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Levels

You can give ‘n’ number of levels to the tree map. Each level can be separated using the [groupPath] property.

The following customization options are available to customize the tree map levels.

Group path

The [groupPath] property is used to separate each level in tree map. The GroupPath accepts a field in dataSource.

Source
Preview
app.vue
<template>
    <div class="control_wrapper">
        <ejs-treemap id="treemap" :dataSource='dataSource' :weightValuePath='weightValuePath' :levels='levels' :palette= 'palette'></ejs-treemap>
    </div>
</template>
<script>
import Vue from 'vue';
import { TreeMapPlugin } from "@syncfusion/ej2-vue-treemap";
Vue.use(TreeMapPlugin);

export default {
  data: function() {
    return {
     dataSource: [
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Marketing', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Management', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 100 },
    { Category: 'Employees', Country: 'India', JobDescription: 'HR Executives', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Accounts', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Marketing', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Management', EmployeesCount: 10 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Accounts', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'HR Executives', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Accounts', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Marketing', EmployeesCount: 100 }
    ],
    palette: ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
    weightValuePath: 'EmployeesCount',
    levels: [
        { groupPath: 'Country', border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobDescription', border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobGroup', border: { color: 'black', width: 0.5 } },
    ]
    }
  }
}
</script>
<style>
@import '../node_modules/@syncfusion/ej2-vue-treemap/styles/material.css';
</style>

Group gap

The [groupGap] property is used to separate an item from every group or another item to differentiate the levels mentioned in the tree map.

Source
Preview
app.vue
<template>
    <div class="control_wrapper">
        <ejs-treemap id="treemap"  :dataSource='dataSource' :weightValuePath='weightValuePath' :levels='levels' :palette= 'palette'></ejs-treemap>
    </div>
</template>
<script>
import Vue from 'vue';
import { TreeMapPlugin } from "@syncfusion/ej2-vue-treemap";
Vue.use(TreeMapPlugin);

export default {
  data: function() {
    return {
     dataSource: [
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Marketing', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Management', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 100 },
    { Category: 'Employees', Country: 'India', JobDescription: 'HR Executives', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Accounts', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Marketing', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Management', EmployeesCount: 10 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Accounts', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'HR Executives', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Accounts', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Marketing', EmployeesCount: 100 }
    ],
    palette: ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
    weightValuePath: 'EmployeesCount',
    levels: [
        { groupPath: 'Country', groupGap:10, border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobDescription', groupGap:10, border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobGroup', groupGap:10, border: { color: 'black', width: 0.5 } },
    ]
    }
  }
}
</script>
<style>
@import '../node_modules/@syncfusion/ej2-vue-treemap/styles/material.css';
</style>

Header format and alignment

You can customize header using the [headerFormat] property in which fields are mapping from the dataSource. You can also align header using the [headerAlignment] property.

Source
Preview
app.vue
<template>
    <div class="control_wrapper">
        <ejs-treemap id="treemap"  :dataSource='dataSource' :weightValuePath='weightValuePath' :levels='levels' :palette= 'palette'></ejs-treemap>
    </div>
</template>
<script>
import Vue from 'vue';
import { TreeMapPlugin } from "@syncfusion/ej2-vue-treemap";
Vue.use(TreeMapPlugin);

export default {
  data: function() {
    return {
     dataSource: [
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Marketing', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Management', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 100 },
    { Category: 'Employees', Country: 'India', JobDescription: 'HR Executives', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Accounts', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Marketing', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Management', EmployeesCount: 10 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Accounts', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'HR Executives', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Accounts', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Marketing', EmployeesCount: 100 }
    ],
    palette: ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
    weightValuePath: 'EmployeesCount',
    levels: [
        { groupPath: 'Country', headerFormat:'${Country}-${EmployeesCount}',
        headerAlignment:'Center', border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobDescription',headerFormat:'${JobDescription}-${EmployeesCount}', headerAlignment:'Far', border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobGroup', headerAlignment:'Near',
        headerFormat:'${JobGroup}-${EmployeesCount}', border: { color: 'black', width: 0.5 } },
    ]
    }
  }
}
</script>
<style>
@import '../node_modules/@syncfusion/ej2-vue-treemap/styles/material.css';
</style>

Header height and style

You can customize the font color, family, weight, and size using the [headerStyle] property. Based on font size, the header height can be given using the [headerHeight] property.

