feat: improve preview and navigation
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@@ -44,11 +44,11 @@ button.ghost{background:var(--surface2);color:var(--text)}button.danger{backgrou
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</main><div id="context" class="context"></div>
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<div class="modal" id="modal"><div class="dialog" id="dialog"></div></div>
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<script>
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const $=id=>document.getElementById(id);let current="",me=null,currentMask="";
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const $=id=>document.getElementById(id);let current="",me=null,currentMask="",navigationRoot="";
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async function api(url,opt={}){const r=await fetch(url,opt);if(!r.ok){let t="请求失败";try{t=(await r.json()).error||t}catch{};throw Error(t)}return r.status===204?null:r.json()}
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function esc(s){return String(s).replace(/[&<>"']/g,c=>({"&":"&","<":"<",">":">","\"":""","'":"'"}[c]))}
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function fmt(n){if(n<1024)return n+" B";if(n<1048576)return (n/1024).toFixed(1)+" KB";if(n<1073741824)return (n/1048576).toFixed(1)+" MB";return (n/1073741824).toFixed(1)+" GB"}
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async function init(){try{me=await api("/chfs/me")}catch{me={username:"",home:"",admin:false}};updateUser();current=me.home||"";const h=new URLSearchParams(location.hash.slice(1));const shared=h.get("folder");if(shared!==null)current=shared;await refresh()}
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async function init(){try{me=await api("/chfs/me")}catch{me={username:"",home:"",admin:false}};updateUser();current=me.home||"";navigationRoot=me.home||"";const h=new URLSearchParams(location.hash.slice(1));const shared=h.get("folder");if(shared!==null)current=shared;await refresh()}
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function updateUser(){$("who").textContent=me.username?me.username: "访客";$("loginBtn").hidden=!!me.username;$("logoutBtn").hidden=!me.username;$("usersBtn").hidden=!me.admin;$("pwdBtn").hidden=!me.username||!me.managed}
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async function refresh(){try{const q=encodeURIComponent(current);const data=await api("/chfs/files?filepath="+q);currentMask=data.currentMask||"";const writable=currentMask.includes("W");$("newFolderBtn").disabled=!writable;$("newTextBtn").disabled=!writable;$("uploadBtn").disabled=!writable;$("search").disabled=!data.currentMask?.includes("R");render(data.files||[]);$("crumb").textContent="/"+current;$("notice").innerHTML=""}catch(e){$("notice").innerHTML='<div class="notice">'+esc(e.message)+"</div>"}}
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function fileType(f){const n=f.name.toLowerCase();if(f.dir)return "folder";if(/\.(png|jpe?g|gif|webp|bmp|svg)$/.test(n))return "image";if(/\.(mp4|webm|mov|mkv)$/.test(n))return "video";if(/\.(mp3|wav|flac|m4a|ogg)$/.test(n))return "audio";if(/\.(pdf)$/.test(n))return "pdf";return "file"}
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@@ -69,8 +69,8 @@ addEventListener('click',e=>{if(!e.target.closest('#context')&&!e.target.closest
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function bulkDownload(){if(!selected.size)return;const q=[...selected].map(p=>'path='+encodeURIComponent(p)).join('&');location.href='/chfs/downloadzip?'+q}
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async function bulkDelete(){if(!selected.size)return;if(!await confirmBox("批量删除","确定删除已选择的 "+selected.size+" 项?"))return;for(const p of [...selected]){try{await api('/chfs/rmfiles',{method:'POST',headers:{'Content-Type':'application/x-www-form-urlencoded'},body:new URLSearchParams({filepath:p})})}catch(e){alert(p+': '+e.message)}}selected.clear();refresh()}
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async function showRoots(){try{const d=await api("/chfs/roots");const roots=d.roots||[];let html='<h2>选择位置</h2><div>';for(const r of roots)html+='<button class="ghost" style="display:block;width:100%;text-align:left;margin:8px 0" onclick="jumpRoot('+JSON.stringify(r.path)+')"><b>'+esc(r.name)+'</b><span class="meta"> · '+esc(r.path||"/")+' · '+esc(r.mask)+'</span></button>';if(!roots.length)html+='<div class="empty">没有可进入的共享位置</div>';html+='</div><div class="row"><button class="ghost" onclick="closeModal()">关闭</button></div>';show(html)}catch(e){alert(e.message)}}
