google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', 'DL数');
       data.addColumn('number', 'Googleセルラン');
       data.addColumn('number', 'iOSセルラン');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
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['2022-02-28',352823,null,null,null,null],
['2022-03-01',352823,null,null,null,null],
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['2022-03-03',352823,null,null,null,null],
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['2022-03-06',352823,null,null,null,null],
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['2022-03-27',353696,null,null,null,null],
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['2022-03-29',353696,null,null,null,null],
['2022-03-30',353696,null,null,null,null],
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['2022-04-16',354252,null,null,null,null],
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['2022-04-18',354254,null,null,null,null],
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['2022-04-20',354323,null,null,null,null],
['2022-04-21',354323,null,null,null,null],
['2022-04-22',354323,null,null,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    legend: {position: 'top' },
    vAxes:[
      {direction:1},
      {direction:-1,viewWindow:{min:0,max:0}}
    ],
    series: {
      0:{
        type: 'bars',
        color: 'skyblue',
        targetAxisIndex: 0,
      },
      1:{
        type: 'line',
        color: 'seagreen',                
        targetAxisIndex: 1,
      },
      2:{
        type: 'line',
        color: 'red',                
        targetAxisIndex: 1,
      },
    },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['#2980b9','#e74c3c']
  };
  var chart = new google.visualization.ComboChart(document.getElementById('graphField'));
  chart.draw(data, options);
  
  google.visualization.events.addListener(chart, 'click', function() {
    if(chart.getSelection()[0]){
      chart.setSelection(null)
    }
  });


});