support preview img,audio,video for FileDetail.vue

This commit is contained in:
Timi
2025-07-11 20:07:37 +08:00
parent 54b2d27b81
commit d885beb56d
4 changed files with 427 additions and 224 deletions

View File

@ -0,0 +1,362 @@
<template>
<div class="file-viewer diselect">
<t-tabs
class="tabs"
theme="card"
v-model="filePath"
:onRemove="onTabRemove"
>
<t-tab-panel
v-for="file in files"
:key="file.path"
:value="file.path"
:label="file.name"
:removable="file.removable"
@click="file.isPreview = false"
>
<template #label>
<span
v-text="file.name"
@click="file.isPreview = false"
></span>
</template>
</t-tab-panel>
</t-tabs>
<div v-if="file" :class="`viewer ${clazz}`" @click="file.isPreview = false">
<loading class="loading" :showOn="isLoading" />
<div
v-if="file.viewerType === FileViewerType.NOT_SUPPORT"
class="not-support"
>
<p class="tips">此文件不支持预览</p>
<t-button
v-if="file.rawFile.size < IOSize.MB"
@click="previewAsText"
>尝试以文本文件解析预览</t-button>
</div>
<markdown-view
v-if="file.viewerType === FileViewerType.MARKDOWN || file.viewerType === FileViewerType.CODE"
class="content selectable"
:show-code-border="false"
max-height="auto"
:content="file.data"
/>
<div
v-if="file.viewerType === FileViewerType.TEXT"
class="container selectable"
>
<div class="value" v-text="file.data"></div>
</div>
<div class="container">
<component
:is="mediaComponent"
class="value"
v-if="mediaComponent && file.rawURL"
:src="file.rawURL"
:controls="true"
/>
</div>
</div>
</div>
</template>
<script setup lang="ts">
import { IOSize, Loading, MarkdownView, Prismjs, PrismjsViewer, Toolkit } from "timi-web";
import { File, FileType, FileViewerType, OpenFile } from "@/types/Repository.ts";
import RepositoryAPI from "@/api/RepositoryAPI.ts";
defineOptions({
name: "FileViewer"
});
const props = withDefaults(defineProps<{
repoName: string;
branch: string;
}>(), {
});
const { repoName, branch } = toRefs(props);
const isLoading = ref<boolean>(false);
const files = ref<OpenFile[]>([]);
const file = ref<OpenFile>();
const filePath = ref<string>();
watch(file, file => filePath.value = file?.path);
const clazz = computed(() => {
if (file.value && file.value.viewerType) {
return Toolkit.className(file.value.viewerType.toString().toLowerCase());
}
return "";
});
// ---------- 切换分支 ----------
watch(branch, () => {
files.value = [];
file.value = undefined;
});
// ---------- 打开文件 ----------
function openFile(treeFile: File) {
if (treeFile.type === FileType.FILE) {
// 已打开该文件
let opened = files.value.find(item => item.path === treeFile.path);
const isReadme = treeFile.path === "README.md";
if (!opened) {
opened = {
path: treeFile.path,
name: treeFile.name,
rawURL: RepositoryAPI.fileRawURL(repoName.value, branch.value, `/${treeFile.path}`),
rawFile: treeFile,
isPreview: !isReadme,
removable: !isReadme
} as OpenFile;
// 如果存在已打开预览,则替换该预览项
const previewIndex = files.value.findIndex(item => item.isPreview);
if (previewIndex === -1) {
files.value.push(opened);
} else {
files.value.splice(previewIndex, 1, opened);
}
}
opened.activatedAt = new Date().getTime();
file.value = opened;
}
}
defineExpose({
openFile
});
// ---------- 切换文件 ----------
// 从 tab 切换文件
watch(filePath, value => {
if (filePath.value) {
const targetFile = files.value.find(item => item.path === value);
if (targetFile) {
targetFile.activatedAt = new Date().getTime();
file.value = targetFile;
return;
}
}
file.value = undefined;
});
watch(file, async () => {
if (file.value) {
if (!file.value.mimeType) {
isLoading.value = true;
// 获取 Mime-Type
file.value.mimeType = await RepositoryAPI.fileMimeType(repoName.value, branch.value, `/${file.value.path}`);
}
file.value.prismjsType = file.value.prismjsType ?? Prismjs.typeFromFileName(file.value.name);
