wp-admin/js/accordion.js

   1 /**
   2  * Accordion-folding functionality.
   3  *
   4  * Markup with the appropriate classes will be automatically hidden,
   5  * with one section opening at a time when its title is clicked.
   6  * Use the following markup structure for accordion behavior:
   7  *
   8  * <div class="accordion-container">
   9  *      <div class="accordion-section open">
  10  *              <h3 class="accordion-section-title"></h3>
  11  *              <div class="accordion-section-content">
  12  *              </div>
  13  *      </div>
  14  *      <div class="accordion-section">
  15  *              <h3 class="accordion-section-title"></h3>
  16  *              <div class="accordion-section-content">
  17  *              </div>
  18  *      </div>
  19  *      <div class="accordion-section">
  20  *              <h3 class="accordion-section-title"></h3>
  21  *              <div class="accordion-section-content">
  22  *              </div>
  23  *      </div>
  24  * </div>
  25  *
  26  * Note that any appropriate tags may be used, as long as the above classes are present.
  27  *
  28  * @since 3.6.0.
  29  */
  30
  31 ( function( $ ){
  32
  33         $( document ).ready( function () {
  34
  35                 // Expand/Collapse accordion sections on click.
  36                 $( '.accordion-container' ).on( 'click keydown', '.accordion-section-title', function( e ) {
  37                         if ( e.type === 'keydown' && 13 !== e.which ) { // "return" key
  38                                 return;
  39                         }
  40
  41                         e.preventDefault(); // Keep this AFTER the key filter above
  42
  43                         accordionSwitch( $( this ) );
  44                 });
  45
  46         });
  47
  48         /**
  49          * Close the current accordion section and open a new one.
  50          *
  51          * @param {Object} el Title element of the accordion section to toggle.
  52          * @since 3.6.0
  53          */
  54         function accordionSwitch ( el ) {
  55                 var section = el.closest( '.accordion-section' ),
  56                         siblings = section.closest( '.accordion-container' ).find( '.open' ),
  57                         content = section.find( '.accordion-section-content' );
  58
  59                 // This section has no content and cannot be expanded.
  60                 if ( section.hasClass( 'cannot-expand' ) ) {
  61                         return;
  62                 }
  63
  64                 if ( section.hasClass( 'open' ) ) {
  65                         section.toggleClass( 'open' );
  66                         content.toggle( true ).slideToggle( 150 );
  67                 } else {
  68                         siblings.removeClass( 'open' );
  69                         siblings.find( '.accordion-section-content' ).show().slideUp( 150 );
  70                         content.toggle( false ).slideToggle( 150 );
  71                         section.toggleClass( 'open' );
  72                 }
  73         }
  74
  75 })(jQuery);