mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
initial attempt at creating an ItemModel for forums
This commit is contained in:
csoler
parent
a802e494f8
commit
9d49ca0e4c
409
retroshare-gui/src/gui/gxsforums/GxsForumModel.cpp
Normal file
409
retroshare-gui/src/gui/gxsforums/GxsForumModel.cpp
Normal file
@ -0,0 +1,409 @@
|
||||
#include <QApplication>
|
||||
#include <QFontMetrics>
|
||||
#include <QModelIndex>
|
||||
|
||||
#include "GxsForumModel.h"
|
||||
|
||||
#define DEBUG_FORUMMODEL
|
||||
|
||||
#define COLUMN_TITLE 0
|
||||
#define COLUMN_READ_STATUS 1
|
||||
#define COLUMN_DATE 2
|
||||
#define COLUMN_AUTHOR 3
|
||||
#define COLUMN_COUNT 4
|
||||
|
||||
Q_DECLARE_METATYPE(RsMsgMetaData);
|
||||
|
||||
std::ostream& operator<<(std::ostream& o, const QModelIndex& i)
|
||||
{
|
||||
return o << i.row() << "," << i.column() << "," << i.internalPointer() ;
|
||||
}
|
||||
|
||||
RsGxsForumModel::RsGxsForumModel(QObject *parent)
|
||||
: QAbstractItemModel(parent)
|
||||
{
|
||||
mPosts.resize(1); // adds a sentinel item
|
||||
}
|
||||
|
||||
int RsGxsForumModel::rowCount(const QModelIndex& parent) const
|
||||
{
|
||||
void *ref = (parent.isValid())?parent.internalPointer():NULL ;
|
||||
|
||||
if(mPosts.empty()) // security. Should never happen.
|
||||
return 0;
|
||||
|
||||
uint32_t entry = 0 ;
|
||||
int source_id ;
|
||||
|
||||
if(!convertRefPointerToTabEntry(ref,entry) || entry >= mPosts.size())
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "rowCount-2(" << parent << ") : " << 0 << std::endl;
|
||||
#endif
|
||||
return 0 ;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "rowCount-3(" << parent << ") : " << mPosts[entry].children.size() << std::endl;
|
||||
#endif
|
||||
return mPosts[entry].children.size();
|
||||
}
|
||||
|
||||
int RsGxsForumModel::columnCount(const QModelIndex &parent) const
|
||||
{
|
||||
return COLUMN_COUNT ;
|
||||
}
|
||||
|
||||
bool RsGxsForumModel::hasChildren(const QModelIndex &parent) const
|
||||
{
|
||||
void *ref = (parent.isValid())?parent.internalPointer():NULL ;
|
||||
uint32_t entry = 0;
|
||||
|
||||
if(!ref)
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "hasChildren-1(" << parent << ") : " << true << std::endl;
|
||||
#endif
|
||||
return true ;
|
||||
}
|
||||
|
||||
if(!convertRefPointerToTabEntry(ref,entry) || entry >= mPosts.size())
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "hasChildren-2(" << parent << ") : " << false << std::endl;
|
||||
#endif
|
||||
return false ;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_DOWNLOADLIST
|
||||
std::cerr << "hasChildren-3(" << parent << ") : " << !mDownloads[entry].peers.empty() << std::endl;
|
||||
#endif
|
||||
return !mPosts[entry].children.empty();
|
||||
}
|
||||
|
||||
bool RsGxsForumModel::convertTabEntryToRefPointer(uint32_t entry,void *& ref)
|
||||
{
|
||||
// the pointer is formed the following way:
|
||||
//
|
||||
// [ 32 bits ]
|
||||
//
|
||||
// This means that the whole software has the following build-in limitation:
|
||||
// * 4 B simultaenous posts. Should be enough !
