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