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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) {
  95              helper(e, true, '_included', mod);
  96          });
  97          Y.one('#backup-none-mod_' + mod).on('click', function(e) {
  98              helper(e, false, '_included', mod);
  99          });
 100          if (withuserdata) {
 101              Y.one('#backup-all-userdata-mod_' + mod).on('click', function(e) {
 102                  helper(e, true, withuserdata, mod);
 103              });
 104              Y.one('#backup-none-userdata-mod_' + mod).on('click', function(e) {
 105                  helper(e, false, withuserdata, mod);
 106              });
 107          }
 108      };
 109  
 110      // For each module type on the course, add hidden select all/none options.
 111      var modlist = Y.Node.create('<div id="mod_select_links">');
 112      modlist.hide();
 113      modlist.currentlyshown = false;
 114      links.appendChild(modlist);
 115      for (var mod in modnames) {
 116          // Only include actual values from the list.
 117          if (!modnames.hasOwnProperty(mod)) {
 118              continue;
 119          }
 120          html = html_generator('include_setting section_level', 'mod_' + mod, modnames[mod]);
 121          if (withuserdata) {
 122              html += html_generator('normal_setting', 'userdata-mod_' + mod, modnames[mod]);
 123          }
 124          var modlinks = Y.Node.create(
 125              '<div class="grouped_settings section_level">' + html + '</div>');
 126          modlist.appendChild(modlinks);
 127          initlinks(modlinks, mod);
 128      }
 129  
 130      // Toggles the display of the hidden module select all/none links.
 131      var toggletypes = function() {
 132          // Change text of type toggle link.
 133          var link = Y.one('#backup-bytype');
 134          if (modlist.currentlyshown) {
 135              link.setHTML(M.util.get_string('showtypes', 'backup'));
 136          } else {
 137              link.setHTML(M.util.get_string('hidetypes', 'backup'));
 138          }
 139  
 140          // The link has now been toggled (from show to hide, or vice-versa).
 141          modlist.currentlyshown = !modlist.currentlyshown;
 142  
 143          // Either hide or show the links.
 144          var animcfg = {node: modlist, duration: 0.2},
 145              anim;
 146          if (modlist.currentlyshown) {
 147              // Animate reveal of the module links.
 148              modlist.show();
 149              animcfg.to = {maxHeight: modlist.get('clientHeight') + 'px'};
 150              modlist.setStyle('maxHeight', '0px');
 151              anim = new Y.Anim(animcfg);
 152              anim.on('end', function() {
 153                  modlist.setStyle('maxHeight', 'none');
 154              });
 155              anim.run();
 156          } else {
 157              // Animate hide of the module links.
 158              animcfg.to = {maxHeight: '0px'};
 159              modlist.setStyle('maxHeight', modlist.get('clientHeight') + 'px');
 160              anim = new Y.Anim(animcfg);
 161              anim.on('end', function() {
 162                  modlist.hide();
 163                  modlist.setStyle('maxHeight', 'none');
 164              });
 165              anim.run();
 166          }
 167  
 168      };
 169      Y.one('#backup-bytype').on('click', function() {
 170          toggletypes();
 171      });
 172  
 173      Y.one('#backup-all-included').on('click', function(e) {
 174          helper(e, true, '_included');
 175      });
 176      Y.one('#backup-none-included').on('click', function(e) {
 177          helper(e, false, '_included');
 178      });
 179      if (withuserdata) {
 180          Y.one('#backup-all-userdata').on('click', function(e) {
 181              helper(e, true, withuserdata);
 182          });
 183          Y.one('#backup-none-userdata').on('click', function(e) {
 184              helper(e, false, withuserdata);
 185          });
 186      }
 187  };