418 lines
14 KiB
JavaScript
418 lines
14 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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var _config = require("../../config");
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var __DEV__ = _config.__DEV__;
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var zrUtil = require("zrender/lib/core/util");
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var graphic = require("../../util/graphic");
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var modelUtil = require("../../util/model");
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var brushHelper = require("./brushHelper");
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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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var each = zrUtil.each;
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var indexOf = zrUtil.indexOf;
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var curry = zrUtil.curry;
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var COORD_CONVERTS = ['dataToPoint', 'pointToData']; // FIXME
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// how to genarialize to more coordinate systems.
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var INCLUDE_FINDER_MAIN_TYPES = ['grid', 'xAxis', 'yAxis', 'geo', 'graph', 'polar', 'radiusAxis', 'angleAxis', 'bmap'];
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/**
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* [option in constructor]:
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* {
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* Index/Id/Name of geo, xAxis, yAxis, grid: See util/model#parseFinder.
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* }
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*
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*
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* [targetInfo]:
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*
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* There can be multiple axes in a single targetInfo. Consider the case
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* of `grid` component, a targetInfo represents a grid which contains one or more
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* cartesian and one or more axes. And consider the case of parallel system,
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* which has multiple axes in a coordinate system.
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* Can be {
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* panelId: ...,
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* coordSys: <a representitive cartesian in grid (first cartesian by default)>,
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* coordSyses: all cartesians.
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* gridModel: <grid component>
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* xAxes: correspond to coordSyses on index
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* yAxes: correspond to coordSyses on index
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* }
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* or {
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* panelId: ...,
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* coordSys: <geo coord sys>
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* coordSyses: [<geo coord sys>]
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* geoModel: <geo component>
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* }
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*
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*
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* [panelOpt]:
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*
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* Make from targetInfo. Input to BrushController.
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* {
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* panelId: ...,
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* rect: ...
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* }
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*
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*
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* [area]:
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*
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* Generated by BrushController or user input.
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* {
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* panelId: Used to locate coordInfo directly. If user inpput, no panelId.
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* brushType: determine how to convert to/from coord('rect' or 'polygon' or 'lineX/Y').
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* Index/Id/Name of geo, xAxis, yAxis, grid: See util/model#parseFinder.
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* range: pixel range.
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* coordRange: representitive coord range (the first one of coordRanges).
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* coordRanges: <Array> coord ranges, used in multiple cartesian in one grid.
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* }
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*/
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/**
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* @param {Object} option contains Index/Id/Name of xAxis/yAxis/geo/grid
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* Each can be {number|Array.<number>}. like: {xAxisIndex: [3, 4]}
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* @param {module:echarts/model/Global} ecModel
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* @param {Object} [opt]
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* @param {Array.<string>} [opt.include] include coordinate system types.
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*/
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function BrushTargetManager(option, ecModel, opt) {
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/**
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* @private
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* @type {Array.<Object>}
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*/
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var targetInfoList = this._targetInfoList = [];
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var info = {};
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var foundCpts = parseFinder(ecModel, option);
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each(targetInfoBuilders, function (builder, type) {
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if (!opt || !opt.include || indexOf(opt.include, type) >= 0) {
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builder(foundCpts, targetInfoList, info);
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}
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});
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}
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var proto = BrushTargetManager.prototype;
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proto.setOutputRanges = function (areas, ecModel) {
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this.matchOutputRanges(areas, ecModel, function (area, coordRange, coordSys) {
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(area.coordRanges || (area.coordRanges = [])).push(coordRange); // area.coordRange is the first of area.coordRanges
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if (!area.coordRange) {
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area.coordRange = coordRange; // In 'category' axis, coord to pixel is not reversible, so we can not
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// rebuild range by coordRange accrately, which may bring trouble when
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// brushing only one item. So we use __rangeOffset to rebuilding range
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// by coordRange. And this it only used in brush component so it is no
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// need to be adapted to coordRanges.
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var result = coordConvert[area.brushType](0, coordSys, coordRange);
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area.__rangeOffset = {
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offset: diffProcessor[area.brushType](result.values, area.range, [1, 1]),
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xyMinMax: result.xyMinMax
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};
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}
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});
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};
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proto.matchOutputRanges = function (areas, ecModel, cb) {
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each(areas, function (area) {
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var targetInfo = this.findTargetInfo(area, ecModel);
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if (targetInfo && targetInfo !== true) {
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zrUtil.each(targetInfo.coordSyses, function (coordSys) {
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var result = coordConvert[area.brushType](1, coordSys, area.range);
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cb(area, result.values, coordSys, ecModel);
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});
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}
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}, this);
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};
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proto.setInputRanges = function (areas, ecModel) {
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each(areas, function (area) {
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var targetInfo = this.findTargetInfo(area, ecModel);
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area.range = area.range || []; // convert coordRange to global range and set panelId.
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if (targetInfo && targetInfo !== true) {
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area.panelId = targetInfo.panelId; // (1) area.range shoule always be calculate from coordRange but does
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// not keep its original value, for the sake of the dataZoom scenario,
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// where area.coordRange remains unchanged but area.range may be changed.
