493 lines
17 KiB
JavaScript
493 lines
17 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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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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/**
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* Grid is a region which contains at most 4 cartesian systems
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*
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* TODO Default cartesian
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*/
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import { isObject, each, indexOf, retrieve3, keys } from 'zrender/lib/core/util.js';
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import { getLayoutRect } from '../../util/layout.js';
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import { createScaleByModel, ifAxisCrossZero, niceScaleExtent, estimateLabelUnionRect, getDataDimensionsOnAxis } from '../../coord/axisHelper.js';
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import Cartesian2D, { cartesian2DDimensions } from './Cartesian2D.js';
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import Axis2D from './Axis2D.js';
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import { SINGLE_REFERRING } from '../../util/model.js';
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import { isCartesian2DSeries, findAxisModels } from './cartesianAxisHelper.js';
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import { isIntervalOrLogScale } from '../../scale/helper.js';
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import { alignScaleTicks } from '../axisAlignTicks.js';
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var Grid = /** @class */function () {
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function Grid(gridModel, ecModel, api) {
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// FIXME:TS where used (different from registered type 'cartesian2d')?
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this.type = 'grid';
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this._coordsMap = {};
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this._coordsList = [];
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this._axesMap = {};
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this._axesList = [];
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this.axisPointerEnabled = true;
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this.dimensions = cartesian2DDimensions;
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this._initCartesian(gridModel, ecModel, api);
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this.model = gridModel;
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}
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Grid.prototype.getRect = function () {
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return this._rect;
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};
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Grid.prototype.update = function (ecModel, api) {
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var axesMap = this._axesMap;
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this._updateScale(ecModel, this.model);
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function updateAxisTicks(axes) {
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var alignTo;
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// Axis is added in order of axisIndex.
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var axesIndices = keys(axes);
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var len = axesIndices.length;
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if (!len) {
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return;
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}
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var axisNeedsAlign = [];
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// Process once and calculate the ticks for those don't use alignTicks.
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for (var i = len - 1; i >= 0; i--) {
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var idx = +axesIndices[i]; // Convert to number.
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var axis = axes[idx];
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var model = axis.model;
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var scale = axis.scale;
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if (
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// Only value and log axis without interval support alignTicks.
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isIntervalOrLogScale(scale) && model.get('alignTicks') && model.get('interval') == null) {
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axisNeedsAlign.push(axis);
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} else {
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niceScaleExtent(scale, model);
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if (isIntervalOrLogScale(scale)) {
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// Can only align to interval or log axis.
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alignTo = axis;
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}
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}
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}
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;
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// All axes has set alignTicks. Pick the first one.
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// PENDING. Should we find the axis that both set interval, min, max and align to this one?
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if (axisNeedsAlign.length) {
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if (!alignTo) {
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alignTo = axisNeedsAlign.pop();
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niceScaleExtent(alignTo.scale, alignTo.model);
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}
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each(axisNeedsAlign, function (axis) {
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alignScaleTicks(axis.scale, axis.model, alignTo.scale);
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});
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}
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}
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updateAxisTicks(axesMap.x);
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updateAxisTicks(axesMap.y);
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// Key: axisDim_axisIndex, value: boolean, whether onZero target.
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var onZeroRecords = {};
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each(axesMap.x, function (xAxis) {
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fixAxisOnZero(axesMap, 'y', xAxis, onZeroRecords);
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});
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each(axesMap.y, function (yAxis) {
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fixAxisOnZero(axesMap, 'x', yAxis, onZeroRecords);
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});
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// Resize again if containLabel is enabled
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// FIXME It may cause getting wrong grid size in data processing stage
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this.resize(this.model, api);
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};
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/**
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* Resize the grid
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*/
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Grid.prototype.resize = function (gridModel, api, ignoreContainLabel) {
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var boxLayoutParams = gridModel.getBoxLayoutParams();
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var isContainLabel = !ignoreContainLabel && gridModel.get('containLabel');
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var gridRect = getLayoutRect(boxLayoutParams, {
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width: api.getWidth(),
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height: api.getHeight()
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});
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this._rect = gridRect;
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var axesList = this._axesList;
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adjustAxes();
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// Minus label size
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if (isContainLabel) {
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each(axesList, function (axis) {
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if (!axis.model.get(['axisLabel', 'inside'])) {
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var labelUnionRect = estimateLabelUnionRect(axis);
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if (labelUnionRect) {
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var dim = axis.isHorizontal() ? 'height' : 'width';
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var margin = axis.model.get(['axisLabel', 'margin']);
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gridRect[dim] -= labelUnionRect[dim] + margin;
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if (axis.position === 'top') {
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gridRect.y += labelUnionRect.height + margin;
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} else if (axis.position === 'left') {
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gridRect.x += labelUnionRect.width + margin;
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}
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}
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}
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});
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adjustAxes();
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}
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each(this._coordsList, function (coord) {
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// Calculate affine matrix to accelerate the data to point transform.
