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,226,null,null],
['2日',null,214,null,null],
['3日',145,214,145,null],
['4日',206,227,null,null],
['5日',204,234,null,null],
['6日',122,255,122,null],
['7日',123,217,123,null],
['8日',207,241,null,null],
['9日',150,227,150,null],
['10日',222,229,null,null],
['11日',255,248,null,null],
['12日',249,231,null,null],
['13日',243,214,null,null],
['14日',300,227,null,null],
['15日',233,278,null,null],
['16日',245,248,null,null],
['17日',321,157,null,157],
['18日',321,209,null,null],
['19日',223,208,null,null],
['20日',140,219,140,null],
['21日',219,240,null,null],
['22日',210,213,null,null],
['23日',205,253,null,null],
['24日',165,261,165,null],
['25日',195,314,195,null],
['26日',217,280,null,null],
['27日',207,232,null,null],
['28日',213,274,null,null],
['29日',214,279,null,null],
['30日',206,270,null,null],
['31日',228,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)
      }
    });
  }

});