Add hidden property to GenericFile

Author: pcastornii

shellfx-storage/src/main/java/com/techsenger/shellfx/storage/AbstractDefaultFileStorage.java

@@ -259,6 +259,7 @@ private T createFile(Path path, BasicFileAttributes attrs, URI uri) {
         var file = fileFactory.create();
         file.setStorage(this);
         file.setName(path.getFileName().toString());
+        file.setHidden(isHidden(path));
         file.setUri(uri);
         file.setLastModified(attrs.lastModifiedTime().toMillis());
         if (attrs.isDirectory()) {
@@ -274,4 +275,12 @@ private T createFile(Path path, BasicFileAttributes attrs, URI uri) {
         file.setVirtual(false);
         return (T) file;
     }
+
+    private boolean isHidden(Path path) {
+        try {
+            return Files.isHidden(path);
+        } catch (IOException ex) {
+            return false;
+        }
+    }
 }

shellfx-storage/src/main/java/com/techsenger/shellfx/storage/DefaultGenericFile.java

@@ -51,6 +51,8 @@ public class DefaultGenericFile implements GenericFile {
 
     private @Nullable Long lastModified;
 
+    private boolean hidden;
+
     private boolean virtual;
 
     /**
@@ -90,6 +92,11 @@ public URI getUri() {
         return lastModified;
     }
 
+    @Override
+    public boolean isHidden() {
+        return hidden;
+    }
+
     @Override
     public boolean isVirtual() {
         return virtual;
@@ -196,6 +203,15 @@ protected void setLastModified(@Nullable Long lastModified) {
         this.lastModified = lastModified;
     }
 
+    /**
+     * Sets whether this entry is hidden.
+     *
+     * @param hidden {@code true} if this entry is hidden
+     */
+    protected void setHidden(boolean hidden) {
+        this.hidden = hidden;
+    }
+
     /**
      * Sets whether this entry is virtual.
      *

shellfx-storage/src/main/java/com/techsenger/shellfx/storage/GenericFile.java

@@ -81,9 +81,15 @@ public interface GenericFile {
      */
     @Nullable Long getLastModified();
 
+    /**
+     * Returns {@code true} if this entry is hidden, and {@code false} otherwise.
+     */
+    boolean isHidden();
+
     /**
      * Returns {@code true} if this entry is virtual, i.e. it was constructed programmatically without a corresponding
-     * real entry on the underlying storage.
+     * real entry on the underlying storage. As a result, virtual entries generally do not have all metadata
+     * (such as size, hidden status, etc.).
      *
      * <p>Virtual entries are used as placeholders — for example, a parent directory inferred from a child's URI, or a
      * root entry that does not physically exist on the backend.