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,148,151,148],
['2日',133,218,133,null],
['3日',214,230,null,null],
['4日',282,218,null,null],
['5日',278,218,null,null],
['6日',234,193,null,193],
['7日',223,null,null,144],
['8日',222,194,null,194],
['9日',230,231,null,null],
['10日',241,236,null,null],
['11日',178,212,178,null],
['12日',null,180,167,180],
['13日',179,222,179,null],
['14日',205,233,null,null],
['15日',185,270,185,null],
['16日',218,226,null,null],
['17日',256,251,null,null],
['18日',205,210,null,null],
['19日',210,160,null,160],
['20日',228,180,null,180],
['21日',220,null,null,null],
['22日',218,null,null,null],
['23日',237,null,null,null],
['24日',245,null,null,null],
['25日',235,null,null,null],
['26日',254,null,null,null],
['27日',283,null,null,null],
['28日',228,null,null,null],
['29日',239,null,null,null],
['30日',228,null,null,null],
['31日',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:'2024年5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=20 -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)
      }
    });
  }

});