mirror of
https://github.com/wanglin2/mind-map.git
synced 2026-02-21 18:37:43 +08:00
473 lines
14 KiB
JavaScript
473 lines
14 KiB
JavaScript
import {
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getStrWithBrFromHtml,
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checkNodeOuter,
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focusInput,
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selectAllInput,
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htmlEscape,
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handleInputPasteText,
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checkSmmFormatData,
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getTextFromHtml,
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isWhite,
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getVisibleColorFromTheme
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} from '../../utils'
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import {
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ERROR_TYPES,
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CONSTANTS,
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noneRichTextNodeLineHeight
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} from '../../constants/constant'
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// 节点文字编辑类
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export default class TextEdit {
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// 构造函数
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constructor(renderer) {
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this.renderer = renderer
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this.mindMap = renderer.mindMap
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// 当前编辑的节点
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this.currentNode = null
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// 文本编辑框
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this.textEditNode = null
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// 文本编辑框是否显示
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this.showTextEdit = false
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// 如果编辑过程中缩放画布了，那么缓存当前编辑的内容
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this.cacheEditingText = ''
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this.hasBodyMousedown = false
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this.textNodePaddingX = 5
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this.textNodePaddingY = 3
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this.bindEvent()
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}
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// 事件
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bindEvent() {
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this.show = this.show.bind(this)
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this.onScale = this.onScale.bind(this)
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this.onKeydown = this.onKeydown.bind(this)
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// 节点双击事件
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this.mindMap.on('node_dblclick', (node, e, isInserting) => {
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this.show({ node, e, isInserting })
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})
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// 点击事件
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this.mindMap.on('draw_click', () => {
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// 隐藏文本编辑框
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this.hideEditTextBox()
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})
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this.mindMap.on('body_mousedown', () => {
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this.hasBodyMousedown = true
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})
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this.mindMap.on('body_click', () => {
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if (!this.hasBodyMousedown) return
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this.hasBodyMousedown = false
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// 隐藏文本编辑框
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if (this.mindMap.opt.isEndNodeTextEditOnClickOuter) {
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this.hideEditTextBox()
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}
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})
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this.mindMap.on('svg_mousedown', () => {
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// 隐藏文本编辑框
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this.hideEditTextBox()
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})
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// 展开收缩按钮点击事件
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this.mindMap.on('expand_btn_click', () => {
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this.hideEditTextBox()
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})
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// 节点激活前事件
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this.mindMap.on('before_node_active', () => {
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this.hideEditTextBox()
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})
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// 鼠标滚动事件
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this.mindMap.on('mousewheel', () => {
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if (
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this.mindMap.opt.mousewheelAction === CONSTANTS.MOUSE_WHEEL_ACTION.MOVE
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) {
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this.hideEditTextBox()
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}
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})
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// 注册编辑快捷键
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this.mindMap.keyCommand.addShortcut('F2', () => {
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if (this.renderer.activeNodeList.length <= 0) {
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return
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}
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this.show({
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node: this.renderer.activeNodeList[0]
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})
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})
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this.mindMap.on('scale', this.onScale)
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// // 监听按键事件，判断是否自动进入文本编辑模式
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if (this.mindMap.opt.enableAutoEnterTextEditWhenKeydown) {
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window.addEventListener('keydown', this.onKeydown)
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}
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this.mindMap.on('beforeDestroy', () => {
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this.unBindEvent()
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})
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this.mindMap.on('after_update_config', (opt, lastOpt) => {
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if (
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opt.openRealtimeRenderOnNodeTextEdit !==
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lastOpt.openRealtimeRenderOnNodeTextEdit
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) {
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if (this.mindMap.richText) {
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this.mindMap.richText.onOpenRealtimeRenderOnNodeTextEditConfigUpdate(
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opt.openRealtimeRenderOnNodeTextEdit
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)
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} else {
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this.onOpenRealtimeRenderOnNodeTextEditConfigUpdate(
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opt.openRealtimeRenderOnNodeTextEdit
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)
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}
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}
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if (
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opt.enableAutoEnterTextEditWhenKeydown !==
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lastOpt.enableAutoEnterTextEditWhenKeydown