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// If all the axes scales are time or value.
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coord.calcAffineTransform();
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});
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function adjustAxes() {
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each(axesList, function (axis) {
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var isHorizontal = axis.isHorizontal();
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var extent = isHorizontal ? [0, gridRect.width] : [0, gridRect.height];
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var idx = axis.inverse ? 1 : 0;
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axis.setExtent(extent[idx], extent[1 - idx]);
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updateAxisTransform(axis, isHorizontal ? gridRect.x : gridRect.y);
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});
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}
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};
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Grid.prototype.getAxis = function (dim, axisIndex) {
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var axesMapOnDim = this._axesMap[dim];
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if (axesMapOnDim != null) {
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return axesMapOnDim[axisIndex || 0];
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}
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};
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Grid.prototype.getAxes = function () {
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return this._axesList.slice();
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};
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Grid.prototype.getCartesian = function (xAxisIndex, yAxisIndex) {
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if (xAxisIndex != null && yAxisIndex != null) {
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var key = 'x' + xAxisIndex + 'y' + yAxisIndex;
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return this._coordsMap[key];
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}
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if (isObject(xAxisIndex)) {
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yAxisIndex = xAxisIndex.yAxisIndex;
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xAxisIndex = xAxisIndex.xAxisIndex;
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}
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for (var i = 0, coordList = this._coordsList; i < coordList.length; i++) {
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if (coordList[i].getAxis('x').index === xAxisIndex || coordList[i].getAxis('y').index === yAxisIndex) {
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return coordList[i];
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}
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}
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};
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Grid.prototype.getCartesians = function () {
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return this._coordsList.slice();
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};
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/**
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* @implements
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*/
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Grid.prototype.convertToPixel = function (ecModel, finder, value) {
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var target = this._findConvertTarget(finder);
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return target.cartesian ? target.cartesian.dataToPoint(value) : target.axis ? target.axis.toGlobalCoord(target.axis.dataToCoord(value)) : null;
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};
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/**
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* @implements
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*/
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Grid.prototype.convertFromPixel = function (ecModel, finder, value) {
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var target = this._findConvertTarget(finder);
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return target.cartesian ? target.cartesian.pointToData(value) : target.axis ? target.axis.coordToData(target.axis.toLocalCoord(value)) : null;
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};
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Grid.prototype._findConvertTarget = function (finder) {
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var seriesModel = finder.seriesModel;
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var xAxisModel = finder.xAxisModel || seriesModel && seriesModel.getReferringComponents('xAxis', SINGLE_REFERRING).models[0];
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var yAxisModel = finder.yAxisModel || seriesModel && seriesModel.getReferringComponents('yAxis', SINGLE_REFERRING).models[0];
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var gridModel = finder.gridModel;
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var coordsList = this._coordsList;
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var cartesian;
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var axis;
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if (seriesModel) {
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cartesian = seriesModel.coordinateSystem;
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indexOf(coordsList, cartesian) < 0 && (cartesian = null);
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} else if (xAxisModel && yAxisModel) {
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cartesian = this.getCartesian(xAxisModel.componentIndex, yAxisModel.componentIndex);
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} else if (xAxisModel) {
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axis = this.getAxis('x', xAxisModel.componentIndex);
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} else if (yAxisModel) {
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axis = this.getAxis('y', yAxisModel.componentIndex);
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}
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// Lowest priority.
