329 lines
12 KiB
JavaScript
329 lines
12 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 zrUtil = require("zrender/lib/core/util");
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var Model = require("../../model/Model");
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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 curry = zrUtil.curry; // Build axisPointerModel, mergin tooltip.axisPointer model for each axis.
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// allAxesInfo should be updated when setOption performed.
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function collect(ecModel, api) {
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var result = {
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/**
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* key: makeKey(axis.model)
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* value: {
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* axis,
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* coordSys,
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* axisPointerModel,
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* triggerTooltip,
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* involveSeries,
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* snap,
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* seriesModels,
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* seriesDataCount
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* }
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*/
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axesInfo: {},
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seriesInvolved: false,
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/**
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* key: makeKey(coordSys.model)
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* value: Object: key makeKey(axis.model), value: axisInfo
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*/
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coordSysAxesInfo: {},
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coordSysMap: {}
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};
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collectAxesInfo(result, ecModel, api); // Check seriesInvolved for performance, in case too many series in some chart.
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result.seriesInvolved && collectSeriesInfo(result, ecModel);
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return result;
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}
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function collectAxesInfo(result, ecModel, api) {
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var globalTooltipModel = ecModel.getComponent('tooltip');
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var globalAxisPointerModel = ecModel.getComponent('axisPointer'); // links can only be set on global.
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var linksOption = globalAxisPointerModel.get('link', true) || [];
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var linkGroups = []; // Collect axes info.
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each(api.getCoordinateSystems(), function (coordSys) {
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// Some coordinate system do not support axes, like geo.
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if (!coordSys.axisPointerEnabled) {
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return;
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}
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var coordSysKey = makeKey(coordSys.model);
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var axesInfoInCoordSys = result.coordSysAxesInfo[coordSysKey] = {};
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result.coordSysMap[coordSysKey] = coordSys; // Set tooltip (like 'cross') is a convienent way to show axisPointer
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// for user. So we enable seting tooltip on coordSys model.
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var coordSysModel = coordSys.model;
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var baseTooltipModel = coordSysModel.getModel('tooltip', globalTooltipModel);
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each(coordSys.getAxes(), curry(saveTooltipAxisInfo, false, null)); // If axis tooltip used, choose tooltip axis for each coordSys.
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// Notice this case: coordSys is `grid` but not `cartesian2D` here.
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if (coordSys.getTooltipAxes && globalTooltipModel // If tooltip.showContent is set as false, tooltip will not
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// show but axisPointer will show as normal.
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&& baseTooltipModel.get('show')) {
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// Compatible with previous logic. But series.tooltip.trigger: 'axis'
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// or series.data[n].tooltip.trigger: 'axis' are not support any more.
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var triggerAxis = baseTooltipModel.get('trigger') === 'axis';
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var cross = baseTooltipModel.get('axisPointer.type') === 'cross';
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var tooltipAxes = coordSys.getTooltipAxes(baseTooltipModel.get('axisPointer.axis'));
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if (triggerAxis || cross) {
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each(tooltipAxes.baseAxes, curry(saveTooltipAxisInfo, cross ? 'cross' : true, triggerAxis));
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}
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if (cross) {
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each(tooltipAxes.otherAxes, curry(saveTooltipAxisInfo, 'cross', false));
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}
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} // fromTooltip: true | false | 'cross'
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// triggerTooltip: true | false | null
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function saveTooltipAxisInfo(fromTooltip, triggerTooltip, axis) {
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var axisPointerModel = axis.model.getModel('axisPointer', globalAxisPointerModel);
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var axisPointerShow = axisPointerModel.get('show');
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if (!axisPointerShow || axisPointerShow === 'auto' && !fromTooltip && !isHandleTrigger(axisPointerModel)) {
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return;
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}
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if (triggerTooltip == null) {
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triggerTooltip = axisPointerModel.get('triggerTooltip');
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}
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axisPointerModel = fromTooltip ? makeAxisPointerModel(axis, baseTooltipModel, globalAxisPointerModel, ecModel, fromTooltip, triggerTooltip) : axisPointerModel;
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var snap = axisPointerModel.get('snap');
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var key = makeKey(axis.model);
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var involveSeries = triggerTooltip || snap || axis.type === 'category'; // If result.axesInfo[key] exist, override it (tooltip has higher priority).
