src/viewextensionsfactory.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "viewextensionsfactory.h"
  21
  22 #include "dolphincontroller.h"
  23 #include "dolphinfileitemdelegate.h"
  24 #include "dolphinsortfilterproxymodel.h"
  25 #include "dolphinview.h"
  26 #include "dolphinviewautoscroller.h"
  27 #include "selectionmanager.h"
  28 #include "settings/dolphinsettings.h"
  29 #include "tooltips/tooltipmanager.h"
  30
  31 #include "dolphin_generalsettings.h"
  32
  33 #include <kdirlister.h>
  34 #include <kdirmodel.h>
  35 #include <kfilepreviewgenerator.h>
  36 #include <QAbstractItemView>
  37
  38 ViewExtensionsFactory::ViewExtensionsFactory(QAbstractItemView* view,
  39                                              DolphinController* controller) :
  40     QObject(view),
  41     m_view(view),
  42     m_controller(controller),
  43     m_toolTipManager(0),
  44     m_previewGenerator(0),
  45     m_selectionManager(0),
  46     m_autoScroller(0),
  47     m_fileItemDelegate(0)
  48 {
  49     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
  50
  51     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  52
  53     // initialize tooltips
  54     if (settings->showToolTips()) {
  55         DolphinSortFilterProxyModel* proxyModel = static_cast<DolphinSortFilterProxyModel*>(view->model());
  56         m_toolTipManager = new ToolTipManager(view, proxyModel);
  57
  58         connect(controller, SIGNAL(hideToolTip()),
  59                 m_toolTipManager, SLOT(hideTip()));
  60     }
  61
  62     // initialize preview generator
  63     m_previewGenerator = new KFilePreviewGenerator(view);
  64     m_previewGenerator->setPreviewShown(controller->dolphinView()->showPreview());
  65     connect(controller, SIGNAL(zoomLevelChanged(int)),
  66             this, SLOT(slotZoomLevelChanged()));
  67     connect(controller, SIGNAL(cancelPreviews()),
  68             this, SLOT(cancelPreviews()));
  69     connect(controller->dolphinView(), SIGNAL(showPreviewChanged()),
  70             this, SLOT(slotShowPreviewChanged()));
  71
  72     // initialize selection manager
  73     if (settings->showSelectionToggle()) {
  74         m_selectionManager = new SelectionManager(view);
  75         connect(m_selectionManager, SIGNAL(selectionChanged()),
  76                 this, SLOT(requestActivation()));
  77         connect(controller, SIGNAL(urlChanged(const KUrl&)),
  78                 m_selectionManager, SLOT(reset()));
  79     }
  80
  81     // initialize auto scroller
  82     m_autoScroller = new DolphinViewAutoScroller(view);
  83
  84     // initialize file item delegate
  85     m_fileItemDelegate = new DolphinFileItemDelegate(view);
  86     m_fileItemDelegate->setShowToolTipWhenElided(false);
  87     view->setItemDelegate(m_fileItemDelegate);
  88
  89     // react on view property changes
  90     const DolphinView* dolphinView = controller->dolphinView();
  91     connect(dolphinView, SIGNAL(showHiddenFilesChanged()),
  92             this, SLOT(slotShowHiddenFilesChanged()));
  93     connect(dolphinView, SIGNAL(sortingChanged(DolphinView::Sorting)),
  94             this, SLOT(slotSortingChanged(DolphinView::Sorting)));
  95     connect(dolphinView, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  96             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
  97     connect(dolphinView, SIGNAL(sortFoldersFirstChanged(bool)),
  98             this, SLOT(slotSortFoldersFirstChanged(bool)));
  99
 100     connect(controller, SIGNAL(nameFilterChanged(const QString&)),
 101             this, SLOT(slotNameFilterChanged(const QString&)));
 102
 103     view->viewport()->installEventFilter(this);
 104 }
 105
 106 ViewExtensionsFactory::~ViewExtensionsFactory()
 107 {
 108 }
 109
 110 void ViewExtensionsFactory::handleCurrentIndexChange(const QModelIndex& current, const QModelIndex& previous)
 111 {
 112     m_autoScroller->handleCurrentIndexChange(current, previous);
 113 }
 114
 115 DolphinFileItemDelegate* ViewExtensionsFactory::fileItemDelegate() const
 116 {
 117     return m_fileItemDelegate;
 118 }
 119
 120 bool ViewExtensionsFactory::eventFilter(QObject* watched, QEvent* event)
 121 {
 122     Q_UNUSED(watched);
 123     if ((event->type() == QEvent::Wheel) && (m_selectionManager != 0)) {
 124         m_selectionManager->reset();
 125     }
 126     return false;
 127 }
 128
 129 void ViewExtensionsFactory::slotZoomLevelChanged()
 130 {
 131     m_previewGenerator->updateIcons();
 132     if (m_selectionManager != 0) {
 133         m_selectionManager->reset();
 134     }
 135 }
 136
 137 void ViewExtensionsFactory::cancelPreviews()
 138 {
 139     m_previewGenerator->cancelPreviews();
 140 }
 141
 142 void ViewExtensionsFactory::slotShowPreviewChanged()
 143 {
 144     const bool show = m_controller->dolphinView()->showPreview();
 145     m_previewGenerator->setPreviewShown(show);
 146 }
 147
 148 void ViewExtensionsFactory::slotShowHiddenFilesChanged()
 149 {
 150     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel()->sourceModel());
 151     KDirLister* dirLister = dirModel->dirLister();
 152
 153     dirLister->stop();
 154
 155     const bool show = m_controller->dolphinView()->showHiddenFiles();
 156     dirLister->setShowingDotFiles(show);
 157
 158     const KUrl url = dirLister->url();
 159     if (url.isValid()) {
 160         dirLister->openUrl(url, KDirLister::NoFlags);
 161     }
 162 }
 163
 164 void ViewExtensionsFactory::slotSortingChanged(DolphinView::Sorting sorting)
 165 {
 166     proxyModel()->setSorting(sorting);
 167 }
 168
 169 void ViewExtensionsFactory::slotSortOrderChanged(Qt::SortOrder order)
 170 {
 171     proxyModel()->setSortOrder(order);
 172 }
 173
 174 void ViewExtensionsFactory::slotSortFoldersFirstChanged(bool foldersFirst)
 175 {
 176     proxyModel()->setSortFoldersFirst(foldersFirst);
 177 }
 178
 179 void ViewExtensionsFactory::slotNameFilterChanged(const QString& nameFilter)
 180 {
 181     proxyModel()->setFilterRegExp(nameFilter);
 182 }
 183
 184 void ViewExtensionsFactory::requestActivation()
 185 {
 186     m_controller->requestActivation();
 187 }
 188
 189 DolphinSortFilterProxyModel* ViewExtensionsFactory::proxyModel() const
 190 {
 191     return static_cast<DolphinSortFilterProxyModel*>(m_view->model());
 192 }
 193
 194 #include "viewextensionsfactory.moc"
 195