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