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,42,'【42位】','42位'],
['22:25',null,null,null,46,'【46位】','46位'],
['23:30',null,null,null,46,null,null],
['00:35',null,null,null,46,null,null],
['01:40',null,null,null,46,null,null],
['02:45',null,null,null,46,null,null],
['03:50',null,null,null,46,null,null],
['04:55',null,null,null,46,null,null],
['06:00',null,null,null,46,null,null],
['07:05',null,null,null,46,null,null],
['08:10',null,null,null,46,null,null],
['09:15',null,null,null,46,null,null],
['09:20',null,null,null,44,'【44位】','44位'],
['10:25',null,null,null,44,null,null],
['11:30',null,null,null,44,null,null],
['12:35',null,null,null,44,null,null],
['13:30',null,null,null,39,'【39位】','39位'],
['14:35',null,null,null,39,null,null],
['15:40',null,null,null,39,null,null],
['16:30',null,null,null,34,'【34位】','34位'],
['17:35',null,null,null,34,null,null],
['18:40',null,null,null,34,null,null],
['19:45',null,null,null,33,'【33位】','33位'],
['20:50',null,null,null,33,null,null],
['21:15',null,null,null,33,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:23,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)
      }
    });
  }

});