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https://github.com/wanglin2/mind-map.git
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Feature：新增时间轴结构
This commit is contained in:
wanglin2
parent
21f487321a
commit
2de0334e3b
@ -3,6 +3,7 @@ import LogicalStructure from './layouts/LogicalStructure'
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import MindMap from './layouts/MindMap'
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import CatalogOrganization from './layouts/CatalogOrganization'
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import OrganizationStructure from './layouts/OrganizationStructure'
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import Timeline from './layouts/Timeline'
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import TextEdit from './TextEdit'
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import { copyNodeTree, simpleDeepClone, walk } from './utils'
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import { shapeList } from './Shape'
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@ -18,7 +19,9 @@ const layouts = {
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// 目录组织图
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[CONSTANTS.LAYOUT.CATALOG_ORGANIZATION]: CatalogOrganization,
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// 组织结构图
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[CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE]: OrganizationStructure
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[CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE]: OrganizationStructure,
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// 时间轴
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[CONSTANTS.LAYOUT.TIMELINE]: Timeline
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}
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// 渲染
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318
simple-mind-map/src/layouts/Timeline.js
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318
simple-mind-map/src/layouts/Timeline.js
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@ -0,0 +1,318 @@
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import Base from './Base'
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import { walk, asyncRun } from '../utils'
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// 时间轴
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class CatalogOrganization extends Base {
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// 构造函数
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constructor(opt = {}) {
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super(opt)
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}
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// 布局
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doLayout(callback) {
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let task = [
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() => {
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this.computedBaseValue()
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},
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() => {
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this.computedLeftTopValue()
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},
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() => {
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this.adjustLeftTopValue()
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},
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() => {
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callback(this.root)
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}
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]
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asyncRun(task)
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}
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// 遍历数据创建节点、计算根节点的位置，计算根节点的子节点的top值
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computedBaseValue() {
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walk(
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this.renderer.renderTree,
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null,
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(cur, parent, isRoot, layerIndex) => {
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let newNode = this.createNode(cur, parent, isRoot, layerIndex)
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// 根节点定位在画布中心位置
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if (isRoot) {
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this.setNodeCenter(newNode)
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} else {
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// 非根节点
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if (parent._node.isRoot) {
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newNode.top =
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parent._node.top +
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(cur._node.height > parent._node.height
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? -(cur._node.height - parent._node.height) / 2
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: (parent._node.height - cur._node.height) / 2)
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}
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}
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if (!cur.data.expand) {
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return true
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}
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},
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(cur, parent, isRoot, layerIndex) => {},
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true,
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0
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)
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}
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// 遍历节点树计算节点的left、top
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computedLeftTopValue() {
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walk(
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this.root,
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null,
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(node, parent, isRoot, layerIndex) => {
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if (
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node.nodeData.data.expand &&
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node.children &&
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node.children.length
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) {
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let marginX = this.getMarginX(layerIndex + 1)
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let marginY = this.getMarginY(layerIndex + 1)
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if (isRoot) {
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let left = node.left + node.width
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let totalLeft = left + marginX
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node.children.forEach(cur => {
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cur.left = totalLeft
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totalLeft += cur.width + marginX
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})
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} else {
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let totalTop = node.top + node.height + marginY + node.expandBtnSize
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node.children.forEach(cur => {
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cur.left = node.left + node.width * 0.5
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cur.top = totalTop
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totalTop += cur.height + marginY + node.expandBtnSize
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})
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}
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}
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},
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null,
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true
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)
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}
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// 调整节点left、top
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adjustLeftTopValue() {
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walk(
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this.root,
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null,
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(node, parent, isRoot, layerIndex) => {
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if (!node.nodeData.data.expand) {
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return
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}
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// 调整left
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if (node.isRoot) {
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this.updateBrothersLeft(node)
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}
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// 调整top
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let len = node.children.length
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if (parent && !parent.isRoot && len > 0) {
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let marginY = this.getMarginY(layerIndex + 1)
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let totalHeight =
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node.children.reduce((h, item) => {
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return h + item.height
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}, 0) +
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(len + 1) * marginY +
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len * node.expandBtnSize
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this.updateBrothersTop(node, totalHeight)
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}
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},
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null,
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true
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)
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}
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// 递归计算节点的宽度
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getNodeAreaWidth(node) {
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let widthArr = []
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let loop = (node, width) => {
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if (node.children.length) {
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width += node.width / 2
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node.children.forEach(item => {
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loop(item, width)
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})
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} else {
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width += node.width
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widthArr.push(width)
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}
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}
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loop(node, 0)
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return Math.max(...widthArr)
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}
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// 调整兄弟节点的left
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updateBrothersLeft(node) {
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let childrenList = node.children
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let totalAddWidth = 0
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childrenList.forEach(item => {
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item.left += totalAddWidth
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if (item.children && item.children.length) {
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this.updateChildren(item.children, 'left', totalAddWidth)
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}
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let areaWidth = this.getNodeAreaWidth(item)
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let difference = areaWidth - item.width
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if (difference > 0) {
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totalAddWidth += difference
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}
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})
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}
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// 调整兄弟节点的top
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updateBrothersTop(node, addHeight) {
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if (node.parent && !node.parent.isRoot) {
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let childrenList = node.parent.children
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let index = childrenList.findIndex(item => {
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return item === node
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})
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childrenList.forEach((item, _index) => {
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if (item.hasCustomPosition()) {
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// 适配自定义位置
