Tiling Algorithms

import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxTreeMapModule, DxSelectBoxModule } from 'devextreme-angular'; import { PopulationByAge, Service } from './app.service'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service], preserveWhitespaces: true }) export class AppComponent { getPopulationsByAge: PopulationByAge[]; algorithms = ["sliceAndDice", "squarified", "strip", "custom"]; constructor(service: Service) { this.getPopulationsByAge = service.getPopulationsByAge(); } customizeTooltip(arg) { var data = arg.node.data, parentData = arg.node.getParent().data, result = ""; if (arg.node.isLeaf()) { result = "<span class='country'>" + parentData.name + "</span><br />" + data.name + "<br />" + arg.valueText + " (" + (100 * data.value/parentData.total).toFixed(1) + "%)"; } else { result = "<span class='country'>" + data.name + "</span>"; } return { text: result }; } customAlgorithm(arg) { var side = 0, totalRect = arg.rect.slice(), totalSum = arg.sum; arg.items.forEach(function (item) { var size = Math.round((totalRect[side + 2] - totalRect[side]) * item.value / totalSum), pos, rect = totalRect.slice(); totalSum -= item.value; rect[side + 2] = totalRect[side] = totalRect[side] + size; item.rect = rect; side = 1 - side; }); } } @NgModule({ imports: [ BrowserModule, DxTreeMapModule, DxSelectBoxModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);

::ng-deep #treemap { height: 460px; } ::ng-deep .country { font-weight: 500; } ::ng-deep .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } ::ng-deep .option { margin-top: 10px; } ::ng-deep .caption { font-size: 18px; font-weight: 500; } ::ng-deep .option > span { margin-right: 10px; } ::ng-deep .option > .dx-widget { display: inline-block; vertical-align: middle; }

import { Injectable } from '@angular/core'; export interface PopulationByAge { name: string; total: number; items: any[]; } let populationsByAge: PopulationByAge[] = [{ "name": "Brazil", "total": 200050486, "items": [{ "name": "Age 0-14", "value": 48058462 }, { "name": "Age 15-44", "value": 96036995 }, { "name": "Age 45-64", "value": 40715296 }, { "name": "Age 65+", "value": 15239733 }] }, { "name": "Japan", "total": 126345237, "items": [{ "name": "Age 0-14", "value": 16593766 }, { "name": "Age 15-44", "value": 45455276 }, { "name": "Age 45-64", "value": 32845790 }, { "name": "Age 65+", "value": 31450405 }] }, { "name": "United States", "total": 318497627, "items": [{ "name": "Age 0-14", "value": 63968935 }, { "name": "Age 15-44", "value": 127217843 }, { "name": "Age 45-64", "value": 83145484 }, { "name": "Age 65+", "value": 44165365 }] }]; @Injectable() export class Service { getPopulationsByAge() { return populationsByAge; } }

// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here: // https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ System.config({ transpiler: 'ts', typescriptOptions: { module: "system", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" }, 'devextreme/localization.js': { "esModule": true } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.5.3/lib/typescript.js', '@angular': 'npm:@angular', 'tslib': 'npm:tslib@2.0.3/tslib.js', 'rxjs': 'npm:rxjs@6.3.3', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.4', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.5', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.8', 'devextreme-angular': 'npm:devextreme-angular@20.2.4', 'preact': 'npm:preact@10.5.7/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.js' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, packageConfigPaths: [ "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular/*/package.json", "npm:devextreme-angular/ui/*/package.json", "npm:devextreme-angular/package.json", "npm:devexpress-diagram/package.json", "npm:devexpress-gantt/package.json", ] });

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