misskey/src/client/pages/theme-editor.vue

<template>
<FormBase class="cwepdizn">
	<div class="_formItem colorPicker">
		<div class="_formLabel">{{ $ts.backgroundColor }}</div>
		<div class="_formPanel colors">
			<button v-for="color in bgColors" :key="color.color" @click="bgColor = color" class="color _button" :class="{ active: bgColor.color === color.color }">
				<div class="preview" :style="{ background: color.forPreview }"></div>
			</button>
		</div>
	</div>
	<div class="_formItem colorPicker">
		<div class="_formLabel">{{ $ts.accentColor }}</div>
		<div class="_formPanel colors">
			<button v-for="color in accentColors" :key="color" @click="accentColor = color" class="color rounded _button" :class="{ active: accentColor === color }">
				<div class="preview" :style="{ background: color }"></div>
			</button>
		</div>
	</div>
	<div class="_formItem colorPicker">
		<div class="_formLabel">{{ $ts.textColor }}</div>
		<div class="_formPanel colors">
			<button v-for="color in fgColors" :key="color" @click="fgColor = color" class="color char _button" :class="{ active: fgColor === color }">
				<div class="preview" :style="{ color: color.forPreview ? color.forPreview : bgColor.kind === 'light' ? '#5f5f5f' : '#dadada' }">A</div>
			</button>
		</div>
	</div>
	<div class="_formItem preview">
		<div class="_formLabel">{{ $ts.preview }}</div>
		<div class="_formPanel preview">
			<MkSample class="preview"/>
		</div>
	</div>
	<FormButton @click="saveAs">{{ $ts.saveAs }}</FormButton>
</FormBase>
</template>

<script lang="ts">
import { defineComponent } from 'vue';
import { faPalette, faChevronDown, faKeyboard } from '@fortawesome/free-solid-svg-icons';
import { toUnicode } from 'punycode';
import * as tinycolor from 'tinycolor2';
import { v4 as uuid} from 'uuid';

import FormBase from '@/components/form/base.vue';
import FormButton from '@/components/form/button.vue';
import MkSample from '@/components/sample.vue';

import { Theme, applyTheme, validateTheme } from '@/scripts/theme';
import { host } from '@/config';
import * as os from '@/os';
import { ColdDeviceStorage } from '@/store';

export default defineComponent({
	components: {
		FormBase,
		FormButton,
		MkSample,
	},

	data() {
		return {
			INFO: {
				title: this.$ts.themeEditor,
				icon: faPalette,
			},
			bgColors: [
				{ color: '#f5f5f5', kind: 'light', forPreview: '#f5f5f5' },
				{ color: '#f0eee9', kind: 'light', forPreview: '#f3e2b9' },
				{ color: '#e9eff0', kind: 'light', forPreview: '#bfe3e8' },
				{ color: '#f0e9ee', kind: 'light', forPreview: '#f1d1e8' },
				{ color: '#2b2b2b', kind: 'dark', forPreview: '#2b2b2b' },
				{ color: '#362e29', kind: 'dark', forPreview: '#735c4d' },
				{ color: '#303629', kind: 'dark', forPreview: '#506d2f' },
				{ color: '#293436', kind: 'dark', forPreview: '#258192' },
			],
			bgColor: null,
			accentColors: ['#e36749', '#f29924', '#98c934', '#34c9a9', '#34a1c9', '#606df7', '#8d34c9', '#e84d83'],
			accentColor: null,
			fgColors: [
				{ color: 'none', forLight: '#5f5f5f', forDark: '#dadada', forPreview: null },
				{ color: 'red', forLight: '#7f6666', forDark: '#e4d1d1', forPreview: '#ca4343' },
				{ color: 'yellow', forLight: '#736955', forDark: '#e0d5c0', forPreview: '#d49923' },
				{ color: 'green', forLight: '#586d5b', forDark: '#d1e4d4', forPreview: '#4cbd5c' },
				{ color: 'cyan', forLight: '#5d7475', forDark: '#d1e3e4', forPreview: '#2abdc3' },
				{ color: 'blue', forLight: '#676880', forDark: '#d1d2e4', forPreview: '#3035b5' },
				{ color: 'pink', forLight: '#84667d', forDark: '#e4d1e0', forPreview: '#b12390' },
			],
			fgColor: null,
			faPalette,
		}
	},

