echarts
Version:
A powerful charting and visualization library for browser
195 lines (184 loc) • 8.92 kB
JavaScript
// Backward compat for radar chart in 2
var zrUtil = require('zrender/lib/core/util');
var IntervalScale = require('../../scale/Interval');
var isArray = zrUtil.isArray;
var each = zrUtil.each;
var filter = zrUtil.filter;
module.exports = function (option) {
var polarOptList = option.polar;
var radiusAxisOptList = option.radiusAxis;
var angleAxisOptList = option.angleAxis;
var radarSeries = filter(option.series, function (seriesOpt) {
return seriesOpt.type === 'radar';
}) || [];
if (polarOptList && radarSeries.length) {
if (!isArray(polarOptList)) {
polarOptList = [polarOptList];
}
// In 2.0 there is no radiusAxis and angleAxis
if (!radiusAxisOptList) {
radiusAxisOptList = option.radiusAxis = [];
}
else if (!isArray(radiusAxisOptList)) {
radiusAxisOptList = [radiusAxisOptList];
}
if (!angleAxisOptList) {
angleAxisOptList = option.angleAxis = [];
}
else if (!isArray(angleAxisOptList)) {
angleAxisOptList = [angleAxisOptList];
}
each(polarOptList, function (polarOpt, idx) {
// Is 2.0 version
if (polarOpt.indicator) {
var indicators = zrUtil.map(polarOpt.indicator, function (indicator) {
var min = indicator.min;
var max = indicator.max;
if (max != null && max >= 0) {
min = 0;
}
return {
name: indicator.text,
min: min,
max: max
};
});
var radiusAxisOpt = zrUtil.find(radiusAxisOptList, function (radiusAxisOpt) {
return (radiusAxisOpt.polarIndex || 0) === idx;
});
var angleAxisOpt = zrUtil.find(angleAxisOptList, function (angleAxisOpt) {
return (angleAxisOpt.polarIndex || 0) === idx;
});
if (!radiusAxisOpt) {
radiusAxisOpt = {
type: 'value',
polarIndex: idx
};
radiusAxisOptList.push(radiusAxisOpt);
}
if (!angleAxisOpt) {
angleAxisOpt = {
type: 'category',
polarIndex: idx
};
angleAxisOptList.push(angleAxisOpt);
}
angleAxisOpt.data = zrUtil.map(polarOpt.indicator, function (indicator) {
var obj = {
value: indicator.text
};
var axisLabel = indicator.axisLabel;
if (axisLabel && axisLabel.textStyle) {
obj.textStyle = axisLabel.textStyle;
}
return obj;
});
angleAxisOpt.startAngle = polarOpt.startAngle || 90;
// axisLine in 2.0 is same like splitLine of angleAxis
if (polarOpt.axisLine) {
angleAxisOpt.splitLine = polarOpt.axisLine;
}
if (polarOpt.axisLabel) {
angleAxisOpt.axisLabel = polarOpt.axisLabel;
}
// splitLine in 2.0 is same with splitLine of radiusAxis
if (polarOpt.splitLine) {
radiusAxisOpt.splitLine = polarOpt.splitLine;
}
if (polarOpt.splitArea) {
radiusAxisOpt.splitArea = polarOpt.splitArea;
}
// Default show splitLine and splitArea
radiusAxisOpt.splitLine = radiusAxisOpt.splitLine || {};
radiusAxisOpt.splitArea = radiusAxisOpt.splitArea || {};
if (radiusAxisOpt.splitLine.show == null) {
radiusAxisOpt.splitLine.show = true;
}
if (radiusAxisOpt.splitArea.show == null) {
radiusAxisOpt.splitArea.show = true;
}
angleAxisOpt.boundaryGap = false;
// indicators will be normalized to 0 - 1
radiusAxisOpt.min = 0;
radiusAxisOpt.max = 1;
radiusAxisOpt.interval = 1 / (polarOpt.splitNumber || 5);
radiusAxisOpt.axisLine = {
show: false
};
radiusAxisOpt.axisLabel = {
show: false
};
radiusAxisOpt.axisTick = {
show: false
};
var radarSeriesOfSamePolar = filter(radarSeries, function (seriesOpt) {
return (seriesOpt.polarIndex || 0) === idx;
});
var dataGroupPyIndicator = zrUtil.map(indicators, function () {
return [];
});
// Find polar use current polarOpt
each(radarSeriesOfSamePolar, function (seriesOpt) {
seriesOpt.indicator = indicators;
// Data format in 2.0 radar is strange, like following
// data : [
// {
// value : [4300, 10000, 28000, 35000, 50000, 19000],
// name : '预算分配（Allocated Budget）'
// },
// {
// value : [5000, 14000, 28000, 31000, 42000, 21000],
// name : '实际开销（Actual Spending）'
// }
// ]
// Convert them to series
if (
seriesOpt.data[0] && zrUtil.isArray(seriesOpt.data[0].value)
) {
var dataList = seriesOpt.data;
var dataOpt = dataList[0];
seriesOpt.data = dataOpt.value;
seriesOpt.name = dataOpt.name;
for (var i = 1; i < dataList.length; i++) {
var dataOpt = dataList[i];
var newSeriesOpt = zrUtil.clone(seriesOpt);
option.series.push(zrUtil.extend(newSeriesOpt, {
name: dataOpt.name,
data: dataOpt.value,
indicator: indicators
}));
}
for (var i = 0; i < dataOpt.value.length; i++) {
for (var j = 0; j < dataList.length; j++) {
dataGroupPyIndicator[i].push(dataList[j].value[i]);
}
}
}
});
// Calculate min, max of each indicator from data
each(dataGroupPyIndicator, function (valuePerIndicator, idx) {
var intervalScale = new IntervalScale();
var min = Infinity;
var max = -Infinity;
var len = valuePerIndicator.length;
if (!len) {
return;
}
for (var i = 0; i < len; i++) {
min = Math.min(min, valuePerIndicator[i]);
max = Math.max(max, valuePerIndicator[i]);
}
intervalScale.setExtent(min, max);
intervalScale.niceExtent(polarOpt.splitNumber || 5);
var intervalExtent = intervalScale.getExtent();
if (indicators[idx].min == null) {
indicators[idx].min = intervalExtent[0];
}
if (indicators[idx].max == null) {
indicators[idx].max = intervalExtent[1];
}
});
}
});
}
};