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 "dolphin_folderspanelsettings.h"
  23 #include "dolphin_generalsettings.h"
  24 #include "paneltreeview.h"
  25 #include "treeviewcontextmenu.h"
  26
  27 #include <KDirLister>
  28 #include <KFileItem>
  29 #include <konq_operations.h>
  30
  31 #include <QApplication>
  32 #include <QBoxLayout>
  33 #include <QItemSelection>
  34 #include <QModelIndex>
  35 #include <QPointer>
  36 #include <QTreeView>
  37 #include <QScrollBar>
  38 #include <QTimer>
  39
  40 #include <views/dolphinview.h>
  41 #include <views/folderexpander.h>
  42 #include <views/renamedialog.h>
  43
  44 FoldersPanel::FoldersPanel(QWidget* parent) :
  45     Panel(parent),
  46     m_setLeafVisible(false),
  47     m_mouseButtons(Qt::NoButton),
  48     m_dirLister(0),
  49     //m_dolphinModel(0),
  50     //m_proxyModel(0),
  51     m_treeView(0),
  52     m_leafDir()
  53 {
  54     setLayoutDirection(Qt::LeftToRight);
  55 }
  56
  57 FoldersPanel::~FoldersPanel()
  58 {
  59     FoldersPanelSettings::self()->writeConfig();
  60
  61     //delete m_proxyModel;
  62     //m_proxyModel = 0;
  63     //delete m_dolphinModel;
  64     //m_dolphinModel = 0;
  65     delete m_dirLister;
  66     m_dirLister = 0;
  67 }
  68
  69 void FoldersPanel::setHiddenFilesShown(bool show)
  70 {
  71     FoldersPanelSettings::setHiddenFilesShown(show);
  72     if (m_dirLister) {
  73         m_dirLister->setShowingDotFiles(show);
  74         m_dirLister->openUrl(m_dirLister->url(), KDirLister::Reload);
  75     }
  76 }
  77
  78 bool FoldersPanel::hiddenFilesShown() const
  79 {
  80     return FoldersPanelSettings::hiddenFilesShown();
  81 }
  82
  83 void FoldersPanel::setAutoScrolling(bool enable)
  84 {
  85     m_treeView->setAutoHorizontalScroll(enable);
  86     FoldersPanelSettings::setAutoScrolling(enable);
  87 }
  88
  89 bool FoldersPanel::autoScrolling() const
  90 {
  91     return FoldersPanelSettings::autoScrolling();
  92 }
  93
  94 void FoldersPanel::rename(const KFileItem& item)
  95 {
  96     // TODO: Inline renaming is not supported anymore in Dolphin 2.0
  97     if (false /* GeneralSettings::renameInline() */) {
  98         //const QModelIndex dirIndex = m_dolphinModel->indexForItem(item);
  99         //const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 100         //m_treeView->edit(proxyIndex);
 101     } else {
 102         RenameDialog* dialog = new RenameDialog(this, KFileItemList() << item);
 103         dialog->setAttribute(Qt::WA_DeleteOnClose);
 104         dialog->show();
 105         dialog->raise();
 106         dialog->activateWindow();
 107     }
 108 }
 109
 110 bool FoldersPanel::urlChanged()
 111 {
 112     if (!url().isValid() || url().protocol().contains("search")) {
 113         // Skip results shown by a search, as possible identical
 114         // directory names are useless without parent-path information.
 115         return false;
 116     }
 117
 118     if (m_dirLister) {
 119         m_setLeafVisible = true;
 120         loadTree(url());
 121     }
 122
 123     return true;
 124 }
 125
 126 void FoldersPanel::showEvent(QShowEvent* event)
 127 {
 128     if (event->spontaneous()) {
 129         Panel::showEvent(event);
 130         return;
 131     }
 132
 133     if (!m_dirLister) {
 134         // Postpone the creating of the dir lister to the first show event.
