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Selection in Vue HeatMap Chart component

14 Oct 2021 / 2 minutes to read

In the HeatMap, the cell selection is used to select the single or multiple heat map cells at runtime and get the selected cell details using the cellSelected client-side event. You can enable this cell selection using the allowSelection property.

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app.vue
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<template>
    <div id="app">
        <ejs-heatmap id="heatmap" :titleSettings='titleSettings' :xAxis='xAxis' :yAxis='yAxis' :dataSource='dataSource' :allowSelection='allowSelection'></ejs-heatmap>
    </div>
</template>
<script>
import Vue from 'vue';
import { HeatMapPlugin, Tooltip, Legend } from '@syncfusion/ej2-vue-heatmap';
Vue.use(HeatMapPlugin);

export default {
  data: function() {
    return {
        dataSource: [
            [73, 39, 26, 39, 94, 0],
            [93, 58, 53, 38, 26, 68],
            [99, 28, 22, 4, 66, 90],
            [14, 26, 97, 69, 69, 3],
            [7, 46, 47, 47, 88, 6],
            [41, 55, 73, 23, 3, 79],
            [56, 69, 21, 86, 3, 33],
            [45, 7, 53, 81, 95, 79],
            [60, 77, 74, 68, 88, 51],
            [25, 25, 10, 12, 78, 14],
            [25, 56, 55, 58, 12, 82],
            [74, 33, 88, 23, 86, 59]
        ],
        titleSettings: {
            text: 'Sales Revenue per Employee (in 1000 US$)',
            textStyle: {
                size: '15px',
                fontWeight: '500',
                fontStyle: 'Normal',
                fontFamily: 'Segoe UI'
            }
        },
        xAxis: {
            labels: ['Nancy', 'Andrew', 'Janet', 'Margaret', 'Steven',
            'Michael', 'Robert', 'Laura', 'Anne', 'Paul', 'Karin',   'Mario']
        },
        yAxis: {
            labels: ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat']
        },
        allowSelection: true
    }
  },
 provide:{
    heatmap:[Tooltip, Legend]
},
}
</script>

<style>
@import '../node_modules/@syncfusion/ej2-vue-heatmap/styles/material.css';
</style>