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,218,null,null],
['2日',169,273,169,null],
['3日',162,191,162,191],
['4日',211,null,null,176],
['5日',212,176,null,176],
['6日',190,206,190,null],
['7日',174,164,174,164],
['8日',208,null,null,182],
['9日',197,158,197,158],
['10日',206,203,null,null],
['11日',176,139,176,139],
['12日',164,null,164,160],
['13日',214,null,null,194],
['14日',220,197,null,197],
['15日',148,227,148,null],
['16日',203,229,null,null],
['17日',205,183,null,183],
['18日',229,205,null,null],
['19日',215,175,null,175],
['20日',183,236,183,null],
['21日',220,214,null,null],
['22日',222,216,null,null],
['23日',260,218,null,null],
['24日',257,220,null,null],
['25日',236,183,null,183],
['26日',189,214,189,null],
['27日',180,207,180,null],
['28日',220,229,null,null],
['29日',188,232,188,null],
['30日',199,237,199,null],
['31日',240,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:300},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)
      }
    });
  }

});