/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /** * AUTO-GENERATED FILE. DO NOT MODIFY. */ /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import { __extends } from "tslib"; import * as numberUtil from '../util/number.js'; import * as formatUtil from '../util/format.js'; import Scale from './Scale.js'; import * as helper from './helper.js'; var roundNumber = numberUtil.round; var IntervalScale = /** @class */function (_super) { __extends(IntervalScale, _super); function IntervalScale() { var _this = _super !== null && _super.apply(this, arguments) || this; _this.type = 'interval'; // Step is calculated in adjustExtent. _this._interval = 0; _this._intervalPrecision = 2; return _this; } IntervalScale.prototype.parse = function (val) { return val; }; IntervalScale.prototype.contain = function (val) { return helper.contain(val, this._extent); }; IntervalScale.prototype.normalize = function (val) { return helper.normalize(val, this._extent); }; IntervalScale.prototype.scale = function (val) { return helper.scale(val, this._extent); }; IntervalScale.prototype.setExtent = function (start, end) { var thisExtent = this._extent; // start,end may be a Number like '25',so... if (!isNaN(start)) { thisExtent[0] = parseFloat(start); } if (!isNaN(end)) { thisExtent[1] = parseFloat(end); } }; IntervalScale.prototype.unionExtent = function (other) { var extent = this._extent; other[0] < extent[0] && (extent[0] = other[0]); other[1] > extent[1] && (extent[1] = other[1]); // unionExtent may called by it's sub classes this.setExtent(extent[0], extent[1]); }; IntervalScale.prototype.getInterval = function () { return this._interval; }; IntervalScale.prototype.setInterval = function (interval) { this._interval = interval; // Dropped auto calculated niceExtent and use user-set extent. // We assume user wants to set both interval, min, max to get a better result. this._niceExtent = this._extent.slice(); this._intervalPrecision = helper.getIntervalPrecision(interval); }; /** * @param expandToNicedExtent Whether expand the ticks to niced extent. */ IntervalScale.prototype.getTicks = function (expandToNicedExtent) { var interval = this._interval; var extent = this._extent; var niceTickExtent = this._niceExtent; var intervalPrecision = this._intervalPrecision; var ticks = []; // If interval is 0, return []; if (!interval) { return ticks; } // Consider this case: using dataZoom toolbox, zoom and zoom. var safeLimit = 10000; if (extent[0] < niceTickExtent[0]) { if (expandToNicedExtent) { ticks.push({ value: roundNumber(niceTickExtent[0] - interval, intervalPrecision) }); } else { ticks.push({ value: extent[0] }); } } var tick = niceTickExtent[0]; while (tick <= niceTickExtent[1]) { ticks.push({ value: tick }); // Avoid rounding error tick = roundNumber(tick + interval, intervalPrecision); if (tick === ticks[ticks.length - 1].value) { // Consider out of safe float point, e.g., // -3711126.9907707 + 2e-10 === -3711126.9907707 break; } if (ticks.length > safeLimit) { return []; } } // Consider this case: the last item of ticks is smaller // than niceTickExtent[1] and niceTickExtent[1] === extent[1]. var lastNiceTick = ticks.length ? ticks[ticks.length - 1].value : niceTickExtent[1]; if (extent[1] > lastNiceTick) { if (expandToNicedExtent) { ticks.push({ value: roundNumber(lastNiceTick + interval, intervalPrecision) }); } else { ticks.push({ value: extent[1] }); } } return ticks; }; IntervalScale.prototype.getMinorTicks = function (splitNumber) { var ticks = this.getTicks(true); var minorTicks = []; var extent = this.getExtent(); for (var i = 1; i < ticks.length; i++) { var nextTick = ticks[i]; var prevTick = ticks[i - 1]; var count = 0; var minorTicksGroup = []; var interval = nextTick.value - prevTick.value; var minorInterval = interval / splitNumber; while (count < splitNumber - 1) { var minorTick = roundNumber(prevTick.value + (count + 1) * minorInterval); // For the first and last interval. The count may be less than splitNumber. if (minorTick > extent[0] && minorTick < extent[1]) { minorTicksGroup.push(minorTick); } count++; } minorTicks.push(minorTicksGroup); } return minorTicks; }; /** * @param opt.precision If 'auto', use nice presision. * @param opt.pad returns 1.50 but not 1.5 if precision is 2. */ IntervalScale.prototype.getLabel = function (data, opt) { if (data == null) { return ''; } var precision = opt && opt.precision; if (precision == null) { precision = numberUtil.getPrecision(data.value) || 0; } else if (precision === 'auto') { // Should be more precise then tick. precision = this._intervalPrecision; } // (1) If `precision` is set, 12.005 should be display as '12.00500'. // (2) Use roundNumber (toFixed) to avoid scientific notation like '3.5e-7'. var dataNum = roundNumber(data.value, precision, true); return formatUtil.addCommas(dataNum); }; /** * @param splitNumber By default `5`. */ IntervalScale.prototype.calcNiceTicks = function (splitNumber, minInterval, maxInterval) { splitNumber = splitNumber || 5; var extent = this._extent; var span = extent[1] - extent[0]; if (!isFinite(span)) { return; } // User may set axis min 0 and data are all negative // FIXME If it needs to reverse ? if (span < 0) { span = -span; extent.reverse(); } var result = helper.intervalScaleNiceTicks(extent, splitNumber, minInterval, maxInterval); this._intervalPrecision = result.intervalPrecision; this._interval = result.interval; this._niceExtent = result.niceTickExtent; }; IntervalScale.prototype.calcNiceExtent = function (opt) { var extent = this._extent; // If extent start and end are same, expand them if (extent[0] === extent[1]) { if (extent[0] !== 0) { // Expand extent // Note that extents can be both negative. See #13154 var expandSize = Math.abs(extent[0]); // In the fowllowing case // Axis has been fixed max 100 // Plus data are all 100 and axis extent are [100, 100]. // Extend to the both side will cause expanded max is larger than fixed max. // So only expand to the smaller side. if (!opt.fixMax) { extent[1] += expandSize / 2; extent[0] -= expandSize / 2; } else { extent[0] -= expandSize / 2; } } else { extent[1] = 1; } } var span = extent[1] - extent[0]; // If there are no data and extent are [Infinity, -Infinity] if (!isFinite(span)) { extent[0] = 0; extent[1] = 1; } this.calcNiceTicks(opt.splitNumber, opt.minInterval, opt.maxInterval); // let extent = this._extent; var interval = this._interval; if (!opt.fixMin) { extent[0] = roundNumber(Math.floor(extent[0] / interval) * interval); } if (!opt.fixMax) { extent[1] = roundNumber(Math.ceil(extent[1] / interval) * interval); } }; IntervalScale.prototype.setNiceExtent = function (min, max) { this._niceExtent = [min, max]; }; IntervalScale.type = 'interval'; return IntervalScale; }(Scale); Scale.registerClass(IntervalScale); export default IntervalScale;