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# encoding: utf-8
"""Trac text boxes macro.
This macro allows to create boxes for shell and IDE output.
Example:
{{{
{{{
#!ShellBox
# cd /tmp
# touch foo
}}}
{{{
#!IdeBox
Success!
}}}
}}}
"""
import itertools
import operator
import StringIO
from pkg_resources import resource_filename
from trac.core import *
from trac.web.chrome import ITemplateProvider, add_stylesheet
from trac.web.api import IRequestFilter
from trac.wiki.macros import WikiMacroBase
import trac.wiki
import genshi.core
from genshi.builder import tag
CLASSES = {
'ShellBox' : 'box shell',
'IdeBox' : 'box ide',
'WarningBox': 'box warning',
'InfoBox': 'box info',
'ImportantBox': 'box important',
'AssignmentBox': 'box assignment'
}
ICONS = {
'WarningBox': 'dialog-warning',
'InfoBox': 'dialog-information',
'ImportantBox': 'emblem-important',
'AssignmentBox': 'Accessories-text-editor',
}
class TextBoxMacro(WikiMacroBase):
implements(ITemplateProvider, IRequestFilter)
def get_macros(self):
yield 'ShellBox'
yield 'IdeBox'
yield 'WarningBox'
yield 'InfoBox'
yield 'ImportantBox'
yield 'AssignmentBox'
yield 'TextIcon'
yield 'MenuTrace'
def expand_macro(self, formatter, name, content, args):
add_stylesheet(formatter.req, 'text_boxes/css/text_boxes.css')
# TODO(holtgrew): Actually, we would like to add a style sheet but this does not work. Thus we use a style tag below.
#add_stylesheet(formatter.req, 'text_boxes/css/text_boxes.css')
className = CLASSES.get(name, 'ShellBox')
if name in ['TextIcon']:
args = trac.wiki.parse_args(content)
if not args or not args[0]: # Handle case of empty entry.
return None
DEFAULT = 'gray'
COLOR_CLASSES = ['green', 'red', 'yellow', 'black', 'gray', 'blue']
color_class_name = args[1].get('color', DEFAULT)
if not color_class_name in COLOR_CLASSES:
color_class_name = DEFAULT
return tag.span(args[0], class_=('text_icon %s' % color_class_name))
elif name in ['MenuTrace']:
args = trac.wiki.parse_args(content)
if not args[0]:
return None
result = tag.span(args[0][0], class_='menu_item')
for text in args[0][1:]:
result += tag.span(u' \u25B8 ', class_='arrow')
result += tag.span(text, class_='menu_item')
return tag.span(result, class_='menu_trace')
elif name in ['WarningBox', 'InfoBox', 'ImportantBox', 'AssignmentBox']:
content_html = self.format_wiki(formatter, content)
return tag.div(genshi.core.Markup(content_html), class_=className)
else:
return tag.pre(content, class_='wiki ' + className)
def format_wiki(self, formatter, wiki_string):
"""Format the given string wiki_string to HTML."""
out = StringIO.StringIO()
trac.wiki.Formatter(self.env, formatter.context).format(wiki_string, out)
return out.getvalue()
### IRequestFilter methods
def pre_process_request(self, req, handler):
return handler
def post_process_request(self, req, template, data, content_type):
add_stylesheet(req, 'text_boxes/css/text_boxes.css')
return template, data, content_type
### ITemplateProvider methods
def get_templates_dirs(self):
return []
def get_htdocs_dirs(self):
from pkg_resources import resource_filename
return [('text_boxes', resource_filename(__name__, 'htdocs'))]
|
