OfferLineViewForm.java

package com.thingtrack.konekti.view.web.form;

import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;

import com.thingtrack.konekti.domain.Offer;
import com.thingtrack.konekti.domain.OfferLineStatus;
import com.thingtrack.konekti.service.api.OfferLineStatusService;
import com.thingtrack.konekti.service.api.OfferService;
import com.thingtrack.konekti.view.addon.data.BindingSource;
import com.thingtrack.konekti.view.web.form.field.ServiceCollectionField;
import com.vaadin.annotations.AutoGenerated;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.ui.AbsoluteLayout;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.DateField;
import com.vaadin.ui.Select;
import com.vaadin.ui.TextField;

@SuppressWarnings("serial")
public class OfferLineViewForm extends CustomComponent {

	@AutoGenerated
	private AbsoluteLayout mainLayout;
	@AutoGenerated
	private ServiceCollectionField servicesField;
	@AutoGenerated
	private TextField priceField;
	@AutoGenerated
	private ComboBox offerLineStatusField;
	@AutoGenerated
	private DateField offerLineDateField;
	@AutoGenerated
	private ComboBox offerField;
	@AutoGenerated
	private TextField numberField;
	@AutoGenerated
	private TextField discountField;
	@AutoGenerated
	private TextField commentField;

	/*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */

	// form services
	private OfferService offerService;
	private OfferLineStatusService offerLineStatusService;
	
	// Offer Line type datasource
	private BeanItemContainer<Offer> bcOffer = new BindingSource<Offer>(Offer.class);
	private BeanItemContainer<OfferLineStatus> bcOfferLineStatus = new BindingSource<OfferLineStatus>(OfferLineStatus.class);
	
	/**
	 * The constructor should first build the main layout, set the composition
	 * root and then do any custom initialization.
	 * 
	 * The constructor will not be automatically regenerated by the visual
	 * editor.
	 * @throws Exception 
	 * @throws IllegalArgumentException 
	 */
	public OfferLineViewForm() throws IllegalArgumentException, Exception {
		buildMainLayout();
		setCompositionRoot(mainLayout);

		// TODO add user code here
		initComponents();
		
		// configure Organization Type data
		offerField.setItemCaptionMode(Select.ITEM_CAPTION_MODE_PROPERTY);
		offerField.setItemCaptionPropertyId("code");
		
		offerLineStatusField.setItemCaptionMode(Select.ITEM_CAPTION_MODE_PROPERTY);
		offerLineStatusField.setItemCaptionPropertyId("description");
		
		// get form services from OSGi Service Registry
		getServices();
		
		// load data sources
		loadData();		
	}
	
	private void initComponents() {
		numberField.setNullRepresentation("");
		priceField.setNullRepresentation("");
		commentField.setNullRepresentation("");
				
		servicesField.setCaption("Servicios");
		
		numberField.setRequiredError(numberField.getCaption() + " es un campo requerido");
	}
	
	@SuppressWarnings({ "unchecked", "rawtypes" })
	private void getServices() {
		try {
			BundleContext bundleContext = FrameworkUtil.getBundle(OfferViewForm.class).getBundleContext();
			
			ServiceReference offerServiceReference = bundleContext.getServiceReference(OfferService.class.getName());
			offerService = OfferService.class.cast(bundleContext.getService(offerServiceReference));
			
			ServiceReference offerLineStatusServiceReference = bundleContext.getServiceReference(OfferLineStatusService.class.getName());
			offerLineStatusService = OfferLineStatusService.class.cast(bundleContext.getService(offerLineStatusServiceReference));
			
		}
		catch (Exception e) {
			e.getMessage();
			
		}
		
	}
	
	private void loadData() throws IllegalArgumentException, Exception {		
		bcOffer.removeAllItems();
		bcOffer.addAll(offerService.getAll());
		
		offerField.setContainerDataSource(bcOffer);
		
		bcOfferLineStatus.removeAllItems();
		bcOfferLineStatus.addAll(offerLineStatusService.getAll());
		
		offerLineStatusField.setContainerDataSource(bcOfferLineStatus);
				
	}
	
	@AutoGenerated
	private AbsoluteLayout buildMainLayout() {
		// common part: create layout
		mainLayout = new AbsoluteLayout();
		mainLayout.setImmediate(false);
		mainLayout.setWidth("540px");
		mainLayout.setHeight("320px");
		mainLayout.setMargin(true);
		
		// top-level component properties
		setWidth("540px");
		setHeight("320px");
		
		// commentField
		commentField = new TextField();
		commentField.setCaption("Cometarios");
		commentField.setImmediate(false);
		commentField.setWidth("500px");
		commentField.setHeight("80px");
		mainLayout.addComponent(commentField, "top:100.0px;left:20.0px;");
		
		// discountField
		discountField = new TextField();
		discountField.setCaption("Descuento");
		discountField.setImmediate(false);
		discountField.setWidth("100px");
		discountField.setHeight("-1px");
		mainLayout.addComponent(discountField, "top:60.0px;left:160.0px;");
		
		// numberField
		numberField = new TextField();
		numberField.setCaption("Número");
		numberField.setImmediate(false);
		numberField.setWidth("80px");
		numberField.setHeight("-1px");
		numberField.setRequired(true);
		mainLayout.addComponent(numberField, "top:20.0px;left:20.0px;");
		
		// offerField
		offerField = new ComboBox();
		offerField.setCaption("Oferta");
		offerField.setImmediate(false);
		offerField.setWidth("200px");
		offerField.setHeight("-1px");
		offerField.setRequired(true);
		mainLayout.addComponent(offerField, "top:20.0px;left:200.0px;");
		
		// offerLineDateField
		offerLineDateField = new DateField();
		offerLineDateField.setCaption("Fecha");
		offerLineDateField.setImmediate(false);
		offerLineDateField.setWidth("100px");
		offerLineDateField.setHeight("-1px");
		offerLineDateField.setInvalidAllowed(false);
		offerLineDateField.setRequired(true);
		offerLineDateField.setResolution(4);
		mainLayout.addComponent(offerLineDateField, "top:20.0px;left:420.0px;");
		
		// offerLineStatusField
		offerLineStatusField = new ComboBox();
		offerLineStatusField.setCaption("Estado");
		offerLineStatusField.setImmediate(false);
		offerLineStatusField.setWidth("240px");
		offerLineStatusField.setHeight("-1px");
		offerLineStatusField.setRequired(true);
		mainLayout.addComponent(offerLineStatusField,
				"top:60.0px;left:280.0px;");
		
		// priceField
		priceField = new TextField();
		priceField.setCaption("Precio");
		priceField.setImmediate(false);
		priceField.setWidth("120px");
		priceField.setHeight("-1px");
		mainLayout.addComponent(priceField, "top:60.0px;left:20.0px;");
		
		// servicesField
		servicesField = new ServiceCollectionField();
		servicesField.setImmediate(false);
		servicesField.setWidth("500px");
		servicesField.setHeight("100px");
		mainLayout.addComponent(servicesField, "top:200.0px;left:20.0px;");
		
		return mainLayout;
	}
}