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([
        ['21:20',null,null,null,39,'【39位】','39位'],
['22:25',null,null,null,39,null,null],
['22:40',null,null,null,44,'【44位】','44位'],
['23:45',null,null,null,44,null,null],
['00:50',null,null,null,44,null,null],
['01:25',null,null,null,49,'【49位】','49位'],
['02:30',null,null,null,49,null,null],
['03:35',null,null,null,49,null,null],
['04:40',null,null,null,50,'【50位】','50位'],
['05:45',null,null,null,50,null,null],
['06:50',null,null,null,50,null,null],
['07:25',null,null,null,48,'【48位】','48位'],
['08:30',null,null,null,48,null,null],
['09:35',null,null,null,48,null,null],
['10:40',null,null,null,48,null,null],
['11:45',null,null,null,48,null,null],
['12:50',null,null,null,48,null,null],
['13:40',null,null,null,42,'【42位】','42位'],
['14:45',null,null,null,42,null,null],
['15:50',null,null,null,42,null,null],
['16:40',null,null,null,39,'【39位】','39位'],
['17:45',null,null,null,39,null,null],
['18:50',null,null,null,39,null,null],
['19:45',null,null,null,40,'【40位】','40位'],
['20:50',null,null,null,40,null,null],
['21:15',null,null,null,40,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:29,max:50},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)
      }
    });
  }

});