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,292,176,null],
['2日',null,194,172,194],
['3日',197,203,197,null],
['4日',202,228,null,null],
['5日',193,247,193,null],
['6日',167,302,167,null],
['7日',208,215,null,null],
['8日',261,249,null,null],
['9日',237,176,null,176],
['10日',217,210,null,null],
['11日',266,220,null,null],
['12日',253,226,null,null],
['13日',231,279,null,null],
['14日',173,293,173,null],
['15日',212,284,null,null],
['16日',158,174,158,174],
['17日',175,212,175,null],
['18日',208,208,null,null],
['19日',244,258,null,null],
['20日',165,260,165,null],
['21日',null,232,127,null],
['22日',null,280,146,null],
['23日',null,261,151,null],
['24日',137,229,137,null],
['25日',221,249,null,null],
['26日',122,318,122,null],
['27日',175,343,175,null],
['28日',202,297,null,null],
['29日',234,260,null,null],
['30日',224,236,null,null],
['31日',227,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:350},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)
      }
    });
  }

});