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