self.onExecBegin = [ ]
self.onShown = [ ]
+ self.onShow = [ ]
+ self.onHide = [ ]
+
self.execing = False
+ self.shown = False
# in order to support screens *without* a help,
# we need the list in every screen. how ironic.
self.active_components = [ ]
for x in self.onExecBegin:
x()
- if self.session.currentDialog != self:
+ if self.session.current_dialog != self:
return
-# assert self.session == None, "a screen can only exec one per time"
+# assert self.session == None, "a screen can only exec once per time"
# self.session = session
for (name, val) in self.items():
val.execBegin()
- if self.session.currentDialog != self:
+ if self.session.current_dialog != self:
return
self.active_components.append(val)
# never call this directly - it will be called from the session!
def doClose(self):
+ self.hide()
for x in self.onClose:
x()
del self.session
for (name, val) in self.items():
del self[name]
+
+ # really delete all elements now
+ self.__dict__.clear()
def close(self, *retval):
self.session.close(*retval)
def setFocus(self, o):
self.instance.setFocus(o.instance)
+
+ def show(self):
+ if self.shown:
+ return
+ self.shown = True
+ self.instance.show()
+ for x in self.onShow:
+ x()
+ for (name, val) in self.items():
+ if isinstance(val, GUIComponent):
+ val.onShow()
+
+ def hide(self):
+ if not self.shown:
+ return
+ self.shown = False
+ self.instance.hide()
+ for x in self.onHide:
+ x()
+ for (name, val) in self.items():
+ if isinstance(val, GUIComponent):
+ val.onHide()