()->get_gui_base()->get_theme_color("font_color", "Label"));
}
diff->add_text((String)line_result["content"]);
diff->pop();
}
diff->pop();
}
void VersionControlEditorPlugin::_refresh_file_diff() {
String open_file = diff_file_name->get_text();
if (open_file != "") {
_display_file_diff(diff_file_name->get_text());
}
}
void VersionControlEditorPlugin::_clear_file_diff() {
diff->clear();
diff_file_name->set_text("");
version_control_dock_button->set_pressed(false);
}
void VersionControlEditorPlugin::_update_stage_status() {
String status;
if (staged_files_count == 1) {
status = "Stage contains 1 file";
} else {
status = "Stage contains " + String::num_int64(staged_files_count) + " files";
}
commit_status->set_text(status);
}
void VersionControlEditorPlugin::_update_commit_status() {
String status;
if (staged_files_count == 1) {
status = "Committed 1 file";
} else {
status = "Committed " + String::num_int64(staged_files_count) + " files ";
}
commit_status->set_text(status);
staged_files_count = 0;
}
void VersionControlEditorPlugin::_update_commit_button() {
commit_button->set_disabled(commit_message->get_text().strip_edges() == "");
}
void VersionControlEditorPlugin::register_editor() {
if (!EditorVCSInterface::get_singleton()) {
EditorNode::get_singleton()->add_control_to_dock(EditorNode::DOCK_SLOT_RIGHT_UL, version_commit_dock);
TabContainer *dock_vbc = (TabContainer *)version_commit_dock->get_parent_control();
dock_vbc->set_tab_title(version_commit_dock->get_index(), TTR("Commit"));
Button *vc = EditorNode::get_singleton()->add_bottom_panel_item(TTR("Version Control"), version_control_dock);
set_version_control_tool_button(vc);
}
}
void VersionControlEditorPlugin::fetch_available_vcs_addon_names() {
List<StringName> global_classes;
ScriptServer::get_global_class_list(&global_classes);
for (int i = 0; i != global_classes.size(); i++) {
String path = ScriptServer::get_global_class_path(global_classes[i]);
Ref<Script> script = ResourceLoader::load(path);
ERR_FAIL_COND(script.is_null());
if (script->get_instance_base_type() == "EditorVCSInterface") {
available_addons.push_back(global_classes[i]);
}
}
}
void VersionControlEditorPlugin::clear_stage_area() {
stage_files->get_root()->clear_children();
}
void VersionControlEditorPlugin::shut_down() {
if (EditorVCSInterface::get_singleton()) {
if (EditorFileSystem::get_singleton()->is_connected("filesystem_changed", callable_mp(this, &VersionControlEditorPlugin::_refresh_stage_area))) {
EditorFileSystem::get_singleton()->disconnect("filesystem_changed", callable_mp(this, &VersionControlEditorPlugin::_refresh_stage_area));
}
EditorVCSInterface::get_singleton()->shut_down();
memdelete(EditorVCSInterface::get_singleton());
EditorVCSInterface::set_singleton(nullptr);
EditorNode::get_singleton()->remove_control_from_dock(version_commit_dock);
EditorNode::get_singleton()->remove_bottom_panel_item(version_control_dock);
}
}
bool VersionControlEditorPlugin::is_vcs_initialized() const {
return EditorVCSInterface::get_singleton() ? EditorVCSInterface::get_singleton()->is_vcs_initialized() : false;
}
const String VersionControlEditorPlugin::get_vcs_name() const {
return EditorVCSInterface::get_singleton() ? EditorVCSInterface::get_singleton()->get_vcs_name() : "";
}
VersionControlEditorPlugin::VersionControlEditorPlugin() {
singleton = this;
staged_files_count = 0;
version_control_actions = memnew(PopupMenu);
set_up_dialog = memnew(AcceptDialog);
set_up_dialog->set_title(TTR("Set Up Version Control"));
set_up_dialog->set_min_size(Size2(400, 100));
version_control_actions->add_child(set_up_dialog);
