zoneminder/web/skins/classic/views/js/frames.js

function thumbnail_onmouseover(event) {
  var img = event.target;
  img.src = '';
  img.src = img.getAttribute('full_img_src');
}

function thumbnail_onmouseout(event) {
  var img = event.target;
  img.src = '';
  img.src = img.getAttribute('img_src');
}

function initThumbAnimation() {
  $j('.colThumbnail img').each(function() {
    this.addEventListener('mouseover', thumbnail_onmouseover, false);
    this.addEventListener('mouseout', thumbnail_onmouseout, false);
  });
}

function processClicks(event, field, value, row, $element) {
  if ( field == 'FramesScore' ) {
    if ( value > 0 ) {
      window.location.assign('?view=stats&eid='+row.EventId+'&fid='+row.FramesId);
    } else {
      alert("No statistics available");
    }
  } else {
    window.location.assign('?view=frame&eid='+row.EventId+'&fid='+row.FramesId);
  }
}

function detailFormatter(index, row, element) {
  return $j(element).html($j('#contentStatsTable'+index).clone(true).show());
}

function initPage() {
  var backBtn = $j('#backBtn');
  var table = $j('#framesTable');

  // Define the icons used in the bootstrap-table top-right toolbar
  var icons = {
    paginationSwitchDown: 'fa-caret-square-o-down',
    paginationSwitchUp: 'fa-caret-square-o-up',
    export: 'fa-download',
    refresh: 'fa-sync',
    toggleOff: 'fa-toggle-off',
    toggleOn: 'fa-toggle-on',
    columns: 'fa-th-list',
    fullscreen: 'fa-arrows-alt',
    detailOpen: 'fa-plus',
    detailClose: 'fa-minus'
  };

  // Init the bootstrap-table
  table.bootstrapTable('destroy').bootstrapTable({icons: icons});

  // Hide these columns on first run when no cookie is saved
  if ( !getCookie("zmFramesTable.bs.table.columns") ) {
    table.bootstrapTable('hideColumn', 'FrameId');
  }

  // Hide the stats tables on init
  $j(".contentStatsTable").hide();

  // Disable the back button if there is nothing to go back to
  backBtn.prop('disabled', !document.referrer.length);

  // Setup the thumbnail animation
  initThumbAnimation();

  // Some toolbar events break the thumbnail animation, so re-init eventlistener
  table.on('all.bs.table', initThumbAnimation);

  // Load the associated frame image when the user clicks on a row
  table.on('click-cell.bs.table', processClicks);

  // Manage the BACK button
  document.getElementById("backBtn").addEventListener("click", function onBackClick(evt) {
    evt.preventDefault();
    window.history.back();
  });
  // Manage the REFRESH Button
  document.getElementById("refreshBtn").addEventListener("click", function onRefreshClick(evt) {
    evt.preventDefault();
    window.location.reload(true);
  });
}

$j(document).ready(function() {
  initPage();
});