We finally got a nice solution to synchronize multiple views or whatevers[tm] even...

[quassel.git] / src / client / selectionmodelsynchronizer.cpp

diff --git a/src/client/selectionmodelsynchronizer.cpp b/src/client/selectionmodelsynchronizer.cpp
new file mode 100644 (file)
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--- /dev/null
+++ b/src/client/selectionmodelsynchronizer.cpp
@@ -0,0 +1,67 @@
+/***************************************************************************
+ *   Copyright (C) 2005-07 by The Quassel Team                             *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "selectionmodelsynchronizer.h"
+
+
+#include <QAbstractItemModel>
+#include "mappedselectionmodel.h"
+
+#include <QDebug>
+
+SelectionModelSynchronizer::SelectionModelSynchronizer(QAbstractItemModel *parent)
+  : QObject(parent),
+    _model(parent)
+{
+}
+
+SelectionModelSynchronizer::~SelectionModelSynchronizer() {
+}
+
+void SelectionModelSynchronizer::addSelectionModel(MappedSelectionModel *selectionmodel) {
+  if(selectionmodel->baseModel() != model()) {
+    qWarning() << "cannot Syncronize SelectionModel" << selectionmodel << "which has a different baseModel()";
+    return;
+  }
+
+  connect(selectionmodel, SIGNAL(mappedCurrentChanged(QModelIndex)),
+         this, SLOT(_mappedCurrentChanged(QModelIndex)));
+  connect(selectionmodel, SIGNAL(mappedSelectionChanged(QItemSelection)),
+         this, SLOT(_mappedSelectionChanged(QItemSelection)));
+  
+  connect(this, SIGNAL(setCurrentIndex(QModelIndex, QItemSelectionModel::SelectionFlags)),
+         selectionmodel, SLOT(mappedSetCurrentIndex(QModelIndex, QItemSelectionModel::SelectionFlags)));
+  connect(this, SIGNAL(select(QItemSelection, QItemSelectionModel::SelectionFlags)),
+         selectionmodel, SLOT(mappedSelect(QItemSelection, QItemSelectionModel::SelectionFlags)));
+  
+}
+
+void SelectionModelSynchronizer::removeSelectionModel(MappedSelectionModel *model) {
+  disconnect(model, 0, this, 0);
+  disconnect(this, 0, model, 0);
+}
+
+void SelectionModelSynchronizer::_mappedCurrentChanged(const QModelIndex &current) {
+  emit setCurrentIndex(current, QItemSelectionModel::ClearAndSelect);
+}
+
+void SelectionModelSynchronizer::_mappedSelectionChanged(const QItemSelection &selected) {
+  emit select(selected, QItemSelectionModel::ClearAndSelect);
+}