google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS総合');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['18:20',null,null,null,156,'【156位】','156位'],
['19:25',null,null,null,156,null,null],
['19:45',null,null,null,158,'【158位】','158位'],
['20:50',null,null,null,158,null,null],
['21:55',null,null,null,158,null,null],
['22:20',null,null,null,168,'【168位】','168位'],
['23:25',null,null,null,168,null,null],
['00:30',null,null,null,168,null,null],
['01:20',null,null,null,178,'【178位】','178位'],
['02:25',null,null,null,178,null,null],
['03:30',null,null,null,178,null,null],
['04:30',null,null,null,179,'【179位】','179位'],
['05:35',null,null,null,179,null,null],
['06:40',null,null,null,179,null,null],
['07:30',null,null,null,174,'【174位】','174位'],
['08:35',null,null,null,174,null,null],
['09:40',null,null,null,174,null,null],
['10:45',null,null,null,169,'【169位】','169位'],
['11:50',null,null,null,169,null,null],
['12:55',null,null,null,169,null,null],
['13:30',null,null,null,162,'【162位】','162位'],
['14:35',null,null,null,162,null,null],
['15:40',null,null,null,162,null,null],
['16:15',null,null,null,153,'【153位】','153位'],
['17:20',null,null,null,153,null,null],
['18:15',null,null,null,153,null,null]
        ]);
  var options = {
    chartArea: {'width':'90%', 'height':'65%', 'left':40 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { format:'#',viewWindow:{min:143,max:200},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['pink','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=0 -1 ;
  var lastlogcat=6;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});