X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fclient%2Fmessagemodel.cpp;h=940dda2016e44dfbc80169893bb7942f93ad5f5e;hb=cd58cc20b7735449f4b058bfe37d082de4eb8153;hp=ea31117ce42b33ae082c899d8d2859e513f0d67c;hpb=16c2a9940b223cf5538efdcb8a6eb011b8258150;p=quassel.git diff --git a/src/client/messagemodel.cpp b/src/client/messagemodel.cpp index ea31117c..940dda20 100644 --- a/src/client/messagemodel.cpp +++ b/src/client/messagemodel.cpp @@ -17,3 +17,105 @@ * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ + +#include "messagemodel.h" + +#include "message.h" + +MessageModel::MessageModel(QObject *parent) + : QAbstractItemModel(parent) +{ +} + +QVariant MessageModel::data(const QModelIndex &index, int role) const { + int row = index.row(); int column = index.column(); + if(row < 0 || row >= _messageList.count() || column < 0) + return QVariant(); + + if(role == ColumnTypeRole) + return column; + + return _messageList[row]->data(index.column(), role); +} + +bool MessageModel::setData(const QModelIndex &index, const QVariant &value, int role) { + int row = index.row(); + if(row < 0 || row >= _messageList.count()) + return false; + + if(_messageList[row]->setData(index.column(), value, role)) { + emit dataChanged(index, index); + return true; + } + + return false; +} + +bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) { + MsgId id = msg.msgId(); + int idx = indexForId(id); + if(!fakeMsg && idx < _messageList.count()) { // check for duplicate + if(_messageList[idx]->msgId() == id) + return false; + } + + MessageModelItem *item = createMessageModelItem(msg); + beginInsertRows(QModelIndex(), idx, idx); + _messageList.insert(idx, item); + endInsertRows(); + return true; +} + +void MessageModel::insertMessages(const QList &msglist) { + if(msglist.isEmpty()) return; + // FIXME make this more efficient by grouping msgs + foreach(Message msg, msglist) + insertMessage(msg); +} + +void MessageModel::clear() { + beginRemoveRows(QModelIndex(), 0, rowCount() - 1); + qDeleteAll(_messageList); + _messageList.clear(); + endRemoveRows(); +} + +// returns index of msg with given Id or of the next message after that (i.e., the index where we'd insert this msg) +int MessageModel::indexForId(MsgId id) { + if(_messageList.isEmpty() || id <= _messageList.value(0)->data(0, MsgIdRole).value()) return 0; + if(id > _messageList.last()->data(0, MsgIdRole).value()) return _messageList.count(); + // binary search + int start = 0; int end = _messageList.count()-1; + while(1) { + if(end - start == 1) return end; + int pivot = (end + start) / 2; + if(id <= _messageList.value(pivot)->data(0, MsgIdRole).value()) end = pivot; + else start = pivot; + } +} + +/**********************************************************************************/ + +MessageModelItem::MessageModelItem(const Message &msg) : + _timestamp(msg.timestamp()), + _msgId(msg.msgId()), + _bufferId(msg.bufferInfo().bufferId()), + _type(msg.type()), + _flags(msg.flags()) +{ +} + +QVariant MessageModelItem::data(int column, int role) const { + if(column < MessageModel::TimestampColumn || column > MessageModel::ContentsColumn) + return QVariant(); + + switch(role) { + case MessageModel::MsgIdRole: return QVariant::fromValue(_msgId); + case MessageModel::BufferIdRole: return QVariant::fromValue(_bufferId); + case MessageModel::TypeRole: return _type; + case MessageModel::FlagsRole: return (int)_flags; + case MessageModel::TimestampRole: return _timestamp; + default: return QVariant(); + } +} +