package org.example.democatalog.application.handlers; import org.eclipse.e4.core.di.annotations.CanExecute; import org.eclipse.e4.core.di.annotations.Execute; import org.eclipse.e4.ui.workbench.modeling.EPartService; public class SaveHandler { @CanExecute public boolean canExecute(EPartService partService) { if (partService != null) { return !partService.getDirtyParts().isEmpty(); } return false; } @Execute public void execute(EPartService partService) { partService.saveAll(false); } }