540 lines
16 KiB
JavaScript
540 lines
16 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var _config = require("../../config");
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var __DEV__ = _config.__DEV__;
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var zrUtil = require("zrender/lib/core/util");
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var VisualMapModel = require("./VisualMapModel");
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var VisualMapping = require("../../visual/VisualMapping");
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var visualDefault = require("../../visual/visualDefault");
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var _number = require("../../util/number");
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var reformIntervals = _number.reformIntervals;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var PiecewiseModel = VisualMapModel.extend({
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type: 'visualMap.piecewise',
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/**
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* Order Rule:
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*
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* option.categories / option.pieces / option.text / option.selected:
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* If !option.inverse,
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* Order when vertical: ['top', ..., 'bottom'].
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* Order when horizontal: ['left', ..., 'right'].
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* If option.inverse, the meaning of
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* the order should be reversed.
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*
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* this._pieceList:
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* The order is always [low, ..., high].
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*
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* Mapping from location to low-high:
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* If !option.inverse
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* When vertical, top is high.
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* When horizontal, right is high.
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* If option.inverse, reverse.
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*/
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/**
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* @protected
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*/
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defaultOption: {
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selected: null,
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// Object. If not specified, means selected.
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// When pieces and splitNumber: {'0': true, '5': true}
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// When categories: {'cate1': false, 'cate3': true}
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// When selected === false, means all unselected.
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minOpen: false,
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// Whether include values that smaller than `min`.
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maxOpen: false,
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// Whether include values that bigger than `max`.
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align: 'auto',
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// 'auto', 'left', 'right'
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itemWidth: 20,
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// When put the controller vertically, it is the length of
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// horizontal side of each item. Otherwise, vertical side.
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itemHeight: 14,
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// When put the controller vertically, it is the length of
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// vertical side of each item. Otherwise, horizontal side.
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itemSymbol: 'roundRect',
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pieceList: null,
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// Each item is Object, with some of those attrs:
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// {min, max, lt, gt, lte, gte, value,
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// color, colorSaturation, colorAlpha, opacity,
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// symbol, symbolSize}, which customize the range or visual
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// coding of the certain piece. Besides, see "Order Rule".
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categories: null,
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// category names, like: ['some1', 'some2', 'some3'].
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// Attr min/max are ignored when categories set. See "Order Rule"
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splitNumber: 5,
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// If set to 5, auto split five pieces equally.
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// If set to 0 and component type not set, component type will be
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// determined as "continuous". (It is less reasonable but for ec2
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// compatibility, see echarts/component/visualMap/typeDefaulter)
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selectedMode: 'multiple',
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// Can be 'multiple' or 'single'.
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itemGap: 10,
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// The gap between two items, in px.
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hoverLink: true,
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// Enable hover highlight.
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showLabel: null // By default, when text is used, label will hide (the logic
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// is remained for compatibility reason)
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},
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/**
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* @override
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*/
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optionUpdated: function (newOption, isInit) {
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PiecewiseModel.superApply(this, 'optionUpdated', arguments);
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/**
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* The order is always [low, ..., high].
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* [{text: string, interval: Array.<number>}, ...]
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* @private
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* @type {Array.<Object>}
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*/
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this._pieceList = [];
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this.resetExtent();
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/**
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* 'pieces', 'categories', 'splitNumber'
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* @type {string}
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*/
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var mode = this._mode = this._determineMode();
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resetMethods[this._mode].call(this);
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this._resetSelected(newOption, isInit);
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var categories = this.option.categories;
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this.resetVisual(function (mappingOption, state) {
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if (mode === 'categories') {
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mappingOption.mappingMethod = 'category';
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mappingOption.categories = zrUtil.clone(categories);
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} else {
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mappingOption.dataExtent = this.getExtent();
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mappingOption.mappingMethod = 'piecewise';
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mappingOption.pieceList = zrUtil.map(this._pieceList, function (piece) {
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var piece = zrUtil.clone(piece);
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if (state !== 'inRange') {
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// FIXME
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// outOfRange do not support special visual in pieces.
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piece.visual = null;
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}
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return piece;
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});
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}
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});
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},
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/**
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* @protected
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* @override
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*/
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completeVisualOption: function () {
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// Consider this case:
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// visualMap: {
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// pieces: [{symbol: 'circle', lt: 0}, {symbol: 'rect', gte: 0}]
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// }
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// where no inRange/outOfRange set but only pieces. So we should make
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// default inRange/outOfRange for this case, otherwise visuals that only
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// appear in `pieces` will not be taken into account in visual encoding.