set_up_ok_button = set_up_dialog->get_ok_button();
set_up_ok_button->set_text(TTR("Close"));
set_up_vbc = memnew(VBoxContainer);
set_up_vbc->set_alignment(VBoxContainer::ALIGN_CENTER);
set_up_dialog->add_child(set_up_vbc);
set_up_hbc = memnew(HBoxContainer);
set_up_hbc->set_h_size_flags(HBoxContainer::SIZE_EXPAND_FILL);
set_up_vbc->add_child(set_up_hbc);
set_up_vcs_status = memnew(RichTextLabel);
set_up_vcs_status->set_text(TTR("VCS Addon is not initialized"));
set_up_vbc->add_child(set_up_vcs_status);
set_up_vcs_label = memnew(Label);
set_up_vcs_label->set_text(TTR("Version Control System"));
set_up_hbc->add_child(set_up_vcs_label);
set_up_choice = memnew(OptionButton);
set_up_choice->set_h_size_flags(HBoxContainer::SIZE_EXPAND_FILL);
set_up_choice->connect("item_selected", callable_mp(this, &VersionControlEditorPlugin::_selected_a_vcs));
set_up_hbc->add_child(set_up_choice);
set_up_init_settings = nullptr;
set_up_init_button = memnew(Button);
set_up_init_button->set_text(TTR("Initialize"));
set_up_init_button->connect("pressed", callable_mp(this, &VersionControlEditorPlugin::_initialize_vcs));
set_up_vbc->add_child(set_up_init_button);
version_commit_dock = memnew(VBoxContainer);
version_commit_dock->set_visible(false);
commit_box_vbc = memnew(VBoxContainer);
commit_box_vbc->set_alignment(VBoxContainer::ALIGN_BEGIN);
commit_box_vbc->set_h_size_flags(VBoxContainer::SIZE_EXPAND_FILL);
commit_box_vbc->set_v_size_flags(VBoxContainer::SIZE_EXPAND_FILL);
version_commit_dock->add_child(commit_box_vbc);
stage_tools = memnew(HSplitContainer);
stage_tools->set_dragger_visibility(SplitContainer::DRAGGER_HIDDEN_COLLAPSED);
commit_box_vbc->add_child(stage_tools);
staging_area_label = memnew(Label);
staging_area_label->set_h_size_flags(Label::SIZE_EXPAND_FILL);
staging_area_label->set_text(TTR("Staging area"));
stage_tools->add_child(staging_area_label);
refresh_button = memnew(Button);
refresh_button->set_tooltip(TTR("Detect new changes"));
refresh_button->set_text(TTR("Refresh"));
refresh_button->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("Reload", "EditorIcons"));
refresh_button->connect("pressed", callable_mp(this, &VersionControlEditorPlugin::_refresh_stage_area));
stage_tools->add_child(refresh_button);
stage_files = memnew(Tree);
stage_files->set_h_size_flags(Tree::SIZE_EXPAND_FILL);
stage_files->set_v_size_flags(Tree::SIZE_EXPAND_FILL);
stage_files->set_columns(1);
stage_files->set_column_title(0, TTR("Changes"));
stage_files->set_column_titles_visible(true);
stage_files->set_allow_reselect(true);
stage_files->set_allow_rmb_select(true);
stage_files->set_select_mode(Tree::SelectMode::SELECT_MULTI);
stage_files->set_edit_checkbox_cell_only_when_checkbox_is_pressed(true);
stage_files->connect("cell_selected", callable_mp(this, &VersionControlEditorPlugin::_view_file_diff));
stage_files->create_item();
stage_files->set_hide_root(true);
commit_box_vbc->add_child(stage_files);
change_type_to_strings[CHANGE_TYPE_NEW] = TTR("New");
change_type_to_strings[CHANGE_TYPE_MODIFIED] = TTR("Modified");
change_type_to_strings[CHANGE_TYPE_RENAMED] = TTR("Renamed");
change_type_to_strings[CHANGE_TYPE_DELETED] = TTR("Deleted");
change_type_to_strings[CHANGE_TYPE_TYPECHANGE] = TTR("Typechange");
change_type_to_color[CHANGE_TYPE_NEW] = EditorNode::get_singleton()->get_gui_base()->get_theme_color("success_color", "Editor");
change_type_to_color[CHANGE_TYPE_MODIFIED] = EditorNode::get_singleton()->get_gui_base()->get_theme_color("warning_color", "Editor");
change_type_to_color[CHANGE_TYPE_RENAMED] = EditorNode::get_singleton()->get_gui_base()->get_theme_color("disabled_font_color", "Editor");
