+/***************************************************************************
+ * Copyright (C) 2005-08 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * 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 2 of the License, or *
+ * (at your option) version 3. *
+ * *
+ * 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, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#include "nickmodel.h"
+
+#include "ircchannel.h"
+#include "ircuser.h"
+
+#include <QDebug>
+
+NickModel::NickModel(IrcChannel *channel, QObject *parent) : QAbstractItemModel(parent) {
+ // we support 6 categories: q, a, o, h, v and standard
+ users = QVector<QList<IrcUser *> >(6);
+
+ if(channel) setIrcChannel(channel);
+ else _ircChannel = 0;
+}
+
+NickModel::~NickModel() {
+
+
+}
+
+IrcChannel *NickModel::ircChannel() const {
+ return _ircChannel;
+}
+
+void NickModel::setIrcChannel(IrcChannel *channel) {
+ if(_ircChannel) {
+ disconnect(_ircChannel, 0, this, 0);
+ }
+ foreach(QList<IrcUser *> l, users) l.clear();
+ _ircChannel = channel;
+ reset();
+ if(_ircChannel) {
+ connect(channel, SIGNAL(destroyed()), this, SLOT(setIrcChannel()));
+ connect(channel, SIGNAL(ircUserJoined(IrcUser *)), this, SLOT(addUser(IrcUser *)));
+ connect(channel, SIGNAL(ircUserParted(IrcUser *)), this, SLOT(removeUser(IrcUser *)));
+ connect(channel, SIGNAL(ircUserNickSet(IrcUser *, QString)), this, SLOT(renameUser(IrcUser *)));
+ connect(channel, SIGNAL(ircUserModesSet(IrcUser *, QString)), this, SLOT(changeUserModes(IrcUser *)));
+
+ foreach(IrcUser *ircuser, channel->ircUsers()) {
+ // TODO: make this efficient by sorting after everything is appended instead!
+ addUser(ircuser);
+ }
+ }
+}
+
+QVariant NickModel::headerData(int section, Qt::Orientation orientation, int role) const {
+ if(section == 0 && role == Qt::DisplayRole) {
+ if(ircChannel()) return ircChannel()->name();
+ else return "No channel";
+ }
+ return QAbstractItemModel::headerData(section, orientation, role);
+}
+
+QModelIndex NickModel::index(int row, int column, const QModelIndex &parent) const {
+ if(!parent.isValid()) { // Top-level item, i.e. a nick category
+ if(column > 0) return QModelIndex();
+ //int r = 0;
+ //for(int i = 0; i < row; i++) { // we need to skip empty categories
+ if(row > users.count()) {
+ qDebug() << "invalid model index!";
+ return QModelIndex();
+ }
+ return createIndex(row, column, 0);
+ }
+ // Second-level item, i.e. a nick. internalId() contains the parent category (starting at 1).
+ int cat = parent.row() + 1;
+ if(row > users[cat-1].count()) {
+ qDebug() << "invalid model index!";
+ return QModelIndex();
+ }
+ return createIndex(row, column, cat);
+}
+
+QModelIndex NickModel::indexOfUser(IrcUser *user) const {
+ int idx = -1; int cat;
+ for(cat = users.count()-1; cat >= 0; cat--) {
+ // we count backwards, since most users will usually be in the last category
+ idx = users[cat].indexOf(user);
+ if(idx >=0) break;
+ }
+ if(idx < 0) {
+ qWarning("NickModel: Index of unknown user requested!");
+ return QModelIndex();
+ }
+ return createIndex(idx, 0, cat+1);
+}
+
+QModelIndex NickModel::parent(const QModelIndex &index) const {
+ if(!index.isValid()) return QModelIndex();
+ int cat = index.internalId();
+ if(cat) return createIndex(cat-1, 0, 0);
+ else return QModelIndex();
+}
+
+int NickModel::rowCount(const QModelIndex &parent) const {
+ if(!parent.isValid()) {
+ if(!ircChannel()) return 1; // informative text
+ return users.count();
+ }
+ int cat = parent.internalId();
+ if(!cat) { // top-level item (category)
+ return users[parent.row()].count();
+ }
+ return 0; // second-level items don't have children
+}
+
+int NickModel::columnCount(const QModelIndex &) const {
+ //if(!ircChannel()) return 0;
+ return 1; // all our items have exactly one column
+}
+
+QVariant NickModel::data(const QModelIndex &index, int role) const {
+ if(!index.isValid()) return QVariant();
+ if(!ircChannel()) {
+ // we show one item with informative text
+ switch(role) {
+ case Qt::DisplayRole: return tr("Not in channel");
+ default: return QVariant();
+ }
+ }
+ int cat = index.internalId();
+ if(!cat) { // top-level item (category)
+ switch(role) {
+ case Qt::DisplayRole: {
+ QString title;
+ switch(index.row()) {
