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   1  /**
   2   * Adds select all/none links to the top of the backup/restore/import schema page.
   3   *
   4   * @module moodle-backup-backupselectall
   5   */
   6  
   7  // Namespace for the backup
   8  M.core_backup = M.core_backup || {};
   9  
  10  /**
  11   * Adds select all/none links to the top of the backup/restore/import schema page.
  12   *
  13   * @class M.core_backup.backupselectall
  14   */
  15  M.core_backup.backupselectall = function(modnames) {
  16      var formid = null;
  17  
  18      var helper = function(e, check, type, mod) {
  19          e.preventDefault();
  20          var prefix = '';
  21          if (typeof mod !== 'undefined') {
  22              prefix = 'setting_activity_' + mod + '_';
  23          }
  24  
  25          var len = type.length;
  26          Y.all('input[type="checkbox"]').each(function(checkbox) {
  27              var name = checkbox.get('name');
  28              // If a prefix has been set, ignore checkboxes which don't have that prefix.
  29              if (prefix && name.substring(0, prefix.length) !== prefix) {
  30                  return;
  31              }
  32              if (name.substring(name.length - len) === type) {
  33                  checkbox.set('checked', check);
  34              }
  35          });
  36  
  37          // At this point, we really need to persuade the form we are part of to
  38          // update all of its disabledIf rules. However, as far as I can see,
  39          // given the way that lib/form/form.js is written, that is impossible.
  40          if (formid && M.form) {
  41              M.form.updateFormState(formid);
  42          }
  43      };
  44  
  45      var html_generator = function(classname, idtype, heading, extra) {
  46          if (typeof extra === 'undefined') {
  47              extra = '';
  48          }
  49          return '<div class="' + classname + '">' +
  50                      '<div class="fitem fitem_fcheckbox backup_selector">' +
  51                          '<div class="fitemtitle">' + heading + '</div>' +
  52                          '<div class="felement">' +
  53                              '<a id="backup-all-' + idtype + '" href="#">' + M.util.get_string('all', 'moodle') + '</a> / ' +
  54                              '<a id="backup-none-' + idtype + '" href="#">' + M.util.get_string('none', 'moodle') + '</a>' +
  55                              extra +
  56                          '</div>' +
  57                      '</div>' +
  58                  '</div>';
  59      };
  60  
  61      var firstsection = Y.one('fieldset#id_coursesettings .fcontainer.clearfix .grouped_settings.section_level');
  62      if (!firstsection) {
  63          // This is not a relevant page.
  64          return;
  65      }
  66      if (!firstsection.one('.felement.fcheckbox')) {
  67          // No checkboxes.
  68          return;
  69      }
  70  
  71      formid = firstsection.ancestor('form').getAttribute('id');
  72  
  73      var withuserdata = false;
  74      Y.all('input[type="checkbox"]').each(function(checkbox) {
  75          var name = checkbox.get('name');
  76          if (name.substring(name.length - 9) === '_userdata') {
  77              withuserdata = '_userdata';
  78          } else if (name.substring(name.length - 9) === '_userinfo') {
  79              withuserdata = '_userinfo';
  80          }
  81      });
  82  
  83      // Add global select all/none options.
  84      var html = html_generator('include_setting section_level', 'included', M.util.get_string('select', 'moodle'),
  85              ' (<a id="backup-bytype" href="#">' + M.util.get_string('showtypes', 'backup') + '</a>)');
  86      if (withuserdata) {
  87          html += html_generator('normal_setting', 'userdata', M.util.get_string('select', 'moodle'));
  88      }
  89      var links = Y.Node.create('<div class="grouped_settings section_level">' + html + '</div>');
  90      firstsection.insert(links, 'before');
  91  
  92      // Add select all/none for each module type.
  93      var initlinks = function(links, mod) {
  94          Y.one('#backup-all-mod_' + mod).on('click', function(e) { helper(e, true, '_included', mod); });
  95          Y.one('#backup-none-mod_' + mod).on('click', function(e) { helper(e, false, '_included', mod); });
  96          if (withuserdata) {
  97              Y.one('#backup-all-userdata-mod_' + mod).on('click', function(e) { helper(e, true, withuserdata, mod); });
  98              Y.one('#backup-none-userdata-mod_' + mod).on('click', function(e) { helper(e, false, withuserdata, mod); });
  99          }
 100      };
 101  
 102      // For each module type on the course, add hidden select all/none options.
 103      var modlist = Y.Node.create('<div id="mod_select_links">');
 104      modlist.hide();
 105      modlist.currentlyshown = false;
 106      links.appendChild(modlist);
 107      for (var mod in modnames) {
 108          // Only include actual values from the list.
 109          if (!modnames.hasOwnProperty(mod)) {
 110              continue;
 111          }
 112          html = html_generator('include_setting section_level', 'mod_' + mod, modnames[mod]);
 113          if (withuserdata) {
 114              html += html_generator('normal_setting', 'userdata-mod_' + mod, modnames[mod]);
 115          }
 116          var modlinks = Y.Node.create(
 117              '<div class="grouped_settings section_level">' + html + '</div>');
 118          modlist.appendChild(modlinks);
 119          initlinks(modlinks, mod);
 120      }
 121  
 122      // Toggles the display of the hidden module select all/none links.
 123      var toggletypes = function() {
 124          // Change text of type toggle link.
 125          var link = Y.one('#backup-bytype');
 126          if (modlist.currentlyshown) {
 127              link.setHTML(M.util.get_string('showtypes', 'backup'));
 128          } else {
 129              link.setHTML(M.util.get_string('hidetypes', 'backup'));
 130          }
 131  
 132          // The link has now been toggled (from show to hide, or vice-versa).
 133          modlist.currentlyshown = !modlist.currentlyshown;
 134  
 135          // Either hide or show the links.
 136          var animcfg = { node: modlist, duration: 0.2 },
 137              anim;
 138          if (modlist.currentlyshown) {
 139              // Animate reveal of the module links.
 140              modlist.show();
 141              animcfg.to = { maxHeight: modlist.get('clientHeight') + 'px' };
 142              modlist.setStyle('maxHeight', '0px');
 143              anim = new Y.Anim(animcfg);
 144              anim.on('end', function() { modlist.setStyle('maxHeight', 'none'); });
 145              anim.run();
 146          } else {
 147              // Animate hide of the module links.
 148              animcfg.to = { maxHeight: '0px' };
 149              modlist.setStyle('maxHeight', modlist.get('clientHeight') + 'px');
 150              anim = new Y.Anim(animcfg);
 151              anim.on('end', function() { modlist.hide(); modlist.setStyle('maxHeight', 'none'); });
 152              anim.run();
 153          }
 154  
 155      };
 156      Y.one('#backup-bytype').on('click', function() { toggletypes(); });
 157  
 158      Y.one('#backup-all-included').on('click',  function(e) { helper(e, true,  '_included'); });
 159      Y.one('#backup-none-included').on('click', function(e) { helper(e, false, '_included'); });
 160      if (withuserdata) {
 161          Y.one('#backup-all-userdata').on('click',  function(e) { helper(e, true,  withuserdata); });
 162          Y.one('#backup-none-userdata').on('click', function(e) { helper(e, false, withuserdata); });
 163      }
 164  };