echarts TooltipView 源码
echarts TooltipView 代码
文件路径:/src/component/tooltip/TooltipView.ts
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { bind, each, clone, trim, isString, isFunction, isArray, isObject, extend } from 'zrender/src/core/util';
import env from 'zrender/src/core/env';
import TooltipHTMLContent from './TooltipHTMLContent';
import TooltipRichContent from './TooltipRichContent';
import { convertToColorString, formatTpl, TooltipMarker } from '../../util/format';
import { parsePercent } from '../../util/number';
import { Rect } from '../../util/graphic';
import findPointFromSeries from '../axisPointer/findPointFromSeries';
import { getLayoutRect } from '../../util/layout';
import Model from '../../model/Model';
import * as globalListener from '../axisPointer/globalListener';
import * as axisHelper from '../../coord/axisHelper';
import * as axisPointerViewHelper from '../axisPointer/viewHelper';
import { getTooltipRenderMode, preParseFinder, queryReferringComponents } from '../../util/model';
import ComponentView from '../../view/Component';
import { format as timeFormat } from '../../util/time';
import {
HorizontalAlign,
VerticalAlign,
ZRRectLike,
BoxLayoutOptionMixin,
CallbackDataParams,
TooltipRenderMode,
ECElement,
CommonTooltipOption,
ZRColor,
ComponentMainType,
ComponentItemTooltipOption
} from '../../util/types';
import GlobalModel from '../../model/Global';
import ExtensionAPI from '../../core/ExtensionAPI';
import TooltipModel, { TooltipOption } from './TooltipModel';
import Element from 'zrender/src/Element';
import { AxisBaseModel } from '../../coord/AxisBaseModel';
import { ECData, getECData } from '../../util/innerStore';
import { shouldTooltipConfine } from './helper';
import { DataByCoordSys, DataByAxis } from '../axisPointer/axisTrigger';
import { normalizeTooltipFormatResult } from '../../model/mixin/dataFormat';
import { createTooltipMarkup, buildTooltipMarkup, TooltipMarkupStyleCreator } from './tooltipMarkup';
import { findEventDispatcher } from '../../util/event';
import { clear, createOrUpdate } from '../../util/throttle';
const proxyRect = new Rect({
shape: { x: -1, y: -1, width: 2, height: 2 }
});
interface DataIndex {
seriesIndex: number
dataIndex: number
dataIndexInside: number
}
interface ShowTipPayload {
type?: 'showTip'
from?: string
// Type 1
tooltip?: ECData['tooltipConfig']['option']
// Type 2
dataByCoordSys?: DataByCoordSys[]
tooltipOption?: CommonTooltipOption<TooltipCallbackDataParams | TooltipCallbackDataParams[]>
// Type 3
seriesIndex?: number
dataIndex?: number
// Type 4
name?: string // target item name that enable tooltip.
// legendIndex: 0,
// toolboxId: 'some_id',
// geoName: 'some_name',
x?: number
y?: number
position?: TooltipOption['position']
dispatchAction?: ExtensionAPI['dispatchAction']
}
interface HideTipPayload {
type?: 'hideTip'
from?: string
dispatchAction?: ExtensionAPI['dispatchAction']
}
interface TryShowParams {
target?: ECElement,
offsetX?: number
offsetY?: number
/**
* Used for axis trigger.
*/
dataByCoordSys?: DataByCoordSys[]
tooltipOption?: ComponentItemTooltipOption<TooltipCallbackDataParams | TooltipCallbackDataParams[]>
position?: TooltipOption['position']
/**
* If `position` is not set in payload nor option, use it.
*/
positionDefault?: TooltipOption['position']
}
type TooltipCallbackDataParams = CallbackDataParams & {
axisDim?: string
axisIndex?: number
axisType?: string
axisId?: string
// TODO: TYPE Value type
axisValue?: string | number
axisValueLabel?: string
marker?: TooltipMarker
};
class TooltipView extends ComponentView {
static type = 'tooltip' as const;
type = TooltipView.type;
private _renderMode: TooltipRenderMode;
private _tooltipModel: TooltipModel;
private _ecModel: GlobalModel;
private _api: ExtensionAPI;
private _alwaysShowContent: boolean;
private _tooltipContent: TooltipHTMLContent | TooltipRichContent;
private _refreshUpdateTimeout: number;
private _lastX: number;
private _lastY: number;
private _ticket: string;
private _showTimout: number;
private _lastDataByCoordSys: DataByCoordSys[];
private _cbParamsList: TooltipCallbackDataParams[];
init(ecModel: GlobalModel, api: ExtensionAPI) {
if (env.node || !api.getDom()) {
return;
}
const tooltipModel = ecModel.getComponent('tooltip') as TooltipModel;
const renderMode = this._renderMode = getTooltipRenderMode(tooltipModel.get('renderMode'));
this._tooltipContent = renderMode === 'richText'
? new TooltipRichContent(api)
: new TooltipHTMLContent(api.getDom(), api, {
appendToBody: tooltipModel.get('appendToBody', true)
});
}
render(
tooltipModel: TooltipModel,
ecModel: GlobalModel,
api: ExtensionAPI
) {
if (env.node || !api.getDom()) {
return;
}
// Reset
this.group.removeAll();
this._tooltipModel = tooltipModel;
this._ecModel = ecModel;
this._api = api;
/**
* @private
* @type {boolean}
*/
this._alwaysShowContent = tooltipModel.get('alwaysShowContent');
const tooltipContent = this._tooltipContent;
tooltipContent.update(tooltipModel);
tooltipContent.setEnterable(tooltipModel.get('enterable'));
this._initGlobalListener();
this._keepShow();
// PENDING
// `mousemove` event will be triggered very frequently when the mouse moves fast,
// which causes that the `updatePosition` function was also called frequently.
