public String getTimeDifference(long timeMillis) {
long difference = Math.round((System.currentTimeMillis() - timeMillis) / 1000.0d); // In seconds
// These constants are calculated to take rounding into effect, and try to give a fairly
// accurate representation of the time difference using words.
String descrip = "";
if (difference < 45) {
descrip = messageLocator.getMessage("simplepage.seconds");
} else if (difference < 90) {
descrip = messageLocator.getMessage("simplepage.one_min");
} else if (difference < 3570) { // 2 mins --> 59 mins
long minutes = Math.max(2, Math.round(difference / 60.0d));
descrip =
messageLocator.getMessage("simplepage.x_min").replace("{}", String.valueOf(minutes));
} else if (difference < 7170) {
descrip = messageLocator.getMessage("simplepage.one_hour");
} else if (difference < 84600) { // 2 hours --> 23 hours
long hours = Math.max(2, Math.round(difference / 3600.0d));
descrip = messageLocator.getMessage("simplepage.x_hour").replace("{}", String.valueOf(hours));
} else if (difference < 129600) {
descrip = messageLocator.getMessage("simplepage.one_day");
} else if (difference < 2548800) { // 2 days --> 29 days
long days = Math.max(2, Math.round(difference / 86400.0d));
descrip = messageLocator.getMessage("simplepage.x_day").replace("{}", String.valueOf(days));
} else if (difference < 3888000) {
descrip = messageLocator.getMessage("simplepage.one_month");
} else if (difference < 29808000) { // 2 months --> 11 months
long months = Math.max(2, Math.round(difference / 2592000.0d));
descrip =
messageLocator.getMessage("simplepage.x_month").replace("{}", String.valueOf(months));
} else if (difference < 47304000) {
descrip = messageLocator.getMessage("simplepage.one_year");
} else { // 2+ years
long years = Math.max(2, Math.round(difference / 31536000.0d));
descrip = messageLocator.getMessage("simplepage.x_year").replace("{}", String.valueOf(years));
}
Date d = new Date(timeMillis);
Date now = new Date();
Calendar cpost = Calendar.getInstance(TimeService.getLocalTimeZone(), M_locale);
Calendar cnow = Calendar.getInstance(TimeService.getLocalTimeZone(), M_locale);
cpost.setTime(d);
cnow.setTime(now);
if (cpost.get(Calendar.MONTH) == cnow.get(Calendar.MONTH)
&& cpost.get(Calendar.DATE) == cnow.get(Calendar.DATE)
&& cpost.get(Calendar.YEAR) == cnow.get(Calendar.YEAR)) {
return dfTime.format(d) + " (" + descrip + ")";
} else if (d.getYear() == now.getYear()) {
return dfDate.format(d) + " (" + descrip + ")";
} else {
return dfDate.format(d) + " (" + descrip + ")";
}
}
public String formatDateTime(Date date, HttpServletRequest request) {
if (date == null) {
return "unkown-date";
}
ResourceLoader rl = new ResourceLoader();
DateFormat formatter =
DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, rl.getLocale());
formatter.setTimeZone(TimeService.getLocalTimeZone());
return formatter.format(date);
}
public void fillComponents(
UIContainer tofill, ViewParameters viewparams, ComponentChecker checker) {
CommentsViewParameters params = (CommentsViewParameters) viewparams;
filter = params.filter;
// set up locale
String langLoc[] = localeGetter.get().toString().split("_");
if (langLoc.length >= 2) {
if ("en".equals(langLoc[0]) && "ZA".equals(langLoc[1])) {
M_locale = new Locale("en", "GB");
} else {
M_locale = new Locale(langLoc[0], langLoc[1]);
}
} else {
M_locale = new Locale(langLoc[0]);
}
df =
DateFormat.getDateTimeInstance(
DateFormat.DEFAULT, DateFormat.DEFAULT, new ResourceLoader().getLocale());
df.setTimeZone(TimeService.getLocalTimeZone());
dfTime = DateFormat.getTimeInstance(DateFormat.SHORT, M_locale);
dfTime.setTimeZone(TimeService.getLocalTimeZone());
dfDate = DateFormat.getDateInstance(DateFormat.MEDIUM, M_locale);
dfDate.setTimeZone(TimeService.getLocalTimeZone());
// errors redirect back to ShowPage. But if this is embedded in the page, ShowPage
// will call us again. This is very hard for the user to recover from. So trap
// all possible errors. It may result in an incomplete page or something invalid,
// but better that than an infinite recursion.