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var axisInfo = result.axesInfo[key] = {
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key: key,
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axis: axis,
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coordSys: coordSys,
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axisPointerModel: axisPointerModel,
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triggerTooltip: triggerTooltip,
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involveSeries: involveSeries,
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snap: snap,
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useHandle: isHandleTrigger(axisPointerModel),
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seriesModels: []
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};
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axesInfoInCoordSys[key] = axisInfo;
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result.seriesInvolved |= involveSeries;
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var groupIndex = getLinkGroupIndex(linksOption, axis);
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if (groupIndex != null) {
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var linkGroup = linkGroups[groupIndex] || (linkGroups[groupIndex] = {
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axesInfo: {}
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});
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linkGroup.axesInfo[key] = axisInfo;
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linkGroup.mapper = linksOption[groupIndex].mapper;
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axisInfo.linkGroup = linkGroup;
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}
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}
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});
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}
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function makeAxisPointerModel(axis, baseTooltipModel, globalAxisPointerModel, ecModel, fromTooltip, triggerTooltip) {
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var tooltipAxisPointerModel = baseTooltipModel.getModel('axisPointer');
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var volatileOption = {};
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each(['type', 'snap', 'lineStyle', 'shadowStyle', 'label', 'animation', 'animationDurationUpdate', 'animationEasingUpdate', 'z'], function (field) {
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volatileOption[field] = zrUtil.clone(tooltipAxisPointerModel.get(field));
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}); // category axis do not auto snap, otherwise some tick that do not
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// has value can not be hovered. value/time/log axis default snap if
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// triggered from tooltip and trigger tooltip.
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volatileOption.snap = axis.type !== 'category' && !!triggerTooltip; // Compatibel with previous behavior, tooltip axis do not show label by default.
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// Only these properties can be overrided from tooltip to axisPointer.
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if (tooltipAxisPointerModel.get('type') === 'cross') {
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volatileOption.type = 'line';
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}
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var labelOption = volatileOption.label || (volatileOption.label = {}); // Follow the convention, do not show label when triggered by tooltip by default.
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labelOption.show == null && (labelOption.show = false);
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if (fromTooltip === 'cross') {
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// When 'cross', both axes show labels.
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var tooltipAxisPointerLabelShow = tooltipAxisPointerModel.get('label.show');
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labelOption.show = tooltipAxisPointerLabelShow != null ? tooltipAxisPointerLabelShow : true; // If triggerTooltip, this is a base axis, which should better not use cross style
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// (cross style is dashed by default)
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if (!triggerTooltip) {
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var crossStyle = volatileOption.lineStyle = tooltipAxisPointerModel.get('crossStyle');
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crossStyle && zrUtil.defaults(labelOption, crossStyle.textStyle);
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}
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}
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return axis.model.getModel('axisPointer', new Model(volatileOption, globalAxisPointerModel, ecModel));
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}
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function collectSeriesInfo(result, ecModel) {
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// Prepare data for axis trigger
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ecModel.eachSeries(function (seriesModel) {
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// Notice this case: this coordSys is `cartesian2D` but not `grid`.
