<template>
<div class="container-fluid">
<wj-flex-grid
:initialized="initializeGrid"
:itemsSource="data">
</wj-flex-grid>
<p>
The grid now has <span id='rowCount'>{{rowCount}}</span> rows and
<span id='cellCount'>{{cellCount}}</span> cell elements.
</p>
</div>
</template>
<script>
import "@mescius/wijmo.styles/wijmo.css";
import "bootstrap.css";
import Vue from "vue";
import * as wjcGrid from '@mescius/wijmo.grid';
import '@mescius/wijmo.vue2.grid';
import '@mescius/wijmo.vue2.input';
import { getData } from './data';
new Vue({
el: "#app",
data: {
data: getData(100),
rowCount: 0,
cellCount: 0
},
methods:{
initializeGrid(flex){
this.rowCount = flex.rows.length;
this.cellCount = flex.hostElement.querySelectorAll('.wj-cell').length;
flex.updatedView.addHandler((s) => {
this.rowCount = s.rows.length;
this.cellCount = s.hostElement.querySelectorAll('.wj-cell').length;
});
flex.scrollPositionChanged.addHandler((s) => {
// if we're close to the bottom, add 20 items
if (s.viewRange.bottomRow >= s.rows.length - 1) {
let view = s.collectionView;
let index = view.currentPosition; // keep position in case the view is sorted
this._addData(this.data, 20);
view.refresh();
view.currentPosition = index;
}
});
},
_addData(data, cnt) {
let more = getData(cnt, data.length);
for (let i = 0; i < more.length; i++) {
data.push(more[i])
}
}
}
});
</script>
<style>
.wj-flexgrid {
height: 250px;
}
#rowCount, #cellCount {
font-weight: bold;
}
body {
margin-bottom: 24pt;
}
</style>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo FlexGrid Scroll Virtualization</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(cnt, start) {
let data = [];
let countries = 'USA,Germany,UK,Japan,Italy,Greece'.split(',');
if (!start) start = 0;
for (let i = 0; i < cnt; i++) {
data.push({
id: i + start,
country: countries[i % countries.length],
date: new Date(2014, i % 12, i % 28),
amount: Math.random() * 10000,
active: i % 4 === 0
});
}
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);
