src/views/dolphinview.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz@gmx.at>             *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21
  22 #ifndef DOLPHINVIEW_H
  23 #define DOLPHINVIEW_H
  24
  25 #include <config-nepomuk.h>
  26
  27 #include "libdolphin_export.h"
  28
  29 #include <kparts/part.h>
  30 #include <kfileitem.h>
  31 #include <kfileitemdelegate.h>
  32 #include <kio/fileundomanager.h>
  33 #include <kio/job.h>
  34
  35 #include <QBoxLayout>
  36 #include <QKeyEvent>
  37 #include <QLinkedList>
  38 #include <QListView>
  39 #include <QSet>
  40 #include <QWidget>
  41
  42 typedef KIO::FileUndoManager::CommandType CommandType;
  43
  44 class DolphinColumnViewContainer;
  45 class DolphinDetailsView;
  46 class DolphinIconsView;
  47 class DolphinModel;
  48 class DolphinSortFilterProxyModel;
  49 class DolphinViewController;
  50 class KAction;
  51 class KActionCollection;
  52 class KDirLister;
  53 class KUrl;
  54 class ViewModeController;
  55 class ViewProperties;
  56 class DolphinDetailsViewExpander;
  57
  58 /**
  59  * @short Represents a view for the directory content.
  60  *
  61  * View modes for icons, details and columns are supported. It's
  62  * possible to adjust:
  63  * - sort order
  64  * - sort type
  65  * - show hidden files
  66  * - show previews
  67  *
  68  * @see DolphinIconsView
  69  * @see DolphinDetailsView
  70  * @see DolphinColumnView
  71  */
  72 class LIBDOLPHINPRIVATE_EXPORT DolphinView : public QWidget
  73 {
  74     Q_OBJECT
  75
  76 public:
  77     /**
  78      * Defines the view mode for a directory. The view mode
  79      * can be defined when constructing a DolphinView. The
  80      * view mode is automatically updated if the directory itself
  81      * defines a view mode (see class ViewProperties for details).
  82      */
  83     enum Mode
  84     {
  85         /**
  86          * The directory items are shown as icons including an
  87          * icon name.
  88          */
  89         IconsView = 0,
  90
  91         /**
  92          * The icon, the name and at least the size of the directory
  93          * items are shown in a table. It is possible to add columns
  94          * for date, group and permissions.
  95          */
  96         DetailsView = 1,
  97
  98         /**
  99          * Each folder is shown in a separate column.
 100          */
 101         ColumnView = 2,
 102         MaxModeEnum = ColumnView
 103     };
 104
 105     /** Defines the sort order for the items of a directory. */
 106     enum Sorting
 107     {
 108         SortByName = 0,
 109         SortBySize,
 110         SortByDate,
 111         SortByPermissions,
 112         SortByOwner,
 113         SortByGroup,
 114         SortByType,
 115         SortByDestination,
 116         SortByPath,
 117         MaxSortingEnum = SortByPath
 118     };
 119
 120     /**
 121      * @param parent           Parent widget of the view.
 122      * @param url              Specifies the content which should be shown.
 123      * @param proxyModel       Used proxy model which specifies the sorting. The
 124      *                         model is not owned by the view and won't get
 125      *                         deleted.
 126      */
 127     DolphinView(QWidget* parent,
 128                 const KUrl& url,
 129                 DolphinSortFilterProxyModel* proxyModel);
 130
 131     virtual ~DolphinView();
 132
 133     /**
 134      * Returns the current active URL, where all actions are applied.
 135      * The URL navigator is synchronized with this URL.
 136      */
 137     KUrl url() const;
 138
 139     /**
 140      * Returns the root URL of the view, which is defined as the first
 141      * visible path of DolphinView::url(). Usually the root URL is
 142      * equal to DolphinView::url(), but in the case of the column view
 143      * when 2 columns are shown, the root URL might be:
 144      * /home/peter/Documents
 145      * and DolphinView::url() might return
 146      * /home/peter/Documents/Music/
 147      */
 148     KUrl rootUrl() const;
 149
 150     /**
 151      * If \a active is true, the view will marked as active. The active
 152      * view is defined as view where all actions are applied to.
 153      */
 154     void setActive(bool active);
 155     bool isActive() const;
 156
 157     /**
 158      * Changes the view mode for the current directory to \a mode.
 159      * If the view properties should be remembered for each directory
 160      * (GeneralSettings::globalViewProps() returns false), then the
 161      * changed view mode will be stored automatically.
