упорядочил папки с кодом.

src/Common/Passes/All/DeleteSelectedCompilationTasks.java

@@ -0,0 +1,46 @@
+package Common.Passes.All;
+import Common.Global;
+import Common.Utils.Utils;
+import GlobalData.Tasks.CompilationTask.CompilationTask;
+import GlobalData.Tasks.RunTask.RunTask;
+import Common.Passes.Pass_2021;
+
+import java.util.Vector;
+public class DeleteSelectedCompilationTasks extends Pass_2021<Vector<CompilationTask>> {
+    @Override
+    public String getIconPath() {
+        return "/icons/Delete.png";
+    }
+    @Override
+    public String getButtonText() {
+        return "";
+    }
+    @Override
+    protected boolean canStart(Object... args) throws Exception {
+        target = new Vector<>();
+        Global.db.compilationTasks.Data.values().stream().filter(task -> task.isVisible() && task.isSelected() && task.isPassive()).forEach(task -> target.add(task));
+        if (target.isEmpty()) {
+            Log.Writeln_("Не отмечено ни одной задачи для удаления.");
+            return false;
+        } else return true;
+    }
+    @Override
+    protected void showPreparation() throws Exception {
+        Global.db.compilationTasks.ClearUI();
+    }
+    @Override
+    protected void body() throws Exception {
+        for (CompilationTask task : target) {
+            for (RunTask runTask : task.getRunTasks().values()) {
+                Global.db.Delete(runTask);
+                Utils.forceDeleteWithCheck(runTask.getLocalWorkspace());
+            }
+            Global.db.Delete(task);
+            Utils.forceDeleteWithCheck(task.getLocalWorkspace());
+        }
+    }
+    @Override
+    protected void showFinish() throws Exception {
+        Global.db.compilationTasks.ShowUI();
+    }
+}