그리드 상태 유지

이 예제는 columnLayout, sortDescriptions, filter를 비롯한 FlexGrid 상태를 저장하고 복원하는 방법을 보여 줍니다. 아래 그리드에서 열 순서 변경, 크기 조정, 정렬 및 필터링을 시도해 보십시오. 그런 다음 "Save" 버튼을 눌러 상태를 로컬 저장소에 저장합니다. 샘플을 다시 실행하고 "Restore" 버튼을 눌러 저장한 레이아웃을 복원합니다.

FlexGrid 알아보기 | FlexGrid API 문서

import 'bootstrap.css'; import './styles.css'; import '@mescius/wijmo.styles/wijmo.css'; import * as wjInput from '@mescius/wijmo.input'; import * as wjGrid from '@mescius/wijmo.grid'; import * as wjGridFilter from '@mescius/wijmo.grid.filter'; import { CellMaker } from '@mescius/wijmo.grid.cellmaker'; import * as wjCore from '@mescius/wijmo'; import * as dataService from './data'; // document.readyState === 'complete' ? init() : (window.onload = init); // function init() { const map = new wjGrid.DataMap(dataService.getCountries(), 'id', 'name'); //columns definition var columnsCollection = [ { binding: 'id', header: 'ID' }, { header: 'Country', binding: 'country', width: 200, dataMap: getDataMap('country'), }, { header: 'Products', binding: 'products', width: 200, editor: getEditor('products'), }, { binding: 'downloads', header: 'Downloads', cellTemplate: getCellTemplate('downloads'), }, { binding: 'button', header: 'Button CellMaker', isReadOnly: true, width: 200, cellTemplate: getCellTemplate('button') }, ]; function getCellTemplate(binding) { switch (binding) { case 'button': return CellMaker.makeButton({ text: '<b>${item.products}</b> Button', click: (e, ctx) => { alert("Button clicked: " + ctx.item.id); }, }); case 'downloads': return (ctx) => { return `<span class=${ctx.item.downloads > 10000 ? 'high-val' : 'low-val'}>${ctx.text}</span>`; }; } return null; } // function getEditor(binding) { if (binding === 'products') { return new wjInput.ComboBox(document.createElement('div'), { itemsSource: dataService.getProducts(), selectedValuePath: 'id', displayMemberPath: 'name', }); } return null; } // function getDataMap(binding) { if (binding === 'country') { return map; } } // // create a grid with a filter var theGrid = new wjGrid.FlexGrid('#theGrid', { autoGenerateColumns: false, columns: columnsCollection, itemsSource: new wjCore.CollectionView(dataService.getData()), }); var theFilter = new wjGridFilter.FlexGridFilter(theGrid); // // save/restore grid state document.getElementById('btnSave').addEventListener('click', function () { var state = { columns: theGrid.columnLayout, filterDefinition: theFilter.filterDefinition, sortDescriptions: theGrid.collectionView.sortDescriptions.map(function (sortDesc) { return { property: sortDesc.property, ascending: sortDesc.ascending }; }), }; localStorage['GridStatePureJs'] = JSON.stringify(state); }); document.getElementById('btnRestore').addEventListener('click', function () { var json = localStorage['GridStatePureJs']; if (json) { var state = JSON.parse(json); // //restore column layout theGrid.columnLayout = state.columns; //update CellTemplate/Editor/DataMap theGrid.columns.map((col) => (col.cellTemplate = getCellTemplate(col.binding), col.dataMap = getDataMap(col.binding), col.editor = getEditor(col.binding))); // restore filter definitions theFilter.filterDefinition = state.filterDefinition; // restore sort state var view = theGrid.collectionView; view.deferUpdate(function () { view.sortDescriptions.clear(); for (var i = 0; i < state.sortDescriptions.length; i++) { var sortDesc = state.sortDescriptions[i]; view.sortDescriptions.push(new wjCore.SortDescription(sortDesc.property, sortDesc.ascending)); } }); } }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Persisting the Grid State</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'); </script> </head> <body> <div class="container-fluid"> <div id="theGrid"></div> <button id="btnSave" class="btn btn-default"> Save State </button> <button id="btnRestore" class="btn btn-default"> Restore State </button> </div> </body> </html>
// data used to generate random items export function getData() { var countries = getCountries(), products = getProducts(), data = []; for (var i = 0; i < 30; i++) { data.push({ id: i, country: countries[i % countries.length].id, products: products[i % products.length].name, downloads: Math.round(Math.random() * 20000), button: '' }); } return data; } // export function getCountries() { return [ { id: 0, name: 'US' }, { id: 1, name: 'Germany' }, { id: 2, name: 'UK' }, { id: 3, name: 'Japan' }, { id: 4, name: 'Italy' }, { id: 5, name: 'Greece' }, ]; } export function getProducts() { return [ { id: 0, name: 'Widgets' }, { id: 1, name: 'Gadgets' }, { id: 2, name: 'Yahoos' } ]; }
.wj-flexgrid { max-height: 250px; margin: 10px 0; } .wj-flexgrid .wj-cell { padding: 6px 8px; } body { margin-bottom: 20px; } .high-val { color: darkgreen; font-weight: bold; } .low-val { color: darkred; font-weight: bold; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.js', '@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': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js', '@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js', '@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js', '@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js', '@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js', '@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js', '@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js', '@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js', '@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js', '@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js', '@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js', '@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js', 'jszip': 'npm:jszip/dist/jszip.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'css': 'npm:systemjs-plugin-css/css.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' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);