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