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([
        ['17:10',897,'【897位】','897位',null,null,null],
['18:15',897,null,null,null,null,null],
['19:10',896,'【896位】','896位',null,null,null],
['19:20',904,null,null,null,null,null],
['19:25',899,null,null,null,null,null],
['19:30',970,null,null,null,null,null],
['19:35',968,'【968位】','968位',null,null,null],
['20:40',968,null,null,null,null,null],
['21:45',968,null,null,null,null,null],
['22:20',940,'【940位】','940位',null,null,null],
['22:40',937,null,null,null,null,null],
['23:45',937,null,null,null,null,null],
['00:50',937,null,null,null,null,null],
['01:20',997,'【997位】','997位',null,null,null],
['02:25',997,null,null,null,null,null],
['03:30',997,null,null,null,null,null],
['04:15',997,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:886,max:1000},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)
      }
    });
  }

});