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574 lines
22 KiB
574 lines
22 KiB
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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 { retrieve, defaults, extend, each, isObject, map, isString, isNumber, isFunction, retrieve2 } from 'zrender/lib/core/util.js';
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import * as graphic from '../../util/graphic.js';
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import { getECData } from '../../util/innerStore.js';
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import { createTextStyle } from '../../label/labelStyle.js';
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import Model from '../../model/Model.js';
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import { isRadianAroundZero, remRadian } from '../../util/number.js';
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import { createSymbol, normalizeSymbolOffset } from '../../util/symbol.js';
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import * as matrixUtil from 'zrender/lib/core/matrix.js';
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import { applyTransform as v2ApplyTransform } from 'zrender/lib/core/vector.js';
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import { shouldShowAllLabels } from '../../coord/axisHelper.js';
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import { prepareLayoutList, hideOverlap } from '../../label/labelLayoutHelper.js';
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var PI = Math.PI;
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/**
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* A final axis is translated and rotated from a "standard axis".
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* So opt.position and opt.rotation is required.
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*
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* A standard axis is and axis from [0, 0] to [0, axisExtent[1]],
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* for example: (0, 0) ------------> (0, 50)
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*
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* nameDirection or tickDirection or labelDirection is 1 means tick
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* or label is below the standard axis, whereas is -1 means above
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* the standard axis. labelOffset means offset between label and axis,
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* which is useful when 'onZero', where axisLabel is in the grid and
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* label in outside grid.
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*
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* Tips: like always,
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* positive rotation represents anticlockwise, and negative rotation
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* represents clockwise.
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* The direction of position coordinate is the same as the direction
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* of screen coordinate.
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*
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* Do not need to consider axis 'inverse', which is auto processed by
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* axis extent.
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*/
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var AxisBuilder = /** @class */function () {
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function AxisBuilder(axisModel, opt) {
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this.group = new graphic.Group();
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this.opt = opt;
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this.axisModel = axisModel;
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// Default value
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defaults(opt, {
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labelOffset: 0,
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nameDirection: 1,
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tickDirection: 1,
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labelDirection: 1,
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silent: true,
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handleAutoShown: function () {
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return true;
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}
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});
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// FIXME Not use a separate text group?
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var transformGroup = new graphic.Group({
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x: opt.position[0],
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y: opt.position[1],
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rotation: opt.rotation
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});
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// this.group.add(transformGroup);
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// this._transformGroup = transformGroup;
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transformGroup.updateTransform();
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this._transformGroup = transformGroup;
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}
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AxisBuilder.prototype.hasBuilder = function (name) {
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return !!builders[name];
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};
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AxisBuilder.prototype.add = function (name) {
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builders[name](this.opt, this.axisModel, this.group, this._transformGroup);
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};
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AxisBuilder.prototype.getGroup = function () {
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return this.group;
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};
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AxisBuilder.innerTextLayout = function (axisRotation, textRotation, direction) {
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var rotationDiff = remRadian(textRotation - axisRotation);
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var textAlign;
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var textVerticalAlign;
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if (isRadianAroundZero(rotationDiff)) {
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// Label is parallel with axis line.
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textVerticalAlign = direction > 0 ? 'top' : 'bottom';
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textAlign = 'center';
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} else if (isRadianAroundZero(rotationDiff - PI)) {
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// Label is inverse parallel with axis line.
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textVerticalAlign = direction > 0 ? 'bottom' : 'top';
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textAlign = 'center';
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} else {
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textVerticalAlign = 'middle';
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if (rotationDiff > 0 && rotationDiff < PI) {
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textAlign = direction > 0 ? 'right' : 'left';
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} else {
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textAlign = direction > 0 ? 'left' : 'right';
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}
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}
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return {
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rotation: rotationDiff,
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textAlign: textAlign,
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textVerticalAlign: textVerticalAlign
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};
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};
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AxisBuilder.makeAxisEventDataBase = function (axisModel) {
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var eventData = {
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componentType: axisModel.mainType,
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componentIndex: axisModel.componentIndex
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};
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eventData[axisModel.mainType + 'Index'] = axisModel.componentIndex;
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return eventData;
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};
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AxisBuilder.isLabelSilent = function (axisModel) {
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var tooltipOpt = axisModel.get('tooltip');
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return axisModel.get('silent')
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// Consider mouse cursor, add these restrictions.
