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| author | Felix Domke <tmbinc@elitedvb.net> | 2006-07-24 23:56:06 +0000 |
|---|---|---|
| committer | Felix Domke <tmbinc@elitedvb.net> | 2006-07-24 23:56:06 +0000 |
| commit | 9bcc599fba7204b53fc24f2ce7357fe0a85f0dc4 (patch) | |
| tree | e5e28c024ab2da42f8f8d11132f35a2f4e8c542c /lib/python | |
| parent | 911466bd5e018b80dfbbd5e12c4923e89a980792 (diff) | |
| download | enigma2-9bcc599fba7204b53fc24f2ce7357fe0a85f0dc4.tar.gz enigma2-9bcc599fba7204b53fc24f2ce7357fe0a85f0dc4.zip | |
support only one upstream element (source)
Diffstat (limited to 'lib/python')
| -rw-r--r-- | lib/python/Components/Element.py | 14 | ||||
| -rw-r--r-- | lib/python/Components/Renderer/Listbox.py | 2 |
2 files changed, 8 insertions, 8 deletions
diff --git a/lib/python/Components/Element.py b/lib/python/Components/Element.py index 5b8bed86..884c87d3 100644 --- a/lib/python/Components/Element.py +++ b/lib/python/Components/Element.py @@ -7,7 +7,6 @@ from Tools.CList import CList class Element: def __init__(self): self.downstream_elements = CList() - self.upstream_elements = CList() self.master = None self.source = None @@ -17,8 +16,8 @@ class Element: self.master = downstream def connectUpstream(self, upstream): - self.upstream_elements.append(upstream) - self.source = upstream # for single-source elements (i.e., most of them.) + assert self.source is None + self.source = upstream self.changed() def connect(self, upstream): @@ -30,10 +29,7 @@ class Element: # we should not disconnect from upstream if # there are still elements depending on us. assert len(self.downstream_elements) == 0, "there are still downstream elements left" - - # disconnect all upstream elements from us - for upstream in self.upstream_elements: - upstream.disconnectDownstream(self) + self.source.disconnectDownstream(self) def disconnectDownstream(self, downstream): self.downstream_elements.remove(downstream) @@ -46,3 +42,7 @@ class Element: # default action: push downstream def changed(self, *args, **kwargs): self.downstream_elements.changed(*args, **kwargs) + + def reconnectUpstream(self, new_upstream): + assert self.source is not None + self.source = new_upstream diff --git a/lib/python/Components/Renderer/Listbox.py b/lib/python/Components/Renderer/Listbox.py index fb787bfa..ab696c23 100644 --- a/lib/python/Components/Renderer/Listbox.py +++ b/lib/python/Components/Renderer/Listbox.py @@ -50,7 +50,7 @@ class Listbox(Renderer, object): wrap_around = property(lambda self: self.__wrap_around, setWrapAround) def selectionChanged(self): - self.upstream_elements.selectionChanged(self.index) + self.source.selectionChanged(self.index) def getIndex(self): if self.instance is None: |