/* copyright (C) 2005-2011, Thorvald Natvig <thorvald@natvig.com>
   Copyright (C) 2009-2011, Stefan Hacker <dd0t@users.sourceforge.net>

   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
   - Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
   - Neither the name of the Mumble Developers nor the names of its
     contributors may be used to endorse or promote products derived from this
     software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "mumble_pch.hpp"

#include "ACLEditor.h"

#include "ACL.h"
#include "Channel.h"
#include "ClientUser.h"
#include "Database.h"
#include "Global.h"
#include "Log.h"
#include "ServerHandler.h"
#include "User.h"

ACLGroup::ACLGroup(const QString &name) : Group(NULL, name) {
	bInherited = false;
}

ACLEditor::ACLEditor(int channelparentid, QWidget *p) : QDialog(p) {
	// Simple constructor for add channel menu
	bAddChannelMode = true;
	iChannel = channelparentid;

	setupUi(this);

	qsbChannelPosition->setRange(INT_MIN, INT_MAX);

	setWindowTitle(tr("Mumble - Add channel"));
	qtwTab->removeTab(2);
	qtwTab->removeTab(1);

	// Until I come around implementing it hide the password fields
	qleChannelPassword->hide();
	qlChannelPassword->hide();

	if (g.sh->uiVersion >= 0x010300) {
		qsbChannelMaxUsers->setRange(0, INT_MAX);
		qsbChannelMaxUsers->setValue(0);
		qsbChannelMaxUsers->setSpecialValueText(tr("Default server value"));
	} else {
		qlChannelMaxUsers->hide();
		qsbChannelMaxUsers->hide();
	}

	qlChannelID->hide();

	qleChannelName->setFocus();

	pcaPassword = NULL;
	adjustSize();
}

ACLEditor::ACLEditor(int channelid, const MumbleProto::ACL &mea, QWidget *p) : QDialog(p) {
	QLabel *l;

	bAddChannelMode = false;

	iChannel = channelid;
	Channel *pChannel = Channel::get(iChannel);
	if (pChannel == NULL) {
		g.l->log(Log::Warning, tr("Failed: Invalid channel"));
		QDialog::reject();
		return;
	}

	msg = mea;

	setupUi(this);

	qcbChannelTemporary->hide();

	iId = mea.channel_id();
	setWindowTitle(tr("Mumble - Edit %1").arg(Channel::get(iId)->qsName));

	qlChannelID->setText(tr("ID: %1").arg(iId));

	qleChannelName->setText(pChannel->qsName);
	if (channelid == 0)
		qleChannelName->setEnabled(false);

	rteChannelDescription->setText(pChannel->qsDesc);

	qsbChannelPosition->setRange(INT_MIN, INT_MAX);
	qsbChannelPosition->setValue(pChannel->iPosition);

	if (g.sh->uiVersion >= 0x010300) {
		qsbChannelMaxUsers->setRange(0, INT_MAX);
		qsbChannelMaxUsers->setValue(pChannel->uiMaxUsers);
		qsbChannelMaxUsers->setSpecialValueText(tr("Default server value"));
	} else {
		qlChannelMaxUsers->hide();
		qsbChannelMaxUsers->hide();
	}

	QGridLayout *grid = new QGridLayout(qgbACLpermissions);

	l = new QLabel(tr("Deny"), qgbACLpermissions);
	grid->addWidget(l, 0, 1);
	l = new QLabel(tr("Allow"), qgbACLpermissions);
	grid->addWidget(l, 0, 2);

	int idx = 1;
	for (int i = 0; i < ((iId == 0) ? 30 : 16); ++i) {
		ChanACL::Perm perm = static_cast<ChanACL::Perm>(1 << i);
		QString name = ChanACL::permName(perm);