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var option = this.option;
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var visualTypesInPieces = {};
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var visualTypes = VisualMapping.listVisualTypes();
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var isCategory = this.isCategory();
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zrUtil.each(option.pieces, function (piece) {
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zrUtil.each(visualTypes, function (visualType) {
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if (piece.hasOwnProperty(visualType)) {
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visualTypesInPieces[visualType] = 1;
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}
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});
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});
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zrUtil.each(visualTypesInPieces, function (v, visualType) {
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var exists = 0;
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zrUtil.each(this.stateList, function (state) {
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exists |= has(option, state, visualType) || has(option.target, state, visualType);
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}, this);
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!exists && zrUtil.each(this.stateList, function (state) {
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(option[state] || (option[state] = {}))[visualType] = visualDefault.get(visualType, state === 'inRange' ? 'active' : 'inactive', isCategory);
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});
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}, this);
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function has(obj, state, visualType) {
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return obj && obj[state] && (zrUtil.isObject(obj[state]) ? obj[state].hasOwnProperty(visualType) : obj[state] === visualType // e.g., inRange: 'symbol'
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);
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}
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VisualMapModel.prototype.completeVisualOption.apply(this, arguments);
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},
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_resetSelected: function (newOption, isInit) {
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var thisOption = this.option;
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var pieceList = this._pieceList; // Selected do not merge but all override.
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var selected = (isInit ? thisOption : newOption).selected || {};
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thisOption.selected = selected; // Consider 'not specified' means true.
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zrUtil.each(pieceList, function (piece, index) {
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var key = this.getSelectedMapKey(piece);
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if (!selected.hasOwnProperty(key)) {
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selected[key] = true;
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}
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}, this);
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if (thisOption.selectedMode === 'single') {
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// Ensure there is only one selected.
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var hasSel = false;
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zrUtil.each(pieceList, function (piece, index) {
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var key = this.getSelectedMapKey(piece);
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if (selected[key]) {
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hasSel ? selected[key] = false : hasSel = true;
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}
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}, this);
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} // thisOption.selectedMode === 'multiple', default: all selected.
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},
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/**
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* @public
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*/
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getSelectedMapKey: function (piece) {
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return this._mode === 'categories' ? piece.value + '' : piece.index + '';
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},
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/**
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* @public
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*/
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getPieceList: function () {
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return this._pieceList;
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},
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/**
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* @private
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* @return {string}
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*/
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_determineMode: function () {
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var option = this.option;
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return option.pieces && option.pieces.length > 0 ? 'pieces' : this.option.categories ? 'categories' : 'splitNumber';
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},
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/**
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* @public
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* @override
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*/
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setSelected: function (selected) {
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this.option.selected = zrUtil.clone(selected);
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},
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/**
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* @public
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* @override
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*/
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getValueState: function (value) {
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var index = VisualMapping.findPieceIndex(value, this._pieceList);
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return index != null ? this.option.selected[this.getSelectedMapKey(this._pieceList[index])] ? 'inRange' : 'outOfRange' : 'outOfRange';
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},
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/**
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* @public
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* @params {number} pieceIndex piece index in visualMapModel.getPieceList()
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* @return {Array.<Object>} [{seriesId, dataIndex: <Array.<number>>}, ...]
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*/
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findTargetDataIndices: function (pieceIndex) {
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var result = [];
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this.eachTargetSeries(function (seriesModel) {
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var dataIndices = [];
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var data = seriesModel.getData();
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data.each(this.getDataDimension(data), function (value, dataIndex) {
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// Should always base on model pieceList, because it is order sensitive.
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var pIdx = VisualMapping.findPieceIndex(value, this._pieceList);
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pIdx === pieceIndex && dataIndices.push(dataIndex);
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}, this);
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result.push({
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seriesId: seriesModel.id,
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dataIndex: dataIndices
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});
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}, this);
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return result;
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},
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/**
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* @private
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* @param {Object} piece piece.value or piece.interval is required.
