Listener

package de.svdragster.supersign;

import net.canarymod.Canary;
import net.canarymod.api.world.blocks.Block;
import net.canarymod.api.world.blocks.BlockType;
import net.canarymod.api.world.blocks.ComplexBlock;
import net.canarymod.api.world.blocks.Sign;
import net.canarymod.chat.Colors;
import net.canarymod.hook.HookHandler;
import net.canarymod.hook.player.BlockLeftClickHook;
import net.canarymod.hook.player.BlockRightClickHook;
import net.canarymod.hook.player.SignChangeHook;
import net.canarymod.plugin.PluginListener;

public class SuperSignListener implements PluginListener {
    public static String FirstLine = "";
    public static String SecondLine = "";
    public static String ThirdLine = "";
    public static String FourthLine = "";
    public static final String PERMISSION_COPY = "supersign.copy";
    public static final String PERMISSION_RESTORE = "supersign.restore";
    public static final String PERMISSION_COLOR = "supersign.color";
    public static final String STRING_RESTORE = "%restore";
    public static boolean copysign = false;
    public static String[] copiedsign = {};

    public boolean CopySign() {
        if (copysign == false) {
            copysign = true;
            return true;
        } else if (copysign == true) {
            copysign = false;
            return false;
        } else {
            return false;
        }
    }

    public void SaveSign(Sign sign) {
        FirstLine = sign.getTextOnLine(0);
        SecondLine = sign.getTextOnLine(1);
        ThirdLine = sign.getTextOnLine(2);
        FourthLine = sign.getTextOnLine(3);
    }

    public void SaveCopy(Sign sign) {
        copiedsign = sign.getText();
    }

    public String[] RestoreCopy() {
        if (copiedsign.length >= 1) {
            return copiedsign;
        } else {
            String[] NoData = {"No Data"};
            return NoData;
        }
    }

    public String[] RestoreSign() {
        String[] str = {FirstLine, SecondLine, ThirdLine, FourthLine};
        return str;
    }

    @HookHandler
    public void onSignChange(SignChangeHook hook) {
        if (hook.getPlayer().hasPermission(PERMISSION_COPY)) {
            if (copysign) {
                Sign MySign = hook.getSign();
                MySign.setText(RestoreCopy());
                MySign.update();
                hook.getPlayer().message(Colors.GREEN + "Copied sign!");
            }
        }
        if (hook.getPlayer().hasPermission(PERMISSION_RESTORE)) {
            Sign MySign = hook.getSign();
            if (MySign.getTextOnLine(0).equalsIgnoreCase(STRING_RESTORE)) {
                MySign.setText(RestoreSign());
                MySign.update();
            }
        }
        if (hook.getPlayer().hasPermission(PERMISSION_COLOR)) {
            String[] TheText = hook.getSign().getText();
            Sign MySign = hook.getSign();
            for (int i=0; i<TheText.length; i++) {
                String ReplacedText = TheText[i].replace("&", Colors.MARKER); // Make Color codes for each line of the sign.
                MySign.setTextOnLine(ReplacedText, i);
            }
            MySign.update();
        }
    }

    @HookHandler
    public void onBlockRightClick(BlockRightClickHook hook) {
        if (hook.getPlayer().hasPermission(PERMISSION_COPY)) {
            if (hook.getBlockClicked().getTypeId() == 63 || hook.getBlockClicked().getTypeId() == 68) {
                if (copysign) {
                    Block MyBlock = hook.getBlockClicked();
                    ComplexBlock MyComplexBlock = Canary.getServer().getDefaultWorld().getComplexBlock(MyBlock);
                    SaveCopy( (Sign) MyComplexBlock);
                    hook.getPlayer().message(Colors.GREEN + "Saved sign!");
                }
            }
        }
    }

    @HookHandler
    public void onBlockLeftClick(BlockLeftClickHook hook) {
        Block MyBlock = hook.getBlock();
        if (MyBlock.getType().equals(BlockType.WallSign) || MyBlock.getType().equals(BlockType.SignPost)) {
            ComplexBlock MyComplexBlock = Canary.getServer().getDefaultWorld().getComplexBlock(MyBlock);
            Sign MySign = (Sign) MyComplexBlock;
            SaveSign(MySign);
        }
    }
}