+ case 0: title = tr("%n Owner(s)", "", users[index.row()].count()); break;
+ case 1: title = tr("%n Admin(s)", "", users[index.row()].count()); break;
+ case 2: title = tr("%n Operator(s)", "", users[index.row()].count()); break;
+ case 3: title = tr("%n Half-Op(s)", "", users[index.row()].count()); break;
+ case 4: title = tr("%n Voiced", "", users[index.row()].count()); break;
+ case 5: title = tr("%n User(s)", "", users[index.row()].count()); break;
+ default: qDebug() << "invalid model index"; return QVariant();
+ }
+ return title;
+ }
+ case SortKeyRole: return index.row();
+ default: return QVariant();
+ }
+ } else {
+ IrcUser *user = users[cat-1][index.row()];
+ switch(role) {
+ case Qt::DisplayRole:
+ return user->nick();
+ case Qt::ToolTipRole:
+ return user->hostmask();
+ case SortKeyRole:
+ return user->nick();
+ default:
+ return QVariant();
+ }
+ }
+}
+
+int NickModel::userCategory(IrcUser *user) const {
+ return categoryFromModes(ircChannel()->userModes(user));
+}
+
+int NickModel::categoryFromModes(const QString &modes) const {
+ int cat;
+ // we hardcode this even though we have PREFIX in network... but that wouldn't help with mapping modes to
+ // category strings anyway.
+ if(modes.contains('q')) cat = 1;
+ else if(modes.contains('a')) cat = 2;
+ else if(modes.contains('o')) cat = 3;
+ else if(modes.contains('h')) cat = 4;
+ else if(modes.contains('v')) cat = 5;
+ else cat = 6;
+ return cat;
+}
+
+int NickModel::categoryFromIndex(const QModelIndex &index) const {
+ if(!index.isValid()) return -1;
+ return index.internalId();
+}
+
+void NickModel::addUser(IrcUser *user) {
+ int cat = userCategory(user);
+ beginInsertRows(createIndex(cat-1, 0, 0), 0, 0);
+ users[cat-1].prepend(user);
+ endInsertRows();
+}
+
+void NickModel::removeUser(IrcUser *user) {
+ // we don't know for sure which category this user was in, so we have to search
+ QModelIndex index = indexOfUser(user);
+ removeUser(index);
+}
+
+void NickModel::removeUser(const QModelIndex &index) {
+ if(!index.isValid()) return;
+ beginRemoveRows(index.parent(), index.row(), index.row());
+ users[index.internalId()-1].removeAt(index.row());
+ endRemoveRows();
+}
+
+void NickModel::renameUser(IrcUser *user) { //qDebug() << "renaming" << user->nick();
+ QModelIndex index = indexOfUser(user);
+ emit dataChanged(index, index);
+}
+
+void NickModel::changeUserModes(IrcUser *user) {
+ QModelIndex oldindex = indexOfUser(user);
+ if(categoryFromIndex(oldindex) == categoryFromModes(ircChannel()->userModes(user))) {
+ // User is still in same category, no change necessary
+ emit dataChanged(oldindex, oldindex);
+ } else {
+ removeUser(oldindex);
+ addUser(user);
+ }
+}
+
+/******************************************************************************************
+ * FilteredNickModel
+ ******************************************************************************************/
+
+FilteredNickModel::FilteredNickModel(QObject *parent) : QSortFilterProxyModel(parent) {
+ setDynamicSortFilter(true);
+ setSortCaseSensitivity(Qt::CaseInsensitive);
+ setSortRole(NickModel::SortKeyRole);
+
+}
+
+FilteredNickModel::~FilteredNickModel() {
+
+}
+
+void FilteredNickModel::setSourceModel(QAbstractItemModel *model) {
+ QSortFilterProxyModel::setSourceModel(model);
+ connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
+ connect(model, SIGNAL(rowsRemoved(const QModelIndex &, int, int)), this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
+}
+
+// Hide empty categories
+bool FilteredNickModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
+ if(!source_parent.isValid()) {
+ QModelIndex index = sourceModel()->index(source_row, 0);
+ return sourceModel()->rowCount(index);
+ }
+ return true;
+}
+
+void FilteredNickModel::sourceRowsInserted(const QModelIndex &index, int start, int end) {
+ if(!index.isValid()) return;
+ if(sourceModel()->rowCount(index) <= end - start + 1) {
+ // category no longer empty
+ invalidateFilter();
+ }
+}
+
+void FilteredNickModel::sourceRowsRemoved(const QModelIndex &index, int, int) {
+ if(!index.isValid()) return;
+ if(sourceModel()->rowCount(index) == 0) {
+ // category is now empty!
+ invalidateFilter();
+ }
+}
+
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