Add document statistics

i18n/en/cosmic_edit.ftl

@@ -3,6 +3,13 @@ open-project = Open project
 
 # Context Pages
 
+## Document statistics
+document-statistics = Document statistics
+word-count = Word count
+character-count = Characters
+character-count-no-spaces = Characters (without spaces)
+line-count = Lines
+
 ## Settings
 settings = Settings
 
@@ -22,7 +29,7 @@ todo = TODO
 save = Save
 save-as = Save as...
 revert-all-changes = Revert all changes
-document-statistics = Document statistics...
+menu-document-statistics = Document statistics...
 document-type = Document type...
 encoding = Encoding...
 print = Print

src/main.rs

@@ -86,12 +86,14 @@ pub enum Message {
 
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
 pub enum ContextPage {
+    DocumentStatistics,
     Settings,
 }
 
 impl ContextPage {
     fn title(&self) -> String {
         match self {
+            Self::DocumentStatistics => fl!("document-statistics"),
             Self::Settings => fl!("settings"),
         }
     }
@@ -598,6 +600,49 @@ impl cosmic::Application for App {
         }
 
         Some(match self.context_page {
+            ContextPage::DocumentStatistics => {
+                //TODO: calculate in the background
+                let mut character_count = 0;
+                let mut character_count_no_spaces = 0;
+                let line_count;
+                match self.active_tab() {
+                    Some(tab) => {
+                        let editor = tab.editor.lock().unwrap();
+                        let buffer = editor.buffer();
+
+                        line_count = buffer.lines.len();
+                        for line in buffer.lines.iter() {
+                            //TODO: do graphemes?
+                            for c in line.text().chars() {
+                                character_count += 1;
+                                if !c.is_whitespace() {
+                                    character_count_no_spaces += 1;
+                                }
+                            }
+                        }
+                    }
+                    None => {
+                        return None;
+                    }
+                }
+
+                widget::settings::view_column(vec![widget::settings::view_section("")
+                    .add(widget::settings::item::builder(fl!("word-count")).control("TODO"))
+                    .add(
+                        widget::settings::item::builder(fl!("character-count"))
+                            .control(widget::text(character_count.to_string())),
+                    )
+                    .add(
+                        widget::settings::item::builder(fl!("character-count-no-spaces"))
+                            .control(widget::text(character_count_no_spaces.to_string())),
+                    )
+                    .add(
+                        widget::settings::item::builder(fl!("line-count"))
+                            .control(widget::text(line_count.to_string())),
+                    )
+                    .into()])
+                .into()
+            }
             ContextPage::Settings => {
                 widget::settings::view_column(vec![widget::settings::view_section(fl!(
                     "keyboard-shortcuts"

src/menu.rs

@@ -110,7 +110,10 @@ pub fn menu_bar<'a>(config: &Config) -> Element<'a, Message> {
                 MenuTree::new(horizontal_rule(1)),
                 menu_item(fl!("revert-all-changes"), Message::Todo),
                 MenuTree::new(horizontal_rule(1)),
-                menu_item(fl!("document-statistics"), Message::Todo),
+                menu_item(
+                    fl!("menu-document-statistics"),
+                    Message::ToggleContextPage(ContextPage::DocumentStatistics),
+                ),
                 menu_item(fl!("document-type"), Message::Todo),
                 menu_item(fl!("encoding"), Message::Todo),
                 menu_item(fl!("print"), Message::Todo),