Cleanup of Reload file

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required (VERSION 2.8.8)
 
 project(juci)
-set(JUCI_VERSION "1.2.1.7")
+set(JUCI_VERSION "1.2.1.8")
 
 set(CPACK_PACKAGE_NAME "jucipp")
 set(CPACK_PACKAGE_CONTACT "Ole Christian Eidheim <eidheim@gmail.com>")

src/files.h

@@ -86,6 +86,7 @@ R"RAW(
         "new_folder": "<primary><shift>n",
         "open_file": "<primary>o",
         "open_folder": "<primary><shift>o",
+        "reload_file": "",
         "save": "<primary>s",
         "save_as": "<primary><shift>s",
         "print": "<primary>p",

src/notebook.cc

@@ -128,38 +128,6 @@ std::vector<Source::View*> &Notebook::get_views() {
   return source_views;
 }
 
-void Notebook::reload(const boost::filesystem::path &file_path, size_t notebook_index) {
-  if(boost::filesystem::exists(file_path)) {
-    std::ifstream can_read(file_path.string());
-    if(!can_read) {
-      Terminal::get().print("Error: could not open "+file_path.string()+"\n", true);
-      return;
-    }
-    can_read.close();
-  }
-  
-  auto last_view=get_current_view();
-  int offset = last_view->get_buffer()->get_insert()->get_iter().get_offset();
-  int line = last_view->get_buffer()->get_insert()->get_iter().get_line();
-
-  auto language=Source::guess_language(file_path);
-  last_view->get_buffer()->erase(last_view->get_buffer()->begin(), last_view->get_buffer()->end());
-  last_view->get_source_buffer()->begin_not_undoable_action();
-  if(language) {
-    if(filesystem::read_non_utf8(file_path, last_view->get_buffer())==-1)
-      Terminal::get().print("Warning: "+file_path.string()+" is not a valid UTF-8 file. Saving might corrupt the file.\n");
-  }
-  else {
-    if(filesystem::read(file_path, last_view->get_buffer())==-1)
-      Terminal::get().print("Error: "+file_path.string()+" is not a valid UTF-8 file.\n", true);
-  }
-  
-  last_view->get_source_buffer()->end_not_undoable_action();
-
-  last_view->place_cursor_at_line_offset(line, offset);
-  last_view->get_buffer()->set_modified(true);
-}
-
 void Notebook::open(const boost::filesystem::path &file_path, size_t notebook_index) {
   if(notebook_index==1 && !split)
     toggle_split();
@@ -552,20 +520,7 @@ bool Notebook::close(size_t index) {
     if(on_close_page)
       on_close_page(view);
     
-    size_t cursor_locations_index=0;
-    for(auto it=cursor_locations.begin();it!=cursor_locations.end();) {
-      if(it->view==view) {
-        it=cursor_locations.erase(it);
-        if(current_cursor_location!=static_cast<size_t>(-1) && current_cursor_location>cursor_locations_index)
-          --current_cursor_location;
-      }
-      else {
-        ++it;
-        ++cursor_locations_index;
-      }
-    }
-    if(current_cursor_location>=cursor_locations.size())
-      current_cursor_location=cursor_locations.size()-1;
+    delete_cursor_locations(view);
     
     if(auto clang_view=dynamic_cast<Source::ClangView*>(view))
       clang_view->async_delete();
@@ -579,6 +534,24 @@ bool Notebook::close(size_t index) {
   return true;
 }
 
+void Notebook::delete_cursor_locations(Source::View *view) {
+  size_t cursor_locations_index=0;
+  for(auto it=cursor_locations.begin();it!=cursor_locations.end();) {
+    if(it->view==view) {
+      view->get_buffer()->delete_mark(it->mark);
+      it=cursor_locations.erase(it);
+      if(current_cursor_location!=static_cast<size_t>(-1) && current_cursor_location>cursor_locations_index)
+        --current_cursor_location;
+    }
+    else {
+      ++it;
+      ++cursor_locations_index;
+    }
+  }
+  if(current_cursor_location>=cursor_locations.size())
+    current_cursor_location=cursor_locations.size()-1;
+}
+
 bool Notebook::close_current() {
   return close(get_index(get_current_view()));
 }

src/notebook.h

@@ -37,7 +37,6 @@ public:
   std::vector<Source::View*> &get_views();
   
   void open(const boost::filesystem::path &file_path, size_t notebook_index=-1);
-  void reload(const boost::filesystem::path &file_path, size_t notebook_index=-1);
   void configure(size_t index);
   bool save(size_t index);
   bool save_current();
@@ -64,6 +63,7 @@ public:
   std::vector<CursorLocation> cursor_locations;
   size_t current_cursor_location=-1;
   bool disable_next_update_cursor_locations=false;
+  void delete_cursor_locations(Source::View *view);
   
 private:
   size_t get_index(Source::View *view);

src/source.cc

@@ -90,16 +90,7 @@ const std::regex Source::View::no_bracket_statement_regex("^([ \\t]*)(if|for|els
 const std::regex Source::View::no_bracket_no_para_statement_regex("^([ \\t]*)(else) *$");
 
