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   1  M.tinymce_managefiles = M.tinymce_managefiles || {}
   2  M.tinymce_managefiles.analysefiles = function(Y) {
   3      var form = Y.one('#tinymce_managefiles_manageform'),
   4          usedfiles, missingfiles = '', i;
   5      if (!form || !window.parent || !window.parent.tinyMCE.activeEditor) {
   6          return;
   7      }
   8      usedfiles = window.parent.tinyMCE.activeEditor.execCommand('mceManageFilesUsedFiles')
   9      var delfilesfieldset = form.one('#deletefiles,#id_deletefiles')
  10      for (i in usedfiles) {
  11          if (!delfilesfieldset.one('.felement.fcheckbox input[name="deletefile[' + usedfiles[i] + ']"]')) {
  12              missingfiles += '<li>' + usedfiles[i] + '</li>';
  13          }
  14      }
  15      if (missingfiles !== '') {
  16          form.addClass('hasmissingfiles')
  17          form.one('.managefilesstatus').setContent(M.util.get_string('hasmissingfiles', 'tinymce_managefiles') + ' <ul>' + missingfiles + '</ul>').addClass('error');
  18      }
  19      delfilesfieldset.all('.felement.fcheckbox').each(function(el) {
  20          var chb = el.one('input[type=checkbox]'),
  21              match = /^deletefile\[(.*)\]$/.exec(chb.get('name'));
  22          if (match && usedfiles.indexOf(match[1]) === -1) {
  23              el.addClass('isunused')
  24              form.addClass('hasunusedfiles')
  25          }
  26      });
  27      if (missingfiles === '' && !form.hasClass('hasunusedfiles')) {
  28          form.one('.managefilesstatus').setContent(M.util.get_string('allfilesok', 'tinymce_managefiles'));
  29      }
  30  }