01: /******************************************************************************
02: * JBoss, a division of Red Hat *
03: * Copyright 2006, Red Hat Middleware, LLC, and individual *
04: * contributors as indicated by the @authors tag. See the *
05: * copyright.txt in the distribution for a full listing of *
06: * individual contributors. *
07: * *
08: * This is free software; you can redistribute it and/or modify it *
09: * under the terms of the GNU Lesser General Public License as *
10: * published by the Free Software Foundation; either version 2.1 of *
11: * the License, or (at your option) any later version. *
12: * *
13: * This software is distributed in the hope that it will be useful, *
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16: * Lesser General Public License for more details. *
17: * *
18: * You should have received a copy of the GNU Lesser General Public *
19: * License along with this software; if not, write to the Free *
20: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
21: * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
22: ******************************************************************************/package org.jboss.portal.theme.impl.render.dynamic;
23:
24: import org.jboss.portal.theme.render.AbstractObjectRenderer;
25: import org.jboss.portal.theme.render.RenderException;
26: import org.jboss.portal.theme.render.RendererContext;
27: import org.jboss.portal.theme.render.renderer.PortletRenderer;
28: import org.jboss.portal.theme.render.renderer.PortletRendererContext;
29:
30: import java.io.PrintWriter;
31:
32: /**
33: * Implementation of a drag and drop Portlet renderer.
34: *
35: * @author <a href="mailto:tomasz.szymanski@jboss.com">Tomasz Szymanski</a>
36: * @author <a href="mailto:roy@jboss.org">Roy Russo</a>
37: * @version $LastChangedRevision: 8784 $, $LastChangedDate: 2007-10-27 19:01:46 -0400 (Sat, 27 Oct 2007) $
38: * @see org.jboss.portal.theme.render.renderer.PortletRenderer
39: */
40: public class DynaPortletRenderer extends AbstractObjectRenderer
41: implements PortletRenderer {
42:
43: private PortletRenderer delegate;
44:
45: public DynaPortletRenderer(PortletRenderer portletRenderer)
46: throws InstantiationException, IllegalAccessException,
47: ClassNotFoundException {
48: super ();
49: delegate = portletRenderer;
50: }
51:
52: public void render(RendererContext rendererContext,
53: PortletRendererContext prc) throws RenderException {
54: doDND(rendererContext, prc);
55: }
56:
57: private void doDND(RendererContext rendererContext,
58: PortletRendererContext prc) throws RenderException {
59: DynaRenderOptions options = (DynaRenderOptions) rendererContext
60: .getAttribute(DynaConstants.RENDER_OPTIONS);
61:
62: //
63: if (!DynaRenderOptions.NO_AJAX.equals(options)) {
64: if (options.isDnDEnabled()
65: && !Boolean.TRUE
66: .equals(DynaWindowRenderer.handleProvided
67: .get())) {
68: //
69: DynaWindowRenderer.handleProvided.set(Boolean.TRUE);
70:
71: //
72: PrintWriter out = rendererContext.getWriter();
73:
74: //
75: out.print("<div class=\"dnd-handle\">");
76:
77: //
78: doCatchClicks(rendererContext, prc);
79:
80: //
81: out.print("</div>");
82: } else {
83: doCatchClicks(rendererContext, prc);
84: }
85: } else {
86: delegate.render(rendererContext, prc);
87: }
88: }
89:
90: private void doCatchClicks(RendererContext rendererContext,
91: PortletRendererContext prc) throws RenderException {
92: PrintWriter out = rendererContext.getWriter();
93: out.print("<div class=\"dyna-portlet\">");
94: delegate.render(rendererContext, prc);
95: out.print("</div>");
96: }
97: }
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