MultiSelect without $checked Property (Vue)

The MultiSelect control requires a data member to determine whether items are selected. If one is not provided, the control adds a $checked property to the data items. You can prevent this by creating a dedicated itemsSource that contains objects with two properties: the original item and the checked member.

Learn about Input Controls | No Checked Items Documentation | MultiSelect API Reference

This example uses Vue.

<template> <main class="container-fluid"> <div class="row"> <div class="col-xs-4"> <wj-multi-select placeholder="Devices" displayMemberPath="item.name" checkedMemberPath="checked" :checkedItemsChanged='onCheckedItemsChanged' :itemsSource="data" /> </div> <div class="col-xs-8"> <p> <b>Checked Items:</b> </p> <p v-if="checkedItems.length > 0"> {{ getCheckedItems(checkedItems) }} </p> </div> </div> </main> </template> <script setup> import { getData } from "./data"; import { ref } from "vue"; const data = ref(getData().map((item) => ({ item: item, checked: false }))); const checkedItems = ref([]); function onCheckedItemsChanged(s) { checkedItems.value = s.checkedItems; } function getCheckedItems(ctrl) { let items = ctrl.map((checkableItem) => checkableItem.item); return JSON.stringify(items); } </script> <style> body { margin-bottom: 24pt; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo MultiSelect - no $checked property</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="compiler.js" type="module"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.js'); </script> </head> <body> <div id="app"></div> </body> </html>
export function getData() { return [{ "specific_type": "3067VIP10G-3G", "name": "My Crazy VIP", "generic_type": "vip10g", "id": 2, "model": "3067VIP10G-3G", "properties": { "ndisplays": 1, "addr2": { "port": 9700 }, "snmp_monitor_port": 161, "nvidinputs": 36, "addr1": { "ip": "127.0.0.12", "port": 9700 } } }, { "specific_type": "EXE", "name": "My Crazy EXE", "generic_type": "exe", "id": 3, "model": "EXE", "properties": { "nports": 1152, "addr2": { "port": 9671 }, "snmp_monitor_port": 161, "addr1": { "ip": "127.0.0.1", "port": 9671 } } }, { "specific_type": "3067VIP10G-3G", "name": "Another VIP", "generic_type": "vip10g", "id": 4, "model": "3067VIP10G-3G", "properties": { "ndisplays": 1, "addr2": { "port": 9700 }, "snmp_monitor_port": 161, "nvidinputs": 36, "addr1": { "ip": "127.0.0.1", "port": 9700 } } }, { "specific_type": "570IPG-3G18-SFPP12", "name": "My Crazy IPG", "generic_type": "ipg", "id": 1, "model": "570IPG-3G18-SFPP12", "properties": { "addr2": { "port": 161 }, "snmp_monitor_port": 161, "addr1": { "ip": "127.0.0.1", "port": 161 } } } ]; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' }, '*.vue': { loader: '../plugin-vue/index.js' } //'*.vue': { loader: 'systemjs-plugin-vue' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 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'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js', '@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js', '@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js', '@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js', '@mescius/wijmo.pdf.security': 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'@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', 'vue-loader': 'npm:systemjs-vue-browser/index.js', //'systemjs-plugin-vue': 'npm:systemjs-plugin-vue/index.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'js' }, rxjs: { defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);