Examples of org.apache.wicket.behavior.IBehavior

org.apache.wicket.behavior.IBehavior
Behaviors are kind of plug-ins for Components. They allow 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 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.
It is recommended that you extend from {@link org.apache.wicket.behavior.AbstractBehavior}instead of directly implementing this interface.
@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)

    List behaviors = getBehaviorsImpl();
    if (behaviors != null)
    {
      for (Iterator i = behaviors.iterator(); i.hasNext();)
      {
        IBehavior behavior = (IBehavior)i.next();
        if (isBehaviorAccepted(behavior))
        {
          behavior.beforeRender(this);
        }
      }
    }
  }

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    List behaviors = getBehaviorsImpl();
    if (behaviors != null)
    {
      for (Iterator i = behaviors.iterator(); i.hasNext();)
      {
        IBehavior behavior = (IBehavior)i.next();
        if (isBehaviorAccepted(behavior))
        {
          behavior.afterRender(this);
        }
      }
    }
  }

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      {
        tag = tag.mutable();


        for (Iterator i = behaviors.iterator(); i.hasNext();)
        {
          IBehavior behavior = (IBehavior)i.next();


          // Components may reject some behavior components
          if (isBehaviorAccepted(behavior))
          {
            behavior.onComponentTag(this, tag);
          }
        }
      }


      // apply behaviors that are attached to the component tag.
      if (tag.hasBehaviors())
      {
        Iterator tagBehaviors = tag.getBehaviors();
        while (tagBehaviors.hasNext())
        {
          final IBehavior behavior = (IBehavior)tagBehaviors.next();
          behavior.onComponentTag(this, tag);
        }
      }


      // Write the tag
      tag.writeOutput(getResponse(), stripWicketTags, findMarkupStream().getWicketNamespace());

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    // matches the event parameter.
    AjaxEventBehavior ajaxEventBehavior = null;
    List behaviors = component.getBehaviors();
    for (Iterator iter = behaviors.iterator(); iter.hasNext();)
    {
      IBehavior behavior = (IBehavior)iter.next();


      // AjaxEventBehavior is the one to look for
      if (behavior instanceof AjaxEventBehavior)
      {
        AjaxEventBehavior tmp = (AjaxEventBehavior)behavior;

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      }
      else
      {
        try
        {
          IBehavior behavior = getComponent().getBehaviors().get(behaviorIndex);
          listenerInterface.invoke(getComponent(), behavior);
        }
        catch (IndexOutOfBoundsException e)
        {
          throw new WicketRuntimeException("Couldn't find component behavior.");

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


      // Write the tag
      tag.writeOutput(getResponse(), !needToRenderTag(null),

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    IBehaviorListener behaviorListener = null;


    if (behaviors.size() > idAsInt)
    {
      IBehavior behavior = behaviors.get(idAsInt);
      if (behavior instanceof IBehaviorListener)
      {
        behaviorListener = (IBehaviorListener)behavior;
      }
    }

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


      // Write the tag
      tag.writeOutput(getResponse(), !needToRenderTag(null),

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  }


  /** {@inheritDoc} */
  public final IBehavior getBehaviorById(int id)
  {
    IBehavior behavior = null;


    ArrayList<IBehavior> ids = getMetaData(BEHAVIOR_IDS);
    if (ids != null)
    {
      if (id >= 0 && id < ids.size())

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

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