Files
mind-map/simple-mind-map/src/Style.js
2023-03-30 16:12:46 +08:00

180 lines
4.6 KiB
JavaScript

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