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return
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}
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let _offset = 0
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// 下面的节点往下移
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if (_index > index) {
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_offset = addHeight
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}
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item.top += _offset
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// 同步更新子节点的位置
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if (item.children && item.children.length) {
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this.updateChildren(item.children, 'top', _offset)
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}
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})
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// 更新父节点的位置
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this.updateBrothersTop(node.parent, addHeight)
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}
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}
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// 绘制连线，连接该节点到其子节点
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renderLine(node, lines, style) {
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if (node.children.length <= 0) {
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return []
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}
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let { left, top, width, height, expandBtnSize } = node
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let len = node.children.length
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if (node.isRoot) {
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// 根节点
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let prevBother = node
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node.children.forEach((item, index) => {
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let y2 = item.top + item.height
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// 节点使用横线风格，需要额外渲染横线
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let nodeUseLineStylePath = this.mindMap.themeConfig.nodeUseLineStyle
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? ` L ${item.left},${y2} L ${item.left + item.width},${y2}`
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: ''
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let path =
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`M ${prevBother.left + prevBother.width},${
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node.top + node.height / 2
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} L ${item.left},${node.top + node.height / 2}` + nodeUseLineStylePath
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// 竖线
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lines[index].plot(path)
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style && style(lines[index], item)
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prevBother = item
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})
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} else {
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// 非根节点
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let y1 = top + height
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let maxy = -Infinity
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let x2 = node.left + node.width * 0.3
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node.children.forEach((item, index) => {
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// 为了适配自定义位置，下面做了各种位置的兼容
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let y2 = item.top + item.height / 2
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if (y2 > maxy) {
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maxy = y2
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}
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// 水平线
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let path = ''
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let _left = item.left
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let _isLeft = item.left + item.width < x2
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let _isXCenter = false
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if (_isLeft) {
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// 水平位置在父节点左边
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_left = item.left + item.width
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} else if (item.left < x2 && item.left + item.width > x2) {
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// 水平位置在父节点之间
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_isXCenter = true
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y2 = item.top
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maxy = y2
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}
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if (y2 > top && y2 < y1) {
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// 自定义位置的情况：垂直位置节点在父节点之间
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path = `M ${
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_isLeft ? node.left : node.left + node.width
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},${y2} L ${_left},${y2}`
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} else if (y2 < y1) {
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// 自定义位置的情况：垂直位置节点在父节点上面
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if (_isXCenter) {
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y2 = item.top + item.height
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_left = x2
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}
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path = `M ${x2},${top} L ${x2},${y2} L ${_left},${y2}`
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} else {
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if (_isXCenter) {
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_left = x2
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}
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path = `M ${x2},${y2} L ${_left},${y2}`
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}
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// 节点使用横线风格，需要额外渲染横线
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let nodeUseLineStylePath = this.mindMap.themeConfig.nodeUseLineStyle
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? ` L ${_left},${y2 - item.height / 2} L ${_left},${
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y2 + item.height / 2
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}`
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: ''
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path += nodeUseLineStylePath
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lines[index].plot(path)
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style && style(lines[index], item)
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})
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// 竖线
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if (len > 0) {
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let lin2 = this.draw.path()
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expandBtnSize = len > 0 ? expandBtnSize : 0
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node.style.line(lin2)
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if (maxy < y1 + expandBtnSize) {
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lin2.hide()
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} else {
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lin2.plot(`M ${x2},${y1 + expandBtnSize} L ${x2},${maxy}`)
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lin2.show()
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}
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node._lines.push(lin2)
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style && style(lin2, node)
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}
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}
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}
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// 渲染按钮
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renderExpandBtn(node, btn) {
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let { width, height, expandBtnSize, isRoot } = node
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if (!isRoot) {
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let { translateX, translateY } = btn.transform()
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btn.translate(
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width * 0.3 - expandBtnSize / 2 - translateX,
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height + expandBtnSize / 2 - translateY
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)
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}
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}
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// 创建概要节点
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renderGeneralization(node, gLine, gNode) {
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let {
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top,
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bottom,
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right,
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generalizationLineMargin,
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generalizationNodeMargin
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} = this.getNodeBoundaries(node, 'h')
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let x1 = right + generalizationLineMargin
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let y1 = top
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let x2 = right + generalizationLineMargin
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let y2 = bottom
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let cx = x1 + 20
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let cy = y1 + (y2 - y1) / 2
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let path = `M ${x1},${y1} Q ${cx},${cy} ${x2},${y2}`
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gLine.plot(path)
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gNode.left = right + generalizationNodeMargin
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gNode.top = top + (bottom - top - gNode.height) / 2
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}
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}
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export default CatalogOrganization
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@ -154,7 +154,8 @@ export const CONSTANTS = {
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LOGICAL_STRUCTURE: 'logicalStructure',
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MIND_MAP: 'mindMap',
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ORGANIZATION_STRUCTURE: 'organizationStructure',
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CATALOG_ORGANIZATION: 'catalogOrganization'
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CATALOG_ORGANIZATION: 'catalogOrganization',
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TIMELINE: 'timeline'
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},
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DIR: {
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UP: 'up',
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@ -217,11 +218,16 @@ export const layoutList = [
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{
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name: '目录组织图',
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value: CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
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},
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{
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name: '时间轴',
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value: CONSTANTS.LAYOUT.TIMELINE,
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}
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]
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export const layoutValueList = [
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CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
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CONSTANTS.LAYOUT.MIND_MAP,
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CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
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CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE
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CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE,
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CONSTANTS.LAYOUT.TIMELINE
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]
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@ -272,7 +272,7 @@ export default {
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this.mindMap = new MindMap({
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el: this.$refs.mindMapContainer,
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data: root,
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layout: layout,
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layout: 'timeline',
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theme: theme.template,
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themeConfig: theme.config,
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viewData: view,
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