mirror of
https://github.com/wanglin2/mind-map.git
synced 2026-02-17 22:08:25 +08:00
332 lines
8.9 KiB
JavaScript
332 lines
8.9 KiB
JavaScript
import { measureText, resizeImgSize, getTextFromHtml } from '../../../utils'
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import { Image, SVG, A, G, Rect, Text, ForeignObject } 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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// 创建图片节点
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function createImgNode() {
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let img = this.nodeData.data.image
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if (!img) {
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return
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}
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let imgSize = this.getImgShowSize()
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let node = new Image().load(img).size(...imgSize)
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if (this.nodeData.data.imageTitle) {
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node.attr('title', this.nodeData.data.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.nodeData.data.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.nodeData.data
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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(item, this.mindMap.opt.iconList || [])
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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 Image().load(src)
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}
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node.size(iconSize, iconSize)
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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() {
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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.nodeData.data.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) {
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let text = getTextFromHtml(this.nodeData.data.text)
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this.nodeData.data.text = `<p><span style="${this.style.createStyleText()}">${text}</span></p>`
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}
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let html = `<div>${this.nodeData.data.text}</div>`
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let div = document.createElement('div')
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div.innerHTML = html
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div.style.cssText = `position: fixed; left: -999999px;`
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let el = div.children[0]
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el.classList.add('smm-richtext-node-wrap')
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el.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml')
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el.style.maxWidth = this.mindMap.opt.textAutoWrapWidth + 'px'
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this.mindMap.el.appendChild(div)
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let { width, height } = el.getBoundingClientRect()
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width = Math.ceil(width) + 1// 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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html = div.innerHTML
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this.mindMap.el.removeChild(div)
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let foreignObject = new ForeignObject()
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foreignObject.width(width)
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foreignObject.height(height)
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foreignObject.add(SVG(html))
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g.add(foreignObject)
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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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// 创建文本节点
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function createTextNode() {
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if (this.nodeData.data.richText) {
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return this.createRichTextNode()
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}
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let g = new G()
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let fontSize = this.getStyle('fontSize', false, this.nodeData.data.isActive)
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let lineHeight = this.getStyle(
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'lineHeight',
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false,
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this.nodeData.data.isActive
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)
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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 = this.nodeData.data.text.split(/\n/gim)
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let maxWidth = this.mindMap.opt.textAutoWrapWidth
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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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width = Math.ceil(width)
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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.nodeData.data
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if (!hyperlink) {
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return
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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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// 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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e.stopPropagation()
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})
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if (hyperlinkTitle) {
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a.attr('title', hyperlinkTitle)
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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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let tagData = this.nodeData.data.tag
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if (!tagData || tagData.length <= 0) {
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return []
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}
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let nodes = []
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tagData.slice(0, this.mindMap.opt.maxTag).forEach((item, index) => {
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let tag = new G()
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// 标签文本
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let text = new Text().text(item).x(8).cy(10)
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this.style.tagText(text, index)
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let { width } = text.bbox()
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// 标签矩形
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let rect = new Rect().size(width + 16, 20)
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this.style.tagRect(rect, index)
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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: width + 16,
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height: 20
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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.nodeData.data.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().attr('cursor', 'pointer')
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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: absolute;
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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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document.body.appendChild(this.noteEl)
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}
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this.noteEl.innerText = this.nodeData.data.note
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}
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node.on('mouseover', () => {
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let { left, top } = node.node.getBoundingClientRect()
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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 + iconSize + '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.nodeData.data.note,
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left,
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top + iconSize
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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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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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// 测量自定义节点内容元素的宽高
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let warpEl = null
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function measureCustomNodeContentSize (content) {
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if (!warpEl) {
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warpEl = document.createElement('div')
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warpEl.style.cssText = `
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position: fixed;
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left: -99999px;
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top: -99999px;
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`
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this.mindMap.el.appendChild(warpEl)
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}
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warpEl.innerHTML = ''
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warpEl.appendChild(content)
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let rect = warpEl.getBoundingClientRect()
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return {
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width: rect.width,
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height: rect.height
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}
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}
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// 是否使用的是自定义节点内容
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function isUseCustomNodeContent() {
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return !!this._customNodeContent
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}
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export default {
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createImgNode,
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getImgShowSize,
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createIconNode,
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createRichTextNode,
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createTextNode,
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createHyperlinkNode,
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createTagNode,
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createNoteNode,
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measureCustomNodeContentSize,
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isUseCustomNodeContent
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} |