Feat: FileManager (#98) (#703)

* feat: add file manager module

- Complete file manager implementation with UI/UX
- Add drive management functionality
- Add file upload/download with progress tracking
- Add stamp integration and handling
- Add bulk operations and context menus

Co-authored-by: Roland Seres <roland.seres90@gmail.com>
Co-authored-by: nidishk <nidishkrishnan45@gmail.com>

src/modules/filemanager/components/RenameFileModal/RenameFileModal.tsx

@@ -0,0 +1,143 @@
+import { ReactElement, useEffect, useMemo, useRef, useState } from 'react'
+import '../../styles/global.scss'
+import './RenameFileModal.scss'
+
+import { Button } from '../Button/Button'
+import EditIcon from 'remixicon-react/EditLineIcon'
+import { createPortal } from 'react-dom'
+import { safeSetState } from '../../utils/common'
+
+interface RenameFileModalProps {
+  currentName: string
+  takenNames?: Set<string> | string[]
+  onCancelClick: () => void
+  onProceed: (newName: string) => void | Promise<void>
+}
+
+export function RenameFileModal({
+  currentName,
+  takenNames,
+  onCancelClick,
+  onProceed,
+}: RenameFileModalProps): ReactElement {
+  const [value, setValue] = useState(currentName)
+  const [touched, setTouched] = useState(false)
+  const [submitting, setSubmitting] = useState(false)
+  const inputRef = useRef<HTMLInputElement | null>(null)
+
+  const isMountedRef = useRef(true)
+
+  useEffect(() => {
+    isMountedRef.current = true
+
+    return () => {
+      isMountedRef.current = false
+    }
+  }, [])
+
+  useEffect(() => {
+    const t = setTimeout(() => inputRef.current?.focus(), 0)
+
+    return () => clearTimeout(t)
+  }, [])
+
+  const taken = useMemo(() => {
+    if (!takenNames) return new Set<string>()
+
+    return Array.isArray(takenNames) ? new Set(takenNames) : takenNames
+  }, [takenNames])
+
+  const trimmed = useMemo(() => value.trim(), [value])
+
+  const error = useMemo(() => {
+    if (!touched) return ''
+
+    if (!trimmed) return 'Name is required.'
+
+    if (trimmed === currentName) return 'Enter a different name.'
+
+    if (/[\\/:*?"<>|]+/.test(trimmed)) return 'Name contains invalid characters.'
+
+    if (taken.has(trimmed)) return 'A different file already uses this name. Please choose another.'
+
+    return ''
+  }, [touched, trimmed, currentName, taken])
+
+  const canSubmit =
+    trimmed.length > 0 && trimmed !== currentName && !/[\\/:*?"<>|]+/.test(trimmed) && !taken.has(trimmed)
+
+  const handleSubmit = async () => {
+    if (!canSubmit || submitting) {
+      setTouched(true)
+
+      return
+    }
+    try {
+      setSubmitting(true)
+      await onProceed(trimmed)
+    } finally {
+      safeSetState(isMountedRef, setSubmitting)(false)
+    }
+  }
+
+  const onKeyDown: React.KeyboardEventHandler<HTMLInputElement> = e => {
+    if (e.key === 'Enter') {
+      e.preventDefault()
+      void handleSubmit()
+    } else if (e.key === 'Escape') {
+      e.preventDefault()
+      onCancelClick()
+    }
+  }
+
+  const modalRoot = (document.querySelector('.fm-main') as HTMLElement) || document.body
+
+  return createPortal(
+    <div className="fm-modal-container fm-rename-modal">
+      <div className="fm-modal-window">
+        <div className="fm-modal-window-header">
+          <EditIcon size="21px" />
+          <span className="fm-main-font-color">Rename file</span>
+        </div>
+
+        <div className="fm-modal-window-body">
+          <div className="fm-modal-white-section">
+            <label htmlFor="fm-rename-input" className="fm-soft-text" style={{ display: 'block', marginBottom: 8 }}>
+              New name
+            </label>
+            <input
+              id="fm-rename-input"
+              ref={inputRef}
+              type="text"
+              className="fm-input fm-rename-input"
+              value={value}
+              onChange={e => setValue(e.target.value)}
+              onBlur={() => setTouched(true)}
+              onKeyDown={onKeyDown}
+              placeholder="Enter a new file name"
+            />
+            {error && (
+              <div className="fm-error-text" style={{ marginTop: 8 }}>
+                {error}
+              </div>
+            )}
+            <div className="fm-soft-text" style={{ marginTop: 10, fontSize: 12 }}>
+              This creates a new version that only changes metadata (no re-upload).
+            </div>
+          </div>
+        </div>
+
+        <div className="fm-modal-window-footer fm-space-between">
+          <Button label="Cancel" variant="secondary" onClick={onCancelClick} />
+          <Button
+            label="Rename"
+            variant="primary"
+            onClick={() => void handleSubmit()}
+            disabled={!canSubmit || submitting}
+          />
+        </div>
+      </div>
+    </div>,
+    modalRoot,
+  )
+}