Inline Editing (Vue)

Although the FlexGrid control provides efficient, Excel-style editing by default, you may want to customize the editing behavior. If for some reason you don't like the Excel-style editing and prefer to add editing buttons to every row (typical of editable HTML tables), you can accomplish that using the formatItem event and a little code.

Learn about FlexGrid | FlexGrid API Reference

This example uses Vue.

<template> <div class="container-fluid"> <!-- the grid --> <wj-flex-grid :isReadOnly=true selectionMode="None" headersVisibility="Column" :itemsSource="data" :initialized="initializeGrid"> <wj-flex-grid-column binding="id" header="ID" :width=50 :isReadOnly=true></wj-flex-grid-column> <wj-flex-grid-column binding="country" header="Country" :isRequired=true :dataMap="countries"></wj-flex-grid-column> <wj-flex-grid-column binding="sales" header="Sales" format="n2"></wj-flex-grid-column> <wj-flex-grid-column binding="expenses" header="Expenses" format="n2"></wj-flex-grid-column> <wj-flex-grid-column binding="buttons" header="Edit" :width=160> </wj-flex-grid-column> </wj-flex-grid> <!-- template for buttons on items in view mode --> <div id="tplBtnViewMode" style="display:none"> <button id="btnEdit" class="btn btn-default btn-sm"> <span class="glyphicon glyphicon-pencil"></span> Edit </button> <button id="btnDelete" class="btn btn-default btn-sm"> <span class="glyphicon glyphicon-remove"></span> Delete </button> <div> <!-- template for buttons on items in edit mode --> <div id="tplBtnEditMode" style="display:none"> <button id="btnOK" class="btn btn-primary btn-sm"> <span class="glyphicon glyphicon-ok"></span> OK </button> <button id="btnCancel" class="btn btn-warning btn-sm"> <span class="glyphicon glyphicon-ban-circle"></span> Cancel </button> </div> </div> </div> </div> </template> <script> import "@mescius/wijmo.styles/wijmo.css"; import "bootstrap.css"; import { createApp } from "vue" import { registerGrid } from "@mescius/wijmo.vue2.grid"; import * as wjcCore from '@mescius/wijmo'; import * as wjcGrid from '@mescius/wijmo.grid'; let App = { name: "App", data: function () { return { data: [], countries: ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'] } }, methods: { initializeGrid(flex) { this.flex = flex; this.data = this._getData(); flex.rows.defaultSize = 40; // custom formatter to paint buttons and editors flex.formatItem.addHandler((s, e) => { if (e.panel == s.cells) { let col = s.columns[e.col], item = s.rows[e.row].dataItem; if (item == this._currentEditItem) { // create editors and buttons for the item being edited switch (col.binding) { case 'buttons': e.cell.innerHTML = document.getElementById('tplBtnEditMode').innerHTML; e.cell['dataItem'] = item; break; case 'country': case 'sales': case 'expenses': e.cell.innerHTML = '<input class="form-control" ' + 'id="' + col.binding + '" ' + 'value="' + s.getCellData(e.row, e.col, true) + '"/>'; break; } } else { // create buttons for items not being edited switch (col.binding) { case 'buttons': e.cell.innerHTML = document.getElementById('tplBtnViewMode').innerHTML; e.cell['dataItem'] = item; break; } } } }); // handle button clicks flex.addEventListener(flex.hostElement, 'click', (e) => { let targetBtn; if (e.target instanceof HTMLButtonElement) { targetBtn = e.target; } else if (e.target instanceof HTMLSpanElement && e.target.classList.contains('glyphicon')) { targetBtn = e.target.parentElement; } if (targetBtn) { // get button's data item let item = wjcCore.closest(targetBtn, '.wj-cell')['dataItem']; // handle buttons switch (targetBtn.id) { // start editing this item case 'btnEdit': this._editItem(item); break; // remove this item from the collection case 'btnDelete': (flex.collectionView).remove(item); break; // commit edits case 'btnOK': this._commitEdit(); break; // cancel edits case 'btnCancel': this._cancelEdit(); break; } } }); // exit edit mode when scrolling the grid or losing focus flex.scrollPositionChanged.addHandler(this._cancelEdit.bind(this)); flex.lostFocus.addHandler(this._cancelEdit.bind(this)); }, _getData() { // create some random data let data = []; for (let i = 0; i < this.countries.length; i++) { data.push({ id: i, country: this.countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } return data; }, _editItem(item) { this._cancelEdit(); this._currentEditItem = item; this.flex.invalidate(); }, _commitEdit() { if (this._currentEditItem) { this.flex.columns.forEach((col) => { let input = this.flex.hostElement.querySelector('#' + col.binding); if (input) { let value = wjcCore.changeType(input.value, col.dataType, col.format); if (wjcCore.getType(value) == col.dataType) { this._currentEditItem[col.binding] = value; } } }); } this._currentEditItem = null; this.flex.invalidate(); }, _cancelEdit() { if (this._currentEditItem) { this._currentEditItem = null; this.flex.invalidate(); } } } }; const app = createApp(App); // register all components and directives from Wijmo modules registerGrid(app); app.mount('#app'); </script> <style> .wj-flexgrid { max-height: 200px; margin-bottom: 12px; } body { margin-bottom: 48px; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Inline Editing</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>
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