package name change to net.ess3

EssentialsSigns/src/net/ess3/signs/EssentialsSign.java

@@ -0,0 +1,516 @@
+package net.ess3.signs;
+
+import net.ess3.api.ChargeException;
+import static net.ess3.I18n._;
+import net.ess3.economy.Trade;
+import net.ess3.utils.Util;
+import net.ess3.api.IEssentials;
+import net.ess3.api.IUser;
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.Set;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.Sign;
+import org.bukkit.entity.Player;
+import org.bukkit.event.block.SignChangeEvent;
+import org.bukkit.inventory.ItemStack;
+
+
+public class EssentialsSign
+{
+	private static final Set<Material> EMPTY_SET = new HashSet<Material>();
+	protected transient final String signName;
+	
+	public EssentialsSign(final String signName)
+	{
+		this.signName = signName;
+	}
+	
+	public final boolean onSignCreate(final SignChangeEvent event, final IEssentials ess)
+	{
+		final ISign sign = new EventSign(event);
+		final IUser user = ess.getUser(event.getPlayer());
+		if (!SignsPermissions.getCreatePermission(signName).isAuthorized(user))
+		{
+			// Return true, so other plugins can use the same sign title, just hope
+			// they won't change it to §1[Signname]
+			return true;
+		}
+		sign.setLine(0, _("signFormatFail", this.signName));
+		try
+		{
+			final boolean ret = onSignCreate(sign, user, getUsername(user), ess);
+			if (ret)
+			{
+				sign.setLine(0, getSuccessName());
+			}
+			return ret;
+		}
+		catch (ChargeException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		catch (SignException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		// Return true, so the player sees the wrong sign.
+		return true;
+	}
+	
+	public String getSuccessName()
+	{
+		return _("signFormatSuccess", this.signName);
+	}
+	
+	public String getTemplateName()
+	{
+		return _("signFormatTemplate", this.signName);
+	}
+	
+	private String getUsername(final IUser user)
+	{
+		return user.getName().substring(0, user.getName().length() > 13 ? 13 : user.getName().length());
+	}
+	
+	public final boolean onSignInteract(final Block block, final Player player, final IEssentials ess)
+	{
+		final ISign sign = new BlockSign(block);
+		final IUser user = ess.getUser(player);
+		try
+		{
+			return SignsPermissions.getUsePermission(signName).isAuthorized(user)
+				   && onSignInteract(sign, user, getUsername(user), ess);
+		}
+		catch (ChargeException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+			return false;
+		}
+		catch (SignException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+			return false;
+		}
+	}
+	
+	public final boolean onSignBreak(final Block block, final Player player, final IEssentials ess)
+	{
+		final ISign sign = new BlockSign(block);
+		final IUser user = ess.getUser(player);
+		try
+		{
+			return SignsPermissions.getBreakPermission(signName).isAuthorized(user)
+				   && onSignBreak(sign, user, getUsername(user), ess);
+		}
+		catch (SignException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+			return false;
+		}
+	}
+	
+	protected boolean onSignCreate(final ISign sign, final IUser player, final String username, final IEssentials ess) throws SignException, ChargeException
+	{
+		return true;
+	}
+	
+	protected boolean onSignInteract(final ISign sign, final IUser player, final String username, final IEssentials ess) throws SignException, ChargeException
+	{
+		return true;
+	}
+	
+	protected boolean onSignBreak(final ISign sign, final IUser player, final String username, final IEssentials ess) throws SignException
+	{
+		return true;
+	}
+	
+	public final boolean onBlockPlace(final Block block, final Player player, final IEssentials ess)
+	{
+		final IUser user = ess.getUser(player);
+		try
+		{
+			return onBlockPlace(block, user, getUsername(user), ess);
+		}
+		catch (ChargeException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		catch (SignException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		return false;
+	}
+	
+	public final boolean onBlockInteract(final Block block, final Player player, final IEssentials ess)
+	{
+		final IUser user = ess.getUser(player);
+		try
+		{
+			return onBlockInteract(block, user, getUsername(user), ess);
+		}
+		catch (ChargeException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		catch (SignException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		return false;
+	}
+	
+	public final boolean onBlockBreak(final Block block, final Player player, final IEssentials ess)
