import 'bootstrap.css';
import '@grapecity/wijmo.styles/wijmo.css';
import './styles.css';
import { showPopup, hidePopup, hasClass, contains, closest, createElement, getElement, removeChild } from '@grapecity/wijmo';
import { ListBox } from '@grapecity/wijmo.input';
import { FlexGrid } from '@grapecity/wijmo.grid';
document.readyState === 'complete' ? init() : window.onload = init;
function init() {
// generate some random data
var data = [], countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'], products = ['Widget', 'Sprocket', 'Gadget', 'Doohickey'], colors = ['Black', 'White', 'Red', 'Green', 'Blue'], dt = new Date();
for (var i = 0; i < 100; i++) {
var date = new Date(dt.getFullYear(), i % 12, 25, i % 24, i % 60, i % 60), countryId = Math.floor(Math.random() * countries.length), productId = Math.floor(Math.random() * products.length), colorId = Math.floor(Math.random() * colors.length);
var item = {
id: i,
start: date,
end: date,
country: countries[countryId],
product: products[productId],
color: colors[colorId],
countryId: countryId,
productId: productId,
colorId: colorId,
amount1: Math.random() * 10000 - 5000,
amount2: Math.random() * 10000 - 5000,
amount3: Math.random() * 10000 - 5000,
amount4: Math.random() * 10000 - 5000,
amount5: Math.random() * 10000 - 5000,
discount: Math.random() / 4,
active: i % 4 == 0
};
data.push(item);
}
// create the grid
var theGrid = new FlexGrid('#theGrid', {
itemsSource: data,
formatItem: function (s, e) {
if (e.panel == s.topLeftCells) {
e.cell.innerHTML = '<span class="column-picker-icon glyphicon glyphicon-cog"></span>';
}
}
});
// create the column picker
var theColumnPicker = new ListBox('#theColumnPicker', {
itemsSource: theGrid.columns,
checkedMemberPath: 'visible',
displayMemberPath: 'header',
lostFocus: function () {
hidePopup(theColumnPicker.hostElement);
}
});
// show the column picker when the user clicks the top-left cell
var ref = theGrid.hostElement.querySelector('.wj-topleft');
ref.addEventListener('mousedown', function (e) {
if (hasClass(e.target, 'column-picker-icon')) {
let host = theColumnPicker.hostElement;
if (!host.offsetHeight) {
showPopup(host, ref, false, true, false);
theColumnPicker.focus();
}
else {
hidePopup(host, true, true);
theGrid.focus();
}
e.preventDefault();
}
});
// work around Safari/IOS bug (TFS 321525, 361500, 402670)
// https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
window.addEventListener('touchstart', (e) => {
let host = theColumnPicker.hostElement;
if (!contains(host, e.target) && !closest(e.target, '.wj-flexgrid')) {
hidePopup(host, true, true);
}
});
// save/restore layout buttons
document.getElementById('btnSave').addEventListener('click', function () {
localStorage.setItem('myLayout', theGrid.columnLayout);
});
document.getElementById('btnRestore').addEventListener('click', function () {
var layout = localStorage.getItem('myLayout');
if (layout) {
theGrid.columnLayout = layout;
}
});
// column picker's drag-and-drop
var isDragEnabled = false;
var dragSrc = null;
var dragDst = null;
var dragCheckbox = document.getElementById('enableDrag');
dragCheckbox.addEventListener('click', function (e) {
var element = e.target;
isDragEnabled = element.checked;
var host = theColumnPicker.hostElement;
var items = host.getElementsByClassName('wj-listbox-item');
for (var i = 0; i < items.length; i++) {
enableDragItem(items[i], isDragEnabled);
}
});
theColumnPicker.formatItem.addHandler(function (s, e) {
enableDragItem(e.item, isDragEnabled);
});
var theColumnPickerHost = theColumnPicker.hostElement;
theColumnPickerHost.addEventListener('dragstart', handleDragStart);
theColumnPickerHost.addEventListener('dragover', handleDragOver);
theColumnPickerHost.addEventListener('drop', handleDrop);
theColumnPickerHost.addEventListener('dragend', handleDragEnd);
function enableDragItem(item, enabled) {
item.setAttribute('draggable', enabled);
}
function handleDragStart(e) {
dragSrc = closest(e.target, '.wj-listbox-item');
if (dragSrc) {
e.dataTransfer.setData('text', dragSrc.innerHTML);
e.dataTransfer.effectAllowed = 'move';
}
}
function handleDragOver(e) {
var dragOver = closest(e.target, '.wj-listbox-item');
if (dragDst && dragDst !== dragOver) {
removeDropMarker();
}
if (dragOver && dragOver !== dragSrc) {
e.preventDefault();
e.dataTransfer.dropEffect = 'move';
dragDst = dragOver;
var src = getElementIndex(dragSrc);
var dst = getElementIndex(dragDst);
removeDropMarker();
addDropMarker(dst > src);
}
else {
dragDst = null;
}
}
function handleDrop(e) {
if (dragSrc && dragDst) {
e.preventDefault();
var src = getElementIndex(dragSrc);
var dst = getElementIndex(dragDst);
theGrid.columns.moveElement(src, dst);
}
}
function handleDragEnd() {
dragSrc = null;
dragDst = null;
removeDropMarker();
}
function getElementIndex(element) {
var parent = element.parentElement;
var siblings = Array.prototype.slice.call(parent.children);
return siblings.indexOf(element);