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) {
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window[
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opt.enableAutoEnterTextEditWhenKeydown
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? 'addEventListener'
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: 'removeEventListener'
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]('keydown', this.onKeydown)
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}
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})
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}
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// 解绑事件
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unBindEvent() {
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window.removeEventListener('keydown', this.onKeydown)
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}
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// 按键事件
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onKeydown(e) {
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if (e.target !== document.body) return
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const activeNodeList = this.mindMap.renderer.activeNodeList
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if (activeNodeList.length <= 0 || activeNodeList.length > 1) return
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const node = activeNodeList[0]
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// 当正在输入中文或英文或数字时，如果没有按下组合键，那么自动进入文本编辑模式
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if (node && this.checkIsAutoEnterTextEditKey(e)) {
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this.show({
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node,
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e,
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isInserting: false,
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isFromKeyDown: true
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})
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}
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}
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// 判断是否是自动进入文本编模式的按钮
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checkIsAutoEnterTextEditKey(e) {
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const keyCode = e.keyCode
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return (
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(keyCode === 229 ||
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(keyCode >= 65 && keyCode <= 90) ||
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(keyCode >= 48 && keyCode <= 57)) &&
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!this.mindMap.keyCommand.hasCombinationKey(e)
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)
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}
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// 注册临时快捷键
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registerTmpShortcut() {
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// 注册回车快捷键
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this.mindMap.keyCommand.addShortcut('Enter', () => {
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this.hideEditTextBox()
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})
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this.mindMap.keyCommand.addShortcut('Tab', () => {
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this.hideEditTextBox()
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})
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}
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// 获取当前文本编辑框是否处于显示状态，也就是是否处在文本编辑状态
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isShowTextEdit() {
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if (this.mindMap.richText) {
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return this.mindMap.richText.showTextEdit
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}
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return this.showTextEdit
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}
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// 显示文本编辑框
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// isInserting：是否是刚创建的节点
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// isFromKeyDown：是否是在按键事件进入的编辑
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async show({
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node,
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isInserting = false,
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isFromKeyDown = false,
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isFromScale = false
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}) {
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// 使用了自定义节点内容那么不响应编辑事件
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if (node.isUseCustomNodeContent()) {
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return
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}
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const { beforeTextEdit, openRealtimeRenderOnNodeTextEdit } =
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this.mindMap.opt
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if (typeof beforeTextEdit === 'function') {
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let isShow = false
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try {
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isShow = await beforeTextEdit(node, isInserting)
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} catch (error) {
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isShow = false
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this.mindMap.opt.errorHandler(ERROR_TYPES.BEFORE_TEXT_EDIT_ERROR, error)
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}
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if (!isShow) return
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}
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this.currentNode = node
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const { offsetLeft, offsetTop } = checkNodeOuter(this.mindMap, node)
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this.mindMap.view.translateXY(offsetLeft, offsetTop)
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const g = node._textData.node
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const rect = g.node.getBoundingClientRect()
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// 如果开启了大小实时更新，那么直接隐藏节点原文本
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if (openRealtimeRenderOnNodeTextEdit) {
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g.hide()
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}
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const params = {
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node,
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rect,
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isInserting,
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isFromKeyDown,
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isFromScale
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}
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if (this.mindMap.richText) {
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this.mindMap.richText.showEditText(params)
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return
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}
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this.showEditTextBox(params)
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}
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// 当openRealtimeRenderOnNodeTextEdit配置更新后需要更新编辑框样式
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onOpenRealtimeRenderOnNodeTextEditConfigUpdate(
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openRealtimeRenderOnNodeTextEdit
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) {
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if (!this.textEditNode) return
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this.textEditNode.style.background = openRealtimeRenderOnNodeTextEdit
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? 'transparent'
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: this.currentNode
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? this.getBackground(this.currentNode)
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: ''
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this.textEditNode.style.boxShadow = openRealtimeRenderOnNodeTextEdit
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? 'none'
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: '0 0 20px rgba(0,0,0,.5)'
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}
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// 处理画布缩放
