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,349,'UP!','【復刻開催2019】彼をご指名 キケンな夜と甘い誘惑: 03/01 → 03/06',143,'UP!','都築京介BD 2019: 04/01 → 04/01'],
['2日',null,null,null,null,null,null,349,null,null,156,null,null],
['3日',null,null,null,null,null,null,77,'UP!','槙慶太BD 2019: 03/03 → 03/03',260,null,null],
['4日',null,null,null,null,null,null,66,null,null,181,'UP!','スタマイUSA: 04/04 → 04/12'],
['5日',null,null,null,null,null,null,66,null,null,260,null,null],
['6日',null,null,null,null,null,null,70,'UP!','Midnight Blueを纏って: 03/06 → 03/15',96,null,null],
['7日',null,null,null,null,null,null,103,null,null,134,null,null],
['8日',null,null,null,null,null,null,40,null,null,108,null,null],
['9日',null,null,null,null,null,null,56,null,null,124,null,null],
['10日',null,null,null,null,null,null,96,null,null,206,null,null],
['11日',null,null,null,null,null,null,83,null,null,225,null,null],
['12日',null,null,null,null,null,null,121,null,null,267,'UP!','フェイクドクターズの正体: 04/12 → 04/22'],
['13日',null,null,null,null,null,null,151,null,null,313,null,null],
['14日',null,null,null,null,null,null,195,'UP!','可愛ひかるBD 2019: 03/14 → 03/14',122,null,null],
['15日',null,null,null,null,null,null,354,null,null,198,null,null],
['16日',null,null,null,null,null,null,232,null,null,156,null,null],
['17日',null,null,null,null,null,null,260,null,null,198,null,null],
['18日',null,null,null,null,null,null,354,null,null,295,null,null],
['19日',null,null,null,null,null,null,386,null,null,278,'UP!','夏目春BD 2019: 04/19 → 04/19'],
['20日',null,null,null,null,null,null,null,'UP!','恋する乙女探偵: 03/20 → 03/29',297,null,null],
['21日',null,null,null,null,null,null,null,null,null,210,null,null],
['22日',null,null,null,null,null,null,null,null,null,311,null,null],
['23日',null,null,null,null,null,null,288,null,null,null,null,null],
['24日',null,null,null,null,null,null,299,null,null,120,null,null],
['25日',null,null,null,null,null,null,396,null,null,289,null,null],
['26日',null,null,null,null,null,null,333,null,null,240,'UP!','もし、神様があなたと出会ったら: 04/26 → 05/07'],
['27日',null,null,null,null,null,null,335,null,null,292,null,null],
['28日',null,null,null,null,null,null,353,null,null,323,null,null],
['29日',null,null,null,null,null,null,224,'UP!','【復刻開催2019】今日からアナタはマネージャー: 03/29 → 04/03',189,null,null],
['30日',null,null,null,null,null,null,143,null,null,201,null,null],
['31日',null,null,null,null,null,null,267,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)
      }
    });
  }

});