src/sidebartreeview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "sidebartreeview.h"
  21
  22 #include <kdirmodel.h>
  23 #include <kfileitemdelegate.h>
  24
  25 #include <QKeyEvent>
  26 #include <QPainter>
  27 #include <QHeaderView>
  28
  29 SidebarTreeView::SidebarTreeView(QWidget* parent) :
  30     QTreeView(parent),
  31     m_dragging(false)
  32 {
  33     setAcceptDrops(true);
  34     setUniformRowHeights(true);
  35     setSelectionMode(QAbstractItemView::SingleSelection);
  36     setEditTriggers(QAbstractItemView::NoEditTriggers);
  37     setSortingEnabled(true);
  38     setFrameStyle(QFrame::NoFrame);
  39     setDragDropMode(QAbstractItemView::DragDrop);
  40     setDropIndicatorShown(false);
  41     setAutoExpandDelay(300);
  42
  43     viewport()->setAttribute(Qt::WA_Hover);
  44
  45     KFileItemDelegate* delegate = new KFileItemDelegate(this);
  46     setItemDelegate(delegate);
  47 }
  48
  49 SidebarTreeView::~SidebarTreeView()
  50 {
  51 }
  52
  53 bool SidebarTreeView::event(QEvent* event)
  54 {
  55     if (event->type() == QEvent::Polish) {
  56         // hide all columns except of the 'Name' column
  57         hideColumn(KDirModel::Size);
  58         hideColumn(KDirModel::ModifiedTime);
  59         hideColumn(KDirModel::Permissions);
  60         hideColumn(KDirModel::Owner);
  61         hideColumn(KDirModel::Group);
  62         hideColumn(KDirModel::Type);
  63         header()->hide();
  64     }
  65
  66     return QTreeView::event(event);
  67 }
  68
  69 void SidebarTreeView::dragEnterEvent(QDragEnterEvent* event)
  70 {
  71     if (event->mimeData()->hasUrls()) {
  72         event->acceptProposedAction();
  73     }
  74     QTreeView::dragEnterEvent(event);
  75     m_dragging = true;
  76 }
  77
  78 void SidebarTreeView::dragMoveEvent(QDragMoveEvent* event)
  79 {
  80     QTreeView::dragMoveEvent(event);
  81
  82     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
  83     const QModelIndex index = indexAt(event->pos());
  84     setDirtyRegion(m_dropRect);
  85     m_dropRect = visualRect(index);
  86     setDirtyRegion(m_dropRect);
  87 }
  88
  89 void SidebarTreeView::dropEvent(QDropEvent* event)
  90 {
  91     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
  92     if (urls.isEmpty()) {
  93         QTreeView::dropEvent(event);
  94     } else {
  95         event->acceptProposedAction();
  96         const QModelIndex index = indexAt(event->pos());
  97         if (index.isValid()) {
  98             emit urlsDropped(urls, index);
  99         }
 100     }
 101     m_dragging = false;
 102 }
 103
 104 void SidebarTreeView::paintEvent(QPaintEvent* event)
 105 {
 106     QTreeView::paintEvent(event);
 107
 108     if (m_dragging) {
 109         // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 110         QPainter painter(viewport());
 111         painter.save();
 112         QBrush brush(palette().brush(QPalette::Normal, QPalette::Highlight));
 113         QColor color = brush.color();
 114         color.setAlpha(64);
 115         brush.setColor(color);
 116         painter.fillRect(m_dropRect, brush);
 117         painter.restore();
 118     }
 119 }
 120
 121 #include "sidebartreeview.moc"