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package com.earth2me.essentials.textreader;
import static com.earth2me.essentials.I18n._;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.bukkit.command.CommandSender;
public class TextPager
{
private final transient IText text;
private final transient boolean showHeader;
public TextPager(final IText text)
{
this(text, true);
}
public TextPager(final IText text, final boolean showHeader)
{
this.text = text;
this.showHeader = showHeader;
}
public void showPage(final String pageStr, final String chapterPageStr, final CommandSender sender)
{
List<String> lines = text.getLines();
List<String> chapters = text.getChapters();
Map<String, Integer> bookmarks = text.getBookmarks();
if (bookmarks.isEmpty())
{
int page = 1;
try
{
page = Integer.parseInt(pageStr);
}
catch (Exception ex)
{
page = 1;
}
int start = (page - 1) * 9;
if (showHeader)
{
int pages = lines.size() / 9 + (lines.size() % 9 > 0 ? 1 : 0);
sender.sendMessage(_("infoPages", page, pages));
}
for (int i = start; i < lines.size() && i < start + 9; i++)
{
sender.sendMessage(lines.get(i));
}
return;
}
if (pageStr == null || pageStr.isEmpty() || pageStr.matches("[0-9]+"))
{
if (lines.get(0).startsWith("#"))
{
if (!showHeader)
{
return;
}
sender.sendMessage(_("infoChapter"));
final StringBuilder sb = new StringBuilder();
boolean first = true;
for (String string : chapters)
{
if (!first)
{
sb.append(", ");
}
first = false;
sb.append(string);
}
sender.sendMessage(sb.toString());
return;
}
else
{
int page = 1;
try
{
page = Integer.parseInt(pageStr);
}
catch (Exception ex)
{
page = 1;
}
int start = (page - 1) * 9;
int end;
for (end = 0; end < lines.size(); end++)
{
String line = lines.get(end);
if (line.startsWith("#"))
{
break;
}
}
if (showHeader)
{
int pages = end / 9 + (end % 9 > 0 ? 1 : 0);
sender.sendMessage(_("infoPages", page, pages));
}
for (int i = start; i < end && i < start + 9; i++)
{
sender.sendMessage(lines.get(i));
}
return;
}
}
int chapterpage = 0;
if (chapterPageStr != null)
{
try
{
chapterpage = Integer.parseInt(chapterPageStr) - 1;
}
catch (Exception ex)
{
chapterpage = 0;
}
}
if (!bookmarks.containsKey(pageStr.toLowerCase(Locale.ENGLISH)))
{
sender.sendMessage(_("infoUnknownChapter"));
return;
}
final int chapterstart = bookmarks.get(pageStr.toLowerCase(Locale.ENGLISH)) + 1;
int chapterend;
for (chapterend = chapterstart; chapterend < lines.size(); chapterend++)
{
final String line = lines.get(chapterend);
if (line.length() > 0 && line.charAt(0) == '#')
{
break;
}
}
final int start = chapterstart + chapterpage * 9;
if (showHeader)
{
final int page = chapterpage + 1;
final int pages = (chapterend - chapterstart) / 9 + ((chapterend - chapterstart) % 9 > 0 ? 1 : 0);
sender.sendMessage(_("infoChapterPages", pageStr, page, pages));
}
for (int i = start; i < chapterend && i < start + 9; i++)
{
sender.sendMessage(lines.get(i));
}
}
}
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