src/dolphinviewcontroller.cpp

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