Examples with LitTemplate com.vaadin.flow.component.littemplate.LitTemplate used on opensource projects

Example 1 with LitTemplate

use of com.vaadin.flow.component.littemplate.LitTemplate in project flow by vaadin.

the class LitTemplateParserImpl method getTemplateContent.

@Override
public TemplateData getTemplateContent(Class<? extends LitTemplate> clazz, String tag, VaadinService service) {
    List<Dependency> dependencies = AnnotationReader.getAnnotationsFor(clazz, JsModule.class).stream().map(jsModule -> new Dependency(Dependency.Type.JS_MODULE, jsModule.value(), // load mode doesn't
    LoadMode.EAGER)).collect(Collectors.toList());
    for (DependencyFilter filter : service.getDependencyFilters()) {
        dependencies = filter.filter(new ArrayList<>(dependencies), service);
    }
    Pair<Dependency, String> chosenDep = null;
    for (Dependency dependency : dependencies) {
        if (dependency.getType() != Dependency.Type.JS_MODULE) {
            continue;
        }
        String url = dependency.getUrl();
        String source = getSourcesFromTemplate(service, tag, url);
        if (source == null) {
            continue;
        }
        if (chosenDep == null) {
            chosenDep = new Pair<>(dependency, source);
        }
        if (dependencyHasTagName(dependency, tag)) {
            chosenDep = new Pair<>(dependency, source);
            break;
        }
    }
    Element templateElement = null;
    if (chosenDep != null) {
        templateElement = BundleLitParser.parseLitTemplateElement(chosenDep.getFirst().getUrl(), chosenDep.getSecond());
    }
    if (templateElement != null) {
        // Template needs to be wrapped in an element with id, to look
        // like a P2 template
        Element parent = new Element(tag);
        parent.attr("id", tag);
        templateElement.appendTo(parent);
        return new TemplateData(chosenDep.getFirst().getUrl(), templateElement);
    }
    getLogger().info("Couldn't find the " + "definition of the element with tag '{}' " + "in any lit template file declared using '@{}' annotations. " + "In a Spring Boot project, please ensure that the template's " + "groupId is added to the vaadin.whitelisted-packages " + "property. Otherwise, please Check the availability of the " + "template files in your WAR file or provide alternative " + "implementation of the method " + "LitTemplateParser.getTemplateContent() which should return " + "an element representing the content of the template file", tag, JsModule.class.getSimpleName());
    return null;
}