Stage 3

[quassel.git] / src / qtui / bufferview.cpp

diff --git a/src/qtui/bufferview.cpp b/src/qtui/bufferview.cpp
new file mode 100644 (file)
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+++ b/src/qtui/bufferview.cpp
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+/***************************************************************************
+ *   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 "bufferview.h"
+
+/*****************************************
+* The TreeView showing the Buffers
+*****************************************/
+// Please be carefull when reimplementing methods which are used to inform the view about changes to the data
+// to be on the safe side: call QTreeView's method aswell
+BufferView::BufferView(QWidget *parent) : QTreeView(parent) {
+}
+
+void BufferView::init() {
+  setIndentation(10);
+  header()->hide();
+  header()->hideSection(1);
+  expandAll();
+  
+  setAnimated(true);
+  
+  setDragEnabled(true);
+  setAcceptDrops(true);
+  setDropIndicatorShown(true);
+  
+  setSortingEnabled(true);
+  sortByColumn(0, Qt::AscendingOrder);
+  
+  connect(selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
+          model(), SLOT(changeCurrent(const QModelIndex &, const QModelIndex &)));
+  
+  connect(this, SIGNAL(doubleClicked(const QModelIndex &)),
+          model(), SLOT(doubleClickReceived(const QModelIndex &)));
+  
+  connect(model(), SIGNAL(selectionChanged(const QModelIndex &)),
+          this, SLOT(select(const QModelIndex &)));
+  
+  connect(this, SIGNAL(selectionChanged(const QModelIndex &, QItemSelectionModel::SelectionFlags)),
+          selectionModel(), SLOT(select(const QModelIndex &, QItemSelectionModel::SelectionFlags)));
+
+}
+
+void BufferView::setFilteredModel(QAbstractItemModel *model, BufferViewFilter::Modes mode, QStringList nets) {
+  BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
+  setModel(filter);
+  connect(this, SIGNAL(eventDropped(QDropEvent *)), filter, SLOT(dropEvent(QDropEvent *)));
+  connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
+}
+
+void BufferView::setModel(QAbstractItemModel *model) {
+  QTreeView::setModel(model);
+  init();
+}
+
+void BufferView::select(const QModelIndex &current) {
+  emit selectionChanged(current, QItemSelectionModel::ClearAndSelect);
+}
+
+void BufferView::dropEvent(QDropEvent *event) {
+  if(event->source() != this) {
+    // another view(?) or widget is the source. maybe it's a drag 'n drop 
+    // view customization -> we tell our friend the filter:
+    emit eventDropped(event);
+  }
+  // in the case that the filter did not accept the event or if it's a merge
+  QTreeView::dropEvent(event);    
+}
+
+void BufferView::keyPressEvent(QKeyEvent *event) {
+  if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
+    event->accept();
+    QModelIndex index = selectionModel()->selectedIndexes().first();
+    if(index.isValid()) {
+      emit removeBuffer(index);
+    }
+  }
+  QTreeView::keyPressEvent(event);
+}
+
+// ensure that newly inserted network nodes are expanded per default
+void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
+  if(parent == QModelIndex())
+    setExpanded(model()->index(start, 0, parent), true);
+  QTreeView::rowsInserted(parent, start, end);
+}