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Tree Map

Plain Data Structure

Documentation

In this demo, the TreeMap component accepts a data source of a plain structure.

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<template> <DxTreeMap id="treemap" :data-source="citiesPopulation" title="The Most Populated Cities by Continents" id-field="id" parent-field="parentId" > <DxTooltip :enabled="true" :customize-tooltip="customizeTooltip" format="thousands" /> </DxTreeMap> </template> <script> import DxTreeMap, { DxTooltip } from 'devextreme-vue/tree-map'; import { citiesPopulation } from './data.js'; export default { components: { DxTreeMap, DxTooltip, }, data() { return { citiesPopulation, }; }, methods: { customizeTooltip(arg) { const { data } = arg.node; return { text: arg.node.isLeaf() ? `<span class="city">${data.name}</span> (${data.country})<br/>Population: ${arg.valueText}` : null, }; }, }, }; </script> <style> #treemap { height: 500px; } .city { font-weight: 500; } </style>
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.4/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.js"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>
export const citiesPopulation = [{ id: '1', name: 'Africa', }, { id: '1_1', parentId: '1', value: 21324000, name: 'Lagos', country: 'Nigeria', }, { id: '1_2', parentId: '1', value: 9735000, name: 'Kinshasa', country: 'Democratic Republic of the Congo', }, { id: '1_3', parentId: '1', value: 9278441, name: 'Cairo', country: 'Egypt', }, { id: '2', name: 'Asia', }, { id: '2_1', parentId: '2', value: 24256800, name: 'Shanghai', country: 'China', }, { id: '2_2', parentId: '2', value: 23500000, name: 'Karachi', country: 'Pakistan', }, { id: '2_3', parentId: '2', value: 21516000, name: 'Beijing', country: 'China', }, { id: '2_4', parentId: '2', value: 16787941, name: 'Delhi', country: 'India', }, { id: '2_5', parentId: '2', value: 15200000, name: 'Tianjin', country: 'China', }, { id: '3', name: 'Australia', }, { id: '3_1', parentId: '3', value: 4840600, name: 'Sydney', country: 'Austraila', }, { id: '3_2', parentId: '3', value: 4440000, name: 'Melbourne', country: 'Austraila', }, { id: '4', name: 'Europe', }, { id: '4_1', parentId: '4', value: 14160467, name: 'Istanbul', country: 'Turkey', }, { id: '4_2', parentId: '4', value: 12197596, name: 'Moscow', country: 'Russia', }, { id: '4_3', parentId: '4', value: 8538689, name: 'London', country: 'United Kingdom', }, { id: '4_4', parentId: '4', value: 5191690, name: 'Saint Petersburg', country: 'Russia', }, { id: '4_5', parentId: '4', value: 4470800, name: 'Ankara', country: 'Turkey', }, { id: '4_6', parentId: '4', value: 3517424, name: 'Berlin', country: 'Germany', }, { id: '5', name: 'North America', }, { id: '5_1', parentId: '5', value: 8874724, name: 'Mexico City', country: 'Mexico', }, { id: '5_2', parentId: '5', value: 8550405, name: 'New York City', country: 'United States', }, { id: '5_3', parentId: '5', value: 3884307, name: 'Los Angeles', country: 'United States', }, { id: '5_4', parentId: '5', value: 2808503, name: 'Toronto', country: 'Canada', }, { id: '6', name: 'South America', }, { id: '6_1', parentId: '6', value: 11895893, name: 'São Paulo', country: 'Brazil', }, { id: '6_2', parentId: '6', value: 8693387, name: 'Lima', country: 'Peru', }, { id: '6_3', parentId: '6', value: 7776845, name: 'Bogotá', country: 'Colombia', }, { id: '6_4', parentId: '6', value: 6429923, name: 'Rio de Janeiro', country: 'Brazil', }];
window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, 'devextreme/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@21.2.4/cjs', 'devextreme-vue': 'npm:devextreme-vue@21.2.4', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.7/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.40/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.0.0/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@2.3.13', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.11/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.11/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@2.3.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);