Git-Mirrors/RetroShare
1
0
Fork 0
mirror of https://github.com/RetroShare/RetroShare.git synced 2024-12-27 16:39:29 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

create an index iterator in ForumModel

Browse Source
This commit is contained in:
csoler 2018-11-26 21:18:28 +01:00
parent 6bb8e3ffd0
commit 581e892d94
No known key found for this signature in database
GPG Key ID: 7BCA522266C0804C
2 changed files with 99 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
retroshare-gui/src/gui/gxsforums/GxsForumModel.cpp
View File

@ -1040,22 +1040,94 @@ QModelIndex RsGxsForumModel::getIndexOfMessage(const RsGxsMessageId& mid) const
QModelIndex RsGxsForumModel::getNextIndex(const QModelIndex& i,bool unread_only) const
{
#ifdef TODO
ForumModelIndex fmi ;
convertRefPointerToTabEntry(i.internalPointer(),fmi);
// Algorithm is simple: visit children recursively. When none available, go to parent. We need of course a stack of parents to the current index.
std::list<ForumModelIndex> parent_stack ;
const_iterator it(*this,fmi);
for(ForumModelIndex tmp(fmi);tmp!=0;tmp=mPosts[tmp].mParent)
parent_stack.push_front(tmp);
do {++it;} while(bool(it) && (!unread_only || IS_MSG_UNREAD(mPosts[*it].mMsgStatus)));
// now get to next unread item
if(!it)
return QModelIndex();
if(!mPosts[fmi].mChildren.empty())
#endif
return QModelIndex();
void *ref ;
convertTabEntryToRefPointer(*it,ref);
return createIndex(mPosts[*it].prow,0,ref);
}
RsGxsForumModel::const_iterator::const_iterator(const RsGxsForumModel &Model, ForumModelIndex i)
: model(Model)
{
if(i >= model.mPosts.size())
{
std::cerr << "(EE) constructed a RsGxsForumModel::const_iterator from invalid index " << i << std::endl;
kid = -1;
return;
}
// create a stack or parents
parent_stack.clear();
if(i==0)
{
current_parent = 0;
kid =0;
return;
}
current_parent = model.mPosts[i].mParent;
ForumModelIndex j(i);
kid = model.mPosts[i].prow;
while(j != 0)
{
parent_stack.push_front(model.mPosts[j].prow);
j = model.mPosts[i].mParent;
}
}
ForumModelIndex RsGxsForumModel::const_iterator::operator*() const
{
if(current_parent >= model.mPosts.size() || kid < 0 || kid >= (int)model.mPosts[current_parent].mChildren.size())
{
std::cerr << "(EE) operator* on an invalid RsGxsForumModel::const_iterator"<< std::endl;
return 0;
}
return model.mPosts[current_parent].mChildren[kid];
}
void RsGxsForumModel::const_iterator::operator++()
{
kid++;
while(kid >= (int)model.mPosts[current_parent].mChildren.size())
{
current_parent = model.mPosts[current_parent].mParent;
kid = parent_stack.back()+1;
parent_stack.pop_back();
}
if(current_parent == 0 && kid >= (int)model.mPosts[current_parent].mChildren.size())
{
kid = -1;
return;
}
while(!model.mPosts[model.mPosts[current_parent].mChildren[kid]].mChildren.empty())
{
parent_stack.push_back(kid);
current_parent = model.mPosts[current_parent].mChildren[kid];
kid = 0;
}
}
RsGxsForumModel::const_iterator::operator bool() const
{
return kid >= 0;
}
void RsGxsForumModel::debug_dump()

19
retroshare-gui/src/gui/gxsforums/GxsForumModel.h
View File

@ -83,6 +83,23 @@ public:
QModelIndex getIndexOfMessage(const RsGxsMessageId& mid) const;
QModelIndex getNextIndex(const QModelIndex& i,bool unread_only) const;
class const_iterator
{
public:
const_iterator(const RsGxsForumModel& Model,ForumModelIndex = 0) ;
ForumModelIndex operator*() const ;
void operator++();
inline operator bool() const ;
private:
std::list<ForumModelIndex> parent_stack;
int kid;
ForumModelIndex current_parent;
const RsGxsForumModel& model;
};
// This method will asynchroneously update the data
void setForum(const RsGxsGroupId& forumGroup);
@ -160,4 +177,6 @@ private:
QColor mTextColorUnreadChildren;
QColor mTextColorNotSubscribed ;
QColor mTextColorMissing ;
friend class const_iterator;
};