Stock Index

This example shows how you can add a single row at the column header row, which is useful for display things like charts that are always on top of data. By default, Spread.Views shows individual header rows in each column header. When you set the separateColumn property to false, Spread.Views shows one header row entry instead of individual ones. In this demo, not having separate columns in the column headers allows the developer to display a chart that is always at the top of the data, even when scrolling. This can also be extended to other types of data at the top of the grid.

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<title>Stock Index | Features | MESCIUS DataViewsJS JavaScript Demos</title>
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var stockChart;
var cols = [
{
id: 'date',
caption: 'Date',
dataField: 'date',
},
{
id: 'open',
caption: 'Open',
dataField: 'open',
},
{
id: 'close',
caption: 'Close',
dataField: 'close',
},
{
id: 'low',
caption: 'Low',
dataField: 'low',
},
{
id: 'high',
caption: 'High',
dataField: 'high',
},
];
var dataView = new GC.DataViews.DataView(
document.getElementById('grid'),
data,
cols,
new GC.DataViews.GridLayout({
headerRow: {
visible: true,
height: 250,
separateColumn: false,
renderer: '<div id="stockWrapper" style="widht:100%;height:100%;"></div>',
},
})
); // focus data.view by default
document.getElementById('grid').focus();
dataView.columnChanged.addHandler(function (e) {
if (e.type === 'resized') {
stockChart.resize();
}
});
var data0 = splitData(data);
var chartOptions = {
title: {
text: 'STOCK INDEX',
left: 'center',
},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'line',
},
},
grid: {
left: '5%',
right: '5%',
bottom: '15%',
},
xAxis: {
type: 'category',
data: data0.categoryData,
scale: true,
boundaryGap: false,
axisLine: {
onZero: false,
},
splitLine: {
show: false,
},
splitNumber: 20,
min: 'dataMin',
max: 'dataMax',
},
yAxis: {
scale: true,
splitArea: {
show: true,
},
},
dataZoom: [
{
type: 'inside',
start: 50,
end: 100,
},
{
show: true,
type: 'slider',
y: '90%',
start: 50,
end: 100,
},
],
series: [
{
name: 'STOCK INDEX',
type: 'candlestick',
data: data0.values,
},
],
};
stockChart = echarts.init(document.getElementById('stockWrapper'));
stockChart.setOption(chartOptions);

var data = [
{
date: '2018/1/24',
open: 2320.26,
close: 2320.26,
low: 2287.3,
high: 2362.94,
},
{
date: '2018/1/25',
open: 2300,
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high: 2308.38,
},
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date: '2018/1/28',
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close: 2346.5,
low: 2295.35,
high: 2346.92,
},
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open: 2347.22,
close: 2358.98,
low: 2337.35,
high: 2363.8,
},
{
date: '2018/1/30',
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high: 2383.76,
},
{
date: '2018/1/31',
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close: 2385.42,
low: 2371.23,
high: 2391.82,
},
{
date: '2018/2/1',
open: 2377.41,
close: 2419.02,
low: 2369.57,
high: 2421.15,
},
{
date: '2018/2/4',
open: 2425.92,
close: 2428.15,
low: 2417.58,
high: 2440.38,
},
{
date: '2018/2/5',
open: 2411,
close: 2433.13,
low: 2403.3,
high: 2437.42,
},
{
date: '2018/2/6',
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high: 2441.73,
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open: 2430.69,
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{
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{
date: '2018/2/21',
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low: 2309.17,
high: 2378.82,
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{
date: '2018/2/22',
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date: '2018/2/25',
open: 2320.62,
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date: '2018/2/26',
open: 2313.74,
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high: 2340.71,
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high: 2324.63,
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high: 2351.44,
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date: '2018/3/7',
open: 2340.44,
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open: 2314.68,
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high: 2286.33,
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close: 2278.4,
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{
date: '2018/3/18',
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{
date: '2018/3/19',
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high: 2261.31,
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{
date: '2018/3/20',
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date: '2018/3/21',
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high: 2332,
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close: 2297.67,
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date: '2018/4/9',
open: 2215.47,
close: 2225.77,
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date: '2018/4/18',
open: 2181.82,
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high: 2206.03,
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date: '2018/4/19',
open: 2201.12,
close: 2244.64,
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high: 2250.11,
},
{
date: '2018/4/22',
open: 2236.4,
close: 2242.17,
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{
date: '2018/4/23',
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high: 2224.63,
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high: 2210.58,
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{
date: '2018/5/2',
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high: 2179.65,
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date: '2018/5/13',
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high: 2250.85,
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date: '2018/5/14',
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close: 2217.01,
low: 2205.87,
high: 2239.93,
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date: '2018/5/15',
open: 2217.09,
close: 2224.8,
low: 2213.58,
high: 2225.19,
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{
date: '2018/5/16',
open: 2221.34,
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high: 2252.87,
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date: '2018/5/17',
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high: 2288.09,
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date: '2018/5/20',
open: 2286.33,
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high: 2309.39,
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date: '2018/5/21',
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high: 2305.3,
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{
date: '2018/5/22',
open: 2303.75,
close: 2302.4,
low: 2292.43,
high: 2314.18,
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{
date: '2018/5/23',
open: 2293.81,
close: 2275.67,
low: 2274.1,
high: 2304.95,
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{
date: '2018/5/24',
open: 2281.45,
close: 2288.53,
low: 2270.25,
high: 2292.59,
},
{
date: '2018/5/27',
open: 2286.66,
close: 2293.08,
low: 2283.94,
high: 2301.7,
},
{
date: '2018/5/28',
open: 2293.4,
close: 2321.32,
low: 2281.47,
high: 2322.1,
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{
date: '2018/5/29',
open: 2323.54,
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low: 2321.17,
high: 2334.33,
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{
date: '2018/5/30',
open: 2316.25,
close: 2317.75,
low: 2310.49,
high: 2325.72,
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{
date: '2018/5/31',
open: 2320.74,
close: 2300.59,
low: 2299.37,
high: 2325.53,
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{
date: '2018/6/3',
open: 2300.21,
close: 2299.25,
low: 2294.11,
high: 2313.43,
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date: '2018/6/4',
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close: 2272.42,
low: 2264.76,
high: 2297.1,
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{
date: '2018/6/5',
open: 2270.71,
close: 2270.93,
low: 2260.87,
high: 2276.86,
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date: '2018/6/6',
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high: 2266.69,
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date: '2018/6/7',
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low: 2205.07,
high: 2250.63,
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{
date: '2018/6/13',
open: 2190.1,
close: 2148.35,
low: 2126.22,
high: 2190.1,
},
];
var splitData = function splitData(data) {
var categoryData = [];
var values = [];
for (var i = 0; i < data.length; i++) {
var tempData = _.map(data[i], _.identity);
categoryData.push(tempData.splice(0, 1)[0]);
values.push(tempData);
}
return {
categoryData: categoryData,
values: values,
};
};

.gc-header-row-cell {
padding: 4px;
}
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