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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 * as zrUtil from 'zrender/lib/core/util.js';
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import OrdinalScale from '../scale/Ordinal.js';
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import IntervalScale from '../scale/Interval.js';
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import Scale from '../scale/Scale.js';
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import { prepareLayoutBarSeries, makeColumnLayout, retrieveColumnLayout } from '../layout/barGrid.js';
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import BoundingRect from 'zrender/lib/core/BoundingRect.js';
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import TimeScale from '../scale/Time.js';
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import LogScale from '../scale/Log.js';
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import { getStackedDimension } from '../data/helper/dataStackHelper.js';
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import { ensureScaleRawExtentInfo } from './scaleRawExtentInfo.js';
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/**
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* Get axis scale extent before niced.
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* Item of returned array can only be number (including Infinity and NaN).
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*
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* Caution:
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* Precondition of calling this method:
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* The scale extent has been initialized using series data extent via
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* `scale.setExtent` or `scale.unionExtentFromData`;
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*/
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export function getScaleExtent(scale, model) {
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var scaleType = scale.type;
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var rawExtentResult = ensureScaleRawExtentInfo(scale, model, scale.getExtent()).calculate();
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scale.setBlank(rawExtentResult.isBlank);
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var min = rawExtentResult.min;
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var max = rawExtentResult.max;
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// If bars are placed on a base axis of type time or interval account for axis boundary overflow and current axis
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// is base axis
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// FIXME
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// (1) Consider support value axis, where below zero and axis `onZero` should be handled properly.
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// (2) Refactor the logic with `barGrid`. Is it not need to `makeBarWidthAndOffsetInfo` twice with different extent?
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// Should not depend on series type `bar`?
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// (3) Fix that might overlap when using dataZoom.
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// (4) Consider other chart types using `barGrid`?
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// See #6728, #4862, `test/bar-overflow-time-plot.html`
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var ecModel = model.ecModel;
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if (ecModel && scaleType === 'time' /* || scaleType === 'interval' */) {
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var barSeriesModels = prepareLayoutBarSeries('bar', ecModel);
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var isBaseAxisAndHasBarSeries_1 = false;
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zrUtil.each(barSeriesModels, function (seriesModel) {
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isBaseAxisAndHasBarSeries_1 = isBaseAxisAndHasBarSeries_1 || seriesModel.getBaseAxis() === model.axis;
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});
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if (isBaseAxisAndHasBarSeries_1) {
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// Calculate placement of bars on axis. TODO should be decoupled
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// with barLayout
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var barWidthAndOffset = makeColumnLayout(barSeriesModels);
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// Adjust axis min and max to account for overflow
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var adjustedScale = adjustScaleForOverflow(min, max, model, barWidthAndOffset);
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min = adjustedScale.min;
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max = adjustedScale.max;
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}
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}
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return {
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extent: [min, max],
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// "fix" means "fixed", the value should not be
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// changed in the subsequent steps.
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fixMin: rawExtentResult.minFixed,
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fixMax: rawExtentResult.maxFixed
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};
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}
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function adjustScaleForOverflow(min, max, model,
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// Only support cartesian coord yet.