// In Chrome with devtools open and Firefox, tooltip looks laggy and shakes. See #14695 #16101
// To avoid frequent triggering,
// consider throttling it in 50ms when transition is enabled
if (this._renderMode !== 'richText' && tooltipModel.get('transitionDuration')) {
createOrUpdate(this, '_updatePosition', 50, 'fixRate');
}
else {
clear(this, '_updatePosition');
}
}
private _initGlobalListener() {
const tooltipModel = this._tooltipModel;
const triggerOn = tooltipModel.get('triggerOn');
globalListener.register(
'itemTooltip',
this._api,
bind(function (currTrigger, e, dispatchAction) {
// If 'none', it is not controlled by mouse totally.
if (triggerOn !== 'none') {
if (triggerOn.indexOf(currTrigger) >= 0) {
this._tryShow(e, dispatchAction);
}
else if (currTrigger === 'leave') {
this._hide(dispatchAction);
}
}
}, this)
);
}
private _keepShow() {
const tooltipModel = this._tooltipModel;
const ecModel = this._ecModel;
const api = this._api;
const triggerOn = tooltipModel.get('triggerOn');
// Try to keep the tooltip show when refreshing
if (this._lastX != null
&& this._lastY != null
// When user is willing to control tooltip totally using API,
// self.manuallyShowTip({x, y}) might cause tooltip hide,
// which is not expected.
&& triggerOn !== 'none'
&& triggerOn !== 'click'
) {
const self = this;
clearTimeout(this._refreshUpdateTimeout);
this._refreshUpdateTimeout = setTimeout(function () {
// Show tip next tick after other charts are rendered
// In case highlight action has wrong result
// FIXME
!api.isDisposed() && self.manuallyShowTip(tooltipModel, ecModel, api, {
x: self._lastX,
y: self._lastY,
dataByCoordSys: self._lastDataByCoordSys
});
}) as any;
}
}
/**
* Show tip manually by
* dispatchAction({
* type: 'showTip',
* x: 10,
* y: 10
* });
* Or
* dispatchAction({
* type: 'showTip',
* seriesIndex: 0,
* dataIndex or dataIndexInside or name
* });
*
* TODO Batch
*/
manuallyShowTip(
tooltipModel: TooltipModel,
ecModel: GlobalModel,
api: ExtensionAPI,
payload: ShowTipPayload
) {
if (payload.from === this.uid || env.node || !api.getDom()) {
return;
}
const dispatchAction = makeDispatchAction(payload, api);
// Reset ticket
this._ticket = '';
// When triggered from axisPointer.
const dataByCoordSys = payload.dataByCoordSys;
const cmptRef = findComponentReference(payload, ecModel, api);
if (cmptRef) {
const rect = cmptRef.el.getBoundingRect().clone();
rect.applyTransform(cmptRef.el.transform);
this._tryShow({
offsetX: rect.x + rect.width / 2,
offsetY: rect.y + rect.height / 2,
target: cmptRef.el,
position: payload.position,
// When manully trigger, the mouse is not on the el, so we'd better to
// position tooltip on the bottom of the el and display arrow is possible.
positionDefault: 'bottom'
}, dispatchAction);
}
else if (payload.tooltip && payload.x != null && payload.y != null) {
const el = proxyRect as unknown as ECElement;
el.x = payload.x;
el.y = payload.y;
el.update();
getECData(el).tooltipConfig = {
name: null,
option: payload.tooltip
};
// Manually show tooltip while view is not using zrender elements.
