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