PrimeWorldEditor/src/Editor/ResourceBrowser/CResourceTableModel.cpp

324 lines
9.6 KiB
C++

#include "CResourceTableModel.h"
#include "CResourceBrowser.h"
#include "CResourceMimeData.h"
CResourceTableModel::CResourceTableModel(CResourceBrowser *pBrowser, QObject *pParent /*= 0*/)
: QAbstractTableModel(pParent)
, mpCurrentDir(nullptr)
{
connect(pBrowser, SIGNAL(ResourceMoved(CResourceEntry*,CVirtualDirectory*,TString)), this, SLOT(OnResourceMoved(CResourceEntry*,CVirtualDirectory*,TString)));
connect(pBrowser, SIGNAL(DirectoryMoved(CVirtualDirectory*,CVirtualDirectory*,TString)), this, SLOT(OnDirectoryMoved(CVirtualDirectory*,CVirtualDirectory*,TString)));
}
// ************ INTERFACE ************
int CResourceTableModel::rowCount(const QModelIndex&) const
{
return mDirectories.size() + mEntries.size();
}
int CResourceTableModel::columnCount(const QModelIndex&) const
{
return 1;
}
QVariant CResourceTableModel::data(const QModelIndex& rkIndex, int Role) const
{
if (rkIndex.column() != 0)
return QVariant::Invalid;
// Directory
if (IsIndexDirectory(rkIndex))
{
CVirtualDirectory *pDir = IndexDirectory(rkIndex);
if (Role == Qt::DisplayRole || Role == Qt::ToolTipRole)
return ( (mpCurrentDir && !mpCurrentDir->IsRoot() && rkIndex.row() == 0)
? ".." : TO_QSTRING(pDir->Name()));
else if (Role == Qt::DecorationRole)
return QIcon(":/icons/Open_24px.png");
else
return QVariant::Invalid;
}
// Resource
CResourceEntry *pEntry = IndexEntry(rkIndex);
if (Role == Qt::DisplayRole)
return TO_QSTRING(pEntry->Name());
else if (Role == Qt::ToolTipRole)
return TO_QSTRING(pEntry->CookedAssetPath(true));
else if (Role == Qt::DecorationRole)
return QIcon(":/icons/Sphere Preview.png");
return QVariant::Invalid;
}
Qt::ItemFlags CResourceTableModel::flags(const QModelIndex& rkIndex) const
{
Qt::ItemFlags Out = Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | Qt::ItemIsEnabled;
if (IsIndexDirectory(rkIndex))
Out |= Qt::ItemIsDropEnabled;
return Out;
}
bool CResourceTableModel::canDropMimeData(const QMimeData *pkData, Qt::DropAction, int Row, int Column, const QModelIndex& rkParent) const
{
const CResourceMimeData *pkMimeData = qobject_cast<const CResourceMimeData*>(pkData);
if (pkMimeData)
{
// Make sure we're dropping onto a directory
QModelIndex Index = (rkParent.isValid() ? rkParent : index(Row, Column, rkParent));
if (Index.isValid())
{
CVirtualDirectory *pDir = IndexDirectory(Index);
if (pDir)
{
// Make sure this directory isn't part of the mime data, or a subdirectory of a directory in the mime data
foreach (CVirtualDirectory *pMimeDir, pkMimeData->Directories())
{
if (pDir == pMimeDir || pDir->IsDescendantOf(pMimeDir))
return false;
}
// Valid directory
return true;
}
}
else return false;
}
return false;
}
bool CResourceTableModel::dropMimeData(const QMimeData *pkData, Qt::DropAction, int Row, int Column, const QModelIndex& rkParent)
{
const CResourceMimeData *pkMimeData = qobject_cast<const CResourceMimeData*>(pkData);
QModelIndex Index = (rkParent.isValid() ? rkParent : index(Row, Column, rkParent));
CVirtualDirectory *pDir = IndexDirectory(Index);
ASSERT(pDir);
gpEdApp->ResourceBrowser()->MoveResources( pkMimeData->Resources(), pkMimeData->Directories(), pDir );
return true;
}
QMimeData* CResourceTableModel::mimeData(const QModelIndexList& rkIndexes) const
{
if (rkIndexes.isEmpty())
return nullptr;
QList<CResourceEntry*> Resources;
QList<CVirtualDirectory*> Dirs;
foreach(QModelIndex Index, rkIndexes)
{
CResourceEntry *pEntry = IndexEntry(Index);
CVirtualDirectory *pDir = IndexDirectory(Index);
if (pEntry) Resources << pEntry;
else Dirs << pDir;
}
return new CResourceMimeData(Resources, Dirs);
}
Qt::DropActions CResourceTableModel::supportedDragActions() const
{
return Qt::MoveAction | Qt::CopyAction;
}
Qt::DropActions CResourceTableModel::supportedDropActions() const
{
return Qt::MoveAction;
}
// ************ FUNCTIONALITY ************
QModelIndex CResourceTableModel::GetIndexForEntry(CResourceEntry *pEntry) const
{
auto Iter = qBinaryFind(mEntries, pEntry);
if (Iter == mEntries.end())
return QModelIndex();
else
{
int Index = Iter - mEntries.begin();
return index(mDirectories.size() + Index, 0, QModelIndex());
}
}
QModelIndex CResourceTableModel::GetIndexForDirectory(CVirtualDirectory *pDir) const
{
for (int DirIdx = 0; DirIdx < mDirectories.size(); DirIdx++)
{
if (mDirectories[DirIdx] == pDir)
return index(DirIdx, 0, QModelIndex());
}
return QModelIndex();
}
CResourceEntry* CResourceTableModel::IndexEntry(const QModelIndex& rkIndex) const
{
int Index = rkIndex.row() - mDirectories.size();
return (Index >= 0 ? mEntries[Index] : nullptr);
}
CVirtualDirectory* CResourceTableModel::IndexDirectory(const QModelIndex& rkIndex) const
{
return (IsIndexDirectory(rkIndex) ? mDirectories[rkIndex.row()] : nullptr);
}
bool CResourceTableModel::IsIndexDirectory(const QModelIndex& rkIndex) const
{
return rkIndex.row() >= 0 && rkIndex.row() < mDirectories.size();
}
void CResourceTableModel::FillEntryList(CVirtualDirectory *pDir, bool AssetListMode)
{
beginResetModel();
mpCurrentDir = pDir;
mEntries.clear();
mDirectories.clear();
mIsAssetListMode = AssetListMode;
if (pDir)
{
// In filesystem mode, show only subdirectories and assets in the current directory.