this._tryShow({
offsetX: payload.x,
offsetY: payload.y,
target: el
}, dispatchAction);
}
else if (dataByCoordSys) {
this._tryShow({
offsetX: payload.x,
offsetY: payload.y,
position: payload.position,
dataByCoordSys: dataByCoordSys,
tooltipOption: payload.tooltipOption
}, dispatchAction);
}
else if (payload.seriesIndex != null) {
if (this._manuallyAxisShowTip(tooltipModel, ecModel, api, payload)) {
return;
}
const pointInfo = findPointFromSeries(payload, ecModel);
const cx = pointInfo.point[0];
const cy = pointInfo.point[1];
if (cx != null && cy != null) {
this._tryShow({
offsetX: cx,
offsetY: cy,
target: pointInfo.el,
position: payload.position,
// When manully trigger, the mouse is not on the el, so we'd better to
// position tooltip on the bottom of the el and display arrow is possible.
positionDefault: 'bottom'
}, dispatchAction);
}
}
else if (payload.x != null && payload.y != null) {
// FIXME
// should wrap dispatchAction like `axisPointer/globalListener` ?
api.dispatchAction({
type: 'updateAxisPointer',
x: payload.x,
y: payload.y
});
this._tryShow({
offsetX: payload.x,
offsetY: payload.y,
position: payload.position,
target: api.getZr().findHover(payload.x, payload.y).target
}, dispatchAction);
}
}
manuallyHideTip(
tooltipModel: TooltipModel,
ecModel: GlobalModel,
api: ExtensionAPI,
payload: HideTipPayload
) {
const tooltipContent = this._tooltipContent;
if (!this._alwaysShowContent && this._tooltipModel) {
tooltipContent.hideLater(this._tooltipModel.get('hideDelay'));
}
this._lastX = this._lastY = this._lastDataByCoordSys = null;
if (payload.from !== this.uid) {
this._hide(makeDispatchAction(payload, api));
}
}
// Be compatible with previous design, that is, when tooltip.type is 'axis' and
// dispatchAction 'showTip' with seriesIndex and dataIndex will trigger axis pointer
// and tooltip.
private _manuallyAxisShowTip(
tooltipModel: TooltipModel,
ecModel: GlobalModel,
api: ExtensionAPI,
payload: ShowTipPayload
) {
const seriesIndex = payload.seriesIndex;
const dataIndex = payload.dataIndex;
// @ts-ignore
const coordSysAxesInfo = ecModel.getComponent('axisPointer').coordSysAxesInfo;
if (seriesIndex == null || dataIndex == null || coordSysAxesInfo == null) {
return;
}
const seriesModel = ecModel.getSeriesByIndex(seriesIndex);
if (!seriesModel) {
return;
}
const data = seriesModel.getData();
const tooltipCascadedModel = buildTooltipModel([
data.getItemModel<TooltipableOption>(dataIndex),
seriesModel as Model<TooltipableOption>,
(seriesModel.coordinateSystem || {}).model as Model<TooltipableOption>
], this._tooltipModel);
if (tooltipCascadedModel.get('trigger') !== 'axis') {
return;
}
api.dispatchAction({
type: 'updateAxisPointer',
seriesIndex: seriesIndex,
dataIndex: dataIndex,
position: payload.position
});
return true;
}
private _tryShow(
e: TryShowParams,
dispatchAction: ExtensionAPI['dispatchAction']
) {
const el = e.target;
const tooltipModel = this._tooltipModel;
if (!tooltipModel) {
return;
}
// Save mouse x, mouse y. So we can try to keep showing the tip if chart is refreshed
this._lastX = e.offsetX;
this._lastY = e.offsetY;
const dataByCoordSys = e.dataByCoordSys;
if (dataByCoordSys && dataByCoordSys.length) {
this._showAxisTooltip(dataByCoordSys, e);
}
else if (el) {
this._lastDataByCoordSys = null;
let seriesDispatcher: Element;
let cmptDispatcher: Element;
findEventDispatcher(el, (target) => {
// Always show item tooltip if mouse is on the element with dataIndex
if (getECData(target).dataIndex != null) {
seriesDispatcher = target;
return true;
}
// Tooltip provided directly. Like legend.
if (getECData(target).tooltipConfig != null) {
cmptDispatcher = target;
return true;
}
}, true);
if (seriesDispatcher) {
this._showSeriesItemTooltip(e, seriesDispatcher, dispatchAction);
}
else if (cmptDispatcher) {
this._showComponentItemTooltip(e, cmptDispatcher, dispatchAction);
}
else {
this._hide(dispatchAction);
}
}
else {
this._lastDataByCoordSys = null;
this._hide(dispatchAction);
}
}
private _showOrMove(
tooltipModel: Model<TooltipOption>,
cb: () => void
) {
// showDelay is used in this case: tooltip.enterable is set
// as true. User intent to move mouse into tooltip and click
// something. `showDelay` makes it easier to enter the content
// but tooltip do not move immediately.
