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