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########################################################################
#
# File Name: HTMLSelectElement.py
#
#
"""
WWW: http://4suite.com/4DOM e-mail: support@4suite.com
Copyright (c) 2000 Fourthought Inc, USA. All Rights Reserved.
See http://4suite.com/COPYRIGHT for license and copyright information
"""
from xml.dom import implementation
from xml.dom import IndexSizeErr
from xml.dom.html.HTMLElement import HTMLElement
import string
class HTMLSelectElement(HTMLElement):
def __init__(self, ownerDocument, nodeName='SELECT'):
HTMLElement.__init__(self, ownerDocument, nodeName)
def _get_type(self):
if self._get_multiple():
return 'select-multiple'
return 'select-one'
def _get_selectedIndex(self):
options = self._get_options()
for ctr in range(len(options)):
node = options.item(ctr)
if node._get_selected() == 1:
return ctr
return -1
def _set_selectedIndex(self,index):
options = self._get_options()
if index < 0 or index >= len(options):
raise IndexSizeErr()
for ctr in range(len(options)):
node = options.item(ctr)
if ctr == index:
node._set_selected(1)
else:
node._set_selected(0)
def _get_value(self):
options = self._get_options()
node = options.item(self._get_selectedIndex())
if node.hasAttribute('VALUE'):
value = node.getAttribute('VALUE')
elif node.firstChild:
value = node.firstChild.data
else:
value = ''
return value
def _set_value(self,value):
# This doesn't seem to do anything in browsers
pass
def _get_length(self):
return self._get_options()._get_length()
def _get_options(self):
children = self.getElementsByTagName('OPTION')
return implementation._4dom_createHTMLCollection(children)
def _get_disabled(self):
if self.getAttributeNode('DISABLED'):
return 1
return 0
def _set_disabled(self,disabled):
if disabled:
self.setAttribute('DISABLED', 'DISABLED')
else:
self.removeAttribute('DISABLED')
def _get_multiple(self):
if self.getAttributeNode('MULTIPLE'):
return 1
return 0
def _set_multiple(self,mult):
if mult:
self.setAttribute('MULTIPLE', 'MULTIPLE')
else:
self.removeAttribute('MULTIPLE')
def _get_name(self):
return self.getAttribute('NAME')
def _set_name(self,name):
self.setAttribute('NAME',name)
def _get_size(self):
rt = self.getAttribute('SIZE')
if rt != None:
return string.atoi(rt)
return -1
def _set_size(self,size):
self.setAttribute('SIZE',str(size))
def _get_tabIndex(self):
return string.atoi(self.getAttribute('TABINDEX'))
def _set_tabIndex(self,tabindex):
self.setAttribute('TABINDEX',str(tabindex))
def add(self,newElement,beforeElement):
self.insertBefore(newElement,beforeElement)
def remove(self,index):
if index < 0 or index >= self._get_length:
return
hc = self._get_options()
node = hc.item(index)
self.removeChild(node)
def _get_form(self):
parent = self.parentNode
while parent:
if parent.nodeName == "FORM":
return parent
parent = parent.parentNode
return None
### Attribute Access Mappings ###
_readComputedAttrs = HTMLElement._readComputedAttrs.copy()
_readComputedAttrs.update ({
'type' : _get_type,
'length' : _get_length,
'options' : _get_options,
'form' : _get_form,
'selectedIndex' : _get_selectedIndex,
'value' : _get_value,
'disabled' : _get_disabled,
'multiple' : _get_multiple,
'name' : _get_name,
'size' : _get_size,
'tabIndex' : _get_tabIndex,
})
_writeComputedAttrs = HTMLElement._writeComputedAttrs.copy()
_writeComputedAttrs.update ({
'selectedIndex' : _set_selectedIndex,
'value' : _set_value,
'disabled' : _set_disabled,
'multiple' : _set_multiple,
'name' : _set_name,
'size' : _set_size,
'tabIndex' : _set_tabIndex,
})
_readOnlyAttrs = filter(lambda k,m=_writeComputedAttrs: not m.has_key(k),
HTMLElement._readOnlyAttrs + _readComputedAttrs.keys())
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