src/views/dolphinviewcontroller.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Peter Penz <peter.penz19@gmail.com>             *
   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 "dolphinviewcontroller.h"
  21 #include "zoomlevelinfo.h"
  22
  23 #include <KDirModel>
  24 #include <KFileItemActions>
  25 #include <QAbstractProxyModel>
  26 #include <QApplication>
  27 #include <QClipboard>
  28 #include <QDir>
  29
  30 Qt::MouseButtons DolphinViewController::m_mouseButtons = Qt::NoButton;
  31
  32 DolphinViewController::DolphinViewController(DolphinView* dolphinView) :
  33     QObject(dolphinView),
  34     m_dolphinView(dolphinView),
  35     m_itemView(0),
  36     m_versionControlActions()
  37 {
  38 }
  39
  40 DolphinViewController::~DolphinViewController()
  41 {
  42 }
  43
  44 const DolphinView* DolphinViewController::view() const
  45 {
  46     return m_dolphinView;
  47 }
  48
  49 void DolphinViewController::requestUrlChange(const KUrl& url)
  50 {
  51     emit urlChangeRequested(url);
  52 }
  53
  54 void DolphinViewController::setItemView(QAbstractItemView* view)
  55 {
  56     if (m_itemView) {
  57         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  58                    this, SLOT(updateMouseButtonState()));
  59     }
  60
  61     m_itemView = view;
  62
  63     if (m_itemView) {
  64         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  65         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  66                 this, SLOT(updateMouseButtonState()));
  67     }
  68 }
  69
  70 QAbstractItemView* DolphinViewController::itemView() const
  71 {
  72     return m_itemView;
  73 }
  74
  75 void DolphinViewController::triggerContextMenuRequest(const QPoint& pos,
  76                                                   const QList<QAction*>& customActions)
  77 {
  78     emit activated();
  79     emit requestContextMenu(pos, customActions);
  80 }
  81
  82 void DolphinViewController::requestActivation()
  83 {
  84     emit activated();
  85 }
  86
  87 void DolphinViewController::indicateDroppedUrls(const KFileItem& destItem, QDropEvent* event)
  88 {
  89     emit urlsDropped(destItem, m_dolphinView->url(), event);
  90 }
  91
  92
  93 void DolphinViewController::indicateSortingChange(DolphinView::Sorting sorting)
  94 {
  95     emit sortingChanged(sorting);
  96 }
  97
  98 void DolphinViewController::indicateSortOrderChange(Qt::SortOrder order)
  99 {
 100     emit sortOrderChanged(order);
 101 }
 102
 103 void DolphinViewController::indicateSortFoldersFirstChange(bool foldersFirst)
 104 {
 105     emit sortFoldersFirstChanged(foldersFirst);
 106 }
 107
 108 void DolphinViewController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 109 {
 110     emit additionalInfoChanged(info);
 111 }
 112
 113 void DolphinViewController::setVersionControlActions(QList<QAction*> actions)
 114 {
 115     m_versionControlActions = actions;
 116 }
 117
 118 QList<QAction*> DolphinViewController::versionControlActions(const KFileItemList& items)
 119 {
 120     emit requestVersionControlActions(items);
 121     // All view implementations are connected with the signal requestVersionControlActions()
 122     // (see ViewExtensionFactory) and will invoke DolphinViewController::setVersionControlActions(),
 123     // so that the context dependent actions can be returned.
 124     return m_versionControlActions;
 125 }
 126
 127 void DolphinViewController::handleKeyPressEvent(QKeyEvent* event)
 128 {
 129     if (!m_itemView) {
 130         return;
 131     }
 132
 133     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 134     const QModelIndex currentIndex = selModel->currentIndex();
 135     const bool trigger = currentIndex.isValid()
 136                          && ((event->key() == Qt::Key_Return) || (event->key() == Qt::Key_Enter))
 137                          && !selModel->selectedIndexes().isEmpty();
 138     if (!trigger) {
 139         return;
 140     }
 141
 142     // Collect selected files and selected directories
 143     // as two separate lists.
 144     QModelIndexList dirQueue;
 145     const QModelIndexList indexList = selModel->selectedIndexes();
 146     KFileItemList fileOpenList;
 147     foreach (const QModelIndex& index, indexList) {
 148         if (itemForIndex(index).isDir()) {
 149             dirQueue << index;
 150         } else {
 151             fileOpenList << itemForIndex(index);
 152         }
 153     }
 154
 155     // Handle selected files
 156     if (fileOpenList.count() == 1) {
 157         emit itemTriggered(fileOpenList.first());
 158     } else {
 159         KFileItemActions fileItemActions;
 160         fileItemActions.runPreferredApplications(fileOpenList, "DesktopEntryName != 'dolphin'");
 161     }
 162
 163     // Handle selected directories
 164     if (dirQueue.count() == 1) {
 165         // Open directory in the view
 166         emit itemTriggered(itemForIndex(dirQueue[0]));
 167     } else {
 168         // Open directories in separate tabs
 169         foreach(const QModelIndex& dir, dirQueue) {
 170             emit tabRequested(itemForIndex(dir).url());
 171         }
 172     }
 173 }
 174
 175 void DolphinViewController::replaceUrlByClipboard()
 176 {
 177     const QClipboard* clipboard = QApplication::clipboard();
 178     QString text;
 179     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 180         text = clipboard->mimeData(QClipboard::Selection)->text();
 181     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 182         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 183     }
 184     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 185         m_dolphinView->setUrl(KUrl(text));
 186     }
 187 }
 188
 189 void DolphinViewController::requestToolTipHiding()
 190 {
 191     emit hideToolTip();
 192 }
 193
 194 void DolphinViewController::emitItemTriggered(const KFileItem& item)
 195 {
 196     emit itemTriggered(item);
 197 }
 198
 199 KFileItem DolphinViewController::itemForIndex(const QModelIndex& index) const
 200 {
 201     if (m_itemView) {
 202         QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 203         if (proxyModel) {
 204             KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 205             const QModelIndex dirIndex = proxyModel->mapToSource(index);
 206             return dirModel->itemForIndex(dirIndex);
 207         }
 208     }
 209
 210     return KFileItem();
 211 }
 212
 213 void DolphinViewController::triggerItem(const QModelIndex& index)
 214 {
 215     if (m_mouseButtons & Qt::LeftButton) {
 216         const KFileItem item = itemForIndex(index);
 217         if (index.isValid() && (index.column() == KDirModel::Name)) {
 218             emit itemTriggered(item);
 219         } else if (m_itemView) {
 220             m_itemView->clearSelection();
 221             emit itemEntered(KFileItem());
 222         }
 223     }
 224 }
 225
 226 void DolphinViewController::requestTab(const QModelIndex& index)
 227 {
 228     if (m_mouseButtons & Qt::MidButton) {
 229         const KFileItem item = itemForIndex(index);
 230         const bool validRequest = index.isValid() &&
 231                                   (index.column() == KDirModel::Name) &&
 232                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 233         if (validRequest) {
 234             emit tabRequested(item.url());
 235         }
 236     }
 237 }
 238
 239 void DolphinViewController::emitItemEntered(const QModelIndex& index)
 240 {
 241     KFileItem item = itemForIndex(index);
 242     if (!item.isNull()) {
 243         emit itemEntered(item);
 244     }
 245 }
 246
 247 void DolphinViewController::emitViewportEntered()
 248 {
 249     emit viewportEntered();
 250 }
 251
 252 void DolphinViewController::updateMouseButtonState()
 253 {
 254     m_mouseButtons = QApplication::mouseButtons();
 255 }
 256
 257 #include "dolphinviewcontroller.moc"