mirror of
https://github.com/wanglin2/mind-map.git
synced 2026-02-21 18:37:43 +08:00
530 lines
15 KiB
JavaScript
530 lines
15 KiB
JavaScript
import {
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measureText,
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resizeImgSize,
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removeHtmlStyle,
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addHtmlStyle,
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checkIsRichText,
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isUndef,
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createForeignObjectNode,
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addXmlns,
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generateColorByContent
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} from '../../../utils'
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import { Image as SVGImage, SVG, A, G, Rect, Text } from '@svgdotjs/svg.js'
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import iconsSvg from '../../../svg/icons'
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import { CONSTANTS } from '../../../constants/constant'
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// 标签默认的样式
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const defaultTagStyle = {
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radius: 3, // 标签矩形的圆角大小
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fontSize: 12, // 字号，建议文字高度不要大于height
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fill: '', // 标签矩形的背景颜色
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height: 20, // 标签矩形的高度
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paddingX: 8 // 水平内边距，如果设置了width，将忽略该配置
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//width: 30 // 标签矩形的宽度，如果不设置，默认以文字的宽度+paddingX*2为宽度
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}
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// 创建图片节点
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function createImgNode() {
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const img = this.getData('image')
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if (!img) {
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return
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}
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const imgSize = this.getImgShowSize()
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const node = new SVGImage().load(img).size(...imgSize)
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// 如果指定了加载失败显示的图片，那么加载一下图片检测是否失败
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const { defaultNodeImage } = this.mindMap.opt
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if (defaultNodeImage) {
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const imgEl = new Image()
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imgEl.onerror = () => {
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node.load(defaultNodeImage)
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}
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imgEl.src = img
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}
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if (this.getData('imageTitle')) {
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node.attr('title', this.getData('imageTitle'))
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}
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node.on('dblclick', e => {
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this.mindMap.emit('node_img_dblclick', this, e)
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})
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node.on('mouseenter', e => {
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this.mindMap.emit('node_img_mouseenter', this, node, e)
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})
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node.on('mouseleave', e => {
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this.mindMap.emit('node_img_mouseleave', this, node, e)
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})
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node.on('mousemove', e => {
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this.mindMap.emit('node_img_mousemove', this, node, e)
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})
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return {
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node,
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width: imgSize[0],
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height: imgSize[1]
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}
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}
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// 获取图片显示宽高
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function getImgShowSize() {
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const { custom, width, height } = this.getData('imageSize')
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// 如果是自定义了图片的宽高，那么不受最大宽高限制
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if (custom) return [width, height]
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return resizeImgSize(
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width,
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height,
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this.mindMap.themeConfig.imgMaxWidth,
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this.mindMap.themeConfig.imgMaxHeight
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)
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}
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// 创建icon节点
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function createIconNode() {
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let _data = this.getData()
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if (!_data.icon || _data.icon.length <= 0) {
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return []
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}
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let iconSize = this.mindMap.themeConfig.iconSize
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return _data.icon.map(item => {
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let src = iconsSvg.getNodeIconListIcon(
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item,
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this.mindMap.opt.iconList || []
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)
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let node = null
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// svg图标
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if (/^<svg/.test(src)) {
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node = SVG(src)
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} else {
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// 图片图标
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node = new SVGImage().load(src)
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}
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node.size(iconSize, iconSize)
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node.on('click', e => {
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this.mindMap.emit('node_icon_click', this, item, e, node)
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})
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node.on('mouseenter', e => {
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this.mindMap.emit('node_icon_mouseenter', this, item, e, node)
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})
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node.on('mouseleave', e => {
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this.mindMap.emit('node_icon_mouseleave', this, item, e, node)
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})
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return {
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node,
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width: iconSize,
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height: iconSize
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}
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})
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}
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// 创建富文本节点
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function createRichTextNode(specifyText) {
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let text =
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typeof specifyText === 'string' ? specifyText : this.getData('text')
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const { textAutoWrapWidth, emptyTextMeasureHeightText } = this.mindMap.opt
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let g = new G()
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// 重新设置富文本节点内容
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let recoverText = false
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if (this.getData('resetRichText')) {
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delete this.nodeData.data.resetRichText
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recoverText = true
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}
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if ([CONSTANTS.CHANGE_THEME].includes(this.mindMap.renderer.renderSource)) {