		if (! name.isEmpty()) {
			QCheckBox *qcb;
			l = new QLabel(name, qgbACLpermissions);
			grid->addWidget(l, idx, 0);
			qcb = new QCheckBox(qgbACLpermissions);
			qcb->setToolTip(tr("Deny %1").arg(name));
			qcb->setWhatsThis(tr("This revokes the %1 privilege. If a privilege is both allowed and denied, it is denied.<br />%2").arg(name).arg(ChanACL::whatsThis(perm)));
			connect(qcb, SIGNAL(clicked(bool)), this, SLOT(ACLPermissions_clicked()));
			grid->addWidget(qcb, idx, 1);

			qlACLDeny << qcb;

			qcb = new QCheckBox(qgbACLpermissions);
			qcb->setToolTip(tr("Allow %1").arg(name));
			qcb->setWhatsThis(tr("This grants the %1 privilege. If a privilege is both allowed and denied, it is denied.<br />%2").arg(name).arg(ChanACL::whatsThis(perm)));
			connect(qcb, SIGNAL(clicked(bool)), this, SLOT(ACLPermissions_clicked()));
			grid->addWidget(qcb, idx, 2);

			qlACLAllow << qcb;

			qlPerms << perm;

			++idx;
		}
	}
	QSpacerItem *si = new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Expanding);
	grid->addItem(si, idx, 0);

	connect(qcbGroupAdd->lineEdit(), SIGNAL(returnPressed()), qpbGroupAddAdd, SLOT(animateClick()));
	connect(qcbGroupRemove->lineEdit(), SIGNAL(returnPressed()), qpbGroupRemoveAdd, SLOT(animateClick()));

	foreach(User *u, ClientUser::c_qmUsers) {
		if (u->iId >= 0) {
			qhNameCache.insert(u->iId, u->qsName);
			qhIDCache.insert(u->qsName.toLower(), u->iId);
		}
	}

	ChanACL *def = new ChanACL(NULL);

	def->bApplyHere = true;
	def->bApplySubs = true;
	def->bInherited = true;
	def->iUserId = -1;
	def->qsGroup = QLatin1String("all");
	def->pAllow = ChanACL::Traverse | ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage;
	def->pDeny = (~def->pAllow) & ChanACL::All;

	qlACLs << def;

	for (int i = 0; i < mea.acls_size(); ++i) {
		const MumbleProto::ACL_ChanACL &as = mea.acls(i);

		ChanACL *acl = new ChanACL(NULL);
		acl->bApplyHere = as.apply_here();
		acl->bApplySubs = as.apply_subs();
		acl->bInherited = as.inherited();
		acl->iUserId = -1;
		if (as.has_user_id())
			acl->iUserId = as.user_id();
		else
			acl->qsGroup = u8(as.group());
		acl->pAllow = static_cast<ChanACL::Permissions>(as.grant());
		acl->pDeny = static_cast<ChanACL::Permissions>(as.deny());

		qlACLs << acl;
	}

	for (int i = 0; i < mea.groups_size(); ++i) {
		const MumbleProto::ACL_ChanGroup &gs = mea.groups(i);

		ACLGroup *gp = new ACLGroup(u8(gs.name()));
		gp->bInherit = gs.inherit();
		gp->bInherited = gs.inherited();
		gp->bInheritable = gs.inheritable();
		for (int j = 0; j < gs.add_size(); ++j)
			gp->qsAdd.insert(gs.add(j));
		for (int j = 0; j < gs.remove_size(); ++j)
			gp->qsRemove.insert(gs.remove(j));
		for (int j = 0; j < gs.inherited_members_size(); ++j)
			gp->qsTemporary.insert(gs.inherited_members(j));

		qlGroups << gp;
	}

	iUnknown = -2;

	numInheritACL = -1;

	bInheritACL = mea.inherit_acls();
	qcbACLInherit->setChecked(bInheritACL);

	foreach(ChanACL *acl, qlACLs) {
		if (acl->bInherited)
			numInheritACL++;
	}

	refill(GroupAdd);
	refill(GroupRemove);
	refill(GroupInherit);
	refill(ACLList);
	refillGroupNames();