try {
SimplePage currentPage = simplePageToolDao.getPage(params.pageId);
simplePageBean.setCurrentSiteId(params.siteId);
simplePageBean.setCurrentPage(currentPage);
simplePageBean.setCurrentPageId(params.pageId);
UIOutput.make(tofill, "mainlist")
.decorate(
new UIFreeAttributeDecorator(
"aria-label", messageLocator.getMessage("simplepage.comments-section")));
SimplePageItem commentsItem = simplePageToolDao.findItem(params.itemId);
if (commentsItem != null
&& commentsItem.getSakaiId() != null
&& !commentsItem.getSakaiId().equals("")) {
SimpleStudentPage studentPage =
simplePageToolDao.findStudentPage(Long.valueOf(commentsItem.getSakaiId()));
if (studentPage != null) {
owner = studentPage.getOwner();
}
}
if (params.deleteComment != null) {
simplePageBean.deleteComment(params.deleteComment);
}
List<SimplePageComment> comments;
if (!filter && !params.studentContentItem) {
comments = (List<SimplePageComment>) simplePageToolDao.findComments(params.itemId);
} else if (filter && !params.studentContentItem) {
comments =
(List<SimplePageComment>)
simplePageToolDao.findCommentsOnItemByAuthor(params.itemId, params.author);
} else if (filter && params.studentContentItem) {
List<SimpleStudentPage> studentPages = simplePageToolDao.findStudentPages(params.itemId);
Site site = SiteService.getSite(currentPage.getSiteId());
itemToPageowner = new HashMap<Long, String>();
List<Long> commentsItemIds = new ArrayList<Long>();
for (SimpleStudentPage p : studentPages) {
// If the page is deleted, don't show the comments
if (!p.isDeleted()) {
commentsItemIds.add(p.getCommentsSection());
String pageOwner = p.getOwner();
String pageGroup = p.getGroup();
if (pageGroup != null) pageOwner = pageGroup;
try {
String o = null;
if (pageGroup != null) o = site.getGroup(pageGroup).getTitle();
else o = UserDirectoryService.getUser(pageOwner).getDisplayName();
if (o != null) pageOwner = o;
} catch (Exception ignore) {
}
;
itemToPageowner.put(p.getCommentsSection(), pageOwner);
}
}
comments = simplePageToolDao.findCommentsOnItemsByAuthor(commentsItemIds, params.author);
} else {
List<SimpleStudentPage> studentPages = simplePageToolDao.findStudentPages(params.itemId);
List<Long> commentsItemIds = new ArrayList<Long>();
for (SimpleStudentPage p : studentPages) {
commentsItemIds.add(p.getCommentsSection());
}
comments = simplePageToolDao.findCommentsOnItems(commentsItemIds);
}
// Make sure everything is chronological
Collections.sort(
comments,
new Comparator<SimplePageComment>() {
public int compare(SimplePageComment c1, SimplePageComment c2) {
if (itemToPageowner != null) {
String o1 = itemToPageowner.get(c1.getItemId());
String o2 = itemToPageowner.get(c2.getItemId());
if (o1 != o2) {
if (o1 == null) return 1;
return o1.compareTo(o2);
}
}
return c1.getTimePosted().compareTo(c2.getTimePosted());
}
});
currentUserId = UserDirectoryService.getCurrentUser().getId();
boolean anonymous = simplePageBean.findItem(params.itemId).isAnonymous();
if (anonymous) {
int i = 1;
for (SimplePageComment comment : comments) {
if (!anonymousLookup.containsKey(comment.getAuthor())) {
anonymousLookup.put(
comment.getAuthor(), messageLocator.getMessage("simplepage.anonymous") + " " + i);
i++;
}
}
}
boolean highlighted = false;
// We don't want page owners to edit or grade comments on their page
// at the moment. Perhaps add option?
canEditPage = simplePageBean.getEditPrivs() == 0;
boolean showGradingMessage =
canEditPage && commentsItem.getGradebookId() != null && !params.filter;
Date lastViewed = null; // remains null if never viewed before
SimplePageLogEntry log = simplePageBean.getLogEntry(params.itemId);
if (log != null) lastViewed = log.getLastViewed();
int newItems = 0;
// Remove any "phantom" comments. So that the anonymous order stays the same,
// comments are deleted by removing all content. Also check to see if any comments
// have been graded yet. Finally, if we're filtering, it takes out comments not by
// this author.