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// 如果自定义过样式则不允许覆盖
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if (!this.hasCustomStyle()) {
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recoverText = true
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}
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}
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if (recoverText && !isUndef(text)) {
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// 判断节点内容是否是富文本
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let isRichText = checkIsRichText(text)
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// 样式字符串
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let style = this.style.createStyleText()
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if (isRichText) {
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// 如果是富文本那么线移除内联样式
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text = removeHtmlStyle(text)
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// 再添加新的内联样式
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let _text = text
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text = addHtmlStyle(text, 'span', style)
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// 给span添加样式没有成功，则尝试给strong标签添加样式
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if (text === _text) {
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text = addHtmlStyle(text, 'strong', style)
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}
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} else {
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// 非富文本
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text = `<p><span style="${style}">${text}</span></p>`
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}
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this.setData({
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text: text
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})
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}
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let html = `<div>${text}</div>`
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if (!this.mindMap.commonCaches.measureRichtextNodeTextSizeEl) {
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this.mindMap.commonCaches.measureRichtextNodeTextSizeEl =
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document.createElement('div')
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this.mindMap.commonCaches.measureRichtextNodeTextSizeEl.style.position =
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'fixed'
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this.mindMap.commonCaches.measureRichtextNodeTextSizeEl.style.left =
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'-999999px'
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this.mindMap.el.appendChild(
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this.mindMap.commonCaches.measureRichtextNodeTextSizeEl
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)
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}
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let div = this.mindMap.commonCaches.measureRichtextNodeTextSizeEl
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div.innerHTML = html
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let el = div.children[0]
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el.classList.add('smm-richtext-node-wrap')
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addXmlns(el)
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el.style.maxWidth = textAutoWrapWidth + 'px'
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let { width, height } = el.getBoundingClientRect()
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// 如果文本为空，那么需要计算一个默认高度
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if (height <= 0) {
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div.innerHTML = `<p>${emptyTextMeasureHeightText}</p>`
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let elTmp = div.children[0]
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elTmp.classList.add('smm-richtext-node-wrap')
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height = elTmp.getBoundingClientRect().height
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div.innerHTML = html
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}
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width = Math.min(Math.ceil(width) + 1, textAutoWrapWidth) // 修复getBoundingClientRect方法对实际宽度是小数的元素获取到的值是整数，导致宽度不够文本发生换行的问题
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height = Math.ceil(height)
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g.attr('data-width', width)
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g.attr('data-height', height)
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const foreignObject = createForeignObjectNode({
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el: div.children[0],
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width,
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height
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})
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g.add(foreignObject)
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return {
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node: g,
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nodeContent: foreignObject,
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width,
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height
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}
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}
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// 创建文本节点
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function createTextNode(specifyText) {
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if (this.getData('richText')) {
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return this.createRichTextNode(specifyText)
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}
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const text =
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typeof specifyText === 'string' ? specifyText : this.getData('text')
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if (this.getData('resetRichText')) {
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delete this.nodeData.data.resetRichText
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}
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let g = new G()
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let fontSize = this.getStyle('fontSize', false)
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let lineHeight = this.getStyle('lineHeight', false)
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// 文本超长自动换行
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let textStyle = this.style.getTextFontStyle()
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let textArr = []
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if (!isUndef(text)) {
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textArr = String(text).split(/\n/gim)
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}
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const { textAutoWrapWidth: maxWidth, emptyTextMeasureHeightText } =
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this.mindMap.opt
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let isMultiLine = false
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textArr.forEach((item, index) => {
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let arr = item.split('')
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let lines = []
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let line = []
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while (arr.length) {
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let str = arr.shift()
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let text = [...line, str].join('')
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if (measureText(text, textStyle).width <= maxWidth) {
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line.push(str)
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} else {
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lines.push(line.join(''))
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line = [str]
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}
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}
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if (line.length > 0) {
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lines.push(line.join(''))
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}
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if (lines.length > 1) {
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isMultiLine = true
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}
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textArr[index] = lines.join('\n')
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})
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textArr = textArr.join('\n').split(/\n/gim)
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textArr.forEach((item, index) => {
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let node = new Text().text(item)
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this.style.text(node)
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node.y(fontSize * lineHeight * index)