+	{
+		final IUser user = ess.getUser(player);
+		try
+		{
+			return onBlockBreak(block, user, getUsername(user), ess);
+		}
+		catch (SignException ex)
+		{
+			ess.getCommandHandler().showCommandError(user, signName, ex);
+		}
+		return false;
+	}
+	
+	public boolean onBlockBreak(final Block block, final IEssentials ess)
+	{
+		return true;
+	}
+	
+	public boolean onBlockExplode(final Block block, final IEssentials ess)
+	{
+		return true;
+	}
+	
+	public boolean onBlockBurn(final Block block, final IEssentials ess)
+	{
+		return true;
+	}
+	
+	public boolean onBlockIgnite(final Block block, final IEssentials ess)
+	{
+		return true;
+	}
+	
+	public boolean onBlockPush(final Block block, final IEssentials ess)
+	{
+		return true;
+	}
+	
+	public static boolean checkIfBlockBreaksSigns(final Block block)
+	{
+		final Block sign = block.getRelative(BlockFace.UP);
+		if (sign.getType() == Material.SIGN_POST && isValidSign(new BlockSign(sign)))
+		{
+			return true;
+		}
+		final BlockFace[] directions = new BlockFace[]
+		{
+			BlockFace.NORTH,
+			BlockFace.EAST,
+			BlockFace.SOUTH,
+			BlockFace.WEST
+		};
+		for (BlockFace blockFace : directions)
+		{
+			final Block signblock = block.getRelative(blockFace);
+			if (signblock.getType() == Material.WALL_SIGN)
+			{
+				final org.bukkit.material.Sign signMat = (org.bukkit.material.Sign)signblock.getState().getData();
+				if (signMat != null && signMat.getFacing() == blockFace && isValidSign(new BlockSign(signblock)))
+				{
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+	
+	public static boolean isValidSign(final ISign sign)
+	{
+		return sign.getLine(0).matches("§1\\[.*\\]");
+	}
+	
+	protected boolean onBlockPlace(final Block block, final IUser player, final String username, final IEssentials ess) throws SignException, ChargeException
+	{
+		return true;
+	}
+	
+	protected boolean onBlockInteract(final Block block, final IUser player, final String username, final IEssentials ess) throws SignException, ChargeException
+	{
+		return true;
+	}
+	
+	protected boolean onBlockBreak(final Block block, final IUser player, final String username, final IEssentials ess) throws SignException
+	{
+		return true;
+	}
+	
+	public Set<Material> getBlocks()
+	{
+		return EMPTY_SET;
+	}
+	
+	protected final void validateTrade(final ISign sign, final int index, final IEssentials ess) throws SignException
+	{
+		final String line = sign.getLine(index).trim();
+		if (line.isEmpty())
+		{
+			return;
+		}
+		final Trade trade = getTrade(sign, index, 0, ess);
+		final Double money = trade.getMoney();
+		if (money != null)
+		{
+			sign.setLine(index, Util.shortCurrency(money, ess));
+		}
+	}
+	
+	protected final void validateTrade(final ISign sign, final int amountIndex, final int itemIndex,
+									   final IUser player, final IEssentials ess) throws SignException
+	{
+		if (sign.getLine(itemIndex).equalsIgnoreCase("exp") || sign.getLine(itemIndex).equalsIgnoreCase("xp"))
+		{
+			int amount = getIntegerPositive(sign.getLine(amountIndex));
+			sign.setLine(amountIndex, Integer.toString(amount));
+			sign.setLine(itemIndex, "exp");
+			return;
+		}
+		final Trade trade = getTrade(sign, amountIndex, itemIndex, player, ess);
+		final ItemStack item = trade.getItemStack();
+		sign.setLine(amountIndex, Integer.toString(item.getAmount()));
+		sign.setLine(itemIndex, sign.getLine(itemIndex).trim());
+	}
+	
+	protected final Trade getTrade(final ISign sign, final int amountIndex, final int itemIndex,
+								   final IUser player, final IEssentials ess) throws SignException
+	{
+		if (sign.getLine(itemIndex).equalsIgnoreCase("exp") || sign.getLine(itemIndex).equalsIgnoreCase("xp"))
+		{
+			final int amount = getIntegerPositive(sign.getLine(amountIndex));
+			return new Trade(amount, ess);
+		}
+		final ItemStack item = getItemStack(sign.getLine(itemIndex), 1, ess);
+		final int amount = Math.min(getIntegerPositive(sign.getLine(amountIndex)), item.getType().getMaxStackSize() * player.getInventory().getSize());
+		if (item.getTypeId() == 0 || amount < 1)
+		{
+			throw new SignException(_("moreThanZero"));
+		}
+		item.setAmount(amount);
+		return new Trade(item, ess);
+	}
+	
+	protected final void validateInteger(final ISign sign, final int index) throws SignException
+	{
+		final String line = sign.getLine(index).trim();
+		if (line.isEmpty())
+		{
+			throw new SignException("Empty line " + index);
+		}
+		final int quantity = getIntegerPositive(line);