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else if (gridModel) {
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var grid = gridModel.coordinateSystem;
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if (grid === this) {
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cartesian = this._coordsList[0];
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}
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}
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return {
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cartesian: cartesian,
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axis: axis
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};
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};
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/**
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* @implements
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*/
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Grid.prototype.containPoint = function (point) {
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var coord = this._coordsList[0];
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if (coord) {
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return coord.containPoint(point);
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}
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};
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/**
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* Initialize cartesian coordinate systems
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*/
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Grid.prototype._initCartesian = function (gridModel, ecModel, api) {
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var _this = this;
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var grid = this;
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var axisPositionUsed = {
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left: false,
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right: false,
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top: false,
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bottom: false
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};
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var axesMap = {
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x: {},
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y: {}
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};
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var axesCount = {
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x: 0,
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y: 0
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};
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// Create axis
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ecModel.eachComponent('xAxis', createAxisCreator('x'), this);
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ecModel.eachComponent('yAxis', createAxisCreator('y'), this);
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if (!axesCount.x || !axesCount.y) {
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// Roll back when there no either x or y axis
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this._axesMap = {};
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this._axesList = [];
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return;
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}
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this._axesMap = axesMap;
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// Create cartesian2d
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each(axesMap.x, function (xAxis, xAxisIndex) {
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each(axesMap.y, function (yAxis, yAxisIndex) {
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var key = 'x' + xAxisIndex + 'y' + yAxisIndex;
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var cartesian = new Cartesian2D(key);
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cartesian.master = _this;
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cartesian.model = gridModel;
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_this._coordsMap[key] = cartesian;
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_this._coordsList.push(cartesian);
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cartesian.addAxis(xAxis);
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cartesian.addAxis(yAxis);
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});
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});
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function createAxisCreator(dimName) {
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return function (axisModel, idx) {
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if (!isAxisUsedInTheGrid(axisModel, gridModel)) {
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return;
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}
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var axisPosition = axisModel.get('position');
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if (dimName === 'x') {
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// Fix position
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if (axisPosition !== 'top' && axisPosition !== 'bottom') {
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// Default bottom of X
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axisPosition = axisPositionUsed.bottom ? 'top' : 'bottom';
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}
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} else {
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// Fix position
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if (axisPosition !== 'left' && axisPosition !== 'right') {
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// Default left of Y
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axisPosition = axisPositionUsed.left ? 'right' : 'left';
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}
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}
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axisPositionUsed[axisPosition] = true;
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var axis = new Axis2D(dimName, createScaleByModel(axisModel), [0, 0], axisModel.get('type'), axisPosition);
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var isCategory = axis.type === 'category';
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axis.onBand = isCategory && axisModel.get('boundaryGap');
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axis.inverse = axisModel.get('inverse');
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// Inject axis into axisModel
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axisModel.axis = axis;
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// Inject axisModel into axis
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axis.model = axisModel;
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// Inject grid info axis
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axis.grid = grid;
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// Index of axis, can be used as key
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axis.index = idx;
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grid._axesList.push(axis);
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axesMap[dimName][idx] = axis;
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axesCount[dimName]++;
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};
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}
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};
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/**
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* Update cartesian properties from series.
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*/
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Grid.prototype._updateScale = function (ecModel, gridModel) {
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// Reset scale
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each(this._axesList, function (axis) {
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axis.scale.setExtent(Infinity, -Infinity);
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if (axis.type === 'category') {
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var categorySortInfo = axis.model.get('categorySortInfo');
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axis.scale.setSortInfo(categorySortInfo);
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}
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});
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ecModel.eachSeries(function (seriesModel) {
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if (isCartesian2DSeries(seriesModel)) {
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var axesModelMap = findAxisModels(seriesModel);
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var xAxisModel = axesModelMap.xAxisModel;
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var yAxisModel = axesModelMap.yAxisModel;
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if (!isAxisUsedInTheGrid(xAxisModel, gridModel) || !isAxisUsedInTheGrid(yAxisModel, gridModel)) {
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return;
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}
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var cartesian = this.getCartesian(xAxisModel.componentIndex, yAxisModel.componentIndex);
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var data = seriesModel.getData();
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var xAxis = cartesian.getAxis('x');
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var yAxis = cartesian.getAxis('y');
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unionExtent(data, xAxis);
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unionExtent(data, yAxis);
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}
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}, this);
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function unionExtent(data, axis) {
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each(getDataDimensionsOnAxis(data, axis.dim), function (dim) {
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axis.scale.unionExtentFromData(data, dim);
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});
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}
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};
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/**
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* @param dim 'x' or 'y' or 'auto' or null/undefined
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*/
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Grid.prototype.getTooltipAxes = function (dim) {
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var baseAxes = [];
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var otherAxes = [];
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each(this.getCartesians(), function (cartesian) {
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var baseAxis = dim != null && dim !== 'auto' ? cartesian.getAxis(dim) : cartesian.getBaseAxis();
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var otherAxis = cartesian.getOtherAxis(baseAxis);
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indexOf(baseAxes, baseAxis) < 0 && baseAxes.push(baseAxis);
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indexOf(otherAxes, otherAxis) < 0 && otherAxes.push(otherAxis);
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});
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return {
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baseAxes: baseAxes,
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otherAxes: otherAxes
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};
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};
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Grid.create = function (ecModel, api) {
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var grids = [];
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ecModel.eachComponent('grid', function (gridModel, idx) {
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var grid = new Grid(gridModel, ecModel, api);
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grid.name = 'grid_' + idx;
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// dataSampling requires axis extent, so resize
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// should be performed in create stage.