}
function removeDropMarker() {
removeChild(getElement('.drop-marker'));
}
function addDropMarker(isAfterPos) {
const itemsGap = 10;
const width = 6;
var margin = itemsGap / width;
var height = dragDst.clientHeight;
var topPos = dragDst.offsetTop;
var leftPos = isAfterPos
? (dragDst.offsetLeft + dragDst.clientWidth + margin)
: (dragDst.offsetLeft - itemsGap + margin);
var html = `<div class="drop-marker"
style="top:${topPos}px;left:${leftPos}px;height:${height}px;width:${width}px">
 
</div>`;
createElement(html, theColumnPicker.hostElement);
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo FlexGrid Column Picker</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');
</script>
</head>
<body>
<div class="container-fluid">
<div id="theGrid"></div>
<div style="display:none">
<div id="theColumnPicker" class="column-picker"></div>
</div>
<div class="checkbox">
<label>
<input id="enableDrag" type="checkbox"> Enable drag-and-drop
</label>
</div>
<p>
You can use the grid's <b>columnLayout</b> property to allow users
to save and restore column layouts. Click the buttons below
to see how this works:</p>
<button id="btnSave" class="btn btn-default">
Save Layout
</button>
<button id="btnRestore" class="btn btn-default">
Restore Layout
</button>
</div>
</body>
</html>
.wj-flexgrid {
max-height: 300px;
margin: 10px 0;
}
.column-picker-icon {
cursor: pointer;
color: #FF8754;
margin: 3px;
}
.wj-listbox.column-picker {
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 0 10px;
columns: 4; /* IE fallback */
padding: 12px;
margin-left: 12px;
margin-top: 26px;
box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}
.wj-listbox .wj-listbox-item > label {
display: block;
margin: 0 0 3px 0;
}
.wj-listbox .wj-listbox-item.wj-state-selected
{
background: transparent;
color: inherit;
}
.wj-listbox .wj-listbox-item:hover {
background: rgba(0,0,0,.05);
}
.wj-listbox .drop-marker {
position: absolute;
background: #0085c7;
opacity: 0.5;
pointer-events: none;
z-index: 1000;
}
(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',
'@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js',
'@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js',
'@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles',
'@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures',
'@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js',
'@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js',
'@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js',
'@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js',
'@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js',
'@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js',
'@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js',
'@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js',
'@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js',
'@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js',
'@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js',
'@grapecity/wijmo.chart.map': 'npm:@grapecity/wijmo.chart.map/index.js',
'@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js',
'@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js',
'@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js',
'@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js',
'@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js',
'@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js',
'@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js',
'@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js',
'@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js',
'@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js',
'@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js',
'@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js',
'@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js',
'@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js',
'@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js',
'@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js',
'@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js',
'@grapecity/wijmo.rest': 'npm:@grapecity/wijmo.rest/index.js',
'@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js',
'@grapecity/wijmo.pdf.security': 'npm:@grapecity/wijmo.pdf.security/index.js',
'@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js',
'@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js',
'@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js',
'@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js',
'@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js',
'@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js',
'@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js',
'@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js',
'@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js',
'@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/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);