+		sign.setLine(index, Integer.toString(quantity));
+	}
+	
+	protected final int getIntegerPositive(final String line) throws SignException
+	{
+		final int quantity = getInteger(line);
+		if (quantity < 1)
+		{
+			throw new SignException(_("moreThanZero"));
+		}
+		return quantity;
+	}
+	
+	protected final int getInteger(final String line) throws SignException
+	{
+		try
+		{
+			final int quantity = Integer.parseInt(line);
+			
+			return quantity;
+		}
+		catch (NumberFormatException ex)
+		{
+			throw new SignException("Invalid sign", ex);
+		}
+	}
+	
+	protected final ItemStack getItemStack(final String itemName, final int quantity, final IEssentials ess) throws SignException
+	{
+		try
+		{
+			final ItemStack item = ess.getItemDb().get(itemName);
+			item.setAmount(quantity);
+			return item;
+		}
+		catch (Exception ex)
+		{
+			throw new SignException(ex.getMessage(), ex);
+		}
+	}
+	
+	protected final Double getMoney(final String line) throws SignException
+	{
+		final boolean isMoney = line.matches("^[^0-9-\\.][\\.0-9]+$");
+		return isMoney ? getDoublePositive(line.substring(1)) : null;
+	}
+	
+	protected final Double getDoublePositive(final String line) throws SignException
+	{
+		final double quantity = getDouble(line);
+		if (Math.round(quantity * 100.0) < 1.0)
+		{
+			throw new SignException(_("moreThanZero"));
+		}
+		return quantity;
+	}
+	
+	protected final Double getDouble(final String line) throws SignException
+	{
+		try
+		{
+			return Double.parseDouble(line);
+		}
+		catch (NumberFormatException ex)
+		{
+			throw new SignException(ex.getMessage(), ex);
+		}
+	}
+	
+	protected final Trade getTrade(final ISign sign, final int index, final IEssentials ess) throws SignException
+	{
+		return getTrade(sign, index, 1, ess);
+	}
+	
+	protected final Trade getTrade(final ISign sign, final int index, final int decrement, final IEssentials ess) throws SignException
+	{
+		final String line = sign.getLine(index).trim();
+		if (line.isEmpty())
+		{
+			return new Trade(signName.toLowerCase(Locale.ENGLISH) + "sign", ess);
+		}
+		
+		final Double money = getMoney(line);
+		if (money == null)
+		{
+			final String[] split = line.split("[ :]+", 2);
+			if (split.length != 2)
+			{
+				throw new SignException(_("invalidCharge"));
+			}
+			final int quantity = getIntegerPositive(split[0]);
+			
+			final String item = split[1].toLowerCase(Locale.ENGLISH);
+			if (item.equalsIgnoreCase("times"))
+			{
+				sign.setLine(index, (quantity - decrement) + " times");
+				return new Trade(signName.toLowerCase(Locale.ENGLISH) + "sign", ess);
+			}
+			else if (item.equalsIgnoreCase("exp") || item.equalsIgnoreCase("xp"))
+			{
+				sign.setLine(index, quantity + " exp");
+				return new Trade(quantity, ess);
+			}
+			else
+			{
+				final ItemStack stack = getItemStack(item, quantity, ess);
+				sign.setLine(index, quantity + " " + item);
+				return new Trade(stack, ess);
+			}
+		}
+		else
+		{
+			return new Trade(money, ess);
+		}
+	}
+	
+	
+	static class EventSign implements ISign
+	{
+		private final transient SignChangeEvent event;
+		private final transient Block block;
+		
+		public EventSign(final SignChangeEvent event)
+		{
+			this.event = event;
+			this.block = event.getBlock();
+		}
+		
+		@Override
+		public final String getLine(final int index)
+		{
+			return event.getLine(index);
+		}
+		
+		@Override
+		public final void setLine(final int index, final String text)
+		{
+			event.setLine(index, text);
+		}
+		
+		@Override
+		public Block getBlock()
+		{
+			return block;
+		}
+		
+		@Override
+		public void updateSign()
+		{
+		}
+	}
+	
+	
+	static class BlockSign implements ISign
+	{
+		private final transient Sign sign;
+		private final transient Block block;
+		
+		public BlockSign(final Block block)
+		{
+			this.block = block;
+			this.sign = (Sign)block.getState();
+		}
+		
+		@Override
+		public final String getLine(final int index)
+		{
+			return sign.getLine(index);
+		}
+		
+		@Override
+		public final void setLine(final int index, final String text)
+		{
+			sign.setLine(index, text);
+		}
+		
+		@Override
+		public final Block getBlock()
+		{
+			return block;
+		}
+		
+		@Override
+		public final void updateSign()
+		{
+			sign.update();
+		}
+	}
+	
+	
+	public interface ISign
+	{
+		String getLine(final int index);
+		
+		void setLine(final int index, final String text);
+		
+		public Block getBlock();
+		
+		void updateSign();
+	}
+}