protected void assignUniqueId(FaceletContext ctx, UIComponent parent, String id, UIComponent c) {
// If the id is specified as a literal, and the component is being
// repeated (by c:forEach, for example), use generated unique ids
// after the first instance
if (this.id != null && !(this.id.isLiteral() && ComponentSupport.getNeedUniqueIds(ctx))) {
c.setId(this.id.getValue(ctx));
} else {
UIViewRoot root = ComponentSupport.getViewRoot(ctx, parent);
if (root != null) {
String uid;
IdMapper mapper = IdMapper.getMapper(ctx.getFacesContext());
String mid = ((mapper != null) ? mapper.getAliasedId(id) : id);
UIComponent ancestorNamingContainer = parent.getNamingContainer();
if (null != ancestorNamingContainer && ancestorNamingContainer instanceof UniqueIdVendor) {
uid =
((UniqueIdVendor) ancestorNamingContainer).createUniqueId(ctx.getFacesContext(), mid);
} else {
uid = root.createUniqueId(ctx.getFacesContext(), mid);
}
c.setId(uid);
}
}
if (this.rendererType != null) {
c.setRendererType(this.rendererType);
}
}
public void apply(FaceletContext ctx, UIComponent parent)
throws IOException, FacesException, FaceletException, ELException {
Util.notNull("parent", parent);
UIComponent facetComponent = parent.getFacets().get(UIViewRoot.METADATA_FACET_NAME);
if (facetComponent == null) {
parent.getAttributes().put(FacetHandler.KEY, UIViewRoot.METADATA_FACET_NAME);
try {
this.nextHandler.apply(ctx, parent);
} finally {
parent.getAttributes().remove(FacetHandler.KEY);
}
facetComponent = parent.getFacets().get(UIViewRoot.METADATA_FACET_NAME);
if (!(facetComponent instanceof UIPanel)) {
UIComponent panelGroup =
ctx.getFacesContext().getApplication().createComponent(UIPanel.COMPONENT_TYPE);
panelGroup.getAttributes().put(UIComponent.ADDED_BY_PDL_KEY, Boolean.TRUE);
panelGroup.getChildren().add(facetComponent);
parent.getFacets().put(UIViewRoot.METADATA_FACET_NAME, panelGroup);
facetComponent = panelGroup;
facetComponent.setId(UIViewRoot.METADATA_FACET_NAME);
}
}
}
/**
* Handle the add.
*
* @param context the Faces context.
* @param component the UI component to add to the list as an ADD.
*/
private void handleAdd(FacesContext context, UIComponent component) {
if (!component.isTransient() && !hasTransientAncestor(component)) {
if (component.getParent() != null && component.getParent().isInView()) {
String id = component.getId();
/*
* Since adding a component, can mean you are really reparenting
* it, we need to make sure the OLD clientId is not cached, we do
* that by setting the id.
*/
if (id != null) {
component.setId(id);
}
if (component.getParent().getFacets().containsValue(component)) {
Map facets = component.getParent().getFacets();
Iterator entries = facets.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
if (entry.getValue() == component) {
incrementDynamicChildCount(component.getParent());
component.clearInitialState();
component
.getAttributes()
.put(DYNAMIC_COMPONENT, component.getParent().getChildren().indexOf(component));
ComponentStruct struct = new ComponentStruct();
struct.action = ComponentStruct.ADD;
struct.facetName = entry.getKey().toString();
struct.parentClientId = component.getParent().getClientId(context);
struct.clientId = component.getClientId(context);
struct.id = component.getId();
handleAddRemoveWithAutoPrune(component, struct);
}
}
} else {
incrementDynamicChildCount(component.getParent());
component.clearInitialState();
component
.getAttributes()
.put(DYNAMIC_COMPONENT, component.getParent().getChildren().indexOf(component));
ComponentStruct struct = new ComponentStruct();
struct.action = ComponentStruct.ADD;
struct.parentClientId = component.getParent().getClientId(context);
struct.clientId = component.getClientId(context);
struct.id = component.getId();
handleAddRemoveWithAutoPrune(component, struct);
}
}
}
}
protected void doExistingComponentActions(FaceletContext ctx, String id, UIComponent c) {
// mark all children for cleaning
if (log.isLoggable(Level.FINE)) {
log.fine(owner.getTag() + " Component[" + id + "] Found, marking children for cleanup");
}
ComponentSupport.markForDeletion(c);
/*
* Repply the id, for the case when the component tree was changed, and the id's are set explicitly.
*/
if (this.id != null) {
c.setId(this.id.getValue(ctx));
}
}
/**
* Add a sub component to a UI component.
*
* <p>Since 6.0, does not the set the component as rendered anymore.
*
* @param context
* @param parent
* @param child
* @param defaultChildId
* @return child comp
*/
public static UIComponent hookSubComponent(
FacesContext context, UIComponent parent, UIComponent child, String defaultChildId) {
// build a valid id using the parent id so that it's found everytime.
