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#include "lspackagemodel.h"
struct ContentKind {
LYTPackageBase::ItemType type;
QString name;
};
static const ContentKind ContentKinds[4] = {
{LYTPackageBase::Layout, "Layouts"},
{LYTPackageBase::Animation, "Animations"},
{LYTPackageBase::Texture, "Textures"},
{LYTPackageBase::Font, "Fonts"},
};
const int ContentKindCount = 4;
static int ContentKindForType(LYTPackageBase::ItemType type) {
switch (type) {
case LYTPackageBase::Layout: return 0;
case LYTPackageBase::Animation: return 1;
case LYTPackageBase::Texture: return 2;
case LYTPackageBase::Font: return 3;
}
return -1;
}
LSPackageModel::LSPackageModel(LYTPackageBase *pkg, QObject *parent) :
QAbstractItemModel(parent)
{
m_package = pkg;
m_caches = new QStringList[ContentKindCount];
for (int i = 0; i < ContentKindCount; i++) {
m_caches[i] = pkg->list(ContentKinds[i].type);
m_caches[i].sort();
}
connect(pkg, SIGNAL(fileWasAdded(LYTPackageBase::ItemType,QString)), SLOT(handleFileWasAdded(LYTPackageBase::ItemType,QString)));
//connect(pkg, SIGNAL(fileWasModified(LYTPackageBase::ItemType,QString)), SLOT(handleFileWasModified(LYTPackageBase::ItemType,QString)));
connect(pkg, SIGNAL(fileWasRemoved(LYTPackageBase::ItemType,QString)), SLOT(handleFileWasRemoved(LYTPackageBase::ItemType,QString)));
connect(pkg, SIGNAL(fileWasRenamed(LYTPackageBase::ItemType,QString,QString)), SLOT(handleFileWasRenamed(LYTPackageBase::ItemType,QString,QString)));
}
LSPackageModel::~LSPackageModel() {
delete[] m_caches;
}
QModelIndex LSPackageModel::index(int row, int column, const QModelIndex &parent) const {
if (!hasIndex(row, column, parent))
return QModelIndex();
if (!parent.isValid())
return createIndex(row, column, 0);
return createIndex(row, column, parent.row() + 1);
}
QModelIndex LSPackageModel::parent(const QModelIndex &child) const {
if (!child.isValid())
return QModelIndex();
if (child.internalId() > 0)
return createIndex(child.internalId() - 1, 0, 0);
else
return QModelIndex();
}
int LSPackageModel::rowCount(const QModelIndex &parent) const {
if (!parent.isValid())
return ContentKindCount;
else if (parent.internalId() > 0)
return 0; // an actual item
else
return m_caches[parent.row()].count();
}
int LSPackageModel::columnCount(const QModelIndex &parent) const {
return 1;
}
QVariant LSPackageModel::data(const QModelIndex &index, int role) const {
if (!index.isValid())
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
int whatIs = index.internalId();
if (whatIs == 0)
return ContentKinds[index.row()].name;
else
return m_caches[whatIs - 1].at(index.row());
}
void LSPackageModel::handleFileWasAdded(LYTPackageBase::ItemType type, QString name) {
int kind = ContentKindForType(type);
QStringList newCache = m_caches[kind];
newCache.append(name);
newCache.sort();
// where was this added?
int idx = newCache.indexOf(name);
beginInsertRows(createIndex(kind, 0, 0), idx, idx);
m_caches[kind] = newCache;
endInsertRows();
}
void LSPackageModel::handleFileWasRemoved(LYTPackageBase::ItemType type, QString name) {
int kind = ContentKindForType(type);
int idx = m_caches[kind].indexOf(name);
beginRemoveRows(createIndex(kind, 0, 0), idx, idx);
m_caches[kind].removeAt(idx);
endRemoveRows();
}
void LSPackageModel::handleFileWasRenamed(LYTPackageBase::ItemType type, QString from, QString to) {
int kind = ContentKindForType(type);
QStringList newCache = m_caches[kind];
int fromIdx = newCache.indexOf(from);
// this is really a mess, but I cannot think of a better way to do it
// first, make a new cache, but don't store it to m_caches yet...
newCache[fromIdx] = to;
newCache.sort();
// and now, get the to Index...
int toIdx = newCache.indexOf(to);
// if the new index is less than the old one, then leave it that way
// if the new index is the same as the old one, that's fine, do nothing
// if the new index is more than the old one... add 1 to it to take into
// account that the old one is no longer around when it was computed BUT Qt
// expects it to be
// did that make sense? probably not, oh well
if (toIdx > fromIdx)
toIdx++;
QModelIndex whatChanged = createIndex(fromIdx, 0, kind + 1);
emit dataChanged(whatChanged, whatChanged);
QModelIndex parent = createIndex(kind, 0, 0);
if (toIdx != fromIdx)
beginMoveRows(parent, fromIdx, fromIdx, parent, toIdx);
m_caches[kind] = newCache;
if (toIdx != fromIdx)
endMoveRows();
}
QString LSPackageModel::itemNameForIndex(const QModelIndex &index) const {
if (index.internalId() > 0)
return m_caches[index.internalId() - 1].at(index.row());
return QString();
}
LYTPackageBase::ItemType LSPackageModel::itemTypeForIndex(const QModelIndex &index) const {
if (index.internalId() > 0)
return ContentKinds[index.internalId() - 1].type;
return (LYTPackageBase::ItemType)-1;
}
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