 135         // This assures that no performance and memory overhead is given when the TreeView is not
 136         // used at all (see FoldersPanel::setUrl()).
 137         m_dirLister = new KDirLister();
 138         m_dirLister->setDirOnlyMode(true);
 139         m_dirLister->setAutoUpdate(true);
 140         m_dirLister->setMainWindow(window());
 141         m_dirLister->setDelayedMimeTypes(true);
 142         m_dirLister->setAutoErrorHandlingEnabled(false, this);
 143         m_dirLister->setShowingDotFiles(FoldersPanelSettings::hiddenFilesShown());
 144         connect(m_dirLister, SIGNAL(completed()), this, SLOT(slotDirListerCompleted()));
 145
 146         /*Q_ASSERT(!m_dolphinModel);
 147         m_dolphinModel = new DolphinModel(this);
 148         m_dolphinModel->setDirLister(m_dirLister);
 149         m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 150         connect(m_dolphinModel, SIGNAL(expand(QModelIndex)),
 151                 this, SLOT(expandToDir(QModelIndex)));
 152
 153         Q_ASSERT(!m_proxyModel);
 154         m_proxyModel = new DolphinSortFilterProxyModel(this);
 155         m_proxyModel->setSourceModel(m_dolphinModel);
 156
 157         Q_ASSERT(!m_treeView);
 158         m_treeView = new PanelTreeView(this);
 159         m_treeView->setModel(m_proxyModel);
 160         m_proxyModel->setSorting(DolphinView::SortByName);
 161         m_proxyModel->setSortOrder(Qt::AscendingOrder);
 162         m_treeView->setAutoHorizontalScroll(FoldersPanelSettings::autoScrolling());
 163
 164         new FolderExpander(m_treeView, m_proxyModel);
 165
 166         connect(m_treeView, SIGNAL(clicked(QModelIndex)),
 167                 this, SLOT(updateActiveView(QModelIndex)));
 168         connect(m_treeView, SIGNAL(urlsDropped(QModelIndex,QDropEvent*)),
 169                 this, SLOT(dropUrls(QModelIndex,QDropEvent*)));
 170         connect(m_treeView, SIGNAL(pressed(QModelIndex)),
 171                 this, SLOT(updateMouseButtons()));
 172
 173         connect(m_treeView->horizontalScrollBar(), SIGNAL(sliderMoved(int)),
 174                 this, SLOT(slotHorizontalScrollBarMoved(int)));
 175         connect(m_treeView->verticalScrollBar(), SIGNAL(valueChanged(int)),
 176                 this, SLOT(slotVerticalScrollBarMoved(int)));
 177
 178         QVBoxLayout* layout = new QVBoxLayout(this);
 179         layout->setMargin(0);
 180         layout->addWidget(m_treeView);*/
 181     }
 182
 183     loadTree(url());
 184     Panel::showEvent(event);
 185 }
 186
 187 void FoldersPanel::contextMenuEvent(QContextMenuEvent* event)
 188 {
 189     Panel::contextMenuEvent(event);
 190
 191     KFileItem item;
 192     /*const QModelIndex index = m_treeView->indexAt(event->pos());
 193     if (index.isValid()) {
 194         const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 195         item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 196     }*/
 197
 198     QPointer<TreeViewContextMenu> contextMenu = new TreeViewContextMenu(this, item);
 199     contextMenu->open();
 200     delete contextMenu;
 201 }
 202
 203 void FoldersPanel::keyPressEvent(QKeyEvent* event)
 204 {
 205     const int key = event->key();
 206     if ((key == Qt::Key_Enter) || (key == Qt::Key_Return)) {
 207         event->accept();
 208         updateActiveView(m_treeView->currentIndex());
 209     } else {
 210         Panel::keyPressEvent(event);
 211     }
 212 }
 213
 214 void FoldersPanel::updateActiveView(const QModelIndex& index)
 215 {
 216     Q_UNUSED(index);
 217     /*const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
