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added RsCollectionModel to RsCollectionDialog (unfiished)

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This commit is contained in:
csoler 2024-02-26 22:10:32 +01:00
parent eb0ef1e39b
commit eae4fe86aa
7 changed files with 208 additions and 146 deletions
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62
retroshare-gui/src/gui/common/RsCollectionModel.cpp
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@ -2,6 +2,10 @@
#include "RsCollectionModel.h"
RsCollectionModel::RsCollectionModel(const RsCollection& col, QObject *parent)
: QAbstractItemModel(parent),mCollection(col)
{}
// Indernal Id is always a quintptr_t (basically a uint with the size of a pointer). Depending on the
// architecture, the pointer may have 4 or 8 bytes. We use the low-level bit for type (0=dir, 1=file) and
// the remaining bits for the index (which will be accordingly understood as a FileIndex or a DirIndex)
@ -35,6 +39,21 @@ int RsCollectionModel::rowCount(const QModelIndex& parent) const
return mCollection.fileTree().directoryData(i.index).subdirs.size() + mCollection.fileTree().directoryData(i.index).subfiles.size();
}
bool RsCollectionModel::hasChildren(const QModelIndex & parent) const
{
if(!parent.isValid())
return mCollection.fileTree().root();
EntryIndex i;
if(!convertInternalIdToIndex(parent.internalId(),i))
return 0;
if(i.is_file)
return false;
else
return mCollection.fileTree().directoryData(i.index).subdirs.size() + mCollection.fileTree().directoryData(i.index).subfiles.size() > 0;
}
int RsCollectionModel::columnCount(const QModelIndex&) const
{
return 4;
@ -180,8 +199,47 @@ QVariant RsCollectionModel::decorationRole(const EntryIndex& i,int col) const
return QVariant();
}
void RsCollectionModel::preMods()
{
mUpdating = true;
emit layoutAboutToBeChanged();
}
void RsCollectionModel::postMods()
{
// update all the local structures
mDirParents.clear();
mFileParents.clear();
mDirSizes.clear();
uint64_t s;
recursUpdateLocalStructures(mCollection.fileTree().root(),s);
mUpdating = false;
emit layoutChanged();
}
void RsCollectionModel::recursUpdateLocalStructures(RsFileTree::DirIndex dir_index,uint64_t& total_size)
{
total_size = 0;
const auto& dd(mCollection.fileTree().directoryData(dir_index));
for(uint32_t i=0;i<dd.subfiles.size();++i)
{
total_size += mCollection.fileTree().fileData(dd.subfiles[i]).size;
mFileParents[dd.subfiles[i]] = dir_index;
}
for(uint32_t i=0;i<dd.subdirs.size();++i)
{
uint64_t ss;
recursUpdateLocalStructures(dd.subdirs[i],ss);
total_size += ss;
mDirParents[dd.subdirs[i]] = dir_index;
}
mDirSizes[dir_index] = total_size;
}