Java UIComponent.getFamily方法代碼示例

import javax.faces.component.UIComponent; //導入方法依賴的package包/類
private boolean _needsTableTag(
  UIComponent component)
{
  // Find the first content-generating parent
  UIComponent parent = XhtmlUtils.getStructuralParent(component);
  if (parent == null)
    return true;

  // =-=AEW We should review this code.
  // Either the parent should mark down that it rendered
  // a table, or we should lean on the ResponseWriter
  // to tell us if a table had been used.

  // Hardcoding some packages 'cause I need this code to change!
  String family = parent.getFamily();
  if (HtmlTableLayout.COMPONENT_FAMILY.equals(family))
  {
    return false;
  }

  return true;
}
 

import javax.faces.component.UIComponent; //導入方法依賴的package包/類
@Override
public void startElement(String name, UIComponent component) throws IOException
 {
   if ((component != null) && (_lastComponentStarted != component))
   {
     String componentAsString = component.getFamily();
     String id = component.getId();
     if (id != null)
     {
       componentAsString = componentAsString + "[\"" + id + "\"]";
     }

     writeComment("Start: " + componentAsString);

     _lastComponentStarted = component;
   }

   super.startElement(name, component);
   _inElement = true;
   _elementStack.push(name);
   _attributes.clear();
 }
 

import javax.faces.component.UIComponent; //導入方法依賴的package包/類
/**
 * Returns the clientId used by the renderer in place of the clientId used by the component.
 * Certain renderers render their root element with a clientId that differs from the one
 * used by the component.
 * @param context FacesContent.
 * @param component UIComponent.
 * @return component clientId if the renderer clientId is null. Otherwise clientId used by 
 * renderer.
 */
public static String getRendererClientId(
  FacesContext context, 
  UIComponent component) 
{
  String clientId = component.getClientId(context);
  String family = component.getFamily();
  String rendererType = component.getRendererType();
  if (rendererType != null)
  {
    Renderer renderer = context.getRenderKit().getRenderer(family, rendererType);
    if (renderer instanceof CoreRenderer)
    {
      CoreRenderer coreRenderer = (CoreRenderer) renderer;
      String rendererClientId = coreRenderer.getClientId(context, component);
      return rendererClientId == null ? clientId : rendererClientId;
    }
  }
  return clientId;
}
 

import javax.faces.component.UIComponent; //導入方法依賴的package包/類
/**
 * Helper method to return a <code>Renderer</code> instance for a given <code>UIComponent</code>
 * object.
 * @param context the <code>FacesContext</code> for the request we currently processing
 * @param component the child component
 * @return <code>Renderer</code> for the given <code>UIComponent</code>.
 */
private Renderer _getRenderer(
  FacesContext context,
  UIComponent  component)
{
  // =-= AEW Might consider altering the following approach of getting the
  //         child renderer in case anyone wants to use renderer decoration.
  String family = component.getFamily();
  String rendererType = component.getRendererType();
  if (rendererType == null)
    return null;
  else
    return context.getRenderKit().getRenderer(family, rendererType);
}
 

import javax.faces.component.UIComponent; //導入方法依賴的package包/類
private boolean _isParentPanelForm(
  FacesContext context,
  UIComponent  component)
{
  if (PanelFormLayoutRenderer.__isInPanelFormLayout(context, component))
  {
    return true;
  }

  // We must know if the immediate parent is a PanelForm because if there is
  // even just one other component inbetween this component and a PanelForm,
  // we must render different DOM--the same DOM as if there were no parent
  // PanelForm.
  UIComponent parentComponent = component.getParent();
  String family = parentComponent.getFamily();
  // FIXME: OK... This is another strong coupling
  //        We could add a an interface instead like ComponentHolder or something
  //        instead of checking against a specific component family.
  while (UIXGroup.COMPONENT_FAMILY.equals(family))
  {
    // Special case:
    // Since UIXGroup components are purely organizational, it is valid to
    // have them inbetween panelForm-friendly components and the panelForm,
    // so we need to look further up the chain:
    parentComponent = parentComponent.getParent();
    if (parentComponent == null)
    {
      return false;
    }
    family = parentComponent.getFamily();
  }
  if (UIXPanel.COMPONENT_FAMILY.equals(family))
  {
    String rendererType = parentComponent.getRendererType();
    if (_isFormRendererType(rendererType))
      return true;
  }
  return false;
}