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([
        ['20:55',318,'【318位】','318位',null,null,null],
['22:00',318,null,null,null,null,null],
['22:10',291,'【291位】','291位',null,null,null],
['22:25',292,null,null,null,null,null],
['22:40',289,'【289位】','289位',null,null,null],
['23:45',289,null,null,null,null,null],
['00:50',289,null,null,null,null,null],
['01:25',267,'【267位】','267位',null,null,null],
['01:40',266,null,null,null,null,null],
['02:45',266,null,null,null,null,null],
['03:50',266,null,null,null,null,null],
['04:25',262,'【262位】','262位',null,null,null],
['04:40',261,null,null,null,null,null],
['05:45',261,null,null,null,null,null],
['06:50',261,null,null,null,null,null],
['07:25',263,'【263位】','263位',null,null,null],
['08:30',263,null,null,null,null,null],
['09:35',263,null,null,null,null,null],
['10:25',268,'【268位】','268位',null,null,null],
['10:30',270,null,null,null,null,null],
['11:35',270,null,null,null,null,null],
['12:40',270,null,null,null,null,null],
['13:25',291,'【291位】','291位',null,null,null],
['13:30',292,null,null,null,null,null],
['14:35',292,null,null,null,null,null],
['15:40',292,null,null,null,null,null],
['16:20',287,'【287位】','287位',null,null,null],
['16:25',291,null,null,null,null,null],
['16:40',293,null,null,null,null,null],
['17:45',293,null,null,null,null,null],
['18:50',293,null,null,null,null,null],
['19:15',286,'【286位】','286位',null,null,null],
['19:25',292,null,null,null,null,null],
['20:30',292,null,null,null,null,null],
['20:50',292,null,null,null,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:251,max:350},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)
      }
    });
  }

});