import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
import { CollectionView, PropertyGroupDescription, SortDescription } from '@mescius/wijmo';
import { CollectionViewNavigator } from '@mescius/wijmo.input';
import { FlexGrid } from '@mescius/wijmo.grid';
var COUNTRIES = createCountries();
var PRODUCTS = createProducts();
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
}
else {
init();
}
function init() {
var view = new CollectionView(getData(30), {
pageSize: 6
});
view.newItemIndex = -1;
var nextId = view.sourceCollection.length;
new CollectionViewNavigator('#thePager', {
byPage: true,
headerFormat: 'Page {currentPage:n0} of {pageCount:n0}',
cv: view
});
createControls(view, function (label) {
var item = createRecord(nextId, label);
nextId++;
return item;
});
var grid = new FlexGrid('#theGrid', {
headersVisibility: 'Column',
alternatingRowStep: 0,
itemsSource: view,
allowAddNew: true,
allowDelete: true
});
}
function getData(count) {
var data = [];
for (var i = 0; i < count; i++) {
data.push(createRecord(i));
}
return data;
}
function createCountries() {
return 'US,Germany,UK,Japan,Italy,Greece'.split(',');
}
function createProducts() {
return 'Piano,Violin,Flute,Guitar,Cello'.split(',');
}
function createRecord(id, label) {
if (!COUNTRIES || !COUNTRIES.length) {
COUNTRIES = createCountries();
}
if (!PRODUCTS || !PRODUCTS.length) {
PRODUCTS = createProducts();
}
return {
id: id,
country: COUNTRIES[id % COUNTRIES.length],
product: label ? label : PRODUCTS[id % PRODUCTS.length],
sales: 1000 + id * 37,
expenses: 500 + id * 13
};
}
function createControls(view, createItem) {
var pager = document.getElementById('thePager');
var grid = document.getElementById('theGrid');
if (!pager || !grid || !pager.parentElement) {
return;
}
var host = document.createElement('div');
host.className = 'demo-controls';
host.innerHTML =
'<div class="control-section">' +
'<h4>AddNew / newItemIndex</h4>' +
'<div class="option-row">' +
'<label><input type="radio" name="addPos" value="default" checked> Append to sourceCollection tail</label>' +
'<label><input type="radio" name="addPos" value="bottom"> Insert at current page bottom</label>' +
'<label><input type="radio" name="addPos" value="top"> Insert at current page top</label>' +
'</div>' +
'<div class="button-row">' +
'<button id="runAddNew" class="demo-button" type="button">Run addNew()</button>' +
'<span class="hint">The grid new row is still enabled, but this button makes the result easier to inspect.</span>' +
'</div>' +
'</div>' +
'<div class="control-section">' +
'<h4>insertAt(index)</h4>' +
'<div class="button-row">' +
'<button id="insertTop" class="demo-button" type="button">insertAt(0)</button>' +
'<button id="insertBottom" class="demo-button" type="button">insertAt(pageSize - 1)</button>' +
'<button id="insertNegative" class="demo-button" type="button">insertAt(-1)</button>' +
'<button id="insertOverflow" class="demo-button" type="button">insertAt(pageSize)</button>' +
'</div>' +
'</div>' +
'<div class="control-section">' +
'<h4>Mode switches</h4>' +
'<div class="option-row">' +
'<label><input id="sortById" type="checkbox"> Sort by id descending</label>' +
'<label><input id="filterEven" type="checkbox"> Filter even ids only</label>' +
'<label><input id="groupByCountry" type="checkbox"> Group by country</label>' +
'</div>' +
'</div>' +
'<div id="statusPanel" class="status-panel"></div>';
