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annotate browser/sat_browser/html_tools.py @ 1152:1c23252958ed

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author Goffi <goffi@goffi.org>
date Fri, 22 Feb 2019 16:57:37 +0100
parents 2af117bfe6cc
children 3048bd137aaf
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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) 2011-2019 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 from __pyjamas__ import JS
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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 JS("""return html.replace(/(^(<br\/?>|&nbsp;|\s)+)|((<br\/?>|&nbsp;|\s)+$)/g, "");""")
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37 def inlineRoot(xhtml):
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38 """ make root element inline """
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39 doc = dom.parseString(xhtml)
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40 return xmltools.inlineRoot(doc)
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43 def convertNewLinesToXHTML(text):
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44 """Replace all the \n with <br/>"""
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45 return text.replace('\n', '<br/>')
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48 def XHTML2Text(xhtml):
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49 """Helper method to apply both html_sanitize and convertNewLinesToXHTML"""
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50 return convertNewLinesToXHTML(html_sanitize(xhtml))
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53 def buildPresenceStyle(presence, base_style=None):
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54 """Return the CSS classname to be used for displaying the given presence information.
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56 @param presence (unicode): presence is a value in ('', 'chat', 'away', 'dnd', 'xa')
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57 @param base_style (unicode): base classname
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58 @return: unicode
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59 """
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60 if not base_style:
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61 base_style = "contactLabel"
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62 return '%s-%s' % (base_style, presence or 'connected')
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65 def setPresenceStyle(widget, presence, base_style=None):
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66 """
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67 Set the CSS style of a contact's element according to its presence.
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69 @param widget (Widget): the UI element of the contact
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70 @param presence (unicode): a value in ("", "chat", "away", "dnd", "xa").
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71 @param base_style (unicode): the base name of the style to apply
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72 """
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73 if not hasattr(widget, 'presence_style'):
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74 widget.presence_style = None
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75 style = buildPresenceStyle(presence, base_style)
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76 if style == widget.presence_style:
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77 return
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78 if widget.presence_style is not None:
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79 widget.removeStyleName(widget.presence_style)
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80 widget.addStyleName(style)
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81 widget.presence_style = style