	ACLEnableCheck();
	groupEnableCheck();

	updatePasswordField();

	qleChannelName->setFocus();
	adjustSize();
}

ACLEditor::~ACLEditor() {
	foreach(ChanACL *acl, qlACLs) {
		delete acl;
	}
	foreach(ACLGroup *gp, qlGroups) {
		delete gp;
	}
}

void ACLEditor::showEvent(QShowEvent *evt) {
	ACLEnableCheck();
	QDialog::showEvent(evt);
}

void ACLEditor::accept() {
	Channel *pChannel = Channel::get(iChannel);
	if (pChannel == NULL) {
		// Channel gone while editing
		g.l->log(Log::Warning, tr("Failed: Invalid channel"));
		QDialog::reject();
		return;
	}

	if (qleChannelName->text().isEmpty()) {
		// Empty channel name
		QMessageBox::warning(this, QLatin1String("Mumble"), tr("Channel must have a name"), QMessageBox::Ok);
		qleChannelName->setFocus();
		return;
	}

	// Update channel state
	if (bAddChannelMode) {
		g.sh->createChannel(iChannel, qleChannelName->text(), rteChannelDescription->text(), qsbChannelPosition->value(), qcbChannelTemporary->isChecked(), qsbChannelMaxUsers->value());
	} else {
		bool needs_update = false;

		updatePasswordACL();

		MumbleProto::ChannelState mpcs;
		mpcs.set_channel_id(pChannel->iId);
		if (pChannel->qsName != qleChannelName->text()) {
			mpcs.set_name(u8(qleChannelName->text()));
			needs_update = true;
		}
		if (rteChannelDescription->isModified() && (pChannel->qsDesc != rteChannelDescription->text())) {
			const QString &descriptionText = rteChannelDescription->text();
			mpcs.set_description(u8(descriptionText));
			needs_update = true;
			Database::setBlob(sha1(descriptionText), descriptionText.toUtf8());
		}
		if (pChannel->iPosition != qsbChannelPosition->value()) {
			mpcs.set_position(qsbChannelPosition->value());
			needs_update = true;
		}
		if (pChannel->uiMaxUsers != static_cast<unsigned int>(qsbChannelMaxUsers->value())) {
			mpcs.set_max_users(qsbChannelMaxUsers->value());
			needs_update = true;
		}
		if (needs_update)
			g.sh->sendMessage(mpcs);

		// Update ACL
		msg.set_inherit_acls(bInheritACL);
		msg.clear_acls();
		msg.clear_groups();

		foreach(ChanACL *acl, qlACLs) {
			if (acl->bInherited || (acl->iUserId < -1))
				continue;
			MumbleProto::ACL_ChanACL *mpa = msg.add_acls();
			mpa->set_apply_here(acl->bApplyHere);
			mpa->set_apply_subs(acl->bApplySubs);
			if (acl->iUserId != -1)
				mpa->set_user_id(acl->iUserId);
			else
				mpa->set_group(u8(acl->qsGroup));
			mpa->set_grant(acl->pAllow);
			mpa->set_deny(acl->pDeny);
		}

		foreach(ACLGroup *gp, qlGroups) {
			if (gp->bInherited && gp->bInherit && gp->bInheritable && (gp->qsAdd.count() == 0) && (gp->qsRemove.count() == 0))
				continue;
			MumbleProto::ACL_ChanGroup *mpg = msg.add_groups();
			mpg->set_name(u8(gp->qsName));
			mpg->set_inherit(gp->bInherit);
			mpg->set_inheritable(gp->bInheritable);
			foreach(int pid, gp->qsAdd)
				if (pid >= 0)
					mpg->add_add(pid);
			foreach(int pid, gp->qsRemove)
				if (pid >= 0)
					mpg->add_remove(pid);
		}
		g.sh->sendMessage(msg);
	}
	QDialog::accept();
}


const QString ACLEditor::userName(int pid) {
	if (qhNameCache.contains(pid))
		return qhNameCache.value(pid);
	else
		return QString::fromLatin1("#%1").arg(pid);
}

