org.fatal1t.finbe.ui.components.CategoryForm.java Source code

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Here is the source code for org.fatal1t.finbe.ui.components.CategoryForm.java

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package org.fatal1t.finbe.ui.components;

import com.vaadin.data.fieldgroup.BeanFieldGroup;
import com.vaadin.spring.annotation.SpringComponent;
import com.vaadin.spring.annotation.UIScope;
import com.vaadin.ui.Button;
import com.vaadin.ui.FormLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.TextField;
import org.fatal1t.finbe.controllers.entities.Category;
import org.fatal1t.finbe.controllers.entities.CategoryRepository;
import org.fatal1t.finbe.ui.views.CustomView;
import org.springframework.beans.factory.annotation.Autowired;

/**
 *
 * @author fatal1t
 */
@SpringComponent
@UIScope
public class CategoryForm extends FormLayout {
    private final TextField catName = new TextField("Category name");
    private Category category;
    private final CategoryRepository repository;
    private final Label errorLabel = new Label();
    private final Button save = new Button("Save");
    private final Button delete = new Button("Delete");
    private final Button newCat = new Button("New");
    private final HorizontalLayout buttons;
    //private Long userId;
    private CustomView view;

    @Autowired
    public CategoryForm(CategoryRepository repository) {
        this.repository = repository;
        this.errorLabel.setVisible(false);
        this.buttons = new HorizontalLayout(this.save, this.delete, this.newCat);
        this.addComponents(this.catName, this.errorLabel, this.buttons);
        this.newCat.addClickListener(e -> {
            setCategory(new Category());
            view.setItems();
        });

        this.save.addClickListener(e -> {
            repository.save(this.category);
            view.setItems();
        });

        this.delete.addClickListener(e -> {
            try {
                this.repository.delete(this.category.getId());
                view.setItems();
            } catch (Exception ex) {
                //padne to validaci v DB pro primarnimu klici pokud bude takova hodnota existovat v jine tabulce 
                this.errorLabel.setValue("Neco se posralo, zkus predelat kategorie");
            }
        });
        this.category = new Category();
    }

    public void setCategory(Category category) {
        /// pridat kontrolu na persistenci 
        Long userId = (Long) getSession().getAttribute("userId");
        if (category == null) {
            return;
        }
        boolean isPersited = this.repository.findById(category.getId()) != null;
        if (isPersited) {
            System.out.println("Item is found");
            this.category = this.repository.findById(category.getId());
        } else {
            category.setIdUser(userId);
            this.category = category;
        }
        BeanFieldGroup.bindFieldsUnbuffered(this.category, this);
    }

    public void setView(CustomView view) {
        this.view = view;
    }
}