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         SortByDestination,
 117         SortByPath,
 118         MaxSortingEnum = SortByPath
 119     };
 120
 121     /**
 122      * @param parent           Parent widget of the view.
 123      * @param url              Specifies the content which should be shown.
 124      * @param proxyModel       Used proxy model which specifies the sorting. The
 125      *                         model is not owned by the view and won't get
 126      *                         deleted.
 127      */
 128     DolphinView(QWidget* parent,
 129                 const KUrl& url,
 130                 DolphinSortFilterProxyModel* proxyModel);
 131
 132     virtual ~DolphinView();
 133
 134     /**
 135      * Returns the current active URL, where all actions are applied.
 136      * The URL navigator is synchronized with this URL.
 137      */
 138     KUrl url() const;
 139
 140     /**
 141      * Returns the root URL of the view, which is defined as the first
 142      * visible path of DolphinView::url(). Usually the root URL is
 143      * equal to DolphinView::url(), but in the case of the column view
 144      * when 2 columns are shown, the root URL might be:
 145      * /home/peter/Documents
 146      * and DolphinView::url() might return
 147      * /home/peter/Documents/Music/
 148      */
 149     KUrl rootUrl() const;
 150
 151     /**
 152      * If \a active is true, the view will marked as active. The active
 153      * view is defined as view where all actions are applied to.
 154      */
 155     void setActive(bool active);
 156     bool isActive() const;
 157
 158     /**
 159      * Changes the view mode for the current directory to \a mode.
 160      * If the view properties should be remembered for each directory
 161      * (GeneralSettings::globalViewProps() returns false), then the
 162      * changed view mode will be stored automatically.
 163      */
 164     void setMode(Mode mode);
 165     Mode mode() const;
 166
 167     /** See setShowPreview */
 168     bool showPreview() const;
 169
 170     /** See setShowHiddenFiles */
 171     bool showHiddenFiles() const;
 172
 173     /** See setCategorizedSorting */
 174     bool categorizedSorting() const;
 175
 176     /**
 177      * Returns true, if the categorized sorting is supported by the current
 178      * used mode (see DolphinView::setMode()). Currently only DolphinView::IconsView
 179      * supports categorizations. To check whether the categorized
 180      * sorting is set, use DolphinView::categorizedSorting().
 181      */
 182     bool supportsCategorizedSorting() const;
 183
 184     /**
 185      * Marks the items indicated by \p urls to get selected after the
 186      * directory DolphinView::url() has been loaded. Note that nothing
 187      * gets selected if no loading of a directory has been triggered
 188      * by DolphinView::setUrl() or DolphinView::reload().
 189      */
 190     void markUrlsAsSelected(const QList<KUrl>& urls);
 191
 192     /**
 193      * Returns the selected items. The list is empty if no item has been
 194      * selected.
 195      * @see DolphinView::selectedUrls()
 196      */
 197     KFileItemList selectedItems() const;
 198
 199     /**
 200      * Returns a list of URLs for all selected items. An empty list
 201      * is returned, if no item is selected.
 202      * @see DolphinView::selectedItems()
 203      */
 204     KUrl::List selectedUrls() const;
 205
 206     /**
 207      * Returns the number of selected items (this is faster than
 208      * invoking selectedItems().count()).
 209      */
 210     int selectedItemsCount() const;
 211
 212     QItemSelectionModel* selectionModel() const;
 213
 214     /**
 215      * Sets the zoom level to \a level. It is assured that the used
 216      * level is adjusted to be inside the range ZoomLevelInfo::minimumLevel() and
 217      * ZoomLevelInfo::maximumLevel().
 218      */
 219     void setZoomLevel(int level);
 220     int zoomLevel() const;
 221
 222     /**
 223      * Returns true, if zooming in is possible. If false is returned,
 224      * the maximum zooming level has been reached.
 225      */
 226     bool isZoomInPossible() const;
 227
 228     /**
 229      * Returns true, if zooming out is possible. If false is returned,
 230      * the minimum zooming level has been reached.
 231      */
 232     bool isZoomOutPossible() const;
 233
 234     /** Sets the sort order of the items inside a directory (see DolphinView::Sorting). */
 235     void setSorting(Sorting sorting);
 236
 237     /** Returns the sort order of the items inside a directory (see DolphinView::Sorting). */
 238     Sorting sorting() const;
 239
 240     /** Sets the sort order (Qt::Ascending or Qt::Descending) for the items. */
 241     void setSortOrder(Qt::SortOrder order);
 242
 243     /** Returns the current used sort order (Qt::Ascending or Qt::Descending). */
 244     Qt::SortOrder sortOrder() const;
 245
 246     /** Sets a separate sorting with folders first (true) or a mixed sorting of files and folders (false). */
 247     void setSortFoldersFirst(bool foldersFirst);
 248
 249     /** Returns if files and folders are sorted separately or not. */
 250     bool sortFoldersFirst() const;
 251
 252     /** Sets the additional information which should be shown for the items. */
 253     void setAdditionalInfo(KFileItemDelegate::InformationList info);
 254
 255     /** Returns the additional information which should be shown for the items. */
 256     KFileItemDelegate::InformationList additionalInfo() const;
 257
 258     /** Reloads the current directory. */
 259     void reload();
 260
 261     /**
 262      * Refreshes the view to get synchronized with the (updated) Dolphin settings.