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|| !(axisModel.get('triggerEvent') || tooltipOpt && tooltipOpt.show);
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};
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return AxisBuilder;
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}();
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;
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var builders = {
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axisLine: function (opt, axisModel, group, transformGroup) {
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var shown = axisModel.get(['axisLine', 'show']);
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if (shown === 'auto' && opt.handleAutoShown) {
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shown = opt.handleAutoShown('axisLine');
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}
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if (!shown) {
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return;
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}
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var extent = axisModel.axis.getExtent();
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var matrix = transformGroup.transform;
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var pt1 = [extent[0], 0];
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var pt2 = [extent[1], 0];
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var inverse = pt1[0] > pt2[0];
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if (matrix) {
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v2ApplyTransform(pt1, pt1, matrix);
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v2ApplyTransform(pt2, pt2, matrix);
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}
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var lineStyle = extend({
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lineCap: 'round'
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}, axisModel.getModel(['axisLine', 'lineStyle']).getLineStyle());
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var line = new graphic.Line({
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shape: {
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x1: pt1[0],
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y1: pt1[1],
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x2: pt2[0],
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y2: pt2[1]
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},
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style: lineStyle,
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strokeContainThreshold: opt.strokeContainThreshold || 5,
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silent: true,
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z2: 1
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});
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graphic.subPixelOptimizeLine(line.shape, line.style.lineWidth);
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line.anid = 'line';
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group.add(line);
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var arrows = axisModel.get(['axisLine', 'symbol']);
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if (arrows != null) {
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var arrowSize = axisModel.get(['axisLine', 'symbolSize']);
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if (isString(arrows)) {
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// Use the same arrow for start and end point
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arrows = [arrows, arrows];
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}
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if (isString(arrowSize) || isNumber(arrowSize)) {
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// Use the same size for width and height
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arrowSize = [arrowSize, arrowSize];
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}
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var arrowOffset = normalizeSymbolOffset(axisModel.get(['axisLine', 'symbolOffset']) || 0, arrowSize);
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var symbolWidth_1 = arrowSize[0];
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var symbolHeight_1 = arrowSize[1];
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each([{
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rotate: opt.rotation + Math.PI / 2,
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offset: arrowOffset[0],
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r: 0
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}, {
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rotate: opt.rotation - Math.PI / 2,
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offset: arrowOffset[1],
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r: Math.sqrt((pt1[0] - pt2[0]) * (pt1[0] - pt2[0]) + (pt1[1] - pt2[1]) * (pt1[1] - pt2[1]))
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}], function (point, index) {
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if (arrows[index] !== 'none' && arrows[index] != null) {
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var symbol = createSymbol(arrows[index], -symbolWidth_1 / 2, -symbolHeight_1 / 2, symbolWidth_1, symbolHeight_1, lineStyle.stroke, true);
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// Calculate arrow position with offset
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var r = point.r + point.offset;
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var pt = inverse ? pt2 : pt1;
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symbol.attr({
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rotation: point.rotate,
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x: pt[0] + r * Math.cos(opt.rotation),
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y: pt[1] - r * Math.sin(opt.rotation),
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silent: true,
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z2: 11
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});
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group.add(symbol);
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}
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});
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}
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},
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axisTickLabel: function (opt, axisModel, group, transformGroup) {
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var ticksEls = buildAxisMajorTicks(group, transformGroup, axisModel, opt);
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var labelEls = buildAxisLabel(group, transformGroup, axisModel, opt);
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fixMinMaxLabelShow(axisModel, labelEls, ticksEls);
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buildAxisMinorTicks(group, transformGroup, axisModel, opt.tickDirection);
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// This bit fixes the label overlap issue for the time chart.
