venice-main-classic/scripts/conf/post_message.js

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JavaScript
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// The contents of this file are subject to the Mozilla Public License Version 1.1
// (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
//
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
// WARRANTY OF ANY KIND, either express or implied. See the License for the specific
// language governing rights and limitations under the License.
//
// The Original Code is the Venice Web Communities System.
//
// The Initial Developer of the Original Code is Eric J. Bowersox <erbo@users.sf.net>,
// for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
// Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
//
// Contributor(s):
importPackage(java.util);
importPackage(Packages.com.silverwrist.venice.core);
importPackage(Packages.com.silverwrist.venice.except);
importPackage(Packages.com.silverwrist.venice.htmlcheck);
importPackage(Packages.com.silverwrist.venice.ui);
importPackage(Packages.com.silverwrist.venice.ui.conf);
importPackage(Packages.com.silverwrist.venice.ui.helpers);
importPackage(Packages.com.silverwrist.venice.ui.view);
// get the request object and the community
rinput = bsf.lookupBean("request");
comm = rinput.getCommunity(true,"top.js.vs");
// get the current conference
currc = new CurrentConference(rinput);
conf = currc.getConference(true,"conf/conferences.js.vs?cc=" + comm.communityID);
// get the current topic
topic = currc.getTopic(true,"conf/topics.js.vs?cc=" + comm.communityID + "&conf=" + conf.confID);
on_error = "conf/posts.js.vs?cc=" + comm.communityID + "&conf=" + conf.confID + "&top=" + topic.topicNumber;
if (rinput.isImageButtonClicked("cancel"))
{ // cancelling - go back where we came from
vlib.output(new Redirect(on_error,LinkTypes.SERVLET));
vlib.done();
} // end if
// get the current post number
post_num = rinput.getParameterInt("sd",-1);
if (post_num<0)
{ // this value is critical for slippage detection - we must have it
vlib.output(new ErrorBox(null,"Invalid parameter.",on_error));
vlib.done();
} // end if
// get the raw post data
raw_postdata = rinput.getParameter("pb");
if (raw_postdata==null)
raw_postdata = "";
if (rinput.isImageButtonClicked("preview"))
{ // generate a preview! start by passing all the data through the HTML checker as needed
try
{ // escape the pseud
checker = rinput.engine.getEscapingChecker();
checker.append(rinput.getParameter("pseud"));
checker.finish();
rinput.setRequestAttribute("postbox.pseud",checker.getValue());
// escape the data
checker.reset();
checker.append(raw_postdata);
checker.finish();
rinput.setRequestAttribute("postbox.data",checker.getValue());
// run the preview
checker = topic.getPreviewChecker();
checker.append(raw_postdata);
checker.finish();
rinput.setRequestAttribute("preview.text",checker.getValue());
rinput.setRequestAttribute("preview.num_errors",new java.lang.Integer(checker.getCounter("spelling")));
} // end try
catch (e)
{ // watch out for spurious HTMLCheckerExceptions
etype = vlib.exceptionType(e) + "";
if (etype.match("HTMLCheckerException"))
throw new InternalStateError("spurious HTMLCheckerException thrown");
else
throw new InternalStateError("unknown exception thrown in post_message.js preview: " + e);
} // end catch
// save off any additional parameters we need
tmp = rinput.getParameter("next");
if (tmp!=null)
rinput.setRequestAttribute("postbox.hidden.next",tmp);
rinput.setRequestAttribute("postbox.hidden.sd",post_num + "");
tmp = rinput.getParameter("attach");
if (!(vlib.emptyString(tmp)))
rinput.setRequestAttribute("postbox.attach","Y");
tmp = rinput.getParameter("slip");
if (!(vlib.emptyString(tmp)))
rinput.setRequestAttribute("postbox.hidden.slip","Y");
// create a JSPView for the preview and output it
view = new JSPView("Previewing Message","conf/preview.jsp");
view.menuSelector = Content.MENU_SELECTOR_COMMUNITY;
vlib.output(view);
vlib.done();
} // end if
if (!(rinput.isImageButtonClicked("post") || rinput.isImageButtonClicked("postnext")
|| rinput.isImageButtonClicked("posttopics")))
{ // one of the three POST buttons MUST have been checked!
