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,262,null,null],
['2日',141,254,141,null],
['3日',147,107,147,107],
['4日',226,null,null,104],
['5日',155,null,155,188],
['6日',null,null,129,175],
['7日',null,141,178,141],
['8日',138,202,138,null],
['9日',210,155,null,155],
['10日',204,null,null,151],
['11日',236,167,null,167],
['12日',252,211,null,null],
['13日',237,258,null,null],
['14日',205,179,null,179],
['15日',175,218,175,null],
['16日',101,219,101,null],
['17日',202,201,null,null],
['18日',296,265,null,null],
['19日',221,231,null,null],
['20日',199,219,199,null],
['21日',null,244,115,null],
['22日',161,274,161,null],
['23日',271,226,null,null],
['24日',235,360,null,null],
['25日',211,446,null,null],
['26日',244,292,null,null],
['27日',250,182,null,182],
['28日',280,296,null,null],
['29日',344,212,null,null],
['30日',355,252,null,null],
['31日',298,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:500},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=2;

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

});