src/panels/folders/folderspanel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2010 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 "folderspanel.h"
  21
  22 #include "settings/dolphinsettings.h"
  23 #include "dolphin_folderspanelsettings.h"
  24 #include "dolphin_generalsettings.h"
  25 #include "paneltreeview.h"
  26 #include "treeviewcontextmenu.h"
  27
  28 #include <KFilePlacesModel>
  29 #include <KDirLister>
  30 #include <KFileItem>
  31 #include <konq_operations.h>
  32
  33 #include <QApplication>
  34 #include <QBoxLayout>
  35 #include <QItemSelection>
  36 #include <QModelIndex>
  37 #include <QPointer>
  38 #include <QTreeView>
  39 #include <QScrollBar>
  40 #include <QTimer>
  41
  42 #include <views/dolphinview.h>
  43 #include <views/folderexpander.h>
  44 #include <views/renamedialog.h>
  45
  46 FoldersPanel::FoldersPanel(QWidget* parent) :
  47     Panel(parent),
  48     m_setLeafVisible(false),
  49     m_mouseButtons(Qt::NoButton),
  50     m_dirLister(0),
  51     //m_dolphinModel(0),
  52     //m_proxyModel(0),
  53     m_treeView(0),
  54     m_leafDir()
  55 {
  56     setLayoutDirection(Qt::LeftToRight);
  57 }
  58
  59 FoldersPanel::~FoldersPanel()
  60 {
  61     FoldersPanelSettings::self()->writeConfig();
  62
  63     //delete m_proxyModel;
  64     //m_proxyModel = 0;
  65     //delete m_dolphinModel;
  66     //m_dolphinModel = 0;
  67     delete m_dirLister;
  68     m_dirLister = 0;
  69 }
  70
  71 void FoldersPanel::setHiddenFilesShown(bool show)
  72 {
  73     FoldersPanelSettings::setHiddenFilesShown(show);
  74     if (m_dirLister) {
  75         m_dirLister->setShowingDotFiles(show);
  76         m_dirLister->openUrl(m_dirLister->url(), KDirLister::Reload);
  77     }
  78 }
  79
  80 bool FoldersPanel::hiddenFilesShown() const
  81 {
  82     return FoldersPanelSettings::hiddenFilesShown();
  83 }
  84
  85 void FoldersPanel::setAutoScrolling(bool enable)
  86 {
  87     m_treeView->setAutoHorizontalScroll(enable);
  88     FoldersPanelSettings::setAutoScrolling(enable);
  89 }
  90
  91 bool FoldersPanel::autoScrolling() const
  92 {
  93     return FoldersPanelSettings::autoScrolling();
  94 }
  95
  96 void FoldersPanel::rename(const KFileItem& item)
  97 {
  98     if (DolphinSettings::instance().generalSettings()->renameInline()) {
  99         //const QModelIndex dirIndex = m_dolphinModel->indexForItem(item);
 100         //const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 101         //m_treeView->edit(proxyIndex);
 102     } else {
 103         RenameDialog* dialog = new RenameDialog(this, KFileItemList() << item);
 104         dialog->setAttribute(Qt::WA_DeleteOnClose);
 105         dialog->show();
 106         dialog->raise();
 107         dialog->activateWindow();
 108     }
 109 }
 110
 111 bool FoldersPanel::urlChanged()
 112 {
 113     if (!url().isValid() || url().protocol().contains("search")) {
 114         // Skip results shown by a search, as possible identical
 115         // directory names are useless without parent-path information.
 116         return false;
 117     }
 118
 119     if (m_dirLister) {
 120         m_setLeafVisible = true;
 121         loadTree(url());
 122     }
 123
 124     return true;
 125 }
 126
 127 void FoldersPanel::showEvent(QShowEvent* event)
 128 {
 129     if (event->spontaneous()) {
 130         Panel::showEvent(event);
 131         return;
 132     }
 133
 134     if (!m_dirLister) {
 135         // Postpone the creating of the dir lister to the first show event.