logger.error("no known button click on POST to conf/post_message.js");
vlib.output(new ErrorBox("Internal Error","Unknown command button pressed",on_error));
vlib.done();
} // end if
if (post_num!=topic.getTotalMessages())
{ // slippage detected! generate parameters for the Slippage view
rc = null;
try
{ // get the list of messages associated with the slippage
rinput.setRequestAttribute("slippage.messages",topic.getMessages(post_num,topic.totalMessages-1));
// generate the topic stem
aliases = conf.aliases;
rinput.setRequestAttribute("slippage.topic_stem",
aliases.get(0).toString() + "." + topic.topicNumber + ".");
// escape the pseud
checker = rinput.engine.getEscapingChecker();
checker.append(rinput.getParameter("pseud"));
checker.finish();
rinput.setRequestAttribute("postbox.pseud",checker.getValue());
// escape the data
checker.reset();
checker.append(raw_postdata);
checker.finish();
rinput.setRequestAttribute("postbox.data",checker.getValue());
// save off any additional parameters we need
tmp = rinput.getParameter("next");
if (tmp!=null)
rinput.setRequestAttribute("postbox.hidden.next",tmp);
rinput.setRequestAttribute("postbox.hidden.sd",topic.totalMessages + "");
tmp = rinput.getParameter("attach");
if (!(vlib.emptyString(tmp)))
rinput.setRequestAttribute("postbox.attach","Y");
// create the slippage view
rc = new JSPView("Slippage or Double-Click Detected","conf/slippage.jsp");
rc.menuSelector = Content.MENU_SELECTOR_COMMUNITY;
} // end try
catch (e)
{ // handle an exception generating the slippage view
etype = vlib.exceptionType(e) + "";
if (etype.match("HTMLCheckerException"))
throw new InternalStateError("spurious HTMLCheckerException thrown");
else if (etype.match("DataException"))
rc = new ErrorBox("Database Error","Database error generating slippage view: " + e.message,on_error);
else if (etype.match("AccessError"))
rc = new ErrorBox("Access Error",e.message,on_error);
else
rc = e;
} // end catch
vlib.output(rc);
vlib.done();
} // end if
rc = null;
try
{ // actually post the darn thing!
msg = topic.postNewMessage(0,rinput.getParameter("pseud"),raw_postdata);
// If there was no slippage, make sure we mark the new post as "read."
if (!(rinput.hasParameter("slip")))
topic.fixSeen();
// Where do we want to go now?
tmp = "";
if (rinput.isImageButtonClicked("posttopics"))
tmp = "conf/topics.js.vs?cc=" + comm.communityID + "&conf=" + conf.confID;
else
{ // find the topic number to go to next and compute the new URL
my_topicnum = -1;
if (rinput.isImageButtonClicked("postnext"))
my_topicnum = rinput.getParameterShort("next",topic.topicNumber);
else
my_topicnum = topic.topicNumber;
tmp = "conf/posts.js.vs?cc=" + comm.communityID + "&conf=" + conf.confID + "&top=" + my_topicnum
+ "&rnm=1";
} // end else
if (vlib.emptyString(rinput.getParameter("attach")))
rc = new Redirect(tmp,LinkTypes.SERVLET); // bounce straight to our new view!
else
{ // we need to display the attachment form
rinput.setRequestAttribute("attachment.postid",msg.postID + "");
rinput.setRequestAttribute("attachment.target",tmp);
rc = new JSPView("Upload Attachment","conf/attachment.jsp");
rc.menuSelector = Content.MENU_SELECTOR_COMMUNITY;
} // end else
} // end try
catch (e)
{ // handle an error in doing the post
etype = vlib.exceptionType(e) + "";
if (etype.match("DataException"))
rc = new ErrorBox("Database Error","Database error posting message: " + e.message,on_error);
else if (etype.match("AccessError"))
rc = new ErrorBox("Access Error",e.message,on_error);
else
rc = e;
} // end catch
vlib.output(rc); // all done!