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barWidthAndOffset) {
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// Get Axis Length
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var axisExtent = model.axis.getExtent();
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var axisLength = Math.abs(axisExtent[1] - axisExtent[0]);
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// Get bars on current base axis and calculate min and max overflow
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var barsOnCurrentAxis = retrieveColumnLayout(barWidthAndOffset, model.axis);
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if (barsOnCurrentAxis === undefined) {
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return {
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min: min,
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max: max
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};
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}
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var minOverflow = Infinity;
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zrUtil.each(barsOnCurrentAxis, function (item) {
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minOverflow = Math.min(item.offset, minOverflow);
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});
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var maxOverflow = -Infinity;
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zrUtil.each(barsOnCurrentAxis, function (item) {
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maxOverflow = Math.max(item.offset + item.width, maxOverflow);
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});
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minOverflow = Math.abs(minOverflow);
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maxOverflow = Math.abs(maxOverflow);
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var totalOverFlow = minOverflow + maxOverflow;
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// Calculate required buffer based on old range and overflow
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var oldRange = max - min;
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var oldRangePercentOfNew = 1 - (minOverflow + maxOverflow) / axisLength;
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var overflowBuffer = oldRange / oldRangePercentOfNew - oldRange;
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max += overflowBuffer * (maxOverflow / totalOverFlow);
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min -= overflowBuffer * (minOverflow / totalOverFlow);
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return {
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min: min,
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max: max
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};
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}
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// Precondition of calling this method:
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// The scale extent has been initialized using series data extent via
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// `scale.setExtent` or `scale.unionExtentFromData`;
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export function niceScaleExtent(scale, inModel) {
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var model = inModel;
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var extentInfo = getScaleExtent(scale, model);
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var extent = extentInfo.extent;
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var splitNumber = model.get('splitNumber');
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if (scale instanceof LogScale) {
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scale.base = model.get('logBase');
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}
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var scaleType = scale.type;
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var interval = model.get('interval');
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var isIntervalOrTime = scaleType === 'interval' || scaleType === 'time';
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scale.setExtent(extent[0], extent[1]);
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scale.calcNiceExtent({
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splitNumber: splitNumber,
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fixMin: extentInfo.fixMin,
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fixMax: extentInfo.fixMax,
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minInterval: isIntervalOrTime ? model.get('minInterval') : null,
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maxInterval: isIntervalOrTime ? model.get('maxInterval') : null
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});
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// If some one specified the min, max. And the default calculated interval
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// is not good enough. He can specify the interval. It is often appeared
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// in angle axis with angle 0 - 360. Interval calculated in interval scale is hard
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// to be 60.
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// FIXME
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if (interval != null) {
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scale.setInterval && scale.setInterval(interval);
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}
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}
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/**
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* @param axisType Default retrieve from model.type
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*/
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export function createScaleByModel(model, axisType) {
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axisType = axisType || model.get('type');
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if (axisType) {
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switch (axisType) {
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// Buildin scale
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case 'category':
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return new OrdinalScale({
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ordinalMeta: model.getOrdinalMeta ? model.getOrdinalMeta() : model.getCategories(),
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extent: [Infinity, -Infinity]
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});
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case 'time':
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return new TimeScale({
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locale: model.ecModel.getLocaleModel(),
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useUTC: model.ecModel.get('useUTC')
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});
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default:
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// case 'value'/'interval', 'log', or others.
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return new (Scale.getClass(axisType) || IntervalScale)();
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}
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}
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}
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/**
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* Check if the axis cross 0
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*/
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export function ifAxisCrossZero(axis) {
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var dataExtent = axis.scale.getExtent();
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var min = dataExtent[0];
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var max = dataExtent[1];
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return !(min > 0 && max > 0 || min < 0 && max < 0);
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}
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/**
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* @param axis
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* @return Label formatter function.
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* param: {number} tickValue,
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* param: {number} idx, the index in all ticks.
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* If category axis, this param is not required.
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* return: {string} label string.
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*/
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export function makeLabelFormatter(axis) {
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var labelFormatter = axis.getLabelModel().get('formatter');
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var categoryTickStart = axis.type === 'category' ? axis.scale.getExtent()[0] : null;
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if (axis.scale.type === 'time') {
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return function (tpl) {
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return function (tick, idx) {
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return axis.scale.getFormattedLabel(tick, idx, tpl);
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};
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}(labelFormatter);
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} else if (zrUtil.isString(labelFormatter)) {
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return function (tpl) {
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return function (tick) {
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// For category axis, get raw value; for numeric axis,
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// get formatted label like '1,333,444'.
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var label = axis.scale.getLabel(tick);
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var text = tpl.replace('{value}', label != null ? label : '');
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return text;
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};
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}(labelFormatter);
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} else if (zrUtil.isFunction(labelFormatter)) {
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return function (cb) {
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return function (tick, idx) {
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// The original intention of `idx` is "the index of the tick in all ticks".
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// But the previous implementation of category axis do not consider the
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// `axisLabel.interval`, which cause that, for example, the `interval` is
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// `1`, then the ticks "name5", "name7", "name9" are displayed, where the
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// corresponding `idx` are `0`, `2`, `4`, but not `0`, `1`, `2`. So we keep
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// the definition here for back compatibility.
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if (categoryTickStart != null) {
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idx = tick.value - categoryTickStart;
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}
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return cb(getAxisRawValue(axis, tick), idx, tick.level != null ? {
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level: tick.level
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} : null);
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};
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}(labelFormatter);
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} else {
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return function (tick) {
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return axis.scale.getLabel(tick);
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};
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}
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}
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export function getAxisRawValue(axis, tick) {
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// In category axis with data zoom, tick is not the original
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// index of axis.data. So tick should not be exposed to user
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// in category axis.
