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',920,904,null,null],
['2日',951,973,null,null],
['3日',952,893,null,null],
['4日',934,916,null,null],
['5日',null,891,null,null],
['6日',994,868,null,null],
['7日',903,869,null,null],
['8日',900,865,null,null],
['9日',923,931,null,null],
['10日',920,874,null,null],
['11日',907,875,null,null],
['12日',null,911,null,null],
['13日',926,949,null,null],
['14日',905,915,null,null],
['15日',893,942,null,null],
['16日',906,924,null,null],
['17日',912,922,null,null],
['18日',913,918,null,null],
['19日',917,929,null,null],
['20日',907,915,null,null],
['21日',926,951,null,null],
['22日',942,897,null,null],
['23日',null,898,null,null],
['24日',905,906,null,null],
['25日',914,897,null,null],
['26日',896,941,null,null],
['27日',903,924,null,null],
['28日',894,950,null,null],
['29日',904,927,null,null],
['30日',931,942,null,null],
['31日',925,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)
      }
    });
  }

});