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// (2) Only support converting one coordRange to pixel range in brush
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// component. So do not consider `coordRanges`.
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// (3) About __rangeOffset, see comment above.
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var result = coordConvert[area.brushType](0, targetInfo.coordSys, area.coordRange);
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var rangeOffset = area.__rangeOffset;
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area.range = rangeOffset ? diffProcessor[area.brushType](result.values, rangeOffset.offset, getScales(result.xyMinMax, rangeOffset.xyMinMax)) : result.values;
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}
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}, this);
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};
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proto.makePanelOpts = function (api, getDefaultBrushType) {
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return zrUtil.map(this._targetInfoList, function (targetInfo) {
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var rect = targetInfo.getPanelRect();
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return {
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panelId: targetInfo.panelId,
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defaultBrushType: getDefaultBrushType && getDefaultBrushType(targetInfo),
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clipPath: brushHelper.makeRectPanelClipPath(rect),
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isTargetByCursor: brushHelper.makeRectIsTargetByCursor(rect, api, targetInfo.coordSysModel),
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getLinearBrushOtherExtent: brushHelper.makeLinearBrushOtherExtent(rect)
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};
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});
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};
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proto.controlSeries = function (area, seriesModel, ecModel) {
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// Check whether area is bound in coord, and series do not belong to that coord.
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// If do not do this check, some brush (like lineX) will controll all axes.
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var targetInfo = this.findTargetInfo(area, ecModel);
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return targetInfo === true || targetInfo && indexOf(targetInfo.coordSyses, seriesModel.coordinateSystem) >= 0;
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};
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/**
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* If return Object, a coord found.
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* If reutrn true, global found.
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* Otherwise nothing found.
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*
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* @param {Object} area
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* @param {Array} targetInfoList
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* @return {Object|boolean}
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*/
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proto.findTargetInfo = function (area, ecModel) {
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var targetInfoList = this._targetInfoList;
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var foundCpts = parseFinder(ecModel, area);
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for (var i = 0; i < targetInfoList.length; i++) {
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var targetInfo = targetInfoList[i];
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var areaPanelId = area.panelId;
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if (areaPanelId) {
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if (targetInfo.panelId === areaPanelId) {
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return targetInfo;
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}
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} else {
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for (var i = 0; i < targetInfoMatchers.length; i++) {
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if (targetInfoMatchers[i](foundCpts, targetInfo)) {
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return targetInfo;
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}
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}
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}
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}
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return true;
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};
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function formatMinMax(minMax) {
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minMax[0] > minMax[1] && minMax.reverse();
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return minMax;
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}
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function parseFinder(ecModel, option) {
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return modelUtil.parseFinder(ecModel, option, {
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includeMainTypes: INCLUDE_FINDER_MAIN_TYPES
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});
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}
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var targetInfoBuilders = {
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grid: function (foundCpts, targetInfoList) {
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var xAxisModels = foundCpts.xAxisModels;
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var yAxisModels = foundCpts.yAxisModels;
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var gridModels = foundCpts.gridModels; // Remove duplicated.
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var gridModelMap = zrUtil.createHashMap();
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var xAxesHas = {};
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var yAxesHas = {};
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if (!xAxisModels && !yAxisModels && !gridModels) {
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return;
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}
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each(xAxisModels, function (axisModel) {
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var gridModel = axisModel.axis.grid.model;
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gridModelMap.set(gridModel.id, gridModel);
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xAxesHas[gridModel.id] = true;
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});
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each(yAxisModels, function (axisModel) {
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var gridModel = axisModel.axis.grid.model;
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gridModelMap.set(gridModel.id, gridModel);
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yAxesHas[gridModel.id] = true;
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});
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each(gridModels, function (gridModel) {
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gridModelMap.set(gridModel.id, gridModel);
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xAxesHas[gridModel.id] = true;
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yAxesHas[gridModel.id] = true;
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});
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gridModelMap.each(function (gridModel) {
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var grid = gridModel.coordinateSystem;
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var cartesians = [];
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each(grid.getCartesians(), function (cartesian, index) {
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if (indexOf(xAxisModels, cartesian.getAxis('x').model) >= 0 || indexOf(yAxisModels, cartesian.getAxis('y').model) >= 0) {
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cartesians.push(cartesian);
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}
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});
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targetInfoList.push({
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panelId: 'grid--' + gridModel.id,
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gridModel: gridModel,
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coordSysModel: gridModel,
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// Use the first one as the representitive coordSys.
