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@@ -0,0 +1,175 @@
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+<template>
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+ <el-color-picker
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+ v-model="theme"
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+ :predefine="['#409EFF', '#1890ff', '#304156','#212121','#11a983', '#13c2c2', '#6959CD', '#f5222d', ]"
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+ class="theme-picker"
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+ popper-class="theme-picker-dropdown"
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+ />
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+</template>
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+
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+<script>
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+const version = require('element-ui/package.json').version // element-ui version from node_modules
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+const ORIGINAL_THEME = '#409EFF' // default color
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+
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+export default {
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+ data() {
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+ return {
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+ chalk: '', // content of theme-chalk css
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+ theme: ''
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+ }
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+ },
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+ computed: {
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+ defaultTheme() {
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+ return this.$store.state.settings.theme
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+ }
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+ },
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+ watch: {
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+ defaultTheme: {
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+ handler: function(val, oldVal) {
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+ this.theme = val
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+ },
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+ immediate: true
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+ },
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+ async theme(val) {
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+ const oldVal = this.chalk ? this.theme : ORIGINAL_THEME
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+ if (typeof val !== 'string') return
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+ const themeCluster = this.getThemeCluster(val.replace('#', ''))
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+ const originalCluster = this.getThemeCluster(oldVal.replace('#', ''))
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+ console.log(themeCluster, originalCluster)
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+
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+ const $message = this.$message({
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+ message: ' Compiling the theme',
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+ customClass: 'theme-message',
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+ type: 'success',
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+ duration: 0,
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+ iconClass: 'el-icon-loading'
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+ })
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+
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+ const getHandler = (variable, id) => {
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+ return () => {
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+ const originalCluster = this.getThemeCluster(ORIGINAL_THEME.replace('#', ''))
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+ const newStyle = this.updateStyle(this[variable], originalCluster, themeCluster)
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+
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+ let styleTag = document.getElementById(id)
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+ if (!styleTag) {
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+ styleTag = document.createElement('style')
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+ styleTag.setAttribute('id', id)
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+ document.head.appendChild(styleTag)
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+ }
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+ styleTag.innerText = newStyle
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+ }
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+ }
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+
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+ if (!this.chalk) {
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+ const url = `https://unpkg.com/element-ui@${version}/lib/theme-chalk/index.css`
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+ await this.getCSSString(url, 'chalk')
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+ }
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+
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+ const chalkHandler = getHandler('chalk', 'chalk-style')
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+
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+ chalkHandler()
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+
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+ const styles = [].slice.call(document.querySelectorAll('style'))
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+ .filter(style => {
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+ const text = style.innerText
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+ return new RegExp(oldVal, 'i').test(text) && !/Chalk Variables/.test(text)
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+ })
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+ styles.forEach(style => {
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+ const { innerText } = style
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+ if (typeof innerText !== 'string') return
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+ style.innerText = this.updateStyle(innerText, originalCluster, themeCluster)
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+ })
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+
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+ this.$emit('change', val)
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+
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+ $message.close()
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+ }
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+ },
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+
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+ methods: {
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+ updateStyle(style, oldCluster, newCluster) {
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+ let newStyle = style
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+ oldCluster.forEach((color, index) => {
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+ newStyle = newStyle.replace(new RegExp(color, 'ig'), newCluster[index])
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+ })
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+ return newStyle
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+ },
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+
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+ getCSSString(url, variable) {
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+ return new Promise(resolve => {
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+ const xhr = new XMLHttpRequest()
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+ xhr.onreadystatechange = () => {
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+ if (xhr.readyState === 4 && xhr.status === 200) {
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+ this[variable] = xhr.responseText.replace(/@font-face{[^}]+}/, '')
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+ resolve()
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+ }
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+ }
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+ xhr.open('GET', url)
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+ xhr.send()
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+ })
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+ },
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+
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+ getThemeCluster(theme) {
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+ const tintColor = (color, tint) => {
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+ let red = parseInt(color.slice(0, 2), 16)
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+ let green = parseInt(color.slice(2, 4), 16)
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+ let blue = parseInt(color.slice(4, 6), 16)
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+
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+ if (tint === 0) { // when primary color is in its rgb space
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+ return [red, green, blue].join(',')
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+ } else {
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+ red += Math.round(tint * (255 - red))
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+ green += Math.round(tint * (255 - green))
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+ blue += Math.round(tint * (255 - blue))
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+
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+ red = red.toString(16)
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+ green = green.toString(16)
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+ blue = blue.toString(16)
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+
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+ return `#${red}${green}${blue}`
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+ }
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+ }
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+
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+ const shadeColor = (color, shade) => {
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+ let red = parseInt(color.slice(0, 2), 16)
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+ let green = parseInt(color.slice(2, 4), 16)
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+ let blue = parseInt(color.slice(4, 6), 16)
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+
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+ red = Math.round((1 - shade) * red)
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+ green = Math.round((1 - shade) * green)
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+ blue = Math.round((1 - shade) * blue)
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+
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+ red = red.toString(16)
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+ green = green.toString(16)
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+ blue = blue.toString(16)
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+
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+ return `#${red}${green}${blue}`
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+ }
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+
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+ const clusters = [theme]
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+ for (let i = 0; i <= 9; i++) {
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+ clusters.push(tintColor(theme, Number((i / 10).toFixed(2))))
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+ }
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+ clusters.push(shadeColor(theme, 0.1))
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+ return clusters
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+ }
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+ }
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+}
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+</script>
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+
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+<style>
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+.theme-message,
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+.theme-picker-dropdown {
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+ z-index: 99999 !important;
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+}
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+
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+.theme-picker .el-color-picker__trigger {
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+ height: 26px !important;
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+ width: 26px !important;
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+ padding: 2px;
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+}
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+
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+.theme-picker-dropdown .el-color-dropdown__link-btn {
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+ display: none;
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+}
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+</style>
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mo