langfilter, initial commit
This addon is based on the NSFW filter but collapses postings based on the detected language instead of a list of words. rel friendica#1778
This commit is contained in:
Tobias Diekershoff
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4876d31209
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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Language Filter
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===============
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This addon allows users to define a list of languages in which postings shall
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be displayed. Postings in other languages will be collapsed, so the user can
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still read them if desired. When no language could be detected (this usually
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happens with short postings) the posting will be shown.
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It is based on the NSFW addon and filters the postings based on the language
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detected by Text_LanguageDetect package that is bundled with friendica.
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Please note, the language detection is not perfect. You should not trust it
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blindly and we will not be responsible for postings you don't see because
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they got wrongly hidden by this addon.
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Author
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======
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* Tobias Diekershoff
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License
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=======
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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# ADDON langfilter
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# Copyright (C)
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# This file is distributed under the same license as the Friendica langfilter addon package.
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#
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#
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#, fuzzy
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msgid ""
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msgstr ""
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"Project-Id-Version: \n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2015-07-24 19:01+0200\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <LL@li.org>\n"
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"Language: \n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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#: langfilter.php:43
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msgid "Language Filter"
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msgstr ""
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#: langfilter.php:44
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msgid ""
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"This addon tries to identify the language of a postings. If it does not "
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"match any language spoken by you (see below) the posting will be collapsed. "
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"Remember detecting the language is not perfect, especially with short "
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"postings."
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msgstr ""
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#: langfilter.php:45
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msgid "Use the language filter"
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msgstr ""
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#: langfilter.php:46
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msgid "Use /expression/ to provide regular expressions"
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msgstr ""
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#: langfilter.php:47
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msgid "I speak"
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msgstr ""
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#: langfilter.php:47
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msgid ""
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"List of abbreviations for languages you speak, comma seperated. For excample "
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"\"de,it\"."
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msgstr ""
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#: langfilter.php:48
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msgid "Save Settings"
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msgstr ""
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#: langfilter.php:67
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msgid "Language Filter Settings saved."
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msgstr ""
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#: langfilter.php:106
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#, php-format
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msgid "unspoken language %s - Click to open/close"
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msgstr ""
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<?php
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/*
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* Name: Language Filter
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* Version: 0.1
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* Description: Filters out postings in languages not spoken by the users
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* Author: Tobias Diekershoff <https://f.diekershoff.de/u/tobias>
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* License: MIT
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*/
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require_once('library/langdet/Text/LanguageDetect.php');
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/* Define the hooks we want to use
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* that is, we have settings, we need to save the settings and we want
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* to modify the content of a posting when friendica prepares it.
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*/
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function langfilter_install() {
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register_hook('prepare_body', 'addon/langfilter/langfilter.php', 'langfilter_prepare_body', 10);
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register_hook('plugin_settings', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings');
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register_hook('plugin_settings_post', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings_post');
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}
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function langfilter_uninstall() {
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unregister_hook('prepare_body', 'addon/langfilter/langfilter.php', 'langfilter_prepare_body');
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unregister_hook('plugin_settings', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings');
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unregister_hook('plugin_settings_post', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings_post');
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}
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/* The settings
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* 1st check if somebody logged in is calling
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* 2nd get the current settings
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* 3rd parse a SMARTY3 template, replacing some translateable strings for the form
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*/
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function langfilter_addon_settings(&$a,&$s) {
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if(! local_user())
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return;
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$enable_checked = (intval(get_pconfig(local_user(),'langfilter','disable')) ? '' : ' checked="checked" ');
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$languages = get_pconfig(local_user(),'langfilter','languages');
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if(! $languages)
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$languages = 'en,de,fr,it,es';
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$t = get_markup_template("settings.tpl", "addon/langfilter/" );
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$s .= replace_macros ($t, array(
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'$title' => t("Language Filter"),
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'$intro' => t ('This addon tries to identify the language of a postings. If it does not match any language spoken by you (see below) the posting will be collapsed. Remember detecting the language is not perfect, especially with short postings.'),
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'$enabled' => array('langfilter_enable', t('Use the language filter'), $enable_checked, ''),
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'$regex' => t('Use /expression/ to provide regular expressions'),
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'$languages' => array('langfilter_languages', t('I speak'), $languages, t('List of abbreviations for languages you speak, comma seperated. For excample "de,it".') ),
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'$submit' => t('Save Settings'),
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));
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return;
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}
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/* Save the settings
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* 1st check it's a logged in user calling
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* 2nd check the langfilter form is to be saved
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* 3rd save the settings to the DB for later usage
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*/
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function langfilter_addon_settings_post(&$a,&$b) {
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if(! local_user())
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return;
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if($_POST['langfilter-settings-submit']) {
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set_pconfig(local_user(),'langfilter','languages',trim($_POST['langfilter_languages']));
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$enable = ((x($_POST,'langfilter_enable')) ? intval($_POST['langfilter_enable']) : 0);
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$disable = 1-$enable;
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set_pconfig(local_user(),'langfilter','disable', $disable);
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info( t('Language Filter Settings saved.') . EOL);
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}
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}
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/* Actually filter postings by their language
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* 1st check if the user wants to filter postings
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* 2nd get the user settings which languages shall be not filtered out
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* 3rd determine the language of a posting
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* 4th if the determined language does not fit to the spoken languages
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* of the user, then collapse the posting, but provide a link to
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* expand it again.
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*/
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function langfilter_prepare_body(&$a,&$b) {
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if(get_pconfig(local_user(),'langfilter','disable'))
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return;
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if(local_user()) {
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$langs = get_pconfig(local_user(),'langfilter','languages');
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}
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if($langs) {
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$arr = explode(',',$langs);
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} else {
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return;
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}
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$found = false;
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$l = new Text_LanguageDetect;
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$l->_name_mode = 2; // two letter codes
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$l->_threshold = 600; // make it a bit harder to be confident with a lng
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// IOW make it more possible that lng is correct
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$lng = $l->detectSimple($b['html']);
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if ($lng==null)
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return;
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if (! in_array($lng, $arr))
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$found = true;
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if ($lng==null)
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$found = false;
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if($found) {
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$rnd = random_string(8);
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$b['html'] = '<div id="langfilter-wrap-' . $rnd . '" class="fakelink" onclick=openClose(\'langfilter-' . $rnd . '\'); >' . sprintf( t('unspoken language %s - Click to open/close'),$lng ) . '</div><div id="langfilter-' . $rnd . '" style="display: none; " >' . $b['html'] . '</div>';
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}
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}
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?>
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<span id="settings_langfilter_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose('settings_langfilter_expanded'); openClose('settings_langfilter_inflated');">
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<h3>{{$title}}</h3>
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</span>
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<div id="settings_langfilter_expanded" class="settings-block" style="display: none;">
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<span class="fakelink" onclick="openClose('settings_langfilter_expanded'); openClose('settings_langfilter_inflated');">
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<h3>{{$title}}</h3>
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</span>
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<div id="langfilter-wrapper">
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<p>{{$intro}}</p>
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<p>{{$regex}}</p>
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{{include file="field_checkbox.tpl" field=$enabled}}
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{{include file="field_input.tpl" field=$languages}}
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</div>
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<div class="settings-submit-wrapper" >
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<input type="submit" id="langfilter-settings-submit" name="langfilter-settings-submit" class="settings-submit" value="{{$submit}}" />
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</div>
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</div>
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