Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/com/intellectualcrafters/plot/commands/MainCommand.java

src/main/java/com/intellectualcrafters/plot/util/helpmenu/HelpMenu.java

@@ -0,0 +1,56 @@
+package com.intellectualcrafters.plot.util.helpmenu;
+
+import com.intellectualcrafters.plot.commands.CommandCategory;
+import com.intellectualcrafters.plot.commands.MainCommand;
+import com.intellectualcrafters.plot.object.PlotPlayer;
+import com.intellectualsites.commands.Command;
+import com.plotsquared.bukkit.util.bukkit.BukkitUtil;
+
+import java.util.List;
+
+public class HelpMenu {
+
+    public static final int PER_PAGE = 5;
+
+    private final PlotPlayer _player;
+    private HelpPage _page = new HelpPage(CommandCategory.ACTIONS, 0, 0);
+    private int _maxPage;
+    private CommandCategory _commandCategory;
+    private List<Command<PlotPlayer>> _commands;
+
+    public HelpMenu(final PlotPlayer player) {
+        _player = player;
+    }
+
+    public HelpMenu setCategory(final CommandCategory commandCategory) {
+        _commandCategory = commandCategory;
+        return this;
+    }
+
+    public HelpMenu getCommands() {
+        _commands = MainCommand.getCommands(_commandCategory, _player);
+        return this;
+    }
+
+    public HelpMenu generateMaxPages() {
+        this._maxPage = Math.min(_commands.size() / PER_PAGE, 1);
+        return this;
+    }
+
+    public HelpMenu generatePage(int currentPage) {
+        if (currentPage > _maxPage) {
+            currentPage = _maxPage;
+        }
+        _page = new HelpPage(_commandCategory, currentPage, _maxPage);
+        int max = Math.min((currentPage * PER_PAGE) + PER_PAGE, _commands.size());
+        for (int i = currentPage * PER_PAGE; i < max; i++) {
+            _page.addHelpItem(new HelpObject(_commands.get(i)));
+        }
+        return this;
+    }
+
+    public void render() {
+        _page.render(_player);
+    }
+
+}

src/main/java/com/intellectualcrafters/plot/util/helpmenu/HelpObject.java

@@ -0,0 +1,35 @@
+package com.intellectualcrafters.plot.util.helpmenu;
+
+import com.intellectualcrafters.plot.config.C;
+import com.intellectualcrafters.plot.util.StringMan;
+import com.intellectualsites.commands.Argument;
+import com.intellectualsites.commands.Command;
+
+public class HelpObject {
+
+    private final Command _command;
+    private final String _rendered;
+
+    public HelpObject(final Command command) {
+        this._command = command;
+        String rendered = C.HELP_ITEM.s();
+        this._rendered = rendered
+                .replace("%usage%", _command.getUsage())
+                .replace("%alias%", _command.getAliases().size() > 0 ? StringMan.join(_command.getAliases(), "|") : "")
+                .replace("%desc%", _command.getDescription())
+                .replace("%arguments%", buildArgumentList(_command.getRequiredArguments()));  // TODO Make configurable
+    }
+
+    @Override
+    public String toString() {
+        return _rendered;
+    }
+
+    private String buildArgumentList(Argument[] arguments) {
+        StringBuilder builder = new StringBuilder();
+        for (final Argument argument : arguments) {
+            builder.append("[").append(argument.getName()).append(" (").append(argument.getExample()).append(")],");
+        }
+        return arguments.length > 0 ? builder.substring(0, builder.length() - 1) : "";
+    }
+}

src/main/java/com/intellectualcrafters/plot/util/helpmenu/HelpPage.java

@@ -0,0 +1,40 @@
+package com.intellectualcrafters.plot.util.helpmenu;
+
+import com.intellectualcrafters.plot.commands.CommandCategory;
+import com.intellectualcrafters.plot.config.C;
+import com.intellectualcrafters.plot.object.PlotPlayer;
+import com.intellectualcrafters.plot.util.MainUtil;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class HelpPage {
+
+    private final Set<HelpObject> _helpObjecs;
+    private final String _header;
+
+    public HelpPage(CommandCategory category, int currentPage, int maxPages) {
+        _helpObjecs = new HashSet<>();
+        _header = C.HELP_PAGE_HEADER.s()
+                .replace("%category%", category == null ? "ALL" : category.toString())
+                .replace("%current%", currentPage + "")
+                .replace("%max%", maxPages + "");
+    }
+
+    public void render(final PlotPlayer player) {
+        if (_helpObjecs.size() < 2) {
+            MainUtil.sendMessage(player, C.NO_COMMANDS.s(), false);
+        } else {
+            MainUtil.sendMessage(player, C.HELP_HEADER.s(), false);
+            MainUtil.sendMessage(player, _header, false);
+            for (final HelpObject object : _helpObjecs) {
+                MainUtil.sendMessage(player, object.toString(), false);
+            }
+            MainUtil.sendMessage(player, C.HELP_FOOTER.s(), false);
+        }
+    }
+
+    public void addHelpItem(final HelpObject object) {
+        _helpObjecs.add(object);
+    }
+}