package com.worldturner.example.admin.view;

import java.util.ArrayList;
import java.util.List;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.DefaultDataTable;
import org.apache.wicket.extensions.markup.html.repeater.data.table.HeaderlessColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.ISortableDataProvider;
import org.apache.wicket.extensions.markup.html.repeater.data.table.PropertyColumn;
import org.apache.wicket.markup.html.CSSPackageResource;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.ResourceModel;

import com.worldturner.commons.wicket.componentpage.PageComponent;
import com.worldturner.commons.wicket.componentpage.link.PageComponentLink;
import com.worldturner.commons.wicket.panel.GenericPanel;
import com.worldturner.example.admin.domain.Product;
import com.worldturner.example.admin.model.ProductsDataProvider;

/**
 * Overview page of our "Product administration" module.
 * 
 * @author Erwin Bolwidt (ebolwidt@worldturner.com)
 */
@PageComponent
public class ProductOverviewPanel extends GenericPanel<Void> {

    private static final long serialVersionUID = 1L;

    private int rowsPerPage = 8;

    private DefaultDataTable<Product> table;

    public ProductOverviewPanel(String id) {
        super(id);
    }

    @Override
    protected void initializeGui() {
        add(CSSPackageResource.getHeaderContribution(ProductOverviewPanel.class, "ProductOverviewPanel.css"));
        table = new DefaultDataTable<Product>("overview", createColumns(), createDataProvider(), rowsPerPage);
        add(table);
        add(new PageComponentLink("addNewLink", ProductEditPanel.class, new Model<Product>(new Product())));
    }

    protected List<IColumn<Product>> createColumns() {
        List<IColumn<Product>> columns = new ArrayList<IColumn<Product>>();

        IColumn<Product> nameColumn = new PropertyColumn<Product>(new ResourceModel("product.name.label"), "name");
        IColumn<Product> priceColumn = new PropertyColumn<Product>(new ResourceModel("product.price.label"), "price") {
            private static final long serialVersionUID = 1L;

            @Override
            public void populateItem(Item<ICellPopulator<Product>> item, String componentId, IModel<Product> rowModel) {
                Label label = new Label(componentId, createLabelModel(rowModel));
                label.add(new AttributeModifier("class", true, new Model<String>("number")));
                item.add(label);
            }
        };
        IColumn<Product> actionColumn = new HeaderlessColumn<Product>() {
            private static final long serialVersionUID = 1L;

            @Override
            public void populateItem(Item<ICellPopulator<Product>> cellItem, String componentId,
                    IModel<Product> rowModel) {
                cellItem.add(new ProductOverviewActionPanel(componentId, rowModel));
            }
        };

        columns.add(nameColumn);
        columns.add(priceColumn);
        columns.add(actionColumn);

        return columns;
    }

    protected ISortableDataProvider<Product> createDataProvider() {
        return new ProductsDataProvider();
    }

    public int getRowsPerPage() {
        return rowsPerPage;
    }

    public void setRowsPerPage(int rowsPerPage) {
        this.rowsPerPage = rowsPerPage;
        this.table.setRowsPerPage(rowsPerPage);
    }
}