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# -*- coding: utf-8 -*-
"""
This file contains spellchecking widgets.
SpellCheckable is a text area and spellcheck button
"""
from jToolkit.web import server
from jToolkit.widgets import widgets
from jToolkit import spellcheck
# Copyright 2002, 2003 St James Software
#
# This file is part of jToolkit.
#
# jToolkit is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# jToolkit is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with jToolkit; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
class SpellingStandby(widgets.PlainContents):
"""
a simple 'loading...' screen
"""
def __init__(self):
html = """
<body>
<table width="100%" height="100%" valign="center">
<tr>
<td align="center">
<PRE><b>checking...</b></PRE>
</td>
</tr>
</table>
</body>
"""
widgets.PlainContents.__init__(self,html)
class SpellingReview(widgets.Page):
"""
The frameset for the spellchecker
"""
def __init__(self, session, argdict, js_url = None):
if js_url is None:
js_url = "js/spellui.js"
#first do the actual spellchecking
spellcheckfield = argdict['spellcheckfield']
fontStyle = argdict.get('fontStyle', '')
fontWeight = argdict.get('fontWeight', '')
text = argdict.get(spellcheckfield, '')
lang = argdict.get('spellchecklang', None)
results = spellcheck.check(text, lang=lang)
def SuggestionsToString(suggestions):
return "Array(%s)"%','.join(["\"%s\""%suggestion for suggestion in suggestions])
#create links in the text and javascript to store word replacement and position data
words = []
htmltext = text
for index in range(len(results)):
word,pos,suggestions = results[index]
if isinstance(word, str):
word = word.decode("utf8")
#append word to the javascript array
words.append('\nArray(\"%s\",\"%s\",%s,\"%s\")'%(word,pos,SuggestionsToString(suggestions),word))
#add the link, referencing this element of the array
newword = "<a href='#' name='spellcheckword' onClick=\"ShowOptions(this,%s);return false\">"%(index) + word + "</a>"
htmltext = htmltext[:pos] + newword + htmltext[pos + len(word):]
posmod = len(newword) - len(word)
for seekindex in range(index+1,len(results)):
seekword,seekpos,seeksuggestions = results[seekindex]
results[seekindex] = (seekword,seekpos+posmod,seeksuggestions)
htmltext = "<pre id=\"contentsparent\" style=\"font-weight: %s; font-style: %s\">" % (fontWeight,fontStyle) + htmltext + "</pre>"
#finish the javascript
jswordlistarray = 'Array(%s)'%(','.join(words))
#this is the short version of the above code, but can be incorrect if the words are out of order:
#text = text.replace(word,"<a href='#'>" + word + "</a>",1)
#body of the javascript
jstext = """
<script type="text/javascript">
//set up the array of replacements
var wordlist = new %s;
//store the spellcheck field
var spellcheckfield = \"%s\";
</script>
""" % (jswordlistarray,spellcheckfield)
#CSS to handle word wrapping
css = widgets.PlainContents("""
<link rel="stylesheet" href="/css/prewrap.css" type="text/css" />
""")
#create the javascript
autorunscript = widgets.PlainContents(jstext)
javascript = widgets.Script('text/javascript', '', newattribs={'src': js_url})
#finish the page
widgets.Page.__init__(self,contents=[htmltext],
newattribs={'includeheading':False,'bgcolor':'#D5E6F7'},
headerwidgets=[css,autorunscript,javascript])
class SpellCheckable(widgets.PlainContents):
"""
a text area with spellcheck button
"""
def __init__(self, newattribs, readonly = 0, contents = "", standby_url=None, target_url=None, js_url=None):
if standby_url is None:
standby_url = "spellingstandby.htm"
if target_url is None:
target_url = "spellcheck.htm"
if js_url is None:
js_url = "js/spellui.js"
textarea = widgets.TextArea(newattribs, readonly, contents)
textareaname = textarea.attribs['name']
include_script = widgets.Script('text/javascript', '', newattribs={'src': js_url})
if "." in textareaname:
onclickscript = "ToggleSpellChecker(this.form['%s'], this)" % textareaname
else:
onclickscript = "ToggleSpellChecker(this.form.%s, this)" % textareaname
spellcheckbutton = widgets.Input({'type': "button", 'value': "spellcheck", 'onclick': onclickscript})
layertext = """
<DIV id='%s.spellchecklayer' standby_url="%s" target_url="%s"
STYLE='visibility: hidden; position: absolute; left: 20px; z-index:1; white-space: pre-wrap'>
<IFRAME SRC="%s" name="%s.spellcheckframe" id="%s.spellcheckframe" SCROLLING="Yes"
WIDTH="10" HEIGHT="50" MARGINWIDTH=0 MARGINHEIGHT=0 FRAMEBORDER="No">
</IFRAME>
</DIV>
<DIV id='suggestionslayer' STYLE='visibility: hidden; position: absolute; left: 20px; z-index:2'></DIV>
"""%(textareaname, standby_url, target_url, standby_url, textareaname, textareaname)
layer = widgets.PlainContents(layertext)
widgets.PlainContents.__init__(self, [layer,include_script,textarea,spellcheckbutton])
def SpellCheckServer(baseclass):
class SpellCheckServer(server.AppServer, baseclass):
"""the Server that serves the spellchecking pages"""
def getpage(self, pathwords, session, argdict):
"""return a page that will be sent to the user"""
if 'spellcheck.htm' in pathwords:
return SpellingReview(session, argdict)
else:
return super(SpellCheckServer, self).getpage(pathwords, session, argdict)
return SpellCheckServer
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