public DomWalker(DomExtensionFactory domExtensionFactory, InjectionClassBuilder classBuilder, ElementDescriptorFactory elementDescriptorFactory, StyleExtensionManager styleExtensionManager, LocalizationProvider localizationProvider)
{
this.domExtensionFactory = domExtensionFactory;
this.elementDescriptorFactory = elementDescriptorFactory;
this.styleExtensionManager = styleExtensionManager;
this.localizationProvider = localizationProvider;
this.classBuilder = classBuilder;
}
public void walkChildren(Node parentNode, InjectionClassBuilder classBuilder, AbstractBehavior parentBehavior = null)
{
var node = parentNode.firstChild;
while (node != null) {
investigateNode(node, classBuilder, parentBehavior);
node = node.nextSibling;
}
}
public InjectionClassBuilder buildChildClassBuilder(InjectionClassBuilder classBuilder, HtmlElement element, JsString contextClassName)
{
var module = (GuiceModule)classBuilder.buildClass(contextClassName);
var injector = (ChildInjector)classBuilder.buildClass("guice.ChildInjector");
var guiceJs = new GuiceJs();
guiceJs.configureInjector(injector, module);
//Setup a new InjectionClassBuilder
return (InjectionClassBuilder)injector.getInstance(typeof(InjectionClassBuilder));
}
private void investigateDomElement(HtmlElement element, InjectionClassBuilder classBuilder, AbstractBehavior parentBehavior)
{
var currentBehavior = parentBehavior;
var id = element.getAttribute("id");
if (id != null) {
//we have a reference to the element now, so remove the id so we dont have to deal with conflicts and clashes
element.removeAttribute("id");
}
var elementDescriptor = elementDescriptorFactory.describeElement( element );
if (elementDescriptor.context != null) {
//change the class builder for everything under this point in the DOM
classBuilder = domExtensionFactory.buildChildClassBuilder(classBuilder, element, elementDescriptor.context);
}
if (elementDescriptor.behavior != null) {
//build a context for this behavior IF it turns out that this particular element defines one
currentBehavior = domExtensionFactory.buildBehavior( classBuilder, element, elementDescriptor.behavior );
//we have a new behavior, this effectively causes us to use a new context for the nodes below it
//Make sure we add ourselves to our parent though
if (id != null && parentBehavior != null) {
parentBehavior.injectPotentialNode(id, currentBehavior);
}
} else {
if (id != null && currentBehavior != null) {
currentBehavior.injectPotentialNode(id, jQueryContext.J(element));
}
}
if (elementDescriptor.fragment != null) {
//build a context for this behavior IF it turns out that this particular element defines one
domExtensionFactory.buildNewContent(element, elementDescriptor.fragment);
}
walkChildren(element, classBuilder, currentBehavior);
//Now that we have figured out all of the items under this dom element, setup the behavior
if (currentBehavior != null && currentBehavior != parentBehavior) {
currentBehavior.verifyAndRegister();
}
}
public AbstractBehavior buildBehavior(InjectionClassBuilder classBuilder, HtmlElement element, JsString behaviorClassName )
{
AbstractBehavior behavior = null;
var resolution = classResolver.resolveClassName(behaviorClassName);
if ( resolution.builtIn ) {
/** If we have a type which was not created via Randori, we send it out to get created. In this way
* we dont worry about injection data and we allow for any crazy creation mechanism the client can
* consider **/
behavior = externalBehaviorFactory.createExternalBehavior(element, behaviorClassName, resolution.type);
} else {
behavior = (AbstractBehavior)classBuilder.buildClass(behaviorClassName);
behavior.provideDecoratedElement(element);
}
return behavior;
}
public AbstractBehavior buildBehavior(InjectionClassBuilder classBuilder, HtmlElement element, JsString behaviorClassName )
{
var behavior = (AbstractBehavior)classBuilder.buildClass(behaviorClassName);
behavior.provideDecoratedElement(element);
return behavior;
}
public void walkDomFragment(Node node, InjectionClassBuilder classBuilder, AbstractBehavior parentBehavior = null)
{
investigateNode(node, classBuilder, parentBehavior);
}
private void investigateNode(Node node, InjectionClassBuilder classBuilder, AbstractBehavior parentBehavior)
{
if (node.nodeType == Node.ELEMENT_NODE) {
//Just an optimization, need to create constants for all of these things
if (node.nodeName == "SCRIPT" || node.nodeName == "META") {
return;
}
if ( node.nodeName == "LINK" ) {
investigateLinkElement(node.As<HtmlLinkElement>());
} else {
investigateDomElement(node.As<HtmlElement>(), classBuilder, parentBehavior);
}
} else if (node.nodeType == Node.TEXT_NODE) {
//This is a text node, check to see if it needs internationalization
localizationProvider.investigateTextNode(node);
} else {
walkChildren(node, classBuilder, parentBehavior);
}
}
public TemplateRenderer(InjectionClassBuilder classBuilder, DomWalker domWalker, TemplateBuilder templateBuilder)
{
this.domWalker = domWalker;
this.classBuilder = classBuilder;
this.templateBuilder = templateBuilder;
}
