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     setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
  44     setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
  45
  46     viewport()->setAttribute(Qt::WA_Hover);
  47
  48     QPalette palette = viewport()->palette();
  49     palette.setColor(viewport()->backgroundRole(), Qt::transparent);
  50     viewport()->setPalette(palette);
  51
  52     KFileItemDelegate* delegate = new KFileItemDelegate(this);
  53     setItemDelegate(delegate);
  54 }
  55
  56 SidebarTreeView::~SidebarTreeView()
  57 {
  58 }
  59
  60 bool SidebarTreeView::event(QEvent* event)
  61 {
  62     if (event->type() == QEvent::Polish) {
  63         // hide all columns except of the 'Name' column
  64         hideColumn(DolphinModel::Size);
  65         hideColumn(DolphinModel::ModifiedTime);
  66         hideColumn(DolphinModel::Permissions);
  67         hideColumn(DolphinModel::Owner);
  68         hideColumn(DolphinModel::Group);
  69         hideColumn(DolphinModel::Type);
  70         hideColumn(DolphinModel::Rating);
  71         hideColumn(DolphinModel::Tags);
  72         header()->hide();
  73     }
  74
  75     return QTreeView::event(event);
  76 }
  77
  78 void SidebarTreeView::dragEnterEvent(QDragEnterEvent* event)
  79 {
  80     if (event->mimeData()->hasUrls()) {
  81         event->acceptProposedAction();
  82     }
  83     QTreeView::dragEnterEvent(event);
  84     m_dragging = true;
  85 }
  86
  87 void SidebarTreeView::dragLeaveEvent(QDragLeaveEvent* event)
  88 {
  89     QTreeView::dragLeaveEvent(event);
  90
  91     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
  92     m_dragging = false;
  93     setDirtyRegion(m_dropRect);
  94 }
  95
  96 void SidebarTreeView::dragMoveEvent(QDragMoveEvent* event)
  97 {
  98     QTreeView::dragMoveEvent(event);
  99
 100     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 101     const QModelIndex index = indexAt(event->pos());
 102     setDirtyRegion(m_dropRect);
 103     m_dropRect = visualRect(index);
 104     setDirtyRegion(m_dropRect);
 105 }
 106
 107 void SidebarTreeView::dropEvent(QDropEvent* event)
 108 {
 109     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 110     if (urls.isEmpty()) {
 111         QTreeView::dropEvent(event);
 112     } else {
 113         event->acceptProposedAction();
 114         const QModelIndex index = indexAt(event->pos());
 115         if (index.isValid()) {
 116             emit urlsDropped(urls, index);
 117         }
 118     }
 119     m_dragging = false;
 120 }
 121
 122 void SidebarTreeView::paintEvent(QPaintEvent* event)
 123 {
 124     QTreeView::paintEvent(event);
 125
 126     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 127     if (m_dragging) {
 128         const QBrush& brush = palette().brush(QPalette::Normal, QPalette::Highlight);
 129         DolphinController::drawHoverIndication(viewport(), m_dropRect, brush);
 130     }
 131 }
 132
 133 #include "sidebartreeview.moc"