<template> <div class="form"> <DxTreeView id="treeview" ref="treeViewRef" :items="products" :width="300" :height="450" @item-context-menu="treeViewItemContextMenu" /> <div class="log-container"> <div> <i class="icon dx-icon-clock"/> <span> Operations log:</span> </div> <DxList id="log" show-scrollbar="always" :width="400" :height="300" :items="logItems" /> </div> <DxContextMenu ref="contextMenuRef" v-model:data-source="menuItems" target="#treeview .dx-treeview-item" @item-click="contextMenuItemClick" /> </div> </template> <script setup lang="ts"> import { ref } from 'vue'; import DxTreeView from 'devextreme-vue/tree-view'; import DxList from 'devextreme-vue/list'; import DxContextMenu from 'devextreme-vue/context-menu'; import service from './data.ts'; const products = ref(service.getProducts()); const menuItems = ref(service.getMenuItems()); const logItems = ref([]); const selectedTreeItem = ref(undefined); const treeViewRef = ref(); const contextMenuRef = ref(); function treeViewItemContextMenu(e) { selectedTreeItem.value = e.itemData; const contextMenu = contextMenuRef.value.instance; const isProduct = e.itemData.price !== undefined; contextMenu.option('items[0].visible', !isProduct); contextMenu.option('items[1].visible', !isProduct); contextMenu.option('items[2].visible', isProduct); contextMenu.option('items[3].visible', isProduct); contextMenu.option('items[0].disabled', e.node.expanded); contextMenu.option('items[1].disabled', !e.node.expanded); } function contextMenuItemClick(e) { const treeView = treeViewRef.value.instance; let logEntry = ''; switch (e.itemData.id) { case 'expand': { logEntry = `The '${selectedTreeItem.value.text}' group was expanded`; treeView.expandItem(selectedTreeItem.value.id); break; } case 'collapse': { logEntry = `The '${selectedTreeItem.value.text}' group was collapsed`; treeView.collapseItem(selectedTreeItem.value.id); break; } case 'details': { logEntry = `Details about '${selectedTreeItem.value.text}' were displayed`; break; } case 'copy': { logEntry = `Information about '${selectedTreeItem.value.text}' was copied`; break; } default: break; } logItems.value = logItems.value.concat(logEntry); } </script> <style scoped> .form { display: flex; } .form > div, #treeview { display: inline-block; vertical-align: top; } .log-container { padding: 20px; margin-left: 20px; background-color: rgba(191, 191, 191, 0.15); font-weight: 600; position: relative; } .log-container > div:first-child { display: flex; align-items: center; margin-bottom: 10px; } .log-container .dx-icon-clock { font-size: var(--dx-font-size-icon); } #log .dx-empty-message { padding-left: 0; } .dx-list-item-content { padding-left: 0; } </style>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'openai': { 'esModule': true, }, }, paths: { 'project:': '../../../../', 'npm:': 'https://cdn.jsdelivr.net/npm/', 'bundles:': '../../../../bundles/', 'externals:': '../../../../bundles/externals/', }, map: { 'vue': 'npm:vue@3.4.27/dist/vue.esm-browser.js', '@vue/shared': 'npm:@vue/shared@3.4.27/dist/shared.cjs.prod.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.2/index.js', 'demo-ts-loader': 'project:utils/demo-ts-loader.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'svg-loader': 'project:utils/svg-loader.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign', 'devextreme': 'npm:devextreme@25.1.4/cjs', 'devextreme-vue': 'npm:devextreme-vue@25.1.4/cjs', 'devextreme-quill': 'npm:devextreme-quill@1.7.3/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.19/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.62/dist/dx-gantt.js', 'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@8.2.3/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js', '@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.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', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme-vue/common': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/common/core/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
const menuItems = [ { id: 'expand', text: 'Expand category' }, { id: 'collapse', text: 'Collapse category' }, { id: 'details', text: 'Show product details' }, { id: 'copy', text: 'Copy product info' }, ]; const products = [{ id: '1', text: 'Stores', expanded: true, items: [{ id: '1_1', text: 'Super Mart of the West', expanded: true, items: [ { id: '1_1_1', text: 'Video Players', items: [{ id: '1_1_1_1', text: 'HD Video Player', price: 220, image: '../../../../images/products/1.png', }, { id: '1_1_1_2', text: 'SuperHD Video Player', image: '../../../../images/products/2.png', price: 270, }], }, { id: '1_1_2', text: 'Televisions', expanded: true, items: [{ id: '1_1_2_1', text: 'SuperLCD 42', image: '../../../../images/products/7.png', price: 1200, }, { id: '1_1_2_2', text: 'SuperLED 42', image: '../../../../images/products/5.png', price: 1450, }, { id: '1_1_2_3', text: 'SuperLED 