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"""
"""
import widget
class Form(widget.Widget):
"""A form that automatically will contain all named widgets.
<p>After a form is created, all named widget that are subsequently created are added
to that form. You may use dict style access to access named widgets.</p>
<pre>Form()</pre>
<strong>Example</strong>
<code>
f = gui.Form()
w = gui.Input("Phil",name="firstname")
w = gui.Input("Hassey",name="lastname")
print f.results()
print ''
print f.items()
print ''
print f['firstname'].value
print f['lastname'].value
</code>
"""
def __init__(self):
widget.Widget.__init__(self,decorate=False)
self._elist = []
self._emap = {}
self._dirty = 0
Form.form = self
def add(self,e,name=None,value=None):
if name != None: e.name = name
if value != None: e.value = value
self._elist.append(e)
self._dirty = 1
def _clean(self):
for e in self._elist[:]:
if not hasattr(e,'name') or e.name == None:
self._elist.remove(e)
self._emap = {}
for e in self._elist:
self._emap[e.name] = e
self._dirty = 0
def __getitem__(self,k):
if self._dirty: self._clean()
return self._emap[k]
def __contains__(self,k):
if self._dirty: self._clean()
if k in self._emap: return True
return False
def results(self):
"""Return a dict of name => values.
<pre>Form.results(): return dict</pre>
"""
if self._dirty: self._clean()
r = {}
for e in self._elist:
r[e.name] = e.value
return r
def items(self):
"""Return a list of name, value keys.
<pre>Form.items(): return list</pre>
"""
return self.results().items()
#def start(self):
# Object.start(self,-1)
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