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   1  /**
   2   * @output wp-admin/js/link.js
   3   */
   4  
   5  /* global postboxes, deleteUserSetting, setUserSetting, getUserSetting */
   6  
   7  jQuery(document).ready( function($) {
   8  
   9      var newCat, noSyncChecks = false, syncChecks, catAddAfter;
  10  
  11      $('#link_name').focus();
  12      // Postboxes.
  13      postboxes.add_postbox_toggles('link');
  14  
  15      /**
  16       * Adds event that opens a particular category tab.
  17       *
  18       * @ignore
  19       *
  20       * @return {boolean} Always returns false to prevent the default behavior.
  21       */
  22      $('#category-tabs a').click(function(){
  23          var t = $(this).attr('href');
  24          $(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
  25          $('.tabs-panel').hide();
  26          $(t).show();
  27          if ( '#categories-all' == t )
  28              deleteUserSetting('cats');
  29          else
  30              setUserSetting('cats','pop');
  31          return false;
  32      });
  33      if ( getUserSetting('cats') )
  34          $('#category-tabs a[href="#categories-pop"]').click();
  35  
  36      // Ajax Cat.
  37      newCat = $('#newcat').one( 'focus', function() { $(this).val( '' ).removeClass( 'form-input-tip' ); } );
  38  
  39      /**
  40       * After adding a new category, focus on the category add input field.
  41       *
  42       * @return {void}
  43       */
  44      $('#link-category-add-submit').click( function() { newCat.focus(); } );
  45  
  46      /**
  47       * Synchronize category checkboxes.
  48       *
  49       * This function makes sure that the checkboxes are synced between the all
  50       * categories tab and the most used categories tab.
  51       *
  52       * @since 2.5.0
  53       *
  54       * @return {void}
  55       */
  56      syncChecks = function() {
  57          if ( noSyncChecks )
  58              return;
  59          noSyncChecks = true;
  60          var th = $(this), c = th.is(':checked'), id = th.val().toString();
  61          $('#in-link-category-' + id + ', #in-popular-link_category-' + id).prop( 'checked', c );
  62          noSyncChecks = false;
  63      };
  64  
  65      /**
  66       * Adds event listeners to an added category.
  67       *
  68       * This is run on the addAfter event to make sure the correct event listeners
  69       * are bound to the DOM elements.
  70       *
  71       * @since 2.5.0
  72       *
  73       * @param {string} r Raw XML response returned from the server after adding a
  74       *                   category.
  75       * @param {Object} s List manager configuration object; settings for the Ajax
  76       *                   request.
  77       *
  78       * @return {void}
  79       */
  80      catAddAfter = function( r, s ) {
  81          $(s.what + ' response_data', r).each( function() {
  82              var t = $($(this).text());
  83              t.find( 'label' ).each( function() {
  84                  var th = $(this), val = th.find('input').val(), id = th.find('input')[0].id, name = $.trim( th.text() ), o;
  85                  $('#' + id).change( syncChecks );
  86                  o = $( '<option value="' +  parseInt( val, 10 ) + '"></option>' ).text( name );
  87              } );
  88          } );
  89      };
  90  
  91      /*
  92       * Instantiates the list manager.
  93       *
  94       * @see js/_enqueues/lib/lists.js
  95       */
  96      $('#categorychecklist').wpList( {
  97          // CSS class name for alternate styling.
  98          alt: '',
  99  
 100          // The type of list.
 101          what: 'link-category',
 102  
 103          // ID of the element the parsed Ajax response will be stored in.
 104          response: 'category-ajax-response',
 105  
 106          // Callback that's run after an item got added to the list.
 107          addAfter: catAddAfter
 108      } );
 109  
 110      // All categories is the default tab, so we delete the user setting.
 111      $('a[href="#categories-all"]').click(function(){deleteUserSetting('cats');});
 112  
 113      // Set a preference for the popular categories to cookies.
 114      $('a[href="#categories-pop"]').click(function(){setUserSetting('cats','pop');});
 115  
 116      if ( 'pop' == getUserSetting('cats') )
 117          $('a[href="#categories-pop"]').click();
 118  
 119      /**
 120       * Adds event handler that shows the interface controls to add a new category.
 121       *
 122       * @ignore
 123       *
 124       * @param {Event} event The event object.
 125       * @return {boolean} Always returns false to prevent regular link
 126       *                   functionality.
 127       */
 128      $('#category-add-toggle').click( function() {
 129          $(this).parents('div:first').toggleClass( 'wp-hidden-children' );
 130          $('#category-tabs a[href="#categories-all"]').click();
 131          $('#newcategory').focus();
 132          return false;
 133      } );
 134  
 135      $('.categorychecklist :checkbox').change( syncChecks ).filter( ':checked' ).change();
 136  });