 263      * This method only needs to get invoked if the view settings for the Icons View,
 264      * Details View or Columns View have been changed.
 265      */
 266     void refresh();
 267
 268     /**
 269      * Filters the currently shown items by \a nameFilter. All items
 270      * which contain the given filter string will be shown.
 271      */
 272     void setNameFilter(const QString& nameFilter);
 273
 274     /**
 275      * Calculates the number of currently shown files into
 276      * \a fileCount and the number of folders into \a folderCount.
 277      * The size of all files is written into \a totalFileSize.
 278      * It is recommend using this method instead of asking the
 279      * directory lister or the model directly, as it takes
 280      * filtering and hierarchical previews into account.
 281      */
 282     void calculateItemCount(int& fileCount, int& folderCount, KIO::filesize_t& totalFileSize) const;
 283
 284     /**
 285      * Returns a textual representation of the state of the current
 286      * folder or selected items, suitable for use in the status bar.
 287      */
 288     QString statusBarText() const;
 289
 290     /**
 291      * Returns the version control actions that are provided for the items \p items.
 292      * Usually the actions are presented in the context menu.
 293      */
 294     QList<QAction*> versionControlActions(const KFileItemList& items) const;
 295
 296     /**
 297      * Updates the state of the 'Additional Information' actions in \a collection.
 298      */
 299     void updateAdditionalInfoActions(KActionCollection* collection);
 300
 301     /**
 302      * Returns the state of the paste action:
 303      * first is whether the action should be enabled
 304      * second is the text for the action
 305      */
 306     QPair<bool, QString> pasteInfo() const;
 307
 308     /**
 309      * If \a tabsForFiles is true, the signal tabRequested() will also
 310      * emitted also for files. Per default tabs for files is disabled
 311      * and hence the signal tabRequested() will only be emitted for
 312      * directories.
 313      */
 314     void setTabsForFilesEnabled(bool tabsForFiles);
 315     bool isTabsForFilesEnabled() const;
 316
 317     /**
 318      * Returns true if the current view allows folders to be expanded,
 319      * i.e. presents a hierarchical view to the user.
 320      */
 321     bool itemsExpandable() const;
 322
 323     /**
 324      * Restores the view state (current item, contents position, details view expansion state)
 325      */
 326     void restoreState(QDataStream& stream);
 327
 328     /**
 329      * Saves the view state (current item, contents position, details view expansion state)
 330      */
 331     void saveState(QDataStream& stream);
 332
 333 public slots:
 334     /**
 335      * Changes the directory to \a url. If the current directory is equal to
 336      * \a url, nothing will be done (use DolphinView::reload() instead).
 337      */
 338     void setUrl(const KUrl& url);
 339
 340     /**
 341      * Selects all items.
 342      * @see DolphinView::selectedItems()
 343      */
 344     void selectAll();
 345
 346     /**
 347      * Inverts the current selection: selected items get unselected,
 348      * unselected items get selected.
 349      * @see DolphinView::selectedItems()
 350      */
 351     void invertSelection();
 352
 353     /** Returns true, if at least one item is selected. */
 354     bool hasSelection() const;
 355
 356     void clearSelection();
 357
 358     /**
 359      * Triggers the renaming of the currently selected items, where
 360      * the user must input a new name for the items.
 361      */
 362     void renameSelectedItems();
 363
 364     /**
 365      * Moves all selected items to the trash.
 366      */
 367     void trashSelectedItems();
 368
 369     /**
 370      * Deletes all selected items.
 371      */
 372     void deleteSelectedItems();
 373
 374     /**
 375      * Copies all selected items to the clipboard and marks
 376      * the items as cut.
 377      */
 378     void cutSelectedItems();
 379
 380     /** Copies all selected items to the clipboard. */
 381     void copySelectedItems();
 382
 383     /** Pastes the clipboard data to this view. */
 384     void paste();
 385
 386     /**
 387      * Pastes the clipboard data into the currently selected
 388      * folder. If the current selection is not exactly one folder, no
 389      * paste operation is done.
 390      */
 391     void pasteIntoFolder();
 392
 393     /**
 394      * Turns on the file preview for the all files of the current directory,
 395      * if \a show is true.
 396      * If the view properties should be remembered for each directory
 397      * (GeneralSettings::globalViewProps() returns false), then the
 398      * preview setting will be stored automatically.
 399      */
 400     void setShowPreview(bool show);
 401
 402     /**
 403      * Shows all hidden files of the current directory,
 404      * if \a show is true.
 405      * If the view properties should be remembered for each directory
 406      * (GeneralSettings::globalViewProps() returns false), then the
 407      * show hidden file setting will be stored automatically.
 408      */
 409     void setShowHiddenFiles(bool show);
 410
 411     /**
 412      * Summarizes all sorted items by their category \a categorized
 413      * is true.