int ACLEditor::id(const QString &uname) {
	QString name = uname.toLower();
	if (qhIDCache.contains(name)) {
		return qhIDCache.value(name);
	} else {
		if (! qhNameWait.contains(name)) {
			MumbleProto::QueryUsers mpuq;
			mpuq.add_names(u8(name));
			g.sh->sendMessage(mpuq);

			iUnknown--;
			qhNameWait.insert(name, iUnknown);
			qhNameCache.insert(iUnknown, name);
		}
		return qhNameWait.value(name);
	}
}

void ACLEditor::returnQuery(const MumbleProto::QueryUsers &mqu) {
	if (mqu.names_size() != mqu.ids_size())
		return;

	for (int i = 0; i < mqu.names_size(); ++i) {
		int pid = mqu.ids(i);
		QString name = u8(mqu.names(i));
		QString lname = name.toLower();
		qhIDCache.insert(lname, pid);
		qhNameCache.insert(pid, name);

		if (qhNameWait.contains(lname)) {
			int tid = qhNameWait.take(lname);

			foreach(ChanACL *acl, qlACLs)
				if (acl->iUserId == tid)
					acl->iUserId = pid;
			foreach(ACLGroup *gp, qlGroups) {
				if (gp->qsAdd.remove(tid))
					gp->qsAdd.insert(pid);
				if (gp->qsRemove.remove(tid))
					gp->qsRemove.insert(pid);
			}
			qhNameCache.remove(tid);
		}
	}
	refillGroupInherit();
	refillGroupRemove();
	refillGroupAdd();
	refillComboBoxes();
	refillACL();
}

void ACLEditor::refill(WaitID wid) {
	switch (wid) {
		case ACLList:
			refillACL();
			break;
		case GroupInherit:
			refillGroupInherit();
			break;
		case GroupRemove:
			refillGroupRemove();
			break;
		case GroupAdd:
			refillGroupAdd();
			break;
	}
}

void ACLEditor::refillComboBoxes() {
	QList<QComboBox *> ql;
	ql << qcbGroupAdd;
	ql << qcbGroupRemove;
	ql << qcbACLUser;

	QStringList names = qhNameCache.values();
	names.sort();

	foreach(QComboBox *qcb, ql) {
		qcb->clear();
		qcb->addItems(names);
		qcb->clearEditText();
	}
}

void ACLEditor::refillACL() {
	int idx = qlwACLs->currentRow();
	bool previousinherit = bInheritACL;
	bInheritACL = qcbACLInherit->isChecked();

	qlwACLs->clear();

	bool first = true;

	foreach(ChanACL *acl, qlACLs) {
		if (first)
			first = false;
		else if (! bInheritACL && acl->bInherited)
			continue;
		QString text;
		if (acl->iUserId == -1)
			text = QString::fromLatin1("@%1").arg(acl->qsGroup);
		else
			text = userName(acl->iUserId);
		QListWidgetItem *item = new QListWidgetItem(text, qlwACLs);
		if (acl->bInherited) {
			QFont f = item->font();
			f.setItalic(true);
			item->setFont(f);
		}
	}
	if (bInheritACL && ! previousinherit && (idx != 0))
		idx += numInheritACL;
	if (! bInheritACL && previousinherit)
		idx -= numInheritACL;

	qlwACLs->setCurrentRow(idx);
}

void ACLEditor::refillGroupNames() {
	QString text = qcbGroupList->currentText().toLower();
	QStringList qsl;

	foreach(ACLGroup *gp, qlGroups) {
		qsl << gp->qsName;
	}
	qsl.sort();

	qcbGroupList->clear();

	foreach(QString name, qsl) {
		qcbGroupList->addItem(name);
	}

	int wantindex = qcbGroupList->findText(text, Qt::MatchFixedString);
	qcbGroupList->setCurrentIndex(wantindex);
}

