package org.richfaces.renderkit;
import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
import javax.faces.context.FacesContext;
import org.ajax4jsf.javascript.JSLiteral;
import org.richfaces.application.ServiceTracker;
import org.richfaces.component.AbstractFocus;
import org.richfaces.javascript.JavaScriptService;
import org.richfaces.renderkit.focus.FocusRenderStrategy;
import org.richfaces.renderkit.focus.FocusRendererInterface;
import org.richfaces.renderkit.focus.FormFocusRenderStrategy;
import org.richfaces.renderkit.focus.ViewFocusRenderStrategy;
@ResourceDependencies({ @ResourceDependency(library = "javax.faces", name = "jsf.js"),
@ResourceDependency(name = "jquery.js"),
@ResourceDependency(name = "richfaces.js"),
@ResourceDependency(name = "richfaces-base-component.js"),
@ResourceDependency(library = "com.jqueryui", name = "jquery.ui.core.js"),
@ResourceDependency(library = "org.richfaces", name = "focus.js") })
public class FocusRendererBase extends RendererBase implements FocusRendererInterface {
public static final String RENDERER_TYPE = "org.richfaces.FocusRenderer";
private final FormFocusRenderStrategy FORM_RENDERING_STRATEGY = new FormFocusRenderStrategy();
private final ViewFocusRenderStrategy VIEW_RENDERING_STRATEGY = new ViewFocusRenderStrategy();
/**
* Determines whether the currently rendered Focus should be rendered or not based on if request is postback and if Focus
* belongs to form which has been submitted.
*/
public boolean shouldApply(FacesContext context, AbstractFocus component) {
return getStrategy(component).shouldApply(context, component);
}
/**
* Get space-separated list of clientIds as component candidates to be focused on client.
*/
public String getFocusCandidatesAsString(FacesContext context, AbstractFocus component) {
return getStrategy(component).getFocusCandidatesAsString(context, component);
}
@Override
public void postAddToView(FacesContext context, AbstractFocus component) {
getStrategy(component).postAddToView(context, component);
}
/**
* This method ensures that component which should be focused will be present in the page in the time of running script (oncomplete).
*/
public void renderOncompleteScript(FacesContext context, String script) {
JavaScriptService javaScriptService = ServiceTracker.getService(JavaScriptService.class);
javaScriptService.addScript(context, new JSLiteral(script));
}
private FocusRenderStrategy getStrategy(AbstractFocus component) {
switch (component.getMode()) {
case FORM:
return FORM_RENDERING_STRATEGY;
case VIEW:
return VIEW_RENDERING_STRATEGY;
default:
throw new UnsupportedOperationException("Retrieving focus candidates in " + component.getMode()
+ " mode is not supported");
}
}
}