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

<template>
<MkSpacer :content-max="800" :margin-min="16" :margin-max="32">
	<div class="cwepdizn _formRoot">
		<FormFolder :default-open="true" class="_formBlock">
			<template #label>{{ $ts.backgroundColor }}</template>
			<div class="cwepdizn-colors">
				<div class="row">
					<button v-for="color in bgColors.filter(x => x.kind === 'light')" :key="color.color" class="color _button" :class="{ active: theme.props.bg === color.color }" @click="setBgColor(color)">
						<div class="preview" :style="{ background: color.forPreview }"></div>
					</button>
				</div>
				<div class="row">
					<button v-for="color in bgColors.filter(x => x.kind === 'dark')" :key="color.color" class="color _button" :class="{ active: theme.props.bg === color.color }" @click="setBgColor(color)">
						<div class="preview" :style="{ background: color.forPreview }"></div>
					</button>
				</div>
			</div>
		</FormFolder>

		<FormFolder :default-open="true" class="_formBlock">
			<template #label>{{ $ts.accentColor }}</template>
			<div class="cwepdizn-colors">
				<div class="row">
					<button v-for="color in accentColors" :key="color" class="color rounded _button" :class="{ active: theme.props.accent === color }" @click="setAccentColor(color)">
						<div class="preview" :style="{ background: color }"></div>
					</button>
				</div>
			</div>
		</FormFolder>

		<FormFolder :default-open="true" class="_formBlock">
			<template #label>{{ $ts.textColor }}</template>
			<div class="cwepdizn-colors">
				<div class="row">
					<button v-for="color in fgColors" :key="color" class="color char _button" :class="{ active: (theme.props.fg === color.forLight) || (theme.props.fg === color.forDark) }" @click="setFgColor(color)">
						<div class="preview" :style="{ color: color.forPreview ? color.forPreview : theme.base === 'light' ? '#5f5f5f' : '#dadada' }">A</div>
					</button>
				</div>
			</div>
		</FormFolder>

		<FormFolder :default-open="false" class="_formBlock">
			<template #icon><i class="fas fa-code"></i></template>
			<template #label>{{ $ts.editCode }}</template>

			<div class="_formRoot">
				<FormTextarea v-model="themeCode" tall class="_formBlock">
					<template #label>{{ $ts._theme.code }}</template>
				</FormTextarea>
				<FormButton primary class="_formBlock" @click="applyThemeCode">{{ $ts.apply }}</FormButton>
			</div>
		</FormFolder>

		<FormFolder :default-open="false" class="_formBlock">
			<template #label>{{ $ts.addDescription }}</template>

			<div class="_formRoot">
				<FormTextarea v-model="description">
					<template #label>{{ $ts._theme.description }}</template>
				</FormTextarea>
			</div>
		</FormFolder>
	</div>
</MkSpacer>
</template>

<script lang="ts">
import { defineComponent } from 'vue';
import { toUnicode } from 'punycode/';
import * as tinycolor from 'tinycolor2';
import { v4 as uuid} from 'uuid';
import * as JSON5 from 'json5';

import FormButton from '@/components/ui/button.vue';
import FormTextarea from '@/components/form/textarea.vue';
import FormFolder from '@/components/form/folder.vue';

import { Theme, applyTheme, darkTheme, lightTheme } from '@/scripts/theme';
import { host } from '@/config';
import * as os from '@/os';
import { ColdDeviceStorage } from '@/store';
import { addTheme } from '@/theme-store';
import * as symbols from '@/symbols';

export default defineComponent({
	components: {
		FormButton,
		FormTextarea,
		FormFolder,
	},

	async beforeRouteLeave(to, from) {
		if (this.changed && !(await this.leaveConfirm())) {
			return false;
		}
	},

