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)

        add(feedbackPanel);


        final String kind = getClass().getSimpleName().toLowerCase();
        final BookmarkablePageLink kindLink = (BookmarkablePageLink) get(kind);
        if (kindLink != null) {
            kindLink.add(new Behavior() {


                private static final long serialVersionUID = 1469628524240283489L;


                @Override
                public void onComponentTag(final Component component, final ComponentTag tag) {


                    tag.put("class", kind);
                }
            });


            Component kindIcon = kindLink.get(0);
            if (kindIcon != null) {
                kindIcon.add(new Behavior() {


                    private static final long serialVersionUID = 1469628524240283489L;


                    @Override
                    public void onComponentTag(final Component component, final ComponentTag tag) {

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            }
        };


        // Add class to specify relative position of the link.
        // Position depends on result pages number.
        displayAttrsLink.add(new Behavior() {


            private static final long serialVersionUID = 1469628524240283489L;


            @Override
            public void onComponentTag(final Component component, final ComponentTag tag) {

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   */
  public void remove(final IFormValidator validator)
  {
    Args.notNull(validator, "validator");


    Behavior match = null;
    for (Behavior behavior : getBehaviors())
    {
      if (behavior.equals(validator))
      {
        match = behavior;

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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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    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.onRemove(component);
      }
    }
  }

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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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      {
        return ((Component)node).getPath();
      }
      else
      {
        Behavior behavior = (Behavior)node;
        Component parent = (Component)this.parent.node;
        String parentPath = parent.getPath();
        int indexOf = parent.getBehaviors().indexOf(behavior);
        return parentPath + Component.PATH_SEPARATOR + "Behavior_" + indexOf;
      }

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      {
        return ((Component)node).isStateless();
      }
      else
      {
        Behavior behavior = (Behavior)node;
        Component parent = (Component)this.parent.node;
        return behavior.getStatelessHint(parent);
      }
    }

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   * @return form component for chaining
   */
  public final FormComponent<T> remove(final IValidator<? super T> validator)
  {
    Args.notNull(validator, "validator");
    Behavior match = null;
    for (Behavior behavior : getBehaviors())
    {
      if (behavior.equals(validator))
      {
        match = behavior;

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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);
        }
      }


      // Apply behavior modifiers
      List<? extends Behavior> behaviors = getBehaviors();
      if ((behaviors != null) && !behaviors.isEmpty() && !tag.isClose() &&
        (isIgnoreAttributeModifier() == false))
      {
        tag = tag.mutable();
        for (Behavior behavior : behaviors)
        {
          // Components may reject some behavior components
          if (isBehaviorAccepted(behavior))
          {
            behavior.onComponentTag(this, tag);
          }
        }
      }


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

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