Source
Preview
app.vue
<template>
    <div class="control_wrapper">
        <ejs-treemap id="treemap"  :dataSource='dataSource' :weightValuePath='weightValuePath' :levels='levels' :palette= 'palette'></ejs-treemap>
    </div>
</template>
<script>
import Vue from 'vue';
import { TreeMapPlugin } from "@syncfusion/ej2-vue-treemap";
Vue.use(TreeMapPlugin);

export default {
  data: function() {
    return {
     dataSource: [
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Marketing', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Management', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 100 },
    { Category: 'Employees', Country: 'India', JobDescription: 'HR Executives', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Accounts', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Marketing', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Management', EmployeesCount: 10 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Accounts', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'HR Executives', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Accounts', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Marketing', EmployeesCount: 100 }
    ],
    palette: ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
    weightValuePath: 'EmployeesCount',
    levels: [
        { groupPath: 'Country', headerHeight:35, headerStyle:{ size:'15px' }, border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobDescription',headerHeight:45, headerStyle:{ size:'15px' }, border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobGroup',headerHeight:40, headerStyle:{ size:'15px' }, border: { color: 'black', width: 0.5 } },
    ]
    }
  }
}
</script>
<style>
@import '../node_modules/@syncfusion/ej2-vue-treemap/styles/material.css';
</style>

Header template and position

The treemap header supports to customize header of each item using the [headerTemplate] property. It uses Essential JS2 Template engine to render the elements. You can position the template using the [templatePosition] property.

The template concepts are illustrated in the following example.

Source
Preview
app.vue
<template>
    <div class="control_wrapper">
        <ejs-treemap id="treemap"  :dataSource='dataSource' :weightValuePath='weightValuePath' :levels='levels' :palette= 'palette'></ejs-treemap>
    </div>
</template>
<script>
import Vue from 'vue';
import { TreeMapPlugin } from "@syncfusion/ej2-vue-treemap";
Vue.use(TreeMapPlugin);

export default {
  data: function() {
    return {
     dataSource: [
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Marketing', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'USA', JobDescription: 'Management', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 100 },
    { Category: 'Employees', Country: 'India', JobDescription: 'HR Executives', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'India', JobDescription: 'Accounts', EmployeesCount: 40 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Executive', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Sales', JobGroup: 'Analyst', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Marketing', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 80 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Management', EmployeesCount: 10 },
    { Category: 'Employees', Country: 'Germany', JobDescription: 'Accounts', EmployeesCount: 20 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 30 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'HR Executives', EmployeesCount: 50 },
    { Category: 'Employees', Country: 'UK', JobDescription: 'Accounts', EmployeesCount: 60 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Technical', JobGroup: 'Testers', EmployeesCount: 70 },
    { Category: 'Employees', Country: 'France', JobDescription: 'Marketing', EmployeesCount: 100 }
    ],
    palette: ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
    weightValuePath: 'EmployeesCount',
    levels: [
        { groupPath: 'Country', headerTemplate:'<div>{{Country}}</div>', headerPosition:'Center', border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobDescription',headerTemplate:'<div>{{JobDescription}}</div>', headerPosition:'Center', border: { color: 'black', width: 0.5 } },
        { groupPath: 'JobGroup',headerTemplate:'<div>{{JobGroup}}</div>', headerPosition:'Far', border: { color: 'black', width: 0.5 } },
    ]
    }
  }
}
</script>
<style>
@import '../node_modules/@syncfusion/ej2-vue-treemap/styles/material.css';
</style>