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