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