 136         // This assures that no performance and memory overhead is given when the TreeView is not
 137         // used at all (see FoldersPanel::setUrl()).
 138         m_dirLister = new KDirLister();
 139         m_dirLister->setDirOnlyMode(true);
 140         m_dirLister->setAutoUpdate(true);
 141         m_dirLister->setMainWindow(window());
 142         m_dirLister->setDelayedMimeTypes(true);
 143         m_dirLister->setAutoErrorHandlingEnabled(false, this);
 144         m_dirLister->setShowingDotFiles(FoldersPanelSettings::hiddenFilesShown());
 145         connect(m_dirLister, SIGNAL(completed()), this, SLOT(slotDirListerCompleted()));
 146
 147         /*Q_ASSERT(!m_dolphinModel);
 148         m_dolphinModel = new DolphinModel(this);
 149         m_dolphinModel->setDirLister(m_dirLister);
 150         m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 151         connect(m_dolphinModel, SIGNAL(expand(const QModelIndex&)),
 152                 this, SLOT(expandToDir(const QModelIndex&)));
 153
 154         Q_ASSERT(!m_proxyModel);
 155         m_proxyModel = new DolphinSortFilterProxyModel(this);
 156         m_proxyModel->setSourceModel(m_dolphinModel);
 157
 158         Q_ASSERT(!m_treeView);
 159         m_treeView = new PanelTreeView(this);
 160         m_treeView->setModel(m_proxyModel);
 161         m_proxyModel->setSorting(DolphinView::SortByName);
 162         m_proxyModel->setSortOrder(Qt::AscendingOrder);
 163         m_treeView->setAutoHorizontalScroll(FoldersPanelSettings::autoScrolling());
 164
 165         new FolderExpander(m_treeView, m_proxyModel);
 166
 167         connect(m_treeView, SIGNAL(clicked(const QModelIndex&)),
 168                 this, SLOT(updateActiveView(const QModelIndex&)));
 169         connect(m_treeView, SIGNAL(urlsDropped(const QModelIndex&, QDropEvent*)),
 170                 this, SLOT(dropUrls(const QModelIndex&, QDropEvent*)));
 171         connect(m_treeView, SIGNAL(pressed(const QModelIndex&)),
 172                 this, SLOT(updateMouseButtons()));
 173
 174         connect(m_treeView->horizontalScrollBar(), SIGNAL(sliderMoved(int)),
 175                 this, SLOT(slotHorizontalScrollBarMoved(int)));
 176         connect(m_treeView->verticalScrollBar(), SIGNAL(valueChanged(int)),
 177                 this, SLOT(slotVerticalScrollBarMoved(int)));
 178
 179         QVBoxLayout* layout = new QVBoxLayout(this);
 180         layout->setMargin(0);
 181         layout->addWidget(m_treeView);*/
 182     }
 183
 184     loadTree(url());
 185     Panel::showEvent(event);
 186 }
 187
 188 void FoldersPanel::contextMenuEvent(QContextMenuEvent* event)
 189 {
 190     Panel::contextMenuEvent(event);
 191
 192     KFileItem item;
 193     /*const QModelIndex index = m_treeView->indexAt(event->pos());
 194     if (index.isValid()) {
 195         const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 196         item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 197     }*/
 198
 199     QPointer<TreeViewContextMenu> contextMenu = new TreeViewContextMenu(this, item);
 200     contextMenu->open();
 201     delete contextMenu;
 202 }
 203
 204 void FoldersPanel::keyPressEvent(QKeyEvent* event)
 205 {
 206     const int key = event->key();
 207     if ((key == Qt::Key_Enter) || (key == Qt::Key_Return)) {
 208         event->accept();
 209         updateActiveView(m_treeView->currentIndex());
 210     } else {
 211         Panel::keyPressEvent(event);
 212     }
 213 }
 214
 215 void FoldersPanel::updateActiveView(const QModelIndex& index)
 216 {
 217     Q_UNUSED(index);
