Add escape as a keybinding to exit screens without saving

src/board.py

@@ -34,7 +34,7 @@ class Board:
             self.read_yaml(file)
 
 
-    def read_yaml(self, file='.board.yaml'):
+    def read_yaml(self, file):
         """ Read the yaml file in and set up the data 
 
         Arguments:
@@ -52,6 +52,24 @@ class Board:
             self.tasks[self.columns.index(task['column'])].append(
                     Task(task['summary'], task['score'], task['description']))
 
+    def write_yaml(self, file):
+        """ Write the yaml file 
+
+        Arguments:
+        file - yaml file to write to
+        """
+
+        # Set up data to write out 
+        data = dict()
+        data['columns'] = self.columns
+        data['tasks'] = list()
+        for col,task_list in zip(self.columns, self.tasks):
+            for task in task_list:
+                data['tasks'].append({'column':col, 'summary':task.summary, 'score':task.score, 
+                                      'description':task.description})
+
+        with open(file, 'w') as f:
+            yaml.dump(data, f)
                 
 
     def move_task(self, col_index, task_index, direction):

src/layout.tcss

@@ -34,9 +34,15 @@ EditColScreen {
 }
 
 .header {
+    content-align: center top; 
+    color: #ebdbb9;
+    text-style: underline;
+}
+.header-focused {
     content-align: center top; 
     color: #458588;
-    text-style: bold underline;
+    text-style:  underline;
+
 }
 
 ListItem{

src/tui.py

@@ -48,6 +48,7 @@ class EditTaskScreen(Screen):
     """
     BINDINGS = [
         Binding('ctrl+s', 'save', 'Save Changes', priority=True),
+        Binding('escape', 'exit', 'Exit Without Changes', priority=True),
     ]
     def __init__(self,text):
         """
@@ -82,6 +83,9 @@ class EditTaskScreen(Screen):
         self.text.description = query.nodes[0].text
         self.dismiss(self.text)
 
+    def action_exit(self):
+        self.dismiss(None)
+
 class EditColScreen(Screen):
     """
         This is a screen used to edit the name of a task
@@ -154,14 +158,26 @@ class KanbanForm(App):
                 else:
                     col_class = 'last-column'
                 with Vertical(classes=col_class):
-                    yield Static(col, classes='header')
+                    if i == 0:
+                        yield Static(col, classes='header-focused')
+                    else:
+                        yield Static(col, classes='header')
                     yield TaskList(
                         *[ListItem(Label(task.summary)) for task in self.board.get_tasks()[i]])
 
-        # Now make all TaskLists except the first have no highlights
     def action_fnext(self):
         """ Focus next column"""
+        query = self.query(selector=Static)
+        query = [node for node in query.nodes if str(node) == 'Static()']
+        icol, _ = self.get_col_task()
+        query[icol].classes="header"
         self.children[0].focus_next()
+        try:
+            query[icol+1].classes="header-focused"
+        except IndexError:
+            query[0].classes="header-focused"
+
+        
 
     def action_move_up(self):
         icol, itask = self.get_col_task()
@@ -178,7 +194,15 @@ class KanbanForm(App):
         
     def action_fprev(self):
         """ Focus previous column """
+        query = self.query(selector=Static)
+        query = [node for node in query.nodes if str(node) == 'Static()']
+        icol, _ = self.get_col_task()
+        query[icol].classes="header"
         self.children[0].focus_previous()
+        try:
+            query[icol-1].classes="header-focused"
+        except IndexError:
+            query[-1].classes="header-focused"
 
     def action_move_down(self):
         icol, itask = self.get_col_task()
@@ -217,7 +241,7 @@ class KanbanForm(App):
 
     def action_exit(self):
         """ Exit the application """
-        self.board.write_md()
+        self.board.write_yaml(file='.board.yaml')
         self.exit()
 
     def get_col_task(self):
@@ -233,8 +257,9 @@ class KanbanForm(App):
             if focused_col == child:
                 col_index = i
 
-        # Now get the indext of the item in the list
+        # Now get the index of the item in the list
         to_move = focused_col.highlighted_child
+        task_index = None
         for i, child in enumerate(focused_col.children):
             if to_move == child: 
                 task_index = i
@@ -246,17 +271,19 @@ class KanbanForm(App):
             task and the board class
             
         """
-        icol, itask = self.get_col_task()
-        self.focused.highlighted_child.children[0].update(task.summary)
-        self.board.update_task(icol, itask, task)
+        if task:
+            icol, itask = self.get_col_task()
+            self.focused.highlighted_child.children[0].update(task.summary)
+            self.board.update_task(icol, itask, task)
 
     def new_task(self, task):
         """ This function adds a new task to our board
         """
-        icol,_ = self.get_col_task()
-        self.focused.mount(ListItem(Label(task.summary)))
-        self.board.add_task(icol, task)
-        self.focused.highlighted_child
+        if task:
+            icol,_ = self.get_col_task()
+            self.focused.mount(ListItem(Label(task.summary)))
+            self.board.add_task(icol, task)
+            self.focused.highlighted_child
     
 #    def on_key(self):
 #        with open('log','a') as f: