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510 lines
19 KiB
510 lines
19 KiB
2 months ago
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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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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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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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import { __extends } from "tslib";
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/*
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* A third-party license is embedded for some of the code in this file:
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* The "scaleLevels" was originally copied from "d3.js" with some
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* modifications made for this project.
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* (See more details in the comment on the definition of "scaleLevels" below.)
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* The use of the source code of this file is also subject to the terms
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* and consitions of the license of "d3.js" (BSD-3Clause, see
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* </licenses/LICENSE-d3>).
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*/
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// [About UTC and local time zone]:
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// In most cases, `number.parseDate` will treat input data string as local time
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// (except time zone is specified in time string). And `format.formateTime` returns
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// local time by default. option.useUTC is false by default. This design has
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// considered these common cases:
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// (1) Time that is persistent in server is in UTC, but it is needed to be displayed
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// in local time by default.
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// (2) By default, the input data string (e.g., '2011-01-02') should be displayed
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// as its original time, without any time difference.
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import * as numberUtil from '../util/number.js';
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import { ONE_SECOND, ONE_MINUTE, ONE_HOUR, ONE_DAY, ONE_YEAR, format, leveledFormat, getUnitValue, timeUnits, fullLeveledFormatter, getPrimaryTimeUnit, isPrimaryTimeUnit, getDefaultFormatPrecisionOfInterval, fullYearGetterName, monthSetterName, fullYearSetterName, dateSetterName, hoursGetterName, hoursSetterName, minutesSetterName, secondsSetterName, millisecondsSetterName, monthGetterName, dateGetterName, minutesGetterName, secondsGetterName, millisecondsGetterName } from '../util/time.js';
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import * as scaleHelper from './helper.js';
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import IntervalScale from './Interval.js';
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import Scale from './Scale.js';
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import { warn } from '../util/log.js';
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import { filter, isNumber, map } from 'zrender/lib/core/util.js';
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// FIXME 公用?
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var bisect = function (a, x, lo, hi) {
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while (lo < hi) {
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var mid = lo + hi >>> 1;
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if (a[mid][1] < x) {
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lo = mid + 1;
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} else {
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hi = mid;
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}
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}
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return lo;
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};
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var TimeScale = /** @class */function (_super) {
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__extends(TimeScale, _super);
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function TimeScale(settings) {
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var _this = _super.call(this, settings) || this;
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_this.type = 'time';
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return _this;
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}
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/**
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* Get label is mainly for other components like dataZoom, tooltip.
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*/
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TimeScale.prototype.getLabel = function (tick) {
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var useUTC = this.getSetting('useUTC');
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return format(tick.value, fullLeveledFormatter[getDefaultFormatPrecisionOfInterval(getPrimaryTimeUnit(this._minLevelUnit))] || fullLeveledFormatter.second, useUTC, this.getSetting('locale'));
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};
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TimeScale.prototype.getFormattedLabel = function (tick, idx, labelFormatter) {
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var isUTC = this.getSetting('useUTC');
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var lang = this.getSetting('locale');
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return leveledFormat(tick, idx, labelFormatter, lang, isUTC);
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};
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/**
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* @override
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*/
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TimeScale.prototype.getTicks = function () {
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var interval = this._interval;
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var extent = this._extent;
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var ticks = [];
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// If interval is 0, return [];
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if (!interval) {
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return ticks;
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}
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ticks.push({
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value: extent[0],
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level: 0
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});
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var useUTC = this.getSetting('useUTC');
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var innerTicks = getIntervalTicks(this._minLevelUnit, this._approxInterval, useUTC, extent);
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ticks = ticks.concat(innerTicks);
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ticks.push({
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value: extent[1],
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level: 0
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});
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return ticks;
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};
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TimeScale.prototype.calcNiceExtent = function (opt) {
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var extent = this._extent;
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// If extent start and end are same, expand them
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if (extent[0] === extent[1]) {
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// Expand extent
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extent[0] -= ONE_DAY;
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extent[1] += ONE_DAY;
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}
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// If there are no data and extent are [Infinity, -Infinity]
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if (extent[1] === -Infinity && extent[0] === Infinity) {
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var d = new Date();
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extent[1] = +new Date(d.getFullYear(), d.getMonth(), d.getDate());
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extent[0] = extent[1] - ONE_DAY;
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}
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this.calcNiceTicks(opt.splitNumber, opt.minInterval, opt.maxInterval);
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};
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TimeScale.prototype.calcNiceTicks = function (approxTickNum, minInterval, maxInterval) {
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approxTickNum = approxTickNum || 10;
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var extent = this._extent;
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var span = extent[1] - extent[0];
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this._approxInterval = span / approxTickNum;
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if (minInterval != null && this._approxInterval < minInterval) {
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this._approxInterval = minInterval;
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}
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if (maxInterval != null && this._approxInterval > maxInterval) {
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this._approxInterval = maxInterval;
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}
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var scaleIntervalsLen = scaleIntervals.length;
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var idx = Math.min(bisect(scaleIntervals, this._approxInterval, 0, scaleIntervalsLen), scaleIntervalsLen - 1);
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// Interval that can be used to calculate ticks
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this._interval = scaleIntervals[idx][1];
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// Min level used when picking ticks from top down.
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// We check one more level to avoid the ticks are to sparse in some case.
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this._minLevelUnit = scaleIntervals[Math.max(idx - 1, 0)][0];
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};
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TimeScale.prototype.parse = function (val) {
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// val might be float.
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return isNumber(val) ? val : +numberUtil.parseDate(val);
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};
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TimeScale.prototype.contain = function (val) {
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return scaleHelper.contain(this.parse(val), this._extent);
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};
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TimeScale.prototype.normalize = function (val) {
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return scaleHelper.normalize(this.parse(val), this._extent);
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};
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TimeScale.prototype.scale = function (val) {
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return scaleHelper.scale(val, this._extent);
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};
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TimeScale.type = 'time';
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return TimeScale;
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}(IntervalScale);
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/**
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* This implementation was originally copied from "d3.js"
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* <https://github.com/d3/d3/blob/b516d77fb8566b576088e73410437494717ada26/src/time/scale.js>
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* with some modifications made for this program.
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* See the license statement at the head of this file.
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*/
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var scaleIntervals = [
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// Format interval
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['second', ONE_SECOND], ['minute', ONE_MINUTE], ['hour', ONE_HOUR], ['quarter-day', ONE_HOUR * 6], ['half-day', ONE_HOUR * 12], ['day', ONE_DAY * 1.2], ['half-week', ONE_DAY * 3.5], ['week', ONE_DAY * 7], ['month', ONE_DAY * 31], ['quarter', ONE_DAY * 95], ['half-year', ONE_YEAR / 2], ['year', ONE_YEAR] // 1Y
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];
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function isUnitValueSame(unit, valueA, valueB, isUTC) {
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var dateA = numberUtil.parseDate(valueA);
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var dateB = numberUtil.parseDate(valueB);
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var isSame = function (unit) {
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return getUnitValue(dateA, unit, isUTC) === getUnitValue(dateB, unit, isUTC);
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};
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var isSameYear = function () {
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return isSame('year');
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};
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// const isSameHalfYear = () => isSameYear() && isSame('half-year');
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// const isSameQuater = () => isSameYear() && isSame('quarter');
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var isSameMonth = function () {
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return isSameYear() && isSame('month');
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};
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var isSameDay = function () {
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return isSameMonth() && isSame('day');
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};
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// const isSameHalfDay = () => isSameDay() && isSame('half-day');
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var isSameHour = function () {
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return isSameDay() && isSame('hour');
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};
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var isSameMinute = function () {
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return isSameHour() && isSame('minute');
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};
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var isSameSecond = function () {
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return isSameMinute() && isSame('second');
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};
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var isSameMilliSecond = function () {
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return isSameSecond() && isSame('millisecond');
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};
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switch (unit) {
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case 'year':
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return isSameYear();
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case 'month':
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return isSameMonth();
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case 'day':
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return isSameDay();
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case 'hour':
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return isSameHour();
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case 'minute':
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return isSameMinute();
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case 'second':
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return isSameSecond();
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case 'millisecond':
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return isSameMilliSecond();
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}
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}
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// const primaryUnitGetters = {
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// year: fullYearGetterName(),
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// month: monthGetterName(),
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// day: dateGetterName(),
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// hour: hoursGetterName(),
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// minute: minutesGetterName(),
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// second: secondsGetterName(),
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// millisecond: millisecondsGetterName()
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// };
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// const primaryUnitUTCGetters = {
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// year: fullYearGetterName(true),
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// month: monthGetterName(true),
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// day: dateGetterName(true),
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// hour: hoursGetterName(true),
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// minute: minutesGetterName(true),
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// second: secondsGetterName(true),
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// millisecond: millisecondsGetterName(true)
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// };
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// function moveTick(date: Date, unitName: TimeUnit, step: number, isUTC: boolean) {
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// step = step || 1;
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// switch (getPrimaryTimeUnit(unitName)) {
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// case 'year':
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// date[fullYearSetterName(isUTC)](date[fullYearGetterName(isUTC)]() + step);
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// break;
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// case 'month':
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// date[monthSetterName(isUTC)](date[monthGetterName(isUTC)]() + step);
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// break;
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// case 'day':
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// date[dateSetterName(isUTC)](date[dateGetterName(isUTC)]() + step);
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// break;
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// case 'hour':
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// date[hoursSetterName(isUTC)](date[hoursGetterName(isUTC)]() + step);
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// break;
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// case 'minute':
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// date[minutesSetterName(isUTC)](date[minutesGetterName(isUTC)]() + step);
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// break;
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// case 'second':
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// date[secondsSetterName(isUTC)](date[secondsGetterName(isUTC)]() + step);
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// break;
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// case 'millisecond':
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// date[millisecondsSetterName(isUTC)](date[millisecondsGetterName(isUTC)]() + step);
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// break;
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// }
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// return date.getTime();
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// }
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// const DATE_INTERVALS = [[8, 7.5], [4, 3.5], [2, 1.5]];
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// const MONTH_INTERVALS = [[6, 5.5], [3, 2.5], [2, 1.5]];
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// const MINUTES_SECONDS_INTERVALS = [[30, 30], [20, 20], [15, 15], [10, 10], [5, 5], [2, 2]];
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function getDateInterval(approxInterval, daysInMonth) {
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approxInterval /= ONE_DAY;
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return approxInterval > 16 ? 16
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// Math.floor(daysInMonth / 2) + 1 // In this case we only want one tick between two months.
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: approxInterval > 7.5 ? 7 // TODO week 7 or day 8?
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: approxInterval > 3.5 ? 4 : approxInterval > 1.5 ? 2 : 1;
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}
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function getMonthInterval(approxInterval) {
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var APPROX_ONE_MONTH = 30 * ONE_DAY;
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approxInterval /= APPROX_ONE_MONTH;
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return approxInterval > 6 ? 6 : approxInterval > 3 ? 3 : approxInterval > 2 ? 2 : 1;
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}
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function getHourInterval(approxInterval) {
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approxInterval /= ONE_HOUR;
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return approxInterval > 12 ? 12 : approxInterval > 6 ? 6 : approxInterval > 3.5 ? 4 : approxInterval > 2 ? 2 : 1;
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}
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function getMinutesAndSecondsInterval(approxInterval, isMinutes) {
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approxInterval /= isMinutes ? ONE_MINUTE : ONE_SECOND;
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return approxInterval > 30 ? 30 : approxInterval > 20 ? 20 : approxInterval > 15 ? 15 : approxInterval > 10 ? 10 : approxInterval > 5 ? 5 : approxInterval > 2 ? 2 : 1;
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}
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function getMillisecondsInterval(approxInterval) {
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return numberUtil.nice(approxInterval, true);
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}
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function getFirstTimestampOfUnit(date, unitName, isUTC) {
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var outDate = new Date(date);
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switch (getPrimaryTimeUnit(unitName)) {
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case 'year':
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case 'month':
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outDate[monthSetterName(isUTC)](0);
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case 'day':
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outDate[dateSetterName(isUTC)](1);
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case 'hour':
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outDate[hoursSetterName(isUTC)](0);
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case 'minute':
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outDate[minutesSetterName(isUTC)](0);
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case 'second':
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outDate[secondsSetterName(isUTC)](0);
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outDate[millisecondsSetterName(isUTC)](0);
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}
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return outDate.getTime();
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}
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function getIntervalTicks(bottomUnitName, approxInterval, isUTC, extent) {
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var safeLimit = 10000;
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var unitNames = timeUnits;
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var iter = 0;
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function addTicksInSpan(interval, minTimestamp, maxTimestamp, getMethodName, setMethodName, isDate, out) {
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var date = new Date(minTimestamp);
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var dateTime = minTimestamp;
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var d = date[getMethodName]();
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// if (isDate) {
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// d -= 1; // Starts with 0; PENDING
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// }
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while (dateTime < maxTimestamp && dateTime <= extent[1]) {
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out.push({
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value: dateTime
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});
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d += interval;
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date[setMethodName](d);
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dateTime = date.getTime();
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}
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// This extra tick is for calcuating ticks of next level. Will not been added to the final result
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out.push({
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value: dateTime,
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notAdd: true
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});
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}
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function addLevelTicks(unitName, lastLevelTicks, levelTicks) {
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var newAddedTicks = [];
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var isFirstLevel = !lastLevelTicks.length;
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if (isUnitValueSame(getPrimaryTimeUnit(unitName), extent[0], extent[1], isUTC)) {
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return;
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}
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if (isFirstLevel) {
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lastLevelTicks = [{
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// TODO Optimize. Not include so may ticks.
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value: getFirstTimestampOfUnit(new Date(extent[0]), unitName, isUTC)
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}, {
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value: extent[1]
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}];
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}
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for (var i = 0; i < lastLevelTicks.length - 1; i++) {
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var startTick = lastLevelTicks[i].value;
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var endTick = lastLevelTicks[i + 1].value;
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if (startTick === endTick) {
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continue;
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}
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var interval = void 0;
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var getterName = void 0;
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var setterName = void 0;
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var isDate = false;
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switch (unitName) {
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case 'year':
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interval = Math.max(1, Math.round(approxInterval / ONE_DAY / 365));
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getterName = fullYearGetterName(isUTC);
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setterName = fullYearSetterName(isUTC);
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break;
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case 'half-year':
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case 'quarter':
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case 'month':
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interval = getMonthInterval(approxInterval);
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getterName = monthGetterName(isUTC);
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setterName = monthSetterName(isUTC);
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break;
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|
case 'week': // PENDING If week is added. Ignore day.
|
||
|
case 'half-week':
|
||
|
case 'day':
|
||
|
interval = getDateInterval(approxInterval, 31); // Use 32 days and let interval been 16
|
||
|
getterName = dateGetterName(isUTC);
|
||
|
setterName = dateSetterName(isUTC);
|
||
|
isDate = true;
|
||
|
break;
|
||
|
case 'half-day':
|
||
|
case 'quarter-day':
|
||
|
case 'hour':
|
||
|
interval = getHourInterval(approxInterval);
|
||
|
getterName = hoursGetterName(isUTC);
|
||
|
setterName = hoursSetterName(isUTC);
|
||
|
break;
|
||
|
case 'minute':
|
||
|
interval = getMinutesAndSecondsInterval(approxInterval, true);
|
||
|
getterName = minutesGetterName(isUTC);
|
||
|
setterName = minutesSetterName(isUTC);
|
||
|
break;
|
||
|
case 'second':
|
||
|
interval = getMinutesAndSecondsInterval(approxInterval, false);
|
||
|
getterName = secondsGetterName(isUTC);
|
||
|
setterName = secondsSetterName(isUTC);
|
||
|
break;
|
||
|
case 'millisecond':
|
||
|
interval = getMillisecondsInterval(approxInterval);
|
||
|
getterName = millisecondsGetterName(isUTC);
|
||
|
setterName = millisecondsSetterName(isUTC);
|
||
|
break;
|
||
|
}
|
||
|
addTicksInSpan(interval, startTick, endTick, getterName, setterName, isDate, newAddedTicks);
|
||
|
if (unitName === 'year' && levelTicks.length > 1 && i === 0) {
|
||
|
// Add nearest years to the left extent.
|
||
|
levelTicks.unshift({
|
||
|
value: levelTicks[0].value - interval
|
||
|
});
|
||
|
}
|
||
|
}
|
||
|
for (var i = 0; i < newAddedTicks.length; i++) {
|
||
|
levelTicks.push(newAddedTicks[i]);
|
||
|
}
|
||
|
// newAddedTicks.length && console.log(unitName, newAddedTicks);
|
||
|
return newAddedTicks;
|
||
|
}
|
||
|
var levelsTicks = [];
|
||
|
var currentLevelTicks = [];
|
||
|
var tickCount = 0;
|
||
|
var lastLevelTickCount = 0;
|
||
|
for (var i = 0; i < unitNames.length && iter++ < safeLimit; ++i) {
|
||
|
var primaryTimeUnit = getPrimaryTimeUnit(unitNames[i]);
|
||
|
if (!isPrimaryTimeUnit(unitNames[i])) {
|
||
|
// TODO
|
||
|
continue;
|
||
|
}
|
||
|
addLevelTicks(unitNames[i], levelsTicks[levelsTicks.length - 1] || [], currentLevelTicks);
|
||
|
var nextPrimaryTimeUnit = unitNames[i + 1] ? getPrimaryTimeUnit(unitNames[i + 1]) : null;
|
||
|
if (primaryTimeUnit !== nextPrimaryTimeUnit) {
|
||
|
if (currentLevelTicks.length) {
|
||
|
lastLevelTickCount = tickCount;
|
||
|
// Remove the duplicate so the tick count can be precisely.
|
||
|
currentLevelTicks.sort(function (a, b) {
|
||
|
return a.value - b.value;
|
||
|
});
|
||
|
var levelTicksRemoveDuplicated = [];
|
||
|
for (var i_1 = 0; i_1 < currentLevelTicks.length; ++i_1) {
|
||
|
var tickValue = currentLevelTicks[i_1].value;
|
||
|
if (i_1 === 0 || currentLevelTicks[i_1 - 1].value !== tickValue) {
|
||
|
levelTicksRemoveDuplicated.push(currentLevelTicks[i_1]);
|
||
|
if (tickValue >= extent[0] && tickValue <= extent[1]) {
|
||
|
tickCount++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
var targetTickNum = (extent[1] - extent[0]) / approxInterval;
|
||
|
// Added too much in this level and not too less in last level
|
||
|
if (tickCount > targetTickNum * 1.5 && lastLevelTickCount > targetTickNum / 1.5) {
|
||
|
break;
|
||
|
}
|
||
|
// Only treat primary time unit as one level.
|
||
|
levelsTicks.push(levelTicksRemoveDuplicated);
|
||
|
if (tickCount > targetTickNum || bottomUnitName === unitNames[i]) {
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
// Reset if next unitName is primary
|
||
|
currentLevelTicks = [];
|
||
|
}
|
||
|
}
|
||
|
if (process.env.NODE_ENV !== 'production') {
|
||
|
if (iter >= safeLimit) {
|
||
|
warn('Exceed safe limit.');
|
||
|
}
|
||
|
}
|
||
|
var levelsTicksInExtent = filter(map(levelsTicks, function (levelTicks) {
|
||
|
return filter(levelTicks, function (tick) {
|
||
|
return tick.value >= extent[0] && tick.value <= extent[1] && !tick.notAdd;
|
||
|
});
|
||
|
}), function (levelTicks) {
|
||
|
return levelTicks.length > 0;
|
||
|
});
|
||
|
var ticks = [];
|
||
|
var maxLevel = levelsTicksInExtent.length - 1;
|
||
|
for (var i = 0; i < levelsTicksInExtent.length; ++i) {
|
||
|
var levelTicks = levelsTicksInExtent[i];
|
||
|
for (var k = 0; k < levelTicks.length; ++k) {
|
||
|
ticks.push({
|
||
|
value: levelTicks[k].value,
|
||
|
level: maxLevel - i
|
||
|
});
|
||
|
}
|
||
|
}
|
||
|
ticks.sort(function (a, b) {
|
||
|
return a.value - b.value;
|
||
|
});
|
||
|
// Remove duplicates
|
||
|
var result = [];
|
||
|
for (var i = 0; i < ticks.length; ++i) {
|
||
|
if (i === 0 || ticks[i].value !== ticks[i - 1].value) {
|
||
|
result.push(ticks[i]);
|
||
|
}
|
||
|
}
|
||
|
return result;
|
||
|
}
|
||
|
Scale.registerClass(TimeScale);
|
||
|
export default TimeScale;
|