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[MS] Implements Zoom control for TextViewer #9460

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merged 1 commit into from
Jan 30, 2025
Merged

[MS] Implements Zoom control for TextViewer #9460

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46 changes: 41 additions & 5 deletions client/src/views/viewers/TextViewer.vue
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Original file line number Diff line number Diff line change
@@ -1,31 +1,55 @@
<!-- Parsec Cloud (https://parsec.cloud) Copyright (c) BUSL-1.1 2016-present Scille SAS -->

<template>
<div
ref="container"
class="text-container"
/>
<file-viewer-wrapper>
<template #viewer>
<div
ref="container"
class="text-container"
/>
</template>
<template #controls>
<file-controls>
<file-controls-zoom
@change="onZoomLevelChange"
ref="zoomControl"
/>
</file-controls>
</template>
</file-viewer-wrapper>
</template>

<script setup lang="ts">
import { onMounted, ref } from 'vue';
import * as monaco from 'monaco-editor';
import { FileContentInfo } from '@/views/viewers/utils';
import { FileViewerWrapper } from '@/views/viewers';
import { FileControls, FileControlsZoom } from '@/components/viewers';

const props = defineProps<{
contentInfo: FileContentInfo;
}>();

const container = ref();
const editor = ref<monaco.editor.IStandaloneCodeEditor>();
const zoomControl = ref();
const zoomLevel = ref(1);

onMounted(async () => {
const text = new TextDecoder().decode(props.contentInfo.data);
monaco.editor.create(container.value, {
editor.value = monaco.editor.create(container.value, {
value: text,
readOnly: true,
fontSize: 16,
theme: 'vs-dark',
automaticLayout: true,
language: getLanguage(),
scrollbar: {
vertical: 'auto',
horizontal: 'auto',
},
});
updateEditorZoomLevel();
});

function getLanguage(): string | undefined {
Expand All @@ -37,6 +61,18 @@ function getLanguage(): string | undefined {
]);
return langs.get(props.contentInfo.extension);
}

function onZoomLevelChange(value: number): void {
zoomLevel.value = value / 100;
updateEditorZoomLevel();
}

function updateEditorZoomLevel(): void {
// Monaco editor use 'editorZoomLevelMultiplier = 1 + editorZoomLevel * 0.1' to calculate zoom level.
// Here we update the value we send to minimize the effect of the specific calculation.
const editorZoomLevel = (zoomLevel.value - 1) / 0.2;
monaco.editor.EditorZoom.setZoomLevel(editorZoomLevel);
}
</script>

<style scoped lang="scss">
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