<template>
<div class="container-fluid">
<wj-flex-grid :itemsSource="data" :initialized="initializedGrid"></wj-flex-grid>
<div style="display:none">
<wj-list-box class="column-picker" :initialized="initializedPicker"></wj-list-box>
</div>
<div class="checkbox">
<label>
<input v-on:click="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 v-on:click="saveLayout" class="btn btn-default">Save Layout</button>
<button v-on:click="loadLayout" class="btn btn-default">Restore Layout</button>
</div>
</template>
<script>
import "@mescius/wijmo.styles/wijmo.css";
import "bootstrap.css";
import Vue from "vue";
import "@mescius/wijmo.vue2.grid";
import "@mescius/wijmo.vue2.input";
import { showPopup, hidePopup, hasClass, contains, closest, createElement, getElement, removeChild } from "@mescius/wijmo";
import { getData } from "./data";
new Vue({
el: "#app",
data: function() {
return {
data: getData(),
isDragEnabled: false,
dragSrc: null,
dragDst: null
};
},
methods: {
saveLayout() {
localStorage.setItem("myLayout", this.flex.columnLayout);
},
loadLayout() {
let layout = localStorage.getItem("myLayout");
if (layout) {
this.flex.columnLayout = layout;
}
},
initializedPicker(picker) {
this.columnPicker = picker;
},
initializedGrid(ctl) {
this.flex = ctl;
this.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 = this.flex.hostElement.querySelector(".wj-topleft");
ref.addEventListener("mousedown", e => {
if (hasClass(e.target, "column-picker-icon")) {
let host = this.columnPicker.hostElement;
if (!host.offsetHeight) {
showPopup(host, ref, false, true, false);
this.columnPicker.focus();
} else {
hidePopup(host, true, true);
this.flex.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 = this.columnPicker.hostElement;
if (!contains(host, e.target) && !closest(e.target, '.wj-flexgrid')) {
hidePopup(host, true, true);
}
});
},
handleDragStart(e) {
this.dragSrc = closest(e.target, '.wj-listbox-item');
if (this.dragSrc) {
e.dataTransfer.setData('text', this.dragSrc.innerHTML);
e.dataTransfer.effectAllowed = 'move';
}
},
handleDragOver(e) {
const dragOver = closest(e.target, '.wj-listbox-item');
if (this.dragDst && this.dragDst !== dragOver) {
this._removeDropMarker();
}
if (dragOver && dragOver !== this.dragSrc) {
e.preventDefault();
e.dataTransfer.dropEffect = 'move';
this.dragDst = dragOver;
const src = this._getElementIndex(this.dragSrc);
const dst = this._getElementIndex(this.dragDst);
this._removeDropMarker();
this._addDropMarker(dst > src);
} else {
this.dragDst = null;
}
},
handleDrop(e) {
if (this.dragSrc && this.dragDst) {
e.preventDefault();
const src = this._getElementIndex(this.dragSrc);
const dst = this._getElementIndex(this.dragDst);
this.flex.columns.moveElement(src, dst);
}
},
handleDragEnd(e) {
this.dragSrc = null;
this.dragDst = null;
this._removeDropMarker();
},
enableDrag(e) {
const element = e.target;
this.isDragEnabled = element.checked;
const host = this.columnPicker.hostElement;
const items = host.getElementsByClassName('wj-listbox-item');
for (let i = 0; i < items.length; i++) {
this._enableDragItem(items[i], this.isDragEnabled);
}
},
_enableDragItem(item, enabled) {
item.setAttribute('draggable', enabled.toString());
},
_getElementIndex(element) {
const parent = element.parentElement;
const siblings = Array.prototype.slice.call(parent.children);
return siblings.indexOf(element);
},
_removeDropMarker() {
removeChild(getElement('.drop-marker'));
},
_addDropMarker(isAfterPos) {
const itemsGap = 10;
const width = 6;
const margin = itemsGap/width;
const height = this.dragDst.clientHeight;
const topPos = this.dragDst.offsetTop;
const leftPos = isAfterPos
? (this.dragDst.offsetLeft + this.dragDst.clientWidth + margin)
: (this.dragDst.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, this.columnPicker.hostElement);
}
},
mounted: function() {
if (this.flex) {
this.columnPicker.itemsSource = this.flex.columns;
this.columnPicker.checkedMemberPath = 'visible';
this.columnPicker.displayMemberPath = 'header';
