| /* |
| * 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 * as zrUtil from 'zrender/src/core/util'; |
| import ExtensionAPI from '../../core/ExtensionAPI'; |
| import { ZRenderType } from 'zrender/src/zrender'; |
| import { TooltipOption } from './TooltipModel'; |
| import { ZRColor } from '../../util/types'; |
| import Model from '../../model/Model'; |
| import ZRText, { TextStyleProps } from 'zrender/src/graphic/Text'; |
| import { TooltipMarkupStyleCreator, getPaddingFromTooltipModel } from './tooltipMarkup'; |
| import { throwError } from '../../util/log'; |
| |
| class TooltipRichContent { |
| |
| private _zr: ZRenderType; |
| |
| private _show = false; |
| |
| private _styleCoord: [number, number, number, number] = [0, 0, 0, 0]; |
| |
| private _hideTimeout: number; |
| |
| private _enterable = true; |
| |
| private _inContent: boolean; |
| |
| private _hideDelay: number; |
| |
| el: ZRText; |
| |
| constructor(api: ExtensionAPI) { |
| this._zr = api.getZr(); |
| makeStyleCoord(this._styleCoord, this._zr, api.getWidth() / 2, api.getHeight() / 2); |
| } |
| |
| /** |
| * Update when tooltip is rendered |
| */ |
| update(tooltipModel: Model<TooltipOption>) { |
| const alwaysShowContent = tooltipModel.get('alwaysShowContent'); |
| alwaysShowContent && this._moveIfResized(); |
| } |
| |
| show() { |
| if (this._hideTimeout) { |
| clearTimeout(this._hideTimeout); |
| } |
| |
| this.el.show(); |
| this._show = true; |
| } |
| |
| /** |
| * Set tooltip content |
| */ |
| setContent( |
| content: string | HTMLElement[], |
| markupStyleCreator: TooltipMarkupStyleCreator, |
| tooltipModel: Model<TooltipOption>, |
| borderColor: ZRColor, |
| arrowPosition: TooltipOption['position'] |
| ) { |
| if (zrUtil.isObject(content)) { |
| throwError(__DEV__ ? 'Passing DOM nodes as content is not supported in richText tooltip!' : ''); |
| } |
| if (this.el) { |
| this._zr.remove(this.el); |
| } |
| |
| const textStyleModel = tooltipModel.getModel('textStyle'); |
| |
| this.el = new ZRText({ |
| style: { |
| rich: markupStyleCreator.richTextStyles, |
| text: content as string, |
| lineHeight: 22, |
| backgroundColor: tooltipModel.get('backgroundColor'), |
| borderRadius: tooltipModel.get('borderRadius'), |
| borderWidth: 1, |
| borderColor: borderColor as string, |
| shadowColor: tooltipModel.get('shadowColor'), |
| shadowBlur: tooltipModel.get('shadowBlur'), |
| shadowOffsetX: tooltipModel.get('shadowOffsetX'), |
| shadowOffsetY: tooltipModel.get('shadowOffsetY'), |
| textShadowColor: textStyleModel.get('textShadowColor'), |
| textShadowBlur: textStyleModel.get('textShadowBlur') || 0, |
| textShadowOffsetX: textStyleModel.get('textShadowOffsetX') || 0, |
| textShadowOffsetY: textStyleModel.get('textShadowOffsetY') || 0, |
| fill: tooltipModel.get(['textStyle', 'color']), |
| padding: getPaddingFromTooltipModel(tooltipModel, 'richText'), |
| verticalAlign: 'top', |
| align: 'left' |
| }, |
| z: tooltipModel.get('z') |
| }); |
| this._zr.add(this.el); |
| |
| const self = this; |
| this.el.on('mouseover', function () { |
| // clear the timeout in hideLater and keep showing tooltip |
| if (self._enterable) { |
| clearTimeout(self._hideTimeout); |