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// See https://github.com/apache/echarts/issues/14266 for more.
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if (axisModel.get(['axisLabel', 'hideOverlap'])) {
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var labelList = prepareLayoutList(map(labelEls, function (label) {
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return {
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label: label,
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priority: label.z2,
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defaultAttr: {
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ignore: label.ignore
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}
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};
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}));
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hideOverlap(labelList);
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}
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},
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axisName: function (opt, axisModel, group, transformGroup) {
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var name = retrieve(opt.axisName, axisModel.get('name'));
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if (!name) {
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return;
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}
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var nameLocation = axisModel.get('nameLocation');
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var nameDirection = opt.nameDirection;
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var textStyleModel = axisModel.getModel('nameTextStyle');
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var gap = axisModel.get('nameGap') || 0;
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var extent = axisModel.axis.getExtent();
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var gapSignal = extent[0] > extent[1] ? -1 : 1;
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var pos = [nameLocation === 'start' ? extent[0] - gapSignal * gap : nameLocation === 'end' ? extent[1] + gapSignal * gap : (extent[0] + extent[1]) / 2,
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// Reuse labelOffset.
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isNameLocationCenter(nameLocation) ? opt.labelOffset + nameDirection * gap : 0];
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var labelLayout;
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var nameRotation = axisModel.get('nameRotate');
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if (nameRotation != null) {
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nameRotation = nameRotation * PI / 180; // To radian.
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}
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var axisNameAvailableWidth;
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if (isNameLocationCenter(nameLocation)) {
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labelLayout = AxisBuilder.innerTextLayout(opt.rotation, nameRotation != null ? nameRotation : opt.rotation,
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// Adapt to axis.
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nameDirection);
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} else {
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labelLayout = endTextLayout(opt.rotation, nameLocation, nameRotation || 0, extent);
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axisNameAvailableWidth = opt.axisNameAvailableWidth;
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if (axisNameAvailableWidth != null) {
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axisNameAvailableWidth = Math.abs(axisNameAvailableWidth / Math.sin(labelLayout.rotation));
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!isFinite(axisNameAvailableWidth) && (axisNameAvailableWidth = null);
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}
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}
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var textFont = textStyleModel.getFont();
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var truncateOpt = axisModel.get('nameTruncate', true) || {};
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var ellipsis = truncateOpt.ellipsis;
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var maxWidth = retrieve(opt.nameTruncateMaxWidth, truncateOpt.maxWidth, axisNameAvailableWidth);
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var textEl = new graphic.Text({
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x: pos[0],
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y: pos[1],
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rotation: labelLayout.rotation,
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silent: AxisBuilder.isLabelSilent(axisModel),
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style: createTextStyle(textStyleModel, {
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text: name,
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font: textFont,
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overflow: 'truncate',
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width: maxWidth,
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ellipsis: ellipsis,
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fill: textStyleModel.getTextColor() || axisModel.get(['axisLine', 'lineStyle', 'color']),
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align: textStyleModel.get('align') || labelLayout.textAlign,
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verticalAlign: textStyleModel.get('verticalAlign') || labelLayout.textVerticalAlign
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}),
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z2: 1
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});
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graphic.setTooltipConfig({
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el: textEl,
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componentModel: axisModel,
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itemName: name
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});
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textEl.__fullText = name;
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// Id for animation
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textEl.anid = 'name';
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if (axisModel.get('triggerEvent')) {
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var eventData = AxisBuilder.makeAxisEventDataBase(axisModel);
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eventData.targetType = 'axisName';
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eventData.name = name;
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getECData(textEl).eventData = eventData;
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}
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// FIXME
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transformGroup.add(textEl);
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textEl.updateTransform();
