Editing Events (Vue)

The FlexGrid control has several events related to editing. This example shows how you can use two of them:

  • beginningEdit: Prevent editing overdue items by setting the cancel parameter to true.
  • cellEditEnding: Prevent entering negative amounts for the 'sales' and 'expenses' columns.

Learn about FlexGrid | FlexGrid API Reference

本示例基于Vue。

<template> <div class="container-fluid"> <div v-html="logText" class="log"></div> <wj-flex-grid :autoClipboard="false" :itemsSource="data" :initialized="flexInitialized"> <wj-flex-grid-column binding="id" header="ID" :width="50" :isReadOnly="true" /> <wj-flex-grid-column binding="country" header="Country" :isRequired="true" :dataMap="countries" /> <wj-flex-grid-column binding="sales" header="Sales" format="n2" /> <wj-flex-grid-column binding="expenses" header="Expenses" format="n2" /> <wj-flex-grid-column binding="overdue" header="Overdue" /> </wj-flex-grid> </div> </template> <script> import "@grapecity/wijmo.styles/wijmo.css"; import 'bootstrap.css'; import Vue from 'vue'; import '@grapecity/wijmo.vue2.core'; import '@grapecity/wijmo.vue2.grid'; import * as DataService from "./data"; let App = Vue.extend({ name: "app", data: function() { return { data: DataService.getData(), countries: DataService.getCountries(), logText: "please select a range on the grid", }; }, methods: { flexInitialized: function(flexgrid) { this.logText = ""; flexgrid.beginningEdit.addHandler((s, e) => { let col = s.columns[e.col]; if (col.binding != "overdue") { let item = s.rows[e.row].dataItem; if (item.overdue) { // prevent editing overdue items e.cancel = true; this.logText = "Overdue items cannot be edited"; } } }); flexgrid.cellEditEnding.addHandler((s, e) => { this.logText = ""; let col = s.columns[e.col]; if (col.binding == "sales" || col.binding == "expenses") { let value = wijmo.changeType(s.activeEditor.value, wijmo.DataType.Number, col.format); if (!wijmo.isNumber(value) || value < 0) { // prevent negative sales/expenses e.cancel = true; this.logText = "Please enter a positive amount"; } } }); } } }); new Vue({ render: h => h(App) }).$mount("#app"); </script> <style> .wj-flexgrid { max-height: 200px; margin-bottom: 12px; } .container-fluid .log { font-style: italic; text-align: center; margin-bottom: 10px; opacity: 0.5; } body { margin-bottom: 24px; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Editing Events</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/jszip/dist/jszip.js"></script> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.vue'); </script> </head> <body> <div id="app"> </div> </body> </html>
export function getCountries() { return ['US', 'Germany', 'UK', 'Japan', 'Sweden', 'Norway', 'Denmark']; } export function getData() { return getCountries().map((country, index) => { return { id: index, country: country, sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: (index + 1) % 4 == 0 } }); }
(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: { '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js', '@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js', '@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js', '@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js', '@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js', '@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js', '@grapecity/wijmo.chart.map': 'npm:@grapecity/wijmo.chart.map/index.js', '@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js', '@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js', '@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js', '@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js', '@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js', '@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js', '@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js', '@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js', '@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js', '@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js', '@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js', '@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js', '@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js', '@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js', '@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js', '@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js', '@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js', '@grapecity/wijmo.rest': 'npm:@grapecity/wijmo.rest/index.js', '@grapecity/wijmo.pdf': 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{ defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);