if (file.value.prismjsType) {
if (!file.value.raw) {
isLoading.value = true;
file.value.raw = await RepositoryAPI.fileRawByURL(file.value.rawURL);
}
// 解码为文本
const properties = Prismjs.getFileProperties(file.value.prismjsType);
if (properties) {
if (!file.value.data) {
isLoading.value = true;
const data = new TextDecoder("utf-8").decode(file.value.raw);
if (properties.viewer === PrismjsViewer.CODE) {
file.value.data = Toolkit.format("```${type}\n${data}\n```", {
type: properties.prismjs,
data
});
} else {
file.value.data = data;
}
}
if (properties.viewer === PrismjsViewer.MARKDOWN) {
file.value.viewerType = FileViewerType.MARKDOWN;
} else if (properties.viewer === PrismjsViewer.CODE) {
file.value.viewerType = FileViewerType.CODE;
} else {
file.value.viewerType = FileViewerType.TEXT;
}
}
} else {
if (!file.value.viewerType) {
if (file.value.mimeType) {
switch (true) {
case file.value.mimeType.startsWith("image/"):
file.value.viewerType = FileViewerType.IMAGE;
break;
case file.value.mimeType.startsWith("audio/"):
file.value.viewerType = FileViewerType.AUDIO;
break;
case file.value.mimeType.startsWith("video/"):
file.value.viewerType = FileViewerType.VIDEO;
break;
case file.value.mimeType.startsWith("text/"):
file.value.viewerType = FileViewerType.TEXT;
if (!file.value.data) {
if (!file.value.raw) {
isLoading.value = true;
file.value.raw = await RepositoryAPI.fileRawByURL(file.value.rawURL);
}
file.value.data = new TextDecoder("utf-8").decode(file.value.raw);
}
break;
default:
file.value.viewerType = FileViewerType.NOT_SUPPORT;
}
} else {
file.value.viewerType = FileViewerType.NOT_SUPPORT;
}
}
}
isLoading.value = false;
}
});
// ---------- 关闭文件 ----------
const onTabRemove = (options: { index: number }) => {
files.value.splice(options.index, 1);
if (0 < files.value.length) {
file.value = files.value[files.value.length - 1];
} else {
file.value = undefined;
}
};
// ---------- 尝试以文本文件解码预览 ----------
async function previewAsText() {
if (file.value) {
// 解码为文本
if (!file.value.data) {
if (!file.value.raw) {
file.value.raw = await RepositoryAPI.fileRawByURL(file.value.rawURL);
}
file.value.data = new TextDecoder("utf-8").decode(file.value.raw);
}
file.value.viewerType = FileViewerType.TEXT;
}
}
// ---------- 媒体文件 ----------
const mediaComponent = computed(() => {
if (file.value) {
switch (file.value.viewerType) {
case FileViewerType.IMAGE:
return "img";
case FileViewerType.VIDEO:
return FileViewerType.VIDEO.toString().toLowerCase();
case FileViewerType.AUDIO:
return FileViewerType.AUDIO.toString().toLowerCase();
}
}
return undefined;
});
</script>
<style scoped lang="less">
.file-viewer {
height: 100%;
.tabs {
top: calc(50px + 49px + 30px);
position: sticky;
z-index: 9;
border-top: var(--tui-border);
border-bottom: var(--tui-border);
}
.viewer {
height: calc(100% - 33px);
&.text {
.container {
width: calc(100% - 8px);
min-height: calc(100% - 4px);
padding: 2px 4px;
overflow: auto;
.value {
font-size: 14px;
white-space: pre;
}
}
}
&.code {
:deep(.tui-markdown-view) {
height: 100%;
position: relative;
&::before {
content: "";
top: 0;
left: 0;
width: 3em;
height: 100%;
position: absolute;
background: rgba(242, 242, 242, .9);
border-right: 1px solid #999;
}
pre[class^="language-"] {
height: 100%;
}
}
:deep(pre[class*="language-"]) {
margin: 0;
border: none;
}
}
&.markdown {
height: 100%;
padding: .5rem 1rem;
}
&.image,
&.audio,
&.video {
.container {
height: 100%;
display: flex;
align-items: center;
justify-content: center;
audio {
width: 40rem;
margin: 0 2rem;
}
video {
width: 100%;
height: 100%;
max-height: 60vh;
object-fit: contain;
background: #000;
}
.value {
max-width: 100%;
}
}
}
.loading {
margin-top: 2rem;
}
.not-support {
text-align: center;
}
}
}
</style>