First try at starting on the UI

[watersofshiloah] / src / banners.py

diff --git a/src/banners.py b/src/banners.py
new file mode 100644 (file)
index 0000000..328029a
--- /dev/null
+++ b/src/banners.py
@@ -0,0 +1,91 @@
+import sys
+import logging
+
+import gtk
+
+import util.misc as misc_utils
+
+
+_moduleLogger = logging.getLogger(__name__)
+
+
+class GenericBanner(object):
+
+       def __init__(self):
+               self._label = gtk.Label()
+
+               self._layout = gtk.VBox()
+               self._layout.pack_start(self._label)
+
+       @property
+       def toplevel(self):
+               return self._layout
+
+       def show(self, message):
+               assert not self._label.get_text(), self._label.get_text()
+               self._label.set_text(message)
+               self.toplevel.show()
+
+       def hide(self):
+               assert self._label.get_text(), self._label.get_text()
+               self._label.set_text("")
+               self.toplevel.hide()
+
+
+class StackingBanner(object):
+
+       ICON_SIZE = 32
+
+       def __init__(self):
+               self._indicator = gtk.Image()
+
+               self._message = gtk.Label()
+
+               self._closeImage = gtk.Image()
+               self._closeImage.set_from_stock("gtk-close", self.ICON_SIZE)
+
+               self._layout = gtk.HBox()
+               self._layout.pack_start(self._indicator, False, False)
+               self._layout.pack_start(self._message, True, True)
+               self._layout.pack_start(self._closeImage, False, False)
+
+               self._events = gtk.EventBox()
+               self._events.add(self._layout)
+               self._events.connect("button_release_event", self._on_close)
+
+               self._messages = []
+
+       @property
+       def toplevel(self):
+               return self._events
+
+       def push_message(self, message, icon=""):
+               self._messages.append((message, icon))
+               if 1 == len(self.__messages):
+                       self._update_message()
+
+       def push_exception(self):
+               userMessage = str(sys.exc_info()[1])
+               self.push_message(userMessage, "gtk-dialog-error")
+               _moduleLogger.exception(userMessage)
+
+       def pop_message(self):
+               del self.__messages[0]
+               self._update_message()
+
+       def _update_message(self):
+               if 0 == len(self.__messages):
+                       self.toplevel.hide()
+               else:
+                       message, icon = self._message[0]
+                       self._message.set_text(message)
+                       if icon:
+                               self._indicator.set_from_stock(icon)
+                               self._indicator.show()
+                       else:
+                               self._indicator.hide()
+                       self.toplevel.show()
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_close(self, *args):
+               self.pop_message()