ServiceView.java

package com.example.vaadin_test.views;

import java.util.List;
import java.util.Set;

import org.ofbiz.base.util.Debug;
import org.ofbiz.service.GenericServiceException;
import org.ofbiz.service.ModelParam;
import org.ofbiz.service.ModelService;

import com.vaadin.annotations.AutoGenerated;
import com.vaadin.data.Item;
import com.vaadin.data.util.IndexedContainer;
import com.vaadin.data.util.filter.SimpleStringFilter;
import com.vaadin.event.FieldEvents.TextChangeEvent;
import com.vaadin.event.FieldEvents.TextChangeListener;
import com.vaadin.event.ItemClickEvent;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.ui.Grid;
import com.vaadin.ui.Grid.HeaderCell;
import com.vaadin.ui.Grid.HeaderRow;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Table;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;

import com.example.vaadin_test.OfbizComponent;

public class ServiceView extends OfbizComponent implements View {

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

	@AutoGenerated
	private HorizontalLayout mainLayout;
	@AutoGenerated
	private VerticalLayout verticalLayout_1;
	@AutoGenerated
	private Table outParametersTable;
	@AutoGenerated
	private Table inParametersTable;
	@AutoGenerated
	private Label serviceNameLabel;
	@AutoGenerated
	private Grid serviceList;
	/**
	 * 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.
	 */
	public ServiceView() {
		buildMainLayout();
		setCompositionRoot(mainLayout);

		// TODO add user code here
		initTables();
		initServiceList();
	}
	
	private void initTables() {
		// inParametersTable
		inParametersTable.setCaption("In Parameters");
		inParametersTable.addContainerProperty("Parameter Name", String.class, null);
		inParametersTable.addContainerProperty("Description", String.class, null);
		inParametersTable.addContainerProperty("Optional", String.class, null);
		inParametersTable.addContainerProperty("Type", String.class, null);
		inParametersTable.addContainerProperty("Mode", String.class, null);
		inParametersTable.addContainerProperty("Is Set Internally", String.class, null);
		inParametersTable.addContainerProperty("Entity Name", String.class, null);
		inParametersTable.addContainerProperty("Field Name", String.class, null);
		
		// outParametersTable
		outParametersTable.setHeight("-1px");
		outParametersTable.setCaption("Out Parameters");
		outParametersTable.addContainerProperty("Parameter Name", String.class, null);
		outParametersTable.addContainerProperty("Description", String.class, null);
		outParametersTable.addContainerProperty("Optional", String.class, null);
		outParametersTable.addContainerProperty("Type", String.class, null);
		outParametersTable.addContainerProperty("Mode", String.class, null);
		outParametersTable.addContainerProperty("Is Set Internally", String.class, null);
		outParametersTable.addContainerProperty("Entity Name", String.class, null);
		outParametersTable.addContainerProperty("Field Name", String.class, null);
	}
	
	private void initServiceList() {
		// get all ofbiz service names
		Set<String> serviceNames = dispatcher.getDispatchContext().getAllServiceNames();
		final IndexedContainer serviceContainer = new IndexedContainer();
		serviceContainer.addContainerProperty("name", String.class, null);
		
		for (String s : serviceNames) {
			Item newItem = serviceContainer.getItem(serviceContainer.addItem());
		    newItem.getItemProperty("name").setValue(s);
		}
		
		// init grid component
		serviceList.setCaption("Service List");
		serviceList.setContainerDataSource(serviceContainer);
		
