import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import ReactDOM from 'react-dom/client';
import React, { useEffect, useRef, useState } from 'react';
import useEvent from 'react-use-event-hook';
import { showPopup, hidePopup, hasClass, contains, closest, createElement, getElement, removeChild } from '@mescius/wijmo';
import { ListBox } from '@mescius/wijmo.react.input';
import { FlexGrid } from '@mescius/wijmo.react.grid';
import './app.css';
import { data } from './data';
function App() {
const [isDragEnabled, setIsDragEnabled] = useState(false);
const flexRef = useRef(null);
const columnPicker = useRef(null);
const dragSrc = useRef(null);
const dragDst = useRef(null);
useEffect(() => {
if (columnPicker.current) {
columnPicker.current.formatItem.addHandler((s, e) => {
handleEnableDragItem(e.item, isDragEnabled);
});
}
}, [isDragEnabled]);
const initializedGrid = useEvent((flex) => {
flexRef.current = flex;
flex.formatItem.addHandler((s, e) => {
if (e.panel == s.topLeftCells) {
e.cell.innerHTML = '<span class="column-picker-icon glyphicon glyphicon-cog"></span>';
}
});
// show the column picker when the user clicks the top-left cell
let ref = flex.hostElement.querySelector(".wj-topleft");
ref.addEventListener("mousedown", (e) => {
if (hasClass(e.target, "column-picker-icon")) {
let host = columnPicker.current.hostElement;
if (!host.offsetHeight) {
showPopup(host, ref, false, true, false);
columnPicker.current.focus();
}
else {
hidePopup(host, true, true);
flex.focus();
}
columnPicker.current.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 = columnPicker.current.hostElement;
if (!contains(host, e.target) && !closest(e.target, '.wj-flexgrid')) {
hidePopup(host, true, true);
}
});
});
const initializedPicker = useEvent((picker) => {
const host = picker.hostElement;
host.addEventListener('dragstart', handleDragStart);
host.addEventListener('dragover', handleDragOver);
host.addEventListener('drop', handleDrop);
host.addEventListener('dragend', handleDragEnd);
columnPicker.current = picker;
columnPicker.current.itemsSource = flexRef.current.columns;
columnPicker.current.checkedMemberPath = 'visible';
columnPicker.current.displayMemberPath = 'header';
columnPicker.current.lostFocus.addHandler(() => {
hidePopup(columnPicker.current.hostElement);
});
columnPicker.current.formatItem.addHandler((s, e) => {
handleEnableDragItem(e.item, isDragEnabled);
});
});
const hanndleSaveLayoutClick = () => {
localStorage.setItem("myLayout", flexRef.current.columnLayout);
};
const handleLoadLayoutClick = () => {
let layout = localStorage.getItem("myLayout");
if (layout) {
flexRef.current.columnLayout = layout;
}
};
const handleDragStart = (e) => {
dragSrc.current = closest(e.target, '.wj-listbox-item');
if (dragSrc.current && e.dataTransfer) {
e.dataTransfer.setData('text', dragSrc.current.innerHTML);
e.dataTransfer.effectAllowed = 'move';
}
};
const handleDragOver = (e) => {
const dragOver = closest(e.target, '.wj-listbox-item');
if (dragDst.current && dragDst.current !== dragOver) {
removeDropMarker();
}
if (dragOver && dragOver !== dragSrc.current) {
e.preventDefault();
if (dragSrc.current && e.dataTransfer) {
e.dataTransfer.dropEffect = 'move';
dragDst.current = dragOver;
const src = getElementIndex(dragSrc.current);
const dst = getElementIndex(dragDst.current);
removeDropMarker();
addDropMarker(dst > src);
}
}
else {
dragDst.current = null;
}
};
const handleDrop = (e) => {
if (dragSrc.current && dragDst.current) {
e.preventDefault();
const src = getElementIndex(dragSrc.current);
const dst = getElementIndex(dragDst.current);
flexRef.current.columns.moveElement(src, dst);
}
};
const handleDragEnd = () => {
dragSrc.current = null;
dragDst.current = null;
removeDropMarker();
};
const handleEnableDrag = (e) => {
const element = e.target;
setIsDragEnabled(element.checked);
};
const handleEnableDragItem = (item, enabled) => {
item.setAttribute('draggable', enabled.toString());
};
const getElementIndex = (element) => {
const parent = element.parentElement;
const siblings = Array.prototype.slice.call(parent ? parent.children : []);
return siblings.indexOf(element);
};
const removeDropMarker = () => {
removeChild(getElement('.drop-marker'));
};
const addDropMarker = (isAfterPos) => {
if (dragDst.current) {
const itemsGap = 10;
const width = 6;
const margin = itemsGap / width;
const height = dragDst.current.clientHeight;
const topPos = dragDst.current.offsetTop;
const leftPos = isAfterPos
? (dragDst.current.offsetLeft + dragDst.current.clientWidth + margin)
: (dragDst.current.offsetLeft - itemsGap + margin);
const css = `top:${topPos}px;left:${leftPos}px;height:${height}px;width:${width}px`;
const html = `<div class="drop-marker" style="${css}"> </div>`;
createElement(html, columnPicker.current.hostElement);
}
};
return (<div>
<main className="container-fluid">
<FlexGrid initialized={initializedGrid} itemsSource={data}/>