 162      */
 163     void setMode(Mode mode);
 164     Mode mode() const;
 165
 166     /** See setShowPreview */
 167     bool showPreview() const;
 168
 169     /** See setShowHiddenFiles */
 170     bool showHiddenFiles() const;
 171
 172     /** See setCategorizedSorting */
 173     bool categorizedSorting() const;
 174
 175     /**
 176      * Returns true, if the categorized sorting is supported by the current
 177      * used mode (see DolphinView::setMode()). Currently only DolphinView::IconsView
 178      * supports categorizations. To check whether the categorized
 179      * sorting is set, use DolphinView::categorizedSorting().
 180      */
 181     bool supportsCategorizedSorting() const;
 182
 183     /**
 184      * Marks the items indicated by \p urls to get selected after the
 185      * directory DolphinView::url() has been loaded. Note that nothing
 186      * gets selected if no loading of a directory has been triggered
 187      * by DolphinView::setUrl() or DolphinView::reload().
 188      */
 189     void markUrlsAsSelected(const QList<KUrl>& urls);
 190
 191     /**
 192      * Returns the selected items. The list is empty if no item has been
 193      * selected.
 194      * @see DolphinView::selectedUrls()
 195      */
 196     KFileItemList selectedItems() const;
 197
 198     /**
 199      * Returns the number of selected items (this is faster than
 200      * invoking selectedItems().count()).
 201      */
 202     int selectedItemsCount() const;
 203
 204     QItemSelectionModel* selectionModel() const;
 205
 206     /**
 207      * Sets the zoom level to \a level. It is assured that the used
 208      * level is adjusted to be inside the range ZoomLevelInfo::minimumLevel() and
 209      * ZoomLevelInfo::maximumLevel().
 210      */
 211     void setZoomLevel(int level);
 212     int zoomLevel() const;
 213
 214     /**
 215      * Returns true, if zooming in is possible. If false is returned,
 216      * the maximum zooming level has been reached.
 217      */
 218     bool isZoomInPossible() const;
 219
 220     /**
 221      * Returns true, if zooming out is possible. If false is returned,
 222      * the minimum zooming level has been reached.
 223      */
 224     bool isZoomOutPossible() const;
 225
 226     /** Sets the sort order of the items inside a directory (see DolphinView::Sorting). */
 227     void setSorting(Sorting sorting);
 228
 229     /** Returns the sort order of the items inside a directory (see DolphinView::Sorting). */
 230     Sorting sorting() const;
 231
 232     /** Sets the sort order (Qt::Ascending or Qt::Descending) for the items. */
 233     void setSortOrder(Qt::SortOrder order);
 234
 235     /** Returns the current used sort order (Qt::Ascending or Qt::Descending). */
 236     Qt::SortOrder sortOrder() const;
 237
 238     /** Sets a separate sorting with folders first (true) or a mixed sorting of files and folders (false). */
 239     void setSortFoldersFirst(bool foldersFirst);
 240
 241     /** Returns if files and folders are sorted separately or not. */
 242     bool sortFoldersFirst() const;
 243
 244     /** Sets the additional information which should be shown for the items. */
 245     void setAdditionalInfo(KFileItemDelegate::InformationList info);
 246
 247     /** Returns the additional information which should be shown for the items. */
 248     KFileItemDelegate::InformationList additionalInfo() const;
 249
 250     /** Reloads the current directory. */
 251     void reload();
 252
 253     void stopLoading();
 254
 255     /**
 256      * Refreshes the view to get synchronized with the (updated) Dolphin settings.
 257      * This method only needs to get invoked if the view settings for the Icons View,
 258      * Details View or Columns View have been changed.
 259      */
 260     void refresh();
 261
 262     /**
 263      * Filters the currently shown items by \a nameFilter. All items
 264      * which contain the given filter string will be shown.
 265      */
 266     void setNameFilter(const QString& nameFilter);
 267
 268     /**
 269      * Calculates the number of currently shown files into
 270      * \a fileCount and the number of folders into \a folderCount.
 271      * The size of all files is written into \a totalFileSize.
 272      * It is recommend using this method instead of asking the
 273      * directory lister or the model directly, as it takes
 274      * filtering and hierarchical previews into account.
 275      */
 276     void calculateItemCount(int& fileCount, int& folderCount, KIO::filesize_t& totalFileSize) const;
 277
 278     /**
 279      * Returns a textual representation of the state of the current
 280      * folder or selected items, suitable for use in the status bar.
 281      */
 282     QString statusBarText() const;
 283
 284     /**
 285      * Returns the version control actions that are provided for the items \p items.