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g.add(node)
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})
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let { width, height } = g.bbox()
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// 如果文本为空，那么需要计算一个默认高度
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if (height <= 0) {
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const tmpNode = new Text().text(emptyTextMeasureHeightText)
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this.style.text(tmpNode)
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const tmpBbox = tmpNode.bbox()
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height = tmpBbox.height
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}
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width = Math.min(Math.ceil(width), maxWidth)
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height = Math.ceil(height)
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g.attr('data-width', width)
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g.attr('data-height', height)
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g.attr('data-ismultiLine', isMultiLine || textArr.length > 1)
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return {
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node: g,
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width,
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height
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}
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}
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// 创建超链接节点
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function createHyperlinkNode() {
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let { hyperlink, hyperlinkTitle } = this.getData()
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if (!hyperlink) {
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return
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}
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const { customHyperlinkJump } = this.mindMap.opt
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let iconSize = this.mindMap.themeConfig.iconSize
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let node = new SVG().size(iconSize, iconSize)
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// 超链接节点
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let a = new A().to(hyperlink).target('_blank')
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a.node.addEventListener('click', e => {
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if (typeof customHyperlinkJump === 'function') {
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e.preventDefault()
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customHyperlinkJump(hyperlink, this)
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}
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})
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if (hyperlinkTitle) {
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node.add(SVG(`<title>${hyperlinkTitle}</title>`))
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}
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// 添加一个透明的层，作为鼠标区域
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a.rect(iconSize, iconSize).fill({ color: 'transparent' })
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// 超链接图标
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let iconNode = SVG(iconsSvg.hyperlink).size(iconSize, iconSize)
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this.style.iconNode(iconNode)
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a.add(iconNode)
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node.add(a)
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return {
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node,
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width: iconSize,
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height: iconSize
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}
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}
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// 创建标签节点
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function createTagNode() {
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const tagData = this.getData('tag')
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if (!tagData || tagData.length <= 0) {
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return []
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}
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let { maxTag, tagsColorMap } = this.mindMap.opt
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tagsColorMap = tagsColorMap || {}
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const nodes = []
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tagData.slice(0, maxTag).forEach((item, index) => {
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let str = ''
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let style = {
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...defaultTagStyle
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}
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// 旧版只支持字符串类型
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if (typeof item === 'string') {
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str = item
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} else {
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// v0.10.3+版本支持对象类型
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str = item.text
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style = { ...defaultTagStyle, ...item.style }
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}
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// 是否手动设置了标签宽度
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const hasCustomWidth = typeof style.width !== 'undefined'
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// 创建容器节点
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const tag = new G()
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tag.on('click', () => {
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this.mindMap.emit('node_tag_click', this, item, index, tag)
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})
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// 标签文本
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const text = new Text().text(str)
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this.style.tagText(text, style)
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// 获取文本宽高
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const { width: textWidth, height: textHeight } = text.bbox()
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// 矩形宽度
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const rectWidth = hasCustomWidth
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? style.width
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: textWidth + style.paddingX * 2
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// 取文本和矩形最大宽高作为标签宽高
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const maxWidth = hasCustomWidth ? Math.max(rectWidth, textWidth) : rectWidth
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const maxHeight = Math.max(style.height, textHeight)
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// 文本居中
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if (hasCustomWidth) {
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text.x((maxWidth - textWidth) / 2)
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} else {
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text.x(hasCustomWidth ? 0 : style.paddingX)
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}
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text.cy(-maxHeight / 2)
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// 标签矩形
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const rect = new Rect().size(rectWidth, style.height).cy(-maxHeight / 2)
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if (hasCustomWidth) {
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rect.x((maxWidth - rectWidth) / 2)
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}
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this.style.tagRect(rect, {
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...style,
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fill:
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style.fill || // 优先节点自身配置
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tagsColorMap[text.node.textContent] || // 否则尝试从实例化选项tagsColorMap映射中获取颜色
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generateColorByContent(text.node.textContent) // 否则按照标签内容生成
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})
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tag.add(rect).add(text)
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nodes.push({
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node: tag,
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width: maxWidth,
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height: maxHeight
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})
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})
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return nodes
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}
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// 创建备注节点
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function createNoteNode() {