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* @return {number} Can be Infinity or -Infinity
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*/
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getRepresentValue: function (piece) {
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var representValue;
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if (this.isCategory()) {
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representValue = piece.value;
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} else {
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if (piece.value != null) {
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representValue = piece.value;
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} else {
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var pieceInterval = piece.interval || [];
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representValue = pieceInterval[0] === -Infinity && pieceInterval[1] === Infinity ? 0 : (pieceInterval[0] + pieceInterval[1]) / 2;
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}
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}
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return representValue;
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},
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getVisualMeta: function (getColorVisual) {
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// Do not support category. (category axis is ordinal, numerical)
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if (this.isCategory()) {
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return;
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}
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var stops = [];
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var outerColors = [];
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var visualMapModel = this;
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function setStop(interval, valueState) {
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var representValue = visualMapModel.getRepresentValue({
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interval: interval
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});
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if (!valueState) {
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valueState = visualMapModel.getValueState(representValue);
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}
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var color = getColorVisual(representValue, valueState);
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if (interval[0] === -Infinity) {
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outerColors[0] = color;
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} else if (interval[1] === Infinity) {
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outerColors[1] = color;
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} else {
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stops.push({
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value: interval[0],
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color: color
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}, {
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value: interval[1],
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color: color
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});
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}
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} // Suplement
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var pieceList = this._pieceList.slice();
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if (!pieceList.length) {
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pieceList.push({
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interval: [-Infinity, Infinity]
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});
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} else {
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var edge = pieceList[0].interval[0];
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|||
|
|
edge !== -Infinity && pieceList.unshift({
|
|||
|
|
interval: [-Infinity, edge]
|
|||
|
|
});
|
|||
|
|
edge = pieceList[pieceList.length - 1].interval[1];
|
|||
|
|
edge !== Infinity && pieceList.push({
|
|||
|
|
interval: [edge, Infinity]
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var curr = -Infinity;
|
|||
|
|
zrUtil.each(pieceList, function (piece) {
|
|||
|
|
var interval = piece.interval;
|
|||
|
|
|
|||
|
|
if (interval) {
|
|||
|
|
// Fulfill gap.
|
|||
|
|
interval[0] > curr && setStop([curr, interval[0]], 'outOfRange');
|
|||
|
|
setStop(interval.slice());
|
|||
|
|
curr = interval[1];
|
|||
|
|
}
|
|||
|
|
}, this);
|
|||
|
|
return {
|
|||
|
|
stops: stops,
|
|||
|
|
outerColors: outerColors
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
/**
|
|||
|
|
* Key is this._mode
|
|||
|
|
* @type {Object}
|
|||
|
|
* @this {module:echarts/component/viusalMap/PiecewiseMode}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
var resetMethods = {
|
|||
|
|
splitNumber: function () {
|
|||
|
|
var thisOption = this.option;
|
|||
|
|
var pieceList = this._pieceList;
|
|||
|
|
var precision = Math.min(thisOption.precision, 20);
|
|||
|
|
var dataExtent = this.getExtent();
|
|||
|
|
var splitNumber = thisOption.splitNumber;
|
|||
|
|
splitNumber = Math.max(parseInt(splitNumber, 10), 1);
|
|||
|
|
thisOption.splitNumber = splitNumber;
|
|||
|
|
var splitStep = (dataExtent[1] - dataExtent[0]) / splitNumber; // Precision auto-adaption
|
|||
|
|
|
|||
|
|
while (+splitStep.toFixed(precision) !== splitStep && precision < 5) {
|
|||
|
|
precision++;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
thisOption.precision = precision;
|
|||
|
|
splitStep = +splitStep.toFixed(precision);
|
|||
|
|
|
|||
|
|
if (thisOption.minOpen) {
|
|||
|
|
pieceList.push({
|
|||
|
|
interval: [-Infinity, dataExtent[0]],
|
|||
|
|
close: [0, 0]
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (var index = 0, curr = dataExtent[0]; index < splitNumber; curr += splitStep, index++) {
|
|||
|
|
var max = index === splitNumber - 1 ? dataExtent[1] : curr + splitStep;
|
|||
|
|
pieceList.push({
|
|||
|
|
interval: [curr, max],
|
|||
|
|
close: [1, 1]
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (thisOption.maxOpen) {
|
|||
|
|
pieceList.push({
|
|||
|
|
interval: [dataExtent[1], Infinity],
|
|||
|
|
close: [0, 0]
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
reformIntervals(pieceList);
|
|||
|
|
zrUtil.each(pieceList, function (piece, index) {
|
|||
|
|
piece.index = index;
|
|||
|
|
piece.text = this.formatValueText(piece.interval);
|
|||
|
|
}, this);
|
|||
|
|
},
|
|||
|
|
categories: function () {
|
|||
|
|
var thisOption = this.option;
|
|||
|
|
zrUtil.each(thisOption.categories, function (cate) {
|
|||
|
|
// FIXME category模式也使用pieceList，但在visualMapping中不是使用pieceList。
|
|||
|
|
// 是否改一致。
|
|||
|
|
this._pieceList.push({
|
|||
|
|
text: this.formatValueText(cate, true),
|
|||
|
|
value: cate
|
|||
|
|
});
|
|||
|
|
}, this); // See "Order Rule".
