mirror of
https://github.com/wanglin2/mind-map.git
synced 2026-02-17 22:08:25 +08:00
766 lines
23 KiB
JavaScript
766 lines
23 KiB
JavaScript
import { walk, bfsWalk, throttle } from '../utils'
|
||
import { v4 as uuid } from 'uuid'
|
||
import {
|
||
getAssociativeLineTargetIndex,
|
||
computeCubicBezierPathPoints,
|
||
cubicBezierPath,
|
||
getNodePoint,
|
||
computeNodePoints,
|
||
getNodeLinePath
|
||
} from './associativeLine/associativeLineUtils'
|
||
import associativeLineControlsMethods from './associativeLine/associativeLineControls'
|
||
import associativeLineTextMethods from './associativeLine/associativeLineText'
|
||
|
||
const styleProps = [
|
||
'associativeLineWidth',
|
||
'associativeLineColor',
|
||
'associativeLineActiveWidth',
|
||
'associativeLineActiveColor',
|
||
'associativeLineDasharray',
|
||
'associativeLineTextColor',
|
||
'associativeLineTextFontSize',
|
||
'associativeLineTextLineHeight',
|
||
'associativeLineTextFontFamily'
|
||
]
|
||
|
||
const ASSOCIATIVE_LINE_TEXT_EDIT_WRAP = 'associative-line-text-edit-warp'
|
||
|
||
// 关联线插件
|
||
class AssociativeLine {
|
||
constructor(opt = {}) {
|
||
this.mindMap = opt.mindMap
|
||
this.associativeLineDraw = this.mindMap.associativeLineDraw
|
||
// 本次不要重新渲染连线
|
||
this.isNotRenderAllLines = false
|
||
// 当前所有连接线
|
||
this.lineList = []
|
||
// 当前激活的连接线
|
||
this.activeLine = null
|
||
// 当前正在创建连接线
|
||
this.isCreatingLine = false // 是否正在创建连接线中
|
||
this.creatingStartNode = null // 起始节点
|
||
this.creatingLine = null // 创建过程中的连接线
|
||
this.overlapNode = null // 创建过程中的目标节点
|
||
// 是否有节点正在被拖拽
|
||
this.isNodeDragging = false
|
||
// 控制点
|
||
this.controlLine1 = null
|
||
this.controlLine2 = null
|
||
this.controlPoint1 = null
|
||
this.controlPoint2 = null
|
||
this.controlPointDiameter = 10
|
||
this.isControlPointMousedown = false
|
||
this.mousedownControlPointKey = ''
|
||
this.controlPointMousemoveState = {
|
||
pos: null,
|
||
startPoint: null,
|
||
endPoint: null,
|
||
targetIndex: ''
|
||
}
|
||
// 节流一下，不然很卡
|
||
this.checkOverlapNode = throttle(this.checkOverlapNode, 100, this)
|
||
// 控制点相关方法
|
||
Object.keys(associativeLineControlsMethods).forEach(item => {
|
||
this[item] = associativeLineControlsMethods[item].bind(this)
|
||
})
|
||
// 关联线文字相关方法
|
||
this.showTextEdit = false
|
||
Object.keys(associativeLineTextMethods).forEach(item => {
|
||
this[item] = associativeLineTextMethods[item].bind(this)
|
||
})
|
||
this.mindMap.addEditNodeClass(ASSOCIATIVE_LINE_TEXT_EDIT_WRAP)
|
||
this.bindEvent()
|
||
}
|
||
|
||
// 监听事件
|
||
bindEvent() {
|
||
this.renderAllLines = this.renderAllLines.bind(this)
|
||
this.onDrawClick = this.onDrawClick.bind(this)
|
||
this.onNodeClick = this.onNodeClick.bind(this)
|
||
this.removeLine = this.removeLine.bind(this)
|
||
this.addLine = this.addLine.bind(this)
|
||
this.onMousemove = this.onMousemove.bind(this)
|
||
this.onNodeDragging = this.onNodeDragging.bind(this)
|
||
this.onNodeDragend = this.onNodeDragend.bind(this)
|
||
this.onControlPointMouseup = this.onControlPointMouseup.bind(this)
|
||
this.onBeforeDestroy = this.onBeforeDestroy.bind(this)
|
||
|
||
// 节点树渲染完毕后渲染连接线
|
||
