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,null,128,158],
['2日',null,null,119,145],
['3日',null,null,100,174],
['4日',153,null,153,166],
['5日',223,null,null,129],
['6日',258,null,null,194],
['7日',197,191,197,191],
['8日',259,202,null,null],
['9日',213,260,null,null],
['10日',158,266,158,null],
['11日',204,247,null,null],
['12日',172,227,172,null],
['13日',null,205,105,null],
['14日',null,246,120,null],
['15日',null,124,142,124],
['16日',null,null,182,147],
['17日',156,165,156,165],
['18日',206,221,null,null],
['19日',173,null,173,null],
['20日',225,null,null,null],
['21日',167,null,167,null],
['22日',null,null,161,null],
['23日',null,null,188,null],
['24日',null,null,156,null],
['25日',null,null,163,null],
['26日',null,null,135,null],
['27日',null,null,197,null],
['28日',158,null,158,null],
['29日',202,null,null,null],
['30日',237,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=18 -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)
      }
    });
  }

});