// Method returns the elements to go inside the progress div
public String getProgressDivContent(User theUser, HttpSession session) {
StringBuffer progress_bar = new StringBuffer("");
Hashtable completed_pages = theUser.get_completed_pages();
// get the interviewer if it is on the interview status
Interviewer intv = (Interviewer) session.getAttribute("INTERVIEWER");
// Interviewer can always browse any pages
if (intv != null) theUser.currentSurvey.allow_goback = true;
if (theUser.currentSurvey.allow_goback)
progress_bar.append(theUser.currentSurvey.print_progress(theUser.currentPage));
else
progress_bar.append(
theUser.currentSurvey.print_progress(theUser.currentPage, completed_pages));
return progress_bar.toString();
}
public void service(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
// prepare for writing
PrintWriter out;
res.setContentType("text/html");
out = res.getWriter();
HttpSession session = req.getSession(true);
// Surveyor_Application s =
// (Surveyor_Application)session.getAttribute("SurveyorInst");
// if session is new, then show the session expired info
if (session.isNew()) {
res.sendRedirect(SurveyorApplication.shared_file_url + "error" + WISEApplication.html_ext);
return;
}
// get the user from session
User theUser = (User) session.getAttribute("USER");
if (theUser == null) {
out.println("<p>Error: Can't find the user info.</p>");
return;
}
// check if it is an interview process
Interviewer inv = (Interviewer) session.getAttribute("INTERVIEWER");
if (inv != null) {
// get the current page
String pageid = req.getParameter("p");
// set the current page
theUser.currentPage = theUser.currentSurvey.get_page(pageid);
}
/*
* //get the output string of the current page String p_output =
* theUser.currentPage.render_page(theUser);
*
* // display the current page only if it returns output
* if(p_output!=null && !p_output.equalsIgnoreCase("")) {
* out.println("<html><head>" + "<link rel='stylesheet' href="+
* "'styleRender?css=style.css' type='text/css'>\n"+
* "<script type='text/javascript' language='JavaScript1.1' src='"+
* Surveyor_Application.shared_file_url +"survey.js'></script>" +
* "<script type='text/javascript' src='"
* +Surveyor_Application.shared_file_url
* +"jquery-1.7.1.min.js'></script>"); out.println(p_output); } //
* otherwise, skip the current page else { //redirect to the next page
* by outputting hidden field values and running JS submit()
* out.println("<html>"); out.println("<head></head>");
* out.println("<body>");
* out.println("<form name='mainform' method='post' action='readform'>"
* ); out.println("<input type='hidden' name='action' value=''>"); if (
* (theUser.currentSurvey.is_last_page(theUser.currentPage.id)) ||
* (theUser.currentPage.final_page) )
* out.println("<input type='hidden' name='nextPage' value='DONE'>");
* else { //if the id of the next page is not set in the survey xml file
* (with value=NONE), //then get its id from the page hash table in the
* survey class. if (
* theUser.currentPage.next_page.equalsIgnoreCase("NONE"))
* out.println("<input type='hidden' name='nextPage' value='"+
* theUser.currentSurvey.next_page(theUser.currentPage.id).id+"'>");
* else //otherwise, assign the page id directly to the form
* out.println("<input type='hidden' name='nextPage' value='"+
* theUser.currentPage.next_page+"'>"); } out.println("</form>");
* out.println
* ("<script LANGUAGE='JavaScript1.1'>document.mainform.submit();</script>"
* ); out.println("</body></html>"); } out.close();
*/
// Pralav code for printing page
StringBuffer html_content = new StringBuffer("");
// html_content.append("<!DOCTYPE html>");
html_content.append(
"<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/strict.dtd'>");
html_content.append("<html>");
html_content.append("<head>");
html_content.append("<title>Web-based Interactive Survey Environment (WISE)</title>");
html_content.append(
"<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>"
+ "<script type='text/javascript' language='javascript' src='"
+ SurveyorApplication.shared_file_url
+ "main.js'></script>"
+ "<script type='text/javascript' language='javascript' SRC='"
+ SurveyorApplication.shared_file_url
+ "survey.js'></script>"
+ "<script type='text/javascript' language='javascript'>"
+ " top.fieldVals = null;"
+ " top.requiredFields = null;"
+ " var userId = "
+ theUser.id
+ ";"
+ "</script>");
html_content.append("<link type='text/css' href='styleRender?css=style.css' rel='stylesheet'>");
html_content.append("</head>");
html_content.append("<body onload='javascript: setFields();check_preconditions();'>");
html_content.append("<div id = 'progress_bar'>");
html_content.append(getProgressDivContent(theUser, session));
html_content.append("</div>");
html_content.append("<div id='content'>");
html_content.append(getPageHTML(theUser));
html_content.append("</div>");
html_content.append("<div class='modal'><!-- Place at bottom of page --></div>");
html_content.append("</body>");
html_content.append("</html>");
out.println(html_content.toString());
}