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csoler
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retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.cpp
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1104
retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.cpp
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retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.h
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retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.h
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/*******************************************************************************
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* retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.h *
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* *
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* Copyright 2020 by Cyril Soler <csoler@users.sourceforge.net> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include "retroshare/rsgxschannels.h"
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#include "retroshare/rsgxsifacetypes.h"
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#include <QModelIndex>
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#include <QColor>
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// This class holds the actual hierarchy of posts, represented by identifiers
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// It is responsible for auto-updating when necessary and holds a mutex to allow the Model to
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// safely access the data.
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// The model contains a post in place 0 that is the parent of all posts.
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typedef uint32_t ChannelPostsModelIndex;
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// struct ChannelPostsModelPostEntry
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// {
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// ChannelPostsModelPostEntry() : mPublishTs(0),mPostFlags(0),mMsgStatus(0),prow(0) {}
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//
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// enum { // flags for display of posts. To be used in mPostFlags
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// FLAG_POST_IS_PINNED = 0x0001,
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// FLAG_POST_IS_MISSING = 0x0002,
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// FLAG_POST_IS_REDACTED = 0x0004,
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// FLAG_POST_HAS_UNREAD_CHILDREN = 0x0008,
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// FLAG_POST_HAS_READ_CHILDREN = 0x0010,
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// FLAG_POST_PASSES_FILTER = 0x0020,
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// FLAG_POST_CHILDREN_PASSES_FILTER = 0x0040,
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// };
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//
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// std::string mTitle ;
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// RsGxsMessageId mMsgId;
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// uint32_t mPublishTs;
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// uint32_t mPostFlags;
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// int mMsgStatus;
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//
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// int prow ;// parent row, which basically means position in the array of posts
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// };
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// This class is the item model used by Qt to display the information
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class RsGxsChannelPostsModel : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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explicit RsGxsChannelPostsModel(QObject *parent = NULL);
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~RsGxsChannelPostsModel(){}
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static const int COLUMN_THREAD_NB_COLUMNS = 0x01;
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#ifdef TODO
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enum Columns {
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COLUMN_THREAD_TITLE =0x00,
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COLUMN_THREAD_READ =0x01,
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COLUMN_THREAD_DATE =0x02,
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COLUMN_THREAD_DISTRIBUTION =0x03,
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COLUMN_THREAD_AUTHOR =0x04,
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COLUMN_THREAD_CONTENT =0x05,
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COLUMN_THREAD_MSGID =0x06,
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COLUMN_THREAD_DATA =0x07,
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};
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enum Roles{ SortRole = Qt::UserRole+1,
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ThreadPinnedRole = Qt::UserRole+2,
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MissingRole = Qt::UserRole+3,
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StatusRole = Qt::UserRole+4,
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UnreadChildrenRole = Qt::UserRole+5,
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FilterRole = Qt::UserRole+6,
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};
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#endif
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enum TreeMode{ TREE_MODE_UNKWN = 0x00,
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TREE_MODE_PLAIN = 0x01,
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TREE_MODE_FILES = 0x02,
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};
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#ifdef TODO
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enum SortMode{ SORT_MODE_PUBLISH_TS = 0x00,
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SORT_MODE_CHILDREN_PUBLISH_TS = 0x01,
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};
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#endif
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QModelIndex root() const{ return createIndex(0,0,(void*)NULL) ;}
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QModelIndex getIndexOfMessage(const RsGxsMessageId& mid) const;
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static const QString FilterString ;
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std::vector<std::pair<time_t,RsGxsMessageId> > getPostVersions(const RsGxsMessageId& mid) const;
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// This method will asynchroneously update the data
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void updateChannel(const RsGxsGroupId& channel_group_id);
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const RsGxsGroupId& currentGroupId() const;
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void setTreeMode(TreeMode mode) ;
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#ifdef TODO
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void setSortMode(SortMode mode) ;
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void setTextColorRead (QColor color) { mTextColorRead = color;}
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void setTextColorUnread (QColor color) { mTextColorUnread = color;}
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void setTextColorUnreadChildren(QColor color) { mTextColorUnreadChildren = color;}
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void setTextColorNotSubscribed (QColor color) { mTextColorNotSubscribed = color;}
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void setTextColorMissing (QColor color) { mTextColorMissing = color;}
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#endif
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void setMsgReadStatus(const QModelIndex &i, bool read_status, bool with_children);
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#ifdef TODO
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void setFilter(int column, const QStringList &strings, uint32_t &count) ;
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void setAuthorOpinion(const QModelIndex& indx,RsOpinion op);
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#endif
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// Helper functions
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bool getPostData(const QModelIndex& i,RsGxsChannelPost& fmpe) const ;
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void clear() ;
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// AbstractItemModel functions.
