InfoTabFolder.java

/*
 * Project: xdccBee
 * Copyright (C) 2009 snert@snert-lab.de,
 *
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.snertlab.xdccBee.ui;

import java.text.MessageFormat;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Widget;

import de.snertlab.xdccBee.irc.IrcServer;
import de.snertlab.xdccBee.irc.listener.INotifyDccBotLogging;
import de.snertlab.xdccBee.irc.listener.LogMessage;
import de.snertlab.xdccBee.irc.listener.NotifyManagerDccBotLogging;
import de.snertlab.xdccBee.messages.XdccBeeMessages;

/**
 * @author holgi
 * 
 */
public class InfoTabFolder extends CTabFolder implements INotifyDccBotLogging {
	private static final String KEY_TAB_DATA_IRC_SERVER = "IRC_SERVER";
	private Map<IrcServer, Widget> mapDebuggingTabs = new HashMap<IrcServer, Widget>();

	public InfoTabFolder(Composite parent, int style) {
		super(parent, style);
		List<IrcServer> listIrcServers = Application.getServerSettings()
				.getListServer();
		NotifyManagerDccBotLogging.getNotifyManager().register(this);

		for (IrcServer ircServer : listIrcServers) {
			if (ircServer.isDebug()) {
				buildDebugTab(ircServer);
			}
		}

		CTabItem tabItemQueue = new CTabItem(this, SWT.NONE);
		tabItemQueue.setText(XdccBeeMessages
				.getString("ViewMain_TAB_DOWNLOADS")); //$NON-NLS-1$
		Composite compQueueView = new QueueView(this);
		tabItemQueue.setControl(compQueueView);
		if (this.getItemCount() != 0) {
			this.setSelection(0);
		}

	}

	private void buildDebugTab(IrcServer ircServer) {
		CTabItem tabItemDebugWindow = null;
		if (this.getItemCount() == 0) {
			tabItemDebugWindow = new CTabItem(this, SWT.NONE);
		} else {
			// place tabs before download tab
			tabItemDebugWindow = new CTabItem(this, SWT.NONE,
					this.getItemCount() - 1);
		}
		tabItemDebugWindow
				.setText(MessageFormat.format(
						XdccBeeMessages.getString("InfoTabFolder_TAB_DEBUG"), new Object[] { ircServer.getHostname() })); //$NON-NLS-1$
		Composite compDebug = new Composite(this, SWT.NONE);
		compDebug.setLayout(new GridLayout());
		compDebug.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
		StyledText txtDebug = new StyledText(compDebug, SWT.BORDER | SWT.MULTI
				| SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
		txtDebug.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
		tabItemDebugWindow.setControl(compDebug);
		makeTxtDebugContextMenu(txtDebug);
		tabItemDebugWindow.setData(KEY_TAB_DATA_IRC_SERVER, ircServer);
		mapDebuggingTabs.put(ircServer, txtDebug);
	}

	public void writeLog(IrcServer ircServer, final LogMessage log) {
		final StyledText txtDebug2 = (StyledText) mapDebuggingTabs
				.get(ircServer);
		if (txtDebug2 == null || txtDebug2.isDisposed())
			return;
		txtDebug2.getDisplay().asyncExec(new Runnable() {
			@Override
			public void run() {
				if (txtDebug2.isDisposed())
					return;
				Color logColor = txtDebug2.getShell().getDisplay()
						.getSystemColor(log.getLogColor());
				int startIndex = txtDebug2.getText().length();
				int length = log.getLogText().length();
				txtDebug2.append(log.getLogText() + "\n"); //$NON-NLS-1$
				txtDebug2.setTopIndex(txtDebug2.getLineCount());
				txtDebug2.setStyleRange(new StyleRange(startIndex, length,
						logColor, null));
			}
		});
	}

	@Override
	public void notifyDccBotLogging(final IrcServer ircServer,
			final LogMessage log) {
		writeLog(ircServer, log);
	}

	public void makeTxtDebugContextMenu(final StyledText txtDebug) {
		Menu mnuDebugTxt = new Menu(txtDebug);
		txtDebug.setMenu(mnuDebugTxt);

		final MenuItem mntmClearText = new MenuItem(mnuDebugTxt, SWT.CASCADE);
		mntmClearText.setText(XdccBeeMessages.getString("DEBUG_CLEAR_TEXT")); //$NON-NLS-1$
		mntmClearText.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				txtDebug.setText("");
			}
		});
	}

	public void refreshTabForIrcServer(IrcServer ircServer) {
		if (ircServer.isDebug() && !mapDebuggingTabs.containsKey(ircServer)) {
			buildDebugTab(ircServer);
		} else if (!ircServer.isDebug()
				&& mapDebuggingTabs.containsKey(ircServer)) {
			CTabItem tabItemToRemove = null;
			for (CTabItem tabItem : this.getItems()) {
				if (tabItem.getData(KEY_TAB_DATA_IRC_SERVER) != null
						&& ircServer.equals((IrcServer) tabItem
								.getData(KEY_TAB_DATA_IRC_SERVER))) {
					tabItemToRemove = tabItem;
				}
			}
			tabItemToRemove.dispose();
			mapDebuggingTabs.remove(ircServer);
		} else {
			// check if irc server renamed
			for (CTabItem tabItem : this.getItems()) {
				if (tabItem.getData(KEY_TAB_DATA_IRC_SERVER) != null
						&& ircServer.equals((IrcServer) tabItem
								.getData(KEY_TAB_DATA_IRC_SERVER))) {
					if (!StringUtils.equals(tabItem.getText(),
							ircServer.getHostname())) {
						tabItem.setText(ircServer.getHostname());
					}
				}
			}
		}
	}
}