упорядочил папки с кодом.

src/Common/Passes/All/DeleteSelectedFiles.java

@@ -0,0 +1,53 @@
+package Common.Passes.All;
+import Common.Current;
+import Common.UI.UI;
+import Common.Utils.Utils;
+import ProjectData.Files.DBProjectFile;
+import Common.Passes.PassCode_2021;
+import Common.Passes.Pass_2021;
+public class DeleteSelectedFiles extends Pass_2021 {
+    @Override
+    public String getIconPath() {
+        return "/icons/Delete.png";
+    }
+    @Override
+    protected boolean canStart(Object... args) throws Exception {
+        if (Current.getProject().db.files.getCheckedCount() == 0) {
+            Log.Writeln_("Не отмечено ни одного файла.");
+            return false;
+        }
+        return UI.Warning("Удалить " + Current.getProject().db.files.getCheckedCount() + " файлов.");
+    }
+    @Override
+    protected void performPreparation() throws Exception {
+        boolean hasCurrent = false;
+        boolean hasSelected = false;
+        if (Current.HasFile()) {
+            for (DBProjectFile file : Current.getProject().db.files.getCheckedItems()) {
+                if (Current.getFile().file.equals(file.file))
+                    hasCurrent = true;
+                if (Current.getSelectedFile().file.equals(file.file))
+                    hasSelected = true;
+            }
+        }
+        if (hasCurrent)
+            passes.get(PassCode_2021.CloseCurrentFile).Do();
+        if (hasSelected) {
+            Current.set(Current.SelectedFile, null);
+            Current.set(Current.ProjectNode, null);
+        }
+    }
+    @Override
+    protected boolean needsAnimation() {
+        return true;
+    }
+    @Override
+    protected void body() throws Exception {
+        for (DBProjectFile file : Current.getProject().db.files.getCheckedItems()) {
+            ShowMessage1(file.name);
+            UI.getMainWindow().getProjectWindow().getFilesTreeForm().getTree().RemoveNode(file.node);
+            Current.getProject().db.Delete(file);
+            Utils.forceDeleteWithCheck(file.file);
+        }
+    }
+}