this.mindMap.on('node_tree_render_end', this.renderAllLines)
|
||
// 状态改变后重新渲染连接线
|
||
this.mindMap.on('data_change', this.renderAllLines)
|
||
// 监听画布和节点点击事件，用于清除当前激活的连接线
|
||
this.mindMap.on('draw_click', this.onDrawClick)
|
||
this.mindMap.on('node_click', this.onNodeClick)
|
||
this.mindMap.on('contextmenu', this.onDrawClick)
|
||
// 注册删除快捷键
|
||
this.mindMap.keyCommand.addShortcut('Del|Backspace', this.removeLine)
|
||
// 注册添加连接线的命令
|
||
this.mindMap.command.add('ADD_ASSOCIATIVE_LINE', this.addLine)
|
||
// 监听鼠标移动事件
|
||
this.mindMap.on('mousemove', this.onMousemove)
|
||
// 节点拖拽事件
|
||
this.mindMap.on('node_dragging', this.onNodeDragging)
|
||
this.mindMap.on('node_dragend', this.onNodeDragend)
|
||
// 拖拽控制点
|
||
this.mindMap.on('mouseup', this.onControlPointMouseup)
|
||
// 缩放事件
|
||
this.mindMap.on('scale', this.onScale)
|
||
// 实例销毁事件
|
||
this.mindMap.on('beforeDestroy', this.onBeforeDestroy)
|
||
}
|
||
|
||
// 解绑事件
|
||
unBindEvent() {
|
||
this.mindMap.off('node_tree_render_end', this.renderAllLines)
|
||
this.mindMap.off('data_change', this.renderAllLines)
|
||
this.mindMap.off('draw_click', this.onDrawClick)
|
||
this.mindMap.off('node_click', this.onNodeClick)
|
||
this.mindMap.off('contextmenu', this.onDrawClick)
|
||
this.mindMap.keyCommand.removeShortcut('Del|Backspace', this.removeLine)
|
||
this.mindMap.command.remove('ADD_ASSOCIATIVE_LINE', this.addLine)
|
||
this.mindMap.off('mousemove', this.onMousemove)
|
||
this.mindMap.off('node_dragging', this.onNodeDragging)
|
||
this.mindMap.off('node_dragend', this.onNodeDragend)
|
||
this.mindMap.off('mouseup', this.onControlPointMouseup)
|
||
this.mindMap.off('scale', this.onScale)
|
||
this.mindMap.off('beforeDestroy', this.onBeforeDestroy)
|
||
}
|
||
|
||
// 获取关联线的样式配置
|
||
// 优先级：关联线自定义样式、节点自定义样式、主题的节点层级样式、主题的最外层样式
|
||
getStyleConfig(node, toNode) {
|
||
let lineStyle = {}
|
||
if (toNode) {
|
||
const associativeLineStyle = node.getData('associativeLineStyle') || {}
|
||
lineStyle = associativeLineStyle[toNode.getData('uid')] || {}
|
||
}
|
||
const res = {}
|
||
styleProps.forEach(prop => {
|
||
if (typeof lineStyle[prop] !== 'undefined') {
|
||
res[prop] = lineStyle[prop]
|
||
} else {
|
||
res[prop] = node.getStyle(prop)
|
||
}
|
||
})
|
||
return res
|
||
}
|
||
|
||
// 实例销毁时清除关联线文字编辑框
|
||
onBeforeDestroy() {
|
||
this.hideEditTextBox()
|
||
this.removeTextEditEl()
|
||
}
|
||
|
||
// 画布点击事件
|
||
onDrawClick() {
|
||
// 取消创建关联线
|
||
if (this.isCreatingLine) {
|
||
this.cancelCreateLine()
|
||
}
|
||
// 取消激活关联线
|
||
if (!this.isControlPointMousedown) {
|
||
this.clearActiveLine()
|
||
this.renderAllLines()
|
||
}
|
||
}
|
||
|
||
// 节点点击事件
|
||
onNodeClick(node) {
|
||
if (this.isCreatingLine) {
|
||
this.completeCreateLine(node)
|
||
} else {
|
||
this.clearActiveLine()
|
||
this.renderAllLines()
|
||
}
|
||
}
|
||
|
||
// 创建箭头
|
||
createMarker(callback = () => {}) {
|
||
return this.associativeLineDraw.marker(20, 20, add => {
|
||
add.ref(12, 5)
|
||
add.size(10, 10)
|
||
add.attr('orient', 'auto-start-reverse')
|
||
callback(add.path('M0,0 L2,5 L0,10 L10,5 Z'))
|
||
})
|
||
}
|
||
|
||
// 判断关联线坐标是否变更，有变更则使用变化后的坐标，无则默认坐标
