define(function (require) {
var AxisBuilder = require('../axis/AxisBuilder');
var zrUtil = require('zrender/core/util');
var graphic = require('../../util/graphic');
var axisBuilderAttrs = [
'axisLine', 'axisLabel', 'axisTick', 'axisName'
];
return require('../../echarts').extendComponentView({
type: 'radar',
render: function (radarModel, ecModel, api) {
var group = this.group;
group.removeAll();
this._buildAxes(radarModel);
this._buildSplitLineAndArea(radarModel);
},
_buildAxes: function (radarModel) {
var radar = radarModel.coordinateSystem;
var indicatorAxes = radar.getIndicatorAxes();
var axisBuilders = zrUtil.map(indicatorAxes, function (indicatorAxis) {
var axisBuilder = new AxisBuilder(indicatorAxis.model, {
position: [radar.cx, radar.cy],
rotation: indicatorAxis.angle,
labelDirection: -1,
tickDirection: -1,
nameDirection: 1
});
return axisBuilder;
});
zrUtil.each(axisBuilders, function (axisBuilder) {
zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);
this.group.add(axisBuilder.getGroup());
}, this);
},
_buildSplitLineAndArea: function (radarModel) {
var radar = radarModel.coordinateSystem;
var splitNumber = radarModel.get('splitNumber');
var indicatorAxes = radar.getIndicatorAxes();
if (!indicatorAxes.length) {
return;
}
var shape = radarModel.get('shape');
var splitLineModel = radarModel.getModel('splitLine');
var splitAreaModel = radarModel.getModel('splitArea');
var lineStyleModel = splitLineModel.getModel('lineStyle');
var areaStyleModel = splitAreaModel.getModel('areaStyle');
var showSplitLine = splitLineModel.get('show');
var showSplitArea = splitAreaModel.get('show');
var splitLineColors = lineStyleModel.get('color');
var splitAreaColors = areaStyleModel.get('color');
splitLineColors = zrUtil.isArray(splitLineColors) ? splitLineColors : [splitLineColors];
splitAreaColors = zrUtil.isArray(splitAreaColors) ? splitAreaColors : [splitAreaColors];
var splitLines = [];
var splitAreas = [];
function getColorIndex(areaOrLine, areaOrLineColorList, idx) {
var colorIndex = idx % areaOrLineColorList.length;
areaOrLine[colorIndex] = areaOrLine[colorIndex] || [];
return colorIndex;
}
if (shape === 'circle') {
var ticksRadius = indicatorAxes[0].getTicksCoords();
var cx = radar.cx;
var cy = radar.cy;
for (var i = 0; i < ticksRadius.length; i++) {
if (showSplitLine) {
var colorIndex = getColorIndex(splitLines, splitLineColors, i);
splitLines[colorIndex].push(new graphic.Circle({
shape: {
cx: cx,
cy: cy,
r: ticksRadius[i]
}
}));
}
if (showSplitArea && i < ticksRadius.length - 1) {
var colorIndex = getColorIndex(splitAreas, splitAreaColors, i);
splitAreas[colorIndex].push(new graphic.Ring({
shape: {
cx: cx,
cy: cy,
r0: ticksRadius[i],
r: ticksRadius[i + 1]
}
}));
}
}
}
// Polyyon
else {
var axesTicksPoints = zrUtil.map(indicatorAxes, function (indicatorAxis, idx) {
var ticksCoords = indicatorAxis.getTicksCoords();
return zrUtil.map(ticksCoords, function (tickCoord) {
return radar.coordToPoint(tickCoord, idx);
});
});
var prevPoints = [];
for (var i = 0; i <= splitNumber; i++) {
var points = [];
for (var j = 0; j < indicatorAxes.length; j++) {
points.push(axesTicksPoints[j][i]);
}
// Close
points.push(points[0].slice());
if (showSplitLine) {
var colorIndex = getColorIndex(splitLines, splitLineColors, i);
splitLines[colorIndex].push(new graphic.Polyline({
shape: {
points: points
}
}));
}
if (showSplitArea && prevPoints) {
var colorIndex = getColorIndex(splitAreas, splitAreaColors, i - 1);
splitAreas[colorIndex].push(new graphic.Polygon({
shape: {
points: points.concat(prevPoints)
}
}));
}
prevPoints = points.slice().reverse();
}
}
var lineStyle = lineStyleModel.getLineStyle();
var areaStyle = areaStyleModel.getAreaStyle();
// Add splitArea before splitLine
zrUtil.each(splitAreas, function (splitAreas, idx) {
this.group.add(graphic.mergePath(
splitAreas, {
style: zrUtil.defaults({
stroke: 'none',
fill: splitAreaColors[idx % splitAreaColors.length]
}, areaStyle),
silent: true
}
));
}, this);
zrUtil.each(splitLines, function (splitLines, idx) {
this.group.add(graphic.mergePath(
splitLines, {
style: zrUtil.defaults({
fill: 'none',
stroke: splitLineColors[idx % splitLineColors.length]
}, lineStyle),
silent: true
}
));
}, this);
}
});
});
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