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grid.resize(gridModel, api, true);
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gridModel.coordinateSystem = grid;
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grids.push(grid);
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});
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// Inject the coordinateSystems into seriesModel
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ecModel.eachSeries(function (seriesModel) {
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if (!isCartesian2DSeries(seriesModel)) {
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return;
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}
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var axesModelMap = findAxisModels(seriesModel);
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var xAxisModel = axesModelMap.xAxisModel;
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var yAxisModel = axesModelMap.yAxisModel;
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var gridModel = xAxisModel.getCoordSysModel();
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if (process.env.NODE_ENV !== 'production') {
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if (!gridModel) {
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throw new Error('Grid "' + retrieve3(xAxisModel.get('gridIndex'), xAxisModel.get('gridId'), 0) + '" not found');
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}
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if (xAxisModel.getCoordSysModel() !== yAxisModel.getCoordSysModel()) {
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throw new Error('xAxis and yAxis must use the same grid');
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}
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}
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var grid = gridModel.coordinateSystem;
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seriesModel.coordinateSystem = grid.getCartesian(xAxisModel.componentIndex, yAxisModel.componentIndex);
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});
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return grids;
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};
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// For deciding which dimensions to use when creating list data
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Grid.dimensions = cartesian2DDimensions;
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return Grid;
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}();
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/**
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* Check if the axis is used in the specified grid.
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*/
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function isAxisUsedInTheGrid(axisModel, gridModel) {
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return axisModel.getCoordSysModel() === gridModel;
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}
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function fixAxisOnZero(axesMap, otherAxisDim, axis,
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// Key: see `getOnZeroRecordKey`
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onZeroRecords) {
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axis.getAxesOnZeroOf = function () {
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// TODO: onZero of multiple axes.
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return otherAxisOnZeroOf ? [otherAxisOnZeroOf] : [];
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};
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// onZero can not be enabled in these two situations:
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// 1. When any other axis is a category axis.
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// 2. When no axis is cross 0 point.
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var otherAxes = axesMap[otherAxisDim];
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var otherAxisOnZeroOf;
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var axisModel = axis.model;
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var onZero = axisModel.get(['axisLine', 'onZero']);
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var onZeroAxisIndex = axisModel.get(['axisLine', 'onZeroAxisIndex']);
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if (!onZero) {
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return;
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}
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// If target axis is specified.
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if (onZeroAxisIndex != null) {
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if (canOnZeroToAxis(otherAxes[onZeroAxisIndex])) {
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otherAxisOnZeroOf = otherAxes[onZeroAxisIndex];
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}
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} else {
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// Find the first available other axis.
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for (var idx in otherAxes) {
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if (otherAxes.hasOwnProperty(idx) && canOnZeroToAxis(otherAxes[idx])
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// Consider that two Y axes on one value axis,
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// if both onZero, the two Y axes overlap.
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&& !onZeroRecords[getOnZeroRecordKey(otherAxes[idx])]) {
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otherAxisOnZeroOf = otherAxes[idx];
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break;
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}
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}
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}
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if (otherAxisOnZeroOf) {
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onZeroRecords[getOnZeroRecordKey(otherAxisOnZeroOf)] = true;
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}
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function getOnZeroRecordKey(axis) {
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return axis.dim + '_' + axis.index;
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}
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}
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function canOnZeroToAxis(axis) {
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return axis && axis.type !== 'category' && axis.type !== 'time' && ifAxisCrossZero(axis);
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}
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function updateAxisTransform(axis, coordBase) {
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var axisExtent = axis.getExtent();
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var axisExtentSum = axisExtent[0] + axisExtent[1];
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// Fast transform
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axis.toGlobalCoord = axis.dim === 'x' ? function (coord) {
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return coord + coordBase;
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} : function (coord) {
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return axisExtentSum - coord + coordBase;
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};
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axis.toLocalCoord = axis.dim === 'x' ? function (coord) {
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return coord - coordBase;
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} : function (coord) {
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return axisExtentSum - coord + coordBase;
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};
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}
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export default Grid; |