lib/form/submitlink.php

   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 /**
  19  * submit link type form element
  20  *
  21  * Contains HTML class for a submitting to link
  22  *
  23  * @package   core_form
  24  * @copyright 2006 Jamie Pratt <me@jamiep.org>
  25  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26  */
  27
  28 global $CFG;
  29 require_once("$CFG->libdir/form/submit.php");
  30 /**
  31  * submit link type form element
  32  *
  33  * HTML class for a submitting to link
  34  *
  35  * @package   core_form
  36  * @category  form
  37  * @copyright 2006 Jamie Pratt <me@jamiep.org>
  38  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39  */
  40 class MoodleQuickForm_submitlink extends MoodleQuickForm_submit {
  41     /** @var string javascript for submitting element's data */
  42     var $_js;
  43
  44     /** @var string callback function which will be called onclick event */
  45     var $_onclick;
  46
  47     /**
  48      * constructor
  49      *
  50      * @param string $elementName (optional) name of the field
  51      * @param string $value (optional) field label
  52      * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
  53      */
  54     public function __construct($elementName=null, $value=null, $attributes=null) {
  55         parent::__construct($elementName, $value, $attributes);
  56     }
  57
  58     /**
  59      * Old syntax of class constructor for backward compatibility.
  60      */
  61     public function MoodleQuickForm_submitlink($elementName=null, $value=null, $attributes=null) {
  62         self::__construct($elementName, $value, $attributes);
  63     }
  64
  65     /**
  66      * Returns HTML for submitlink form element.
  67      *
  68      * @return string
  69      */
  70     function toHtml() {
  71         $text = $this->_attributes['value'];
  72
  73         return "<noscript><div>" . parent::toHtml() . '</div></noscript><script type="text/javascript">' . $this->_js . "\n"
  74              . 'document.write(\'<a href="#" onclick="' . $this->_onclick . '">'
  75              . $text . "</a>');\n</script>";
  76     }
  77 }