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########################################################################
#
# File Name: HTMLTableElement.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.html.HTMLElement import HTMLElement
from xml.dom import IndexSizeErr
from xml.dom import implementation
from xml.dom.NodeFilter import NodeFilter
import string
class HTMLTableElement(HTMLElement):
"""
Operations follow the DOM spec, and the 4.0 DTD for TABLE
<!ELEMENT TABLE (CAPTION?, (COL*|COLGROUP*), THEAD?, TFOOT?, TBODY+)>
"""
def __init__(self, ownerDocument, nodeName='TABLE'):
HTMLElement.__init__(self, ownerDocument, nodeName)
### Attribute Methods ###
def _get_align(self):
return string.capitalize(self.getAttribute('ALIGN'))
def _set_align(self,align):
self.setAttribute('ALIGN',align)
def _get_bgColor(self):
return self.getAttribute('BGCOLOR')
def _set_bgColor(self,bgcolor):
self.setAttribute('BGCOLOR',bgcolor)
def _get_border(self):
return self.getAttribute('BORDER')
def _set_border(self,border):
self.setAttribute('BORDER',border)
def _get_caption(self):
nl = self.getElementsByTagName('CAPTION')
if len(nl):
return nl[0]
return None
def _set_caption(self,capt):
nl = self.getElementsByTagName('CAPTION')
if len(nl):
self.replaceChild(capt, nl[0])
else:
self.insertBefore(capt, self.firstChild)
def _get_cellPadding(self):
return self.getAttribute('CELLPADDING')
def _set_cellPadding(self,cellpadding):
self.setAttribute('CELLPADDING',cellpadding)
def _get_cellSpacing(self):
return self.getAttribute('CELLSPACING')
def _set_cellSpacing(self,cellspacing):
self.setAttribute('CELLSPACING',cellspacing)
def _get_frame(self):
return string.capitalize(self.getAttribute('FRAME'))
def _set_frame(self,frame):
self.setAttribute('FRAME',frame)
def _get_rows(self):
rows = []
tHead = self._get_tHead()
if tHead:
rows.extend(list(tHead._get_rows()))
tFoot = self._get_tFoot()
if tFoot:
rows.extend(list(tFoot._get_rows()))
for tb in self._get_tBodies():
rows.extend(list(tb._get_rows()))
return implementation._4dom_createHTMLCollection(rows)
def _get_rules(self):
return string.capitalize(self.getAttribute('RULES'))
def _set_rules(self,rules):
self.setAttribute('RULES',rules)
def _get_summary(self):
return self.getAttribute('SUMMARY')
def _set_summary(self,summary):
self.setAttribute('SUMMARY',summary)
def _get_tBodies(self):
bodies = []
for child in self.childNodes:
if child.nodeName == 'TBODY':
bodies.append(child)
return implementation._4dom_createHTMLCollection(bodies)
def _get_tFoot(self):
for child in self.childNodes:
if child.nodeName == 'TFOOT':
return child
return None
def _set_tFoot(self, newFooter):
oldFooter = self._get_tFoot()
if not oldFooter:
# TFoot goes after THead
iter = self.ownerDocument.createNodeIterator(self.firstChild,
NodeFilter.SHOW_ELEMENT,
None, 0)
ref = None
node = iter.nextNode()
while not ref and node:
tagName = node.tagName
if tagName == 'THEAD':
ref = iter.nextNode()
elif tagName == 'TBODY':
ref = node
node = iter.nextNode()
self.insertBefore(newFooter, ref)
else:
self.replaceChild(newFooter, oldFooter)
def _get_tHead(self):
for child in self.childNodes:
if child.nodeName == 'THEAD':
return child
return None
def _set_tHead(self, newHead):
oldHead = self._get_tHead()
if oldHead:
self.replaceChild(newHead, oldHead)
else:
# We need to put the new Thead in the correct spot
# Look for a TFOOT or a TBODY
iter = self.ownerDocument.createNodeIterator(self.firstChild,
NodeFilter.SHOW_ELEMENT,
None, 0)
ref = None
node = iter.nextNode()
while not ref and node:
tagName = node.tagName
if tagName == 'TFOOT':
ref = node
elif tagName == 'TBODY':
ref = node
elif tagName in ['COL','COLGROUP']:
node = iter.nextNode()
while node.tagName == tagName:
node = iter.nextNode()
ref = node
elif tagName == 'CAPTION':
ref = iter.nextNode()
node = iter.nextNode()
self.insertBefore(newHead, ref)
def _get_width(self):
return self.getAttribute('WIDTH')
def _set_width(self,width):
self.setAttribute('WIDTH',width)
### Methods ###
def createCaption(self):
#Create a new CAPTION if one does not exist
caption = self._get_caption()
if not caption:
caption = self.ownerDocument.createElement('CAPTION')
self._set_caption(caption)
return caption
def createTHead(self):
#Create a new THEAD if one does not exist
thead = self._get_tHead()
if not thead:
thead = self.ownerDocument.createElement('THEAD')
self._set_tHead(thead)
return thead
def createTFoot(self):
#Create a new TFOOT if one does not exist
tfoot = self._get_tFoot()
if not tfoot:
tfoot = self.ownerDocument.createElement('TFOOT')
self._set_tFoot(tfoot)
return tfoot
def deleteCaption(self):
caption = self._get_caption()
if caption:
self.removeChild(caption)
def deleteRow(self,index):
rows = self._get_rows()
if index < 0 or index >= len(rows):
raise IndexSizeErr()
rows[index].parentNode.removeChild(rows[index])
def deleteTHead(self):
thead = self._get_tHead()
if thead != None:
self.removeChild(thead)
def deleteTFoot(self):
tfoot = self._get_tFoot()
if tfoot:
self.removeChild(tfoot)
def insertRow(self,index):
rows = self._get_rows()
if index < 0 or index > len(rows):
raise IndexSizeErr()
newRow = self.ownerDocument.createElement('TR')
if not rows:
# An empty table, create a body in which to insert the row
body = self.ownerDocument.createElement('TBODY')
# The body is the last element according to DTD
self.appendChild(body)
parent = body
ref = None
elif index == len(rows):
parent = rows[-1].parentNode
ref = None
else:
ref = rows[index]
parent = ref.parentNode
return parent.insertBefore(newRow, ref)
### Attribute Access Mappings ###
_readComputedAttrs = HTMLElement._readComputedAttrs.copy()
_readComputedAttrs.update ({
'rows' : _get_rows,
'tBodies' : _get_tBodies,
'caption' : _get_caption,
'tHead' : _get_tHead,
'tFoot' : _get_tFoot,
'align' : _get_align,
'bgColor' : _get_bgColor,
'border' : _get_border,
'cellPadding' : _get_cellPadding,
'cellSpacing' : _get_cellSpacing,
'frame' : _get_frame,
'rules' : _get_rules,
'summary' : _get_summary,
'width' : _get_width,
})
_writeComputedAttrs = HTMLElement._writeComputedAttrs.copy()
_writeComputedAttrs.update ({
'caption' : _set_caption,
'tHead' : _set_tHead,
'tFoot' : _set_tFoot,
'align' : _set_align,
'bgColor' : _set_bgColor,
'border' : _set_border,
'cellPadding' : _set_cellPadding,
'cellSpacing' : _set_cellSpacing,
'frame' : _set_frame,
'rules' : _set_rules,
'summary' : _set_summary,
'width' : _set_width,
})
# Create the read-only list of attributes
_readOnlyAttrs = filter(lambda k,m=_writeComputedAttrs: not m.has_key(k),
HTMLElement._readOnlyAttrs + _readComputedAttrs.keys())
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