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annotate src/browser/sat_browser/strings.py @ 840:73cc4658f431

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browser (strings): add a parameter "new_target" to addURLToText + fix a wrong import
author souliane <souliane@mailoo.org>
date Wed, 13 Jan 2016 13:12:58 +0100
parents f8a7a046ff9c
children 7dafa5ee809a
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT helpers methods for plugins
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5 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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6
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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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11
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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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16
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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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19
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20 import re
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21 from __pyjamas__ import JS
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22
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23
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24 def getURLParams(url):
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25 """This comes from pyjamas.Location.makeUrlDict with a small change
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26 to also parse full URLs, and parameters with no value specified
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27 (in that case the default value "" is used).
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28 @param url: any URL with or without parameters
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29 @return: a dictionary of the parameters, if any was given, or {}
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30 """
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31 dict_ = {}
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32 if "/" in url:
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33 # keep the part after the last "/"
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34 url = url[url.rindex("/") + 1:]
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35 if url.startswith("?"):
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36 # remove the first "?"
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37 url = url[1:]
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38 pairs = url.split("&")
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39 for pair in pairs:
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40 if len(pair) < 3:
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41 continue
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42 kv = pair.split("=", 1)
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43 dict_[kv[0]] = kv[1] if len(kv) > 1 else ""
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44 return dict_
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45
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46
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47 def addURLToText(text, new_target=True):
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48 """Check a text for what looks like an URL and make it clickable.
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49
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50 @param string (unicode): text to process
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51 @param new_target (bool): if True, make the link open in a new window
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52 """
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53 # XXX: Workaround for a pyjamas bug with regex, base method in sat.frontends.tools.strings
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54 # In some case, Pyjamas' re module get crazy and freeze browsers (tested with Iceweasel and Chromium).
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55 # we use javascript as a workaround
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56 # This method is inspired from https://stackoverflow.com/questions/1500260/detect-urls-in-text-with-javascript
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57 target = ' target="_blank"' if new_target else ''
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58 JS("""var urlRegex = /(https?:\/\/[^\s]+)/g;
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59 return text.replace(urlRegex, function(url) {
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60 return '<a href="' + url + '"' + target + ' class="url">' + url + '</a>';
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61 })""")
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64 def addURLToImage(string):
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65 """Check a XHTML text for what looks like an imageURL and make it clickable.
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66
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67 @param string (unicode): text to process
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68 """
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69 # XXX: Workaround for a pyjamas bug with regex, base method in sat.frontends.tools.strings
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70 def repl(match):
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71 url = match.group(1)
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72 return '<a href="%s" target="_blank">%s</a>' % (url, match.group(0))
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73 pattern = r"""<img[^>]* src="([^"]+)"[^>]*>"""
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74 return re.sub(pattern, repl, string)