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onScale() {
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const node = this.getCurrentEditNode()
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if (!node) return
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if (this.mindMap.richText) {
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this.mindMap.richText.cacheEditingText =
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this.mindMap.richText.getEditText()
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this.mindMap.richText.showTextEdit = false
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} else {
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this.cacheEditingText = this.getEditText()
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this.showTextEdit = false
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}
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this.show({
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node,
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isFromScale: true
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})
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}
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// 显示文本编辑框
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showEditTextBox({ node, rect, isInserting, isFromKeyDown, isFromScale }) {
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if (this.showTextEdit) return
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const {
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nodeTextEditZIndex,
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textAutoWrapWidth,
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selectTextOnEnterEditText,
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openRealtimeRenderOnNodeTextEdit,
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autoEmptyTextWhenKeydownEnterEdit
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} = this.mindMap.opt
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if (!isFromScale) {
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this.mindMap.emit('before_show_text_edit')
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}
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this.registerTmpShortcut()
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if (!this.textEditNode) {
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this.textEditNode = document.createElement('div')
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this.textEditNode.classList.add(
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CONSTANTS.EDIT_NODE_CLASS.SMM_NODE_EDIT_WRAP
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)
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this.textEditNode.style.cssText = `
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position: fixed;
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box-sizing: border-box;
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${
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openRealtimeRenderOnNodeTextEdit
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? ''
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: `box-shadow: 0 0 20px rgba(0,0,0,.5);`
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}
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padding: ${this.textNodePaddingY}px ${this.textNodePaddingX}px;
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margin-left: -${this.textNodePaddingX}px;
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margin-top: -${this.textNodePaddingY}px;
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outline: none;
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word-break: break-all;
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line-break: anywhere;
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`
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this.textEditNode.setAttribute('contenteditable', true)
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this.textEditNode.addEventListener('keyup', e => {
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e.stopPropagation()
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})
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this.textEditNode.addEventListener('click', e => {
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e.stopPropagation()
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})
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this.textEditNode.addEventListener('mousedown', e => {
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e.stopPropagation()
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})
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this.textEditNode.addEventListener('keydown', e => {
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if (this.checkIsAutoEnterTextEditKey(e)) {
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e.stopPropagation()
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}
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})
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this.textEditNode.addEventListener('paste', e => {
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const text = e.clipboardData.getData('text')
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const { isSmm, data } = checkSmmFormatData(text)
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if (isSmm && data[0] && data[0].data) {
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// 只取第一个节点的纯文本
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handleInputPasteText(e, getTextFromHtml(data[0].data.text))
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} else {
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handleInputPasteText(e)
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}
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})
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this.textEditNode.addEventListener('input', () => {
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this.mindMap.emit('node_text_edit_change', {
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node: this.currentNode,
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text: this.getEditText(),
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richText: false
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})
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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.textEditNode)
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}
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const scale = this.mindMap.view.scale
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const fontSize = node.style.merge('fontSize')
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const textLines = (this.cacheEditingText || node.getData('text'))
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.split(/\n/gim)
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.map(item => {
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return htmlEscape(item)
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})
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const isMultiLine = node._textData.node.attr('data-ismultiLine') === 'true'
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node.style.domText(this.textEditNode, scale)
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if (!openRealtimeRenderOnNodeTextEdit) {
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this.textEditNode.style.background = this.getBackground(node)
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}
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this.textEditNode.style.zIndex = nodeTextEditZIndex
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if (isFromKeyDown && autoEmptyTextWhenKeydownEnterEdit) {
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this.textEditNode.innerHTML = ''
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} else {
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this.textEditNode.innerHTML = textLines.join('<br>')
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}
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this.textEditNode.style.minWidth =
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rect.width + this.textNodePaddingX * 2 + 'px'
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this.textEditNode.style.minHeight = rect.height + 'px'
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this.textEditNode.style.left = rect.left + 'px'
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this.textEditNode.style.top = rect.top + 'px'
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this.textEditNode.style.display = 'block'
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this.textEditNode.style.maxWidth = textAutoWrapWidth * scale + 'px'
