Examples of org.apache.wicket.markup.ComponentTag

org.apache.wicket.markup.ComponentTag
A subclass of MarkupElement which represents a "significant" markup tag, such as a component open tag. Insignificant markup tags (those which are merely concerned with markup formatting operations and do not denote components or component nesting) are coalesced into instances of RawMarkup (also a subclass of MarkupElement). @author Jonathan Locke


      if (contains(name))
      {
        if (onFound(tag))
        {
          next = new ComponentTag(tag.getName(), TagType.CLOSE);
          if (getWicketNamespace().equals(tag.getNamespace()))
          {
            next = new WicketTag(next);
          }
          next.setNamespace(tag.getNamespace());

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  /**
   * @return The 'id' attribute from the associated markup tag
   */
  public final String getMarkupIdFromMarkup()
  {
    ComponentTag tag = getMarkupTag();
    if (tag != null)
    {
      String id = tag.getAttribute("id");
      if (Strings.isEmpty(id) == false)
      {
        return id.trim();
      }
    }

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   * 
   * @return markup attributes
   */
  public final ValueMap getMarkupAttributes()
  {
    ComponentTag tag = getMarkupTag();
    if (tag != null)
    {
      ValueMap attrs = new ValueMap(tag.getAttributes());
      attrs.makeImmutable();
      return attrs;
    }
    return ValueMap.EMPTY_MAP;
  }

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    }


    final MarkupStream markupStream = new MarkupStream(markup);


    // Get mutable copy of next tag
    final ComponentTag openTag = markupStream.getTag();
    final ComponentTag tag = openTag.mutable();


    // Call any tag handler
    onComponentTag(tag);


    // If we're an openclose tag
    if (!tag.isOpenClose() && !tag.isOpen())
    {
      // We were something other than <tag> or <tag/>
      markupStream.throwMarkupException("Method renderComponent called on bad markup element: " +
        tag);
    }


    if (tag.isOpenClose() && openTag.isOpen())
    {
      markupStream.throwMarkupException("You can not modify a open tag to open-close: " + tag);
    }


    try
    {
      // Render open tag
      if (getRenderBodyOnly() == false)
      {
        renderComponentTag(tag);
      }
      markupStream.next();


      // Render the body only if open-body-close. Do not render if open-close.
      if (tag.isOpen())
      {
        // Render the body. The default strategy will simply call the component's
        // onComponentTagBody() implementation.
        getMarkupSourcingStrategy().onComponentTagBody(this, markupStream, tag);


        // Render close tag
        if (openTag.isOpen())
        {
          renderClosingComponentTag(markupStream, tag, getRenderBodyOnly());
        }
        else if (getRenderBodyOnly() == false)
        {
          if (needToRenderTag(openTag))
          {
            // Close the manually opened tag. And since the user might have changed the
            // tag name ...
            getResponse().write(tag.syntheticCloseTagString());
          }
        }
      }
    }
    catch (WicketRuntimeException wre)

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  protected final void replaceComponentTagBody(final MarkupStream markupStream,
    final ComponentTag tag, final CharSequence body)
  {
    // The tag might have been changed from open-close to open. Hence
    // we'll need what was in the markup itself
    ComponentTag markupOpenTag = null;


    // If tag has a body
    if (tag.isOpen())
    {
      // Get what tag was in the markup; not what the user it might
      // have changed it to.
      markupOpenTag = markupStream.getPreviousTag();


      // If it was an open tag in the markup as well, than ...
      if (markupOpenTag.isOpen())
      {
        // skip any raw markup in the body
        markupStream.skipRawMarkup();
      }
    }


    if (body != null)
    {
      // Write the new body
      getResponse().write(body);
    }


    // If we had an open tag (and not an openclose tag) and we found a
    // close tag, we're good
    if (tag.isOpen())
    {
      // If it was an open tag in the markup, than there must be
      // a close tag as well.
      if ((markupOpenTag != null) && markupOpenTag.isOpen() && !markupStream.atCloseTag())
      {
        // There must be a component in this discarded body
        markupStream.throwMarkupException("Expected close tag for '" + markupOpenTag +
          "' Possible attempt to embed component(s) '" + markupStream.get() +
          "' in the body of this component which discards its body");

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          {
            IComponentResolver componentResolver = (IComponentResolver)resolvingContainer;


            MarkupStream stream = new MarkupStream(childMarkup);


            ComponentTag tag = stream.getTag();


            Component resolvedComponent = resolvingContainer.get(tag.getId());
            if (resolvedComponent == null)
            {
              resolvedComponent = componentResolver.resolve(resolvingContainer, stream, tag);
            }

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    String namespace = markup.getMarkupResourceStream().getWicketNamespace() + ":";


    MarkupElement elem = markup.get(0);
    if (elem instanceof ComponentTag)
    {
      ComponentTag panelTag = (ComponentTag)elem;
      for (String key : panelTag.getAttributes().keySet())
      {
        // exclude "wicket:XX" attributes
        if (key.startsWith(namespace) == false)
        {
          tag.append(key, panelTag.getAttribute(key), ", ");
        }
      }
    }
    else
    {

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    // MarkupStream is good at searching markup
    MarkupStream stream = new MarkupStream(markup);
    while (stream.skipUntil(ComponentTag.class) && (childMarkup == null))
    {
      ComponentTag tag = stream.getTag();
      if (TagUtils.isWicketHeadTag(tag))
      {
        if (tag.getMarkupClass() == null)
        {
          // find() can still fail an return null => continue the search
          childMarkup = stream.getMarkupFragment().find(child.getId());
        }
      }
      else if (TagUtils.isHeadTag(tag))
      {
        // find() can still fail an return null => continue the search
        childMarkup = stream.getMarkupFragment().find(child.getId());
      }


      // Must be a direct child. We are not interested in grand children
      if (tag.isOpen() && !tag.hasNoCloseTag())
      {
        stream.skipToMatchingCloseTag(tag);
      }
      stream.next();
    }

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          noMoreWicketHeadTagsAllowed = true;
        }
      }
      else if (elem instanceof ComponentTag)
      {
        ComponentTag tag = (ComponentTag)elem;
        // wicket:head must be before </head>
        // @TODO why??
        if (tag.isClose() && TagUtils.isHeadTag(tag))
        {
          noMoreWicketHeadTagsAllowed = true;
        }
        // wicket:head must be before <body>
        // @TODO why??
        else if (tag.isOpen() && TagUtils.isBodyTag(tag))
        {
          noMoreWicketHeadTagsAllowed = true;
        }
      }
      elem = associatedMarkupStream.next();

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  {
    MarkupStream stream = new MarkupStream(markup);


    while (stream.skipUntil(ComponentTag.class))
    {
      ComponentTag tag = stream.getTag();
      if (tag.isOpen() || tag.isOpenClose())
      {
        if (tag instanceof WicketTag)
        {
          WicketTag wtag = (WicketTag)tag;
          if (wtag.isPanelTag())

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