me.uni.emuseo.view.exhibits.form.ExhibitCategoryFieldBuilder.java Source code

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/*******************************************************************************
 * Copyright (c) 2016 Darian Jakubik.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Darian Jakubik - initial API and implementation
 ******************************************************************************/
package me.uni.emuseo.view.exhibits.form;

import java.util.Collection;

import me.uni.emuseo.EMuseoUtil;
import me.uni.emuseo.model.categories.CategoryDTO;
import me.uni.emuseo.service.CategoryService;
import me.uni.emuseo.view.common.helpers.FieldBuilder;

import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Field;

class ExhibitCategoryFieldBuilder implements FieldBuilder {
    private Collection<CategoryDTO> items;
    private String categoryPropertyId = "exhibitCategory";

    public ExhibitCategoryFieldBuilder() {
        super();
        CategoryService categoryService = EMuseoUtil.getAppContext().getBean(CategoryService.class);
        this.items = categoryService.getAllCategories();
    }

    public ExhibitCategoryFieldBuilder(String categoryPropertyId) {
        this();
        this.categoryPropertyId = categoryPropertyId;
    }

    public ExhibitCategoryFieldBuilder(Collection<CategoryDTO> items) {
        super();
        this.items = items;
    }

    public ExhibitCategoryFieldBuilder(Collection<CategoryDTO> items, String categoryPropertyId) {
        super();
        this.items = items;
        this.categoryPropertyId = categoryPropertyId;
    }

    @Override
    public Field<?> build(String propertyId) {
        if (propertyId.equals(categoryPropertyId)) {
            ComboBox comboBox = new ComboBox();
            comboBox.setNullSelectionAllowed(false);
            comboBox.addItems(items);
            for (CategoryDTO categoryDTO : items) {
                comboBox.setItemCaption(categoryDTO, categoryDTO.getName());
            }
            return comboBox;
        }
        return null;
    }

}