Refactor

gviewer/basic.py

@@ -2,7 +2,7 @@
 
 
 class BasicWidget(urwid.WidgetWrap):
-    def __init__(self, parent, widget):
+    def __init__(self, widget, parent=None):
         self.parent = parent
         super(BasicWidget, self).__init__(widget)
 

gviewer/detail.py

@@ -1,5 +1,6 @@
 import urwid
 
+from basic import BasicWidget
 
 """ Detail Widget Related Component
 
@@ -16,9 +17,10 @@
 """
 
 
-class DetailWidget(urwid.WidgetWrap):
-    def __init__(self, displayer, message):
-        super(DetailWidget, self).__init__(self._make_widget(displayer, message))
+class DetailWidget(BasicWidget):
+    def __init__(self, message, **kwargs):
+        displayer = kwargs["parent"].displayer
+        super(DetailWidget, self).__init__(self._make_widget(displayer, message), **kwargs)
 
     def _make_widget(self, displayer, message):
         detail_groups = displayer.to_detail_groups(message)
@@ -76,7 +78,7 @@ def __init__(self, title, items):
         self.items = items
 
 
-class DetailItemWidget(urwid.WidgetWrap):
+class DetailItemWidget(BasicWidget):
     def __init__(self, item):
         w = urwid.AttrMap(
             urwid.Text(item.content), item.style or "detailitem")
@@ -86,7 +88,7 @@ def keypress(self, size, key):
         return key
 
 
-class DetailItemSeparator(urwid.WidgetWrap):
+class DetailItemSeparator(BasicWidget):
     def __init__(self, content):
         super(DetailItemSeparator, self).__init__(
             urwid.AttrMap(urwid.Text(content), "detailitem separator"))

gviewer/parent.py

@@ -23,14 +23,14 @@ def __init__(self, data_store, displayer, config):
         self.config = config
         self.data_store = data_store
         self.displayer = displayer
-        self.walker = SummaryListWalker(self, data_store, displayer)
-        self.summary = SummaryListWidget(self, self.walker)
+        self.walker = SummaryListWalker(parent=self)
+        self.summary = SummaryListWidget(self.walker, parent=self)
         super(ParentFrame, self).__init__(
             body=self.summary,
             header=header_widget)
 
     def open_detail(self, message):
-        self.set_body(DetailWidget(self.displayer, message))
+        self.set_body(DetailWidget(message, parent=self))
 
     def close_detail(self):
         self.set_body(self.summary)

gviewer/summary.py

@@ -14,13 +14,11 @@
 """
 
 
-class SummaryItem(urwid.WidgetWrap):
-    def __init__(self, parent, displayer, message):
-        self.parent = parent
-        self.displayer = displayer
+class SummaryItem(BasicWidget):
+    def __init__(self, message, parent):
         self.message = message
-        self.title = self.displayer.to_summary(message)
-        super(SummaryItem, self).__init__(self._make_widget())
+        self.title = parent.displayer.to_summary(message)
+        super(SummaryItem, self).__init__(self._make_widget(), parent=parent)
 
     def _make_widget(self):
         return urwid.AttrMap(
@@ -37,24 +35,20 @@ def keypress(self, size, key):
 
 
 class SummaryListWalker(urwid.SimpleFocusListWalker):
-    def __init__(self, parent, data_store, displayer, content=None):
+    def __init__(self, parent, content=None):
         super(SummaryListWalker, self).__init__(content or [])
         self.parent = parent
-        self.data_store = data_store
-        self.displayer = displayer
-        data_store.register_walker(self)
+        parent.data_store.register_walker(self)
 
     def recv(self, message):
-        self.append(SummaryItem(self.parent, self.displayer, message))
+        self.append(SummaryItem(message, parent=self.parent))
 
 
 class FilterSummaryListWalker(SummaryListWalker):
     def __init__(self, origin_walker, search):
         parent = origin_walker.parent
-        data_store = origin_walker.data_store
-        displayer = origin_walker.displayer
-        content = [m for m in origin_walker if displayer.match(search, m.message, m.title)]
-        super(FilterSummaryListWalker, self).__init__(parent, data_store, displayer, content=content)
+        content = [m for m in origin_walker if parent.displayer.match(search, m.message, m.title)]
+        super(FilterSummaryListWalker, self).__init__(parent, content=content)
         self.search = search
 
     def recv(self, message):
@@ -63,13 +57,13 @@ def recv(self, message):
 
 
 class SummaryListWidget(BasicWidget):
-    def __init__(self, parent, walker):
+    def __init__(self, walker, **kwargs):
         self.base_walker = walker
         self.current_walker = walker
         self.list_box = urwid.ListBox(walker)
         self.search = SearchWidget(self)
         widget = urwid.Pile([self.list_box, ("pack", self.search)])
-        super(SummaryListWidget, self).__init__(parent, widget)
+        super(SummaryListWidget, self).__init__(widget, **kwargs)
 
     def filter(self, search):
         new_walker = FilterSummaryListWalker(self.base_walker, search) if search else self.base_walker