const delay = tooltipModel.get('showDelay');
cb = bind(cb, this);
clearTimeout(this._showTimout);
delay > 0
? (this._showTimout = setTimeout(cb, delay) as any)
: cb();
}
private _showAxisTooltip(
dataByCoordSys: DataByCoordSys[],
e: TryShowParams
) {
const ecModel = this._ecModel;
const globalTooltipModel = this._tooltipModel;
const point = [e.offsetX, e.offsetY];
const singleTooltipModel = buildTooltipModel(
[e.tooltipOption],
globalTooltipModel
);
const renderMode = this._renderMode;
const cbParamsList: TooltipCallbackDataParams[] = [];
const articleMarkup = createTooltipMarkup('section', {
blocks: [],
noHeader: true
});
// Only for legacy: `Serise['formatTooltip']` returns a string.
const markupTextArrLegacy: string[] = [];
const markupStyleCreator = new TooltipMarkupStyleCreator();
each(dataByCoordSys, function (itemCoordSys) {
each(itemCoordSys.dataByAxis, function (axisItem) {
const axisModel = ecModel.getComponent(axisItem.axisDim + 'Axis', axisItem.axisIndex) as AxisBaseModel;
const axisValue = axisItem.value;
if (!axisModel || axisValue == null) {
return;
}
const axisValueLabel = axisPointerViewHelper.getValueLabel(
axisValue, axisModel.axis, ecModel,
axisItem.seriesDataIndices,
axisItem.valueLabelOpt
);
const axisSectionMarkup = createTooltipMarkup('section', {
header: axisValueLabel,
noHeader: !trim(axisValueLabel),
sortBlocks: true,
blocks: []
});
articleMarkup.blocks.push(axisSectionMarkup);
each(axisItem.seriesDataIndices, function (idxItem) {
const series = ecModel.getSeriesByIndex(idxItem.seriesIndex);
const dataIndex = idxItem.dataIndexInside;
const cbParams = series.getDataParams(dataIndex) as TooltipCallbackDataParams;
// Can't find data.
if (cbParams.dataIndex < 0) {
return;
}
cbParams.axisDim = axisItem.axisDim;
cbParams.axisIndex = axisItem.axisIndex;
cbParams.axisType = axisItem.axisType;
cbParams.axisId = axisItem.axisId;
cbParams.axisValue = axisHelper.getAxisRawValue(
axisModel.axis, { value: axisValue as number }
);
cbParams.axisValueLabel = axisValueLabel;
// Pre-create marker style for makers. Users can assemble richText
// text in `formatter` callback and use those markers style.
cbParams.marker = markupStyleCreator.makeTooltipMarker(
'item', convertToColorString(cbParams.color), renderMode
);
const seriesTooltipResult = normalizeTooltipFormatResult(
series.formatTooltip(dataIndex, true, null)
);
const frag = seriesTooltipResult.frag;
if (frag) {
const valueFormatter = buildTooltipModel(
[series as Model<TooltipableOption>],
globalTooltipModel
).get('valueFormatter');
axisSectionMarkup.blocks.push(valueFormatter ? extend({ valueFormatter }, frag) : frag);
}
if (seriesTooltipResult.text) {
markupTextArrLegacy.push(seriesTooltipResult.text);
}
cbParamsList.push(cbParams);
});
});
});
// In most cases, the second axis is displays upper on the first one.
// So we reverse it to look better.
articleMarkup.blocks.reverse();
markupTextArrLegacy.reverse();
const positionExpr = e.position;
const orderMode = singleTooltipModel.get('order');
const builtMarkupText = buildTooltipMarkup(
articleMarkup, markupStyleCreator, renderMode, orderMode, ecModel.get('useUTC'),
singleTooltipModel.get('textStyle')
);
builtMarkupText && markupTextArrLegacy.unshift(builtMarkupText);
const blockBreak = renderMode === 'richText' ? '\n\n' : '<br/>';
const allMarkupText = markupTextArrLegacy.join(blockBreak);
this._showOrMove(singleTooltipModel, function (this: TooltipView) {
if (this._updateContentNotChangedOnAxis(dataByCoordSys, cbParamsList)) {
this._updatePosition(
singleTooltipModel,
positionExpr,
point[0], point[1],
this._tooltipContent,
cbParamsList
);
}
else {
this._showTooltipContent(
singleTooltipModel, allMarkupText, cbParamsList, Math.random() + '',
point[0], point[1], positionExpr, null, markupStyleCreator
);
}
});
// Do not trigger events here, because this branch only be entered
// from dispatchAction.