<div className="column-picker-div">
<ListBox className="column-picker" initialized={initializedPicker}/>
</div>
<div className="checkbox">
<label>
<input onClick={handleEnableDrag} 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 className="btn btn-default" onClick={hanndleSaveLayoutClick}>Save Layout</button>
<button className="btn btn-default" onClick={handleLoadLayoutClick}>Restore Layout</button>
</main>
</div>);
}
const container = document.getElementById('app');
if (container) {
const root = ReactDOM.createRoot(container);
root.render(<App />);
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo Wijmo FlexGrid Column Picker</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.wj-flexgrid {
max-height: 300px;
margin: 10px 0;
}
.column-picker-icon {
cursor: pointer;
color: #FF8754;
margin: 3px;
}
.column-picker-div {
display: none;
}
.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 {
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 getData() {
let data = [], countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'], products = ['Widget', 'Sprocket', 'Gadget', 'Doohickey'], colors = ['Black', 'White', 'Red', 'Green', 'Blue'], dt = new Date();
for (let i = 0; i < 100; i++) {
let 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);
let 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);
}
return data;
}
export const data = getData();
(function (global) {
window.process = {
env: {
NODE_ENV: "production"
}
}
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: 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.style': 'npm:@mescius/wijmo.grid.style/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.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/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.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',
"@mescius/wijmo.react.chart.analytics": "npm:@mescius/wijmo.react.chart.analytics/index.js",
"@mescius/wijmo.react.chart.animation": "npm:@mescius/wijmo.react.chart.animation/index.js",
"@mescius/wijmo.react.chart.annotation": "npm:@mescius/wijmo.react.chart.annotation/index.js",
"@mescius/wijmo.react.chart.finance.analytics": "npm:@mescius/wijmo.react.chart.finance.analytics/index.js",
"@mescius/wijmo.react.chart.finance": "npm:@mescius/wijmo.react.chart.finance/index.js",
"@mescius/wijmo.react.chart.hierarchical": "npm:@mescius/wijmo.react.chart.hierarchical/index.js",
"@mescius/wijmo.react.chart.interaction": "npm:@mescius/wijmo.react.chart.interaction/index.js",
"@mescius/wijmo.react.chart.radar": "npm:@mescius/wijmo.react.chart.radar/index.js",
"@mescius/wijmo.react.chart": "npm:@mescius/wijmo.react.chart/index.js",
"@mescius/wijmo.react.core": "npm:@mescius/wijmo.react.core/index.js",
'@mescius/wijmo.react.chart.map': 'npm:@mescius/wijmo.react.chart.map/index.js',
"@mescius/wijmo.react.gauge": "npm:@mescius/wijmo.react.gauge/index.js",
"@mescius/wijmo.react.grid.detail": "npm:@mescius/wijmo.react.grid.detail/index.js",
"@mescius/wijmo.react.grid.filter": "npm:@mescius/wijmo.react.grid.filter/index.js",
"@mescius/wijmo.react.grid.grouppanel": "npm:@mescius/wijmo.react.grid.grouppanel/index.js",
'@mescius/wijmo.react.grid.search': 'npm:@mescius/wijmo.react.grid.search/index.js',
"@mescius/wijmo.react.grid.multirow": "npm:@mescius/wijmo.react.grid.multirow/index.js",
"@mescius/wijmo.react.grid.sheet": "npm:@mescius/wijmo.react.grid.sheet/index.js",
'@mescius/wijmo.react.grid.transposed': 'npm:@mescius/wijmo.react.grid.transposed/index.js',
'@mescius/wijmo.react.grid.transposedmultirow': 'npm:@mescius/wijmo.react.grid.transposedmultirow/index.js',
'@mescius/wijmo.react.grid.immutable': 'npm:@mescius/wijmo.react.grid.immutable/index.js',
"@mescius/wijmo.react.grid": "npm:@mescius/wijmo.react.grid/index.js",
"@mescius/wijmo.react.input": "npm:@mescius/wijmo.react.input/index.js",
"@mescius/wijmo.react.olap": "npm:@mescius/wijmo.react.olap/index.js",
"@mescius/wijmo.react.viewer": "npm:@mescius/wijmo.react.viewer/index.js",
"@mescius/wijmo.react.nav": "npm:@mescius/wijmo.react.nav/index.js",
"@mescius/wijmo.react.base": "npm:@mescius/wijmo.react.base/index.js",
'@mescius/wijmo.react.barcode.common': 'npm:@mescius/wijmo.react.barcode.common/index.js',
'@mescius/wijmo.react.barcode.composite': 'npm:@mescius/wijmo.react.barcode.composite/index.js',
'@mescius/wijmo.react.barcode.specialized': 'npm:@mescius/wijmo.react.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'react': 'npm:react/index.js',
'react-dom': 'npm:react-dom/index.js',
'react-dom/client': 'npm:react-dom/client.js',
"scheduler": "npm:scheduler/index.js",
'redux': 'npm:redux/dist/redux.min.js',
'react-redux': 'npm:react-redux/dist/react-redux.min.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',
"react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js",
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
