USER:JS AJAXPREVIEW.JS

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This code will be executed when previewing this page.

This user script seems to have a documentation page at User:Js/ajaxPreview.

Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.


window.ajaxPreviewMsg = {

  emptydiff: 'No changes',

 difftip: 'shift-click the button to show changes compared to this old version',

 diff2old: 'comparison to old version',

 viewtip: 'shift-click the button to update interwiki and categories as well\

 (<a href="//en.wikipedia.org/wiki/User:Js/ajaxPreview#Preview" target=_blank>more</a>)'

};





function ajaxPreviewButtons(){



 var ajaxPreviewPos = window.ajaxPreviewPos || 'right'

 if( !document.getElementById('wpSave') ){

	return;

 }

 mw.loader.load( '//en.wikipedia.org/?title=User:Js/preview2.js&action=raw&ctype=text/javascript' );



 if( ajaxPreviewPos != 'bottom' ){

   var previewToolbar = $('<div style="float:'+ajaxPreviewPos+'" />')

   

   if ( mw.user.options.get('usebetatoolbar') ) {

     $('#wikiPreview').after('<div style="width:100%; clear:both" />', previewToolbar)

   } else {

     var el = $('#toolbar')

     if( el.length ) el.prepend(previewToolbar)

     else $('#editform').before(previewToolbar)

   }

 }



 addBtn(window.ajaxPreviewButton, 'wpPreview', window.ajaxPreviewKey || 'p')



 if( mw.config.get( 'wgArticleId' ) )

   addBtn(window.ajaxDiffButton, 'wpDiff', window.ajaxDiffKey || 'v')



 function addBtn(name, id, akey){

  var $btnOld = $(document.getElementById(id))

  if( $btnOld.length === 0 ) return

  var $btn = $('<input type="button" />')

   .attr('id', id + 'Live')

   .attr( 'title', $btnOld.val() + ' (ajax)');

  if( ajaxPreviewPos == 'bottom' ){

    $btn.val( $btnOld.val() ).insertBefore( $btnOld.val('>') )

  }else{

    if( !name ){ //extract last word from standard buttons

      var name = $btnOld.val(); var i = name.lastIndexOf(' ') + 1

      name = name.substring(i, i+1).toUpperCase() + name.substring(i+1)

    }

    $btn.val(name).css({height:'22px', padding:'0 1px'}).appendTo(previewToolbar)

  }

  if( akey ){ //reassign acces key

    if( $btnOld.attr('accesskey') == akey )

      $btnOld.removeAttr('accesskey').updateTooltipAccessKeys()

  $btn.attr('accesskey', akey).updateTooltipAccessKeys()

  }

 }

}







if( $.inArray(mw.config.get('wgAction'), 'edit', 'submit']) !== -1 && mw.config.get('wgCanonicalNamespace') !== 'Special' ){

  mw.loader.using( 'mediawiki.util', 'user.options', 'jquery.textSelection'], function () {

    $(ajaxPreviewButtons);

   } );

}

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