plugins: on_close method

plugins/exchange_rate/exchange_rate.py

@@ -288,7 +288,6 @@ class FxPlugin(BasePlugin, ThreadJob):
     def show_history(self):
         return self.config_history() and self.exchange.history_ccys()
 
-
     def set_exchange(self, name):
         class_ = self.exchanges.get(name) or self.exchanges.values()[0]
         name = class_.__name__

plugins/exchange_rate/kivy.py

@@ -2,14 +2,26 @@ from exchange_rate import FxPlugin
 from electrum.plugins import hook
 
 class Plugin(FxPlugin):
-    @hook
-    def load_wallet(self, wallet, window):
-        self.window = window
 
     def on_quotes(self):
         self.print_error("on quotes", self.ccy)
-        self.window.fiat_unit = self.ccy
 
     def on_history(self):
         self.print_error("on history")
         self.window.history_screen.update()
+
+    def on_close(self):
+        self.print_error("on close")
+        self.window.fiat_unit = ''
+        self.window.history_screen.update()
+
+    @hook
+    def init_kivy(self, window):
+        self.window = window
+        self.window.fiat_unit = self.ccy
+        self.window.history_screen.update()
+
+    @hook
+    def load_wallet(self, wallet, window):
+        self.window = window
+        self.window.fiat_unit = self.ccy

plugins/exchange_rate/qt.py

@@ -49,9 +49,7 @@ class Plugin(FxPlugin):
     def do_clear(self, window):
         window.fiat_send_e.setText('')
 
-    def close(self):
-        # Get rid of hooks before updating status bars.
-        FxPlugin.close(self)
+    def on_close(self):
         self.app.emit(SIGNAL('close_fx_plugin'))
 
     def restore_window(self, window):