упорядочил папки с кодом.

src/Common/Passes/All/DeleteFile.java

@@ -0,0 +1,36 @@
+package Common.Passes.All;
+import Common.Current;
+import Common.UI.UI;
+import Common.Utils.Utils;
+import ProjectData.Files.DBProjectFile;
+import Common.Passes.ChangeFilePass;
+import Common.Passes.PassCode_2021;
+public class DeleteFile extends ChangeFilePass<DBProjectFile> {
+    @Override
+    public String getIconPath() {
+        return "/icons/Delete.png";
+    }
+    @Override
+    protected boolean canStart(Object... args) {
+        resetArgs();
+        return (Current.Check(Log, Current.SelectedFile)) &&
+                UI.Warning("Удалить файл "
+                        + Utils.Brackets((target = Current.getSelectedFile()).name));
+    }
+    @Override
+    protected void performPreparation() throws Exception {
+        if (Current.HasFile() && (Current.getFile().file.equals(target.file)))
+            passes.get(PassCode_2021.CloseCurrentFile).Do();
+    }
+    @Override
+    protected void body() throws Exception {
+        UI.getMainWindow().getProjectWindow().getFilesTreeForm().getTree().RemoveNode(target.node);
+        project.db.Delete(target);
+        Utils.forceDeleteWithCheck(target.file);
+    }
+    @Override
+    protected void performDone() throws Exception {
+        Current.set(Current.SelectedFile, null);
+        Current.set(Current.ProjectNode, null);
+    }
+}