pager.parentElement.insertBefore(host, grid);
function getModeSummary() {
var modes = [];
if (view.sortDescriptions.length > 0) {
modes.push('sorting');
}
if (view.filter || (view.filters && view.filters.length > 0)) {
modes.push('filtering');
}
if (view.groupDescriptions.length > 0) {
modes.push('grouping');
}
return modes.length ? modes.join(', ') : 'none';
}
function hasActiveViewTransform() {
return view.sortDescriptions.length > 0
|| !!view.filter
|| !!(view.filters && view.filters.length)
|| view.groupDescriptions.length > 0;
}
function setStatus(action, item, note) {
var statusPanel = document.getElementById('statusPanel');
if (!statusPanel) {
return;
}
var sourceIndex = item ? view.sourceCollection.indexOf(item) : -1;
var pageIndex = item ? view.items.indexOf(item) : -1;
statusPanel.innerHTML =
'<div><strong>Last action:</strong> ' + action + '</div>' +
'<div><strong>Active transforms:</strong> ' + getModeSummary() + '</div>' +
'<div><strong>Source index:</strong> ' + (sourceIndex > -1 ? sourceIndex : '-') + '</div>' +
'<div><strong>Current page index:</strong> ' + (pageIndex > -1 ? pageIndex : 'not on current page') + '</div>' +
'<div><strong>Note:</strong> ' + note + '</div>';
}
function populatePendingItem(item, label) {
var record = createItem(label);
item.id = record.id;
item.country = record.country;
item.product = record.product;
item.sales = record.sales;
item.expenses = record.expenses;
}
function updateNewItemIndex(value) {
switch (value) {
case 'top':
view.newItemIndex = 0;
break;
case 'bottom':
view.newItemIndex = view.pageSize - 1;
break;
default:
view.newItemIndex = -1;
break;
}
}
function applyModes() {
var sortCheckbox = document.getElementById('sortById');
var filterCheckbox = document.getElementById('filterEven');
var groupCheckbox = document.getElementById('groupByCountry');
var sortEnabled = sortCheckbox ? sortCheckbox.checked : false;
var filterEnabled = filterCheckbox ? filterCheckbox.checked : false;
var groupEnabled = groupCheckbox ? groupCheckbox.checked : false;
view.sortDescriptions.clear();
view.groupDescriptions.clear();
if (sortEnabled) {
view.sortDescriptions.push(new SortDescription('id', false));
}
if (groupEnabled) {
view.groupDescriptions.push(new PropertyGroupDescription('country'));
}
view.filter = filterEnabled
? function (item) { return item.id % 2 === 0; }
: null;
setStatus('Mode update', null, 'Page-relative positioning is honored only when sorting, filtering, and grouping are all inactive.');
}
function runAddNew() {
var item = view.addNew();
populatePendingItem(item, 'addNew');
view.commitNew();
var note = hasActiveViewTransform()
? 'Sorting, filtering, or grouping is active, so newItemIndex falls back to appending at the sourceCollection tail.'
: view.newItemIndex < 0
? 'The default addNew behavior appended the item to the sourceCollection tail.'
: 'newItemIndex repositioned the item relative to the current page.';
setStatus('addNew()', item, note);
}
function runInsertAt(index) {
var item = view.insertAt(index);
if (!item) {
setStatus('insertAt(' + index + ')', null, 'No insertion was executed because the index is outside the valid page-relative range.');
return;
}
populatePendingItem(item, 'insertAt(' + index + ')');
view.commitNew();
var note = hasActiveViewTransform()
? 'Sorting, filtering, or grouping is active, so valid insertAt requests fall back to appending at the sourceCollection tail.'