|
||||
|
||||
ref = reinterpret_cast<void*>( (intptr_t)entry );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool RsGxsForumModel::convertRefPointerToTabEntry(void *ref,uint32_t& entry)
|
||||
{
|
||||
intptr_t val = (intptr_t)ref;
|
||||
|
||||
if(val > (intptr_t)(~(uint32_t(0)))) // make sure the pointer is an int that fits in 32bits
|
||||
{
|
||||
std::cerr << "(EE) trying to make a ForumModelIndex out of a number that is larger than 2^32 !" << std::endl;
|
||||
return false ;
|
||||
}
|
||||
entry = uint32_t(val);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
QModelIndex RsGxsForumModel::index(int row, int column, const QModelIndex & parent) const
|
||||
{
|
||||
if(row < 0 || column < 0 || column >= COLUMN_COUNT)
|
||||
return QModelIndex();
|
||||
|
||||
void *parent_ref = (parent.isValid())?parent.internalPointer():NULL ;
|
||||
uint32_t entry = 0;
|
||||
int source_id=0 ;
|
||||
|
||||
if(!parent_ref) // top level. The entry is that of a transfer
|
||||
{
|
||||
void *ref = NULL ;
|
||||
|
||||
if(row >= (int)mPosts.size() || !convertTabEntryToRefPointer(row,ref))
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "index-1(" << row << "," << column << " parent=" << parent << ") : " << "NULL" << std::endl;
|
||||
#endif
|
||||
return QModelIndex() ;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "index-2(" << row << "," << column << " parent=" << parent << ") : " << createIndex(row,column,ref) << std::endl;
|
||||
#endif
|
||||
return createIndex(row,column,ref) ;
|
||||
}
|
||||
|
||||
if(!convertRefPointerToTabEntry(parent_ref,entry) || entry >= mPosts.size())
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "index-5(" << row << "," << column << " parent=" << parent << ") : " << "NULL"<< std::endl ;
|
||||
#endif
|
||||
return QModelIndex() ;
|
||||
}
|
||||
|
||||
void *ref = NULL ;
|
||||
|
||||
if(row >= mPosts[entry].children.size() || !convertTabEntryToRefPointer(mPosts[entry].children[row],ref))
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "index-4(" << row << "," << column << " parent=" << parent << ") : " << "NULL" << std::endl;
|
||||
#endif
|
||||
return QModelIndex() ;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "index-3(" << row << "," << column << " parent=" << parent << ") : " << createIndex(row,column,ref) << std::endl;
|
||||
#endif
|
||||
return createIndex(row,column,ref) ;
|
||||
}
|
||||
|
||||
QModelIndex RsGxsForumModel::parent(const QModelIndex& child) const
|
||||
{
|
||||
void *child_ref = (child.isValid())?child.internalPointer():NULL ;
|
||||
uint32_t entry = 0;
|
||||
int source_id=0 ;
|
||||
|
||||
if(!child_ref)
|
||||
return QModelIndex() ;
|
||||
|
||||
if(!convertRefPointerToTabEntry(child_ref,entry) || entry >= mPosts.size())
|
||||
return QModelIndex() ;
|
||||
|
||||
void *parent_ref =NULL;
|
||||
|
||||
if(!convertTabEntryToRefPointer(mPosts[entry].parent,parent_ref))
|
||||
return QModelIndex() ;
|
||||
|
||||
return createIndex(entry,child.column(),parent_ref) ; // I'm not sure about the .column() here !
