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([
        ['20:45',255,'【255位】','255位',null,null,null],
['21:50',255,null,null,null,null,null],
['22:15',257,'【257位】','257位',null,null,null],
['23:20',257,null,null,null,null,null],
['00:25',257,null,null,null,null,null],
['01:15',246,'【246位】','246位',null,null,null],
['01:30',242,null,null,null,null,null],
['02:35',242,null,null,null,null,null],
['03:40',242,null,null,null,null,null],
['04:15',250,'【250位】','250位',null,null,null],
['04:30',249,null,null,null,null,null],
['05:35',249,null,null,null,null,null],
['06:40',249,null,null,null,null,null],
['07:30',256,'【256位】','256位',null,null,null],
['08:35',256,null,null,null,null,null],
['09:40',256,null,null,null,null,null],
['10:30',247,'【247位】','247位',null,null,null],
['11:35',247,null,null,null,null,null],
['12:40',247,null,null,null,null,null],
['13:20',250,'【250位】','250位',null,null,null],
['14:25',250,null,null,null,null,null],
['15:30',250,null,null,null,null,null],
['16:15',271,'【271位】','271位',null,null,null],
['17:20',271,null,null,null,null,null],
['18:25',271,null,null,null,null,null],
['19:15',282,'【282位】','282位',null,null,null],
['20:20',282,null,null,null,null,null],
['20:40',282,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:232,max:300},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)
      }
    });
  }

});