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65 lines
2.0 KiB
65 lines
2.0 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Mustache helper shorten text.
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*
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* @package core
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* @category output
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* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core\output;
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defined('MOODLE_INTERNAL') || die();
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use Mustache_LambdaHelper;
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use renderer_base;
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/**
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* This class will call shorten_text with the section content.
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*
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* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class mustache_shorten_text_helper {
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/**
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* Read a length and text component from the string.
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*
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* {{#shortentext}}50,Some test to shorten{{/shortentext}}
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*
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* Both args are required. The length must come first.
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*
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* @param string $args The text to parse for arguments.
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* @param Mustache_LambdaHelper $helper Used to render nested mustache variables.
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* @return string
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*/
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public function shorten($args, Mustache_LambdaHelper $helper) {
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// Split the text into an array of variables.
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list($length, $text) = explode(',', $args, 2);
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$length = trim($length);
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$text = trim($text);
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// Allow mustache tags in the text.
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$text = $helper->render($text);
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return shorten_text($text, $length);
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}
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}
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