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,310,null,null],
['2日',null,369,null,null],
['3日',null,368,null,null],
['4日',null,343,null,null],
['5日',null,319,null,null],
['6日',null,330,null,null],
['7日',null,289,null,null],
['8日',null,252,null,null],
['9日',null,271,null,null],
['10日',null,273,null,null],
['11日',null,230,null,null],
['12日',null,235,null,null],
['13日',906,245,null,null],
['14日',536,340,null,null],
['15日',436,358,null,null],
['16日',507,342,null,null],
['17日',806,379,null,null],
['18日',883,383,null,null],
['19日',773,412,null,null],
['20日',850,402,null,null],
['21日',560,381,null,null],
['22日',464,370,null,null],
['23日',386,403,null,null],
['24日',357,438,null,null],
['25日',355,448,null,null],
['26日',366,396,null,null],
['27日',391,457,null,null],
['28日',376,485,null,null],
['29日',424,464,null,null],
['30日',439,288,null,null],
['31日',257,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:1000},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)
      }
    });
  }

});