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annotate src/browser/sat_browser/html_tools.py @ 712:bf562fb9c273

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server_side: use Jinja2 template engine for static blog
author souliane <souliane@mailoo.org>
date Mon, 13 Jul 2015 18:11:38 +0200
parents 9877607c719a
children 89a0cd2aa763
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011, 2012, 2013, 2014, 2015 Jérôme Poisson <goffi@goffi.org>
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 from sat_frontends.tools import xmltools
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22 import nativedom
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23 import re
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25 dom = nativedom.NativeDOM()
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28 def html_sanitize(html):
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29 """Naive sanitization of HTML"""
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30 return html.replace('<', '&lt;').replace('>', '&gt;')
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33 def html_strip(html):
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34 """Strip leading/trailing white spaces, HTML line breaks and &nbsp; sequences."""
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35 cleaned = re.sub(r"^(<br/?>|&nbsp;|\s)+", "", html)
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36 cleaned = re.sub(r"(<br/?>|&nbsp;|\s)+$", "", cleaned)
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37 return cleaned
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40 def inlineRoot(xhtml):
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41 """ make root element inline """
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42 doc = dom.parseString(xhtml)
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43 return xmltools.inlineRoot(doc)
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46 def convertNewLinesToXHTML(text):
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47 return text.replace('\n', '<br/>')
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50 def XHTML2Text(xhtml):
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51 """Helper method to apply both html_sanitize and convertNewLinesToXHTML"""
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52 return convertNewLinesToXHTML(html_sanitize(xhtml))
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55 def buildPresenceStyle(presence, base_style=None):
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56 """Return the CSS classname to be used for displaying the given presence information.
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58 @param presence (unicode): presence is a value in ('', 'chat', 'away', 'dnd', 'xa')
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59 @param base_style (unicode): base classname
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60 @return: unicode
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61 """
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62 if not base_style:
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63 base_style = "contactLabel"
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64 return '%s-%s' % (base_style, presence or 'connected')
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67 def setPresenceStyle(widget, presence, base_style=None):
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68 """
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69 Set the CSS style of a contact's element according to its presence.
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71 @param widget (Widget): the UI element of the contact
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72 @param presence (unicode): a value in ("", "chat", "away", "dnd", "xa").
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73 @param base_style (unicode): the base name of the style to apply
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74 """
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75 if not hasattr(widget, 'presence_style'):
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76 widget.presence_style = None
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77 style = buildPresenceStyle(presence, base_style)
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78 if style == widget.presence_style:
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79 return
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80 if widget.presence_style is not None:
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81 widget.removeStyleName(widget.presence_style)
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82 widget.addStyleName(style)
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83 widget.presence_style = style