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 "dolphinsettings.h"
  25 #include "dolphinsortfilterproxymodel.h"
  26 #include "viewproperties.h"
  27
  28 #include "dolphin_detailsmodesettings.h"
  29
  30 #include <kdirmodel.h>
  31 #include <kfileitemdelegate.h>
  32
  33 #include <QHeaderView>
  34
  35 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
  36     QTreeView(parent),
  37     m_controller(controller)
  38 {
  39     Q_ASSERT(controller != 0);
  40
  41     setAcceptDrops(true);
  42     setRootIsDecorated(false);
  43     setSortingEnabled(true);
  44     setUniformRowHeights(true);
  45
  46     const ViewProperties props(controller->url());
  47     setSortIndicatorSection(props.sorting());
  48     setSortIndicatorOrder(props.sortOrder());
  49
  50     connect(header(), SIGNAL(sectionClicked(int)),
  51             this, SLOT(synchronizeSortingState(int)));
  52
  53     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  54             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  55     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  56             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  57
  58     connect(this, SIGNAL(clicked(const QModelIndex&)),
  59             controller, SLOT(triggerItem(const QModelIndex&)));
  60
  61     connect(controller, SIGNAL(zoomIn()),
  62             this, SLOT(zoomIn()));
  63     connect(controller, SIGNAL(zoomOut()),
  64             this, SLOT(zoomOut()));
  65
  66     // apply the details mode settings to the widget
  67     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
  68     Q_ASSERT(settings != 0);
  69
  70     m_viewOptions = QTreeView::viewOptions();
  71     m_viewOptions.font = QFont(settings->fontFamily(), settings->fontSize());
  72     updateDecorationSize();
  73
  74     KFileItemDelegate* delegate = new KFileItemDelegate(parent);
  75     setItemDelegate(delegate);
  76 }
  77
  78 DolphinDetailsView::~DolphinDetailsView()
  79 {
  80 }
  81
  82 bool DolphinDetailsView::event(QEvent* event)
  83 {
  84     if (event->type() == QEvent::Polish) {
  85         // Assure that by respecting the available width that:
  86         // - the 'Name' column is stretched as large as possible
  87         // - the remaining columns are as small as possible
  88         QHeaderView* headerView = header();
  89         headerView->setStretchLastSection(false);
  90         headerView->setResizeMode(QHeaderView::ResizeToContents);
  91         headerView->setResizeMode(0, QHeaderView::Stretch);
  92
  93         // hide columns if this is indicated by the settings
  94         const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
  95         Q_ASSERT(settings != 0);
  96         if (!settings->showDate()) {
  97             hideColumn(KDirModel::ModifiedTime);
  98         }
  99
 100         if (!settings->showPermissions()) {
 101             hideColumn(KDirModel::Permissions);
 102         }
 103
 104         if (!settings->showOwner()) {
 105             hideColumn(KDirModel::Owner);
 106         }
 107
 108         if (!settings->showGroup()) {
 109             hideColumn(KDirModel::Group);
 110         }
 111     }
 112
 113     return QTreeView::event(event);
 114 }
 115 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 116 {
 117     return m_viewOptions;
 118 }
 119
 120 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 121 {
 122     QTreeView::contextMenuEvent(event);
 123     m_controller->triggerContextMenuRequest(event->pos());
 124 }
 125
 126 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 127 {
 128     QTreeView::mouseReleaseEvent(event);
 129     m_controller->triggerActivation();
 130 }
 131
 132 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 133 {
 134     if (event->mimeData()->hasUrls()) {
 135         event->acceptProposedAction();
 136     }
 137 }
 138
 139 void DolphinDetailsView::dropEvent(QDropEvent* event)
 140 {
 141     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 142     if (urls.isEmpty() || (event->source() == this)) {
 143         QTreeView::dropEvent(event);
 144     }
 145     else {
 146         event->acceptProposedAction();
 147         m_controller->indicateDroppedUrls(urls, event->pos());
 148     }
 149 }
 150
 151 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 152 {
 153     QHeaderView* headerView = header();
 154     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 155 }
 156
 157 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 158 {
 159     QHeaderView* headerView = header();
 160     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 161 }
 162
 163 void DolphinDetailsView::synchronizeSortingState(int column)
 164 {
 165     // The sorting has already been changed in QTreeView if this slot is
 166     // invoked, but Dolphin is not informed about this.
 167     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 168     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 169     m_controller->indicateSortingChange(sorting);
 170     m_controller->indicateSortOrderChange(sortOrder);
 171 }
 172
 173 void DolphinDetailsView::zoomIn()
 174 {
 175     if (isZoomInPossible()) {
 176         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 177         // TODO: get rid of K3Icon sizes
 178         switch (settings->iconSize()) {
 179             case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
 180             case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
 181             default: Q_ASSERT(false); break;
 182         }
 183         updateDecorationSize();
 184     }
 185 }
 186
 187 void DolphinDetailsView::zoomOut()
 188 {
 189     if (isZoomOutPossible()) {
 190         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 191         // TODO: get rid of K3Icon sizes
 192         switch (settings->iconSize()) {
 193             case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
 194             case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
 195             default: Q_ASSERT(false); break;
 196         }
 197         updateDecorationSize();
 198     }
 199 }
 200
 201 bool DolphinDetailsView::isZoomInPossible() const
 202 {
 203     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 204     return settings->iconSize() < K3Icon::SizeLarge;
 205 }
 206
 207 bool DolphinDetailsView::isZoomOutPossible() const
 208 {
 209     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 210     return settings->iconSize() > K3Icon::SizeSmall;
 211 }
 212
 213 void DolphinDetailsView::updateDecorationSize()
 214 {
 215     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 216     const int iconSize = settings->iconSize();
 217     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 218
 219     m_controller->setZoomInPossible(isZoomInPossible());
 220     m_controller->setZoomOutPossible(isZoomOutPossible());
 221
 222     doItemsLayout();
 223 }
 224
 225 #include "dolphindetailsview.moc"