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coordSys: cartesians[0],
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coordSyses: cartesians,
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getPanelRect: panelRectBuilder.grid,
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xAxisDeclared: xAxesHas[gridModel.id],
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yAxisDeclared: yAxesHas[gridModel.id]
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});
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});
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},
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geo: function (foundCpts, targetInfoList) {
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each(foundCpts.geoModels, function (geoModel) {
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var coordSys = geoModel.coordinateSystem;
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targetInfoList.push({
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panelId: 'geo--' + geoModel.id,
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geoModel: geoModel,
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coordSysModel: geoModel,
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coordSys: coordSys,
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coordSyses: [coordSys],
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getPanelRect: panelRectBuilder.geo
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});
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});
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}
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};
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var targetInfoMatchers = [// grid
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function (foundCpts, targetInfo) {
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var xAxisModel = foundCpts.xAxisModel;
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var yAxisModel = foundCpts.yAxisModel;
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var gridModel = foundCpts.gridModel;
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!gridModel && xAxisModel && (gridModel = xAxisModel.axis.grid.model);
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!gridModel && yAxisModel && (gridModel = yAxisModel.axis.grid.model);
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return gridModel && gridModel === targetInfo.gridModel;
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}, // geo
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function (foundCpts, targetInfo) {
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var geoModel = foundCpts.geoModel;
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return geoModel && geoModel === targetInfo.geoModel;
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}];
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var panelRectBuilder = {
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grid: function () {
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// grid is not Transformable.
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return this.coordSys.grid.getRect().clone();
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},
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geo: function () {
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var coordSys = this.coordSys;
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var rect = coordSys.getBoundingRect().clone(); // geo roam and zoom transform
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rect.applyTransform(graphic.getTransform(coordSys));
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return rect;
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}
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};
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var coordConvert = {
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lineX: curry(axisConvert, 0),
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lineY: curry(axisConvert, 1),
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rect: function (to, coordSys, rangeOrCoordRange) {
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var xminymin = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][0], rangeOrCoordRange[1][0]]);
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var xmaxymax = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][1], rangeOrCoordRange[1][1]]);
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var values = [formatMinMax([xminymin[0], xmaxymax[0]]), formatMinMax([xminymin[1], xmaxymax[1]])];
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return {
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values: values,
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xyMinMax: values
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};
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},
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polygon: function (to, coordSys, rangeOrCoordRange) {
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var xyMinMax = [[Infinity, -Infinity], [Infinity, -Infinity]];
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var values = zrUtil.map(rangeOrCoordRange, function (item) {
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var p = coordSys[COORD_CONVERTS[to]](item);
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xyMinMax[0][0] = Math.min(xyMinMax[0][0], p[0]);
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xyMinMax[1][0] = Math.min(xyMinMax[1][0], p[1]);
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xyMinMax[0][1] = Math.max(xyMinMax[0][1], p[0]);
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xyMinMax[1][1] = Math.max(xyMinMax[1][1], p[1]);
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return p;
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});
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return {
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values: values,
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xyMinMax: xyMinMax
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};
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}
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};
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function axisConvert(axisNameIndex, to, coordSys, rangeOrCoordRange) {
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var axis = coordSys.getAxis(['x', 'y'][axisNameIndex]);
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var values = formatMinMax(zrUtil.map([0, 1], function (i) {
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return to ? axis.coordToData(axis.toLocalCoord(rangeOrCoordRange[i])) : axis.toGlobalCoord(axis.dataToCoord(rangeOrCoordRange[i]));
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}));
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var xyMinMax = [];
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xyMinMax[axisNameIndex] = values;
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xyMinMax[1 - axisNameIndex] = [NaN, NaN];
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return {
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values: values,
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xyMinMax: xyMinMax
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};
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}
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var diffProcessor = {
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lineX: curry(axisDiffProcessor, 0),
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lineY: curry(axisDiffProcessor, 1),
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rect: function (values, refer, scales) {
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return [[values[0][0] - scales[0] * refer[0][0], values[0][1] - scales[0] * refer[0][1]], [values[1][0] - scales[1] * refer[1][0], values[1][1] - scales[1] * refer[1][1]]];
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},
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polygon: function (values, refer, scales) {
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return zrUtil.map(values, function (item, idx) {
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return [item[0] - scales[0] * refer[idx][0], item[1] - scales[1] * refer[idx][1]];
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});
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}
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};
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function axisDiffProcessor(axisNameIndex, values, refer, scales) {
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return [values[0] - scales[axisNameIndex] * refer[0], values[1] - scales[axisNameIndex] * refer[1]];
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} // We have to process scale caused by dataZoom manually,
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// although it might be not accurate.
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function getScales(xyMinMaxCurr, xyMinMaxOrigin) {
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var sizeCurr = getSize(xyMinMaxCurr);
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var sizeOrigin = getSize(xyMinMaxOrigin);
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var scales = [sizeCurr[0] / sizeOrigin[0], sizeCurr[1] / sizeOrigin[1]];
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isNaN(scales[0]) && (scales[0] = 1);
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isNaN(scales[1]) && (scales[1] = 1);
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return scales;
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}
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function getSize(xyMinMax) {
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return xyMinMax ? [xyMinMax[0][1] - xyMinMax[0][0], xyMinMax[1][1] - xyMinMax[1][0]] : [NaN, NaN];
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}
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var _default = BrushTargetManager;
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module.exports = _default; |