if (!mIsAssetListMode)
{
if (!pDir->IsRoot())
mDirectories << pDir->Parent();
for (u32 iDir = 0; iDir < pDir->NumSubdirectories(); iDir++)
mDirectories << pDir->SubdirectoryByIndex(iDir);
for (u32 iRes = 0; iRes < pDir->NumResources(); iRes++)
{
CResourceEntry *pEntry = pDir->ResourceByIndex(iRes);
if (pEntry->TypeInfo()->IsVisibleInBrowser() && !pEntry->IsHidden())
{
int Index = EntryListIndex(pEntry);
mEntries.insert(Index, pEntry);
}
}
}
// In asset list mode, do not show subdirectories and show all assets in current directory + all subdirectories.
else
RecursiveAddDirectoryContents(pDir);
}
endResetModel();
}
void CResourceTableModel::RecursiveAddDirectoryContents(CVirtualDirectory *pDir)
{
for (u32 iRes = 0; iRes < pDir->NumResources(); iRes++)
{
CResourceEntry *pEntry = pDir->ResourceByIndex(iRes);
if (pEntry->TypeInfo()->IsVisibleInBrowser() && !pEntry->IsHidden())
{
int Index = EntryListIndex(pEntry);
mEntries.insert(Index, pEntry);
}
}
for (u32 iDir = 0; iDir < pDir->NumSubdirectories(); iDir++)
RecursiveAddDirectoryContents(pDir->SubdirectoryByIndex(iDir));
}
int CResourceTableModel::EntryListIndex(CResourceEntry *pEntry)
{
return qLowerBound(mEntries, pEntry) - mEntries.constBegin();
}
void CResourceTableModel::OnResourceMoved(CResourceEntry *pEntry, CVirtualDirectory *pOldDir, TString OldName)
{
CVirtualDirectory *pNewDir = pEntry->Directory();
bool WasInModel = (pOldDir == mpCurrentDir || (mIsAssetListMode && pOldDir->IsDescendantOf(mpCurrentDir)));
bool IsInModel = (pNewDir == mpCurrentDir || (mIsAssetListMode && pNewDir->IsDescendantOf(mpCurrentDir)));
// Handle rename
if (WasInModel && IsInModel && pEntry->Name() != OldName)
{
int ResIdx = EntryListIndex(pEntry);
int Row = ResIdx + mDirectories.size();
QModelIndex Index = index(Row, 0, QModelIndex());
emit dataChanged(Index, Index);
}
else if (pNewDir != pOldDir)
{
// Remove
if (WasInModel && !IsInModel)
{
int Pos = EntryListIndex(pEntry);
int Row = mDirectories.size() + Pos;
beginRemoveRows(QModelIndex(), Row, Row);
mEntries.removeAt(Pos);
endRemoveRows();
}
// Add
else if (!WasInModel && IsInModel)
{
int Index = EntryListIndex(pEntry);
int Row = mDirectories.size() + Index;
beginInsertRows(QModelIndex(), Row, Row);
mEntries.insert(Index, pEntry);
endInsertRows();
}
}
}
void CResourceTableModel::OnDirectoryMoved(CVirtualDirectory *pDir, CVirtualDirectory *pOldDir, TString OldName)
{
CVirtualDirectory *pNewDir = pDir->Parent();
bool WasInModel = !mIsAssetListMode && pOldDir == mpCurrentDir;
bool IsInModel = !mIsAssetListMode && pNewDir == mpCurrentDir;
// Handle rename
if (WasInModel && IsInModel && pDir->Name() != OldName)
{
QModelIndex Index = GetIndexForDirectory(pDir);
emit dataChanged(Index, Index);
}
else if (pNewDir != pOldDir)
{
// Remove
if (WasInModel && !IsInModel)
{
QModelIndex Index = GetIndexForDirectory(pDir);
beginRemoveRows(QModelIndex(), Index.row(), Index.row());
mDirectories.removeOne(pDir);
endRemoveRows();
}
// Add
else if (!WasInModel && !IsInModel)
{
// Just append to the end, let the proxy handle sorting
beginInsertRows(QModelIndex(), mDirectories.size(), mDirectories.size());
mDirectories << pDir;
endInsertRows();
}
}
}