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# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation, either version 2.1 of the License,
# or (at your option) any later version.
#
# logilab-common 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with logilab-common. If not, see <http://www.gnu.org/licenses/>.
"""HTML formatting drivers for ureports"""
__docformat__ = "restructuredtext en"
from logilab.common.ureports import BaseWriter
class HTMLWriter(BaseWriter):
"""format layouts as HTML"""
def __init__(self, snippet=None):
super(HTMLWriter, self).__init__()
self.snippet = snippet
def handle_attrs(self, layout):
"""get an attribute string from layout member attributes"""
attrs = u''
klass = getattr(layout, 'klass', None)
if klass:
attrs += u' class="%s"' % klass
nid = getattr(layout, 'id', None)
if nid:
attrs += u' id="%s"' % nid
return attrs
def begin_format(self, layout):
"""begin to format a layout"""
super(HTMLWriter, self).begin_format(layout)
if self.snippet is None:
self.writeln(u'<html>')
self.writeln(u'<body>')
def end_format(self, layout):
"""finished to format a layout"""
if self.snippet is None:
self.writeln(u'</body>')
self.writeln(u'</html>')
def visit_section(self, layout):
"""display a section as html, using div + h[section level]"""
self.section += 1
self.writeln(u'<div%s>' % self.handle_attrs(layout))
self.format_children(layout)
self.writeln(u'</div>')
self.section -= 1
def visit_title(self, layout):
"""display a title using <hX>"""
self.write(u'<h%s%s>' % (self.section, self.handle_attrs(layout)))
self.format_children(layout)
self.writeln(u'</h%s>' % self.section)
def visit_table(self, layout):
"""display a table as html"""
self.writeln(u'<table%s>' % self.handle_attrs(layout))
table_content = self.get_table_content(layout)
for i in range(len(table_content)):
row = table_content[i]
if i == 0 and layout.rheaders:
self.writeln(u'<tr class="header">')
elif i+1 == len(table_content) and layout.rrheaders:
self.writeln(u'<tr class="header">')
else:
self.writeln(u'<tr class="%s">' % (i % 2 and 'even' or 'odd'))
for j in range(len(row)):
cell = row[j] or u' '
if (layout.rheaders and i == 0) or \
(layout.cheaders and j == 0) or \
(layout.rrheaders and i+1 == len(table_content)) or \
(layout.rcheaders and j+1 == len(row)):
self.writeln(u'<th>%s</th>' % cell)
else:
self.writeln(u'<td>%s</td>' % cell)
self.writeln(u'</tr>')
self.writeln(u'</table>')
def visit_list(self, layout):
"""display a list as html"""
self.writeln(u'<ul%s>' % self.handle_attrs(layout))
for row in list(self.compute_content(layout)):
self.writeln(u'<li>%s</li>' % row)
self.writeln(u'</ul>')
def visit_paragraph(self, layout):
"""display links (using <p>)"""
self.write(u'<p>')
self.format_children(layout)
self.write(u'</p>')
def visit_span(self, layout):
"""display links (using <p>)"""
self.write(u'<span%s>' % self.handle_attrs(layout))
self.format_children(layout)
self.write(u'</span>')
def visit_link(self, layout):
"""display links (using <a>)"""
self.write(u' <a href="%s"%s>%s</a>' % (layout.url,
self.handle_attrs(layout),
layout.label))
def visit_verbatimtext(self, layout):
"""display verbatim text (using <pre>)"""
self.write(u'<pre>')
self.write(layout.data.replace(u'&', u'&').replace(u'<', u'<'))
self.write(u'</pre>')
def visit_text(self, layout):
"""add some text"""
data = layout.data
if layout.escaped:
data = data.replace(u'&', u'&').replace(u'<', u'<')
self.write(data)
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