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,540,'EV','思いを秘めた贈り物〜勇次郎と愛蔵のホワイトデー〜【ストーリーイベント】: 03/01 → 03/09',659,'EV','桜の花に願いを込めて〜春カップルのお花見デート〜【ストーリーイベント】: 04/01 → 04/08'],
['2日',null,null,null,null,null,null,155,null,null,424,null,null],
['3日',null,null,null,null,null,null,165,null,null,446,null,null],
['4日',null,null,null,null,null,null,187,null,null,477,null,null],
['5日',null,null,null,null,null,null,209,null,null,580,'UP!','芹沢春輝 誕生日記念ガチャ: 04/05 → 04/05'],
['6日',null,null,null,null,null,null,270,null,null,720,null,null],
['7日',null,null,null,null,null,null,278,null,null,680,null,null],
['8日',null,null,null,null,null,null,281,null,null,888,null,null],
['9日',null,null,null,null,null,null,303,null,null,730,'EV','第7回ハニプレ009【パネルイベント】: 04/09 → 04/16'],
['10日',null,null,null,null,null,null,378,'UP!','MVセレクション〜イロドレ〜: 03/10 → 03/25',645,null,null],
['11日',null,null,null,null,null,null,297,null,null,742,null,null],
['12日',null,null,null,null,null,null,304,null,null,585,null,null],
['13日',null,null,null,null,null,null,361,null,null,604,null,null],
['14日',null,null,null,null,null,null,402,null,null,849,null,null],
['15日',null,null,null,null,null,null,364,'EV','君たちへ贈るエール〜ひよりと教育実習生の課外授業〜【ストーリーイベント】: 03/15 → 03/23',null,'UP!','聖奈&翠 Precious Story 追加記念ガチャ: 04/15 → 04/15'],
['16日',null,null,null,null,null,null,135,null,null,null,'UP!','クマ丸イチ推しガチャ: 04/16 → 05/01'],
['17日',null,null,null,null,null,null,143,null,null,778,null,null],
['18日',null,null,null,null,null,null,284,null,null,822,null,null],
['19日',null,null,null,null,null,null,401,null,null,null,null,null],
['20日',null,null,null,null,null,null,576,'UP!','合田美桜 誕生日記念ガチャ: 03/20 → 03/20',null,null,null],
['21日',null,null,null,null,null,null,566,null,null,null,'EV','第8回ハニプレ009【パネルイベント】: 04/21 → 04/27'],
['22日',null,null,null,null,null,null,597,null,null,912,null,null],
['23日',null,null,null,null,null,null,664,null,null,967,null,null],
['24日',null,null,null,null,null,null,702,'EV',' 第6回ハニプレ009【パネルイベント】: 03/24 → 03/31',null,'UP!','成海萌奈 誕生日記念ガチャ: 04/24 → 04/24'],
['25日',null,null,null,null,null,null,414,null,null,879,null,null],
['26日',null,null,null,null,null,null,433,null,null,997,null,null],
['27日',null,null,null,null,null,null,589,null,null,null,null,null],
['28日',null,null,null,null,null,null,754,null,null,null,null,null],
['29日',null,null,null,null,null,null,959,null,null,714,null,null],
['30日',null,null,null,null,null,null,765,null,null,603,null,null],
['31日',null,null,null,null,null,null,680,'UP!','涼海ひより 誕生日記念ガチャ: 03/31 → 03/31',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:'2021年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:1000},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)
      }
    });
  }

});