72 lines
1.8 KiB
Java
72 lines
1.8 KiB
Java
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function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
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var isArray = require('@antv/util/lib/type/is-array');
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var isNil = require('@antv/util/lib/type/is-nil');
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var Adjust = require('./base');
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var Stack =
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/*#__PURE__*/
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function (_Adjust) {
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_inheritsLoose(Stack, _Adjust);
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function Stack() {
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return _Adjust.apply(this, arguments) || this;
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}
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var _proto = Stack.prototype;
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_proto._initDefaultCfg = function _initDefaultCfg() {
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this.xField = null; // 调整对应的 x 方向对应的字段名称
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this.yField = null; // 调整对应的 y 方向对应的字段名称
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};
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_proto.processAdjust = function processAdjust(dataArray) {
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this.processStack(dataArray);
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};
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_proto.processStack = function processStack(dataArray) {
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var self = this;
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var xField = self.xField;
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var yField = self.yField;
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var count = dataArray.length;
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var stackCache = {
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positive: {},
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negative: {}
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}; // 层叠顺序翻转
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if (self.reverseOrder) {
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dataArray = dataArray.slice(0).reverse();
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}
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for (var i = 0; i < count; i++) {
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var data = dataArray[i];
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for (var j = 0, len = data.length; j < len; j++) {
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var item = data[j];
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var x = item[xField] || 0;
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var y = item[yField];
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var xkey = x.toString();
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y = isArray(y) ? y[1] : y;
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if (!isNil(y)) {
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var direction = y >= 0 ? 'positive' : 'negative';
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if (!stackCache[direction][xkey]) {
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stackCache[direction][xkey] = 0;
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}
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item[yField] = [stackCache[direction][xkey], y + stackCache[direction][xkey]];
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stackCache[direction][xkey] += y;
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}
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}
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}
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};
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return Stack;
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}(Adjust);
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Adjust.Stack = Stack;
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module.exports = Stack;
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