ACLGroup *ACLEditor::currentGroup() {
	QString group = qcbGroupList->currentText();

	foreach(ACLGroup *gp, qlGroups)
		if (gp->qsName == group)
			return gp;

	group = group.toLower();

	foreach(ACLGroup *gp, qlGroups)
		if (gp->qsName == group)
			return gp;

	return NULL;
}

ChanACL *ACLEditor::currentACL() {
	int idx = qlwACLs->currentRow();
	if (idx < 0)
		return NULL;

	if (idx && ! bInheritACL)
		idx += numInheritACL;
	return qlACLs[idx];
}

void ACLEditor::fillWidgetFromSet(QListWidget *qlw, const QSet<int> &qs) {
	qlw->clear();

	QList<idname> ql;
	foreach(int pid, qs) {
		ql << idname(userName(pid), pid);
	}
	qStableSort(ql);
	foreach(idname i, ql) {
		QListWidgetItem *qlwi = new QListWidgetItem(i.first, qlw);
		qlwi->setData(Qt::UserRole, i.second);
		if (i.second < 0) {
			QFont f = qlwi->font();
			f.setItalic(true);
			qlwi->setFont(f);
		}
	}
}

void ACLEditor::refillGroupAdd() {
	ACLGroup *gp = currentGroup();

	if (! gp)
		return;

	fillWidgetFromSet(qlwGroupAdd, gp->qsAdd);
}

void ACLEditor::refillGroupRemove() {
	ACLGroup *gp = currentGroup();
	if (! gp)
		return;

	fillWidgetFromSet(qlwGroupRemove, gp->qsRemove);
}

void ACLEditor::refillGroupInherit() {
	ACLGroup *gp = currentGroup();

	if (! gp)
		return;

	fillWidgetFromSet(qlwGroupInherit, gp->qsTemporary);
}

void ACLEditor::groupEnableCheck() {
	ACLGroup *gp = currentGroup();

	bool enabled;
	if (! gp)
		enabled = false;
	else
		enabled = gp->bInherit;

	qlwGroupRemove->setEnabled(enabled);
	qlwGroupInherit->setEnabled(enabled);
	qcbGroupRemove->setEnabled(enabled);
	qpbGroupRemoveAdd->setEnabled(enabled);
	qpbGroupRemoveRemove->setEnabled(enabled);
	qpbGroupInheritRemove->setEnabled(enabled);

	enabled = (gp != NULL);
	qlwGroupAdd->setEnabled(enabled);
	qcbGroupAdd->setEnabled(enabled);
	qpbGroupAddAdd->setEnabled(enabled);
	qpbGroupAddRemove->setEnabled(enabled);
	qcbGroupInherit->setEnabled(enabled);
	qcbGroupInheritable->setEnabled(enabled);

	if (gp) {
		qcbGroupInherit->setChecked(gp->bInherit);
		qcbGroupInheritable->setChecked(gp->bInheritable);
		qcbGroupInherited->setChecked(gp->bInherited);
	}
}

void ACLEditor::ACLEnableCheck() {
	ChanACL *as = currentACL();

	bool enabled;
	if (! as)
		enabled = false;
	else
		enabled = ! as->bInherited;

	qpbACLRemove->setEnabled(enabled);
	qpbACLUp->setEnabled(enabled);
	qpbACLDown->setEnabled(enabled);
	qcbACLApplyHere->setEnabled(enabled);
	qcbACLApplySubs->setEnabled(enabled);
	qcbACLGroup->setEnabled(enabled);
	qcbACLUser->setEnabled(enabled);

	for (int idx = 0; idx < qlACLAllow.count(); idx++) {
		// Only enable other checkboxes if writeacl isn't set
		bool enablethis = enabled && (qlPerms[idx] == ChanACL::Write || !(as && (as->pAllow & ChanACL::Write)) || qlPerms[idx] == ChanACL::Speak);
		qlACLAllow[idx]->setEnabled(enablethis);
		qlACLDeny[idx]->setEnabled(enablethis);
	}

	if (as) {
		qcbACLApplyHere->setChecked(as->bApplyHere);
		qcbACLApplySubs->setChecked(as->bApplySubs);

		for (int idx = 0; idx < qlACLAllow.count(); idx++) {
			ChanACL::Perm p = qlPerms[idx];
			qlACLAllow[idx]->setChecked(as->pAllow & p);
			qlACLDeny[idx]->setChecked(as->pDeny & p);
		}

