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   1  YUI.add('moodle-core-languninstallconfirm', function (Y, NAME) {
   2  
   3  /* global NAME */
   4  
   5  /**
   6   * Home for a Confirmation class.
   7  *
   8  * @module moodle-core-languninstallconfirm
   9  */
  10  
  11  /**
  12  * A class for a language uninstall confirmation.
  13  *
  14  * @class M.core.languninstallconfirm
  15  * @constructor
  16  * @extends Base
  17  */
  18  function Confirmation() {
  19      Confirmation.superclass.constructor.apply(this, arguments);
  20  }
  21  
  22  var SELECTORS = {
  23          UNINSTALLBUTTON: '#languninstallbutton',
  24          UNINSTALLSELECT: '#menuuninstalllang option',
  25          ENGLISHOPTION:   '#menuuninstalllang option[value=\'en\']'
  26  };
  27  
  28  Confirmation.NAME = NAME;
  29  Confirmation.ATTRS = {
  30      /**
  31       * Uninstall url
  32       *
  33       * @property uninstallUrl
  34       * @type string
  35       */
  36      uninstallUrl: {
  37          validator: Y.Lang.isString
  38      }
  39  };
  40  Y.extend(Confirmation, Y.Base, {
  41          /**
  42           * Initializer.
  43           * Registers onclicks.
  44           *
  45           * @method initializer
  46           */
  47          initializer: function() {
  48              Y.one(SELECTORS.UNINSTALLBUTTON).on('click', this._confirm, this);
  49          },
  50          /**
  51           * Confirmation.
  52           * Displays the confirmation dialogue.
  53           *
  54           * @method _confirm
  55           * @protected
  56           * @param {EventFacade} e
  57           */
  58          _confirm: function(e) {
  59              e.preventDefault();
  60              var selectedLangCodes = [];
  61              var selectedLangNames = [];
  62  
  63              Y.all(SELECTORS.UNINSTALLSELECT).each(function(option) {
  64                  if (option.get('selected')) {
  65                      selectedLangCodes.push(option.getAttribute('value'));
  66                      selectedLangNames.push(option.get('text'));
  67                  }
  68              });
  69              // Nothing was selected, show warning.
  70              if (selectedLangCodes.length === 0) {
  71                  new M.core.alert({message: M.util.get_string('selectlangs', 'tool_langimport')}).show();
  72                  return;
  73              } else if (selectedLangCodes.indexOf('en') > -1) { // Don't uninstall english.
  74                  Y.one(SELECTORS.ENGLISHOPTION).set('selected', false);
  75                  new M.core.alert({message: M.util.get_string('noenglishuninstall', 'tool_langimport')}).show();
  76                  return;
  77              }
  78              var confirmationConfig = {
  79                  modal:  true,
  80                  visible:  false,
  81                  centered:  true,
  82                  title:  M.util.get_string('uninstall', 'tool_langimport'),
  83                  question:  M.util.get_string('uninstallconfirm', 'tool_langimport', selectedLangNames.join(", "))
  84              };
  85              new M.core.confirm(confirmationConfig)
  86                  .show()
  87                  .on('complete-yes', this._uninstall, this, selectedLangCodes);
  88          },
  89          /**
  90           * Uninstall.
  91           * Redirects to an uninstall process.
  92           *
  93           * @method _uninstall
  94           * @protected
  95           * @param {EventFacade} e
  96           * @param {Array} langCodes array of lang codes to be uninstalled
  97           */
  98          _uninstall: function(e, langCodes) {
  99              Y.config.win.location.href = this.get('uninstallUrl') + '?mode=4' +
 100                                           '&sesskey=' + M.cfg.sesskey +
 101                                           '&confirmtouninstall=' + langCodes.join('-');
 102          }
 103  
 104  });
 105  
 106  Y.namespace('M.core.languninstallconfirm').Confirmation = Confirmation;
 107  Y.namespace('M.core.languninstallconfirm').init = function(config) {
 108      return new Confirmation(config);
 109  };
 110  
 111  }, '@VERSION@', {"requires": ["base", "node", "moodle-core-notification-confirm", "moodle-core-notification-alert"]});