}
private _showSeriesItemTooltip(
e: TryShowParams,
dispatcher: ECElement,
dispatchAction: ExtensionAPI['dispatchAction']
) {
const ecModel = this._ecModel;
const ecData = getECData(dispatcher);
// Use dataModel in element if possible
// Used when mouseover on a element like markPoint or edge
// In which case, the data is not main data in series.
const seriesIndex = ecData.seriesIndex;
const seriesModel = ecModel.getSeriesByIndex(seriesIndex);
// For example, graph link.
const dataModel = ecData.dataModel || seriesModel;
const dataIndex = ecData.dataIndex;
const dataType = ecData.dataType;
const data = dataModel.getData(dataType);
const renderMode = this._renderMode;
const positionDefault = e.positionDefault;
const tooltipModel = buildTooltipModel(
[
data.getItemModel<TooltipableOption>(dataIndex),
dataModel,
seriesModel && (seriesModel.coordinateSystem || {}).model as Model<TooltipableOption>
],
this._tooltipModel,
positionDefault ? { position: positionDefault } : null
);
const tooltipTrigger = tooltipModel.get('trigger');
if (tooltipTrigger != null && tooltipTrigger !== 'item') {
return;
}
const params = dataModel.getDataParams(dataIndex, dataType);
const markupStyleCreator = new TooltipMarkupStyleCreator();
// Pre-create marker style for makers. Users can assemble richText
// text in `formatter` callback and use those markers style.
params.marker = markupStyleCreator.makeTooltipMarker(
'item', convertToColorString(params.color), renderMode
);
const seriesTooltipResult = normalizeTooltipFormatResult(
dataModel.formatTooltip(dataIndex, false, dataType)
);
const orderMode = tooltipModel.get('order');
const valueFormatter = tooltipModel.get('valueFormatter');
const frag = seriesTooltipResult.frag;
const markupText = frag ? buildTooltipMarkup(
valueFormatter ? extend({ valueFormatter }, frag) : frag,
markupStyleCreator,
renderMode,
orderMode,
ecModel.get('useUTC'),
tooltipModel.get('textStyle')
)
: seriesTooltipResult.text;
const asyncTicket = 'item_' + dataModel.name + '_' + dataIndex;
this._showOrMove(tooltipModel, function (this: TooltipView) {
this._showTooltipContent(
tooltipModel, markupText, params, asyncTicket,
e.offsetX, e.offsetY, e.position, e.target,
markupStyleCreator
);
});
// FIXME
// duplicated showtip if manuallyShowTip is called from dispatchAction.
dispatchAction({
type: 'showTip',
dataIndexInside: dataIndex,
dataIndex: data.getRawIndex(dataIndex),
seriesIndex: seriesIndex,
from: this.uid
});
}
private _showComponentItemTooltip(
e: TryShowParams,
el: ECElement,
dispatchAction: ExtensionAPI['dispatchAction']
) {
const ecData = getECData(el);
const tooltipConfig = ecData.tooltipConfig;
let tooltipOpt = tooltipConfig.option || {};
if (isString(tooltipOpt)) {
const content = tooltipOpt;
tooltipOpt = {
content: content,
// Fixed formatter
formatter: content
};
}
const tooltipModelCascade = [tooltipOpt] as TooltipModelOptionCascade[];
const cmpt = this._ecModel.getComponent(ecData.componentMainType, ecData.componentIndex);
if (cmpt) {
tooltipModelCascade.push(cmpt as Model<TooltipableOption>);
}
// In most cases, component tooltip formatter has different params with series tooltip formatter,
// so that they can not share the same formatter. Since the global tooltip formatter is used for series
// by convension, we do not use it as the default formatter for component.
tooltipModelCascade.push({ formatter: tooltipOpt.content });
const positionDefault = e.positionDefault;
const subTooltipModel = buildTooltipModel(
tooltipModelCascade,
this._tooltipModel,
positionDefault ? { position: positionDefault } : null
);
const defaultHtml = subTooltipModel.get('content');
const asyncTicket = Math.random() + '';
// PENDING: this case do not support richText style yet.
const markupStyleCreator = new TooltipMarkupStyleCreator();
// Do not check whether `trigger` is 'none' here, because `trigger`
// only works on coordinate system. In fact, we have not found case
// that requires setting `trigger` nothing on component yet.
this._showOrMove(subTooltipModel, function (this: TooltipView) {
// Use formatterParams from element defined in component
// Avoid users modify it.
const formatterParams = clone(subTooltipModel.get('formatterParams') as any || {});
this._showTooltipContent(
subTooltipModel, defaultHtml, formatterParams,
asyncTicket, e.offsetX, e.offsetY, e.position, el, markupStyleCreator
);
});
// If not dispatch showTip, tip may be hide triggered by axis.
dispatchAction({
type: 'showTip',
from: this.uid
});
}
private _showTooltipContent(
// Use Model<TooltipOption> insteadof TooltipModel because this model may be from series or other options.