this.columnPicker.lostFocus.addHandler(() => {
hidePopup(this.columnPicker.hostElement);
});
this.columnPicker.formatItem.addHandler((s, e) => {
this._enableDragItem(e.item, this.isDragEnabled);
});
const host = this.columnPicker.hostElement;
host.addEventListener('dragstart', this.handleDragStart);
host.addEventListener('dragover', this.handleDragOver);
host.addEventListener('drop', this.handleDrop);
host.addEventListener('dragend', this.handleDragEnd);
}
}
});
</script>
<style>
.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);
}
body .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;
}
</style>
<!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="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.vue');
</script>
</head>
<body>
<div id="app">
</div>
</body>
</html>
export 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;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true
},
meta: {
'*.css': { loader: 'css' },
'*.vue': { loader: 'vue-loader' }
//'*.vue': { loader: 'systemjs-plugin-vue' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@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',
"@mescius/wijmo.vue2.chart.analytics": "npm:@mescius/wijmo.vue2.chart.analytics/index.js",
"@mescius/wijmo.vue2.chart.animation": "npm:@mescius/wijmo.vue2.chart.animation/index.js",
"@mescius/wijmo.vue2.chart.annotation": "npm:@mescius/wijmo.vue2.chart.annotation/index.js",
"@mescius/wijmo.vue2.chart.finance.analytics": "npm:@mescius/wijmo.vue2.chart.finance.analytics/index.js",
"@mescius/wijmo.vue2.chart.finance": "npm:@mescius/wijmo.vue2.chart.finance/index.js",
"@mescius/wijmo.vue2.chart.hierarchical": "npm:@mescius/wijmo.vue2.chart.hierarchical/index.js",
"@mescius/wijmo.vue2.chart.interaction": "npm:@mescius/wijmo.vue2.chart.interaction/index.js",
"@mescius/wijmo.vue2.chart.radar": "npm:@mescius/wijmo.vue2.chart.radar/index.js",
'@mescius/wijmo.vue2.chart.map': 'npm:@mescius/wijmo.vue2.chart.map/index.js',
"@mescius/wijmo.vue2.chart": "npm:@mescius/wijmo.vue2.chart/index.js",
"@mescius/wijmo.vue2.core": "npm:@mescius/wijmo.vue2.core/index.js",
"@mescius/wijmo.vue2.gauge": "npm:@mescius/wijmo.vue2.gauge/index.js",
"@mescius/wijmo.vue2.grid.detail": "npm:@mescius/wijmo.vue2.grid.detail/index.js",
"@mescius/wijmo.vue2.grid.filter": "npm:@mescius/wijmo.vue2.grid.filter/index.js",
"@mescius/wijmo.vue2.grid.grouppanel": "npm:@mescius/wijmo.vue2.grid.grouppanel/index.js",
'@mescius/wijmo.vue2.grid.search': 'npm:@mescius/wijmo.vue2.grid.search/index.js',
"@mescius/wijmo.vue2.grid.multirow": "npm:@mescius/wijmo.vue2.grid.multirow/index.js",
"@mescius/wijmo.vue2.grid.sheet": "npm:@mescius/wijmo.vue2.grid.sheet/index.js",
'@mescius/wijmo.vue2.grid.transposed': 'npm:@mescius/wijmo.vue2.grid.transposed/index.js',
'@mescius/wijmo.vue2.grid.transposedmultirow': 'npm:@mescius/wijmo.vue2.grid.transposedmultirow/index.js',
"@mescius/wijmo.vue2.grid": "npm:@mescius/wijmo.vue2.grid/index.js",
"@mescius/wijmo.vue2.input": "npm:@mescius/wijmo.vue2.input/index.js",
"@mescius/wijmo.vue2.olap": "npm:@mescius/wijmo.vue2.olap/index.js",
"@mescius/wijmo.vue2.viewer": "npm:@mescius/wijmo.vue2.viewer/index.js",
"@mescius/wijmo.vue2.nav": "npm:@mescius/wijmo.vue2.nav/index.js",
"@mescius/wijmo.vue2.base": "npm:@mescius/wijmo.vue2.base/index.js",
'@mescius/wijmo.vue2.barcode.common': 'npm:@mescius/wijmo.vue2.barcode.common/index.js',
'@mescius/wijmo.vue2.barcode.composite': 'npm:@mescius/wijmo.vue2.barcode.composite/index.js',
'@mescius/wijmo.vue2.barcode.specialized': 'npm:@mescius/wijmo.vue2.barcode.specialized/index.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'jszip': 'npm:jszip/dist/jszip.js',
'css': 'npm:systemjs-plugin-css/css.js',
'vue': 'npm:vue/dist/vue.min.js',
'vue-loader': 'npm:systemjs-vue-browser/index.js',
//'systemjs-plugin-vue': 'npm:systemjs-plugin-vue/index.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'
},
rxjs: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
wijmo: {
defaultExtension: 'js',
}
}
});
})(this);