|
||
updateAllLinesPos(node, toNode, associativeLinePoint) {
|
||
associativeLinePoint = associativeLinePoint || {}
|
||
let [startPoint, endPoint] = computeNodePoints(node, toNode)
|
||
let nodeRange = 0
|
||
let nodeDir = ''
|
||
let toNodeRange = 0
|
||
let toNodeDir = ''
|
||
if (associativeLinePoint.startPoint) {
|
||
nodeRange = associativeLinePoint.startPoint.range || 0
|
||
nodeDir = associativeLinePoint.startPoint.dir || 'right'
|
||
startPoint = getNodePoint(node, nodeDir, nodeRange)
|
||
}
|
||
if (associativeLinePoint.endPoint) {
|
||
toNodeRange = associativeLinePoint.endPoint.range || 0
|
||
toNodeDir = associativeLinePoint.endPoint.dir || 'right'
|
||
endPoint = getNodePoint(toNode, toNodeDir, toNodeRange)
|
||
}
|
||
return [startPoint, endPoint]
|
||
}
|
||
|
||
// 渲染所有连线
|
||
renderAllLines() {
|
||
if (this.isNotRenderAllLines) {
|
||
this.isNotRenderAllLines = false
|
||
return
|
||
}
|
||
// 先移除
|
||
this.removeAllLines()
|
||
this.removeControls()
|
||
this.clearActiveLine()
|
||
let tree = this.mindMap.renderer.root
|
||
if (!tree) return
|
||
let idToNode = new Map()
|
||
let nodeToIds = new Map()
|
||
walk(
|
||
tree,
|
||
null,
|
||
cur => {
|
||
if (!cur) return
|
||
let data = cur.getData()
|
||
if (
|
||
data.associativeLineTargets &&
|
||
data.associativeLineTargets.length > 0
|
||
) {
|
||
nodeToIds.set(cur, data.associativeLineTargets)
|
||
}
|
||
if (data.uid) {
|
||
idToNode.set(data.uid, cur)
|
||
}
|
||
},
|
||
() => {},
|
||
true,
|
||
0
|
||
)
|
||
nodeToIds.forEach((ids, node) => {
|
||
ids.forEach((uid, index) => {
|
||
let toNode = idToNode.get(uid)
|
||
if (!node || !toNode) return
|
||
const associativeLinePoint = (node.getData('associativeLinePoint') ||
|
||
[])[index]
|
||
// 切换结构和布局，都会更新坐标
|
||
const [startPoint, endPoint] = this.updateAllLinesPos(
|
||
node,
|
||
toNode,
|
||
associativeLinePoint
|
||
)
|
||
this.drawLine(startPoint, endPoint, node, toNode)
|
||
})
|
||
})
|
||
}
|
||
|
||
// 绘制连接线
|
||
drawLine(startPoint, endPoint, node, toNode) {
|
||
let {
|
||
associativeLineWidth,
|
||
associativeLineColor,
|
||
associativeLineActiveWidth,
|
||
associativeLineDasharray
|
||
} = this.getStyleConfig(node, toNode)
|
||
// 箭头
|
||
let markerPath = null
|
||
const marker = this.createMarker(p => {
|
||
markerPath = p
|
||
})
|
||
markerPath
|
||
.stroke({ color: associativeLineColor })
|
||
.fill({ color: associativeLineColor })
|
||
// 路径
|
||
let { path: pathStr, controlPoints } = getNodeLinePath(
|
||
startPoint,
|
||
endPoint,
|
||
node,
|
||
toNode
|
||
)
|
||
// 虚线
|
||
let path = this.associativeLineDraw.path()
|
||
path
|
||
.stroke({
|
||
width: associativeLineWidth,
|
||
color: associativeLineColor,
|
||
dasharray: associativeLineDasharray || '6,4'
|
||
})
|
||
.fill({ color: 'none' })
|
||
path.plot(pathStr)
|
||
path.marker('end', marker)
|
||
// 不可见的点击线
|
||
let clickPath = this.associativeLineDraw.path()
|
||
clickPath
|
||
.stroke({ width: associativeLineActiveWidth, color: 'transparent' })
|
||
.fill({ color: 'none' })
|
||
clickPath.plot(pathStr)
|
||
// 文字
|
||
let text = this.createText({
|
||
path,
|
||
clickPath,
|
||
markerPath,