		qcbACLGroup->clear();
		qcbACLGroup->addItem(QString());
		qcbACLGroup->addItem(QLatin1String("all"));
		qcbACLGroup->addItem(QLatin1String("auth"));
		qcbACLGroup->addItem(QLatin1String("in"));
		qcbACLGroup->addItem(QLatin1String("sub"));
		qcbACLGroup->addItem(QLatin1String("out"));
		qcbACLGroup->addItem(QLatin1String("~in"));
		qcbACLGroup->addItem(QLatin1String("~sub"));
		qcbACLGroup->addItem(QLatin1String("~out"));

		foreach(ACLGroup *gs, qlGroups)
			qcbACLGroup->addItem(gs->qsName);

		if (as->iUserId == -1) {
			qcbACLUser->clearEditText();
			qcbACLGroup->addItem(as->qsGroup);
			qcbACLGroup->setCurrentIndex(qcbACLGroup->findText(as->qsGroup, Qt::MatchExactly));
		} else {
			qcbACLUser->setEditText(userName(as->iUserId));
		}
	}
	foreach(QAbstractButton *b, qdbbButtons->buttons()) {
		QPushButton *qpb = qobject_cast<QPushButton *>(b);
		if (qpb) {
			qpb->setAutoDefault(false);
			qpb->setDefault(false);
		}
	}
}

void ACLEditor::on_qtwTab_currentChanged(int index) {
	if (index == 0) {
		// Switched to property tab, update password field
		updatePasswordField();
	} else if (index == 2) {
		// Switched to ACL tab, update ACL list
		updatePasswordACL();
		refillACL();
	}
}

void ACLEditor::updatePasswordField() {
	pcaPassword = NULL;
	foreach(ChanACL *acl, qlACLs) {
		// Check for sth that applies to '#<something>' AND grants 'Enter' AND may grant 'Speak', 'Whisper',
		// 'TextMessage', 'Link' but NOTHING else AND does not deny anything, then '<something>' is the password.
		if (acl->qsGroup.startsWith(QLatin1Char('#')) &&
		        acl->bApplyHere &&
		        !acl->bInherited &&
		        (acl->pAllow & ChanACL::Enter) &&
		        (acl->pAllow == (ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage | ChanACL::LinkChannel) || // Backwards compat with old behaviour that didn't deny traverse
		         acl->pAllow == (ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage | ChanACL::LinkChannel | ChanACL::Traverse)) &&
		        acl->pDeny == ChanACL::None) {
			pcaPassword = acl;
		}
	}
	if (pcaPassword)
		qleChannelPassword->setText(pcaPassword->qsGroup.mid(1));
	else
		qleChannelPassword->clear();

}

void ACLEditor::updatePasswordACL() {
	if (qleChannelPassword->text().isEmpty()) {
		// Remove the password if we had one to begin with
		if (pcaPassword && qlACLs.removeOne(pcaPassword)) {
			delete pcaPassword;

			// Search and remove the @all deny ACL
			ChanACL *denyall = NULL;
			foreach(ChanACL *acl, qlACLs) {
				if (acl->qsGroup == QLatin1String("all") &&
				        acl->bInherited == false &&
				        acl->bApplyHere == true &&
				        acl->pAllow == ChanACL::None &&
				        (acl->pDeny == (ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage | ChanACL::LinkChannel) || // Backwards compat with old behaviour that didn't deny traverse
				         acl->pDeny == (ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage | ChanACL::LinkChannel | ChanACL::Traverse))) {
					denyall = acl;
				}
			}
			if (denyall) {
				qlACLs.removeOne(denyall);
				delete denyall;
			}
		}
	} else {
		// Add or Update
		if (pcaPassword == NULL || !qlACLs.contains(pcaPassword)) {
			pcaPassword = new ChanACL(NULL);
			pcaPassword->bApplyHere = true;
			pcaPassword->bApplySubs = false;
			pcaPassword->bInherited = false;
			pcaPassword->pAllow = ChanACL::None;
			pcaPassword->pDeny = ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage | ChanACL::LinkChannel | ChanACL::Traverse;
			pcaPassword->qsGroup = QLatin1String("all");
			qlACLs << pcaPassword;