50', image: '../../../../images/products/4.png', price: 1600, }, { id: '1_1_2_4', text: 'SuperLCD 55', image: '../../../../images/products/6.png', price: 1350, }, { id: '1_1_2_5', text: 'SuperLCD 70', image: '../../../../images/products/9.png', price: 4000, }], }, { id: '1_1_3', text: 'Monitors', expanded: true, items: [{ id: '1_1_3_1', text: '19"', expanded: true, items: [{ id: '1_1_3_1_1', text: 'DesktopLCD 19', image: '../../../../images/products/10.png', price: 160, }], }, { id: '1_1_3_2', text: '21"', items: [{ id: '1_1_3_2_1', text: 'DesktopLCD 21', image: '../../../../images/products/12.png', price: 170, }, { id: '1_1_3_2_2', text: 'DesktopLED 21', image: '../../../../images/products/13.png', price: 175, }], }], }, { id: '1_1_4', text: 'Projectors', expanded: false, items: [{ id: '1_1_4_1', text: 'Projector Plus', image: '../../../../images/products/14.png', price: 550, }, { id: '1_1_4_2', text: 'Projector PlusHD', image: '../../../../images/products/15.png', price: 750, }], }], }, { id: '1_2', text: 'Braeburn', expanded: false, items: [{ id: '1_2_1', text: 'Video Players', items: [{ id: '1_2_1_1', text: 'HD Video Player', image: '../../../../images/products/1.png', price: 240, }, { id: '1_2_1_2', text: 'SuperHD Video Player', image: '../../../../images/products/2.png', price: 300, }], }, { id: '1_2_2', text: 'Televisions', items: [{ id: '1_2_2_1', text: 'SuperPlasma 50', image: '../../../../images/products/3.png', price: 1800, }, { id: '1_2_2_2', text: 'SuperPlasma 65', image: '../../../../images/products/8.png', price: 3500, }], }, { id: '1_2_3', text: 'Monitors', items: [{ id: '1_2_3_1', text: '19"', items: [{ id: '1_2_3_1_1', text: 'DesktopLCD 19', image: '../../../../images/products/10.png', price: 170, }], }, { id: '1_2_3_2', text: '21"', items: [{ id: '1_2_3_2_1', text: 'DesktopLCD 21', image: '../../../../images/products/12.png', price: 180, }, { id: '1_2_3_2_2', text: 'DesktopLED 21', image: '../../../../images/products/13.png', price: 190, }], }], }], }, { id: '1_3', text: 'E-Mart', expanded: false, items: [{ id: '1_3_1', text: 'Video Players', items: [{ id: '1_3_1_1', text: 'HD Video Player', image: '../../../../images/products/1.png', price: 220, }, { id: '1_3_1_2', text: 'SuperHD Video Player', image: '../../../../images/products/2.png', price: 275, }], }, { id: '1_3_3', text: 'Monitors', items: [{ id: '1_3_3_1', text: '19"', items: [{ id: '1_3_3_1_1', text: 'DesktopLCD 19', image: '../../../../images/products/10.png', price: 165, }], }, { id: '1_3_3_2', text: '21"', items: [{ id: '1_3_3_2_1', text: 'DesktopLCD 21', image: '../../../../images/products/12.png', price: 175, }], }], }], }, { id: '1_4', text: 'Walters', expanded: false, items: [{ id: '1_4_1', text: 'Video Players', items: [{ id: '1_4_1_1', text: 'HD Video Player', image: '../../../../images/products/1.png', price: 210, }, { id: '1_4_1_2', text: 'SuperHD Video Player', image: '../../../../images/products/2.png', price: 250, }], }, { id: '1_4_2', text: 'Televisions', items: [{ id: '1_4_2_1', text: 'SuperLCD 42', image: '../../../../images/products/7.png', price: 1100, }, { id: '1_4_2_2', text: 'SuperLED 42', image: '../../../../images/products/5.png', price: 1400, }, { id: '1_4_2_3', text: 'SuperLED 50', image: '../../../../images/products/4.png', price: 1500, }, { id: '1_4_2_4', text: 'SuperLCD 55', image: '../../../../images/products/6.png', price: 1300, }, { id: '1_4_2_5', text: 'SuperLCD 70', image: '../../../../images/products/9.png', price: 4000, }, { id: '1_4_2_6', text: 'SuperPlasma 50', image: '../../../../images/products/3.png', price: 1700, }], }, { id: '1_4_3', text: 'Monitors', items: [{ id: '1_4_3_1', text: '19"', items: [{ id: '1_4_3_1_1', text: 'DesktopLCD 19', image: '../../../../images/products/10.png', price: 160, }], }, { id: '1_4_3_2', text: '21"', items: [{ id: '1_4_3_2_1', text: 'DesktopLCD 21', image: '../../../../images/products/12.png', price: 170, }, { id: '1_4_3_2_2', text: 'DesktopLED 21', image: '../../../../images/products/13.png', price: 180, }], }], }, { id: '1_4_4', text: 'Projectors', items: [{ id: '1_4_4_1', text: 'Projector Plus', image: '../../../../images/products/14.png', price: 550, }, { id: '1_4_4_2', text: 'Projector PlusHD', image: '../../../../images/products/15.png', price: 750, }], }], }], }]; export default { getProducts() { return products; }, getMenuItems() { return menuItems; }, };
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html lang="en"> <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=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/25.1.4/css/dx.light.css" /> <script src="https://cdn.jsdelivr.net/npm/typescript@5.4.5/lib/typescript.js"></script> <script type="module"> import * as vueCompilerSFC from "https://cdn.jsdelivr.net/npm/@vue/compiler-sfc@3.4.27/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>
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