|
||
node,
|
||
toNode,
|
||
startPoint,
|
||
endPoint,
|
||
controlPoints
|
||
})
|
||
// 点击事件
|
||
clickPath.click(e => {
|
||
e.stopPropagation()
|
||
this.setActiveLine({
|
||
path,
|
||
clickPath,
|
||
markerPath,
|
||
text,
|
||
node,
|
||
toNode,
|
||
startPoint,
|
||
endPoint,
|
||
controlPoints
|
||
})
|
||
})
|
||
// 双击进入关联线文本编辑状态
|
||
clickPath.dblclick(() => {
|
||
if (!this.activeLine) return
|
||
this.showEditTextBox(text)
|
||
})
|
||
// 渲染关联线文字
|
||
this.renderText(this.getText(node, toNode), path, text, node, toNode)
|
||
this.lineList.push([path, clickPath, text, node, toNode])
|
||
}
|
||
|
||
// 更新当前激活连线的样式，一般在自定义了节点关联线的样式后调用
|
||
// 直接调用node.setStyle方法更新样式会直接触发关联线更新，但是关联线的激活状态会丢失
|
||
// 所以可以调用node.setData方法更新数据，然后再调用该方法更新样式，这样关联线激活状态不会丢失
|
||
updateActiveLineStyle() {
|
||
if (!this.activeLine) return
|
||
this.isNotRenderAllLines = true
|
||
const [path, clickPath, text, node, toNode, markerPath] = this.activeLine
|
||
const {
|
||
associativeLineWidth,
|
||
associativeLineColor,
|
||
associativeLineDasharray,
|
||
associativeLineActiveWidth,
|
||
associativeLineActiveColor,
|
||
associativeLineTextColor,
|
||
associativeLineTextFontFamily,
|
||
associativeLineTextFontSize
|
||
} = this.getStyleConfig(node, toNode)
|
||
path
|
||
.stroke({
|
||
width: associativeLineWidth,
|
||
color: associativeLineColor,
|
||
dasharray: associativeLineDasharray || '6,4'
|
||
})
|
||
.fill({ color: 'none' })
|
||
clickPath
|
||
.stroke({
|
||
width: associativeLineActiveWidth,
|
||
color: associativeLineActiveColor
|
||
})
|
||
.fill({ color: 'none' })
|
||
markerPath
|
||
.stroke({ color: associativeLineColor })
|
||
.fill({ color: associativeLineColor })
|
||
text.find('text').forEach(textNode => {
|
||
textNode
|
||
.fill({
|
||
color: associativeLineTextColor
|
||
})
|
||
.css({
|
||
'font-family': associativeLineTextFontFamily,
|
||
'font-size': associativeLineTextFontSize + 'px'
|
||
})
|
||
})
|
||
if (this.controlLine1) {
|
||
this.controlLine1.stroke({ color: associativeLineActiveColor })
|
||
}
|
||
if (this.controlLine2) {
|
||
this.controlLine2.stroke({ color: associativeLineActiveColor })
|
||
}
|
||
if (this.controlPoint1) {
|
||
this.controlPoint1.stroke({ color: associativeLineActiveColor })
|
||
}
|
||
if (this.controlPoint2) {
|
||
this.controlPoint2.stroke({ color: associativeLineActiveColor })
|
||
}
|
||
this.updateTextPos(path, text)
|
||
}
|
||
|
||
// 激活某根关联线
|
||
setActiveLine({
|
||
path,
|
||
clickPath,
|
||
markerPath,
|
||
text,
|
||
node,
|
||
toNode,
|
||
startPoint,
|
||
endPoint,
|
||
controlPoints
|
||
}) {
|
||
let { associativeLineActiveColor } = this.getStyleConfig(node, toNode)
|
||
// 如果当前存在激活节点，那么取消激活节点
|
||
this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
|
||
// 否则清除当前的关联线的激活状态，如果有的话
|
||
this.clearActiveLine()
|
||
// 保存当前激活的关联线信息
|
||
this.activeLine = [path, clickPath, text, node, toNode, markerPath]
|
||
// 让不可见的点击线显示
|
||
clickPath.stroke({ color: associativeLineActiveColor })
|
||
// 如果没有输入过关联线文字，那么显示默认文字
|
||
if (!this.getText(node, toNode)) {
|
||
this.renderText(
|
||
this.mindMap.opt.defaultAssociativeLineText,
|
||
path,
