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   1  /**
   2   * @provides javelin-behavior-differential-show-more
   3   * @requires javelin-behavior
   4   *           javelin-dom
   5   *           javelin-workflow
   6   *           javelin-util
   7   *           javelin-stratcom
   8   */
   9  
  10  JX.behavior('differential-show-more', function(config) {
  11  
  12    function onresponse(context, response) {
  13      var table = JX.$H(response.changeset).getNode();
  14      var root = context.parentNode;
  15      copyRows(root, table, context);
  16      root.removeChild(context);
  17    }
  18  
  19    JX.Stratcom.listen(
  20      'click',
  21      'show-more',
  22      function(e) {
  23        var event_data = {
  24          context :  e.getNodes()['context-target'],
  25          show : e.getNodes()['show-more']
  26        };
  27  
  28        JX.Stratcom.invoke('differential-reveal-context', null, event_data);
  29        e.kill();
  30      });
  31  
  32    JX.Stratcom.listen(
  33      'differential-reveal-context',
  34      null,
  35      function(e) {
  36        var context = e.getData().context;
  37        var data = JX.Stratcom.getData(e.getData().show);
  38  
  39        var container = JX.DOM.scry(context, 'td')[0];
  40        JX.DOM.setContent(container, 'Loading...');
  41        JX.DOM.alterClass(context, 'differential-show-more-loading', true);
  42  
  43        if (!data['whitespace']) {
  44          data['whitespace'] = config.whitespace;
  45        }
  46  
  47        new JX.Workflow(config.uri, data)
  48          .setHandler(JX.bind(null, onresponse, context))
  49          .start();
  50      });
  51  
  52  });
  53  
  54  function copyRows(dst, src, before) {
  55    var rows = JX.DOM.scry(src, 'tr');
  56    for (var ii = 0; ii < rows.length; ii++) {
  57  
  58      // Find the table this <tr /> belongs to. If it's a sub-table, like a
  59      // table in an inline comment, don't copy it.
  60      if (JX.DOM.findAbove(rows[ii], 'table') !== src) {
  61        continue;
  62      }
  63  
  64      if (before) {
  65        dst.insertBefore(rows[ii], before);
  66      } else {
  67        dst.appendChild(rows[ii]);
  68      }
  69    }
  70    return rows;
  71  }