|
||||
}
|
||||
|
||||
QVariant RsGxsForumModel::headerData(int section, Qt::Orientation orientation, int role) const
|
||||
{
|
||||
if(role != Qt::DisplayRole)
|
||||
return QVariant();
|
||||
|
||||
switch(section)
|
||||
{
|
||||
default:
|
||||
case COLUMN_TITLE: return tr("Title");
|
||||
case COLUMN_READ_STATUS: return tr("Read Status");
|
||||
case COLUMN_DATE: return tr("Date");
|
||||
case COLUMN_AUTHOR: return tr("Author");
|
||||
}
|
||||
}
|
||||
|
||||
QVariant RsGxsForumModel::data(const QModelIndex &index, int role) const
|
||||
{
|
||||
if(!index.isValid())
|
||||
return QVariant();
|
||||
|
||||
int coln = index.column() ;
|
||||
|
||||
switch(role)
|
||||
{
|
||||
case Qt::SizeHintRole: return sizeHintRole(index.column()) ;
|
||||
case Qt::TextAlignmentRole:
|
||||
case Qt::TextColorRole:
|
||||
case Qt::WhatsThisRole:
|
||||
case Qt::EditRole:
|
||||
case Qt::ToolTipRole:
|
||||
case Qt::StatusTipRole:
|
||||
return QVariant();
|
||||
}
|
||||
|
||||
void *ref = (index.isValid())?index.internalPointer():NULL ;
|
||||
uint32_t entry = 0;
|
||||
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "data(" << index << ")" ;
|
||||
#endif
|
||||
|
||||
if(!ref)
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << " [empty]" << std::endl;
|
||||
#endif
|
||||
return QVariant() ;
|
||||
}
|
||||
|
||||
if(!convertRefPointerToTabEntry(ref,entry) || entry >= mPosts.size())
|
||||
{
|
||||
#ifdef DEBUG_FORUMMODEL
|
||||
std::cerr << "Bad pointer: " << (void*)ref << std::endl;
|
||||
#endif
|
||||
return QVariant() ;
|
||||
}
|
||||
|
||||
const RsMsgMetaData& meta(mPosts[entry].meta_versions[0]) ;
|
||||
|
||||
#ifdef DEBUG_DOWNLOADLIST
|
||||
std::cerr << " [ok]" << std::endl;
|
||||
#endif
|
||||
|
||||
switch(role)
|
||||
{
|
||||
case Qt::DisplayRole: return displayRole (meta,index.column()) ;
|
||||
case Qt::DecorationRole: return decorationRole(meta,index.column()) ;
|
||||
case Qt::UserRole: return userRole (meta,index.column()) ;
|
||||
default:
|
||||
return QVariant();
|
||||
}
|
||||
}
|
||||
|
||||
QVariant RsGxsForumModel::sizeHintRole(int col) const
|
||||
{
|
||||
float factor = QFontMetricsF(QApplication::font()).height()/14.0f ;
|
||||
|
||||
switch(col)
|
||||
{
|
||||
default:
|
||||
case COLUMN_TITLE: return QVariant( factor * 170 );
|
||||
case COLUMN_READ_STATUS: return QVariant( factor * 10 );
|
||||
case COLUMN_DATE: return QVariant( factor * 75 );
|
||||
case COLUMN_AUTHOR: return QVariant( factor * 75 );
|
||||
}
|
||||
}
|
||||
|
||||
QVariant RsGxsForumModel::displayRole(const RsMsgMetaData& meta,int col) const
|
||||
{
|
||||
switch(col)
|
||||
{
|
||||
case COLUMN_TITLE: return QVariant(QString::fromUtf8(meta.mMsgName.c_str()));
|
||||
case COLUMN_READ_STATUS: return QVariant(meta.mMsgStatus);
|
||||
case COLUMN_DATE: return QVariant(qulonglong(meta.mPublishTs));
|
||||
case COLUMN_AUTHOR: return QVariant(QString::fromStdString(meta.mAuthorId.toStdString()));
|
||||
|
||||
default:
|
||||
return QVariant("[ TODO ]");
|
||||
}
|
||||
|
||||
|
||||
return QVariant("[ERROR]");
|
||||
}
|
||||
|
||||
QVariant RsGxsForumModel::userRole(const RsMsgMetaData &meta, int col) const
|
||||
{
|
||||
#ifdef TODO
|
||||
switch(col)
|
||||
{
|
||||
case COLUMN_PROGRESS:
|
||||
{
|
||||
FileChunksInfo fcinfo;
|
||||
if (!rsFiles->FileDownloadChunksDetails(fileInfo.hash, fcinfo))
|
||||
return QVariant();
|
||||
|
||||
FileProgressInfo pinfo;
|
||||
pinfo.cmap = fcinfo.chunks;
