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', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,null,null,null,82,null,null,95,'UP!','コトダメンしょうかん: 04/01 → 04/05'],
['2日',null,null,null,null,null,null,82,null,null,180,null,null],
['3日',null,null,null,null,null,null,226,null,null,164,null,null],
['4日',null,null,null,null,null,null,148,null,null,117,null,null],
['5日',null,null,null,null,null,null,148,'UP!','コラボしょうかん「予告状」: 03/05 → 03/28',164,'UP!','神々の系譜しょうかん: 04/05 → 04/16'],
['6日',null,null,null,null,null,null,204,null,null,211,null,null],
['7日',null,null,null,null,null,null,240,null,null,154,null,null],
['8日',null,null,null,null,null,null,46,null,null,176,null,null],
['9日',null,null,null,null,null,null,79,null,null,204,null,null],
['10日',null,null,null,null,null,null,94,null,null,307,null,null],
['11日',null,null,null,null,null,null,150,'UP!','ホワイトデーしょうかん: 03/11 → 03/15',338,null,null],
['12日',null,null,null,null,null,null,173,null,null,null,'UP!','記念しょうかん復刻: 04/12 → 04/16'],
['13日',null,null,null,null,null,null,74,null,null,null,null,null],
['14日',null,null,null,null,null,null,135,null,null,377,null,null],
['15日',null,null,null,null,null,null,66,'UP!','超裏・言霊祭しょうかん: 03/15 → 03/19',365,null,null],
['16日',null,null,null,null,null,null,200,null,null,367,'UP!','1周年記念言霊祭しょうかん: 04/16 → 04/24'],
['17日',null,null,null,null,null,null,69,null,null,365,null,null],
['18日',null,null,null,null,null,null,66,null,null,25,null,null],
['19日',null,null,null,null,null,null,147,null,null,33,null,null],
['20日',null,null,null,null,null,null,178,'UP!','言卓の騎士しょうかん: 03/20 → 03/28',41,null,null],
['21日',null,null,null,null,null,null,158,null,null,70,null,null],
['22日',null,null,null,null,null,null,138,null,null,79,null,null],
['23日',null,null,null,null,null,null,147,null,null,82,null,null],
['24日',null,null,null,null,null,null,294,null,null,67,'UP!','エヴァンゲリオンコラボしょうかん: 04/24 → 05/16'],
['25日',null,null,null,null,null,null,252,null,null,35,null,null],
['26日',null,null,null,null,null,null,327,null,null,29,null,null],
['27日',null,null,null,null,null,null,332,null,null,56,null,null],
['28日',null,null,null,null,null,null,241,'UP!','超・言霊祭しょうかん: 03/28 → 04/01',76,null,null],
['29日',null,null,null,null,null,null,178,null,null,135,'UP!','真・言霊祭しょうかん: 04/29 → 05/03'],
['30日',null,null,null,null,null,null,95,null,null,152,null,null],
['31日',null,null,null,null,null,null,59,null,null,null,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2019年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:400},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=30 -1 ;
  var lastlogcat=10;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});