 Source::View::View(const boost::filesystem::path &file_path, Glib::RefPtr<Gsv::Language> language): Gsv::View(), SpellCheckView(), DiffView(file_path), language(language), status_diagnostics(0, 0, 0) {
-  get_source_buffer()->begin_not_undoable_action();
-  if(language) {
-    if(filesystem::read_non_utf8(file_path, get_buffer())==-1)
-      Terminal::get().print("Warning: "+file_path.string()+" is not a valid UTF-8 file. Saving might corrupt the file.\n");
-  }
-  else {
-    if(filesystem::read(file_path, get_buffer())==-1)
-      Terminal::get().print("Error: "+file_path.string()+" is not a valid UTF-8 file.\n", true);
-  }
-  get_source_buffer()->end_not_undoable_action();
+  load();
   
   get_buffer()->place_cursor(get_buffer()->get_iter_at_offset(0)); 
   
@@ -343,6 +334,30 @@ Source::View::View(const boost::filesystem::path &file_path, Glib::RefPtr<Gsv::L
   }
 }
 
+bool Source::View::load() {
+  get_source_buffer()->begin_not_undoable_action();
+  get_buffer()->erase(get_buffer()->begin(), get_buffer()->end());
+  bool status=true;
+  if(language) {
+    if(filesystem::read_non_utf8(file_path, get_buffer())==-1)
+      Terminal::get().print("Warning: "+file_path.string()+" is not a valid UTF-8 file. Saving might corrupt the file.\n");
+  }
+  else {
+    if(filesystem::read(file_path, get_buffer())==-1) {
+      Terminal::get().print("Error: "+file_path.string()+" is not a valid UTF-8 file.\n", true);
+      status=false;
+    }
+  }
+  get_source_buffer()->end_not_undoable_action();
+  
+  boost::system::error_code ec;
+  last_write_time=boost::filesystem::last_write_time(file_path, ec);
+  if(ec)
+    last_write_time=static_cast<std::time_t>(-1);
+  
+  return status;
+}
+
 void Source::View::rename(const boost::filesystem::path &path) {
   {
     std::unique_lock<std::mutex> lock(file_path_mutex);

src/source.h

@@ -44,6 +44,7 @@ namespace Source {
     View(const boost::filesystem::path &file_path, Glib::RefPtr<Gsv::Language> language);
     ~View();
     
+    bool load();
     void rename(const boost::filesystem::path &path);
     
     virtual bool save(const std::vector<Source::View*> &views);

src/window.cc

@@ -348,8 +348,36 @@ void Window::set_menu_actions() {
   });
   
   menu.add_action("reload_file", [this]() {
-    auto path = Notebook::get().get_current_view()->file_path;
-    Notebook::get().reload(path);
+    if(auto view=Notebook::get().get_current_view()) {
+      Gtk::MessageDialog dialog(*static_cast<Gtk::Window*>(get_toplevel()), "Reload file!", false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_YES_NO);
+      dialog.set_default_response(Gtk::RESPONSE_YES);
+      dialog.set_secondary_text("Do you want to reload: " + view->file_path.string()+" ? The current buffer will be lost.");
+      int result = dialog.run();
+      if(result==Gtk::RESPONSE_YES) {
+        if(boost::filesystem::exists(view->file_path)) {
+          std::ifstream can_read(view->file_path.string());
+          if(!can_read) {
+            Terminal::get().print("Error: could not read "+view->file_path.string()+"\n", true);
+            return;
+          }
+          can_read.close();
+        }
+        else {
+          Terminal::get().print("Error: "+view->file_path.string()+" does not exist\n", true);
+          return;
+        }
+        
+        int line = view->get_buffer()->get_insert()->get_iter().get_line();
+        int offset = view->get_buffer()->get_insert()->get_iter().get_line_offset();
+        view->load();
+        while(Gtk::Main::events_pending())
+          Gtk::Main::iteration(false);
+        Notebook::get().delete_cursor_locations(view);
+        view->place_cursor_at_line_offset(line, offset);
+        view->scroll_to_cursor_delayed(view, true, false);
+        view->get_buffer()->set_modified(false);
+      }
+    }
   });
   
   menu.add_action("save", [this]() {
@@ -1107,6 +1135,7 @@ void Window::activate_menu_items() {
   auto &menu = Menu::get();
   auto view=Notebook::get().get_current_view();
   
+  menu.actions["reload_file"]->set_enabled(view);
   menu.actions["source_spellcheck"]->set_enabled(view);
   menu.actions["source_spellcheck_clear"]->set_enabled(view);
   menu.actions["source_spellcheck_next_error"]->set_enabled(view);