|
||||
pinfo.type = FileProgressInfo::DOWNLOAD_LINE;
|
||||
pinfo.progress = (fileInfo.size == 0) ? 0 : (fileInfo.transfered * 100.0 / fileInfo.size);
|
||||
pinfo.nb_chunks = pinfo.cmap._map.empty() ? 0 : fcinfo.chunks.size();
|
||||
|
||||
for (uint32_t i = 0; i < fcinfo.chunks.size(); ++i)
|
||||
switch(fcinfo.chunks[i])
|
||||
{
|
||||
case FileChunksInfo::CHUNK_CHECKING: pinfo.chunks_in_checking.push_back(i);
|
||||
break ;
|
||||
case FileChunksInfo::CHUNK_ACTIVE: pinfo.chunks_in_progress.push_back(i);
|
||||
break ;
|
||||
case FileChunksInfo::CHUNK_DONE:
|
||||
case FileChunksInfo::CHUNK_OUTSTANDING:
|
||||
break ;
|
||||
}
|
||||
|
||||
return QVariant::fromValue(pinfo);
|
||||
}
|
||||
|
||||
case COLUMN_ID: return QVariant(QString::fromStdString(fileInfo.hash.toStdString()));
|
||||
|
||||
|
||||
default:
|
||||
return QVariant();
|
||||
}
|
||||
}
|
||||
#endif
|
||||
return QVariant();
|
||||
|
||||
}
|
||||
|
||||
QVariant RsGxsForumModel::decorationRole(const RsMsgMetaData& meta,int col) const
|
||||
{
|
||||
return QVariant();
|
||||
}
|
||||
|
||||
void RsGxsForumModel::update_posts()
|
||||
{
|
||||
#ifdef TODO
|
||||
std::list<RsFileHash> downHashes;
|
||||
rsFiles->FileDownloads(downHashes);
|
||||
|
||||
size_t old_size = mDownloads.size();
|
||||
|
||||
mDownloads.resize(downHashes.size()) ;
|
||||
|
||||
if(old_size < mDownloads.size())
|
||||
{
|
||||
beginInsertRows(QModelIndex(), old_size, mDownloads.size()-1);
|
||||
insertRows(old_size, mDownloads.size() - old_size);
|
||||
endInsertRows();
|
||||
}
|
||||
else if(mDownloads.size() < old_size)
|
||||
{
|
||||
beginRemoveRows(QModelIndex(), mDownloads.size(), old_size-1);
|
||||
removeRows(mDownloads.size(), old_size - mDownloads.size());
|
||||
endRemoveRows();
|
||||
}
|
||||
|
||||
uint32_t i=0;
|
||||
|
||||
for(auto it(downHashes.begin());it!=downHashes.end();++it,++i)
|
||||
{
|
||||
FileInfo fileInfo(mDownloads[i]); // we dont update the data itself but only a copy of it....
|
||||
int old_size = fileInfo.peers.size() ;
|
||||
|
||||
rsFiles->FileDetails(*it, RS_FILE_HINTS_DOWNLOAD, fileInfo);
|
||||
|
||||
int new_size = fileInfo.peers.size() ;
|
||||
|
||||
if(old_size < new_size)
|
||||
{
|
||||
beginInsertRows(index(i,0), old_size, new_size-1);
|
||||
insertRows(old_size, new_size - old_size,index(i,0));
|
||||
#ifdef DEBUG_DOWNLOADLIST
|
||||
std::cerr << "called insert rows ( " << old_size << ", " << new_size - old_size << ",index(" << index(i,0)<< "))" << std::endl;
|
||||
#endif
|
||||
endInsertRows();
|
||||
}
|
||||
else if(new_size < old_size)
|
||||
{
|
||||
beginRemoveRows(index(i,0), new_size, old_size-1);
|
||||
removeRows(new_size, old_size - new_size,index(i,0));
|
||||
#ifdef DEBUG_DOWNLOADLIST
|
||||
std::cerr << "called remove rows ( " << old_size << ", " << old_size - new_size << ",index(" << index(i,0)<< "))" << std::endl;
|
||||
#endif
|
||||
endRemoveRows();
|
||||
}
|
||||
|
||||
uint32_t old_status = mDownloads[i].downloadStatus ;
|
||||
|
||||
mDownloads[i] = fileInfo ; // ... because insertRows() calls rowCount() which needs to be consistent with the *old* number of rows.
|
||||
|
||||
if(fileInfo.downloadStatus == FT_STATE_DOWNLOADING || old_status != fileInfo.downloadStatus)
|
||||
{
|
||||
QModelIndex topLeft = createIndex(i,0), bottomRight = createIndex(i, COLUMN_COUNT-1);
|
||||
emit dataChanged(topLeft, bottomRight);
|
||||
}
|
||||
|
||||
// This is apparently not needed.
