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',702,null,null,477,null,null,null,null,null,null,null,null],
['2日',576,null,null,458,null,null,null,null,null,null,null,null],
['3日',661,null,null,506,null,null,null,null,null,null,null,null],
['4日',663,null,null,543,null,null,null,null,null,null,null,null],
['5日',773,null,null,533,null,null,null,null,null,null,null,null],
['6日',700,null,null,646,null,null,null,null,null,null,null,null],
['7日',656,null,null,688,'UP!','シュガーポケッツピックアップ召喚: 04/07 → 04/14',null,null,null,null,null,null],
['8日',662,null,null,550,null,null,null,null,null,null,null,null],
['9日',775,null,null,722,null,null,null,null,null,null,null,null],
['10日',865,null,null,926,null,null,null,null,null,null,null,null],
['11日',765,null,null,689,null,null,null,null,null,null,null,null],
['12日',825,null,null,823,null,null,null,null,null,null,null,null],
['13日',764,null,null,794,null,null,null,null,null,null,null,null],
['14日',865,null,null,729,'UP!','桜召喚 前編: 04/14 → 05/13',null,null,null,null,null,null],
['15日',718,'UP!','ホワイトデー魔女召喚: 03/15 → 03/21',644,null,null,null,null,null,null,null,null],
['16日',772,null,null,534,null,null,null,null,null,null,null,null],
['17日',null,null,null,608,null,null,null,null,null,null,null,null],
['18日',null,null,null,566,null,null,null,null,null,null,null,null],
['19日',675,null,null,593,null,null,null,null,null,null,null,null],
['20日',603,null,null,576,null,null,null,null,null,null,null,null],
['21日',619,'UP!','伝説召喚 (クロエ): 03/21 → 03/28',626,null,null,null,null,null,null,null,null],
['22日',283,null,null,697,null,null,null,null,null,null,null,null],
['23日',333,null,null,644,null,null,null,null,null,null,null,null],
['24日',456,null,null,650,null,null,null,null,null,null,null,null],
['25日',508,null,null,640,null,null,null,null,null,null,null,null],
['26日',528,null,null,675,'UP!','桜召喚 後編: 04/26 → 05/13',null,null,null,null,null,null],
['27日',513,null,null,586,null,null,null,null,null,null,null,null],
['28日',508,'UP!','伝説召喚 (エリザ): 03/28 → 04/04',524,null,null,null,null,null,null,null,null],
['29日',240,null,null,622,'UP!','伝説召喚 (クロエ): 04/29 → 05/06',null,null,null,null,null,null],
['30日',310,null,null,484,null,null,null,null,null,null,null,null],
['31日',388,null,null,null,null,null,null,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:'2022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=4;

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

});