 286      * Usually the actions are presented in the context menu.
 287      */
 288     QList<QAction*> versionControlActions(const KFileItemList& items) const;
 289
 290     /**
 291      * Updates the state of the 'Additional Information' actions in \a collection.
 292      */
 293     void updateAdditionalInfoActions(KActionCollection* collection);
 294
 295     /**
 296      * Returns the state of the paste action:
 297      * first is whether the action should be enabled
 298      * second is the text for the action
 299      */
 300     QPair<bool, QString> pasteInfo() const;
 301
 302     /**
 303      * If \a tabsForFiles is true, the signal tabRequested() will also
 304      * emitted also for files. Per default tabs for files is disabled
 305      * and hence the signal tabRequested() will only be emitted for
 306      * directories.
 307      */
 308     void setTabsForFilesEnabled(bool tabsForFiles);
 309     bool isTabsForFilesEnabled() const;
 310
 311     /**
 312      * Returns true if the current view allows folders to be expanded,
 313      * i.e. presents a hierarchical view to the user.
 314      */
 315     bool itemsExpandable() const;
 316
 317     /**
 318      * Restores the view state (current item, contents position, details view expansion state)
 319      */
 320     void restoreState(QDataStream& stream);
 321
 322     /**
 323      * Saves the view state (current item, contents position, details view expansion state)
 324      */
 325     void saveState(QDataStream& stream);
 326
 327 public slots:
 328     /**
 329      * Changes the directory to \a url. If the current directory is equal to
 330      * \a url, nothing will be done (use DolphinView::reload() instead).
 331      */
 332     void setUrl(const KUrl& url);
 333
 334     /**
 335      * Selects all items.
 336      * @see DolphinView::selectedItems()
 337      */
 338     void selectAll();
 339
 340     /**
 341      * Inverts the current selection: selected items get unselected,
 342      * unselected items get selected.
 343      * @see DolphinView::selectedItems()
 344      */
 345     void invertSelection();
 346
 347     /** Returns true, if at least one item is selected. */
 348     bool hasSelection() const;
 349
 350     void clearSelection();
 351
 352     /**
 353      * Triggers the renaming of the currently selected items, where
 354      * the user must input a new name for the items.
 355      */
 356     void renameSelectedItems();
 357
 358     /**
 359      * Moves all selected items to the trash.
 360      */
 361     void trashSelectedItems();
 362
 363     /**
 364      * Deletes all selected items.
 365      */
 366     void deleteSelectedItems();
 367
 368     /**
 369      * Copies all selected items to the clipboard and marks
 370      * the items as cut.
 371      */
 372     void cutSelectedItems();
 373
 374     /** Copies all selected items to the clipboard. */
 375     void copySelectedItems();
 376
 377     /** Pastes the clipboard data to this view. */
 378     void paste();
 379
 380     /**
 381      * Pastes the clipboard data into the currently selected
 382      * folder. If the current selection is not exactly one folder, no
 383      * paste operation is done.
 384      */
 385     void pasteIntoFolder();
 386
 387     /**
 388      * Turns on the file preview for the all files of the current directory,
 389      * if \a show is true.
 390      * If the view properties should be remembered for each directory
 391      * (GeneralSettings::globalViewProps() returns false), then the
 392      * preview setting will be stored automatically.
 393      */
 394     void setShowPreview(bool show);
 395
 396     /**
 397      * Shows all hidden files of the current directory,
 398      * if \a show is true.
 399      * If the view properties should be remembered for each directory
 400      * (GeneralSettings::globalViewProps() returns false), then the
 401      * show hidden file setting will be stored automatically.
 402      */
 403     void setShowHiddenFiles(bool show);
 404
 405     /**
 406      * Summarizes all sorted items by their category \a categorized
 407      * is true.
 408      * If the view properties should be remembered for each directory
 409      * (GeneralSettings::globalViewProps() returns false), then the
 410      * categorized sorting setting will be stored automatically.
 411      */
 412     void setCategorizedSorting(bool categorized);
 413
 414     /** Switches between an ascending and descending sorting order. */
 415     void toggleSortOrder();
 416
 417     /** Switches between a separate sorting (with folders first) and a mixed sorting of files and folders. */
 418     void toggleSortFoldersFirst();
 419
 420     /**
 421      * Switches on or off the displaying of additional information
 422      * as specified by \a action.
 423      */
 424     void toggleAdditionalInfo(QAction* action);
 425
 426 signals:
 427     /**
 428      * Is emitted if the view has been activated by e. g. a mouse click.
