1 /***************************************************************************
2 * Copyright (C) 2005-07 by The Quassel Team *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include "bufferview.h"
23 /*****************************************
24 * The TreeView showing the Buffers
25 *****************************************/
26 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
27 // to be on the safe side: call QTreeView's method aswell
28 BufferView::BufferView(QWidget *parent) : QTreeView(parent) {
31 void BufferView::init() {
34 header()->hideSection(1);
41 setDropIndicatorShown(true);
43 setSortingEnabled(true);
44 sortByColumn(0, Qt::AscendingOrder);
46 connect(selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
47 model(), SLOT(changeCurrent(const QModelIndex &, const QModelIndex &)));
49 connect(this, SIGNAL(doubleClicked(const QModelIndex &)),
50 model(), SLOT(doubleClickReceived(const QModelIndex &)));
52 connect(model(), SIGNAL(selectionChanged(const QModelIndex &)),
53 this, SLOT(select(const QModelIndex &)));
55 connect(this, SIGNAL(selectionChanged(const QModelIndex &, QItemSelectionModel::SelectionFlags)),
56 selectionModel(), SLOT(select(const QModelIndex &, QItemSelectionModel::SelectionFlags)));
60 void BufferView::setFilteredModel(QAbstractItemModel *model, BufferViewFilter::Modes mode, QStringList nets) {
61 BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
63 connect(this, SIGNAL(eventDropped(QDropEvent *)), filter, SLOT(dropEvent(QDropEvent *)));
64 connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
67 void BufferView::setModel(QAbstractItemModel *model) {
68 QTreeView::setModel(model);
72 void BufferView::select(const QModelIndex ¤t) {
73 emit selectionChanged(current, QItemSelectionModel::ClearAndSelect);
76 void BufferView::dropEvent(QDropEvent *event) {
77 if(event->source() != this) {
78 // another view(?) or widget is the source. maybe it's a drag 'n drop
79 // view customization -> we tell our friend the filter:
80 emit eventDropped(event);
82 // in the case that the filter did not accept the event or if it's a merge
83 QTreeView::dropEvent(event);
86 void BufferView::keyPressEvent(QKeyEvent *event) {
87 if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
89 QModelIndex index = selectionModel()->selectedIndexes().first();
91 emit removeBuffer(index);
94 QTreeView::keyPressEvent(event);
97 // ensure that newly inserted network nodes are expanded per default
98 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
99 if(parent == QModelIndex())
100 setExpanded(model()->index(start, 0, parent), true);
101 QTreeView::rowsInserted(parent, start, end);