		// add grid item click listener
	    serviceList.addItemClickListener(new ItemClickEvent.ItemClickListener() {
	        @Override
	        public void itemClick(ItemClickEvent itemClickEvent) {
	            String serviceName = itemClickEvent.getItem().getItemProperty("name").getValue().toString();
	            ModelService serviceModel = null;
	            try {
	            	serviceModel = dispatcher.getDispatchContext().getModelService(serviceName);
	            }
	            catch (GenericServiceException e) {
	            	Debug.log(e.getMessage());
	            }
	            
	            if (serviceModel != null) {
	            	List<ModelParam> serviceParams = serviceModel.getModelParamList();
	            	
	            	serviceNameLabel.setValue(serviceName);
	            	inParametersTable.removeAllItems();
	            	outParametersTable.removeAllItems();
	            	
	            	int inIndex = 0;
	            	int outIndex = 0;
	            	
	            	for (ModelParam param : serviceParams) {
	            		if (param.isIn()) {
	            			inParametersTable.addItem(
	            				new Object[]{
	            					param.name,
	            					param.description,
	            					new Boolean(param.optional).toString(),
	            					param.type,
	            					param.mode,
	            					new Boolean(param.internal).toString(),
	            					param.entityName,
	            					param.fieldName
	            				}, inIndex++
	            			);
	            		}
	            	}
	            	
	            	for (ModelParam param : serviceParams) {
	            		if (param.isOut()) {
	            			outParametersTable.addItem(
	            				new Object[]{
	            					param.name,
	            					param.description,
	            					new Boolean(param.optional).toString(),
	            					param.type,
	            					param.mode,
	            					new Boolean(param.internal).toString(),
	            					param.entityName,
	            					param.fieldName
	            				}, inIndex++
	            			);
	            		}
	            	}
	            }
	        }
	    });
		
	    // add service list filter
		HeaderRow filterRow = serviceList.appendHeaderRow();
		HeaderCell cell = filterRow.getCell("name");
		
	    TextField filterField = new TextField();
	    
	    filterField.addTextChangeListener(new TextChangeListener() {
			@Override
			public void textChange(TextChangeEvent event) {
				serviceContainer.removeContainerFilters("name");
				if (! event.getText().isEmpty()) {
					serviceContainer.addContainerFilter(
						new SimpleStringFilter("name", event.getText(), true, false)
					);
				}
			}
	    });

	    cell.setComponent(filterField);	
	}

	@AutoGenerated
	private HorizontalLayout buildMainLayout() {
		// common part: create layout
		mainLayout = new HorizontalLayout();
		mainLayout.setImmediate(false);
		mainLayout.setWidth("-1px");
		mainLayout.setHeight("-1px");
		mainLayout.setMargin(false);
		
		// top-level component properties
		setWidth("-1px");
		setHeight("-1px");
		
		// serviceList
		serviceList = new Grid();
		serviceList.setImmediate(false);
		serviceList.setWidth("200px");
		serviceList.setHeight("-1px");
		mainLayout.addComponent(serviceList);
		
		// verticalLayout_1
		verticalLayout_1 = buildVerticalLayout_1();
		mainLayout.addComponent(verticalLayout_1);
		
		return mainLayout;
	}

	@AutoGenerated
	private VerticalLayout buildVerticalLayout_1() {
		// common part: create layout
		verticalLayout_1 = new VerticalLayout();
		verticalLayout_1.setImmediate(false);
		verticalLayout_1.setWidth("-1px");
		verticalLayout_1.setHeight("-1px");
		verticalLayout_1.setMargin(false);
		
		// serviceNameLabel
		serviceNameLabel = new Label();
		serviceNameLabel.setImmediate(false);
		serviceNameLabel.setWidth("-1px");
		serviceNameLabel.setHeight("-1px");
		serviceNameLabel.setValue("Label");
		verticalLayout_1.addComponent(serviceNameLabel);
		
		// inParametersTable
		inParametersTable = new Table();
		inParametersTable.setImmediate(false);
		inParametersTable.setWidth("-1px");
		inParametersTable.setHeight("-1px");
		verticalLayout_1.addComponent(inParametersTable);
		
		// outParametersTable
		outParametersTable = new Table();
		outParametersTable.setImmediate(false);
		outParametersTable.setWidth("-1px");
		verticalLayout_1.addComponent(outParametersTable);
		
		return verticalLayout_1;
	}
	
	@Override
	public void enter(ViewChangeEvent event) {
		// TODO Auto-generated method stub

	}
}