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,306,'UP!','第1章Part3-4ステップアップガシャ-: 12/01 → 12/03',256,null,null],
['2日',null,null,null,null,null,null,304,null,null,222,null,null],
['3日',null,null,null,null,null,null,375,null,null,230,null,null],
['4日',null,null,null,null,null,null,363,null,null,223,null,null],
['5日',null,null,null,null,null,null,457,'UP!','人と、人ならざる者たち-4ステップアップガシャ-: 12/05 → 12/07',243,null,null],
['6日',null,null,null,null,null,null,247,null,null,257,null,null],
['7日',null,null,null,null,null,null,244,null,null,242,null,null],
['8日',null,null,null,null,null,null,313,null,null,281,null,null],
['9日',null,null,null,null,null,null,415,null,null,226,null,null],
['10日',null,null,null,null,null,null,465,null,null,272,null,null],
['11日',null,null,null,null,null,null,155,null,null,358,null,null],
['12日',null,null,null,null,null,null,184,null,null,374,null,null],
['13日',null,null,null,null,null,null,285,null,null,364,null,null],
['14日',null,null,null,null,null,null,142,'UP!','人と、人ならざる者たち2-4ステップアップガシャ-: 12/14 → 12/16',359,null,null],
['15日',null,null,null,null,null,null,166,null,null,469,null,null],
['16日',null,null,null,null,null,null,228,null,null,214,'UP!','勇気をその身に宿して-ピックアップガシャ-: 01/16 → 01/18'],
['17日',null,null,null,null,null,null,298,null,null,307,null,null],
['18日',null,null,null,null,null,null,363,null,null,434,null,null],
['19日',null,null,null,null,null,null,382,null,null,493,null,null],
['20日',null,null,null,null,null,null,458,null,null,437,null,null],
['21日',null,null,null,null,null,null,112,'UP!','クリスマス-4ステップアップガシャ-: 12/21 → 12/23',490,null,null],
['22日',null,null,null,null,null,null,106,null,null,800,null,null],
['23日',null,null,null,null,null,null,160,null,null,234,null,null],
['24日',null,null,null,null,null,null,213,null,null,268,null,null],
['25日',null,null,null,null,null,null,251,null,null,268,null,null],
['26日',null,null,null,null,null,null,277,null,null,293,null,null],
['27日',null,null,null,null,null,null,148,'UP!','ワールド５-4ステップアップガシャ-: 12/27 → 12/29',348,null,null],
['28日',null,null,null,null,null,null,159,null,null,389,null,null],
['29日',null,null,null,null,null,null,180,null,null,408,null,null],
['30日',null,null,null,null,null,null,206,null,null,288,null,null],
['31日',null,null,null,null,null,null,177,null,null,261,'UP!','ゼロ・アンド・ブルー-ピックアップガシャ-: 01/31 → 02/02']
        ]);
  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1月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:900},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=31 -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)
      }
    });
  }

});