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({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,315,null,null,450,null,null,null,null,null],
['2日',287,null,null,250,null,null,287,null,null,null,null,null],
['3日',401,null,null,283,null,null,null,null,null,null,null,null],
['4日',345,null,null,326,null,null,null,null,null,null,null,null],
['5日',217,null,null,348,null,null,null,null,null,null,null,null],
['6日',237,null,null,355,null,null,null,null,null,null,null,null],
['7日',348,null,null,181,null,null,null,null,null,181,null,null],
['8日',425,null,null,222,null,null,null,null,null,null,null,null],
['9日',343,null,null,183,null,null,null,null,null,183,null,null],
['10日',129,null,null,209,null,null,129,null,null,null,null,null],
['11日',null,null,null,246,null,null,174,null,null,null,null,null],
['12日',174,null,null,243,null,null,174,null,null,null,null,null],
['13日',274,null,null,301,null,null,null,null,null,null,null,null],
['14日',344,null,null,330,null,null,null,null,null,null,null,null],
['15日',393,null,null,258,null,null,null,null,null,null,null,null],
['16日',130,null,null,266,null,null,130,null,null,null,null,null],
['17日',201,null,null,272,null,null,null,null,null,null,null,null],
['18日',148,null,null,281,null,null,148,null,null,null,null,null],
['19日',null,null,null,95,null,null,142,null,null,95,null,null],
['20日',188,null,null,null,null,null,188,null,null,123,null,null],
['21日',201,null,null,179,null,null,null,null,null,179,null,null],
['22日',213,null,null,202,null,null,null,null,null,null,null,null],
['23日',200,null,null,56,null,null,200,null,null,56,null,null],
['24日',209,null,null,null,null,null,null,null,null,75,null,null],
['25日',72,null,null,null,null,null,72,null,null,115,null,null],
['26日',null,null,null,null,null,null,72,null,null,154,null,null],
['27日',null,null,null,null,null,null,112,null,null,89,null,null],
['28日',127,null,null,133,null,null,127,null,null,133,null,null],
['29日',201,null,null,205,null,null,null,null,null,null,null,null],
['30日',275,null,null,233,null,null,null,null,null,null,null,null],
['31日',null,null,null,267,null,null,null,null,null,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:'2021年10月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:500},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=31 -1 ;
  var lastlogcat=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});