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     setSelectionBehavior(SelectItems);
  46     setDragDropMode(QAbstractItemView::DragDrop);
  47     setDropIndicatorShown(false);
  48
  49     viewport()->setAttribute(Qt::WA_Hover);
  50
  51     const ViewProperties props(controller->url());
  52     setSortIndicatorSection(props.sorting());
  53     setSortIndicatorOrder(props.sortOrder());
  54
  55     connect(header(), SIGNAL(sectionClicked(int)),
  56             this, SLOT(synchronizeSortingState(int)));
  57
  58     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  59             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  60     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  61             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  62
  63     if (KGlobalSettings::singleClick()) {
  64         connect(this, SIGNAL(clicked(const QModelIndex&)),
  65                 controller, SLOT(triggerItem(const QModelIndex&)));
  66     } else {
  67         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
  68                 controller, SLOT(triggerItem(const QModelIndex&)));
  69     }
  70     connect(this, SIGNAL(activated(const QModelIndex&)),
  71             controller, SLOT(triggerItem(const QModelIndex&)));
  72
  73     connect(controller, SIGNAL(zoomIn()),
  74             this, SLOT(zoomIn()));
  75     connect(controller, SIGNAL(zoomOut()),
  76             this, SLOT(zoomOut()));
  77
  78     // apply the details mode settings to the widget
  79     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
  80     Q_ASSERT(settings != 0);
  81
  82     m_viewOptions = QTreeView::viewOptions();
  83
  84     QFont font(settings->fontFamily(), settings->fontSize());
  85     font.setItalic(settings->italicFont());
  86     font.setBold(settings->boldFont());
  87     m_viewOptions.font = font;
  88
  89     updateDecorationSize();
  90 }
  91
  92 DolphinDetailsView::~DolphinDetailsView()
  93 {}
  94
  95 bool DolphinDetailsView::event(QEvent* event)
  96 {
  97     if (event->type() == QEvent::Polish) {
  98         // Assure that by respecting the available width that:
  99         // - the 'Name' column is stretched as large as possible
 100         // - the remaining columns are as small as possible
 101         QHeaderView* headerView = header();
 102         headerView->setStretchLastSection(false);
 103         headerView->setResizeMode(QHeaderView::ResizeToContents);
 104         headerView->setResizeMode(0, QHeaderView::Stretch);
 105
 106         // hide columns if this is indicated by the settings
 107         const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 108         Q_ASSERT(settings != 0);
 109         if (!settings->showDate()) {
 110             hideColumn(KDirModel::ModifiedTime);
 111         }
 112
 113         if (!settings->showPermissions()) {
 114             hideColumn(KDirModel::Permissions);
 115         }
 116
 117         if (!settings->showOwner()) {
 118             hideColumn(KDirModel::Owner);
 119         }
 120
 121         if (!settings->showGroup()) {
 122             hideColumn(KDirModel::Group);
 123         }
 124
 125         if (!settings->showType()) {
 126             hideColumn(KDirModel::Type);
 127         }
 128     }
 129
 130     return QTreeView::event(event);
 131 }
 132
 133 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 134 {
 135     return m_viewOptions;
 136 }
 137
 138 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 139 {
 140     QTreeView::contextMenuEvent(event);
 141     m_controller->triggerContextMenuRequest(event->pos());
 142 }
 143
 144 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 145 {
 146     QTreeView::mouseReleaseEvent(event);
 147     m_controller->triggerActivation();
 148 }
 149
 150 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 151 {
 152     if (event->mimeData()->hasUrls()) {
 153         event->acceptProposedAction();
 154     }
 155 }
 156
 157 void DolphinDetailsView::dropEvent(QDropEvent* event)
 158 {
 159     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 160     if (!urls.isEmpty()) {
 161         event->acceptProposedAction();
 162         m_controller->indicateDroppedUrls(urls,
 163                                           indexAt(event->pos()),
 164                                           event->source());
 165     }
 166     QTreeView::dropEvent(event);
 167 }
 168
 169 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 170 {
 171     QHeaderView* headerView = header();
 172     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 173 }
 174
 175 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 176 {
 177     QHeaderView* headerView = header();
 178     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 179 }
 180
 181 void DolphinDetailsView::synchronizeSortingState(int column)
 182 {
 183     // The sorting has already been changed in QTreeView if this slot is
 184     // invoked, but Dolphin is not informed about this.
 185     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 186     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 187     m_controller->indicateSortingChange(sorting);
 188     m_controller->indicateSortOrderChange(sortOrder);
 189 }
 190
 191 void DolphinDetailsView::zoomIn()
 192 {
 193     if (isZoomInPossible()) {
 194         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 195         // TODO: get rid of K3Icon sizes
 196         switch (settings->iconSize()) {
 197         case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
 198         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
 199         default: Q_ASSERT(false); break;
 200         }
 201         updateDecorationSize();
 202     }
 203 }
 204
 205 void DolphinDetailsView::zoomOut()
 206 {
 207     if (isZoomOutPossible()) {
 208         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 209         // TODO: get rid of K3Icon sizes
 210         switch (settings->iconSize()) {
 211         case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
 212         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
 213         default: Q_ASSERT(false); break;
 214         }
 215         updateDecorationSize();
 216     }
 217 }
 218
 219 bool DolphinDetailsView::isZoomInPossible() const
 220 {
 221     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 222     return settings->iconSize() < K3Icon::SizeLarge;
 223 }
 224
 225 bool DolphinDetailsView::isZoomOutPossible() const
 226 {
 227     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 228     return settings->iconSize() > K3Icon::SizeSmall;
 229 }
 230
 231 void DolphinDetailsView::updateDecorationSize()
 232 {
 233     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 234     const int iconSize = settings->iconSize();
 235     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 236
 237     m_controller->setZoomInPossible(isZoomInPossible());
 238     m_controller->setZoomOutPossible(isZoomOutPossible());
 239
 240     doItemsLayout();
 241 }
 242
 243 #include "dolphindetailsview.moc"