Examples of org.apache.tapestry.event.PageEvent

org.apache.tapestry.event.PageEvent
Encapsulates information related to the page listener interfaces. @author Howard Lewis Ship @version $Id: PageEvent.java 243791 2004-02-19 17:38:13Z hlship $ @since 1.0.5

    protected void firePageDetached()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageDetachListener.class)
            {
                PageDetachListener l = (PageDetachListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageDetached(event);
            }
        }
    }

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    protected void firePageBeginRender()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageRenderListener.class)
            {
                PageRenderListener l = (PageRenderListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageBeginRender(event);
            }
        }
    }

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    protected void firePageEndRender()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageRenderListener.class)
            {
                PageRenderListener l = (PageRenderListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageEndRender(event);
            }
        }
    }

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    protected void firePageValidate()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageValidateListener.class)
            {
                PageValidateListener l = (PageValidateListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageValidate(event);
            }
        }
    }

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    public void firePageAttached()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for(int i = listeners.length-2; i >= 0; i -= 2) 
        {
            if (listeners[i] == PageAttachListener.class)
            {
                PageAttachListener l = (PageAttachListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageAttached(event);
            }
        }
    }

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    protected void firePageDetached()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageDetachListener.class)
            {
                PageDetachListener l = (PageDetachListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageDetached(event);
            }
        }
    }

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    protected void firePageBeginRender()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for(int i = listeners.length-2; i >= 0; i -= 2) 
        {
            if (listeners[i] == PageBeginRenderListener.class) 
            {
                PageBeginRenderListener l = (PageBeginRenderListener)listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageBeginRender(event);
            }
        }
    }

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    protected void firePageEndRender()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageEndRenderListener.class)
            {
                PageEndRenderListener l = (PageEndRenderListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageEndRender(event);
            }
        }
    }

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    protected void firePageValidate()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageValidateListener.class)
            {
                PageValidateListener l = (PageValidateListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageValidate(event);
            }
        }
    }

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    protected void firePageAttached()
    {
        if (_listenerList == null)
            return;


        PageEvent event = null;
        Object[] listeners = _listenerList.getListenerList();


        for (int i = 0; i < listeners.length; i += 2)
        {
            if (listeners[i] == PageAttachListener.class)
            {
                PageAttachListener l = (PageAttachListener) listeners[i + 1];


                if (event == null)
                    event = new PageEvent(this, _requestCycle);


                l.pageAttached(event);
            }
        }
    }

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