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Differences Between: [Versions 310 and 311] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Mustache helper shorten text.
  19   *
  20   * @package    core
  21   * @category   output
  22   * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  namespace core\output;
  27  
  28  defined('MOODLE_INTERNAL') || die();
  29  
  30  use Mustache_LambdaHelper;
  31  use renderer_base;
  32  
  33  /**
  34   * This class will call shorten_text with the section content.
  35   *
  36   * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class mustache_shorten_text_helper {
  40  
  41      /**
  42       * Read a length and text component from the string.
  43       *
  44       * {{#shortentext}}50,Some test to shorten{{/shortentext}}
  45       *
  46       * Both args are required. The length must come first.
  47       *
  48       * @param string $args The text to parse for arguments.
  49       * @param Mustache_LambdaHelper $helper Used to render nested mustache variables.
  50       * @return string
  51       */
  52      public function shorten($args, Mustache_LambdaHelper $helper) {
  53          // Split the text into an array of variables.
  54          list($length, $text) = explode(',', $args, 2);
  55          $length = trim($length);
  56          $text = trim($text);
  57  
  58          // Allow mustache tags in the length and text.
  59          $text = $helper->render($text);
  60          $length = $helper->render($length);
  61  
  62          return shorten_text($text, $length);
  63      }
  64  }
  65