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([
        ['17:20',null,null,null,75,'【75位】','75位'],
['18:25',null,null,null,75,null,null],
['19:30',null,null,null,75,null,null],
['19:45',null,null,null,77,'【77位】','77位'],
['20:50',null,null,null,77,null,null],
['21:55',null,null,null,77,null,null],
['22:20',null,null,null,79,'【79位】','79位'],
['23:25',null,null,null,79,null,null],
['00:30',null,null,null,79,null,null],
['01:20',null,null,null,75,'【75位】','75位'],
['02:25',null,null,null,75,null,null],
['03:30',null,null,null,75,null,null],
['04:30',null,null,null,77,'【77位】','77位'],
['05:35',null,null,null,77,null,null],
['06:40',null,null,null,77,null,null],
['07:45',null,null,null,77,null,null],
['08:50',null,null,null,77,null,null],
['09:55',null,null,null,77,null,null],
['10:45',null,null,null,78,'【78位】','78位'],
['11:50',null,null,null,78,null,null],
['12:55',null,null,null,78,null,null],
['13:30',null,null,null,84,'【84位】','84位'],
['14:35',null,null,null,84,null,null],
['15:40',null,null,null,84,null,null],
['16:15',null,null,null,89,'【89位】','89位'],
['17:15',null,null,null,89,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:65,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)
      }
    });
  }

});