/* ── File Manager Module ── */
window.FilesModule = {
currentPath: '',
contextTarget: null,
toDelete: null,
pickerMode: false,
pickerCallback: null,
init: function() {
var self = this;
var params = new URLSearchParams(window.location.search);
if (params.get('picker') === '1') {
self.pickerMode = true;
self.pickerMode = params.get('mode') || 'dir';
self.pickerCallback = params.get('cb') || null;
}
window.addEventListener('message', function(e) {
try {
var d = JSON.parse(e.data);
if (d.action === 'fm-picker-open') {
self.pickerMode = true;
self.pickerMode = d.mode || 'dir';
self.pickerCallback = d.callback_id || null;
self.refresh();
}
} catch(ex) {}
});
// Path input: Enter to jump
var input = FilesModule._$('fm-path-input');
input.onkeydown = function(e) {
if (e.key === 'Enter') {
var p = input.value.trim();
if (p) self._jumpTo(p);
}
};
self.refresh();
},
/* ── API helpers ── */
_apiBase: '',
_scope: null,
_$: function(id){ return this._scope ? this._scope.querySelector('#'+id) : document.getElementById(id); },
_apiUrl: function(path) {
// Use explicit base if set (standalone/iframe mode), otherwise relative
if (this._apiBase) return this._apiBase + '/api/files' + path;
return './api/files' + path;
},
_api: function(url, opts) {
opts = opts || {};
opts.credentials = 'include';
return fetch(url, opts).then(function(r) {
if (!r.ok) throw new Error(r.status + ' ' + r.statusText);
return r.json();
});
},
_get: function(url) { return this._api(this._apiUrl(url)); },
_post: function(url, body) {
return this._api(this._apiUrl(url), {method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify(body)});
},
/* ── Jump to path (with existence check) ── */
_jumpTo: function(path) {
var self = this;
// Probe: try to list the target path
this._get('/info?path=' + encodeURIComponent(path))
.then(function(info) {
if (info.error) { self._pathError(info.error); return; }
if (info.is_dir) {
self.currentPath = info.path;
self.refresh();
} else {
self._pathError('路径是文件，不是目录');
}
}).catch(function(e) {
self._pathError('目录不存在或无权限访问: ' + path);
});
},
_pathError: function(msg) {
var list = FilesModule._$('fm-list');
list.innerHTML = '' +
'⚠ ' + this._esc(msg) + '
';
// Still update the input and breadcrumb to show what was attempted
FilesModule._$('fm-breadcrumb').innerHTML =
'' + this._esc(msg) + ' ';
},
navigate: function(path) {
this.currentPath = path || '';
this.refresh();
},
refresh: function() {
var self = this;
var showHidden = FilesModule._$('fm-hidden')?.checked ? '1' : '0';
self._get('/list?path=' + encodeURIComponent(self.currentPath) + '&show_hidden=' + showHidden)
.then(function(d) {
self._render(d);
}).catch(function(e) {
FilesModule._$('fm-list').innerHTML =
'加载失败: ' + self._esc(e.message) + '
';
});
},
/* ── Render ── */
_render: function(d) {
var self = this;
self.currentPath = d.current || '';
// Update editable path input
var input = FilesModule._$('fm-path-input');
input.value = self.currentPath;
// Breadcrumbs (logical path)
var bc = FilesModule._$('fm-breadcrumb');
var html = self._buildBreadcrumbHTML(d.breadcrumbs);
// Resolved breadcrumbs — show as second row when symlink redirect
if (d.resolved_breadcrumbs) {
html += '' +
'↳ ' +
self._buildBreadcrumbHTML(d.resolved_breadcrumbs) + '
';
}
bc.innerHTML = html;
bc.querySelectorAll('.fm-crumb').forEach(function(el) {
el.onclick = function() { self.navigate(this.dataset.path); };
});
// File list
var list = FilesModule._$('fm-list');
var rows = '';
// ".." row for parent (unless at filesystem root)
if (d.parent && d.parent !== d.current) {
rows += '' +
'
' +
'
.. ' +
'
' +
'
' +
'
' +
'
' +
'
' + self._esc(item.name) + ' ' +
'
— ' +
'
— ' +
'' + icon + ' ' +
'' + self._esc(item.name) + ' ' +
'' + sizeStr + ' ' +
'' + (item.mtime_str || '') + ' ' +
'
';
});
}
if (!rows) {
list.innerHTML = '空目录
';
} else {
list.innerHTML = rows;
}
// Row click handlers
list.querySelectorAll('.fm-row').forEach(function(row) {
row.onclick = function(e) {
var p = this.dataset.path;
var isDir = this.dataset.isDir === '1';
if (isDir) {
self.navigate(p);
} else if (self.pickerMode) {
self._pickResult(p);
}
};
row.oncontextmenu = function(e) {
e.preventDefault();
self._showContext(e, {
path: this.dataset.path,
isDir: this.dataset.isDir === '1',
name: this.querySelector('.fm-name').textContent
});
};
});
// Close context on outside click
document.onclick = function() {
FilesModule._$('fm-context').style.display = 'none';
};
// Picker banner — at bottom
if (self.pickerMode) {
var banner = FilesModule._$('fm-picker-banner');
if (!banner) {
banner = document.createElement('div');
banner.id = 'fm-picker-banner';
banner.innerHTML = '' +
'
' +
'
选择当前目录 ' +
'
取消 ' +
'
' + this._esc(c.label) + ' ';
if (i < crumbs.length - 1) h += '▸ ';
}
return h;
},
_esc: function(s) {
return String(s).replace(/&/g,'&').replace(//g,'>');
},
_escAttr: function(s) {
return String(s).replace(/&/g,'&').replace(/"/g,'"').replace(//g,'>');
},
_fmtSize: function(bytes) {
if (bytes === null || bytes === undefined) return '—';
if (bytes < 1024) return bytes + ' B';
if (bytes < 1048576) return (bytes / 1024).toFixed(1) + ' KB';
if (bytes < 1073741824) return (bytes / 1048576).toFixed(1) + ' MB';
return (bytes / 1073741824).toFixed(2) + ' GB';
},
_dirIcon: function() {
return '