	created() {
		const currentBgColor = getComputedStyle(document.documentElement).getPropertyValue('--bg');
		const matchedBgColor = this.bgColors.find(x => tinycolor(x.color).toRgbString() === tinycolor(currentBgColor).toRgbString());
		this.bgColor = matchedBgColor ? matchedBgColor : this.bgColors[0];
		const currentAccentColor = getComputedStyle(document.documentElement).getPropertyValue('--accent');
		const matchedAccentColor = this.accentColors.find(x => tinycolor(x).toRgbString() === tinycolor(currentAccentColor).toRgbString());
		this.accentColor = matchedAccentColor ? matchedAccentColor : this.accentColors[0];
		const currentFgColor = getComputedStyle(document.documentElement).getPropertyValue('--fg');
		const matchedFgColor = this.fgColors.find(x => [tinycolor(x.forLight).toRgbString(), tinycolor(x.forDark).toRgbString()].includes(tinycolor(currentFgColor).toRgbString()));
		this.fgColor = matchedFgColor ? matchedFgColor : this.fgColors[0];

		this.$watch('bgColor', this.apply);
		this.$watch('accentColor', this.apply);
		this.$watch('fgColor', this.apply);
		this.apply();
	},

	methods: {
		convert() {
			return {
				id: '#MY_THEME#',
				name: this.$ts.myTheme,
				base: this.bgColor.kind,
				props: {
					bg: this.bgColor.color,
					fg: this.bgColor.kind === 'light' ? this.fgColor.forLight : this.fgColor.forDark,
					accent: this.accentColor,
				}
			};
		},

		apply() {
			const theme = this.convert();
			applyTheme(theme, true);

			const themes = ColdDeviceStorage.get('themes').filter(t => t.id != '#MY_THEME#').concat(theme);
			ColdDeviceStorage.set('themes', themes);
			ColdDeviceStorage.set('lightTheme', theme.id);
			ColdDeviceStorage.set('darkTheme', theme.id);
		},

		async saveAs() {
			const { canceled, result: name } = await os.dialog({
				title: this.$ts.name,
				input: {
					allowEmpty: false
				}
			});
			if (canceled) return;

			const theme = this.convert();
			theme.id = uuid();
			theme.name = name;
			theme.author = `@${this.$i.username}@${toUnicode(host)}`;
			const themes = ColdDeviceStorage.get('themes').concat(theme);
			ColdDeviceStorage.set('themes', themes);
			ColdDeviceStorage.set('lightTheme', theme.id);
			ColdDeviceStorage.set('darkTheme', theme.id);
			os.dialog({
				type: 'success',
				text: this.$t('_theme.installed', { name: theme.name })
			});
		}
	}
});
</script>

<style lang="scss" scoped>
.cwepdizn {
	max-width: 800px;
	margin: 0 auto;

	> .colorPicker {
		> .colors {
			padding: 32px;
			text-align: center;

			> .color {
				display: inline-block;
				position: relative;
				width: 64px;
				height: 64px;
				border-radius: 8px;

				&:hover {
					> .preview {
						transform: scale(1.1);
					}
				}

				> .preview {
					position: absolute;
					top: 0;
					left: 0;
					right: 0;
					bottom: 0;
					margin: auto;
					width: 42px;
					height: 42px;
					border-radius: 4px;
					box-shadow: 0 2px 4px rgb(0 0 0 / 30%);
					transition: transform 0.15s ease;
				}

				&.active {
					box-shadow: 0 0 0 2px var(--divider) inset;
				}

				&.rounded {
					border-radius: 999px;

					> .preview {
						border-radius: 999px;
					}
				}

				&.char {
					line-height: 42px;
				}
			}
		}
	}

	> .preview > .preview > .preview {
		box-shadow: none;
		background: transparent;
	}
}
</style>