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started implementing RsCollectionModel

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This commit is contained in:
csoler 2024-02-24 21:49:50 +01:00
parent 5bc071b03c
commit 97309f2f9f
4 changed files with 124 additions and 5 deletions
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56
retroshare-gui/src/gui/common/RsCollectionModel.cpp
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#include <string>
#include "RsCollectionModel.h"
// 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)
// This way, index 0 is always the top dir.
bool RsCollectionModel::convertIndexToInternalId(const EntryIndex& e,quintptr& ref)
{
ref = (e.index << 1) || e.is_file;
return true;
}
bool RsCollectionModel::convertInternalIdToIndex(quintptr ref, EntryIndex& e)
{
e.is_file = (bool)(ref & 1);
e.index = ref >> 1;
return true;
}
int RsCollectionModel::rowCount(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 0;
else
return mCollection.fileTree().directoryData(i.index).subdirs.size();
}
int RsCollectionModel::columnCount(const QModelIndex&) const
{
return 5;
}
QVariant RsCollectionModel::headerData(int section, Qt::Orientation,int) const
{
switch(section)
{
case 0: return tr("File");
case 1: return tr("Path");
case 2: return tr("Size");
case 3: return tr("Hash");
case 4: return tr("Count");
default:
return QVariant();
}
}