Row Details (Vue)

Sometimes rows are bound to data objects that contain more information than would fit easily on a regular grid. In these scenarios, you may want to use the FlexGridDetailProvider class that is included with the wijmo.grid.detail module. The FlexGridDetailProvider extends the FlexGrid by adding collapse/expand buttons to row headers, and a createDetailCell method you can use to provide additional details about an item.

This example uses Vue.

<template> <div class="container-fluid"> <h3>HTML in Row Details</h3> <p> This grid shows product categories on each row. Expanding the rows shows an HTML element with information about the products in that category: </p> <wj-flex-grid :itemsSource="categories" :isReadOnly=true> <wj-flex-grid-column header="Name" binding="CategoryName"></wj-flex-grid-column> <wj-flex-grid-column header="Description" binding="Description" width="*"></wj-flex-grid-column> <wj-flex-grid-detail :isAnimated=true v-slot="ctx"> ID: <b>{{ctx.item.CategoryID}}</b><br /> Name: <b>{{ctx.item.CategoryName}}</b><br /> Description: <b>{{ctx.item.Description}}</b><br /> Products: <b>{{getProducts(ctx.item.CategoryID).length}} items</b><br /> <ol> <li v-for="p in getProducts(ctx.item.CategoryID)" v-bind:key="p">{{p.ProductName}}</li> </ol> </wj-flex-grid-detail> </wj-flex-grid> <h3>Grids in Row Details</h3> <p> You can add anything you want to the detail rows, including other grids. This example shows the same categories, but the detail row uses another grid to show the products: </p> <wj-flex-grid :autoGenerateColumns=false :itemsSource="categories" :isReadOnly=true> <wj-flex-grid-column header="Category Name" binding="CategoryName" width="*"></wj-flex-grid-column> <wj-flex-grid-column header="Description" binding="Description" width="2*"></wj-flex-grid-column> <wj-flex-grid-detail :maxHeight=250 v-slot="ctx"> <wj-flex-grid :itemsSource="getProducts(ctx.item.CategoryID)" :isReadOnly="true" headersVisibility="Column"> <wj-flex-grid-column header="ID" binding="ProductID"></wj-flex-grid-column> <wj-flex-grid-column header="Name" binding="ProductName"></wj-flex-grid-column> <wj-flex-grid-column header="Qty/Unit" binding="QuantityPerUnit"></wj-flex-grid-column> <wj-flex-grid-column header="Unit Price" binding="UnitPrice"></wj-flex-grid-column> <wj-flex-grid-column header="Discontinued" binding="Discontinued"></wj-flex-grid-column> </wj-flex-grid> </wj-flex-grid-detail> </wj-flex-grid> </div> </template> <script> import "@grapecity/wijmo.styles/wijmo.css"; import "bootstrap.css"; import Vue from "vue"; import * as wjOdata from '@grapecity/wijmo.odata'; import * as wjGrid from '@grapecity/wijmo.grid'; import * as wjGridDetail from '@grapecity/wijmo.grid.detail'; import "@grapecity/wijmo.vue2.grid"; import "@grapecity/wijmo.vue2.grid.detail"; let App = Vue.extend({ name: "app", data: function() { return { categories : [], products : [], }; }, methods: { getProducts(categoryID) { let categoryProducts = this._catToProductMap.get(categoryID); if (!categoryProducts) { categoryProducts = this.products.items.filter( (product) => product.CategoryID === categoryID); this._catToProductMap.set(categoryID, categoryProducts); } return categoryProducts; } }, mounted: function() { var url = 'https://services.odata.org/Northwind/Northwind.svc'; this.categories = new wjOdata.ODataCollectionView(url, 'Categories', { fields: ['CategoryID', 'CategoryName', 'Description'] }); this.products = new wjOdata.ODataCollectionView(url, 'Products'); this._catToProductMap = new Map(); } }); new Vue({ render: h => h(App) }).$mount("#app"); </script> <style> .wj-flexgrid { max-height: 350px; } body { margin-bottom: 20pt; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Nested Grids</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <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>
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