 414      * If the view properties should be remembered for each directory
 415      * (GeneralSettings::globalViewProps() returns false), then the
 416      * categorized sorting setting will be stored automatically.
 417      */
 418     void setCategorizedSorting(bool categorized);
 419
 420     /** Switches between an ascending and descending sorting order. */
 421     void toggleSortOrder();
 422
 423     /** Switches between a separate sorting (with folders first) and a mixed sorting of files and folders. */
 424     void toggleSortFoldersFirst();
 425
 426     /**
 427      * Switches on or off the displaying of additional information
 428      * as specified by \a action.
 429      */
 430     void toggleAdditionalInfo(QAction* action);
 431
 432 signals:
 433     /**
 434      * Is emitted if the view has been activated by e. g. a mouse click.
 435      */
 436     void activated();
 437
 438     /** Is emitted if URL of the view has been changed to \a url. */
 439     void urlChanged(const KUrl& url);
 440
 441     /**
 442      * Is emitted when clicking on an item with the left mouse button.
 443      */
 444     void itemTriggered(const KFileItem& item);
 445
 446     /**
 447      * Is emitted if a new tab should be opened for the URL \a url.
 448      */
 449     void tabRequested(const KUrl& url);
 450
 451     /**
 452      * Is emitted if the view mode (IconsView, DetailsView,
 453      * PreviewsView) has been changed.
 454      */
 455     void modeChanged();
 456
 457     /** Is emitted if the 'show preview' property has been changed. */
 458     void showPreviewChanged();
 459
 460     /** Is emitted if the 'show hidden files' property has been changed. */
 461     void showHiddenFilesChanged();
 462
 463     /** Is emitted if the 'categorized sorting' property has been changed. */
 464     void categorizedSortingChanged();
 465
 466     /** Is emitted if the sorting by name, size or date has been changed. */
 467     void sortingChanged(DolphinView::Sorting sorting);
 468
 469     /** Is emitted if the sort order (ascending or descending) has been changed. */
 470     void sortOrderChanged(Qt::SortOrder order);
 471
 472     /** Is emitted if the sorting of files and folders (separate with folders first or mixed) has been changed. */
 473     void sortFoldersFirstChanged(bool foldersFirst);
 474
 475     /** Is emitted if the additional information shown for this view has been changed. */
 476     void additionalInfoChanged();
 477
 478     /** Is emitted if the zoom level has been changed by zooming in or out. */
 479     void zoomLevelChanged(int level);
 480
 481     /**
 482      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 483      * If item is null, no item information request is pending.
 484      */
 485     void requestItemInfo(const KFileItem& item);
 486
 487     /**
 488      * Is emitted whenever the selection has been changed.
 489      */
 490     void selectionChanged(const KFileItemList& selection);
 491
 492     /**
 493      * Is emitted if a context menu is requested for the item \a item,
 494      * which is part of \a url. If the item is null, the context menu
 495      * for the URL should be shown and the custom actions \a customActions
 496      * will be added.
 497      */
 498     void requestContextMenu(const KFileItem& item,
 499                             const KUrl& url,
 500                             const QList<QAction*>& customActions);
 501
 502     /**
 503      * Is emitted if an information message with the content \a msg
 504      * should be shown.
 505      */
 506     void infoMessage(const QString& msg);
 507
 508     /**
 509      * Is emitted if an error message with the content \a msg
 510      * should be shown.
 511      */
 512     void errorMessage(const QString& msg);
 513
 514     /**
 515      * Is emitted if an "operation completed" message with the content \a msg
 516      * should be shown.
 517      */
 518     void operationCompletedMessage(const QString& msg);
 519
 520     /**
 521      * Is emitted after DolphinView::setUrl() has been invoked and
 522      * the path \a url is currently loaded. If this signal is emitted,
 523      * it is assured that the view contains already the correct root
 524      * URL and property settings.
 525      */
 526     void startedPathLoading(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_ignoreViewProperties : 1;
 788     bool m_assureVisibleCurrentIndex : 1;
 789     bool m_expanderActive : 1;
 790
 791     Mode m_mode;
 792
 793     QVBoxLayout* m_topLayout;
 794
 795     DolphinViewController* m_dolphinViewController;
 796     ViewModeController* m_viewModeController;
 797     ViewAccessor m_viewAccessor;
 798
 799     QItemSelectionModel* m_selectionModel; // allow to switch views without losing the selection
 800     QTimer* m_selectionChangedTimer;
 801
 802     KUrl m_rootUrl;
 803     KUrl m_activeItemUrl;
 804     QPoint m_restoredContentsPosition;
 805     KUrl m_createdItemUrl; // URL for a new item that got created by the "Create New..." menu
 806     KFileItemList m_selectedItems; // this is used for making the View to remember selections after F5
 807
 808     /**
 809      * Remembers the filenames that have been added by a paste operation
 810      * or a drag & drop operation. Allows to select the items in
 811      * slotDirListerCompleted().
 812      */
 813     QSet<QString> m_newFileNames;
 814 };
 815
 816 /// Allow using DolphinView::Mode in QVariant
 817 Q_DECLARE_METATYPE(DolphinView::Mode)
 818
 819 #endif // DOLPHINVIEW_H