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function jumpRoot(p){current=p;closeModal();refresh()}
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function openDir(p){current=p;refresh()}function goUp(){if(!current)return;const root=me.home||"";if(current===root)return;let p=current.split("/");p.pop();let n=p.join("/");if(root&&!(n===root||n.startsWith(root+"/")))n=root;current=n;refresh()}
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function jumpRoot(p){current=p;navigationRoot=p;closeModal();refresh()}
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function openDir(p){current=p;refresh()}function goUp(){if(!current||current===navigationRoot)return;let p=current.split("/");p.pop();let n=p.join("/");if(navigationRoot&&!(n===navigationRoot||n.startsWith(navigationRoot+"/")))n=navigationRoot;current=n;refresh()}
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function downloadFile(p){location.href="/chfs/shared/"+encodeURIComponent(p).replace(/%2F/g,"/")}
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function downloadDir(p){location.href="/chfs/downloaddir/"+encodeURI(p)}
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async function shareItem(p){const url=new URL("/chfs/shared/"+encodeURI(p),location.href).href;try{await navigator.clipboard.writeText(url);alert("分享链接已复制")}catch{show("<h2>分享链接</h2><div class=\"field\"><input id=\"shareUrl\" value=\""+esc(url)+"\" readonly></div><div class=\"row\"><button class=\"ghost\" onclick=\"closeModal()\">关闭</button><button onclick=\"navigator.clipboard.writeText($(\"shareUrl\").value);closeModal()\">复制</button></div>")}}
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@@ -84,8 +84,10 @@ function showMobileTransfer(){const u=new URL(location.href);u.hash='folder='+en
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function setupDropZone(){const z=$("dropZone"),main=$("fileCard");let depth=0;[document,main].forEach(el=>{el.addEventListener('dragenter',e=>{if(!e.dataTransfer?.types.includes('Files'))return;e.preventDefault();depth++;z.style.display='block';z.classList.add('drop-active')});el.addEventListener('dragover',e=>{if(e.dataTransfer?.types.includes('Files'))e.preventDefault()});el.addEventListener('dragleave',e=>{if(!e.dataTransfer?.types.includes('Files'))return;depth--;if(depth<=0){depth=0;z.classList.remove('drop-active')}});el.addEventListener('drop',async e=>{if(!e.dataTransfer?.files?.length)return;e.preventDefault();depth=0;z.classList.remove('drop-active');z.style.display='none';await uploadFiles(e.dataTransfer.files)})})}
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function uploadOne(file,row){return new Promise(resolve=>{const xhr=new XMLHttpRequest(),fd=new FormData();fd.append("folder",current);fd.append("file",file);const meta=row.querySelector('.meta'),bar=row.querySelector('i');xhr.open('POST','/chfs/upload');xhr.upload.onprogress=e=>{if(e.lengthComputable){const pct=Math.round(e.loaded/e.total*100);bar.style.width=pct+'%';meta.textContent=fmt(file.size)+' · '+pct+'%'}};xhr.onload=()=>{if(xhr.status>=200&&xhr.status<300){bar.style.width='100%';meta.textContent=fmt(file.size)+' · 完成'}else{meta.textContent='上传失败';bar.style.width='0'}};xhr.onerror=()=>{meta.textContent='网络错误';bar.style.width='0'};xhr.onloadend=resolve;xhr.send(fd)})}
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$("search").addEventListener("keydown",async e=>{if(e.key!=="Enter")return;const s=e.target.value.trim();if(!s){refresh();return}try{const d=await api("/chfs/search?str="+encodeURIComponent(s));renderSearch(d.files||[])}catch(x){alert(x.message)}})
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function renderSearch(items){$("crumb").textContent="搜索结果";const body=$("files");body.innerHTML="";for(const f of items){const row=document.createElement("tr");row.innerHTML='<td><div class="name">🔎 <a href="#" onclick="openDir('+JSON.stringify(f.dir?f.path:f.path.split("/").slice(0,-1).join("/")).replace(/^"/,'\\"')+');return false">'+esc(f.path)+'</a></div></td><td class="meta">'+(f.dir?"—":fmt(f.size))+'</td><td class="meta">'+esc(f.modified||"")+'</td><td></td>';body.appendChild(row)}}
