net.sf.nakeduml.seamgeneration.jsf.component.JsfLinkBuilder Maven / Gradle / Ivy

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package net.sf.nakeduml.seamgeneration.jsf.component;

import javax.el.ValueExpression;
import javax.faces.component.UICommand;
import javax.faces.component.html.HtmlOutputText;

import net.sf.nakeduml.domainmetamodel.DomainClassifier;
import net.sf.nakeduml.name.NameConverter;
import net.sf.nakeduml.seamgeneration.jsf.ExpressionBuilder;
import net.sf.nakeduml.userinteractionmetamodel.PropertyNavigation;
import net.sf.nakeduml.userinteractionmetamodel.UserInteractionElement;
import net.sf.nakeduml.userinteractionmetamodel.UserInteractionKind;

import org.ajax4jsf.component.AjaxActionComponent;
import org.ajax4jsf.component.html.HtmlAjaxCommandLink;
import org.jboss.seam.el.SeamExpressionFactory;
import org.jboss.seam.ui.component.html.HtmlDecorate;

import com.sun.faces.el.ELContextImpl;

public class JsfLinkBuilder extends AbstractJsfLinkBuilder {

	public JsfLinkBuilder(DomainClassifier dc, PropertyNavigation n) {
		super(dc, n);
	}

	@Override
	public AjaxActionComponent createComponent() {
		return new HtmlAjaxCommandLink();
	}

	@Override
	protected HtmlDecorate addDecoration(UICommand uiCommand, String template, ValueExpression ve, PropertyNavigation n) {
		HtmlDecorate htmlDecorate = new HtmlDecorate();
		htmlDecorate.setTemplate(template);
		setSettedAttributes(htmlDecorate, "template");
		htmlDecorate.setValueExpression("rendered", ve);
		HtmlOutputText label = setUpLabel(n);
		htmlDecorate.getChildren().add(label);
		htmlDecorate.getChildren().add(uiCommand);
		return htmlDecorate;
	}

	@Override
	protected String createNavigationActionExpression(DomainClassifier dc, PropertyNavigation n) {
		ExpressionBuilder eb = ExpressionBuilder.instance();
		eb.append("crudController.outjectCompositionOwner(");
		eb.append(NameConverter.decapitalize(dc.getName()));
		eb.append(".");
		eb.append(n.getProperty().getName());
		eb.append(")");
		return eb.toString();
	}

	@Override
	protected String createNavigationRenderedExpression(DomainClassifier dc, PropertyNavigation n) {
		ExpressionBuilder eb = ExpressionBuilder.instance();
		if (n.getSecurityOnView().getRequiresUserOwnership()) {
			eb.append(NameConverter.decapitalize(dc.getName()));
			eb.append(".isUserOwnershipValid(nakedUser)");
		} else if (n.getSecurityOnView().getRequiresGroupOwnership()) {
			eb.append(NameConverter.decapitalize(dc.getName()));
			eb.append(".isGroupOwnershipValid(nakedUser)");
		} else if (!n.getSecurityOnView().getRequiresGroupOwnership()) {
			eb.append("true");
		} else {
			eb.append(NameConverter.decapitalize(dc.getName()));
			eb.append(".isGroupOwnershipValid(nakedUser)");
		}
		return eb.toString();
	}

	@Override
	protected String createNavigationValueExpression(DomainClassifier dc, PropertyNavigation n) {
		ExpressionBuilder eb = ExpressionBuilder.instance(); 
		if (n.getResultingUserInteraction().getUserInteractionKind()==UserInteractionKind.LIST) {
			eb.append("'");
			eb.append(n.getName());
			eb.append("'");
		} else {
			eb.append(NameConverter.decapitalize(dc.getName()));
			eb.append(".");
			eb.append(n.getTypedElement().getName());
			eb.append(".name");
		}
		return eb.toString();
	}

	@Override
	protected String getDisplayTemplate() {
		return "/layout/display.xhtml";
	}

	//TODO check for duplicates
	private HtmlOutputText setUpLabel(UserInteractionElement ui) {
		HtmlOutputText label = new HtmlOutputText();
		ValueExpression ve = SeamExpressionFactory.INSTANCE.createValueExpression(new ELContextImpl(null), retrieveComponentLabel(ui.getRepresentedElement().getName()), Object.class);
		label.setValue(ve);
		setSettedAttributes(label, "value");
		return label;
	}

	//TODO check for duplicates
	private String retrieveComponentLabel(String name) {
		StringBuilder stringBuilder = new StringBuilder();
		stringBuilder.append("#{messages['");
		stringBuilder.append(name);
		stringBuilder.append("']}");
		return stringBuilder.toString();
	}
	
}