Initial commit

src/editorUI.py

@@ -0,0 +1,54 @@
+import urwid
+from lineWalker import LineWalker
+import uuid
+
+
+class EditorUI(object):
+
+    def __init__(self, filename):
+
+        assert open(filename, "a")
+
+        self.filename = filename
+
+        self.footer = urwid.AttrWrap(urwid.Text("<Alt + s> Save as |  <Alt + q> Close"), "standard")
+
+        self.walker = LineWalker(filename)
+        self.content = urwid.ListBox(self.walker)
+
+        self.central_frame = urwid.Frame(self.content)
+        self.central_frame.set_footer(self.footer)
+        
+        
+
+
+    def main(self): 
+        self.palette = [("standard", "light blue", "black"),
+                        ("warning", "yellow", "black")]
+        self.loop = urwid.MainLoop(self.central_frame, self.palette, unhandled_input = self.keypress_handler)
+        self.loop.run()
+
+    def keypress_handler(self, key):
+        
+        if key == "meta q":
+            raise urwid.ExitMainLoop()
+
+        elif key == "meta s":
+            self.save(self.filename)
+
+
+    def save(self, save_filename):
+        walker = self.walker
+
+        lines = []
+
+        while walker.file is not None:
+            lines.append(walker.read_next_line())
+
+        file_handle = open(save_filename, "w")
+
+
+        prefix = ""
+        for line in lines:
+            file_handle.write(line)
+            prefix = "\n"