www/js/list_onewire.js

/*****************************************************************************
 * Copyright (C) 2024
 *
 * Michiel Broek <mbroek at mbse dot eu>
 *
 * This file is part of mbsePi-apps
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * BrewCloud is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with ThermFerm; see the file COPYING.  If not, write to the Free
 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *****************************************************************************/


$(document).ready(function() {
 var dataRecord = {},
 source = {
  datatype: 'json',
  cache: false,
  datafields: [
   { name: 'address', type: 'string' },
   { name: 'family', type: 'string' },
   { name: 'value', type: 'int' },
   { name: 'present', type: 'string' },
   { name: 'timestamp', type: 'int' }
  ],
  id: 'address',
  url: 'getonewire.php'
 },
 dataAdapter = new $.jqx.dataAdapter(source),
 tzoffset = (new Date()).getTimezoneOffset() * 60000; //offset in milliseconds

 // initialize jqxGrid
 $('#jqxgrid').jqxGrid({
  width: 1280,
  height: 630,
  source: dataAdapter,
  theme: theme,
  showstatusbar: true,
  renderstatusbar: function(statusbar) {
   var rowCount = $("#jqxgrid").jqxGrid('getrows').length;
   statusbar.append('<div style="float: left; margin: 8px; color: orange !important;">Total items: ' + rowCount + '</div>');
   var container;
   container = $('<div style="overflow: hidden; position: relative; margin: 5px;"></div>');
   statusbar.append(container);
  },
  columns: [
   { text: 'Address', datafield: 'address' },
   { text: 'Family', datafield: 'family', width: 100 },
   { text: 'Present', datafield: 'present', width: 120 },
   { text: 'Value', datafield: 'value', width: 100 },
   { text: 'Last change', datafield: 'timestamp', width: 200,
     cellsrenderer: function(index, datafield, value, defaultvalue, column, rowdata) {
      var date = new Date((value * 1000) - tzoffset).toISOString().slice(0, 19).replace("T", " ");
      return '<span style="margin: 3px; margin-top: 6px; float: left;">' +  date + '</span>';
    }
   }
  ],
 });

 websocket.onmessage = function(evt) {
  var msg = evt.data;
  var obj = JSON.parse(msg);

  if (obj.ping) {
   websocket.send('{"pong":' + obj.ping + '}');
  }

  if (obj.type == 'onewire') {
   // Use the message to trigger update.
   $('#jqxgrid').jqxGrid('updatebounddata');
  }
 }
});