Examples of org.apache.wicket.behavior.Behavior

org.apache.wicket.behavior.Behavior
Behaviors are kind of plug-ins for Components. They allow functionality to be added to a component and get essential events forwarded by the component. They can be bound to a concrete component (using the bind method which is called when the behavior is attached), but they don't need to. They can modify the components markup by changing the rendered ComponentTag. Behaviors can have their own models as well, and they are notified when these are to be detached by the component.
You also cannot modify a components model with a behavior.
@see org.apache.wicket.behavior.IBehaviorListener @see org.apache.wicket.markup.html.IHeaderContributor @see org.apache.wicket.behavior.AbstractAjaxBehavior @see org.apache.wicket.AttributeModifier @author Ralf Ebert @author Eelco Hillenius @author Igor Vaynberg (ivaynberg)

          }
        }


        if (col instanceof IStyledColumn)
        {
          filter.add(new Behavior()
          {
            private static final long serialVersionUID = 1L;


            /**
             * @see Behavior#onComponentTag(Component, ComponentTag)

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  private MarkupContainer addXXX(final String id, final MarkupContainer parent)
  {
    MarkupContainer container = new WebMarkupContainer(id);
    parent.add(container);
    container.add(new Behavior()
    {
      @Override
      public void renderHead(Component component, IHeaderResponse response)
      {
        response.renderCSSReference(id + ".css");

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  private MarkupContainer addXXX(final String id, final MarkupContainer parent)
  {
    MarkupContainer container = new WebMarkupContainer(id);
    parent.add(container);
    container.add(new Behavior()
    {
      @Override
      public void renderHead(Component component, IHeaderResponse response)
      {
        response.renderCSSReference(id + ".css");

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    for (int i = component.data_start(); i < len; i++)
    {
      Object obj = component.data_get(i);
      if (obj != null && obj instanceof Behavior)
      {
        final Behavior behavior = (Behavior)obj;


        behavior.detach(component);


        if (behavior.isTemporary(component))
        {
          internalRemove(behavior);
        }
      }
    }

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    return id;
  }


  public final Behavior getBehaviorById(int id)
  {
    Behavior behavior = null;


    ArrayList<Behavior> ids = getBehaviorsIdList(false);
    if (ids != null)
    {
      if (id >= 0 && id < ids.size())

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    }
    else
    {
      try
      {
        Behavior behavior = getComponent().getBehaviorById(behaviorId);
        listenerInterface.invoke(getComponent(), behavior);
      }
      catch (IndexOutOfBoundsException e)
      {
        throw new WicketRuntimeException("Couldn't find component behavior.", e);

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      if (tag.hasBehaviors())
      {
        Iterator<? extends Behavior> tagBehaviors = tag.getBehaviors();
        while (tagBehaviors.hasNext())
        {
          final Behavior behavior = tagBehaviors.next();
          if (behavior.isEnabled(this))
          {
            behavior.onComponentTag(this, tag);
          }
          behavior.detach(this);
        }
      }


      if ((tag instanceof WicketTag) && !tag.isClose() &&
        !getFlag(FLAG_IGNORE_ATTRIBUTE_MODIFIER))

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  private MarkupContainer addXXX(final String id, final MarkupContainer parent)
  {
    MarkupContainer container = new WebMarkupContainer(id);
    parent.add(container);
    container.add(new Behavior()
    {
      @Override
      public void renderHead(Component component, IHeaderResponse response)
      {
        response.renderCSSReference(id + ".css");

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  public HomePage(final PageParameters parameters)
  {
    super(parameters);


    final WebMarkupContainer jsPlaceholder = new WebMarkupContainer("jsProofPlaceholder");
    jsPlaceholder.add(new Behavior()
    {
      private static final long serialVersionUID = 1L;


      @Override
      public void renderHead(Component component, IHeaderResponse response)

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    final Link<Void> addTemporaryBehaviorLink = new Link<Void>("addTemporaryBehaviorLink")
    {
      @Override
      public void onClick()
      {
        targetComponent.add(new Behavior()
        {


          /**
           * @see org.apache.wicket.behavior.AbstractBehavior#isTemporary(Component)
           */

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