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Updated set_css so it can handle a dictionary of keys and values.

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This commit is contained in:
Jonathan Frederic 2013-11-05 22:56:15 +00:00
parent 20c97e0f87
commit 6834224332
1 changed files with 37 additions and 12 deletions
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49
IPython/html/widgets/widget.py
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@ -183,8 +183,9 @@ class Widget(LoggingConfigurable):
def get_css(self, key, selector=""):
"""Get a CSS property of the widget views (shared among all of the
views)
"""Get a CSS property of the widget. Note, this function does not
actually request the CSS from the front-end; Only properties that have
been set with set_css can be read.
Parameters
----------
@ -199,12 +200,16 @@ class Widget(LoggingConfigurable):
return None
def set_css(self, key, value, selector=""):
"""Set a CSS property of the widget views (shared among all of the
views)
def set_css(self, *args, **kwargs):
"""Set one or more CSS properties of the widget (shared among all of the
views). This function has two signatures:
- set_css(css_dict, [selector=''])
- set_css(key, value, [selector=''])
Parameters
----------
css_dict : dict
CSS key/value pairs to apply
key: unicode
CSS key
value
@ -212,13 +217,33 @@ class Widget(LoggingConfigurable):
selector: unicode (optional)
JQuery selector to use to apply the CSS key/value.
"""
if selector not in self._css:
self._css[selector] = {}
# Only update the property if it has changed.
if not (key in self._css[selector] and value in self._css[selector][key]):
self._css[selector][key] = value
self.send_state('_css') # Send new state to client.
selector = kwargs.get('selector', '')
# Signature 1: set_css(css_dict, [selector=''])
if len(args) == 1:
if isinstance(args[0], dict):
for (key, value) in args[0].items():
self.set_css(key, value, selector=selector)
else:
raise Exception('css_dict must be a dict.')
# Signature 2: set_css(key, value, [selector=''])
elif len(args) == 2 or len(args) == 3:
# Selector can be a positional arg if it's the 3rd value
if len(args) == 3:
selector = args[2]
if selector not in self._css:
self._css[selector] = {}
# Only update the property if it has changed.
key = args[0]
value = args[1]
if not (key in self._css[selector] and value in self._css[selector][key]):
self._css[selector][key] = value
self.send_state('_css') # Send new state to client.
else:
raise Exception('set_css only accepts 1-3 arguments')
def add_class(self, class_name, selector=""):