| self._show = true; |
| } |
| self._inContent = true; |
| }); |
| this.el.on('mouseout', function () { |
| if (self._enterable) { |
| if (self._show) { |
| self.hideLater(self._hideDelay); |
| } |
| } |
| self._inContent = false; |
| }); |
| } |
| |
| setEnterable(enterable?: boolean) { |
| this._enterable = enterable; |
| } |
| |
| getSize() { |
| const el = this.el; |
| const bounding = this.el.getBoundingRect(); |
| // bounding rect does not include shadow. For renderMode richText, |
| // if overflow, it will be cut. So calculate them accurately. |
| const shadowOuterSize = calcShadowOuterSize(el.style); |
| return [ |
| bounding.width + shadowOuterSize.left + shadowOuterSize.right, |
| bounding.height + shadowOuterSize.top + shadowOuterSize.bottom |
| ]; |
| } |
| |
| moveTo(x: number, y: number) { |
| const el = this.el; |
| if (el) { |
| const styleCoord = this._styleCoord; |
| makeStyleCoord(styleCoord, this._zr, x, y); |
| x = styleCoord[0]; |
| y = styleCoord[1]; |
| const style = el.style; |
| const borderWidth = mathMaxWith0(style.borderWidth || 0); |
| const shadowOuterSize = calcShadowOuterSize(style); |
| // rich text x, y do not include border. |
| el.x = x + borderWidth + shadowOuterSize.left; |
| el.y = y + borderWidth + shadowOuterSize.top; |
| el.markRedraw(); |
| } |
| } |
| |
| |
| /** |
| * when `alwaysShowContent` is true, |
| * move the tooltip after chart resized |
| */ |
| _moveIfResized() { |
| // The ratio of left to width |
| const ratioX = this._styleCoord[2]; |
| // The ratio of top to height |
| const ratioY = this._styleCoord[3]; |
| this.moveTo( |
| ratioX * this._zr.getWidth(), |
| ratioY * this._zr.getHeight() |
| ); |
| } |
| |
| hide() { |
| if (this.el) { |
| this.el.hide(); |
| } |
| this._show = false; |
| } |
| |
| hideLater(time?: number) { |
| if (this._show && !(this._inContent && this._enterable)) { |
| if (time) { |
| this._hideDelay = time; |
| // Set show false to avoid invoke hideLater multiple times |
| this._show = false; |
| this._hideTimeout = setTimeout(zrUtil.bind(this.hide, this), time) as any; |
| } |
| else { |
| this.hide(); |
| } |
| } |
| } |
| |
| isShow() { |
| return this._show; |
| } |
| |
| getOuterSize() { |
| const size = this.getSize(); |
| return { |
| width: size[0], |
| height: size[1] |
| }; |
| } |
| |
| dispose() { |
| this._zr.remove(this.el); |
| } |
| } |
| |
| function mathMaxWith0(val: number): number { |
| return Math.max(0, val); |
| } |
| |
| function calcShadowOuterSize(style: TextStyleProps) { |
| const shadowBlur = mathMaxWith0(style.shadowBlur || 0); |
| const shadowOffsetX = mathMaxWith0(style.shadowOffsetX || 0); |
| const shadowOffsetY = mathMaxWith0(style.shadowOffsetY || 0); |
| return { |
| left: mathMaxWith0(shadowBlur - shadowOffsetX), |
| right: mathMaxWith0(shadowBlur + shadowOffsetX), |
| top: mathMaxWith0(shadowBlur - shadowOffsetY), |
| bottom: mathMaxWith0(shadowBlur + shadowOffsetY) |
| }; |
| } |
| |
| function makeStyleCoord(out: number[], zr: ZRenderType, zrX: number, zrY: number) { |
| out[0] = zrX; |
| out[1] = zrY; |
| out[2] = out[0] / zr.getWidth(); |
| out[3] = out[1] / zr.getHeight(); |
| } |
| |
| export default TooltipRichContent; |