Files
htwkalender/frontend/src/components/DarkModeSwitcher.vue
2024-04-04 21:58:45 +02:00

72 lines
2.1 KiB
Vue

<!--
Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
Copyright (C) 2024 HTWKalender support@htwkalender.de
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-->
<script lang="ts" setup>
import { ref, onMounted } from "vue";
import { usePrimeVue } from "primevue/config";
const PrimeVue = usePrimeVue();
const emit = defineEmits(["dark-mode-toggled"]);
const isDark = ref(true);
const darkTheme = ref("lara-dark-blue"),
lightTheme = ref("lara-light-blue");
function toggleTheme() {
isDark.value = !isDark.value;
setTheme(isDark.value);
}
function setTheme(shouldBeDark: boolean) {
isDark.value = shouldBeDark;
const newTheme = isDark.value ? darkTheme.value : lightTheme.value,
oldTheme = isDark.value ? lightTheme.value : darkTheme.value;
PrimeVue.changeTheme(oldTheme, newTheme, "theme-link", () => {});
emit("dark-mode-toggled", isDark.value);
}
onMounted(() => {
// set theme matching browser preference
setTheme(
window.matchMedia &&
window.matchMedia("(prefers-color-scheme: dark)").matches,
);
window
.matchMedia("(prefers-color-scheme: dark)")
.addEventListener("change", (e) => {
setTheme(e.matches);
});
});
</script>
<template>
<Button
id="dark-mode-switcher"
size="small"
class="p-button-rounded w-full md:w-auto"
style="margin-right: 1rem"
:severity="isDark ? 'warning' : 'success'"
@click="toggleTheme();"
>
<i v-if="isDark" class="pi pi-sun"></i>
<i v-else class="pi pi-moon"></i>
</Button>
</template>