/**
* number of items that shop will buy or sell & is legal or can buy illegal
*
* @param showIllegal
* @return
*/
public int getShopSize(boolean showIllegal) {
int num = priceList.size();
for (PriceListItem i : priceList) {
if ((i.buy < 0 && i.sell < 0) || !(showIllegal || i.IsLegal())) {
--num;
}
}
return num;
}
/**
* @param pageNum zero-indexed page to get
* @param pageSize size of an output page
* @param showIllegal whether to count illegal items
* @return
*/
public int getShopPageStart(int pageNum, int pageSize, boolean showIllegal) {
if (pageSize <= 0) {
pageSize = 1;
}
int num = 0, showNum = 0;
for (PriceListItem i : priceList) {
if (!((i.buy < 0 && i.sell < 0) || !(showIllegal || i.IsLegal()))) {
if (showNum / pageSize == pageNum) {
break;
}
++showNum;
}
++num;
}
return num;
}
/**
* returns a page of prices
*
* @param pageNum page to lookup (-1 will print all pages)
* @param isPlayer if should use minecraft font spacing
* @param pageSize how many on a page
* @param listing format to output listing with
* @param header page header (<page> of <pages>)
* @param footer page footer
* @param showIllegal whether illegal items should be included in the listing
* @param showDec whether to round to whole numbers or show 2 decimal places
* @param stock what to use for stock, if applicable
* @param discount percentage to mark the price down
* @return a list of formatted lines
* @throws SQLException if using MySQL database & there was some database connection error
* @throws Exception some serious error occurred (details in message)
*/
public List<String> getShopListPage(
int pageNum,
boolean isPlayer,
int pageSize,
String listing,
String header,
String footer,
boolean showIllegal,
boolean showDec,
ItemStock stock,
double discount)
throws SQLException, Exception {
LinkedList<String> ret = new LinkedList<String>();
if (databaseType == DBType.MYSQL && !useCache) {
updateCache(false); // manually update
} else {
updateCache();
}
int pricelistsize = getShopSize(showIllegal); // priceList.size();
int pages = (int) Math.ceil((double) pricelistsize / pageSize);
int pageStart;
if (pageNum <= 0) {
// pageNum = 1;
pageStart = 0;
pageSize = pricelistsize;
} else {
pageStart = getShopPageStart(pageNum - 1, pageSize, showIllegal);
}
String listhead =
header == null || header.length() == 0
? ""
: header
.replace("<page>", pageNum < 0 ? "(All)" : String.valueOf(pageNum))
.replace("<pages>", String.valueOf(pages));
if (pageNum > pages) {
ret.add("There is no page " + pageNum + ". (" + pages + " pages total)");
} else {
if (listhead.length() > 0) {
ret.add(String.format(listhead, pageNum, pages));
}
listing =
listing
.replace("<item>", "%1$s")
.replace("<buyprice>", "%2$s")
.replace("<sellprice>", "%3$s")
.replace("<avail>", "%4$s");
/// for (int i = pageSize * (pageNum - 1), n = 0; n < pageSize && i < priceList.size(); ++i,
// ++n) {
for (int i = pageStart, n = 0; n < pageSize && i < priceList.size(); ++i, ++n) {
PriceListItem it = priceList.get(i);
if ((!showIllegal && !it.IsLegal()) || (it.buy < 0 && it.sell < 0)) {
--n;
continue;
}
long st = stock != null ? stock.getItemAmount(it) : -1;
double buy = it.buy, sell = it.sell;
if (discount != 0) {
buy -= buy * discount;
sell -= sell * discount;
}
ret.add(
String.format(
listing,
it.coloredName(),
String.format(
"%5s",
buy < 0
? " No "
: (showDec
? String.format("%01.2f", buy)
: String.valueOf((int) Math.round(buy)))),
String.format(
"%5s",
sell < 0
? " No "
: (showDec
? String.format("%01.2f", sell)
: String.valueOf((int) Math.round(sell)))),
(st < 0 ? "INF" : String.valueOf(st))));
}
if (footer != null && footer.length() > 0) {
ret.add(footer);
}
}
if (ret.size() > 2) {
// format spaces
return MinecraftChatStr.alignTags(ret, isPlayer);
}
return ret;
}
