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([
        ['18:05',null,null,null,90,'【90位】','90位'],
['19:10',null,null,null,90,null,null],
['19:40',null,null,null,94,'【94位】','94位'],
['20:45',null,null,null,94,null,null],
['21:50',null,null,null,94,null,null],
['22:50',null,null,null,97,'【97位】','97位'],
['23:55',null,null,null,97,null,null],
['01:00',null,null,null,97,null,null],
['01:20',null,null,null,76,'【76位】','76位'],
['02:25',null,null,null,76,null,null],
['03:30',null,null,null,76,null,null],
['04:35',null,null,null,76,null,null],
['04:50',null,null,null,67,'【67位】','67位'],
['05:55',null,null,null,67,null,null],
['07:00',null,null,null,67,null,null],
['07:35',null,null,null,69,'【69位】','69位'],
['08:40',null,null,null,69,null,null],
['09:45',null,null,null,69,null,null],
['10:50',null,null,null,69,null,null],
['10:55',null,null,null,73,'【73位】','73位'],
['12:00',null,null,null,73,null,null],
['13:05',null,null,null,73,null,null],
['13:50',null,null,null,83,'【83位】','83位'],
['14:55',null,null,null,83,null,null],
['16:00',null,null,null,83,null,null],
['16:50',null,null,null,92,'【92位】','92位'],
['17:55',null,null,null,92,null,null],
['18:00',null,null,null,92,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:57,max:100},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)
      }
    });
  }

});