 429      */
 430     void activated();
 431
 432     /** Is emitted if URL of the view has been changed to \a url. */
 433     void urlChanged(const KUrl& url);
 434
 435     /**
 436      * Is emitted when clicking on an item with the left mouse button.
 437      */
 438     void itemTriggered(const KFileItem& item);
 439
 440     /**
 441      * Is emitted if a new tab should be opened for the URL \a url.
 442      */
 443     void tabRequested(const KUrl& url);
 444
 445     /**
 446      * Is emitted if the view mode (IconsView, DetailsView,
 447      * PreviewsView) has been changed.
 448      */
 449     void modeChanged();
 450
 451     /** Is emitted if the 'show preview' property has been changed. */
 452     void showPreviewChanged();
 453
 454     /** Is emitted if the 'show hidden files' property has been changed. */
 455     void showHiddenFilesChanged();
 456
 457     /** Is emitted if the 'categorized sorting' property has been changed. */
 458     void categorizedSortingChanged();
 459
 460     /** Is emitted if the sorting by name, size or date has been changed. */
 461     void sortingChanged(DolphinView::Sorting sorting);
 462
 463     /** Is emitted if the sort order (ascending or descending) has been changed. */
 464     void sortOrderChanged(Qt::SortOrder order);
 465
 466     /** Is emitted if the sorting of files and folders (separate with folders first or mixed) has been changed. */
 467     void sortFoldersFirstChanged(bool foldersFirst);
 468
 469     /** Is emitted if the additional information shown for this view has been changed. */
 470     void additionalInfoChanged();
 471
 472     /** Is emitted if the zoom level has been changed by zooming in or out. */
 473     void zoomLevelChanged(int level);
 474
 475     /**
 476      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 477      * If item is null, no item information request is pending.
 478      */
 479     void requestItemInfo(const KFileItem& item);
 480
 481     /**
 482      * Is emitted whenever the selection has been changed.
 483      */
 484     void selectionChanged(const KFileItemList& selection);
 485
 486     /**
 487      * Is emitted if a context menu is requested for the item \a item,
 488      * which is part of \a url. If the item is null, the context menu
 489      * for the URL should be shown and the custom actions \a customActions
 490      * will be added.
 491      */
 492     void requestContextMenu(const KFileItem& item,
 493                             const KUrl& url,
 494                             const QList<QAction*>& customActions);
 495
 496     /**
 497      * Is emitted if an information message with the content \a msg
 498      * should be shown.
 499      */
 500     void infoMessage(const QString& msg);
 501
 502     /**
 503      * Is emitted if an error message with the content \a msg
 504      * should be shown.
 505      */
 506     void errorMessage(const QString& msg);
 507
 508     /**
 509      * Is emitted if an "operation completed" message with the content \a msg
 510      * should be shown.
 511      */
 512     void operationCompletedMessage(const QString& msg);
 513
 514     /**
 515      * Is emitted after DolphinView::setUrl() has been invoked and
 516      * the path \a url is currently loaded. If this signal is emitted,
 517      * it is assured that the view contains already the correct root
 518      * URL and property settings.
 519      */
 520     void startedPathLoading(const KUrl& url);
 521
 522     /**
 523      * Is emitted after the path triggered by DolphinView::setUrl()
 524      * has been loaded.
 525      */
 526     void finishedPathLoading(const KUrl& url);
 527
 528     /**
 529      * Emitted when KDirLister emits redirection.
 530      * Testcase: fish://localhost
 531      */
 532     void redirection(const KUrl& oldUrl, const KUrl& newUrl);
 533
 534 protected:
 535     /** @see QWidget::mouseReleaseEvent */
 536     virtual void mouseReleaseEvent(QMouseEvent* event);
 537     virtual bool eventFilter(QObject* watched, QEvent* event);
 538
 539 private slots:
 540     /**
 541      * Marks the view as active (DolphinView:isActive() will return true)
 542      * and emits the 'activated' signal if it is not already active.
 543      */
 544     void activate();
 545
 546     /**
 547      * If the item \a item is a directory, then this
 548      * directory will be loaded. If the  item is a file, the corresponding
 549      * application will get started.
 550      */
 551     void triggerItem(const KFileItem& index);
 552
 553     /**
 554      * Emits the signal \a selectionChanged() with a small delay. This is
 555      * because getting all file items for the signal can be an expensive
 556      * operation. Fast selection changes are collected in this case and
 557      * the signal is emitted only after no selection change has been done
 558      * within a small delay.
