made TAB a switcher for widgets

src/ui.rs

@@ -11,7 +11,7 @@ use tui::Terminal;
 use crate::tags;
 use crate::widget::repo_entry;
 use crate::widget::tag_list;
-use crate::widget::Widget;
+// use crate::widget::Widget;
 
 pub struct Ui {
     state: State,
@@ -51,14 +51,20 @@ impl Ui {
                         .constraints([Constraint::Length(3), Constraint::Min(1)].as_ref())
                         .split(rect.size());
 
-                    rect.render_widget(ui.repo.render(), chunks[0]);
+                    rect.render_widget(ui.repo.render(&ui.state), chunks[0]);
-                    let (list, state) = ui.tags.render();
+                    let (list, state) = ui.tags.render(&ui.state);
                     rect.render_stateful_widget(list, chunks[1], state);
                 })
                 .unwrap();
 
             //handle input
             match receiver.try_recv() {
+                Ok(Key::Char('\t')) => {
+                    ui.state = match ui.state {
+                        State::EditRepo => State::SelectTag,
+                        State::SelectTag => State::EditRepo,
+                    };
+                }
                 Ok(Key::Ctrl('q')) => break 'core, //quit program without saving
                 Ok(Key::Ctrl('s')) => {
                     if ui.state == State::SelectTag {
@@ -67,34 +73,34 @@ impl Ui {
                 }
                 Ok(Key::Char('\n')) => {
                     if ui.state == State::EditRepo {
-                        ui.state = State::SelectTag;
                         ui.repo.confirm();
-                        //TODO query tags and show them switch
                         match tags::Tags::get_tags(ui.repo.get()) {
                             Ok(lines) => ui.tags = tag_list::TagList::new(lines),
-                            Err(_) => (),
+                            Err(_) => {
+                                ui.tags = tag_list::TagList::new_line(
+                                    "Error fetich tags. Is there a typo in the Repository?",
+                                );
                             }
                         }
                     }
-                Ok(Key::Down) => {
-                    if ui.state == State::SelectTag {
-                        ui.tags.next();
                 }
+                Ok(Key::Char(key)) => {
+                    if ui.state == State::EditRepo {
+                        ui.tags = tag_list::TagList::new_line("Editing Repository");
                     }
-                Ok(Key::Up) => {
+                    ui.repo.handle_input(&ui.state, Key::Char(key));
-                    if ui.state == State::SelectTag {
+                    ui.tags.handle_input(&ui.state, Key::Char(key));
-                        ui.tags.previous();
-                    }
                 }
                 Ok(Key::Backspace) => {
-                    ui.state = State::EditRepo;
+                    if ui.state == State::EditRepo {
-                    ui.repo.input(Key::Backspace);
+                        ui.tags = tag_list::TagList::new_line("Editing Repository");
-                    ui.tags = tag_list::TagList::new(vec![String::from("editing Repository")]);
+                    }
+                    ui.repo.handle_input(&ui.state, Key::Backspace);
+                    ui.tags.handle_input(&ui.state, Key::Backspace);
                 }
                 Ok(key) => {
-                    ui.state = State::EditRepo;
+                    ui.repo.handle_input(&ui.state, key);
-                    ui.repo.input(key);
+                    ui.tags.handle_input(&ui.state, key);
-                    ui.tags = tag_list::TagList::new(vec![String::from("editing Repository")]);
                 }
                 _ => (),
             }

src/widget/mod.rs

@@ -1,8 +1,2 @@
-use tui::widgets::ListState;
-
 pub mod repo_entry;
 pub mod tag_list;
-
-pub trait Widget {
-    fn input(&mut self, event: termion::event::Key);
-}

src/widget/repo_entry.rs

@@ -3,6 +3,8 @@ use tui::layout::Alignment;
 use tui::style::{Color, Style};
 use tui::widgets::{Block, Borders, Paragraph};
 
+use crate::ui::State;
+
 pub struct RepoEntry {
     text: String,
     old_text: String,
@@ -22,39 +24,54 @@ impl RepoEntry {
         self.text.clone()
     }
 