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group.add(textEl);
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textEl.decomposeTransform();
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}
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};
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function endTextLayout(rotation, textPosition, textRotate, extent) {
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var rotationDiff = remRadian(textRotate - rotation);
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var textAlign;
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var textVerticalAlign;
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var inverse = extent[0] > extent[1];
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var onLeft = textPosition === 'start' && !inverse || textPosition !== 'start' && inverse;
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if (isRadianAroundZero(rotationDiff - PI / 2)) {
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textVerticalAlign = onLeft ? 'bottom' : 'top';
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textAlign = 'center';
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} else if (isRadianAroundZero(rotationDiff - PI * 1.5)) {
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textVerticalAlign = onLeft ? 'top' : 'bottom';
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textAlign = 'center';
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} else {
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textVerticalAlign = 'middle';
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if (rotationDiff < PI * 1.5 && rotationDiff > PI / 2) {
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textAlign = onLeft ? 'left' : 'right';
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} else {
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textAlign = onLeft ? 'right' : 'left';
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}
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}
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return {
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rotation: rotationDiff,
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textAlign: textAlign,
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textVerticalAlign: textVerticalAlign
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};
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}
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function fixMinMaxLabelShow(axisModel, labelEls, tickEls) {
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if (shouldShowAllLabels(axisModel.axis)) {
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return;
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}
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// If min or max are user set, we need to check
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// If the tick on min(max) are overlap on their neighbour tick
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// If they are overlapped, we need to hide the min(max) tick label
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var showMinLabel = axisModel.get(['axisLabel', 'showMinLabel']);
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var showMaxLabel = axisModel.get(['axisLabel', 'showMaxLabel']);
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// FIXME
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// Have not consider onBand yet, where tick els is more than label els.
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labelEls = labelEls || [];
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tickEls = tickEls || [];
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var firstLabel = labelEls[0];
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var nextLabel = labelEls[1];
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var lastLabel = labelEls[labelEls.length - 1];
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var prevLabel = labelEls[labelEls.length - 2];
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var firstTick = tickEls[0];
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var nextTick = tickEls[1];
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var lastTick = tickEls[tickEls.length - 1];
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var prevTick = tickEls[tickEls.length - 2];
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if (showMinLabel === false) {
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ignoreEl(firstLabel);
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ignoreEl(firstTick);
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} else if (isTwoLabelOverlapped(firstLabel, nextLabel)) {
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if (showMinLabel) {
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ignoreEl(nextLabel);
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ignoreEl(nextTick);
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} else {
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ignoreEl(firstLabel);
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ignoreEl(firstTick);
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}
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}
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if (showMaxLabel === false) {
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ignoreEl(lastLabel);
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ignoreEl(lastTick);
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} else if (isTwoLabelOverlapped(prevLabel, lastLabel)) {
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if (showMaxLabel) {
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ignoreEl(prevLabel);
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ignoreEl(prevTick);
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} else {
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ignoreEl(lastLabel);
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ignoreEl(lastTick);
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}
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}
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}
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function ignoreEl(el) {
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el && (el.ignore = true);
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}
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function isTwoLabelOverlapped(current, next) {
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// current and next has the same rotation.
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var firstRect = current && current.getBoundingRect().clone();
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var nextRect = next && next.getBoundingRect().clone();
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if (!firstRect || !nextRect) {
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return;
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}
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// When checking intersect of two rotated labels, we use mRotationBack
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// to avoid that boundingRect is enlarge when using `boundingRect.applyTransform`.
