com.mcparland.john.vaadin_mvn_arch.samples.crud.ProductTable.java Source code

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Here is the source code for com.mcparland.john.vaadin_mvn_arch.samples.crud.ProductTable.java

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package com.mcparland.john.vaadin_mvn_arch.samples.crud;

/*
 * #%L
 * vaadin_mvn_arch-ui
 * %%
 * Copyright (C) 2014 John McParland
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import com.mcparland.john.vaadin_mvn_arch.samples.backend.data.Availability;
import com.mcparland.john.vaadin_mvn_arch.samples.backend.data.Product;
import com.vaadin.data.Property;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.data.util.filter.Or;
import com.vaadin.data.util.filter.SimpleStringFilter;
import com.vaadin.server.FontAwesome;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Label;
import com.vaadin.ui.Table;
import com.vaadin.ui.themes.ValoTheme;

/**
 * Table of products, handling the visual presentation and filtering of a set of
 * items. This version uses an in-memory data source that is suitable for small
 * data sets.
 */
public class ProductTable extends Table {

    /**
     * The serialVersionUID.
     */
    private static final long serialVersionUID = 1L;

    private BeanItemContainer<Product> container;

    private ColumnGenerator availabilityGenerator = new ColumnGenerator() {

        /**
         * The serialVersionUID.
         */
        private static final long serialVersionUID = 1L;

        @Override
        public Object generateCell(Table source, Object itemId, Object columnId) {
            @SuppressWarnings("rawtypes")
            Property property = source.getItem(itemId).getItemProperty(columnId);
            if (property != null) {
                Availability availability = (Availability) property.getValue();
                String color = "";
                if (availability == Availability.AVAILABLE) {
                    color = "#2dd085";
                } else if (availability == Availability.COMING) {
                    color = "#ffc66e";
                } else if (availability == Availability.DISCONTINUED) {
                    color = "#f54993";
                }

                String iconCode = "<span class=\"v-icon\" style=\"font-family: "
                        + FontAwesome.CIRCLE.getFontFamily() + ";color:" + color + "\">&#x"
                        + Integer.toHexString(FontAwesome.CIRCLE.getCodepoint()) + ";</span>";

                Label label = new Label(iconCode + " " + property.getValue(), ContentMode.HTML);
                label.setSizeUndefined();
                return label;
            }
            return null;
        }
    };

    public ProductTable() {
        setSizeFull();
        addStyleName(ValoTheme.TABLE_NO_HORIZONTAL_LINES);

        container = new BeanItemContainer<Product>(Product.class);
        setContainerDataSource(container);
        setVisibleColumns("id", "productName", "price", "availability", "stockCount", "category");
        setColumnHeaders("ID", "Product", "Price", "Availability", "Stock", "Categories");
        setColumnCollapsingAllowed(true);
        setColumnCollapsed("integerProperty", true);
        setColumnCollapsed("bigDecimalProperty", true);

        setColumnWidth("id", 50);
        setColumnAlignment("price", Align.RIGHT);
        setColumnAlignment("stockCount", Align.RIGHT);
        setSelectable(true);
        setImmediate(true);
        // Add an traffic light icon in front of availability
        addGeneratedColumn("availability", availabilityGenerator);
        // Add " " automatically after price
        setConverter("price", new EuroConverter());
        // Show categories as a comma separated list
        setConverter("category", new CollectionToStringConverter());
    }

    @Override
    protected String formatPropertyValue(Object rowId, Object colId,
            @SuppressWarnings("rawtypes") Property property) {
        if (colId.equals("stockCount")) {
            Integer stock = (Integer) property.getValue();
            if (stock.equals(0)) {
                return "-";
            } else {
                return stock.toString();
            }
        }
        return super.formatPropertyValue(rowId, colId, property);
    }

    /**
     * Filter the table based on a search string that is searched for in the
     * product name, availability and category columns.
     * 
     * @param filterString
     *            string to look for
     */
    public void setFilter(String filterString) {
        container.removeAllContainerFilters();
        if (filterString.length() > 0) {
            SimpleStringFilter nameFilter = new SimpleStringFilter("productName", filterString, true, false);
            SimpleStringFilter availabilityFilter = new SimpleStringFilter("availability", filterString, true,
                    false);
            SimpleStringFilter categoryFilter = new SimpleStringFilter("category", filterString, true, false);
            container.addContainerFilter(new Or(nameFilter, availabilityFilter, categoryFilter));
        }

    }

    @Override
    public Product getValue() {
        return (Product) super.getValue();
    }

    @Override
    public BeanItemContainer<Product> getContainerDataSource() {
        return container;
    }
}