Menu Commands (Vue)

Menu commands are created using the command property, which is an object that expects two function properties: canExecuteCommand and executeCommand. This sample shows a Menu control with commands that controls the the incremental or decremental value of an InputNumber control.

Learn about Input Controls | Menu Commands Documentation | Menu API Reference

This example uses Vue.

<template> <div class="container-fluid"> <div class="form-group"> <label for="currentTax">Current Tax</label> <wj-input-number id="currentTax" :format="'p2'" :min="0" :max="1" :step="0.025" :value="tax" :valueChanged="valueChanged"> </wj-input-number> </div> <div class="form-group"> <label for="changeTax">Change Tax</label> <wj-menu id="changeTax" :header="'Tax Commands'"> <wj-menu-item :cmd="command" :cmdParam="0.50">Increment by 50%</wj-menu-item> <wj-menu-item :cmd="command" :cmdParam="0.25">Increment by 25%</wj-menu-item> <wj-menu-item :cmd="command" :cmdParam="0.05">Increment by 5%</wj-menu-item> <wj-menu-separator></wj-menu-separator> <wj-menu-item :cmd="command" :cmdParam="-0.05">Decrement by 5%</wj-menu-item> <wj-menu-item :cmd="command" :cmdParam="-0.25">Decrement by 25%</wj-menu-item> <wj-menu-item :cmd="command" :cmdParam="-0.50">Decrement by 50%</wj-menu-item> </wj-menu> </div> </div> </template> <script> import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import { createApp } from "vue" import { registerCore } from '@mescius/wijmo.vue2.core'; import { registerInput } from '@mescius/wijmo.vue2.input'; let App = { name: 'app', data: function () { return { tax: 0.0825, command: { // execute the command executeCommand: (arg) => { arg = wijmo.changeType(arg, wijmo.DataType.Number, null); if (wijmo.isNumber(arg)) { this.tax += arg; } }, // check if a command can be executed canExecuteCommand: (arg) => { arg = wijmo.changeType(arg, wijmo.DataType.Number, null); if (wijmo.isNumber(arg)) { let val = this.tax + arg; return val >= 0 && val <= 1; } return false; } } } }, methods: { valueChanged(sender) { this.tax = sender.value; } } }; const app = createApp(App); // register all components and directives from Wijmo modules registerCore(app) registerInput(app) app.mount('#app'); </script> <style> label { width: 120px; text-align: right; margin-right: 3px; } 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 Menu Commands</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <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.vue'); </script> </head> <body> <div id="app"></div> </body> </html>
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' }, '*.vue': { loader: 'vue-loader' } //'*.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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'@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);