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('number', '推測');
       data.addColumn('number', 'iOS前月');
       data.addColumn('number', 'iOS当月');
       data.addRows([
        ['1日',null,236,157,null],
['2日',null,232,179,null],
['3日',null,222,198,null],
['4日',null,258,144,null],
['5日',172,173,172,173],
['6日',216,146,null,146],
['7日',158,207,158,null],
['8日',null,214,167,null],
['9日',170,207,170,null],
['10日',212,217,null,null],
['11日',208,210,null,null],
['12日',218,151,null,151],
['13日',205,null,null,176],
['14日',243,191,null,191],
['15日',158,209,158,null],
['16日',211,207,null,null],
['17日',230,222,null,null],
['18日',228,202,null,null],
['19日',235,221,null,null],
['20日',217,182,null,182],
['21日',251,220,null,null],
['22日',139,211,139,null],
['23日',null,224,166,null],
['24日',null,218,173,null],
['25日',null,237,188,null],
['26日',null,201,164,null],
['27日',null,203,195,null],
['28日',195,209,195,null],
['29日',219,209,null,null],
['30日',230,196,null,196],
['31日',236,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:'2024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=4;

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

});