			pcaPassword = new ChanACL(NULL);
			pcaPassword->bApplyHere = true;
			pcaPassword->bApplySubs = false;
			pcaPassword->bInherited = false;
			pcaPassword->pAllow = ChanACL::Enter | ChanACL::Speak | ChanACL::Whisper | ChanACL::TextMessage | ChanACL::LinkChannel | ChanACL::Traverse;
			pcaPassword->pDeny = ChanACL::None;
			pcaPassword->qsGroup = QString(QLatin1String("#%1")).arg(qleChannelPassword->text());
			qlACLs << pcaPassword;
		} else {
			pcaPassword->qsGroup = QString(QLatin1String("#%1")).arg(qleChannelPassword->text());
		}
	}
}

void ACLEditor::on_qlwACLs_currentRowChanged() {
	ACLEnableCheck();
}

void ACLEditor::on_qpbACLAdd_clicked() {
	ChanACL *as = new ChanACL(NULL);
	as->bApplyHere = true;
	as->bApplySubs = true;
	as->bInherited = false;
	as->qsGroup = QLatin1String("all");
	as->iUserId = -1;
	as->pAllow = ChanACL::None;
	as->pDeny = ChanACL::None;
	qlACLs << as;
	refillACL();
	qlwACLs->setCurrentRow(qlwACLs->count() - 1);
}

void ACLEditor::on_qpbACLRemove_clicked() {
	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	qlACLs.removeAll(as);
	delete as;
	refillACL();
}

void ACLEditor::on_qpbACLUp_clicked() {
	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	int idx = qlACLs.indexOf(as);
	if (idx <= numInheritACL + 1)
		return;

	qlACLs.swap(idx - 1, idx);
	qlwACLs->setCurrentRow(qlwACLs->currentRow() - 1);
	refillACL();
}

void ACLEditor::on_qpbACLDown_clicked() {
	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	int idx = qlACLs.indexOf(as) + 1;
	if (idx >= qlACLs.count())
		return;

	qlACLs.swap(idx - 1, idx);
	qlwACLs->setCurrentRow(qlwACLs->currentRow() + 1);
	refillACL();
}

void ACLEditor::on_qcbACLInherit_clicked(bool) {
	refillACL();
}

void ACLEditor::on_qcbACLApplyHere_clicked(bool checked) {
	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	as->bApplyHere = checked;
}

void ACLEditor::on_qcbACLApplySubs_clicked(bool checked) {
	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	as->bApplySubs = checked;
}

void ACLEditor::on_qcbACLGroup_activated(const QString &text) {
	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	as->iUserId = -1;

	if (text.isEmpty()) {
		qcbACLGroup->setCurrentIndex(1);
		as->qsGroup = QLatin1String("all");
	} else {
		qcbACLUser->clearEditText();
		as->qsGroup = text;
	}
	refillACL();
}

void ACLEditor::on_qcbACLUser_activated() {
	QString text = qcbACLUser->currentText();

	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	if (text.isEmpty()) {
		as->iUserId = -1;
		if (qcbACLGroup->currentIndex() == 0) {
			qcbACLGroup->setCurrentIndex(1);
			as->qsGroup = QLatin1String("all");
		}
		refillACL();
	} else {
		qcbACLGroup->setCurrentIndex(0);
		as->iUserId = id(text);
		refillACL();
	}
}

void ACLEditor::ACLPermissions_clicked() {
	QCheckBox *source = qobject_cast<QCheckBox *>(sender());

