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,324,124,null],
['2日',null,185,117,185],
['3日',null,288,142,null],
['4日',null,283,181,null],
['5日',null,139,148,139],
['6日',null,231,191,null],
['7日',null,252,146,null],
['8日',null,283,25,null],
['9日',null,175,40,175],
['10日',120,246,120,null],
['11日',217,94,null,94],
['12日',87,139,87,139],
['13日',143,222,143,null],
['14日',217,353,null,null],
['15日',79,216,79,null],
['16日',173,110,173,110],
['17日',283,243,null,null],
['18日',340,215,null,null],
['19日',75,121,75,121],
['20日',194,null,194,90],
['21日',221,133,null,133],
['22日',83,217,83,null],
['23日',114,142,114,142],
['24日',208,215,null,null],
['25日',328,283,null,null],
['26日',222,212,null,null],
['27日',297,272,null,null],
['28日',421,338,null,null],
['29日',208,378,null,null],
['30日',225,248,null,null],
['31日',264,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)
      }
    });
  }

});