|
|||
|
|
|
|||
|
|
normalizeReverse(thisOption, this._pieceList);
|
|||
|
|
},
|
|||
|
|
pieces: function () {
|
|||
|
|
var thisOption = this.option;
|
|||
|
|
var pieceList = this._pieceList;
|
|||
|
|
zrUtil.each(thisOption.pieces, function (pieceListItem, index) {
|
|||
|
|
if (!zrUtil.isObject(pieceListItem)) {
|
|||
|
|
pieceListItem = {
|
|||
|
|
value: pieceListItem
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var item = {
|
|||
|
|
text: '',
|
|||
|
|
index: index
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (pieceListItem.label != null) {
|
|||
|
|
item.text = pieceListItem.label;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (pieceListItem.hasOwnProperty('value')) {
|
|||
|
|
var value = item.value = pieceListItem.value;
|
|||
|
|
item.interval = [value, value];
|
|||
|
|
item.close = [1, 1];
|
|||
|
|
} else {
|
|||
|
|
// `min` `max` is legacy option.
|
|||
|
|
// `lt` `gt` `lte` `gte` is recommanded.
|
|||
|
|
var interval = item.interval = [];
|
|||
|
|
var close = item.close = [0, 0];
|
|||
|
|
var closeList = [1, 0, 1];
|
|||
|
|
var infinityList = [-Infinity, Infinity];
|
|||
|
|
var useMinMax = [];
|
|||
|
|
|
|||
|
|
for (var lg = 0; lg < 2; lg++) {
|
|||
|
|
var names = [['gte', 'gt', 'min'], ['lte', 'lt', 'max']][lg];
|
|||
|
|
|
|||
|
|
for (var i = 0; i < 3 && interval[lg] == null; i++) {
|
|||
|
|
interval[lg] = pieceListItem[names[i]];
|
|||
|
|
close[lg] = closeList[i];
|
|||
|
|
useMinMax[lg] = i === 2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
interval[lg] == null && (interval[lg] = infinityList[lg]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
useMinMax[0] && interval[1] === Infinity && (close[0] = 0);
|
|||
|
|
useMinMax[1] && interval[0] === -Infinity && (close[1] = 0);
|
|||
|
|
|
|||
|
|
if (interval[0] === interval[1] && close[0] && close[1]) {
|
|||
|
|
// Consider: [{min: 5, max: 5, visual: {...}}, {min: 0, max: 5}],
|
|||
|
|
// we use value to lift the priority when min === max
|
|||
|
|
item.value = interval[0];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
item.visual = VisualMapping.retrieveVisuals(pieceListItem);
|
|||
|
|
pieceList.push(item);
|
|||
|
|
}, this); // See "Order Rule".
|
|||
|
|
|
|||
|
|
normalizeReverse(thisOption, pieceList); // Only pieces
|
|||
|
|
|
|||
|
|
reformIntervals(pieceList);
|
|||
|
|
zrUtil.each(pieceList, function (piece) {
|
|||
|
|
var close = piece.close;
|
|||
|
|
var edgeSymbols = [['<', '≤'][close[1]], ['>', '≥'][close[0]]];
|
|||
|
|
piece.text = piece.text || this.formatValueText(piece.value != null ? piece.value : piece.interval, false, edgeSymbols);
|
|||
|
|
}, this);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
function normalizeReverse(thisOption, pieceList) {
|
|||
|
|
var inverse = thisOption.inverse;
|
|||
|
|
|
|||
|
|
if (thisOption.orient === 'vertical' ? !inverse : inverse) {
|
|||
|
|
pieceList.reverse();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var _default = PiecewiseModel;
|
|||
|
|
module.exports = _default;
|