 559      */
 560     void slotSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
 561
 562     /**
 563      * Is called by emitDelayedSelectionChangedSignal() and emits the
 564      * signal \a selectionChanged() with all selected file items as parameter.
 565      */
 566     void emitSelectionChangedSignal();
 567
 568     /**
 569      * Opens the context menu on position \a pos. The position
 570      * is used to check whether the context menu is related to an
 571      * item or to the viewport.
 572      */
 573     void openContextMenu(const QPoint& pos, const QList<QAction*>& customActions);
 574
 575     /**
 576      * Drops dragged URLs to the destination path \a destPath. If
 577      * the URLs are dropped above an item inside the destination path,
 578      * the item is indicated by \a destItem.
 579      */
 580     void dropUrls(const KFileItem& destItem,
 581                   const KUrl& destPath,
 582                   QDropEvent* event);
 583
 584     /**
 585      * Updates the view properties of the current URL to the
 586      * sorting given by \a sorting.
 587      */
 588     void updateSorting(DolphinView::Sorting sorting);
 589
 590     /**
 591      * Updates the view properties of the current URL to the
 592      * sort order given by \a order.
 593      */
 594     void updateSortOrder(Qt::SortOrder order);
 595
 596     /**
 597      * Updates the view properties of the current URL to the
 598      * sorting of files and folders (separate with folders first or mixed) given by \a foldersFirst.
 599      */
 600     void updateSortFoldersFirst(bool foldersFirst);
 601
 602     /**
 603      * Updates the view properties of the current URL to the
 604      * additional information given by \a info.
 605      */
 606     void updateAdditionalInfo(const KFileItemDelegate::InformationList& info);
 607
 608     /**
 609      * Updates the status bar to show hover information for the
 610      * item \a item. If currently other items are selected,
 611      * no hover information is shown.
 612      * @see DolphinView::clearHoverInformation()
 613      */
 614     void showHoverInformation(const KFileItem& item);
 615
 616     /**
 617      * Clears the hover information shown in the status bar.
 618      * @see DolphinView::showHoverInformation().
 619      */
 620     void clearHoverInformation();
 621
 622     /**
 623      * Indicates in the status bar that the delete operation
 624      * of the job \a job has been finished.
 625      */
 626     void slotDeleteFileFinished(KJob* job);
 627
 628     /**
 629      * Invoked when the directory lister has completed the loading of
 630      * items. Assures that pasted items and renamed items get seleced.
 631      */
 632     void slotDirListerCompleted();
 633
 634     /**
 635      * Invoked when the loading of the directory is finished.
 636      * Restores the active item and the scroll position if possible.
 637      */
 638     void slotLoadingCompleted();
 639
 640     /**
 641      * Is invoked when the KDirLister indicates refreshed items.
 642      */
 643     void slotRefreshItems();
 644
 645     /**
 646      * Observes the item with the URL \a url. As soon as the directory
 647      * model indicates that the item is available, the item will
 648      * get selected and it is assure that the item stays visible.
 649      *
 650      * @see selectAndScrollToCreatedItem()
 651      */
 652     void observeCreatedItem(const KUrl& url);
 653
 654     /**
 655      * Selects and scrolls to the item that got observed
 656      * by observeCreatedItem().
 657      */
 658     void selectAndScrollToCreatedItem();
 659
 660     /**
 661      * Called when a redirection happens.
 662      * Testcase: fish://localhost
 663      */
 664     void slotRedirection(const KUrl& oldUrl, const KUrl& newUrl);
 665
 666     /**
 667      * Restores the contents position, if history information about the old position is available.
 668      */
 669     void restoreContentsPosition();
 670
 671 private:
 672     void loadDirectory(const KUrl& url, bool reload = false);
 673
 674     /**
 675      * Applies the view properties which are defined by the current URL
 676      * to the DolphinView properties.
 677      */
 678     void applyViewProperties();
 679
 680     /**
 681      * Creates a new view representing the given view mode (DolphinView::mode()).
 682      * The current view will get deleted.
 683      */
 684     void createView();
 685
 686     void deleteView();
 687
 688     /**
 689      * Helper method for DolphinView::paste() and DolphinView::pasteIntoFolder().
 690      * Pastes the clipboard data into the URL \a url.
 691      */
 692     void pasteToUrl(const KUrl& url);
 693
 694     /**
 695      * Checks whether the current item view has the same zoom level
 696      * as \a oldZoomLevel. If this is not the case, the zoom level
 697      * of the controller is updated and a zoomLevelChanged() signal
 698      * is emitted.
