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https://github.com/wanglin2/mind-map.git
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Feat: 1.配置开启收起显示节点数量;2.支持配置传入一个函数,允许控制收起时显示的内容;3.支持配置expandBtnSize展开收起按钮的尺寸;4.收起时的样式可以使用expandBtnStyle配置颜色,字体,边框颜色。
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@ -68,13 +68,21 @@ export const defaultOpt = {
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// 展开收起按钮的颜色
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expandBtnStyle: {
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color: '#808080',
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fill: '#fff'
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fill: '#fff',
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fontSize: 13,
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strokeColor: '#333333'
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},
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// 自定义展开收起按钮的图标
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expandBtnIcon: {
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open: '', // svg字符串
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close: ''
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},
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// 处理收起节点数量
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expandBtnNumHandler: num => {
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return num
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},
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// 是否显示带数量的收起按钮
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isShowExpandNum: true,
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// 是否只有当鼠标在画布内才响应快捷键事件
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enableShortcutOnlyWhenMouseInSvg: true,
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// 初始根节点的位置
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@ -1,6 +1,15 @@
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import { tagColorList, nodeDataNoStylePropList } from '../../../constants/constant'
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import {
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tagColorList,
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nodeDataNoStylePropList
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} from '../../../constants/constant'
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const rootProp = ['paddingX', 'paddingY']
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const backgroundStyleProps = ['backgroundColor', 'backgroundImage', 'backgroundRepeat', 'backgroundPosition', 'backgroundSize']
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const backgroundStyleProps = [
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'backgroundColor',
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'backgroundImage',
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'backgroundRepeat',
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'backgroundPosition',
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'backgroundSize'
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]
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// 样式类
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class Style {
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@ -10,12 +19,18 @@ class Style {
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if (!Style.cacheStyle) {
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Style.cacheStyle = {}
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let style = window.getComputedStyle(el)
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backgroundStyleProps.forEach((prop) => {
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backgroundStyleProps.forEach(prop => {
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Style.cacheStyle[prop] = style[prop]
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})
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}
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// 设置新样式
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let { backgroundColor, backgroundImage, backgroundRepeat, backgroundPosition, backgroundSize } = themeConfig
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let {
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backgroundColor,
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backgroundImage,
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backgroundRepeat,
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backgroundPosition,
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backgroundSize
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} = themeConfig
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el.style.backgroundColor = backgroundColor
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if (backgroundImage && backgroundImage !== 'none') {
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el.style.backgroundImage = `url(${backgroundImage})`
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@ -30,7 +45,7 @@ class Style {
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// 移除背景样式
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static removeBackgroundStyle(el) {
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if (!Style.cacheStyle) return
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backgroundStyleProps.forEach((prop) => {
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backgroundStyleProps.forEach(prop => {
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el.style[prop] = Style.cacheStyle[prop]
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})
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Style.cacheStyle = null
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@ -142,10 +157,10 @@ class Style {
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// 获取文本样式
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getTextFontStyle() {
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return {
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italic: this.merge('fontStyle') === 'italic',
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bold: this.merge('fontWeight'),
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fontSize: this.merge('fontSize'),
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return {
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italic: this.merge('fontStyle') === 'italic',
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bold: this.merge('fontWeight'),
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fontSize: this.merge('fontSize'),
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fontFamily: this.merge('fontFamily')
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}
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}
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@ -201,19 +216,26 @@ class Style {
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// 展开收起按钮
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iconBtn(node, node2, fillNode) {
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let { color, fill } = this.ctx.mindMap.opt.expandBtnStyle || {
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let { color, fill, fontSize, fontColor } = this.ctx.mindMap.opt
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.expandBtnStyle || {
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color: '#808080',
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fill: '#fff'
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fill: '#fff',
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fontSize: 12,
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strokeColor: '#333333',
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fontColor: '#333333'
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}
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node.fill({ color: color })
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node2.fill({ color: color })
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fillNode.fill({ color: fill })
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if (this.ctx.mindMap.opt.isShowExpandNum) {
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node.attr({ 'font-size': fontSize, 'font-color': fontColor })
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}
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}
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// 是否设置了自定义的样式
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hasCustomStyle() {
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let res = false
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Object.keys(this.ctx.nodeData.data).forEach((item) => {
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Object.keys(this.ctx.nodeData.data).forEach(item => {
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if (!nodeDataNoStylePropList.includes(item)) {
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res = true
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}
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@ -3,28 +3,32 @@ import { SVG, Circle, G } from '@svgdotjs/svg.js'
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// 创建展开收起按钮的内容节点
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function createExpandNodeContent() {
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// 实时更新收起节点数字
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// if (this._openExpandNode) {
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// return
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// }
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let { close } = this.mindMap.opt.expandBtnIcon || {}
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// 计算子节点数量
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const count = this.sumNode(this.nodeData.children)
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// 生成按钮
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const node = SVG()
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.text(count)
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.font({ family: 'Inconsolata' })
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node.attr('font-size', 14)
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// 展开的节点
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this._openExpandNode = node.size(this.expandBtnSize, this.expandBtnSize)
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// 数字不同偏移量大小处理
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if (count < 10) {
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this._openExpandNode.x(6).y(-this.expandBtnSize / 2)
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} else if (count >= 10 && count < 100) {
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this._openExpandNode.x(1).y(-this.expandBtnSize / 2)
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if (this._openExpandNode && !this.mindMap.opt.isShowExpandNum) {
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return
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}
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let { close, open } = this.mindMap.opt.expandBtnIcon || {}
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// 根据配置判断是否显示数量按钮
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if (this.mindMap.opt.isShowExpandNum) {
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// 计算子节点数量
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let count = this.sumNode(this.nodeData.children)
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count = this.mindMap.opt.expandBtnNumHandler(count)
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// 展开的节点
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this._openExpandNode = SVG()
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.text(count)
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.size(this.expandBtnSize, this.expandBtnSize)
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// 文本垂直居中
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this._openExpandNode.attr({
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'text-anchor': 'middle',
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'dominant-baseline': 'middle',
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x: this.expandBtnSize / 2,
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y: 2
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})
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} else {
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this._openExpandNode = SVG(open || btnsSvg.open).size(
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this.expandBtnSize,
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this.expandBtnSize
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)
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this._openExpandNode.x(0).y(-this.expandBtnSize / 2)
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node.attr('font-size', 12)
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}
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// 收起的节点
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this._closeExpandNode = SVG(close || btnsSvg.close).size(
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@ -43,8 +47,6 @@ function createExpandNodeContent() {
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this._fillExpandNode
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)
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}
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// 统计折叠的子节点数量
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function sumNode(data = []) {
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return data.reduce(
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(total, cur) => total + this.sumNode(cur.children || []),
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@ -71,9 +73,11 @@ function updateExpandBtnNode() {
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if (this._expandBtn) {
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// 如果是收起按钮加上边框
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if (!expand) {
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let opt = this.mindMap.opt
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if (!expand && opt.isShowExpandNum) {
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// 数字按钮添加边框
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this._fillExpandNode.stroke({
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color: '#333333'
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color: opt.expandBtnStyle.strokeColor
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})
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}
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this._expandBtn.add(this._fillExpandNode).add(node)
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