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return axis.type === 'category' ? axis.scale.getLabel(tick) : tick.value;
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}
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/**
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* @param axis
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* @return Be null/undefined if no labels.
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*/
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export function estimateLabelUnionRect(axis) {
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var axisModel = axis.model;
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var scale = axis.scale;
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if (!axisModel.get(['axisLabel', 'show']) || scale.isBlank()) {
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return;
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}
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var realNumberScaleTicks;
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var tickCount;
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var categoryScaleExtent = scale.getExtent();
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// Optimize for large category data, avoid call `getTicks()`.
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if (scale instanceof OrdinalScale) {
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tickCount = scale.count();
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} else {
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realNumberScaleTicks = scale.getTicks();
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tickCount = realNumberScaleTicks.length;
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}
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var axisLabelModel = axis.getLabelModel();
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var labelFormatter = makeLabelFormatter(axis);
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var rect;
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var step = 1;
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// Simple optimization for large amount of labels
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if (tickCount > 40) {
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step = Math.ceil(tickCount / 40);
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}
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for (var i = 0; i < tickCount; i += step) {
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var tick = realNumberScaleTicks ? realNumberScaleTicks[i] : {
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value: categoryScaleExtent[0] + i
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};
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var label = labelFormatter(tick, i);
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var unrotatedSingleRect = axisLabelModel.getTextRect(label);
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var singleRect = rotateTextRect(unrotatedSingleRect, axisLabelModel.get('rotate') || 0);
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rect ? rect.union(singleRect) : rect = singleRect;
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}
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return rect;
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}
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function rotateTextRect(textRect, rotate) {
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var rotateRadians = rotate * Math.PI / 180;
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var beforeWidth = textRect.width;
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var beforeHeight = textRect.height;
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var afterWidth = beforeWidth * Math.abs(Math.cos(rotateRadians)) + Math.abs(beforeHeight * Math.sin(rotateRadians));
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var afterHeight = beforeWidth * Math.abs(Math.sin(rotateRadians)) + Math.abs(beforeHeight * Math.cos(rotateRadians));
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var rotatedRect = new BoundingRect(textRect.x, textRect.y, afterWidth, afterHeight);
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return rotatedRect;
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}
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/**
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* @param model axisLabelModel or axisTickModel
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* @return {number|String} Can be null|'auto'|number|function
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*/
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export function getOptionCategoryInterval(model) {
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var interval = model.get('interval');
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return interval == null ? 'auto' : interval;
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}
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/**
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* Set `categoryInterval` as 0 implicitly indicates that
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* show all labels regardless of overlap.
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* @param {Object} axis axisModel.axis
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*/
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export function shouldShowAllLabels(axis) {
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return axis.type === 'category' && getOptionCategoryInterval(axis.getLabelModel()) === 0;
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}
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export function getDataDimensionsOnAxis(data, axisDim) {
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// Remove duplicated dat dimensions caused by `getStackedDimension`.
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var dataDimMap = {};
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// Currently `mapDimensionsAll` will contain stack result dimension ('__\0ecstackresult').
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// PENDING: is it reasonable? Do we need to remove the original dim from "coord dim" since
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// there has been stacked result dim?
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zrUtil.each(data.mapDimensionsAll(axisDim), function (dataDim) {
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// For example, the extent of the original dimension
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// is [0.1, 0.5], the extent of the `stackResultDimension`
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// is [7, 9], the final extent should NOT include [0.1, 0.5],
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// because there is no graphic corresponding to [0.1, 0.5].
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// See the case in `test/area-stack.html` `main1`, where area line
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// stack needs `yAxis` not start from 0.
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dataDimMap[getStackedDimension(data, dataDim)] = true;
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});
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return zrUtil.keys(dataDimMap);
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}
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export function unionAxisExtentFromData(dataExtent, data, axisDim) {
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if (data) {
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zrUtil.each(getDataDimensionsOnAxis(data, axisDim), function (dim) {
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var seriesExtent = data.getApproximateExtent(dim);
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seriesExtent[0] < dataExtent[0] && (dataExtent[0] = seriesExtent[0]);
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seriesExtent[1] > dataExtent[1] && (dataExtent[1] = seriesExtent[1]);
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});
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}
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}
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