The Pager module for DrupalGap 8.

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• Updated: 2024-11-15

dg_pager

The Pager module for DrupalGap 8 allows developers to add paging to their widgets. Create lists of items that can easily be paged through, or infinitely scrolled through.

REST Response

Your REST response must follow this format for the pager to work properly:

{
  results: [ /* your result(s) from Drupal */ ],
  page: 0,
  pages: 3,
  count: 38,
  limit: 16
}

var html = dg.render({

  _theme: 'pager',
  _infinite: true,
  _attributes: {
     id: 'my-container-id'
  },

  _fetcher: function(query) {

     // Query for the data and then resolve.
     return new Promise(function(ok, err) {

       foo.callDrupal().then(ok);

     });
  },

  _wrapperId: 'my-wrapper-id',
  _wrapper: function(rows) {
    return {
       _theme: 'container',
       _attributes: {
         id: 'my-wrapper-id',
         class: ['row']
       },
       _children: rows
     };
  },

  _display: function(row) {

     return {
       _text: {
         _markup: '...',

         /* ... OR ... */

         _theme: 'foo',
       }
     };

  },

  _empty: function() {
    return '<p>' + dg.t('No content found.') + '</p>';
  },

  _done: function() {

    // Do something once each row is done rendering...

  }

});

Infinite Scrolling

When using the _infinite property, you can additionally attach an _infiniteOps object to add options for the infinite scroll widget:

 _infinite: true,
 _infiniteOps: {
   trimFromTop: true,
   pagesAllowed: 32
 }

See class.pager.js for full details about _infiniteOps.