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,289,null,null],
['2日',220,256,null,null],
['3日',223,286,null,null],
['4日',249,278,null,null],
['5日',283,131,null,131],
['6日',293,162,null,162],
['7日',307,208,null,null],
['8日',82,252,82,null],
['9日',null,214,125,null],
['10日',170,265,170,null],
['11日',218,286,null,null],
['12日',220,199,null,199],
['13日',239,239,null,null],
['14日',252,244,null,null],
['15日',201,274,null,null],
['16日',230,201,null,null],
['17日',244,225,null,null],
['18日',267,245,null,null],
['19日',224,230,null,null],
['20日',239,180,null,180],
['21日',246,219,null,null],
['22日',172,246,172,null],
['23日',173,225,173,null],
['24日',221,253,null,null],
['25日',246,286,null,null],
['26日',253,273,null,null],
['27日',283,309,null,null],
['28日',279,305,null,null],
['29日',255,321,null,null],
['30日',226,267,null,null],
['31日',258,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)
      }
    });
  }

});