|
||
text,
|
||
node,
|
||
toNode
|
||
)
|
||
}
|
||
// 渲染控制点和连线
|
||
this.renderControls(
|
||
startPoint,
|
||
endPoint,
|
||
controlPoints[0],
|
||
controlPoints[1],
|
||
node,
|
||
toNode
|
||
)
|
||
this.mindMap.emit('associative_line_click', path, clickPath, node, toNode)
|
||
this.front()
|
||
}
|
||
|
||
// 移除所有连接线
|
||
removeAllLines() {
|
||
this.lineList.forEach(line => {
|
||
line[0].remove()
|
||
line[1].remove()
|
||
line[2].remove()
|
||
})
|
||
this.lineList = []
|
||
}
|
||
|
||
// 从当前激活节点开始创建连接线
|
||
createLineFromActiveNode() {
|
||
if (this.mindMap.renderer.activeNodeList.length <= 0) return
|
||
let node = this.mindMap.renderer.activeNodeList[0]
|
||
this.createLine(node)
|
||
}
|
||
|
||
// 创建连接线
|
||
createLine(fromNode) {
|
||
let {
|
||
associativeLineWidth,
|
||
associativeLineColor,
|
||
associativeLineDasharray
|
||
} = this.getStyleConfig(fromNode)
|
||
if (this.isCreatingLine || !fromNode) return
|
||
this.front()
|
||
this.isCreatingLine = true
|
||
this.creatingStartNode = fromNode
|
||
this.creatingLine = this.associativeLineDraw.path()
|
||
this.creatingLine
|
||
.stroke({
|
||
width: associativeLineWidth,
|
||
color: associativeLineColor,
|
||
dasharray: associativeLineDasharray || '6,4'
|
||
})
|
||
.fill({ color: 'none' })
|
||
// 箭头
|
||
let markerPath = null
|
||
const marker = this.createMarker(p => {
|
||
markerPath = p
|
||
})
|
||
markerPath
|
||
.stroke({ color: associativeLineColor })
|
||
.fill({ color: associativeLineColor })
|
||
this.creatingLine.marker('end', marker)
|
||
}
|
||
|
||
// 取消创建关联线
|
||
cancelCreateLine() {
|
||
this.isCreatingLine = false
|
||
this.creatingStartNode = null
|
||
this.creatingLine.remove()
|
||
this.creatingLine = null
|
||
this.overlapNode = null
|
||
this.back()
|
||
}
|
||
|
||
// 鼠标移动事件
|
||
onMousemove(e) {
|
||
this.onControlPointMousemove(e)
|
||
this.updateCreatingLine(e)
|
||
}
|
||
|
||
// 更新创建过程中的连接线
|
||
updateCreatingLine(e) {
|
||
if (!this.isCreatingLine) return
|
||
let { x, y } = this.getTransformedEventPos(e)
|
||
let startPoint = getNodePoint(this.creatingStartNode)
|
||
let offsetX = x > startPoint.x ? -10 : 10
|
||
let pathStr = cubicBezierPath(startPoint.x, startPoint.y, x + offsetX, y)
|
||
this.creatingLine.plot(pathStr)
|
||
this.checkOverlapNode(x, y)
|
||
}
|
||
|
||
// 获取转换后的鼠标事件对象的坐标
|
||
getTransformedEventPos(e) {
|
||
let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
|
||
let { scaleX, scaleY, translateX, translateY } =
|
||
this.mindMap.draw.transform()
|
||
return {
|
||
x: (x - translateX) / scaleX,
|
||
y: (y - translateY) / scaleY
|
||
}
|
||
}
|
||
|
||
// 计算节点偏移位置
|
||
getNodePos(node) {
|
||
const { scaleX, scaleY, translateX, translateY } =
|
||
this.mindMap.draw.transform()
|
||
const { left, top, width, height } = node
|
||
let translateLeft = left * scaleX + translateX
|
||
let translateTop = top * scaleY + translateY
|
||
return {
|
||
left,
|
||
top,
|
||
translateLeft,
|
||
translateTop,
|
||
width,
|
||
height
|
||
}
|
||
}
|
||
|
||
// 检测当前移动到的目标节点
|
||
checkOverlapNode(x, y) {
|
||
this.overlapNode = null
|
||
bfsWalk(this.mindMap.renderer.root, node => {
|
||
