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ScoDoc-Front/app/scodoc/htmlutils.py

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# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# Gestion scolarite IUT
#
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# Copyright (c) 1999 - 2021 Emmanuel Viennet. All rights reserved.
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#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Emmanuel Viennet emmanuel.viennet@viennet.net
#
##############################################################################
"""Various HTML generation functions
"""
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from flask import g, url_for
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import listhistogram
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def horizontal_bargraph(value, mark):
"""html drawing an horizontal bar and a mark
used to vizualize the relative level of a student
"""
tmpl = """
<span class="graph">
<span class="bar" style="width: %(value)d%%;"></span>
<span class="mark" style="left: %(mark)d%%; "></span>
</span>
"""
return tmpl % {"value": int(value), "mark": int(mark)}
def histogram_notes(notes):
"HTML code drawing histogram"
if not notes:
return ""
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_, H = listhistogram.ListHistogram(notes, 21, minmax=(0, 20))
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D = ['<ul id="vhist-q-graph"><li class="vhist-qtr" id="vhist-q1"><ul>']
left = 5
colwidth = 16 # must match #q-graph li.bar width in stylesheet
if max(H) <= 0:
return ""
hfactor = 95.0 / max(H) # garde une marge de 5% pour l'esthetique
for i in range(len(H)):
if H[i] >= 0:
x = left + i * (4 + colwidth)
heightpercent = H[i] * hfactor
if H[i] > 0:
nn = "<p>%d</p>" % H[i]
else:
nn = ""
D.append(
'<li class="vhist-bar" style="left:%dpx;height:%f%%">%s<p class="leg">%d</p></li>'
% (x, heightpercent, nn, i)
)
D.append("</ul></li></ul>")
return "\n".join(D)
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def make_menu(title, items, css_class="", alone=False):
"""HTML snippet to render a simple drop down menu.
items is a list of dicts:
{ 'title' :
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'endpoint' : flask endpoint (name of the function)
'args' : url query args
'id' :
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'attr' : "" # optional html <a> attributes
'enabled' : # True by default
'helpmsg' :
'submenu' : [ list of sub-items ]
}
"""
def gen_menu_items(items):
H.append("<ul>")
for item in items:
if not item.get("enabled", True):
cls = ' class="ui-state-disabled"'
else:
cls = ""
the_id = item.get("id", "")
if the_id:
li_id = 'id="%s" ' % the_id
else:
li_id = ""
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if "endpoint" in items:
args = item.get("args", {})
item["urlq"] = url_for(endpoint, scodoc_dept=g.scodoc_dept, **args)
else:
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item["urlq"] = "#"
item["attr"] = item.get("attr", "")
submenu = item.get("submenu", None)
H.append(
"<li "
+ li_id
+ cls
+ '><a href="%(urlq)s" %(attr)s>%(title)s</a>' % item
)
if submenu:
gen_menu_items(submenu)
H.append("</li>")
H.append("</ul>")
H = []
if alone:
H.append('<ul class="sco_dropdown_menu %s">' % css_class)
H.append("""<li><a href="#">%s</a>""" % title)
gen_menu_items(items)
H.append("</li>")
if alone:
H.append("</ul>")
return "".join(H)