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var coordSys = seriesModel.coordinateSystem;
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var seriesTooltipTrigger = seriesModel.get('tooltip.trigger', true);
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var seriesTooltipShow = seriesModel.get('tooltip.show', true);
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if (!coordSys || seriesTooltipTrigger === 'none' || seriesTooltipTrigger === false || seriesTooltipTrigger === 'item' || seriesTooltipShow === false || seriesModel.get('axisPointer.show', true) === false) {
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return;
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}
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each(result.coordSysAxesInfo[makeKey(coordSys.model)], function (axisInfo) {
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var axis = axisInfo.axis;
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if (coordSys.getAxis(axis.dim) === axis) {
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axisInfo.seriesModels.push(seriesModel);
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axisInfo.seriesDataCount == null && (axisInfo.seriesDataCount = 0);
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axisInfo.seriesDataCount += seriesModel.getData().count();
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}
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});
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}, this);
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}
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/**
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* For example:
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* {
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* axisPointer: {
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* links: [{
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* xAxisIndex: [2, 4],
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* yAxisIndex: 'all'
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* }, {
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* xAxisId: ['a5', 'a7'],
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* xAxisName: 'xxx'
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* }]
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* }
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* }
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*/
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function getLinkGroupIndex(linksOption, axis) {
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var axisModel = axis.model;
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var dim = axis.dim;
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for (var i = 0; i < linksOption.length; i++) {
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var linkOption = linksOption[i] || {};
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if (checkPropInLink(linkOption[dim + 'AxisId'], axisModel.id) || checkPropInLink(linkOption[dim + 'AxisIndex'], axisModel.componentIndex) || checkPropInLink(linkOption[dim + 'AxisName'], axisModel.name)) {
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return i;
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}
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}
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}
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function checkPropInLink(linkPropValue, axisPropValue) {
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return linkPropValue === 'all' || zrUtil.isArray(linkPropValue) && zrUtil.indexOf(linkPropValue, axisPropValue) >= 0 || linkPropValue === axisPropValue;
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}
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function fixValue(axisModel) {
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var axisInfo = getAxisInfo(axisModel);
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if (!axisInfo) {
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return;
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}
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var axisPointerModel = axisInfo.axisPointerModel;
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var scale = axisInfo.axis.scale;
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var option = axisPointerModel.option;
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var status = axisPointerModel.get('status');
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var value = axisPointerModel.get('value'); // Parse init value for category and time axis.
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if (value != null) {
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value = scale.parse(value);
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}
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var useHandle = isHandleTrigger(axisPointerModel); // If `handle` used, `axisPointer` will always be displayed, so value
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// and status should be initialized.
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if (status == null) {
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option.status = useHandle ? 'show' : 'hide';
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}
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var extent = scale.getExtent().slice();
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extent[0] > extent[1] && extent.reverse();
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if ( // Pick a value on axis when initializing.
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value == null // If both `handle` and `dataZoom` are used, value may be out of axis extent,
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// where we should re-pick a value to keep `handle` displaying normally.
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|| value > extent[1]) {
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// Make handle displayed on the end of the axis when init, which looks better.
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value = extent[1];
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}
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if (value < extent[0]) {
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value = extent[0];
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}
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option.value = value;
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if (useHandle) {
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option.status = axisInfo.axis.scale.isBlank() ? 'hide' : 'show';
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}
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}
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function getAxisInfo(axisModel) {
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var coordSysAxesInfo = (axisModel.ecModel.getComponent('axisPointer') || {}).coordSysAxesInfo;
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return coordSysAxesInfo && coordSysAxesInfo.axesInfo[makeKey(axisModel)];
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}
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function getAxisPointerModel(axisModel) {
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var axisInfo = getAxisInfo(axisModel);
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return axisInfo && axisInfo.axisPointerModel;
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}
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function isHandleTrigger(axisPointerModel) {
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return !!axisPointerModel.get('handle.show');
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}
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/**
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* @param {module:echarts/model/Model} model
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* @return {string} unique key
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*/
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function makeKey(model) {
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return model.type + '||' + model.id;
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}
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exports.collect = collect;
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exports.fixValue = fixValue;
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exports.getAxisInfo = getAxisInfo;
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exports.getAxisPointerModel = getAxisPointerModel;
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exports.makeKey = makeKey;
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