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([
        ['16:50',845,'【845位】','845位',null,null,null],
['17:55',845,null,null,null,null,null],
['19:00',845,null,null,null,null,null],
['19:15',813,'【813位】','813位',null,null,null],
['19:20',814,null,null,null,null,null],
['19:30',813,null,null,null,null,null],
['20:35',813,null,null,null,null,null],
['21:40',813,null,null,null,null,null],
['22:15',809,'【809位】','809位',null,null,null],
['22:20',787,null,null,null,null,null],
['22:30',776,null,null,null,null,null],
['23:35',776,null,null,null,null,null],
['00:40',776,null,null,null,null,null],
['01:15',769,'【769位】','769位',null,null,null],
['01:20',767,null,null,null,null,null],
['01:35',768,null,null,null,null,null],
['02:40',768,null,null,null,null,null],
['03:45',768,null,null,null,null,null],
['04:15',772,'【772位】','772位',null,null,null],
['04:20',780,null,null,null,null,null],
['05:25',780,null,null,null,null,null],
['06:30',780,null,null,null,null,null],
['07:15',782,'【782位】','782位',null,null,null],
['07:20',784,null,null,null,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:757,max:900},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)
      }
    });
  }

});