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([
        ['22:30',null,null,null,35,'【35位】','35位'],
['22:40',null,null,null,22,null,null],
['23:45',null,null,null,22,null,null],
['00:50',null,null,null,22,null,null],
['01:25',null,null,null,17,'【17位】','17位'],
['02:30',null,null,null,17,null,null],
['03:35',null,null,null,17,null,null],
['04:40',null,null,null,16,'【16位】','16位'],
['05:45',null,null,null,16,null,null],
['06:50',null,null,null,16,null,null],
['07:55',null,null,null,16,null,null],
['09:00',null,null,null,16,null,null],
['10:05',null,null,null,16,null,null],
['11:10',null,null,null,16,null,null],
['12:15',null,null,null,16,null,null],
['13:20',null,null,null,16,null,null],
['13:40',null,null,null,19,'【19位】','19位'],
['14:45',null,null,null,19,null,null],
['15:50',null,null,null,19,null,null],
['16:40',null,null,null,23,'【23位】','23位'],
['17:45',null,null,null,23,null,null],
['18:50',null,null,null,23,null,null],
['19:55',null,null,null,23,null,null],
['21:00',null,null,null,23,null,null],
['22:05',null,null,null,23,null,null],
['22:25',null,null,null,25,'【25位】','25位']
        ]);
  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:6,max:40},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)
      }
    });
  }

});