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 "dolphincontroller.h"
  24 #include "dolphinsortfilterproxymodel.h"
  25 #include "viewproperties.h"
  26
  27 #include <assert.h>
  28 #include <kdirmodel.h>
  29 #include <QHeaderView>
  30
  31 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
  32     QTreeView(parent),
  33     m_controller(controller)
  34 {
  35     assert(controller != 0);
  36
  37     setAcceptDrops(true);
  38     setRootIsDecorated(false);
  39     setSortingEnabled(true);
  40     setUniformRowHeights(true);
  41
  42     const ViewProperties props(controller->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     connect(this, SIGNAL(clicked(const QModelIndex&)),
  55             controller, SLOT(triggerItem(const QModelIndex&)));
  56 }
  57
  58 DolphinDetailsView::~DolphinDetailsView()
  59 {
  60 }
  61
  62 bool DolphinDetailsView::event(QEvent* event)
  63 {
  64     if (event->type() == QEvent::Polish) {
  65         // Assure that by respecting the available width that:
  66         // - the 'Name' column is stretched as large as possible
  67         // - the remaining columns are as small as possible
  68         QHeaderView* headerView = header();
  69         headerView->setStretchLastSection(false);
  70         headerView->setResizeMode(QHeaderView::ResizeToContents);
  71         headerView->setResizeMode(0, QHeaderView::Stretch);
  72     }
  73
  74     return QTreeView::event(event);
  75 }
  76 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
  77 {
  78     return QTreeView::viewOptions();
  79
  80     // TODO: the view options should been read from the settings;
  81     // the following code is just for testing...
  82     //QStyleOptionViewItem options = QTreeView::viewOptions();
  83     //options.decorationAlignment = Qt::AlignRight;
  84     //options.decorationPosition = QStyleOptionViewItem::Right;
  85     //options.decorationSize = QSize(100, 100);
  86     //options.showDecorationSelected = true;
  87     //options.state = QStyle::State_MouseOver;
  88     //return options;
  89 }
  90
  91 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
  92 {
  93     QTreeView::contextMenuEvent(event);
  94     m_controller->triggerContextMenuRequest(event->pos());
  95 }
  96
  97 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
  98 {
  99     QTreeView::mouseReleaseEvent(event);
 100     m_controller->triggerActivation();
 101 }
 102
 103 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 104 {
 105     if (event->mimeData()->hasUrls()) {
 106         event->acceptProposedAction();
 107     }
 108 }
 109
 110 void DolphinDetailsView::dropEvent(QDropEvent* event)
 111 {
 112     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 113     if (urls.isEmpty() || (event->source() == this)) {
 114         QTreeView::dropEvent(event);
 115     }
 116     else {
 117         event->acceptProposedAction();
 118         m_controller->indicateDroppedUrls(urls, event->pos());
 119     }
 120 }
 121
 122 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 123 {
 124     QHeaderView* headerView = header();
 125     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 126 }
 127
 128 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 129 {
 130     QHeaderView* headerView = header();
 131     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 132 }
 133
 134 void DolphinDetailsView::synchronizeSortingState(int column)
 135 {
 136     // The sorting has already been changed in QTreeView if this slot is
 137     // invoked, but Dolphin is not informed about this.
 138     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 139     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 140     m_controller->indicateSortingChange(sorting);
 141     m_controller->indicateSortOrderChange(sortOrder);
 142 }
 143
 144 #include "dolphindetailsview.moc"