 218     const KFileItem item = m_dolphinModel->itemForIndex(dirIndex);
 219     if (!item.isNull()) {
 220         emit changeUrl(item.url(), m_mouseButtons);
 221     }*/
 222 }
 223
 224 void FoldersPanel::dropUrls(const QModelIndex& index, QDropEvent* event)
 225 {
 226     Q_UNUSED(event);
 227     if (index.isValid()) {
 228         /*const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
 229         KFileItem item = m_dolphinModel->itemForIndex(dirIndex);
 230         Q_ASSERT(!item.isNull());
 231         if (item.isDir()) {
 232             Q_UNUSED(event);
 233             //DragAndDropHelper::instance().dropUrls(item, item.url(), event, this);
 234         }*/
 235     }
 236 }
 237
 238 void FoldersPanel::expandToDir(const QModelIndex& index)
 239 {
 240     m_treeView->setExpanded(index, true);
 241     selectLeafDirectory();
 242 }
 243
 244 void FoldersPanel::scrollToLeaf()
 245 {
 246     /*const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_leafDir);
 247     const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 248     if (proxyIndex.isValid()) {
 249         m_treeView->scrollTo(proxyIndex);
 250     }*/
 251 }
 252
 253 void FoldersPanel::updateMouseButtons()
 254 {
 255     m_mouseButtons = QApplication::mouseButtons();
 256 }
 257
 258 void FoldersPanel::slotDirListerCompleted()
 259 {
 260 //    m_treeView->resizeColumnToContents(DolphinModel::Name);
 261 }
 262
 263 void FoldersPanel::slotHorizontalScrollBarMoved(int value)
 264 {
 265     Q_UNUSED(value);
 266     // Disable the auto-scrolling until the vertical scrollbar has
 267     // been moved by the user.
 268     m_treeView->setAutoHorizontalScroll(false);
 269 }
 270
 271 void FoldersPanel::slotVerticalScrollBarMoved(int value)
 272 {
 273     Q_UNUSED(value);
 274     // Enable the auto-scrolling again (it might have been disabled by
 275     // moving the horizontal scrollbar).
 276     m_treeView->setAutoHorizontalScroll(FoldersPanelSettings::autoScrolling());
 277 }
 278
 279 void FoldersPanel::loadTree(const KUrl& url)
 280 {
 281     Q_ASSERT(m_dirLister);
 282     m_leafDir = url;
 283
 284     KUrl baseUrl;
 285     if (url.isLocalFile()) {
 286         // use the root directory as base for local URLs (#150941)
 287         baseUrl = QDir::rootPath();
 288     } else {
 289         // clear the path for non-local URLs and use it as base
 290         baseUrl = url;
 291         baseUrl.setPath(QString('/'));
 292     }
 293
 294     if (m_dirLister->url() != baseUrl) {
 295         m_dirLister->stop();
 296         m_dirLister->openUrl(baseUrl, KDirLister::Reload);
 297     }
 298     //m_dolphinModel->expandToUrl(m_leafDir);
 299 }
 300
 301 void FoldersPanel::selectLeafDirectory()
 302 {
 303     /*const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_leafDir);
 304     const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 305
 306     if (proxyIndex.isValid()) {
 307         QItemSelectionModel* selModel = m_treeView->selectionModel();
 308         selModel->setCurrentIndex(proxyIndex, QItemSelectionModel::ClearAndSelect);
 309
 310         if (m_setLeafVisible) {
 311             // Invoke scrollToLeaf() asynchronously. This assures that
 312             // the horizontal scrollbar is shown after resizing the column
 313             // (otherwise the scrollbar might hide the leaf).
 314             QTimer::singleShot(0, this, SLOT(scrollToLeaf()));
 315             m_setLeafVisible = false;
 316         }
 317     }*/
 318 }
 319
 320 #include "folderspanel.moc"