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180 lines
4.6 KiB
JavaScript
180 lines
4.6 KiB
JavaScript
import { tagColorList } from './utils/constant'
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const rootProp = ['paddingX', 'paddingY']
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// 样式类
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class Style {
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// 设置背景样式
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static setBackgroundStyle(el, themeConfig) {
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let { backgroundColor, backgroundImage, backgroundRepeat, backgroundPosition, backgroundSize } = themeConfig
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el.style.backgroundColor = backgroundColor
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if (backgroundImage) {
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el.style.backgroundImage = `url(${backgroundImage})`
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el.style.backgroundRepeat = backgroundRepeat
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el.style.backgroundPosition = backgroundPosition
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el.style.backgroundSize = backgroundSize
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} else {
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el.style.backgroundImage = 'none'
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}
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}
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// 构造函数
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constructor(ctx) {
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this.ctx = ctx
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}
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// 合并样式
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merge(prop, root, isActive) {
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let themeConfig = this.ctx.mindMap.themeConfig
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// 三级及以下节点
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let defaultConfig = themeConfig.node
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if (root || rootProp.includes(prop)) {
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// 直接使用最外层样式
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defaultConfig = themeConfig
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} else if (this.ctx.isGeneralization) {
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// 概要节点
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defaultConfig = themeConfig.generalization
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} else if (this.ctx.layerIndex === 0) {
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// 根节点
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defaultConfig = themeConfig.root
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} else if (this.ctx.layerIndex === 1) {
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// 二级节点
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defaultConfig = themeConfig.second
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}
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// 激活状态
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if (isActive !== undefined ? isActive : this.ctx.nodeData.data.isActive) {
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if (
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this.ctx.nodeData.data.activeStyle &&
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this.ctx.nodeData.data.activeStyle[prop] !== undefined
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) {
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return this.ctx.nodeData.data.activeStyle[prop]
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} else if (defaultConfig.active && defaultConfig.active[prop]) {
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return defaultConfig.active[prop]
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}
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}
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// 优先使用节点本身的样式
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return this.getSelfStyle(prop) !== undefined
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? this.getSelfStyle(prop)
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: defaultConfig[prop]
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}
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// 获取某个样式值
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getStyle(prop, root, isActive) {
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return this.merge(prop, root, isActive)
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}
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// 获取自身自定义样式
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getSelfStyle(prop) {
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return this.ctx.nodeData.data[prop]
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}
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// 矩形
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rect(node) {
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this.shape(node)
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node.radius(this.merge('borderRadius'))
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}
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// 矩形外的其他形状
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shape(node) {
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node.fill({
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color: this.merge('fillColor')
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})
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// 节点使用横线样式,不需要渲染非激活状态的边框样式
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if (
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!this.ctx.isRoot &&
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!this.ctx.isGeneralization &&
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this.ctx.mindMap.themeConfig.nodeUseLineStyle &&
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!this.ctx.nodeData.data.isActive
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) {
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return
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}
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node.stroke({
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color: this.merge('borderColor'),
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width: this.merge('borderWidth'),
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dasharray: this.merge('borderDasharray')
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})
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}
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// 文字
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text(node) {
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node
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.fill({
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color: this.merge('color')
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})
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.css({
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'font-family': this.merge('fontFamily'),
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'font-size': this.merge('fontSize'),
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'font-weight': this.merge('fontWeight'),
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'font-style': this.merge('fontStyle'),
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'text-decoration': this.merge('textDecoration')
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})
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}
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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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fontFamily: this.merge('fontFamily')
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}
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}
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// html文字节点
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domText(node, fontSizeScale = 1) {
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node.style.fontFamily = this.merge('fontFamily')
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node.style.fontSize = this.merge('fontSize') * fontSizeScale + 'px'
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node.style.fontWeight = this.merge('fontWeight') || 'normal'
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node.style.lineHeight = this.merge('lineHeight')
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node.style.fontStyle = this.merge('fontStyle')
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}
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// 标签文字
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tagText(node, index) {
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node
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.fill({
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color: tagColorList[index].color
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})
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.css({
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'font-size': '12px'
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})
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}
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// 标签矩形
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tagRect(node, index) {
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node.fill({
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color: tagColorList[index].background
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})
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}
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// 内置图标
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iconNode(node) {
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node.attr({
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fill: this.merge('color')
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})
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}
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// 连线
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line(node, { width, color, dasharray } = {}) {
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node.stroke({ width, color, dasharray }).fill({ color: 'none' })
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}
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// 概要连线
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generalizationLine(node) {
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node
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.stroke({
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width: this.merge('generalizationLineWidth', true),
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color: this.merge('generalizationLineColor', true)
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})
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.fill({ color: 'none' })
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}
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// 展开收起按钮
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iconBtn(node, node2, fillNode) {
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node.fill({ color: '#808080' })
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node2.fill({ color: '#808080' })
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fillNode.fill({ color: '#fff' })
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}
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}
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export default Style
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