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<html>
<head>
<meta charset="utf-8">
<script src="esl.js"></script>
<script src="config.js"></script>
</head>
<body>
<style>
#main {
position: relative;
text-align: center;
}
.title {
display: block;
cursor: pointer;
text-decoration: none;
clear: both;
text-align: center;
margin: 0;
background: #eef;
line-height: 22px;
}
.block {
display: inline-block;
*display: inline;
*zoom: 1;
vertical-align: top;
margin: 30px 0 30px 50px;
}
.block .ec {
width: 800px;
height: 240px;
}
.block .info {
display: block;
text-align: left;
background: #eee;
border-radius: 3px;
font-size: 12px;
line-height: 18px;
padding: 0 5px;
}
.block .info td {
font-size: 12px;
border: 1px solid #bbb;
padding: 1px 3px;
}
strong {
color: red;
font-weight: bold;
font-size: 18px;
padding: 0 3px;
}
</style>
<div id="main"></div>
<script>
var echarts;
var zrUtil;
var charts = [];
var els = [];
require([
'echarts',
'zrender/core/util',
'echarts/chart/line',
'echarts/chart/scatter',
'echarts/component/legend',
'echarts/component/grid',
'echarts/component/tooltip',
'echarts/component/toolbox',
'echarts/component/dataZoom'
], function (ec, zu) {
echarts = ec;
zrUtil = zu;
renderTitle('Order sensitive in processing: no min/max on y (<strong>Try zooming y slider to check if normal</strong>)');
makeChart(getOption(
makeSpecialTrendData(),
{
xAxisType: 'value',
xStart: 15,
xEnd: 80,
yScale: true,
symbolSize: 5
}
), 500);
renderTitle('Order sensitive in processing: min/max set on y (<strong>Try zooming y slider to check if normal</strong>)');
makeChart(getOption(
makeSpecialTrendData(),
{
xAxisType: 'value',
xStart: 15,
xEnd: 80,
yScale: true,
symbolSize: 5,
yMin: 500,
yMax: 3000
}
), 500);
renderTitle('Order sensitive in processing: only max set on y and scale (<strong>Try zooming y slider to check if normal</strong>)');
makeChart(getOption(
makeSpecialTrendData(),
{
xAxisType: 'value',
xStart: 15,
xEnd: 80,
yScale: true,
symbolSize: 5,
yMax: 3000
}
), 500);
renderTitle('Order sensitive in processing: only max set on y and no scale (<strong>Try zooming y slider to check if normal</strong>)');
makeChart(getOption(
makeSpecialTrendData(),
{
xAxisType: 'value',
xStart: 15,
xEnd: 80,
yScale: false,
symbolSize: 5,
yMax: 3000
}
), 500);
});
function makeSpecialTrendData() {
var data = {data1: []};
var base = -100;
for (var i = 0; i < 50; i++) {
if (i < 10) {
data.data1.push([i * 10, base += 197 + random(3)]);
}
else if (i < 20) {
data.data1.push([i * 10, base -= 17 + random(3)]);
}
else if (i < 30) {
data.data1.push([i * 10, base += 3 + random(3)]);
}
else if (i < 40) {
data.data1.push([i * 10, base -= 5 + random(3)]);
}
else {
data.data1.push([i * 10, base += 157 + random(3)]);
}
}
return data;
}
function renderTitle(label) {
var containerEl = document.getElementById('main');
var el = document.createElement('a');
el.className = 'title';
var html = label; // label is html
el.innerHTML = html;
el.href = '#' + html.replace(/\s/g, '_');
el.name = html.replace(/\s/g, '_');
containerEl.appendChild(el);
}
function makeChart(opt, height) {
var heightStyle = height ? ' style="height:' + height + 'px;" ' : '';
var containerEl = document.getElementById('main');
var el = document.createElement('div');
el.className = 'block';
el.innerHTML = '<div ' + heightStyle + ' class="ec"></div><div class="info"></div>';
containerEl.appendChild(el);
var chart = echarts.init(el.firstChild, null, {renderer: 'canvas'});
chart.setOption(opt);
charts.push(chart);
els.push(el);
chart.on('dataZoom', zrUtil.curry(renderProp, chart, el, false));
renderProp(chart, el, true);
}
function renderProp(chart, el, isInit) {
var resultOpt = chart.getOption();
var dataZoomOpt = zrUtil.map(resultOpt.dataZoom, function (rawOpt) {
return ''
+ '<tr>'
+ '<td>name:</td><td>' + encodeHTML(rawOpt.name) + '</td>'
+ '<td>start:</td><td>' + encodeHTML(rawOpt.start) + '</td>'
+ '<td>end:</td><td>' + encodeHTML(rawOpt.end) + '</td>'
+ '<td>startValue:</td><td>' + encodeHTML(rawOpt.startValue) + '</td>'
+ '<td>endValue:</td><td>' + encodeHTML(rawOpt.endValue) + '</td>'
+ '</tr>';
});
el.lastChild.innerHTML = ''
+ (isInit ? 'ON_INIT: ' : 'ON_EVENT: ') + '<br>'
+ '<table><tbody>' + dataZoomOpt.join('') + '</tbody></table>';
}
function encodeHTML(source) {
return source == null
? ''
: String(source)
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/"/g, '"')
.replace(/'/g, ''');
}
function random(max) {
return +(Math.random() * max).toFixed(3);
};
function getOption(data, args) {
args = zrUtil.defaults(
args || {},
{
symbol: null,
xStart: 1,
xEnd: 5,
yStart: 0,
yEnd: 100,
yFitlerMode: 'empty',
symbolSize: 10
}
);
var option = {
animation: false,
legend: {
data: ['n1', 'n2']
},
toolbox: {
feature: {
dataView: {},
dataZoom: {show: true},
restore: {show: true},
saveAsImage: {}
}
},
tooltip: {
trigger: 'axis'
},
xAxis: {
type: args.xAxisType,
splitLine: {
show: true
},
data: args.xAxisData
},
yAxis: {
scale: args.yScale,
type: 'value',
min: args.yMin,
max: args.yMax,
splitLine: {
show: true
}
},
dataZoom: [
{
id: 'xSlider',
name: 'xSlider',
show: true,
filterMode: args.xFilterMode,
xAxisIndex: [0],
start: args.xStart,
end: args.xEnd
},
{
name: 'ySlider',
show: true,
filterMode: args.yFitlerMode,
yAxisIndex: [0],
start: args.yStart,
end: args.yEnd
},
{
name: 'xInside',
type: 'inside',
filterMode: args.xFilterMode,
xAxisIndex: [0],
start: args.xStart,
end: args.xEnd
},
{
name: 'yInside',
type: 'inside',
filterMode: args.yFilterMode,
yAxisIndex: [0],
start: args.yStart,
end: args.yEnd
}
],
series: [
{
name: 'n1',
type: 'line',
symbolSize: args.symbolSize,
symbol: args.symbol,
data: data.data1
},
{
name: 'n2',
type: 'line',
symbol: args.symbol,
symbolSize: args.symbolSize,
data: data.data2
}
]
};
if (!data.data2) {
option.series.splice(1, 1);
}
return option;
}
</script>
</body>
</html>