change_type_to_color[CHANGE_TYPE_DELETED] = EditorNode::get_singleton()->get_gui_base()->get_theme_color("error_color", "Editor");
change_type_to_color[CHANGE_TYPE_TYPECHANGE] = EditorNode::get_singleton()->get_gui_base()->get_theme_color("font_color", "Editor");
stage_buttons = memnew(HSplitContainer);
stage_buttons->set_dragger_visibility(SplitContainer::DRAGGER_HIDDEN_COLLAPSED);
commit_box_vbc->add_child(stage_buttons);
stage_selected_button = memnew(Button);
stage_selected_button->set_h_size_flags(Button::SIZE_EXPAND_FILL);
stage_selected_button->set_text(TTR("Stage Selected"));
stage_selected_button->connect("pressed", callable_mp(this, &VersionControlEditorPlugin::_stage_selected));
stage_buttons->add_child(stage_selected_button);
stage_all_button = memnew(Button);
stage_all_button->set_text(TTR("Stage All"));
stage_all_button->connect("pressed", callable_mp(this, &VersionControlEditorPlugin::_stage_all));
stage_buttons->add_child(stage_all_button);
commit_box_vbc->add_child(memnew(HSeparator));
commit_message = memnew(TextEdit);
commit_message->set_h_size_flags(Control::SIZE_EXPAND_FILL);
commit_message->set_h_grow_direction(Control::GrowDirection::GROW_DIRECTION_BEGIN);
commit_message->set_v_grow_direction(Control::GrowDirection::GROW_DIRECTION_END);
commit_message->set_custom_minimum_size(Size2(200, 100));
commit_message->set_wrap_enabled(true);
commit_message->connect("text_changed", callable_mp(this, &VersionControlEditorPlugin::_update_commit_button));
commit_box_vbc->add_child(commit_message);
commit_button = memnew(Button);
commit_button->set_text(TTR("Commit Changes"));
commit_button->set_disabled(true);
commit_button->connect("pressed", callable_mp(this, &VersionControlEditorPlugin::_send_commit_msg));
commit_box_vbc->add_child(commit_button);
commit_status = memnew(Label);
commit_status->set_align(Label::ALIGN_CENTER);
commit_box_vbc->add_child(commit_status);
version_control_dock = memnew(PanelContainer);
version_control_dock->set_v_size_flags(Control::SIZE_EXPAND_FILL);
version_control_dock->hide();
diff_vbc = memnew(VBoxContainer);
diff_vbc->set_h_size_flags(HBoxContainer::SIZE_FILL);
diff_vbc->set_v_size_flags(HBoxContainer::SIZE_FILL);
version_control_dock->add_child(diff_vbc);
diff_hbc = memnew(HBoxContainer);
diff_hbc->set_h_size_flags(HBoxContainer::SIZE_FILL);
diff_vbc->add_child(diff_hbc);
diff_heading = memnew(Label);
diff_heading->set_text(TTR("Status"));
diff_heading->set_tooltip(TTR("View file diffs before committing them to the latest version"));
diff_hbc->add_child(diff_heading);
diff_file_name = memnew(Label);
diff_file_name->set_text(TTR("No file diff is active"));
diff_file_name->set_h_size_flags(Label::SIZE_EXPAND_FILL);
diff_file_name->set_align(Label::ALIGN_RIGHT);
diff_hbc->add_child(diff_file_name);
diff_refresh_button = memnew(Button);
diff_refresh_button->set_tooltip(TTR("Detect changes in file diff"));
diff_refresh_button->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("Reload", "EditorIcons"));
diff_refresh_button->connect("pressed", callable_mp(this, &VersionControlEditorPlugin::_refresh_file_diff));
diff_hbc->add_child(diff_refresh_button);
diff = memnew(RichTextLabel);
diff->set_h_size_flags(TextEdit::SIZE_EXPAND_FILL);
diff->set_v_size_flags(TextEdit::SIZE_EXPAND_FILL);
diff->set_selection_enabled(true);
diff_vbc->add_child(diff);
}
VersionControlEditorPlugin::~VersionControlEditorPlugin() {
shut_down();
memdelete(version_control_dock);
memdelete(version_commit_dock);
memdelete(version_control_actions);
}
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