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,197,null,null,101,'UP!','LOVEキュンコトダマスターズ2召喚: 04/01 → 04/05'],
['2日',null,null,null,null,null,null,207,null,null,103,null,null],
['3日',null,null,null,null,null,null,238,'UP!','まどか☆マギカ召喚: 03/03 → 03/17',119,'UP!','銀魂召喚: 04/03 → 04/16'],
['4日',null,null,null,null,null,null,36,null,null,35,null,null],
['5日',null,null,null,null,null,null,46,null,null,48,null,null],
['6日',null,null,null,null,null,null,65,null,null,79,null,null],
['7日',null,null,null,null,null,null,111,null,null,127,null,null],
['8日',null,null,null,null,null,null,155,null,null,124,null,null],
['9日',null,null,null,null,null,null,187,null,null,142,null,null],
['10日',null,null,null,null,null,null,213,null,null,189,null,null],
['11日',null,null,null,null,null,null,206,'UP!','ホワイトデー召喚2020: 03/11 → 03/15',123,null,null],
['12日',null,null,null,null,null,null,107,null,null,151,null,null],
['13日',null,null,null,null,null,null,154,null,null,193,null,null],
['14日',null,null,null,null,null,null,202,null,null,225,null,null],
['15日',null,null,null,null,null,null,203,null,null,223,null,null],
['16日',null,null,null,null,null,null,205,null,null,185,'UP!','2周年記念言霊祭召喚: 04/16 → 04/20'],
['17日',null,null,null,null,null,null,277,'UP!','極・言霊祭召喚: 03/17 → 03/21',23,null,null],
['18日',null,null,null,null,null,null,27,null,null,18,null,null],
['19日',null,null,null,null,null,null,41,null,null,21,null,null],
['20日',null,null,null,null,null,null,71,null,null,22,null,null],
['21日',null,null,null,null,null,null,108,'UP!','ハメツとゼツボウ編攻略 言霊祭: 03/21 → 03/24',26,null,null],
['22日',null,null,null,null,null,null,80,null,null,52,null,null],
['23日',null,null,null,null,null,null,88,null,null,92,'UP!','新世代の精鋭召喚: 04/23 → 05/02'],
['24日',null,null,null,null,null,null,124,'UP!','邪神器召喚: 03/24 → 03/30',72,null,null],
['25日',null,null,null,null,null,null,47,null,null,101,null,null],
['26日',null,null,null,null,null,null,88,null,null,86,null,null],
['27日',null,null,null,null,null,null,148,null,null,109,null,null],
['28日',null,null,null,null,null,null,219,null,null,138,'UP!','真・言霊祭召喚: 04/28 → 05/02'],
['29日',null,null,null,null,null,null,252,null,null,65,null,null],
['30日',null,null,null,null,null,null,281,'UP!','真・言霊祭召喚: 03/30 → 04/03',91,null,null],
['31日',null,null,null,null,null,null,74,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:'2020年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:300},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)
      }
    });
  }

});