	ChanACL *as = currentACL();
	if (! as || as->bInherited)
		return;

	int allowed = 0;
	int denied = 0;

	bool enabled = true;
	for (int idx = 0; idx < qlACLAllow.count(); idx++) {
		ChanACL::Perm p = qlPerms[idx];
		if (qlACLAllow[idx]->isChecked() && qlACLDeny[idx]->isChecked()) {
			if (source == qlACLAllow[idx])
				qlACLDeny[idx]->setChecked(false);
			else
				qlACLAllow[idx]->setChecked(false);
		}

		qlACLAllow[idx]->setEnabled(enabled || p == ChanACL::Speak);
		qlACLDeny[idx]->setEnabled(enabled || p == ChanACL::Speak);

		if (p == ChanACL::Write && qlACLAllow[idx]->isChecked())
			enabled = false;

		if (qlACLAllow[idx]->isChecked())
			allowed |= p;
		if (qlACLDeny[idx]->isChecked())
			denied |= p;
	}

	as->pAllow = static_cast<ChanACL::Permissions>(allowed);
	as->pDeny = static_cast<ChanACL::Permissions>(denied);
}

void ACLEditor::on_qcbGroupList_activated(const QString &text) {
	ACLGroup *gs = currentGroup();
	if (text.isEmpty())
		return;
	if (! gs) {
		QString name = text.toLower();
		gs = new ACLGroup(name);
		gs->bInherited = false;
		gs->bInherit = true;
		gs->bInheritable = true;
		gs->qsName = name;
		qlGroups << gs;
	}

	refillGroupNames();
	refillGroupAdd();
	refillGroupRemove();
	refillGroupInherit();
	groupEnableCheck();
	qpbGroupAdd->setEnabled(false);
}

void ACLEditor::on_qcbGroupList_editTextChanged(const QString & text) {
	qpbGroupAdd->setEnabled(!text.isEmpty());
}

void ACLEditor::on_qpbGroupAdd_clicked() {
	on_qcbGroupList_activated(qcbGroupList->currentText());
}

void ACLEditor::on_qpbGroupRemove_clicked() {
	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	if (gs->bInherited) {
		gs->bInheritable = true;
		gs->bInherit = true;
		gs->qsAdd.clear();
		gs->qsRemove.clear();
	} else {
		qlGroups.removeAll(gs);
		delete gs;
	}
	refillGroupNames();
	refillGroupAdd();
	refillGroupRemove();
	refillGroupInherit();
	groupEnableCheck();
}

void ACLEditor::on_qcbGroupInherit_clicked(bool checked) {
	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	gs->bInherit = checked;
	groupEnableCheck();
}

void ACLEditor::on_qcbGroupInheritable_clicked(bool checked) {
	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	gs->bInheritable = checked;
}

void ACLEditor::on_qpbGroupAddAdd_clicked() {
	ACLGroup *gs = currentGroup();
	QString text = qcbGroupAdd->currentText();

	if (! gs)
		return;

	if (text.isEmpty())
		return;

	gs->qsAdd << id(text);
	refillGroupAdd();
	qcbGroupAdd->clearEditText();
}

void ACLEditor::on_qpbGroupAddRemove_clicked() {
	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	QListWidgetItem *item = qlwGroupAdd->currentItem();
	if (! item)
		return;

	gs->qsAdd.remove(item->data(Qt::UserRole).toInt());
	refillGroupAdd();
	qcbGroupRemove->clearEditText();
}

void ACLEditor::on_qpbGroupRemoveAdd_clicked() {
	QString text = qcbGroupRemove->currentText();

	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	if (text.isEmpty())
		return;

	gs->qsRemove << id(text);
	refillGroupRemove();
}

void ACLEditor::on_qpbGroupRemoveRemove_clicked() {
	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	QListWidgetItem *item = qlwGroupRemove->currentItem();
	if (! item)
		return;

	gs->qsRemove.remove(item->data(Qt::UserRole).toInt());
	refillGroupRemove();
}

void ACLEditor::on_qpbGroupInheritRemove_clicked() {
	ACLGroup *gs = currentGroup();
	if (! gs)
		return;

	QListWidgetItem *item = qlwGroupInherit->currentItem();
	if (! item)
		return;

	gs->qsRemove.insert(item->data(Qt::UserRole).toInt());
	refillGroupRemove();
}
