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aliasesmodel.cpp
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aliasesmodel.cpp
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/***************************************************************************
* Copyright (C) 2005-2016 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "aliasesmodel.h"
#include <QDebug>
#include <QStringList>
#include "client.h"
#include "signalproxy.h"
AliasesModel::AliasesModel(QObject *parent)
: QAbstractItemModel(parent),
_configChanged(false),
_modelReady(false)
{
// we need this signal for future connects to reset the data;
connect(Client::instance(), SIGNAL(connected()), this, SLOT(clientConnected()));
connect(Client::instance(), SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
if (Client::isConnected())
clientConnected();
else
emit modelReady(false);
}
QVariant AliasesModel::data(const QModelIndex &index, int role) const
{
if (!_modelReady)
return QVariant();
if (!index.isValid() || index.row() >= rowCount() || index.column() >= columnCount())
return QVariant();
switch (role) {
case Qt::ToolTipRole:
switch (index.column()) {
case 0:
return tr("<b>The shortcut for the alias</b><br />"
"It can be used as a regular slash command.<br /><br />"
"<b>Example:</b> \"foo\" can be used per /foo");
case 1:
return tr("<b>The string the shortcut will be expanded to</b><br />"
"<b>special variables:</b><br />"
" - <b>$i</b> represents the i'th parameter.<br />"
" - <b>$i..j</b> represents the i'th to j'th parameter separated by spaces.<br />"
" - <b>$i..</b> represents all parameters from i on separated by spaces.<br />"
" - <b>$i:hostname</b> represents the hostname of the user identified by the i'th parameter or a * if unknown.<br />"
" - <b>$i:ident</b> represents the ident of the user identified by the i'th parameter or a * if unknown.<br />"
" - <b>$i:account</b> represents the account of the user identified by the i'th parameter or a * if logged out or unknown.<br />"
" - <b>$0</b> the whole string.<br />"
" - <b>$nick</b> your current nickname<br />"
" - <b>$channel</b> the name of the selected channel<br /><br />"
"Multiple commands can be separated with semicolons<br /><br />"
"<b>Example:</b> \"Test $1; Test $2; Test All $0\" will be expanded to three separate messages \"Test 1\", \"Test 2\" and \"Test All 1 2 3\" when called like /test 1 2 3");
default:
return QVariant();
}
case Qt::DisplayRole:
case Qt::EditRole:
switch (index.column()) {
case 0:
return aliasManager()[index.row()].name;
case 1:
return aliasManager()[index.row()].expansion;
default:
return QVariant();
}
default:
return QVariant();
}
}
bool AliasesModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (!_modelReady)
return false;
if (!index.isValid() || index.row() >= rowCount() || index.column() >= columnCount() || role != Qt::EditRole)
return false;
QString newValue = value.toString();
if (newValue.isEmpty())
return false;
switch (index.column()) {
case 0:
if (aliasManager().contains(newValue)) {
return false;
}
else {
cloneAliasManager()[index.row()].name = newValue;
return true;
}
case 1:
cloneAliasManager()[index.row()].expansion = newValue;
return true;
default:
return false;
}
}
void AliasesModel::newAlias()
{
QString newName("alias");
int i = 0;
AliasManager &manager = cloneAliasManager();
while (manager.contains(newName)) {
i++;
newName = QString("alias%1").arg(i);
}
beginInsertRows(QModelIndex(), rowCount(), rowCount());
manager.addAlias(newName, "Expansion");
endInsertRows();
}
void AliasesModel::loadDefaults()
{
if (!_modelReady)
return;
AliasManager &manager = cloneAliasManager();
if (!manager.isEmpty()) {
beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
for (int i = rowCount() - 1; i >= 0; i--)
manager.removeAt(i);
endRemoveRows();
}
AliasManager::AliasList defaults = AliasManager::defaults();
beginInsertRows(QModelIndex(), 0, defaults.count() - 1);
foreach(AliasManager::Alias alias, defaults) {
manager.addAlias(alias.name, alias.expansion);
}
endInsertRows();
}
void AliasesModel::removeAlias(int index)
{
if (index < 0 || index >= rowCount())
return;
AliasManager &manager = cloneAliasManager();
beginRemoveRows(QModelIndex(), index, index);
manager.removeAt(index);
endRemoveRows();
}
Qt::ItemFlags AliasesModel::flags(const QModelIndex &index) const
{
if (!index.isValid()) {
return Qt::ItemIsDropEnabled;
}
else {
return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
}
}
QVariant AliasesModel::headerData(int section, Qt::Orientation orientation, int role) const
{
QStringList header;
header << tr("Alias")
<< tr("Expansion");
if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
return header[section];
return QVariant();
}
QModelIndex AliasesModel::index(int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(parent);
if (row >= rowCount() || column >= columnCount())
return QModelIndex();
return createIndex(row, column);
}
const AliasManager &AliasesModel::aliasManager() const
{
if (_configChanged)
return _clonedAliasManager;
else
return *Client::aliasManager();
}
AliasManager &AliasesModel::aliasManager()
{
if (_configChanged)
return _clonedAliasManager;
else
return *Client::aliasManager();
}
AliasManager &AliasesModel::cloneAliasManager()
{
if (!_configChanged) {
_clonedAliasManager = *Client::aliasManager();
_configChanged = true;
emit configChanged(true);
}
return _clonedAliasManager;
}
void AliasesModel::revert()
{
if (!_configChanged)
return;
_configChanged = false;
emit configChanged(false);
beginResetModel();
endResetModel();
}
void AliasesModel::commit()
{
if (!_configChanged)
return;
Client::aliasManager()->requestUpdate(_clonedAliasManager.toVariantMap());
revert();
}
void AliasesModel::initDone()
{
_modelReady = true;
beginResetModel();
endResetModel();
emit modelReady(true);
}
void AliasesModel::clientConnected()
{
connect(Client::aliasManager(), SIGNAL(updated()), SLOT(revert()));
if (Client::aliasManager()->isInitialized())
initDone();
else
connect(Client::aliasManager(), SIGNAL(initDone()), SLOT(initDone()));
}
void AliasesModel::clientDisconnected()
{
// clear
_clonedAliasManager = ClientAliasManager();
_modelReady = false;
beginResetModel();
endResetModel();
emit modelReady(false);
}