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if (!this.getData('note')) {
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return null
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}
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let iconSize = this.mindMap.themeConfig.iconSize
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let node = new SVG()
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.attr('cursor', 'pointer')
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.addClass('smm-node-note')
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.size(iconSize, iconSize)
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// 透明的层，用来作为鼠标区域
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node.add(new Rect().size(iconSize, iconSize).fill({ color: 'transparent' }))
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// 备注图标
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let iconNode = SVG(iconsSvg.note).size(iconSize, iconSize)
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this.style.iconNode(iconNode)
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node.add(iconNode)
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// 备注tooltip
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if (!this.mindMap.opt.customNoteContentShow) {
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if (!this.noteEl) {
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this.noteEl = document.createElement('div')
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this.noteEl.style.cssText = `
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position: fixed;
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padding: 10px;
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border-radius: 5px;
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box-shadow: 0 2px 5px rgb(0 0 0 / 10%);
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display: none;
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background-color: #fff;
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z-index: ${this.mindMap.opt.nodeNoteTooltipZIndex}
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`
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const targetNode =
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this.mindMap.opt.customInnerElsAppendTo || document.body
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targetNode.appendChild(this.noteEl)
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}
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this.noteEl.innerText = this.getData('note')
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}
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node.on('mouseover', () => {
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const { left, top } = this.getNoteContentPosition()
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if (!this.mindMap.opt.customNoteContentShow) {
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this.noteEl.style.left = left + 'px'
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this.noteEl.style.top = top + 'px'
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this.noteEl.style.display = 'block'
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} else {
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this.mindMap.opt.customNoteContentShow.show(
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this.getData('note'),
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left,
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top,
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this
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)
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}
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})
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node.on('mouseout', () => {
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if (!this.mindMap.opt.customNoteContentShow) {
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this.noteEl.style.display = 'none'
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} else {
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this.mindMap.opt.customNoteContentShow.hide()
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}
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})
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node.on('click', e => {
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this.mindMap.emit('node_note_click', this, e, node)
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})
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return {
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node,
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width: iconSize,
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height: iconSize
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}
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}
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// 创建附件节点
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function createAttachmentNode() {
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const { attachmentUrl, attachmentName } = this.getData()
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if (!attachmentUrl) {
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return
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}
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const iconSize = this.mindMap.themeConfig.iconSize
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const node = new SVG().attr('cursor', 'pointer').size(iconSize, iconSize)
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if (attachmentName) {
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node.add(SVG(`<title>${attachmentName}</title>`))
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}
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// 透明的层，用来作为鼠标区域
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node.add(new Rect().size(iconSize, iconSize).fill({ color: 'transparent' }))
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// 备注图标
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const iconNode = SVG(iconsSvg.attachment).size(iconSize, iconSize)
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this.style.iconNode(iconNode)
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node.add(iconNode)
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node.on('click', e => {
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this.mindMap.emit('node_attachmentClick', this, e, node)
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})
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node.on('contextmenu', e => {
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this.mindMap.emit('node_attachmentContextmenu', this, e, node)
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})
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return {
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node,
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width: iconSize,
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height: iconSize
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}
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}
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// 获取节点备注显示位置
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function getNoteContentPosition() {
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const iconSize = this.mindMap.themeConfig.iconSize
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const { scaleY } = this.mindMap.view.getTransformData().transform
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const iconSizeAddScale = iconSize * scaleY
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let { left, top } = this._noteData.node.node.getBoundingClientRect()
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top += iconSizeAddScale
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return {
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left,
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top
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}
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}
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||
|
||
// 测量自定义节点内容元素的宽高
|
||
function measureCustomNodeContentSize(content) {
|
||
if (!this.mindMap.commonCaches.measureCustomNodeContentSizeEl) {
|
||
this.mindMap.commonCaches.measureCustomNodeContentSizeEl =
|
||
document.createElement('div')
|
||
this.mindMap.commonCaches.measureCustomNodeContentSizeEl.style.cssText = `
|
||
position: fixed;
|
||
left: -99999px;
|
||
top: -99999px;
|
||
`
|
||
this.mindMap.el.appendChild(
|
||
this.mindMap.commonCaches.measureCustomNodeContentSizeEl
|
||
)
|
||
}
|
||
this.mindMap.commonCaches.measureCustomNodeContentSizeEl.innerHTML = ''
|
||
this.mindMap.commonCaches.measureCustomNodeContentSizeEl.appendChild(content)
|
||
let rect =
|
||
this.mindMap.commonCaches.measureCustomNodeContentSizeEl.getBoundingClientRect()
|
||
return {
|
||
width: rect.width,
|
||
height: rect.height
|
||
}
|
||
}
|
||
|
||
// 是否使用的是自定义节点内容
|
||
function isUseCustomNodeContent() {
|
||
return !!this._customNodeContent
|
||
}
|
||
|
||
export default {
|
||
createImgNode,
|
||
getImgShowSize,
|
||
createIconNode,
|
||
createRichTextNode,
|
||
createTextNode,
|
||
createHyperlinkNode,
|
||
createTagNode,
|
||
createNoteNode,
|
||
createAttachmentNode,
|
||
getNoteContentPosition,
|
||
measureCustomNodeContentSize,
|
||
isUseCustomNodeContent
|
||
}
|