-    pub fn render(&self) -> Paragraph {
+    pub fn render(&self, state: &crate::ui::State) -> Paragraph {
         let title = match self.changed {
             true => "Repository*",
             false => "Repository",
         };
+
+        let border_style = if state == &crate::ui::State::EditRepo {
+            Style::default().fg(Color::Green)
+        } else {
+            Style::default().fg(Color::Gray)
+        };
+
         Paragraph::new(self.text.clone())
-            .block(Block::default().title(title).borders(Borders::ALL))
+            .block(
+                Block::default()
+                    .title(title)
+                    .borders(Borders::ALL)
+                    .border_style(border_style),
+            )
             .style(Style::default().fg(Color::White).bg(Color::Black))
             .alignment(Alignment::Left)
     }
 
+    pub fn handle_input(&mut self, state: &State, key: termion::event::Key) {
+        if state != &State::EditRepo {
+            return;
+        }
+
+        match key {
+            // Key::Char('\n') => self.confirm(), //handled in Ui
+            Key::Char(c) => {
+                self.text.push(c);
+                self.changed = true;
+            }
+            Key::Backspace => {
+                self.text.pop();
+                self.changed = true;
+            }
+            Key::Esc => {
+                self.text = self.old_text.clone();
+                self.changed = false;
+            }
+            _ => (),
+        }
+    }
+
     pub fn confirm(&mut self) {
         self.old_text = self.text.clone();
         self.changed = false;
     }
 }
-
-impl super::Widget for RepoEntry {
-    fn input(&mut self, key: termion::event::Key) {
-        match key {
-            Key::Esc => {
-                self.text = self.old_text.clone(); //TODO return to other structure
-                self.changed = false;
-            }
-            Key::Backspace => {
-                self.text.pop();
-                self.changed = true;
-            }
-            Key::Char(c) => {
-                self.text.push(c);
-                self.changed = true;
-            }
-            _ => (),
-        }
-    }
-}

src/widget/tag_list.rs

@@ -1,6 +1,9 @@
+use termion::event::Key;
 use tui::style::{Color, Style};
 use tui::widgets::{Block, Borders, List, ListState};
 
+use crate::ui::State;
+
 pub struct TagList {
     list: Vec<String>,
     state: ListState,
@@ -14,7 +17,20 @@ impl TagList {
         }
     }
 
-    pub fn render(&mut self) -> (List, &mut ListState) {
+    pub fn new_line(line: &str) -> Self {
+        Self {
+            list: vec![String::from(line)],
+            state: ListState::default(),
+        }
+    }
+
+    pub fn render(&mut self, state: &State) -> (List, &mut ListState) {
+        let border_style = if state == &State::SelectTag {
+            Style::default().fg(Color::Green)
+        } else {
+            Style::default().fg(Color::Gray)
+        };
+
         let items: Vec<tui::widgets::ListItem> = self
             .list
             .iter()
@@ -26,7 +42,12 @@ impl TagList {
 
         // Create a List from all list items and highlight the currently selected one
         let items = List::new(items)
-            .block(Block::default().title("Tags").borders(Borders::ALL))
+            .block(
+                Block::default()
+                    .title("Tags")
+                    .borders(Borders::ALL)
+                    .border_style(border_style),
+            )
             .style(Style::default().fg(Color::White).bg(Color::Black))
             .highlight_style(Style::default().bg(Color::Black))
             .highlight_symbol(">>");
@@ -34,6 +55,18 @@ impl TagList {
         (items, &mut self.state)
     }
 
+    pub fn handle_input(&mut self, state: &State, key: termion::event::Key) {
+        if state != &State::SelectTag {
+            return;
+        }
+
+        match key {
+            Key::Down => self.next(),
+            Key::Up => self.previous(),
+            _ => (),
+        }
+    }
+
     pub fn next(&mut self) {
         match self.state.selected() {
             None if self.list.len() > 0 => self.state.select(Some(0)),