	data() {
		return {
			[symbols.PAGE_INFO]: {
				title: this.$ts.themeEditor,
				icon: 'fas fa-palette',
				bg: 'var(--bg)',
				actions: [{
					asFullButton: true,
					icon: 'fas fa-eye',
					text: this.$ts.preview,
					handler: this.showPreview,
				}, {
					asFullButton: true,
					icon: 'fas fa-check',
					text: this.$ts.saveAs,
					handler: this.saveAs,
				}],
			},
			theme: {
				base: 'light',
				props: lightTheme.props
			} as Theme,
			description: null,
			themeCode: null,
			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: '#dce2e0', kind: 'light', forPreview: '#a4dccc' },
				{ color: '#e2e0dc', kind: 'light', forPreview: '#d8c7a5' },
				{ color: '#d5dbe0', kind: 'light', forPreview: '#b0cae0' },
				{ color: '#dad5d5', kind: 'light', forPreview: '#d6afaf' },
				{ color: '#2b2b2b', kind: 'dark', forPreview: '#444444' },
				{ color: '#362e29', kind: 'dark', forPreview: '#735c4d' },
				{ color: '#303629', kind: 'dark', forPreview: '#506d2f' },
				{ color: '#293436', kind: 'dark', forPreview: '#258192' },
				{ color: '#2e2936', kind: 'dark', forPreview: '#504069' },
				{ color: '#252722', kind: 'dark', forPreview: '#3c462f' },
				{ color: '#212525', kind: 'dark', forPreview: '#303e3e' },
				{ color: '#191919', kind: 'dark', forPreview: '#272727' },
			],
			accentColors: ['#e36749', '#f29924', '#98c934', '#34c9a9', '#34a1c9', '#606df7', '#8d34c9', '#e84d83'],
			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: '#7275d8' },
				{ color: 'pink', forLight: '#84667d', forDark: '#e4d1e0', forPreview: '#b12390' },
			],
			changed: false,
		}
	},

	created() {
		this.$watch('theme', this.apply, { deep: true });
		window.addEventListener('beforeunload', this.beforeunload);
	},

	beforeUnmount() {
		window.removeEventListener('beforeunload', this.beforeunload);
	},

	methods: {
		beforeunload(e: BeforeUnloadEvent) {
			if (this.changed) {
				e.preventDefault();
				e.returnValue = '';
			}
		},

		async leaveConfirm(): Promise<boolean> {
			const { canceled } = await os.confirm({
				type: 'warning',
				text: this.$ts.leaveConfirm,
			});
			return !canceled;
		},

		showPreview() {
			os.pageWindow('preview');
		},

		setBgColor(color) {
			if (this.theme.base != color.kind) {
				const base = color.kind === 'dark' ? darkTheme : lightTheme;
				for (const prop of Object.keys(base.props)) {
					if (prop === 'accent') continue;
					if (prop === 'fg') continue;
					this.theme.props[prop] = base.props[prop];
				}
			}
			this.theme.base = color.kind;
			this.theme.props.bg = color.color;

			if (this.theme.props.fg) {
				const matchedFgColor = this.fgColors.find(x => [tinycolor(x.forLight).toRgbString(), tinycolor(x.forDark).toRgbString()].includes(tinycolor(this.theme.props.fg).toRgbString()));
				if (matchedFgColor) this.setFgColor(matchedFgColor);
			}
		},

		setAccentColor(color) {
			this.theme.props.accent = color;
		},

		setFgColor(color) {
			this.theme.props.fg = this.theme.base === 'light' ? color.forLight : color.forDark;
		},

		apply() {
			this.themeCode = JSON5.stringify(this.theme, null, '\t');
			applyTheme(this.theme, false);
			this.changed = true;
		},

		applyThemeCode() {
			let parsed;

			try {
				parsed = JSON5.parse(this.themeCode);
			} catch (e) {
				os.alert({
					type: 'error',
					text: this.$ts._theme.invalid
				});
				return;
			}

			this.theme = parsed;
		},

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

			this.theme.id = uuid();
			this.theme.name = name;
			this.theme.author = `@${this.$i.username}@${toUnicode(host)}`;
			if (this.description) this.theme.desc = this.description;
			addTheme(this.theme);
			applyTheme(this.theme);
			if (this.$store.state.darkMode) {
				ColdDeviceStorage.set('darkTheme', this.theme);
			} else {
				ColdDeviceStorage.set('lightTheme', this.theme);
			}
			this.changed = false;
			os.alert({
				type: 'success',
				text: this.$t('_theme.installed', { name: this.theme.name })
			});
		}
	}
});
</script>

<style lang="scss" scoped>
.cwepdizn {
	::v-deep(.cwepdizn-colors) {
		text-align: center;

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

				> .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;
				}

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

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

				&.rounded {
					border-radius: 999px;

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

				&.char {
					line-height: 42px;
				}
			}
		}
	}
}
</style>