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,256,null,null],
['2日',276,330,null,null],
['3日',272,338,null,null],
['4日',304,258,null,null],
['5日',229,257,null,null],
['6日',251,310,null,null],
['7日',220,337,null,null],
['8日',219,269,null,null],
['9日',246,329,null,null],
['10日',314,403,null,null],
['11日',388,225,null,null],
['12日',360,215,null,null],
['13日',355,241,null,null],
['14日',192,320,192,null],
['15日',213,423,null,null],
['16日',244,353,null,null],
['17日',304,388,null,null],
['18日',356,487,null,null],
['19日',409,417,null,null],
['20日',521,304,null,null],
['21日',331,303,null,null],
['22日',379,376,null,null],
['23日',397,412,null,null],
['24日',445,490,null,null],
['25日',469,313,null,null],
['26日',341,309,null,null],
['27日',370,354,null,null],
['28日',463,409,null,null],
['29日',438,213,null,null],
['30日',162,229,162,null],
['31日',204,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:600},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)
      }
    });
  }

});