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/*********
*
* In the name of the Father, and of the Son, and of the Holy Spirit.
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2011 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License
* version 2.0.
*
**********/
#include "backend/bookshelfmodel/btbookshelfmodel.h"
#include <QIcon>
#include <QSet>
#include "util/macros.h"
BtBookshelfModel::BtBookshelfModel(QObject *parent)
: QAbstractListModel(parent) {
// Intentionally empty
}
BtBookshelfModel::~BtBookshelfModel() {
// Intentionally empty
}
int BtBookshelfModel::rowCount(const QModelIndex &parent) const {
if (parent.isValid()) return 0;
return m_data.size();
}
QVariant BtBookshelfModel::data(CSwordModuleInfo *module, int role) const {
switch (role) {
case ModuleNameRole: // Qt::DisplayRole
return module->name();
case ModuleIconRole: // Qt::DecorationRole
return CSwordModuleInfo::moduleIcon(module);
case ModulePointerRole:
return qVariantFromValue((void*) module);
case ModuleCategoryRole:
return QVariant::fromValue(module->category());
case ModuleLanguageRole:
return QVariant(); /// \todo Unimplemented
case ModuleHiddenRole:
return module->isHidden();
case ModuleInstallPathRole:
return module->config(CSwordModuleInfo::AbsoluteDataPath);
case ModuleHasIndexRole:
return module->hasIndex();
case ModuleIndexSizeRole:
return (qulonglong) module->indexSize();
case ModuleDescriptionRole:
return module->config(CSwordModuleInfo::Description);
default:
return QVariant();
}
}
QVariant BtBookshelfModel::data(const QModelIndex &index, int role) const {
if (!index.isValid() || index.column() != 0 || index.parent().isValid()) {
return QVariant();
}
int row(index.row());
if (row >= m_data.size()) return QVariant();
return data(m_data.at(row), role);
}
QVariant BtBookshelfModel::headerData(int section, Qt::Orientation orientation,
int role) const {
if (role == Qt::DisplayRole && orientation == Qt::Horizontal &&
section == 0) {
return tr("Module");
}
return QVariant();
}
bool BtBookshelfModel::setData(const QModelIndex &index, const QVariant &value,
int role) {
int row(index.row());
if (role == ModuleHiddenRole && row >= 0 && row < m_data.size()
&& index.column() == 0) {
/*
Emitting dataChanged here is actually mandatory, but were not doing it
directly. Since we're connected to the module, changing its hidden
state will emit a signal we catch in moduleHidden(), which in turn is
what will actually emit dataChanged().
*/
return m_data.at(row)->setHidden(value.toBool());
}
return false;
}
void BtBookshelfModel::clear(bool destroy) {
if (m_data.size() <= 0) return;
beginRemoveRows(QModelIndex(), 0, m_data.size() - 1);
if (destroy) {
qDeleteAll(m_data);
}
m_data.clear();
endRemoveRows();
}
void BtBookshelfModel::addModule(CSwordModuleInfo * const module) {
Q_ASSERT(module != 0);
if (m_data.contains(module)) return;
const int index(m_data.size());
beginInsertRows(QModelIndex(), index, index);
m_data.append(module);
connect(module, SIGNAL(hiddenChanged(bool)),
this, SLOT(moduleHidden(bool)));
connect(module, SIGNAL(hasIndexChanged(bool)),
this, SLOT(moduleIndexed(bool)));
connect(module, SIGNAL(unlockedChanged(bool)),
this, SLOT(moduleUnlocked(bool)));
endInsertRows();
}
void BtBookshelfModel::addModules(const QList<CSwordModuleInfo *> &modules) {
addModules(modules.toSet());
}
void BtBookshelfModel::addModules(const QSet<CSwordModuleInfo *> &modules) {
QList<CSwordModuleInfo *> newModules;
Q_FOREACH(CSwordModuleInfo *module, modules) {
if (!m_data.contains(module)) {
newModules.append(module);
}
}
if (newModules.isEmpty()) return;
beginInsertRows(QModelIndex(), m_data.size(),
m_data.size() + newModules.size() - 1);
Q_FOREACH(CSwordModuleInfo *module, newModules) {
m_data.append(module);
connect(module, SIGNAL(hiddenChanged(bool)),
this, SLOT(moduleHidden(bool)));
connect(module, SIGNAL(hasIndexChanged(bool)),
this, SLOT(moduleIndexed(bool)));
connect(module, SIGNAL(unlockedChanged(bool)),
this, SLOT(moduleUnlocked(bool)));
}
endInsertRows();
}
void BtBookshelfModel::removeModule(CSwordModuleInfo * const module,
bool destroy) {
const int index(m_data.indexOf(module));
if (index == -1) return;
beginRemoveRows(QModelIndex(), index, index);
disconnect(module, SIGNAL(hiddenChanged(bool)),
this, SLOT(moduleHidden(bool)));
disconnect(module, SIGNAL(hasIndexChanged(bool)),
this, SLOT(moduleIndexed(bool)));
disconnect(module, SIGNAL(unlockedChanged(bool)),
this, SLOT(moduleUnlocked(bool)));
m_data.removeAt(index);
endRemoveRows();
if (destroy) delete module;
}
void BtBookshelfModel::removeModules(const QList<CSwordModuleInfo *> &modules,
bool destroy) {
removeModules(modules.toSet(), destroy);
}
void BtBookshelfModel::removeModules(const QSet<CSwordModuleInfo *> &modules,
bool destroy) {
// This is inefficient, since signals are emitted for each removed module:
Q_FOREACH(CSwordModuleInfo *module, modules) {
removeModule(module, destroy);
}
}
CSwordModuleInfo* BtBookshelfModel::getModule(const QString &name) const {
Q_FOREACH(CSwordModuleInfo *module, m_data) {
if (UNLIKELY(module->name() == name)) return module;
}
return 0;
}
void BtBookshelfModel::moduleHidden(bool) {
Q_ASSERT(qobject_cast<CSwordModuleInfo*>(sender()) != 0);
moduleDataChanged(static_cast<CSwordModuleInfo*>(sender()));
}
void BtBookshelfModel::moduleIndexed(bool) {
Q_ASSERT(qobject_cast<CSwordModuleInfo*>(sender()) != 0);
moduleDataChanged(static_cast<CSwordModuleInfo*>(sender()));
}
void BtBookshelfModel::moduleUnlocked(bool) {
Q_ASSERT(qobject_cast<CSwordModuleInfo*>(sender()) != 0);
moduleDataChanged(static_cast<CSwordModuleInfo*>(sender()));
}
void BtBookshelfModel::moduleDataChanged(CSwordModuleInfo *module) {
Q_ASSERT(m_data.count(module) == 1);
QModelIndex i(index(m_data.indexOf(module), 0));
emit dataChanged(i, i);
}
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