|
||||
//
|
||||
// if(!mDownloads.empty())
|
||||
// {
|
||||
// QModelIndex topLeft = createIndex(0,0), bottomRight = createIndex(mDownloads.size()-1, COLUMN_COUNT-1);
|
||||
// emit dataChanged(topLeft, bottomRight);
|
||||
// mDownloads[i] = fileInfo ;
|
||||
// }
|
||||
}
|
||||
#endif
|
||||
}
|
||||
53
retroshare-gui/src/gui/gxsforums/GxsForumModel.h
Normal file
53
retroshare-gui/src/gui/gxsforums/GxsForumModel.h
Normal file
@ -0,0 +1,53 @@
|
||||
#include "retroshare/rsgxsifacetypes.h"
|
||||
|
||||
// This class holds the actual hierarchy of posts, represented by identifiers
|
||||
// It is responsible for auto-updating when necessary and holds a mutex to allow the Model to
|
||||
// safely access the data.
|
||||
|
||||
// The model contains a post in place 0 that is the parent of all posts.
|
||||
|
||||
typedef uint32_t ForumModelIndex;
|
||||
|
||||
struct ForumPostEntry
|
||||
{
|
||||
std::vector<RsMsgMetaData> meta_versions; // maybe we don't need all this. Could be too large.
|
||||
|
||||
std::vector<ForumModelIndex> children;
|
||||
ForumModelIndex parent;
|
||||
};
|
||||
|
||||
// This class is the item model used by Qt to display the information
|
||||
|
||||
class RsGxsForumModel : public QAbstractItemModel
|
||||
{
|
||||
// Q_OBJECT
|
||||
|
||||
public:
|
||||
explicit RsGxsForumModel(QObject *parent = NULL);
|
||||
~RsGxsForumModel(){}
|
||||
|
||||
enum Roles{ SortRole = Qt::UserRole+1 };
|
||||
|
||||
int rowCount(const QModelIndex& parent = QModelIndex()) const;
|
||||
int columnCount(const QModelIndex &parent = QModelIndex()) const;
|
||||
bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
|
||||
|
||||
QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
|
||||
QModelIndex parent(const QModelIndex& child) const;
|
||||
|
||||
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
|
||||
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
|
||||
|
||||
QVariant sizeHintRole(int col) const;
|
||||
QVariant displayRole(const RsMsgMetaData& meta, int col) const;
|
||||
QVariant userRole(const RsMsgMetaData& meta, int col) const;
|
||||
QVariant decorationRole(const RsMsgMetaData &meta, int col) const;
|
||||
|
||||
void update_posts();
|
||||
|
||||
private:
|
||||
static bool convertTabEntryToRefPointer(uint32_t entry,void *& ref);
|
||||
static bool convertRefPointerToTabEntry(void *ref,uint32_t& entry);
|
||||
|
||||
std::vector<ForumPostEntry> mPosts ; // store the list of posts updated from rsForums.
|
||||
};
|
||||
@ -1231,6 +1231,7 @@ gxsforums {
|
||||
gui/gxsforums/CreateGxsForumMsg.h \
|
||||
gui/gxsforums/GxsForumThreadWidget.h \
|
||||
gui/gxsforums/GxsForumsFillThread.h \
|
||||
gui/gxsforums/GxsForumModel.h \
|
||||
gui/gxsforums/GxsForumUserNotify.h \
|
||||
gui/feeds/GxsForumGroupItem.h \
|
||||
gui/feeds/GxsForumMsgItem.h
|
||||
@ -1244,6 +1245,7 @@ gxsforums {
|
||||
gui/gxsforums/GxsForumGroupDialog.cpp \
|
||||
gui/gxsforums/CreateGxsForumMsg.cpp \
|
||||
gui/gxsforums/GxsForumThreadWidget.cpp \
|
||||
gui/gxsforums/GxsForumModel.cpp \
|
||||
gui/gxsforums/GxsForumsFillThread.cpp \
|
||||
gui/gxsforums/GxsForumUserNotify.cpp \
|
||||
gui/feeds/GxsForumGroupItem.cpp \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user