src/dolphindetailsview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   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.                                   *
   9  *                                                                         *
  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.                          *
  14  *                                                                         *
  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  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphindetailsview.h"
  22
  23 #include "dolphinmainwindow.h"
  24 #include "dolphinview.h"
  25 #include "viewproperties.h"
  26
  27 #include <assert.h>
  28 #include <kdirmodel.h>
  29 #include <QHeaderView>
  30
  31 DolphinDetailsView::DolphinDetailsView(DolphinView* parent) :
  32     QTreeView(parent),
  33     m_dolphinView(parent)
  34 {
  35     assert(parent != 0);
  36
  37     setAcceptDrops(true);
  38     setRootIsDecorated(false);
  39     setSortingEnabled(true);
  40     setUniformRowHeights(true);
  41
  42     const ViewProperties props(parent->url());
  43     setSortIndicatorSection(props.sorting());
  44     setSortIndicatorOrder(props.sortOrder());
  45
  46     connect(header(), SIGNAL(sectionClicked(int)),
  47             this, SLOT(synchronizeSortingState(int)));
  48
  49     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  50             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  51     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  52             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  53 }
  54
  55 DolphinDetailsView::~DolphinDetailsView()
  56 {
  57 }
  58
  59 bool DolphinDetailsView::event(QEvent* event)
  60 {
  61     if (event->type() == QEvent::Polish) {
  62         // Assure that by respecting the available width that:
  63         // - the 'Name' column is stretched as large as possible
  64         // - the remaining columns are as small as possible
  65         QHeaderView* headerView = header();
  66         headerView->setStretchLastSection(false);
  67         headerView->setResizeMode(QHeaderView::ResizeToContents);
  68         headerView->setResizeMode(0, QHeaderView::Stretch);
  69     }
  70
  71     return QTreeView::event(event);
  72 }
  73 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
  74 {
  75     return QTreeView::viewOptions();
  76
  77     // TODO: the view options should been read from the settings;
  78     // the following code is just for testing...
  79     //QStyleOptionViewItem options = QTreeView::viewOptions();
  80     //options.decorationAlignment = Qt::AlignRight;
  81     //options.decorationPosition = QStyleOptionViewItem::Right;
  82     //options.decorationSize = QSize(100, 100);
  83     //options.showDecorationSelected = true;
  84     //options.state = QStyle::State_MouseOver;
  85     //return options;
  86 }
  87
  88 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
  89 {
  90     QTreeView::contextMenuEvent(event);
  91
  92     KFileItem* item = 0;
  93
  94     const QModelIndex index = indexAt(event->pos());
  95     if (index.isValid()) {
  96         item = m_dolphinView->fileItem(index);
  97     }
  98
  99     m_dolphinView->openContextMenu(item, event->globalPos());
 100 }
 101
 102 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 103 {
 104     QTreeView::mouseReleaseEvent(event);
 105     m_dolphinView->declareViewActive();
 106 }
 107
 108 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 109 {
 110     if (event->mimeData()->hasUrls()) {
 111         event->acceptProposedAction();
 112     }
 113 }
 114
 115 void DolphinDetailsView::dropEvent(QDropEvent* event)
 116 {
 117     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 118     if (!urls.isEmpty()) {
 119         event->acceptProposedAction();
 120
 121         // TODO: handle dropping above a directory
 122
 123         const KUrl& destination = m_dolphinView->url();
 124         m_dolphinView->mainWindow()->dropUrls(urls, destination);
 125     }
 126 }
 127
 128 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 129 {
 130     QHeaderView* headerView = header();
 131     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 132 }
 133
 134 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 135 {
 136     QHeaderView* headerView = header();
 137     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 138 }
 139
 140 void DolphinDetailsView::synchronizeSortingState(int column)
 141 {
 142     // The sorting has already been changed in QTreeView if this slot is
 143     // invoked, but Dolphin was not informed about this. This is bypassed by changing
 144     // the sorting and sort order to a temporary other value and readjust it again.
 145     const bool update = (column == KDirModel::Name) || (column == KDirModel::Size) ||
 146                         (column == KDirModel::ModifiedTime);
 147     if (update) {
 148         DolphinView::Sorting sorting = DolphinView::SortByName;
 149         switch (column) {
 150             case KDirModel::Size:         sorting = DolphinView::SortBySize; break;
 151             case KDirModel::ModifiedTime: sorting = DolphinView::SortByDate; break;
 152             case KDirModel::Name:
 153             default: break;
 154         }
 155
 156         const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 157
 158         // temporary adjust the sorting and sort order to different values...
 159         const DolphinView::Sorting tempSorting = (sorting == DolphinView::SortByName) ?
 160                                                  DolphinView::SortBySize :
 161                                                  DolphinView::SortByName;
 162         m_dolphinView->setSorting(tempSorting);
 163         const Qt::SortOrder tempSortOrder = (sortOrder == Qt::Ascending) ?
 164                                             Qt::Descending : Qt::Ascending;
 165         m_dolphinView->setSortOrder(tempSortOrder);
 166
 167         // ... so that setting them again results in storing the new setting.
 168         m_dolphinView->setSorting(sorting);
 169         m_dolphinView->setSortOrder(sortOrder);
 170     }
 171
 172 }
 173
 174 #include "dolphindetailsview.moc"