 218     /*const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
 219     const KFileItem item = m_dolphinModel->itemForIndex(dirIndex);
 220     if (!item.isNull()) {
 221         emit changeUrl(item.url(), m_mouseButtons);
 222     }*/
 223 }
 224
 225 void FoldersPanel::dropUrls(const QModelIndex& index, QDropEvent* event)
 226 {
 227     Q_UNUSED(event);
 228     if (index.isValid()) {
 229         /*const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
 230         KFileItem item = m_dolphinModel->itemForIndex(dirIndex);
 231         Q_ASSERT(!item.isNull());
 232         if (item.isDir()) {
 233             Q_UNUSED(event);
 234             //DragAndDropHelper::instance().dropUrls(item, item.url(), event, this);
 235         }*/
 236     }
 237 }
 238
 239 void FoldersPanel::expandToDir(const QModelIndex& index)
 240 {
 241     m_treeView->setExpanded(index, true);
 242     selectLeafDirectory();
 243 }
 244
 245 void FoldersPanel::scrollToLeaf()
 246 {
 247     /*const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_leafDir);
 248     const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 249     if (proxyIndex.isValid()) {
 250         m_treeView->scrollTo(proxyIndex);
 251     }*/
 252 }
 253
 254 void FoldersPanel::updateMouseButtons()
 255 {
 256     m_mouseButtons = QApplication::mouseButtons();
 257 }
 258
 259 void FoldersPanel::slotDirListerCompleted()
 260 {
 261 //    m_treeView->resizeColumnToContents(DolphinModel::Name);
 262 }
 263
 264 void FoldersPanel::slotHorizontalScrollBarMoved(int value)
 265 {
 266     Q_UNUSED(value);
 267     // Disable the auto-scrolling until the vertical scrollbar has
 268     // been moved by the user.
 269     m_treeView->setAutoHorizontalScroll(false);
 270 }
 271
 272 void FoldersPanel::slotVerticalScrollBarMoved(int value)
 273 {
 274     Q_UNUSED(value);
 275     // Enable the auto-scrolling again (it might have been disabled by
 276     // moving the horizontal scrollbar).
 277     m_treeView->setAutoHorizontalScroll(FoldersPanelSettings::autoScrolling());
 278 }
 279
 280 void FoldersPanel::loadTree(const KUrl& url)
 281 {
 282     Q_ASSERT(m_dirLister);
 283     m_leafDir = url;
 284
 285     KUrl baseUrl;
 286     if (url.isLocalFile()) {
 287         // use the root directory as base for local URLs (#150941)
 288         baseUrl = QDir::rootPath();
 289     } else {
 290         // clear the path for non-local URLs and use it as base
 291         baseUrl = url;
 292         baseUrl.setPath(QString('/'));
 293     }
 294
 295     if (m_dirLister->url() != baseUrl) {
 296         m_dirLister->stop();
 297         m_dirLister->openUrl(baseUrl, KDirLister::Reload);
 298     }
 299     //m_dolphinModel->expandToUrl(m_leafDir);
 300 }
 301
 302 void FoldersPanel::selectLeafDirectory()
 303 {
 304     /*const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_leafDir);
 305     const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 306
 307     if (proxyIndex.isValid()) {
 308         QItemSelectionModel* selModel = m_treeView->selectionModel();
 309         selModel->setCurrentIndex(proxyIndex, QItemSelectionModel::ClearAndSelect);
 310
 311         if (m_setLeafVisible) {
 312             // Invoke scrollToLeaf() asynchronously. This assures that
 313             // the horizontal scrollbar is shown after resizing the column
 314             // (otherwise the scrollbar might hide the leaf).
 315             QTimer::singleShot(0, this, SLOT(scrollToLeaf()));
 316             m_setLeafVisible = false;
 317         }
 318     }*/
 319 }
 320
 321 #include "folderspanel.moc"