if (node.getData('isActive')) {
|
||
this.mindMap.execCommand('SET_NODE_ACTIVE', node, false)
|
||
}
|
||
if (node.uid === this.creatingStartNode.uid || this.overlapNode) {
|
||
return
|
||
}
|
||
let { left, top, width, height } = node
|
||
let right = left + width
|
||
let bottom = top + height
|
||
if (x >= left && x <= right && y >= top && y <= bottom) {
|
||
this.overlapNode = node
|
||
}
|
||
})
|
||
if (this.overlapNode && !this.overlapNode.getData('isActive')) {
|
||
this.mindMap.execCommand('SET_NODE_ACTIVE', this.overlapNode, true)
|
||
}
|
||
}
|
||
|
||
// 完成创建连接线
|
||
completeCreateLine(node) {
|
||
if (this.creatingStartNode.uid === node.uid) return
|
||
const { beforeAssociativeLineConnection } = this.mindMap.opt
|
||
let stop = false
|
||
if (typeof beforeAssociativeLineConnection === 'function') {
|
||
stop = beforeAssociativeLineConnection(node)
|
||
}
|
||
if (stop) return
|
||
this.addLine(this.creatingStartNode, node)
|
||
if (this.overlapNode && this.overlapNode.getData('isActive')) {
|
||
this.mindMap.execCommand('SET_NODE_ACTIVE', this.overlapNode, false)
|
||
}
|
||
this.cancelCreateLine()
|
||
}
|
||
|
||
// 添加连接线
|
||
addLine(fromNode, toNode) {
|
||
if (!fromNode || !toNode) return
|
||
// 目标节点如果没有id，则生成一个id
|
||
let uid = toNode.getData('uid')
|
||
if (!uid) {
|
||
uid = uuid()
|
||
this.mindMap.execCommand('SET_NODE_DATA', toNode, {
|
||
uid
|
||
})
|
||
}
|
||
// 将目标节点id保存起来
|
||
let list = fromNode.getData('associativeLineTargets') || []
|
||
// 连线节点是否存在相同的id,存在则阻止添加关联线
|
||
const sameLine = list.some(item => item === uid)
|
||
if (sameLine) {
|
||
return
|
||
}
|
||
list.push(uid)
|
||
// 保存控制点
|
||
let [startPoint, endPoint] = computeNodePoints(fromNode, toNode)
|
||
let controlPoints = computeCubicBezierPathPoints(
|
||
startPoint.x,
|
||
startPoint.y,
|
||
endPoint.x,
|
||
endPoint.y
|
||
)
|
||
// 检查是否存在固定位置的配置
|
||
const { associativeLineInitPointsPosition } = this.mindMap.opt
|
||
if (associativeLineInitPointsPosition) {
|
||
const { from, to } = associativeLineInitPointsPosition
|
||
if (from) {
|
||
startPoint.dir = from
|
||
}
|
||
if (to) {
|
||
endPoint.dir = to
|
||
}
|
||
}
|
||
let offsetList =
|
||
fromNode.getData('associativeLineTargetControlOffsets') || []
|
||
// 保存的实际是控制点和端点的差值，否则当节点位置改变了，控制点还是原来的位置，连线就不对了
|
||
offsetList[list.length - 1] = [
|
||
{
|
||
x: controlPoints[0].x - startPoint.x,
|
||
y: controlPoints[0].y - startPoint.y
|
||
},
|
||
{
|
||
x: controlPoints[1].x - endPoint.x,
|
||
y: controlPoints[1].y - endPoint.y
|
||
}
|
||
]
|
||
let associativeLinePoint = fromNode.getData('associativeLinePoint') || []
|
||
// 记录关联的起始|结束坐标
|
||
associativeLinePoint[list.length - 1] = { startPoint, endPoint }
|
||
this.mindMap.execCommand('SET_NODE_DATA', fromNode, {
|
||
associativeLineTargets: list,
|
||
associativeLineTargetControlOffsets: offsetList,
|
||
associativeLinePoint
|
||
})
|
||
}
|
||
|
||
// 删除连接线
|
||
removeLine() {
|
||
if (!this.activeLine) return
|
||
let [, , , node, toNode] = this.activeLine
|
||
this.removeControls()
|
||
let {
|
||
associativeLineTargets,
|
||
associativeLinePoint,
|
||
associativeLineTargetControlOffsets,
