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    • <!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style>
    html,
    body {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    #myChart {
      margin-left: 10%;
      height: 100%;
      min-height: 150px;
    }

    .zc-ref {
      display: none;
    }

    .controls {
      z-index: 1000;
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 10%;
      background-color: #9e9e9e;
      padding: 15px;
    }

    .controls label {
      width: 75px;
      display: inline-block;
    }

    .controls input {
      margin-bottom: 5px;
      width: 90%;
    }
  </style>
</head>

<body>
  <div class="controls">

    <label for="a-value">|A|</label>
    <input id="a-value" name="a-value" type="number" value="16" min=1>

    <label for="b-value">|B|</label>
    <input id="b-value" name="b-value" type="number" value="16" min=1>

    <label for="c-value">|C|</label>
    <input id="c-value" name="c-value" type="number" value="12" min=1>

    <label for="ab-value">|A∩B|</label>
    <input id="ab-value" name="ab-value" type="number" value="4" min=1>

    <label for="bc-value">|B∩C|</label>
    <input id="bc-value" name="bc-value" type="number" value="4" min=1>

    <label for="ca-value">|C∩A|</label>
    <input id="ca-value" name="ca-value" type="number" value="3" min=1>

    <p><strong>Note: </strong> |A∩B∩C| is calculated by ZingChart</p>
    <hr>
    <button onclick="window.parent.location.reload()">Reload Data</button>
    <!--<label for="abc-value"></label>
  	    <input id="abc-value" name="abc-value" type="number" value="2" disabled>
  	    -->

  </div>
  <div id="myChart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      "type": "venn",
      "plot": {
        "value-box": {
          "text": "%t:<br>%v",
          "joined": {
            "text": "Joined:<br>%joined-value"
          },
          "shared": {
            "text": "Shared:<br>%shared-value"
          }
        }
      },
      "series": [{
          "values": [16],
          "join": [4],
          "text": "Set One"
        },
        {
          "values": [16],
          "join": [3],
          "text": "Set Two"
        },
        {
          "values": [12],
          "join": [4],
          "text": "Set Three"
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: "100%",
      width: "100%"
    });

    function updateChart() {
      zingchart.exec('myChart', 'setdata', {
        data: myConfig
      });
    }

    function updateChartValue(updateValue, seriesIndex, valuesIndex) {
      if (updateValue <= 0)
        return false;
      myConfig.series[seriesIndex].values[valuesIndex] = updateValue;
    }

    function updateChartJoin(updateValue, seriesIndex, valuesIndex) {
      if (updateValue <= 0)
        return false;
      myConfig.series[seriesIndex].join[valuesIndex] = updateValue;
    }

    document.getElementById('a-value').addEventListener('input', function(e) {
      updateChartValue(Number(e.target.value), 0, 0);
      updateChart();
    });
    document.getElementById('b-value').addEventListener('input', function(e) {
      updateChartValue(Number(e.target.value), 1, 0);
      updateChart();
    });
    document.getElementById('c-value').addEventListener('input', function(e) {
      updateChartValue(Number(e.target.value), 2, 0);
      updateChart();
    });
    document.getElementById('ab-value').addEventListener('input', function(e) {
      updateChartJoin(Number(e.target.value), 0, 0);
      updateChart();
    });
    document.getElementById('bc-value').addEventListener('input', function(e) {
      updateChartJoin(Number(e.target.value), 1, 0);
      updateChart();
    });
    document.getElementById('ca-value').addEventListener('input', function(e) {
      updateChartJoin(Number(e.target.value), 2, 0);
      updateChart();
    });
  </script>
</body>

</html>
    <!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div class="controls">

    <label for="a-value">|A|</label>
    <input id="a-value" name="a-value" type="number" value="16" min=1>

    <label for="b-value">|B|</label>
    <input id="b-value" name="b-value" type="number" value="16" min=1>

    <label for="c-value">|C|</label>
    <input id="c-value" name="c-value" type="number" value="12" min=1>

    <label for="ab-value">|A∩B|</label>
    <input id="ab-value" name="ab-value" type="number" value="4" min=1>

    <label for="bc-value">|B∩C|</label>
    <input id="bc-value" name="bc-value" type="number" value="4" min=1>

    <label for="ca-value">|C∩A|</label>
    <input id="ca-value" name="ca-value" type="number" value="3" min=1>

    <p><strong>Note: </strong> |A∩B∩C| is calculated by ZingChart</p>
    <hr>
    <button onclick="window.parent.location.reload()">Reload Data</button>
    <!--<label for="abc-value"></label>
  	    <input id="abc-value" name="abc-value" type="number" value="2" disabled>
  	    -->

  </div>
  <div id="myChart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
</body>

</html>
    html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

#myChart {
  margin-left: 10%;
  height: 100%;
  min-height: 150px;
}

.zc-ref {
  display: none;
}

.controls {
  z-index: 1000;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 10%;
  background-color: #9e9e9e;
  padding: 15px;
}

.controls label {
  width: 75px;
  display: inline-block;
}

.controls input {
  margin-bottom: 5px;
  width: 90%;
}
    var myConfig = {
  "type": "venn",
  "plot": {
    "value-box": {
      "text": "%t:<br>%v",
      "joined": {
        "text": "Joined:<br>%joined-value"
      },
      "shared": {
        "text": "Shared:<br>%shared-value"
      }
    }
  },
  "series": [{
      "values": [16],
      "join": [4],
      "text": "Set One"
    },
    {
      "values": [16],
      "join": [3],
      "text": "Set Two"
    },
    {
      "values": [12],
      "join": [4],
      "text": "Set Three"
    }
  ]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: "100%",
  width: "100%"
});

function updateChart() {
  zingchart.exec('myChart', 'setdata', {
    data: myConfig
  });
}

function updateChartValue(updateValue, seriesIndex, valuesIndex) {
  if (updateValue <= 0)
    return false;
  myConfig.series[seriesIndex].values[valuesIndex] = updateValue;
}

function updateChartJoin(updateValue, seriesIndex, valuesIndex) {
  if (updateValue <= 0)
    return false;
  myConfig.series[seriesIndex].join[valuesIndex] = updateValue;
}

document.getElementById('a-value').addEventListener('input', function(e) {
  updateChartValue(Number(e.target.value), 0, 0);
  updateChart();
});
document.getElementById('b-value').addEventListener('input', function(e) {
  updateChartValue(Number(e.target.value), 1, 0);
  updateChart();
});
document.getElementById('c-value').addEventListener('input', function(e) {
  updateChartValue(Number(e.target.value), 2, 0);
  updateChart();
});
document.getElementById('ab-value').addEventListener('input', function(e) {
  updateChartJoin(Number(e.target.value), 0, 0);
  updateChart();
});
document.getElementById('bc-value').addEventListener('input', function(e) {
  updateChartJoin(Number(e.target.value), 1, 0);
  updateChart();
});
document.getElementById('ca-value').addEventListener('input', function(e) {
  updateChartJoin(Number(e.target.value), 2, 0);
  updateChart();
});