* 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<Message> &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<MsgId>()) return 0;
+ if(id > _messageList.last()->data(0, MsgIdRole).value<MsgId>()) 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<MsgId>()) 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>(_msgId);
+ case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(_bufferId);
+ case MessageModel::TypeRole: return _type;
+ case MessageModel::FlagsRole: return (int)_flags;
+ case MessageModel::TimestampRole: return _timestamp;
+ default: return QVariant();
+ }
+}
+