 699      */
 700     void updateZoomLevel(int oldZoomLevel);
 701
 702     /**
 703      * Returns a list of URLs for all selected items. The list is
 704      * simplified, so that when the URLs are part of different tree
 705      * levels, only the parent is returned.
 706      */
 707     KUrl::List simplifiedSelectedUrls() const;
 708
 709     /**
 710      * Returns the MIME data for all selected items.
 711      */
 712     QMimeData* selectionMimeData() const;
 713
 714     /**
 715      * Is invoked after a paste operation or a drag & drop
 716      * operation and adds the filenames of all URLs from \a mimeData to
 717      * m_newFileNames. This allows to select all newly added
 718      * items in slotDirListerCompleted().
 719      */
 720     void addNewFileNames(const QMimeData* mimeData);
 721
 722 private:
 723     /**
 724      * Abstracts the access to the different view implementations
 725      * for icons-, details- and column-view.
 726      */
 727     class ViewAccessor
 728     {
 729     public:
 730         ViewAccessor(DolphinSortFilterProxyModel* proxyModel);
 731         ~ViewAccessor();
 732
 733         void createView(QWidget* parent,
 734                         DolphinViewController* dolphinViewController,
 735                         const ViewModeController* viewModeController,
 736                         Mode mode);
 737         void deleteView();
 738
 739         /**
 740          * Must be invoked before the URL has been changed and allows view implementations
 741          * like the column view to create a new column.
 742          */
 743         void prepareUrlChange(const KUrl& url);
 744
 745         QAbstractItemView* itemView() const;
 746         KFileItemDelegate* itemDelegate() const;
 747
 748         /**
 749          * Returns the widget that should be added to the layout as target. Usually
 750          * the item view itself is returned, but in the case of the column view
 751          * a container widget is returned.
 752          */
 753         QWidget* layoutTarget() const;
 754
 755         KUrl rootUrl() const;
 756
 757         bool supportsCategorizedSorting() const;
 758         bool itemsExpandable() const;
 759         QSet<KUrl> expandedUrls() const;
 760         const DolphinDetailsViewExpander* setExpandedUrls(const QSet<KUrl>& urlsToExpand);
 761
 762         /**
 763          * Returns true, if a reloading of the items is required
 764          * when the additional information properties have been changed
 765          * by the user.
 766          */
 767         bool reloadOnAdditionalInfoChange() const;
 768
 769         DolphinModel* dirModel() const;
 770         DolphinSortFilterProxyModel* proxyModel() const;
 771         KDirLister* dirLister() const;
 772
 773     private:
 774         DolphinIconsView* m_iconsView;
 775         DolphinDetailsView* m_detailsView;
 776         DolphinColumnViewContainer* m_columnsContainer;
 777         DolphinSortFilterProxyModel* m_proxyModel;
 778         QAbstractItemView* m_dragSource;
 779         QPointer<DolphinDetailsViewExpander> m_detailsViewExpander;
 780     };
 781
 782     bool m_active : 1;
 783     bool m_showPreview : 1;
 784     bool m_storedCategorizedSorting : 1;
 785     bool m_tabsForFiles : 1;
 786     bool m_isContextMenuOpen : 1;   // TODO: workaround for Qt-issue 207192
 787     bool m_assureVisibleCurrentIndex : 1;
 788     bool m_expanderActive : 1;
 789
 790     Mode m_mode;
 791
 792     QVBoxLayout* m_topLayout;
 793
 794     DolphinViewController* m_dolphinViewController;
 795     ViewModeController* m_viewModeController;
 796     ViewAccessor m_viewAccessor;
 797
 798     QTimer* m_selectionChangedTimer;
 799
 800     KUrl m_rootUrl;
 801     KUrl m_activeItemUrl;
 802     QPoint m_restoredContentsPosition;
 803     KUrl m_createdItemUrl; // URL for a new item that got created by the "Create New..." menu
 804     KFileItemList m_selectedItems; // this is used for making the View to remember selections after F5
 805
 806     /**
 807      * Remembers the filenames that have been added by a paste operation
 808      * or a drag & drop operation. Allows to select the items in
 809      * slotDirListerCompleted().
 810      */
 811     QSet<QString> m_newFileNames;
 812 };
 813
 814 /// Allow using DolphinView::Mode in QVariant
 815 Q_DECLARE_METATYPE(DolphinView::Mode)
 816
 817 #endif // DOLPHINVIEW_H