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https://github.com/wanglin2/mind-map.git
synced 2026-02-17 22:08:25 +08:00
Feat:优化小地图,去除小地图内的节点内容,优化性能
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@@ -266,6 +266,7 @@ class Node {
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paddingY += this.shapePadding.paddingY
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// 节点形状
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this.shapeNode = this.shapeInstance.createShape()
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this.shapeNode.addClass('smm-node-shape')
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this.group.add(this.shapeNode)
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this.updateNodeShape()
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// 渲染一个隐藏的矩形区域,用来触发展开收起按钮的显示
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@@ -531,6 +532,7 @@ class Node {
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isLayout = true
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// 创建组
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this.group = new G()
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this.group.addClass('smm-node')
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this.group.css({
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cursor: 'default'
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})
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@@ -1,3 +1,5 @@
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import { isWhite, isTransparent } from '../utils/index'
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// 小地图插件
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class MiniMap {
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// 构造函数
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@@ -20,7 +22,7 @@ class MiniMap {
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* boxHeight:小地图容器的高度
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*/
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calculationMiniMap(boxWidth, boxHeight) {
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let { svgHTML, rect, origWidth, origHeight, scaleX, scaleY } =
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let { svg, rect, origWidth, origHeight, scaleX, scaleY } =
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this.mindMap.getSvgData()
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// 计算数据
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let boxRatio = boxWidth / boxHeight
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@@ -65,8 +67,10 @@ class MiniMap {
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Math.max(0, ((_rectY2 - origHeight) / _rectHeight) * actHeight) +
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miniMapBoxTop +
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'px'
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this.removeNodeContent(svg)
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return {
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svgHTML, // 小地图html
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svgHTML: svg.svg(), // 小地图html
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viewBoxStyle, // 视图框的位置信息
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miniMapBoxScale, // 视图框的缩放值
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miniMapBoxLeft, // 视图框的left值
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@@ -74,6 +78,38 @@ class MiniMap {
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}
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}
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// 移除节点的内容
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removeNodeContent(svg) {
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if (svg.hasClass('smm-node')) {
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let shape = svg.findOne('.smm-node-shape')
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let fill = shape.attr('fill')
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if (isWhite(fill) || isTransparent(fill)) {
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shape.attr('fill', this.getDefaultFill())
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}
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svg.clear()
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svg.add(shape)
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return
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}
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let children = svg.children()
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if (children && children.length > 0) {
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children.forEach((node) => {
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this.removeNodeContent(node)
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})
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}
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}
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// 计算默认的填充颜色
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getDefaultFill() {
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let { lineColor, root, second, node } = this.mindMap.themeConfig
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let list = [lineColor, root.fillColor, root.color, second.fillColor, second.color, node.fillColor, node.color, root.borderColor, second.borderColor, node.borderColor]
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for(let i = 0; i < list.length; i++) {
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let color = list[i]
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if (!isTransparent(color) && !isWhite(color)) {
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return color
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}
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}
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}
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// 小地图鼠标按下事件
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onMousedown(e) {
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this.isMousedown = true
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@@ -515,4 +515,16 @@ export const replaceHtmlText = (html, searchText, replaceText) => {
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}
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walk(replaceHtmlTextEl)
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return replaceHtmlTextEl.innerHTML
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}
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// 判断一个颜色是否是白色
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export const isWhite = (color) => {
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color = String(color).replaceAll(/\s+/g, '')
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return ['#fff', '#ffffff', '#FFF', '#FFFFFF', 'rgb(255,255,255)'].includes(color) || /rgba\(255,255,255,[^)]+\)/.test(color)
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}
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// 判断一个颜色是否是透明
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export const isTransparent = (color) => {
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color = String(color).replaceAll(/\s+/g, '')
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return ['', 'transparent'].includes(color) || /rgba\(\d+,\d+,\d+,0\)/.test(color)
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}
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