UICommands.java

/*
This file is part of leafdigital leafChat.

leafChat is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

leafChat is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with leafChat. If not, see <http://www.gnu.org/licenses/>.

Copyright 2012 Samuel Marshall.
*/
package com.leafdigital.ircui;

import com.leafdigital.irc.api.*;

import leafchat.core.api.*;

/**
 * IRC slash-commands that are implemented by the UI layer.
 */
public class UICommands
{
	private PluginContext context;
	UICommands(PluginContext context) throws GeneralException
	{
		this.context=context;
		context.requestMessages(UserCommandMsg.class,this,Msg.PRIORITY_LATE);
		context.requestMessages(UserCommandListMsg.class,this,Msg.PRIORITY_LATE);
	}

	/**
	 * Message: user command typed.
	 * @param msg Message
	 * @throws GeneralException Any error
	 */
	public void msg(UserCommandMsg msg) throws GeneralException
	{
			if(msg.isHandled())
			{
				return;
			}

			String command = msg.getCommand();
			if("query".equals(command))
			{
				query(msg);
			}
			else if("server".equals(command))
			{
				server(msg);
			}
	}

	/**
	 * Message: Listing available commands.
	 * @param msg Message
	 */
	public void msg(UserCommandListMsg msg)
	{
		msg.addCommand(true, "query", UserCommandListMsg.FREQ_COMMON,
			"/query <nick>",
			"Open a message window with the named user");
		msg.addCommand(false, "server", UserCommandListMsg.FREQ_UNCOMMON,
			"/server <host> [port]",
			"Connect to the given server");
	}

	private void query(UserCommandMsg ucm) throws GeneralException
	{
		// ok we got it covered here
		ucm.markHandled();

		Server s=ucm.getServer();
		if(s==null)
		{
			ucm.getMessageDisplay().showError("Don't know which server to query on; " +
				"type /query in a command box associated with a particular server.");
			return;
		}

		String[] params=ucm.getParams().split(" ");
		if(params.length!=1 || params[0].length()==0)
		{
			ucm.getMessageDisplay().showError("Syntax: /query <nickname>");
			return;
		}

		// See if there's an existing message window for that user
		MsgWindow mw=MsgWindow.find(s,params[0]);
		if(mw==null)
			new MsgWindow(context,s,params[0],true);
		else
			mw.getWindow().activate();
	}

	private void server(UserCommandMsg msg) throws GeneralException
	{
		// We are definitely handling the message here
		if(msg.isHandled())
		{
			return;
		}
		msg.markHandled();

		// Check the params
		String[] params = msg.getParams().split(" ");
		if(params.length < 1 || params.length > 2 || params[0].length() == 0 ||
			(params.length == 2 && !params[1].matches("[0-9]+")))
		{
			msg.getMessageDisplay().showError("Syntax: /server <host> [port]");
			return;
		}

		// Start direct connect
		String server = params[0];
		int port = params.length == 1 ? 6667 : Integer.parseInt(params[1]);
		((IRCUIPlugin)context.getPlugin()).directConnect(server, port);
	}
}