: 'insertAt positioned the item relative to the current page.';
setStatus('insertAt(' + index + ')', item, note);
}
var addPosInputs = host.querySelectorAll('input[name="addPos"]');
for (var i = 0; i < addPosInputs.length; i++) {
addPosInputs[i].addEventListener('change', function (e) {
var target = e.target;
updateNewItemIndex(target ? target.value : 'default');
});
}
document.getElementById('runAddNew').addEventListener('click', function () {
runAddNew();
});
document.getElementById('insertTop').addEventListener('click', function () {
runInsertAt(0);
});
document.getElementById('insertBottom').addEventListener('click', function () {
runInsertAt(view.pageSize - 1);
});
document.getElementById('insertNegative').addEventListener('click', function () {
runInsertAt(-1);
});
document.getElementById('insertOverflow').addEventListener('click', function () {
runInsertAt(view.pageSize);
});
document.getElementById('sortById').addEventListener('change', applyModes);
document.getElementById('filterEven').addEventListener('change', applyModes);
document.getElementById('groupByCountry').addEventListener('change', applyModes);
setStatus('Ready', null, 'Use addNew() or the insertAt() buttons to compare sourceCollection append behavior with page-relative insertion. Grouping also disables page-relative positioning.');
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo FlexGrid InsertAt and NewItemIndex</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.5/dist/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<main class="container-fluid">
<div id="thePager"></div>
<div id="theGrid"></div>
</main>
</body>
</html>
.demo-controls {
margin: 12px 0;
}
.control-section {
background: #f8fafc;
border: 1px solid #d8dee9;
border-radius: 6px;
margin-bottom: 12px;
padding: 12px;
}
.control-section h4 {
font-size: 14px;
font-weight: 600;
margin: 0 0 8px;
}
.option-row,
.button-row {
align-items: center;
display: flex;
flex-wrap: wrap;
gap: 10px 16px;
}
.option-row label {
align-items: center;
display: inline-flex;
font-weight: 400;
gap: 6px;
margin: 0;
}
.hint {
color: #666;
font-size: 12px;
}
.demo-button {
background: #ffffff;
border: 1px solid #c7d2df;
border-radius: 4px;
color: #243447;
cursor: pointer;
font-size: 12px;
line-height: 1.4;
padding: 6px 12px;
transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.demo-button:hover {
background: #f4f7fb;
border-color: #b3c0cf;
}
.demo-button:focus {
box-shadow: 0 0 0 2px rgba(69, 117, 180, 0.2);
outline: none;
}
.demo-button:disabled {
cursor: not-allowed;
opacity: 0.55;
}
.status-panel {
background: #fff7e6;
border: 1px solid #f0c36d;
border-radius: 6px;
padding: 12px;
}
.status-panel div + div {
margin-top: 6px;
}
.wj-flexgrid {
height: 260px;
}
body {
margin-bottom: 24px;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
},
meta: {
'*.css': { loader: 'css' },
},
paths: {
// paths serve as alias
'npm:': 'node_modules/',
'cdn:': 'https://cdn.mescius.io/demoapps/packages/wijmojs/5.20261.52-rc/',
'pcdn:': 'https://cdn.jsdelivr.net/npm/'
},
// map tells the System loader where to look for things
map: {
'@mescius/wijmo': 'cdn:@mescius/wijmo/index.js',
'@mescius/wijmo.input': 'cdn:@mescius/wijmo.input/index.js',
'@mescius/wijmo.styles': 'cdn:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'cdn:@mescius/wijmo.cultures',
'@mescius/wijmo.chart': 'cdn:@mescius/wijmo.chart/index.js',
'@mescius/wijmo.chart.analytics': 'cdn:@mescius/wijmo.chart.analytics/index.js',
'@mescius/wijmo.chart.animation': 'cdn:@mescius/wijmo.chart.animation/index.js',
'@mescius/wijmo.chart.annotation': 'cdn:@mescius/wijmo.chart.annotation/index.js',
'@mescius/wijmo.chart.finance': 'cdn:@mescius/wijmo.chart.finance/index.js',
'@mescius/wijmo.chart.finance.analytics': 'cdn:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'cdn:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'cdn:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'cdn:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'cdn:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'cdn:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'cdn:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'cdn:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'cdn:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'cdn:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'cdn:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'cdn:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.style': 'cdn:@mescius/wijmo.grid.style/index.js',
'@mescius/wijmo.grid.grouppanel': 'cdn:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'cdn:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'cdn:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'cdn:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'cdn:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'cdn:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'cdn:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'cdn:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'cdn:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.nav': 'cdn:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'cdn:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'cdn:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'cdn:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'cdn:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'cdn:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'cdn:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'cdn:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'cdn:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'cdn:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.touch': 'cdn:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'cdn:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.barcode': 'cdn:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'cdn:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'cdn:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'cdn:@mescius/wijmo.barcode.specialized/index.js',
jszip: 'pcdn:jszip@3.8.0/dist/jszip.js',
'bootstrap.css': 'pcdn:bootstrap@5.3.8/dist/css/bootstrap.min.css',
css: 'pcdn:systemjs-plugin-css@0.1.37/css.js',
'plugin-babel': 'pcdn:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'pcdn:systemjs-plugin-babel@0.0.25/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);
