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 "dolphincontroller.h"
  23 #include "dolphinmodel.h"
  24
  25 #include <kfileitemdelegate.h>
  26 #include <QKeyEvent>
  27 #include <QPainter>
  28 #include <QHeaderView>
  29
  30 SidebarTreeView::SidebarTreeView(QWidget* parent) :
  31     QTreeView(parent),
  32     m_dragging(false)
  33 {
  34     setAcceptDrops(true);
  35     setUniformRowHeights(true);
  36     setSelectionMode(QAbstractItemView::SingleSelection);
  37     setEditTriggers(QAbstractItemView::NoEditTriggers);
  38     setSortingEnabled(true);
  39     setFrameStyle(QFrame::NoFrame);
  40     setDragDropMode(QAbstractItemView::DragDrop);
  41     setDropIndicatorShown(false);
  42     setAutoExpandDelay(300);
  43     // TODO: enable ScrollPerPixel again as soon as a Qt-patch
  44     // is supplied which fixes a possible crash
  45     // (see http://lists.kde.org/?l=kde-core-devel&m=119077433611662&w=2)
  46     //setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
  47     //setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
  48
  49     viewport()->setAttribute(Qt::WA_Hover);
  50
  51     QPalette palette = viewport()->palette();
  52     palette.setColor(viewport()->backgroundRole(), Qt::transparent);
  53     viewport()->setPalette(palette);
  54
  55     KFileItemDelegate* delegate = new KFileItemDelegate(this);
  56     setItemDelegate(delegate);
  57 }
  58
  59 SidebarTreeView::~SidebarTreeView()
  60 {
  61 }
  62
  63 bool SidebarTreeView::event(QEvent* event)
  64 {
  65     if (event->type() == QEvent::Polish) {
  66         // hide all columns except of the 'Name' column
  67         hideColumn(DolphinModel::Size);
  68         hideColumn(DolphinModel::ModifiedTime);
  69         hideColumn(DolphinModel::Permissions);
  70         hideColumn(DolphinModel::Owner);
  71         hideColumn(DolphinModel::Group);
  72         hideColumn(DolphinModel::Type);
  73         hideColumn(DolphinModel::Rating);
  74         hideColumn(DolphinModel::Tags);
  75         header()->hide();
  76     }
  77
  78     return QTreeView::event(event);
  79 }
  80
  81 void SidebarTreeView::dragEnterEvent(QDragEnterEvent* event)
  82 {
  83     if (event->mimeData()->hasUrls()) {
  84         event->acceptProposedAction();
  85     }
  86     QTreeView::dragEnterEvent(event);
  87     m_dragging = true;
  88 }
  89
  90 void SidebarTreeView::dragLeaveEvent(QDragLeaveEvent* event)
  91 {
  92     QTreeView::dragLeaveEvent(event);
  93
  94     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
  95     m_dragging = false;
  96     setDirtyRegion(m_dropRect);
  97 }
  98
  99 void SidebarTreeView::dragMoveEvent(QDragMoveEvent* event)
 100 {
 101     QTreeView::dragMoveEvent(event);
 102
 103     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 104     const QModelIndex index = indexAt(event->pos());
 105     setDirtyRegion(m_dropRect);
 106     m_dropRect = visualRect(index);
 107     setDirtyRegion(m_dropRect);
 108 }
 109
 110 void SidebarTreeView::dropEvent(QDropEvent* event)
 111 {
 112     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 113     if (urls.isEmpty()) {
 114         QTreeView::dropEvent(event);
 115     } else {
 116         event->acceptProposedAction();
 117         const QModelIndex index = indexAt(event->pos());
 118         if (index.isValid()) {
 119             emit urlsDropped(urls, index);
 120         }
 121     }
 122     m_dragging = false;
 123 }
 124
 125 void SidebarTreeView::paintEvent(QPaintEvent* event)
 126 {
 127     QTreeView::paintEvent(event);
 128
 129     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 130     if (m_dragging) {
 131         const QBrush& brush = palette().brush(QPalette::Normal, QPalette::Highlight);
 132         DolphinController::drawHoverIndication(viewport(), m_dropRect, brush);
 133     }
 134 }
 135
 136 #include "sidebartreeview.moc"