// Instead of top level tooltip.
tooltipModel: Model<TooltipOption>,
defaultHtml: string,
params: TooltipCallbackDataParams | TooltipCallbackDataParams[],
asyncTicket: string,
x: number,
y: number,
positionExpr: TooltipOption['position'],
el: ECElement,
markupStyleCreator: TooltipMarkupStyleCreator
) {
// Reset ticket
this._ticket = '';
if (!tooltipModel.get('showContent') || !tooltipModel.get('show')) {
return;
}
const tooltipContent = this._tooltipContent;
tooltipContent.setEnterable(tooltipModel.get('enterable'));
const formatter = tooltipModel.get('formatter');
positionExpr = positionExpr || tooltipModel.get('position');
let html: string | HTMLElement | HTMLElement[] = defaultHtml;
const nearPoint = this._getNearestPoint(
[x, y],
params,
tooltipModel.get('trigger'),
tooltipModel.get('borderColor')
);
const nearPointColor = nearPoint.color;
if (formatter) {
if (isString(formatter)) {
const useUTC = tooltipModel.ecModel.get('useUTC');
const params0 = isArray(params) ? params[0] : params;
const isTimeAxis = params0 && params0.axisType && params0.axisType.indexOf('time') >= 0;
html = formatter;
if (isTimeAxis) {
html = timeFormat(params0.axisValue, html, useUTC);
}
html = formatTpl(html, params, true);
}
else if (isFunction(formatter)) {
const callback = bind(function (cbTicket: string, html: string | HTMLElement | HTMLElement[]) {
if (cbTicket === this._ticket) {
tooltipContent.setContent(html, markupStyleCreator, tooltipModel, nearPointColor, positionExpr);
this._updatePosition(
tooltipModel, positionExpr, x, y, tooltipContent, params, el
);
}
}, this);
this._ticket = asyncTicket;
html = formatter(params, asyncTicket, callback);
}
else {
html = formatter;
}
}
tooltipContent.setContent(html, markupStyleCreator, tooltipModel, nearPointColor, positionExpr);
tooltipContent.show(tooltipModel, nearPointColor);
this._updatePosition(
tooltipModel, positionExpr, x, y, tooltipContent, params, el
);
}
private _getNearestPoint(
point: number[],
tooltipDataParams: TooltipCallbackDataParams | TooltipCallbackDataParams[],
trigger: TooltipOption['trigger'],
borderColor: ZRColor
): {
color: ZRColor;
} {
if (trigger === 'axis' || isArray(tooltipDataParams)) {
return {
color: borderColor || (this._renderMode === 'html' ? '#fff' : 'none')
};
}
if (!isArray(tooltipDataParams)) {
return {
color: borderColor || tooltipDataParams.color || tooltipDataParams.borderColor
};
}
}
_updatePosition(
tooltipModel: Model<TooltipOption>,
positionExpr: TooltipOption['position'],
x: number, // Mouse x
y: number, // Mouse y
content: TooltipHTMLContent | TooltipRichContent,
params: TooltipCallbackDataParams | TooltipCallbackDataParams[],
el?: Element
) {
const viewWidth = this._api.getWidth();
const viewHeight = this._api.getHeight();
positionExpr = positionExpr || tooltipModel.get('position');
const contentSize = content.getSize();
let align = tooltipModel.get('align');
let vAlign = tooltipModel.get('verticalAlign');
const rect = el && el.getBoundingRect().clone();
el && rect.applyTransform(el.transform);
if (isFunction(positionExpr)) {
// Callback of position can be an array or a string specify the position
positionExpr = positionExpr([x, y], params, content.el, rect, {
viewSize: [viewWidth, viewHeight],
contentSize: contentSize.slice() as [number, number]
});
}
if (isArray(positionExpr)) {
x = parsePercent(positionExpr[0], viewWidth);
y = parsePercent(positionExpr[1], viewHeight);
}
else if (isObject(positionExpr)) {
const boxLayoutPosition = positionExpr as BoxLayoutOptionMixin;
boxLayoutPosition.width = contentSize[0];
boxLayoutPosition.height = contentSize[1];
const layoutRect = getLayoutRect(
boxLayoutPosition, { width: viewWidth, height: viewHeight }
);
x = layoutRect.x;
y = layoutRect.y;
align = null;
// When positionExpr is left/top/right/bottom,
// align and verticalAlign will not work.
