MediaWiki:AjaxBatchDelete.js

//<syntaxhighlight lang="javascript">
/* 
* Ajax Batch Delete V2
* @description Delete listed multiple pages 
* Based on and faster than the original
* http://dev.wikia.com/wiki/AjaxBatchDelete
* Does not need to go to Special:BlankPage to use
* Includes the option to protect after deleting
* Includes the option to grab a whole category's contents
* @author Ozuzanna
*/

;(function($, mw) {

if ($('#t-bd').length)
  return;

var ug = mw.config.get("wgUserGroups").join(' ');
if (ug.indexOf('sysop') + ug.indexOf('vstf') + ug.indexOf('staff') + ug.indexOf('helper') + ug.indexOf('content-moderator') > -5) {

  var FormHTML = '\
  <form method="" name="" class="WikiaForm "> \
    <fieldset> \
      <p>Reason for deleting: \
        <input type="text" id="delete-reason" value="" /> \
        <br/> \
        <label for="protect-check">Protect for admin only? <input type="checkbox" id="protect-check" /></label> \
      </p> \
      <p>Put the name of each page you want to delete on a <b>separate line</b>.</p> \
        <textarea style="resize: none; height: 20em; width: 100%;" id="text-mass-delete"/> \
      <p>Any errors encountered will appear below:</p>\
	<table id="text-error-output" style="resize: none; height:10em; width: 100%; color:black; background-color: #ffbfbf; height: 150px; font-weight: bold"></table> \
    </fieldset> \
  </form>',
  token = mw.user.tokens.get('editToken'),
  delay = window.batchDeleteDelay || 1000;

  //Support for Monobook
  if (mw.config.get('skin') === 'monobook') {
    mw.util.addPortletLink('p-tb', '#', 'Batch Delete', 't-bd');
  } 
  else {
    $('#my-tools-menu').prepend('<li class="custom"><a style="cursor:pointer" id="t-bd">Batch Delete</a></li>');
  }

  $('#t-bd').click(function () {
    $.showCustomModal('Ajax Batch Delete', FormHTML, {
      id: 'form-mass-delete',
      width: 500,
      buttons: [{  
          message: 'Cancel',
          handler: function() {
            $('#form-mass-delete').closeModal();
          }
      }, {
          message: 'Add category contents',
          defaultButton: true,
          handler: function() {
            addCategoryContents();
          }
      }, {
          id: 'startButton',
          message: 'Initiate',
          defaultButton: true,
          handler: function () {
            init(); 
          }
      }]
    });
  });

    function init() {
      var txt = document.getElementById('text-mass-delete'),
      deleteReason = document.getElementById('delete-reason').value,
      pages = txt.value.split('\n'),	
      currentPage = pages[0];

      if (!deleteReason) {
        alert('Please state a reason!');
        return;
      }

      document.getElementById('startButton').setAttribute('disabled','disabled');

      if (!currentPage) {
        document.getElementById('startButton').removeAttribute("disabled");
        $.showCustomModal('Finished!', 'Nothing left to do, or next line is blank.', {
           id: 'mass-delete-complete',
           width: 200,
           buttons: [{
              message: 'Close',
              defaultButton: true,
              handler: function() {
                 $('#mass-delete-complete').closeModal();
              }
           }]
        });
      } 
      else {
              process(currentPage,deleteReason);  
      }
      pages = pages.slice(1,pages.length);
      txt.value = pages.join('\n');
   }

    function addCategoryContents() {
      var category = prompt('Please enter the category name (no category prefix):');
      new mw.Api().get({
      action: 'query',
      list: 'categorymembers',
      cmtitle: "Category:"+category,
      cmlimit: 5000
      })
      .done(function(d) {
        if (!d.error) {
          var data = d.query;

	  for (var i in data.categorymembers) {
            $('#text-mass-delete').append(data.categorymembers[i].title+'\n');
          }
        }
        else {
          $('#text-error-output').append('<tr><td>Failed to get contents of '+ category +' : '+ d.error.code +'</tr></td>');
        }
      })
      .fail(function() {
        $('#text-error-output').append('<tr><td>Failed to get contents of '+ category +'</tr></td>');
      });
    } 

    function process(page,reason) {
      new mw.Api().post({
      format: 'json',
      action: 'delete',
      watchlist: 'nochange',
      title: page,
      reason: reason,
      token: token
      })
      .done(function(d) { 
        if (!d.error) {
          console.log('Deletion of '+page+' successful!');
          if (document.getElementById('protect-check').checked) {
            new mw.Api().post({
            format: 'json',
            action: 'protect',
            expiry: 'infinite',
            protections: 'create=sysop',
            watchlist: 'nochange',
            title: page,
            reason: reason,
            token: token
            })
            .done(function(d) { 
              if (!d.error) {
                console.log('Protection of '+page+' successful!');
              } 
              else {
                console.log('Failed to protect '+page+': '+ d.error.code);
	        $('#text-error-output').append('Failed to protect '+page+': '+d.error.code+'<br/>');
              }
            })
            .fail(function() {
              console.log('Failed to protect '+page+': unknownerror');
	      $('#text-error-output').append('Failed to protect '+page+': unknownerror<br/>');
            });
          }
        } 
	else {
          console.log('Failed to delete '+page+': '+ d.error.code);
          $('#text-error-output').append('Failed to delete '+page+': '+d.error.code+'<br/>');
        }
      })
      .fail(function() {
        console.log('Failed to delete '+page+': unknownerror');
        $('#text-error-output').append('Failed to delete '+page+': unknownerror<br/>');
      });
      setTimeout(init,delay);
    }
  }
}) (this.jQuery, this.mediaWiki);
//</syntaxhighlight>