src/client/selectionmodelsynchronizer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-07 by The Quassel Team                             *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
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   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
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  20
  21 #include "selectionmodelsynchronizer.h"
  22
  23
  24 #include <QAbstractItemModel>
  25 #include "mappedselectionmodel.h"
  26
  27 #include <QDebug>
  28
  29 SelectionModelSynchronizer::SelectionModelSynchronizer(QAbstractItemModel *parent)
  30   : QObject(parent),
  31     _model(parent)
  32 {
  33 }
  34
  35 SelectionModelSynchronizer::~SelectionModelSynchronizer() {
  36 }
  37
  38 void SelectionModelSynchronizer::addSelectionModel(MappedSelectionModel *selectionmodel) {
  39   if(selectionmodel->baseModel() != model()) {
  40     qWarning() << "cannot Syncronize SelectionModel" << selectionmodel << "which has a different baseModel()";
  41     return;
  42   }
  43
  44   connect(selectionmodel, SIGNAL(mappedCurrentChanged(QModelIndex)),
  45           this, SLOT(_mappedCurrentChanged(QModelIndex)));
  46   connect(selectionmodel, SIGNAL(mappedSelectionChanged(QItemSelection)),
  47           this, SLOT(_mappedSelectionChanged(QItemSelection)));
  48
  49   connect(this, SIGNAL(setCurrentIndex(QModelIndex, QItemSelectionModel::SelectionFlags)),
  50           selectionmodel, SLOT(mappedSetCurrentIndex(QModelIndex, QItemSelectionModel::SelectionFlags)));
  51   connect(this, SIGNAL(select(QItemSelection, QItemSelectionModel::SelectionFlags)),
  52           selectionmodel, SLOT(mappedSelect(QItemSelection, QItemSelectionModel::SelectionFlags)));
  53
  54 }
  55
  56 void SelectionModelSynchronizer::removeSelectionModel(MappedSelectionModel *model) {
  57   disconnect(model, 0, this, 0);
  58   disconnect(this, 0, model, 0);
  59 }
  60
  61 void SelectionModelSynchronizer::_mappedCurrentChanged(const QModelIndex &current) {
  62   emit setCurrentIndex(current, QItemSelectionModel::ClearAndSelect);
  63 }
  64
  65 void SelectionModelSynchronizer::_mappedSelectionChanged(const QItemSelection &selected) {
  66   emit select(selected, QItemSelectionModel::ClearAndSelect);
  67 }