vAlign = null;
}
// Specify tooltip position by string 'top' 'bottom' 'left' 'right' around graphic element
else if (isString(positionExpr) && el) {
const pos = calcTooltipPosition(
positionExpr, rect, contentSize, tooltipModel.get('borderWidth')
);
x = pos[0];
y = pos[1];
}
else {
const pos = refixTooltipPosition(
x, y, content, viewWidth, viewHeight, align ? null : 20, vAlign ? null : 20
);
x = pos[0];
y = pos[1];
}
align && (x -= isCenterAlign(align) ? contentSize[0] / 2 : align === 'right' ? contentSize[0] : 0);
vAlign && (y -= isCenterAlign(vAlign) ? contentSize[1] / 2 : vAlign === 'bottom' ? contentSize[1] : 0);
if (shouldTooltipConfine(tooltipModel)) {
const pos = confineTooltipPosition(
x, y, content, viewWidth, viewHeight
);
x = pos[0];
y = pos[1];
}
content.moveTo(x, y);
}
// FIXME
// Should we remove this but leave this to user?
private _updateContentNotChangedOnAxis(
dataByCoordSys: DataByCoordSys[],
cbParamsList: TooltipCallbackDataParams[]
) {
const lastCoordSys = this._lastDataByCoordSys;
const lastCbParamsList = this._cbParamsList;
let contentNotChanged = !!lastCoordSys
&& lastCoordSys.length === dataByCoordSys.length;
contentNotChanged && each(lastCoordSys, (lastItemCoordSys, indexCoordSys) => {
const lastDataByAxis = lastItemCoordSys.dataByAxis || [] as DataByAxis[];
const thisItemCoordSys = dataByCoordSys[indexCoordSys] || {} as DataByCoordSys;
const thisDataByAxis = thisItemCoordSys.dataByAxis || [] as DataByAxis[];
contentNotChanged = contentNotChanged && lastDataByAxis.length === thisDataByAxis.length;
contentNotChanged && each(lastDataByAxis, (lastItem, indexAxis) => {
const thisItem = thisDataByAxis[indexAxis] || {} as DataByAxis;
const lastIndices = lastItem.seriesDataIndices || [] as DataIndex[];
const newIndices = thisItem.seriesDataIndices || [] as DataIndex[];
contentNotChanged = contentNotChanged
&& lastItem.value === thisItem.value
&& lastItem.axisType === thisItem.axisType
&& lastItem.axisId === thisItem.axisId
&& lastIndices.length === newIndices.length;
contentNotChanged && each(lastIndices, (lastIdxItem, j) => {
const newIdxItem = newIndices[j];
contentNotChanged = contentNotChanged
&& lastIdxItem.seriesIndex === newIdxItem.seriesIndex
&& lastIdxItem.dataIndex === newIdxItem.dataIndex;
});
// check is cbParams data value changed
lastCbParamsList && each(lastItem.seriesDataIndices, (idxItem) => {
const seriesIdx = idxItem.seriesIndex;
const cbParams = cbParamsList[seriesIdx];
const lastCbParams = lastCbParamsList[seriesIdx];
if (cbParams && lastCbParams && lastCbParams.data !== cbParams.data) {
contentNotChanged = false;
}
});
});
});
this._lastDataByCoordSys = dataByCoordSys;
this._cbParamsList = cbParamsList;
return !!contentNotChanged;
}
private _hide(dispatchAction: ExtensionAPI['dispatchAction']) {
// Do not directly hideLater here, because this behavior may be prevented
// in dispatchAction when showTip is dispatched.
// FIXME
// duplicated hideTip if manuallyHideTip is called from dispatchAction.
this._lastDataByCoordSys = null;
dispatchAction({
type: 'hideTip',
from: this.uid
});
}
dispose(ecModel: GlobalModel, api: ExtensionAPI) {
if (env.node || !api.getDom()) {
return;
}
clear(this, '_updatePosition');
this._tooltipContent.dispose();
globalListener.unregister('itemTooltip', api);
}
}
type TooltipableOption = {
tooltip?: CommonTooltipOption<unknown>;
};
type TooltipModelOptionCascade =
Model<TooltipableOption> | CommonTooltipOption<unknown> | string;
/**
* From top to bottom. (the last one should be globalTooltipModel);
*/
function buildTooltipModel(
modelCascade: TooltipModelOptionCascade[],
globalTooltipModel: TooltipModel,
defaultTooltipOption?: CommonTooltipOption<unknown>
): Model<TooltipOption & ComponentItemTooltipOption<unknown>> {
// Last is always tooltip model.