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function previewFile(p){const n=p.split('/').pop(),ext=n.toLowerCase().split('.').pop(),url='/chfs/shared/'+encodeURI(p),media=['mp4','webm','mov','mkv'].includes(ext),audio=['mp3','wav','flac','m4a','ogg'].includes(ext),image=['png','jpg','jpeg','gif','webp','bmp','svg'].includes(ext),pdf=ext==='pdf';let body='';if(image)body='<img src="'+url+'" style="max-width:100%;max-height:65vh;object-fit:contain">';else if(media)body='<video controls autoplay style="width:100%;max-height:65vh"><source src="'+url+'"></video>';else if(audio)body='<audio controls autoplay style="width:100%"><source src="'+url+'"></audio>';else if(pdf)body='<iframe src="'+url+'" style="width:100%;height:65vh;border:0"></iframe>';else body='<div class="empty">暂不支持该文件类型的在线预览<br><button onclick="location.href='+JSON.stringify(url)+'">下载文件</button></div>';show('<h2 style="word-break:break-all">'+esc(n)+'</h2><div>'+body+'</div><div class="row"><button class="ghost" onclick="closeModal()">关闭</button></div>')}
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function renderSearch(items){$("crumb").textContent="搜索结果";$("files").parentElement.hidden=false;$("grid").hidden=true;const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=f.path,canRead=true;return '<tr><td><input class="selectbox" type="checkbox" disabled></td><td><div class="name">'+iconFor(f)+' <a href="#" onclick="openSearchResult('+JSON.stringify(f)+');return false">'+esc(f.path)+'</a></div></td><td class="meta">'+(f.dir?"—":fmt(f.size))+'</td><td class="meta">'+esc(f.modified||"")+'</td><td></td></tr>'}).join(""): '<tr><td colspan="5" class="empty">没有找到匹配文件</td></tr>'}
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function openSearchResult(f){if(f.dir){current=f.path;navigationRoot=me.home||"";refresh()}else previewFile(f.path)}
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async function previewFile(p){const n=p.split('/').pop(),ext=n.toLowerCase().split('.').pop(),url='/chfs/shared/'+encodeURI(p),media=['mp4','webm','mov','mkv'].includes(ext),audio=['mp3','wav','flac','m4a','ogg'].includes(ext),image=['png','jpg','jpeg','gif','webp','bmp','svg'].includes(ext),pdf=ext==='pdf',text=['txt','md','markdown','json','yaml','yml','xml','csv','log','js','ts','jsx','tsx','css','scss','html','htm','go','rs','py','java','c','cpp','h','hpp','sh','sql','toml','ini','conf'].includes(ext);let body='';if(image)body='<img src="'+url+'" style="max-width:100%;max-height:65vh;object-fit:contain">';else if(media)body='<video controls autoplay style="width:100%;max-height:65vh;border-radius:10px"><source src="'+url+'"></video>';else if(audio)body='<audio controls autoplay style="width:100%"><source src="'+url+'"></audio>';else if(pdf)body='<iframe src="'+url+'" style="width:100%;height:65vh;border:0"></iframe>';else if(text){try{const r=await fetch(url);if(!r.ok)throw Error();const t=await r.text();body='<pre style="max-height:65vh;overflow:auto;text-align:left;white-space:pre-wrap;background:var(--surface2);padding:14px;border-radius:10px;font:13px/1.55 ui-monospace,SFMono-Regular,monospace">'+esc(t)+'</pre>'}catch{body='<div class="empty">无法读取文本内容</div>'}}else body='<div class="empty">暂不支持该文件类型的在线预览<br><button onclick="location.href='+JSON.stringify(url)+'">下载文件</button></div>';show('<h2 style="word-break:break-all">'+esc(n)+'</h2><div>'+body+'</div><div class="row"><button class="ghost" onclick="closeModal()">关闭</button></div>')}
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function changePassword(){show('<h2>修改密码</h2><div class="field"><input id="cp" type="password" placeholder="当前密码"><input id="npw" type="password" placeholder="新密码"></div><div class="row"><button class="ghost" onclick="closeModal()">取消</button><button onclick="savePassword()">保存</button></div>')}
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async function savePassword(){try{await api("/chfs/password",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({currentPassword:$("cp").value,password:$("npw").value})});alert("密码已更新");closeModal()}catch(e){alert(e.message)}}
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function openLogin(){show('<h2>登录</h2><div class="field"><label>用户名</label><input id="u" autocomplete="username"></div><div class="field"><label>密码</label><input id="p" type="password" autocomplete="current-password"></div><div class="row"><button class="ghost" onclick="closeModal()">取消</button><button onclick="login()">登录</button></div>')}
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