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,210,null,null],
['2日',289,273,null,null],
['3日',332,209,null,null],
['4日',310,206,null,null],
['5日',259,263,null,null],
['6日',305,212,null,null],
['7日',325,223,null,null],
['8日',238,216,null,null],
['9日',228,212,null,null],
['10日',223,248,null,null],
['11日',267,315,null,null],
['12日',303,332,null,null],
['13日',317,282,null,null],
['14日',336,261,null,null],
['15日',282,241,null,null],
['16日',213,246,null,null],
['17日',237,297,null,null],
['18日',177,304,177,null],
['19日',187,210,187,null],
['20日',229,205,null,null],
['21日',198,224,198,null],
['22日',217,233,null,null],
['23日',188,303,188,null],
['24日',219,342,null,null],
['25日',159,250,159,null],
['26日',183,280,183,null],
['27日',224,291,null,null],
['28日',217,324,null,null],
['29日',265,219,null,null],
['30日',246,258,null,null],
['31日',244,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)
      }
    });
  }

});