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if (isMultiLine) {
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this.textEditNode.style.lineHeight = noneRichTextNodeLineHeight
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this.textEditNode.style.transform = `translateY(${
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(((noneRichTextNodeLineHeight - 1) * fontSize) / 2) * scale
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}px)`
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} else {
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this.textEditNode.style.lineHeight = 'normal'
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}
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this.showTextEdit = true
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// 选中文本
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// if (!this.cacheEditingText) {
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// selectAllInput(this.textEditNode)
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// }
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if (isInserting || (selectTextOnEnterEditText && !isFromKeyDown)) {
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selectAllInput(this.textEditNode)
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} else {
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focusInput(this.textEditNode)
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}
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this.cacheEditingText = ''
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}
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// 更新文本编辑框的大小和位置
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updateTextEditNode() {
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if (this.mindMap.richText) {
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this.mindMap.richText.updateTextEditNode()
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return
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}
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if (!this.showTextEdit || !this.currentNode) {
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return
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}
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const rect = this.currentNode._textData.node.node.getBoundingClientRect()
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this.textEditNode.style.minWidth =
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rect.width + this.textNodePaddingX * 2 + 'px'
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this.textEditNode.style.minHeight =
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rect.height + this.textNodePaddingY * 2 + 'px'
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this.textEditNode.style.left = rect.left + 'px'
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this.textEditNode.style.top = rect.top + 'px'
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}
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// 获取编辑区域的背景填充
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getBackground(node) {
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const gradientStyle = node.style.merge('gradientStyle')
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// 当前使用的是渐变色背景
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if (gradientStyle) {
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const startColor = node.style.merge('startColor')
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const endColor = node.style.merge('endColor')
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return `linear-gradient(to right, ${startColor}, ${endColor})`
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} else {
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// 单色背景
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const bgColor = node.style.merge('fillColor')
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const color = node.style.merge('color')
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// 默认使用节点的填充色，否则如果节点颜色是白色的话编辑时看不见
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return bgColor === 'transparent'
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? isWhite(color)
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? getVisibleColorFromTheme(this.mindMap.themeConfig)
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: '#fff'
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: bgColor
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}
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}
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// 删除文本编辑元素
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removeTextEditEl() {
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if (this.mindMap.richText) {
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this.mindMap.richText.removeTextEditEl()
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return
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}
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if (!this.textEditNode) return
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const targetNode = this.mindMap.opt.customInnerElsAppendTo || document.body
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targetNode.removeChild(this.textEditNode)
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}
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// 获取当前正在编辑的内容
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getEditText() {
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return getStrWithBrFromHtml(this.textEditNode.innerHTML)
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}
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// 隐藏文本编辑框
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hideEditTextBox() {
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if (this.mindMap.richText) {
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return this.mindMap.richText.hideEditText()
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}
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if (!this.showTextEdit) {
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return
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}
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const currentNode = this.currentNode
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const text = this.getEditText()
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this.currentNode = null
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this.textEditNode.style.display = 'none'
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this.textEditNode.innerHTML = ''
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this.textEditNode.style.fontFamily = 'inherit'
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this.textEditNode.style.fontSize = 'inherit'
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this.textEditNode.style.fontWeight = 'normal'
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this.textEditNode.style.transform = 'translateY(0)'
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this.showTextEdit = false
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this.mindMap.execCommand('SET_NODE_TEXT', currentNode, text)
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// if (currentNode.isGeneralization) {
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// // 概要节点
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// currentNode.generalizationBelongNode.updateGeneralization()
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// }
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this.mindMap.render()
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this.mindMap.emit(
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'hide_text_edit',
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this.textEditNode,
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this.renderer.activeNodeList,
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currentNode
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)
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}
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// 获取当前正在编辑中的节点实例
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getCurrentEditNode() {
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if (this.mindMap.richText) {
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return this.mindMap.richText.node
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}
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return this.currentNode
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}
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}
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