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var mRotationBack = matrixUtil.identity([]);
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matrixUtil.rotate(mRotationBack, mRotationBack, -current.rotation);
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firstRect.applyTransform(matrixUtil.mul([], mRotationBack, current.getLocalTransform()));
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nextRect.applyTransform(matrixUtil.mul([], mRotationBack, next.getLocalTransform()));
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return firstRect.intersect(nextRect);
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}
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function isNameLocationCenter(nameLocation) {
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return nameLocation === 'middle' || nameLocation === 'center';
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}
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function createTicks(ticksCoords, tickTransform, tickEndCoord, tickLineStyle, anidPrefix) {
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var tickEls = [];
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var pt1 = [];
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var pt2 = [];
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for (var i = 0; i < ticksCoords.length; i++) {
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var tickCoord = ticksCoords[i].coord;
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pt1[0] = tickCoord;
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pt1[1] = 0;
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pt2[0] = tickCoord;
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pt2[1] = tickEndCoord;
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if (tickTransform) {
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v2ApplyTransform(pt1, pt1, tickTransform);
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v2ApplyTransform(pt2, pt2, tickTransform);
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}
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// Tick line, Not use group transform to have better line draw
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var tickEl = new graphic.Line({
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shape: {
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x1: pt1[0],
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y1: pt1[1],
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x2: pt2[0],
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y2: pt2[1]
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},
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style: tickLineStyle,
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z2: 2,
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autoBatch: true,
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silent: true
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});
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graphic.subPixelOptimizeLine(tickEl.shape, tickEl.style.lineWidth);
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tickEl.anid = anidPrefix + '_' + ticksCoords[i].tickValue;
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tickEls.push(tickEl);
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}
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return tickEls;
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}
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function buildAxisMajorTicks(group, transformGroup, axisModel, opt) {
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var axis = axisModel.axis;
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var tickModel = axisModel.getModel('axisTick');
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var shown = tickModel.get('show');
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if (shown === 'auto' && opt.handleAutoShown) {
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shown = opt.handleAutoShown('axisTick');
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}
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if (!shown || axis.scale.isBlank()) {
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return;
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}
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var lineStyleModel = tickModel.getModel('lineStyle');
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var tickEndCoord = opt.tickDirection * tickModel.get('length');
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var ticksCoords = axis.getTicksCoords();
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var ticksEls = createTicks(ticksCoords, transformGroup.transform, tickEndCoord, defaults(lineStyleModel.getLineStyle(), {
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stroke: axisModel.get(['axisLine', 'lineStyle', 'color'])
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}), 'ticks');
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for (var i = 0; i < ticksEls.length; i++) {
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group.add(ticksEls[i]);
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}
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return ticksEls;
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}
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function buildAxisMinorTicks(group, transformGroup, axisModel, tickDirection) {
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var axis = axisModel.axis;
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var minorTickModel = axisModel.getModel('minorTick');
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if (!minorTickModel.get('show') || axis.scale.isBlank()) {
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return;
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}
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var minorTicksCoords = axis.getMinorTicksCoords();
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if (!minorTicksCoords.length) {
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return;
|
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}
|
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var lineStyleModel = minorTickModel.getModel('lineStyle');
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var tickEndCoord = tickDirection * minorTickModel.get('length');
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var minorTickLineStyle = defaults(lineStyleModel.getLineStyle(), defaults(axisModel.getModel('axisTick').getLineStyle(), {
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stroke: axisModel.get(['axisLine', 'lineStyle', 'color'])
|
|
}));
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for (var i = 0; i < minorTicksCoords.length; i++) {
|
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var minorTicksEls = createTicks(minorTicksCoords[i], transformGroup.transform, tickEndCoord, minorTickLineStyle, 'minorticks_' + i);
|
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for (var k = 0; k < minorTicksEls.length; k++) {
|
|
group.add(minorTicksEls[k]);
|
|
}
|
|
}
|
|
}
|
|
function buildAxisLabel(group, transformGroup, axisModel, opt) {
|
|
var axis = axisModel.axis;
|
|
var show = retrieve(opt.axisLabelShow, axisModel.get(['axisLabel', 'show']));
|
|
if (!show || axis.scale.isBlank()) {
|
|
return;
|
|
}
|
|
var labelModel = axisModel.getModel('axisLabel');
|
|
var labelMargin = labelModel.get('margin');
|
|
var labels = axis.getViewLabels();
|
|
// Special label rotate.
