Sorting in the PivotGrid (Vue)

The PivotEngine automatically sorts Dimension fields when it generates data summaries. It does not sort Measure fields by default. Users may switch the sort direction by clicking the headers on any PivotGrid control attached to the engine, when the grid's allowSorting property is set to true. The PivotGrid control does not show dimension field sort setting by default, but you can set the showRowFieldSort property to true if you want that feature.

Learn about OLAP | PivotGrid Sorting Documentation | PivotGrid API Reference

This example uses Vue.

<template> <div class="container-fluid"> <div class="row"> <div class="col-sm-4 panel"> <h4> Sort Dimension fields </h4> <label> Country: <wj-combo-box :items-source="sortOptions" :selectedIndexChanged="onCountrySelectedIndexChanged" /> </label> <label> Product: <wj-combo-box :items-source="sortOptions" :selectedIndexChanged="onProductSelectedIndexChanged" /> </label> <h4> Sort Measure fields </h4> <label> Sales: <wj-combo-box :items-source="sortOptions2" :initialized="initializeSortSales" :selectedIndexChanged="updateMeasureSort" /> </label> <label> Expenses: <wj-combo-box :items-source="sortOptions2" :initialized="initializeSortExpenses" :selectedIndexChanged="updateMeasureSort" /> </label> <label> Subtotals: <input id="subtotals" type="checkbox" v-on:click="onSubtotalsClick" /> </label> </div> <div class="col-sm-8"> <wj-pivot-grid :items-source="ng" :initialized="initializePivotGrid" /> </div> </div> </div> </template> <script setup> import "@mescius/wijmo.touch"; import * as wjcCore from "@mescius/wijmo"; import * as wjcOlap from "@mescius/wijmo.olap"; import { getData } from "./data"; import { ref } from "vue"; const ng = ref( new wjcOlap.PivotEngine({ itemsSource: getData(100), rowFields: ["Country", "Product"], valueFields: ["Sales", "Expenses"], }), ); const sortOptions = ref("Ascending,Descending".split(",")); const sortOptions2 = ref("None,Ascending,Descending".split(",")); const pivotGrid = ref(null); const sortSales = ref(null); const sortExpenses = ref(null); function initializePivotGrid(pivotGridref) { pivotGrid.value = pivotGridref; } function initializeSortSales(combo) { sortSales.value = combo; } function initializeSortExpenses(combo) { sortExpenses.value = combo; } function onCountrySelectedIndexChanged(combo) { ng.value.fields.getField("Country").descending = combo.selectedIndex == 1; } function onProductSelectedIndexChanged(combo) { ng.value.fields.getField("Product").descending = combo.selectedIndex == 1; } function onSubtotalsClick(e) { ng.value.showRowTotals = e.target.checked ? wjcOlap.ShowTotals.Subtotals : wjcOlap.ShowTotals.GrandTotals; } function updateMeasureSort() { if (sortSales.value && sortExpenses.value) { let sd = ng.value.pivotView.sortDescriptions; sd.clear(); _addMeasureSort("Sales", sortSales.value.text); _addMeasureSort("Expenses", sortExpenses.value.text); } } function _addMeasureSort(fieldName, sortDirection) { if (sortDirection != "None") { let sd = ng.value.pivotView.sortDescriptions, cols = pivotGrid.value.columns; for (let c = 0; c < cols.length; c++) { let binding = cols[c].binding; if (binding.indexOf(fieldName) == 0) { sd.push(new wjcCore.SortDescription(binding, sortDirection == "Ascending")); } } } } </script> <style> .wj-pivotgrid { box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23); } .panel label { display: block; } .panel label .wj-combobox { font-weight: normal; } h4 { margin-top: 20pt; } 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 OLAP Pivot Grid Sort</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(cnt) { var countries = 'US,Germany,UK,Japan,Italy'.split(','), products = 'Widgets,Gadgets,Doohickeys'.split(','), data = []; for (var i = 0; i < cnt; i++) { data.push({ country: countries[i % countries.length], product: products[i % products.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } return data; }
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