for (int i = comments.size() - 1; i >= 0; i--) {
if (comments.get(i).getComment() == null || comments.get(i).getComment().equals("")) {
comments.remove(i);
} else if (params.filter && !comments.get(i).getAuthor().equals(params.author)) {
comments.remove(i);
} else {
if (showGradingMessage && comments.get(i).getPoints() != null) showGradingMessage = false;
if (lastViewed == null) newItems++; // all items are new if never viewed
else if (comments.get(i).getTimePosted().after(lastViewed)) newItems++;
}
}
// update date only if we actually are going to see all the comments, and it's
// not a weird view (i.e. filter is on)
// The situation with items <= 5 is actually dubious. The user has them on the
// screen, but there's no way to know whether he's actually seen them. Some users
// are going to be surprised either way we do it.
if (params.showAllComments || params.showNewComments || (!params.filter && newItems <= 5)) {
if (log != null) {
simplePageBean.update(log);
} else {
log = simplePageToolDao.makeLogEntry(currentUserId, params.itemId, null);
simplePageBean.saveItem(log);
}
}
// Make sure we don't show the grading message if there's nothing to grade.
if (comments.size() == 0) {
showGradingMessage = false;
}
boolean editable = false;
if (comments.size() <= 5 || params.showAllComments || params.filter) {
for (int i = 0; i < comments.size(); i++) {
// We don't want them editing on the grading screen, which is why we also check filter.
boolean canEdit =
simplePageBean.canModifyComment(comments.get(i), canEditPage) && !params.filter;
printComment(
comments.get(i),
tofill,
(params.postedComment == comments.get(i).getId()),
anonymous,
canEdit,
params,
commentsItem,
currentPage);
if (!highlighted) {
highlighted = (params.postedComment == comments.get(i).getId());
}
if (!editable) editable = canEdit;
}
} else {
UIBranchContainer container = UIBranchContainer.make(tofill, "commentList:");
UIOutput.make(container, "commentDiv");
// UIBranchContainer container = UIBranchContainer.make(tofill, "commentDiv:");
CommentsViewParameters eParams = new CommentsViewParameters(VIEW_ID);
eParams.placementId = params.placementId;
eParams.itemId = params.itemId;
eParams.showAllComments = true;
eParams.showNewComments = false;
eParams.pageId = params.pageId;
eParams.siteId = params.siteId;
UIInternalLink.make(container, "to-load", eParams);
UIOutput.make(
container,
"load-more-link",
messageLocator
.getMessage("simplepage.see_all_comments")
.replace("{}", Integer.toString(comments.size())));
if (!params.showNewComments && newItems > 5) {
container = UIBranchContainer.make(tofill, "commentList:");
UIOutput.make(container, "commentDiv");
// UIBranchContainer container = UIBranchContainer.make(tofill, "commentDiv:");
eParams = new CommentsViewParameters(VIEW_ID);
eParams.placementId = params.placementId;
eParams.itemId = params.itemId;
eParams.showAllComments = false;
eParams.showNewComments = true;
eParams.pageId = params.pageId;
eParams.siteId = params.siteId;
UIInternalLink.make(container, "to-load", eParams);
UIOutput.make(
container,
"load-more-link",
messageLocator
.getMessage("simplepage.see_new_comments")
.replace("{}", Integer.toString(newItems)));
}
int start = comments.size() - 5;
if (params.showNewComments) start = 0;
// Show 5 most recent comments
for (int i = start; i < comments.size(); i++) {
if (!params.showNewComments
|| lastViewed == null
|| comments.get(i).getTimePosted().after(lastViewed)) {
boolean canEdit = simplePageBean.canModifyComment(comments.get(i), canEditPage);
printComment(
comments.get(i),
tofill,
(params.postedComment == comments.get(i).getId()),
anonymous,
canEdit,
params,
commentsItem,
currentPage);
if (!highlighted) {
highlighted = (params.postedComment == comments.get(i).getId());
}
if (!editable) editable = canEdit;
}
}
}
if (highlighted) {
// We have something to highlight
UIOutput.make(tofill, "highlightScript");
}
if (showGradingMessage) {
UIOutput.make(tofill, "gradingAlert");
}
if (anonymous && canEditPage && comments.size() > 0 && lastViewed == null) {
// Tells the admin that they can see the names, but everyone else can't
UIOutput.make(tofill, "anonymousAlert");
} else if (editable && simplePageBean.getEditPrivs() != 0) {
// Warns user that they only have 30 mins to edit.
UIOutput.make(tofill, "editAlert");
}
} catch (Exception e) {
e.printStackTrace();
System.out.println("comments error " + e);
}
;
}