const ecModel = globalTooltipModel.ecModel;
let resultModel: Model<TooltipOption & ComponentItemTooltipOption<unknown>>;
if (defaultTooltipOption) {
resultModel = new Model(defaultTooltipOption, ecModel, ecModel);
resultModel = new Model(globalTooltipModel.option, resultModel, ecModel);
}
else {
resultModel = globalTooltipModel as Model<TooltipOption & ComponentItemTooltipOption<unknown>>;
}
for (let i = modelCascade.length - 1; i >= 0; i--) {
let tooltipOpt = modelCascade[i];
if (tooltipOpt) {
if (tooltipOpt instanceof Model) {
tooltipOpt = (tooltipOpt as Model<TooltipableOption>).get('tooltip', true);
}
// In each data item tooltip can be simply write:
// {
// value: 10,
// tooltip: 'Something you need to know'
// }
if (isString(tooltipOpt)) {
tooltipOpt = {
formatter: tooltipOpt
};
}
if (tooltipOpt) {
resultModel = new Model(tooltipOpt, resultModel, ecModel);
}
}
}
return resultModel as Model<TooltipOption & ComponentItemTooltipOption<unknown>>;
}
function makeDispatchAction(payload: ShowTipPayload | HideTipPayload, api: ExtensionAPI) {
return payload.dispatchAction || bind(api.dispatchAction, api);
}
function refixTooltipPosition(
x: number, y: number,
content: TooltipHTMLContent | TooltipRichContent,
viewWidth: number, viewHeight: number,
gapH: number, gapV: number
) {
const size = content.getSize();
const width = size[0];
const height = size[1];
if (gapH != null) {
// Add extra 2 pixels for this case:
// At present the "values" in defaut tooltip are using CSS `float: right`.
// When the right edge of the tooltip box is on the right side of the
// viewport, the `float` layout might push the "values" to the second line.
if (x + width + gapH + 2 > viewWidth) {
x -= width + gapH;
}
else {
x += gapH;
}
}
if (gapV != null) {
if (y + height + gapV > viewHeight) {
y -= height + gapV;
}
else {
y += gapV;
}
}
return [x, y];
}
function confineTooltipPosition(
x: number, y: number,
content: TooltipHTMLContent | TooltipRichContent,
viewWidth: number,
viewHeight: number
): [number, number] {
const size = content.getSize();
const width = size[0];
const height = size[1];
x = Math.min(x + width, viewWidth) - width;
y = Math.min(y + height, viewHeight) - height;
x = Math.max(x, 0);
y = Math.max(y, 0);
return [x, y];
}
function calcTooltipPosition(
position: TooltipOption['position'],
rect: ZRRectLike,
contentSize: number[],
borderWidth: number
): [number, number] {
const domWidth = contentSize[0];
const domHeight = contentSize[1];
const offset = Math.ceil(Math.SQRT2 * borderWidth) + 8;
let x = 0;
let y = 0;
const rectWidth = rect.width;
const rectHeight = rect.height;
switch (position) {
case 'inside':
x = rect.x + rectWidth / 2 - domWidth / 2;
y = rect.y + rectHeight / 2 - domHeight / 2;
break;
case 'top':
x = rect.x + rectWidth / 2 - domWidth / 2;
y = rect.y - domHeight - offset;
break;
case 'bottom':
x = rect.x + rectWidth / 2 - domWidth / 2;
y = rect.y + rectHeight + offset;
break;
case 'left':
x = rect.x - domWidth - offset;
y = rect.y + rectHeight / 2 - domHeight / 2;
break;
case 'right':
x = rect.x + rectWidth + offset;
y = rect.y + rectHeight / 2 - domHeight / 2;
}
return [x, y];
}
function isCenterAlign(align: HorizontalAlign | VerticalAlign) {
return align === 'center' || align === 'middle';
}
/**
* Find target component by payload like:
* ```js
* { legendId: 'some_id', name: 'xxx' }
* { toolboxIndex: 1, name: 'xxx' }
* { geoName: 'some_name', name: 'xxx' }
* ```
* PENDING: at present only
*
* If not found, return null/undefined.
*/
function findComponentReference(
payload: ShowTipPayload,
ecModel: GlobalModel,
api: ExtensionAPI
): {
componentMainType: ComponentMainType;
componentIndex: number;
el: ECElement;
} {
const { queryOptionMap } = preParseFinder(payload);
const componentMainType = queryOptionMap.keys()[0];
if (!componentMainType || componentMainType === 'series') {
return;
}
const queryResult = queryReferringComponents(
ecModel,
componentMainType,
queryOptionMap.get(componentMainType),
{ useDefault: false, enableAll: false, enableNone: false }
);
const model = queryResult.models[0];
if (!model) {
return;
}
const view = api.getViewOfComponentModel(model);
let el: ECElement;
view.group.traverse((subEl: ECElement) => {
const tooltipConfig = getECData(subEl).tooltipConfig;
if (tooltipConfig && tooltipConfig.name === payload.name) {
el = subEl;
return true; // stop
}
});
if (el) {
return {
componentMainType,
componentIndex: model.componentIndex,
el
};
}
}
export default TooltipView;
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