|
||
associativeLineText,
|
||
associativeLineStyle
|
||
} = node.getData()
|
||
associativeLinePoint = associativeLinePoint || []
|
||
let targetIndex = getAssociativeLineTargetIndex(node, toNode)
|
||
// 更新关联线文本数据
|
||
let newAssociativeLineText = {}
|
||
if (associativeLineText) {
|
||
Object.keys(associativeLineText).forEach(item => {
|
||
if (item !== toNode.getData('uid')) {
|
||
newAssociativeLineText[item] = associativeLineText[item]
|
||
}
|
||
})
|
||
}
|
||
// 更新关联线样式数据
|
||
let newAssociativeLineStyle = {}
|
||
if (associativeLineStyle) {
|
||
Object.keys(associativeLineStyle).forEach(item => {
|
||
if (item !== toNode.getData('uid')) {
|
||
newAssociativeLineStyle[item] = associativeLineStyle[item]
|
||
}
|
||
})
|
||
}
|
||
this.mindMap.execCommand('SET_NODE_DATA', node, {
|
||
// 目标
|
||
associativeLineTargets: associativeLineTargets.filter((_, index) => {
|
||
return index !== targetIndex
|
||
}),
|
||
// 连接线坐标
|
||
associativeLinePoint: associativeLinePoint.filter((_, index) => {
|
||
return index !== targetIndex
|
||
}),
|
||
// 偏移量
|
||
associativeLineTargetControlOffsets: associativeLineTargetControlOffsets
|
||
? associativeLineTargetControlOffsets.filter((_, index) => {
|
||
return index !== targetIndex
|
||
})
|
||
: [],
|
||
// 文本
|
||
associativeLineText: newAssociativeLineText,
|
||
// 样式
|
||
associativeLineStyle: newAssociativeLineStyle
|
||
})
|
||
}
|
||
|
||
// 清除激活的线
|
||
clearActiveLine() {
|
||
if (this.activeLine) {
|
||
let [, clickPath, text, node, toNode] = this.activeLine
|
||
clickPath.stroke({
|
||
color: 'transparent'
|
||
})
|
||
// 隐藏关联线文本编辑框
|
||
this.hideEditTextBox()
|
||
// 如果当前关联线没有文字，则清空文字节点
|
||
if (!this.getText(node, toNode)) {
|
||
text.clear()
|
||
}
|
||
this.activeLine = null
|
||
this.removeControls()
|
||
this.back()
|
||
this.mindMap.emit('associative_line_deactivate')
|
||
}
|
||
}
|
||
|
||
// 处理节点正在拖拽事件
|
||
onNodeDragging() {
|
||
if (this.isNodeDragging) return
|
||
this.isNodeDragging = true
|
||
this.lineList.forEach(line => {
|
||
line[0].hide()
|
||
line[1].hide()
|
||
line[2].hide()
|
||
})
|
||
this.hideControls()
|
||
}
|
||
|
||
// 处理节点拖拽完成事件
|
||
onNodeDragend() {
|
||
if (!this.isNodeDragging) return
|
||
this.lineList.forEach(line => {
|
||
line[0].show()
|
||
line[1].show()
|
||
line[2].show()
|
||
})
|
||
this.showControls()
|
||
this.isNodeDragging = false
|
||
}
|
||
|
||
// 关联线顶层显示
|
||
front() {
|
||
if (this.mindMap.opt.associativeLineIsAlwaysAboveNode) return
|
||
this.associativeLineDraw.front()
|
||
}
|
||
|
||
// 关联线回到原有层级
|
||
back() {
|
||
if (this.mindMap.opt.associativeLineIsAlwaysAboveNode) return
|
||
this.associativeLineDraw.back() // 最底层
|
||
this.associativeLineDraw.forward() // 连线层上面
|
||
}
|
||
|
||
// 插件被移除前做的事情
|
||
beforePluginRemove() {
|
||
this.mindMap.deleteEditNodeClass(ASSOCIATIVE_LINE_TEXT_EDIT_WRAP)
|
||
this.unBindEvent()
|
||
}
|
||
|
||
// 插件被卸载前做的事情
|
||
beforePluginDestroy() {
|
||
this.mindMap.deleteEditNodeClass(ASSOCIATIVE_LINE_TEXT_EDIT_WRAP)
|
||
this.unBindEvent()
|
||
}
|
||
}
|
||
|
||
AssociativeLine.instanceName = 'associativeLine'
|
||
|
||
export default AssociativeLine
|