|
|
var labelRotation = (retrieve(opt.labelRotate, labelModel.get('rotate')) || 0) * PI / 180;
|
|
var labelLayout = AxisBuilder.innerTextLayout(opt.rotation, labelRotation, opt.labelDirection);
|
|
var rawCategoryData = axisModel.getCategories && axisModel.getCategories(true);
|
|
var labelEls = [];
|
|
var silent = AxisBuilder.isLabelSilent(axisModel);
|
|
var triggerEvent = axisModel.get('triggerEvent');
|
|
each(labels, function (labelItem, index) {
|
|
var tickValue = axis.scale.type === 'ordinal' ? axis.scale.getRawOrdinalNumber(labelItem.tickValue) : labelItem.tickValue;
|
|
var formattedLabel = labelItem.formattedLabel;
|
|
var rawLabel = labelItem.rawLabel;
|
|
var itemLabelModel = labelModel;
|
|
if (rawCategoryData && rawCategoryData[tickValue]) {
|
|
var rawCategoryItem = rawCategoryData[tickValue];
|
|
if (isObject(rawCategoryItem) && rawCategoryItem.textStyle) {
|
|
itemLabelModel = new Model(rawCategoryItem.textStyle, labelModel, axisModel.ecModel);
|
|
}
|
|
}
|
|
var textColor = itemLabelModel.getTextColor() || axisModel.get(['axisLine', 'lineStyle', 'color']);
|
|
var tickCoord = axis.dataToCoord(tickValue);
|
|
var align = itemLabelModel.getShallow('align', true) || labelLayout.textAlign;
|
|
var alignMin = retrieve2(itemLabelModel.getShallow('alignMinLabel', true), align);
|
|
var alignMax = retrieve2(itemLabelModel.getShallow('alignMaxLabel', true), align);
|
|
var verticalAlign = itemLabelModel.getShallow('verticalAlign', true) || itemLabelModel.getShallow('baseline', true) || labelLayout.textVerticalAlign;
|
|
var verticalAlignMin = retrieve2(itemLabelModel.getShallow('verticalAlignMinLabel', true), verticalAlign);
|
|
var verticalAlignMax = retrieve2(itemLabelModel.getShallow('verticalAlignMaxLabel', true), verticalAlign);
|
|
var textEl = new graphic.Text({
|
|
x: tickCoord,
|
|
y: opt.labelOffset + opt.labelDirection * labelMargin,
|
|
rotation: labelLayout.rotation,
|
|
silent: silent,
|
|
z2: 10 + (labelItem.level || 0),
|
|
style: createTextStyle(itemLabelModel, {
|
|
text: formattedLabel,
|
|
align: index === 0 ? alignMin : index === labels.length - 1 ? alignMax : align,
|
|
verticalAlign: index === 0 ? verticalAlignMin : index === labels.length - 1 ? verticalAlignMax : verticalAlign,
|
|
fill: isFunction(textColor) ? textColor(
|
|
// (1) In category axis with data zoom, tick is not the original
|
|
// index of axis.data. So tick should not be exposed to user
|
|
// in category axis.
|
|
// (2) Compatible with previous version, which always use formatted label as
|
|
// input. But in interval scale the formatted label is like '223,445', which
|
|
// maked user replace ','. So we modify it to return original val but remain
|
|
// it as 'string' to avoid error in replacing.
|
|
axis.type === 'category' ? rawLabel : axis.type === 'value' ? tickValue + '' : tickValue, index) : textColor
|
|
})
|
|
});
|
|
textEl.anid = 'label_' + tickValue;
|
|
// Pack data for mouse event
|
|
if (triggerEvent) {
|
|
var eventData = AxisBuilder.makeAxisEventDataBase(axisModel);
|
|
eventData.targetType = 'axisLabel';
|
|
eventData.value = rawLabel;
|
|
eventData.tickIndex = index;
|
|
if (axis.type === 'category') {
|
|
eventData.dataIndex = tickValue;
|
|
}
|
|
getECData(textEl).eventData = eventData;
|
|
}
|
|
// FIXME
|
|
transformGroup.add(textEl);
|
|
textEl.updateTransform();
|
|
labelEls.push(textEl);
|
|
group.add(textEl);
|
|
textEl.decomposeTransform();
|
|
});
|
|
return labelEls;
|
|
}
|
|
export default AxisBuilder; |