String childId = child.getId();
if (defaultChildId != null) {
// override with default
childId = defaultChildId;
}
// make sure it's set
if (childId == null) {
childId = context.getViewRoot().createUniqueId();
}
// reset client id
child.setId(childId);
child.setParent(parent);
return child;
}
@Override
protected UIComponent createComponent(FacesContext context, String newId) throws JspException {
Application app = context.getApplication();
UIComponent component;
if (_binding != null) {
component = app.createComponent(_binding, context, getComponentType());
component.setValueExpression("binding", _binding);
} else component = app.createComponent(getComponentType());
component.setId(getId());
setProperties(component);
return component;
}
private void buildPanel(HtmlForm form, String panelId) {
UIComponent panel, input0, input1, button0, button1, column0;
HtmlDataTable data;
HtmlOutputText output0;
ArrayList<String> hobbits = new ArrayList<String>();
hobbits.add("bilbo");
hobbits.add("frodo");
hobbits.add("merry");
hobbits.add("pippin");
hobbits.add("lumpy");
ListDataModel dataModel = new ListDataModel(hobbits);
panel = new UINamingContainer();
panel.setId(panelId);
form.getChildren().add(panel);
input0 = new HtmlInputText();
input0.setId("input0");
panel.getChildren().add(input0);
input1 = new HtmlInputText();
input1.setId("input1");
panel.getChildren().add(input1);
data = new HtmlDataTable();
data.setId("data");
panel.getChildren().add(data);
data.setValue(dataModel);
data.setVar("hobbitName");
String dataId = data.getClientId();
column0 = new HtmlColumn();
column0.setId("column0");
data.getChildren().add(column0);
output0 = new HtmlOutputText();
output0.setId("output0");
output0.setValue(
getFacesContext()
.getApplication()
.getExpressionFactory()
.createValueExpression(
getFacesContext().getELContext(), "#{hobbitName}", String.class));
column0.getChildren().add(output0);
button0 = new HtmlCommandButton();
button0.setId("button0");
panel.getChildren().add(button0);
button1 = new HtmlCommandButton();
button1.setId("button1");
panel.getChildren().add(button1);
}
public UIComponent buildWidget(
String elementName, Map<String, String> attributes, UIMetawidget metawidget) {
FacesContext context = FacesContext.getCurrentInstance();
Application application = context.getApplication();
Class<?> clazz = WidgetBuilderUtils.getActualClassOrType(attributes, null);
if (clazz == null) {
return null;
}
// Colors (as of RichFaces 3.3.1)
if (Color.class.equals(clazz)) {
if (WidgetBuilderUtils.isReadOnly(attributes)) {
return FacesContext.getCurrentInstance()
.getApplication()
.createComponent(HtmlOutputText.COMPONENT_TYPE);
}
return application.createComponent("org.richfaces.ColorPicker");
}
// Suggestion box
//
// Note: for suggestion box to work in table column footer facets, you need
// https://jira.jboss.org/jira/browse/RF-7700
if (String.class.equals(clazz)) {
String facesSuggest = attributes.get(FACES_SUGGEST);
if (facesSuggest != null) {
UIComponent stubComponent = application.createComponent(UIStub.COMPONENT_TYPE);
List<UIComponent> children = stubComponent.getChildren();
// Standard text box
HtmlInputText inputText =
(HtmlInputText) application.createComponent(HtmlInputText.COMPONENT_TYPE);
inputText.setStyle(((HtmlMetawidget) metawidget).getStyle());
inputText.setStyleClass(((HtmlMetawidget) metawidget).getStyleClass());
children.add(inputText);
UISuggestionBox suggestionBox =
(UISuggestionBox) application.createComponent(HtmlSuggestionBox.COMPONENT_TYPE);
// Lock the 'id's so they don't get changed. This is important for the
// JavaScript getElementById that RichFaces generates. Also, do not just use
// 'viewRoot.createUniqueId' because, as per the RenderKit specification:
//
// "If the value returned from component.getId() is non-null and does not start
// with UIViewRoot.UNIQUE_ID_PREFIX, call component.getClientId() and render
// the result as the value of the id attribute in the markup for the component."
//
// Therefore the 'id' attribute is never rendered, therefore the JavaScript
// getElementById doesn't work. Add our own prefix instead
inputText.setId("suggestionText_" + FacesUtils.createUniqueId());
suggestionBox.setId("suggestionBox_" + FacesUtils.createUniqueId());
// Suggestion box
suggestionBox.setFor(inputText.getId());
suggestionBox.setVar("_internal");
children.add(suggestionBox);
try {
// RichFaces 3.2/JSF 1.2 mode
//
// Note: we wrap the MethodExpression as an Object[] to stop link-time
// dependencies on javax.el.MethodExpression, so that we still work with
// JSF 1.1
//
// Note: according to JavaDocs returnType is only important when literal
// (i.e. without #{...}) expression is used, otherwise Object.class is fine
// (http://community.jboss.org/message/516830#516830)
Object[] methodExpression =
new Object[] {
application
.getExpressionFactory()
.createMethodExpression(
context.getELContext(),
facesSuggest,
Object.class,
new Class[] {Object.class})
};
ClassUtils.setProperty(suggestionBox, "suggestionAction", methodExpression[0]);
} catch (Exception e) {
// RichFaces 3.1/JSF 1.1 mode
MethodBinding methodBinding =
application.createMethodBinding(facesSuggest, new Class[] {Object.class});
suggestionBox.setSuggestionAction(methodBinding);
}
// Column
//
// Note: this must be javax.faces.component.html.HtmlColumn, not
// org.richfaces.component.html.HtmlColumn. The latter displayed okay, but when
// a value was selected it did not populate back to the HtmlInputText
UIColumn column =
(UIColumn)
application.createComponent(javax.faces.component.html.HtmlColumn.COMPONENT_TYPE);
column.setId(FacesUtils.createUniqueId());
suggestionBox.getChildren().add(column);
// Output text box
UIComponent columnText = application.createComponent(HtmlOutputText.COMPONENT_TYPE);
columnText.setId(FacesUtils.createUniqueId());
ValueBinding valueBinding = application.createValueBinding("#{_internal}");
columnText.setValueBinding("value", valueBinding);
column.getChildren().add(columnText);
return stubComponent;
}
}
return null;
}