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex& child) const override;
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Qt::ItemFlags flags(const QModelIndex& index) const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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// Custom item roles
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QVariant sizeHintRole (int col) const;
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QVariant displayRole (const RsGxsChannelPost& fmpe, int col) const;
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QVariant toolTipRole (const RsGxsChannelPost& fmpe, int col) const;
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QVariant userRole (const RsGxsChannelPost& fmpe, int col) const;
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#ifdef TODO
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QVariant decorationRole(const ForumModelPostEntry& fmpe, int col) const;
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QVariant pinnedRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant missingRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant statusRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant authorRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant sortRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant fontRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant filterRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant textColorRole (const ForumModelPostEntry& fmpe, int col) const;
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QVariant backgroundRole(const ForumModelPostEntry& fmpe, int col) const;
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#endif
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/*!
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* \brief debug_dump
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* Dumps the hierarchy of posts in the terminal, to allow checking whether the internal representation is correct.
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*/
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void debug_dump();
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signals:
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void channelLoaded(); // emitted after the posts have been set. Can be used to updated the UI.
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private:
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RsGxsChannelGroup mChannelGroup;
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#ifdef TODO
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bool mUseChildTS;
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bool mFilteringEnabled;
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SortMode mSortMode;
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#endif
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TreeMode mTreeMode;
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uint32_t mColumns;
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void preMods() ;
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void postMods() ;
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quintptr getParentRow(quintptr ref,int& row) const;
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quintptr getChildRef(quintptr ref, int index) const;
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int getChildrenCount(quintptr ref) const;
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static bool convertTabEntryToRefPointer(uint32_t entry, quintptr &ref);
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static bool convertRefPointerToTabEntry(quintptr ref,uint32_t& entry);
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static void computeReputationLevel(uint32_t forum_sign_flags, RsGxsChannelPost& entry);
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void update_posts(const RsGxsGroupId& group_id);
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#ifdef TODO
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void setForumMessageSummary(const std::vector<RsGxsForumMsg>& messages);
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#endif
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void recursUpdateReadStatusAndTimes(ChannelPostsModelIndex i,bool& has_unread_below,bool& has_read_below);
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uint32_t recursUpdateFilterStatus(ChannelPostsModelIndex i,int column,const QStringList& strings);
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void recursSetMsgReadStatus(ChannelPostsModelIndex i,bool read_status,bool with_children);
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#ifdef TODO
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static void generateMissingItem(const RsGxsMessageId &msgId,ChannelPostsModelPostEntry& entry);
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#endif
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//static ChannelModelIndex addEntry(std::vector<RsGxsChannelPost>& posts,const ChannelModelPostEntry& entry,ChannelModelIndex parent);
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//static void convertMsgToPostEntry(const RsGxsChannelGroup &mChannelGroup, const RsMsgMetaData &msg, bool useChildTS, ChannelModelPostEntry& fentry);
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//void computeMessagesHierarchy(const RsGxsChannelGroup& forum_group, const std::vector<RsMsgMetaData> &msgs_array, std::vector<ChannelPostsModelPostEntry> &posts, std::map<RsGxsMessageId, std::vector<std::pair<time_t, RsGxsMessageId> > > &mPostVersions);
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void createPostsArray(std::vector<RsGxsChannelPost> &posts);
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void setPosts(const RsGxsChannelGroup& group, std::vector<RsGxsChannelPost> &posts);
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void initEmptyHierarchy(std::vector<RsGxsChannelPost>& posts);
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std::vector<RsGxsChannelPost> mPosts ; // store the list of posts updated from rsForums.
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//std::map<RsGxsMessageId,std::vector<std::pair<time_t,RsGxsMessageId> > > mPostVersions; // stores versions of posts
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QColor mTextColorRead ;
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QColor mTextColorUnread ;
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QColor mTextColorUnreadChildren;
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QColor mTextColorNotSubscribed ;
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QColor mTextColorMissing ;
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friend class const_iterator;
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};
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