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 DolphinDetailsViewExpander;
  47 class DolphinIconsView;
  48 class DolphinModel;
  49 class DolphinSortFilterProxyModel;
  50 class DolphinViewController;
  51 class KAction;
  52 class KActionCollection;
  53 class KDirLister;
  54 class KUrl;
  55 class ViewModeController;
  56 class ViewProperties;
  57 class QRegExp;
  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      * Returns the items of the view.
 186      */
 187     KFileItemList items() const;
 188
 189     /**
 190      * Returns the selected items. The list is empty if no item has been
 191      * selected.
 192      * @see DolphinView::selectedUrls()
 193      */
 194     KFileItemList selectedItems() const;
 195
 196     /**
 197      * Returns the number of selected items (this is faster than
 198      * invoking selectedItems().count()).
 199      */
 200     int selectedItemsCount() const;
 201
 202     /**
 203      * Marks the items indicated by \p urls to get selected after the
 204      * directory DolphinView::url() has been loaded. Note that nothing
 205      * gets selected if no loading of a directory has been triggered
 206      * by DolphinView::setUrl() or DolphinView::reload().
 207      */
 208     void markUrlsAsSelected(const QList<KUrl>& urls);
 209
 210     /**
 211      * All items that match to the pattern \a pattern will get selected
 212      * if \a enabled is true and deselected if  \a enabled is false.
 213      */
 214     void setItemSelectionEnabled(const QRegExp& pattern, bool enabled);
 215
 216     /**
 217      * Sets the zoom level to \a level. It is assured that the used
 218      * level is adjusted to be inside the range ZoomLevelInfo::minimumLevel() and
 219      * ZoomLevelInfo::maximumLevel().
 220      */
 221     void setZoomLevel(int level);
 222     int zoomLevel() const;
 223
 224     /**
 225      * Returns true, if zooming in is possible. If false is returned,
 226      * the maximum zooming level has been reached.
 227      */
 228     bool isZoomInPossible() const;
 229
 230     /**
 231      * Returns true, if zooming out is possible. If false is returned,
 232      * the minimum zooming level has been reached.
 233      */
 234     bool isZoomOutPossible() const;
 235
 236     /** Sets the sort order of the items inside a directory (see DolphinView::Sorting). */
 237     void setSorting(Sorting sorting);
 238
 239     /** Returns the sort order of the items inside a directory (see DolphinView::Sorting). */
 240     Sorting sorting() const;
 241
 242     /** Sets the sort order (Qt::Ascending or Qt::Descending) for the items. */
 243     void setSortOrder(Qt::SortOrder order);
 244
 245     /** Returns the current used sort order (Qt::Ascending or Qt::Descending). */
 246     Qt::SortOrder sortOrder() const;
 247
 248     /** Sets a separate sorting with folders first (true) or a mixed sorting of files and folders (false). */
 249     void setSortFoldersFirst(bool foldersFirst);
 250
 251     /** Returns if files and folders are sorted separately or not. */
 252     bool sortFoldersFirst() const;
 253
 254     /** Sets the additional information which should be shown for the items. */
 255     void setAdditionalInfo(KFileItemDelegate::InformationList info);
 256
 257     /** Returns the additional information which should be shown for the items. */
 258     KFileItemDelegate::InformationList additionalInfo() const;
 259
 260     /** Reloads the current directory. */
 261     void reload();
 262
 263     void stopLoading();
 264
 265     /**
 266      * Refreshes the view to get synchronized with the (updated) Dolphin settings.
 267      * This method only needs to get invoked if the view settings for the Icons View,
 268      * Details View or Columns View have been changed.
 269      */
 270     void refresh();
 271
 272     /**
 273      * Filters the currently shown items by \a nameFilter. All items
 274      * which contain the given filter string will be shown.
 275      */
 276     void setNameFilter(const QString& nameFilter);
 277
 278     /**
 279      * Calculates the number of currently shown files into
 280      * \a fileCount and the number of folders into \a folderCount.
 281      * The size of all files is written into \a totalFileSize.
 282      * It is recommend using this method instead of asking the
 283      * directory lister or the model directly, as it takes
 284      * filtering and hierarchical previews into account.
 285      */
 286     void calculateItemCount(int& fileCount, int& folderCount, KIO::filesize_t& totalFileSize) const;
 287
 288     /**
 289      * Returns a textual representation of the state of the current
 290      * folder or selected items, suitable for use in the status bar.
 291      */
 292     QString statusBarText() const;
 293
 294     /**
 295      * Returns the version control actions that are provided for the items \p items.
 296      * Usually the actions are presented in the context menu.
 297      */
 298     QList<QAction*> versionControlActions(const KFileItemList& items) const;
 299
 300     /**
 301      * Updates the state of the 'Additional Information' actions in \a collection.
 302      */
 303     void updateAdditionalInfoActions(KActionCollection* collection);
 304
 305     /**
 306      * Returns the state of the paste action:
 307      * first is whether the action should be enabled
 308      * second is the text for the action
 309      */
 310     QPair<bool, QString> pasteInfo() const;
 311
 312     /**
 313      * If \a tabsForFiles is true, the signal tabRequested() will also
 314      * emitted also for files. Per default tabs for files is disabled
 315      * and hence the signal tabRequested() will only be emitted for
 316      * directories.
 317      */
 318     void setTabsForFilesEnabled(bool tabsForFiles);
 319     bool isTabsForFilesEnabled() const;
 320
 321     /**
 322      * Returns true if the current view allows folders to be expanded,
 323      * i.e. presents a hierarchical view to the user.
 324      */
 325     bool itemsExpandable() const;
 326
 327     /**
 328      * Restores the view state (current item, contents position, details view expansion state)
 329      */
 330     void restoreState(QDataStream& stream);
 331
 332     /**
 333      * Saves the view state (current item, contents position, details view expansion state)
 334      */
 335     void saveState(QDataStream& stream);
 336
 337     /** Returns true, if at least one item is selected. */
 338     bool hasSelection() const;
 339
 340 public slots:
 341     /**
 342      * Changes the directory to \a url. If the current directory is equal to
 343      * \a url, nothing will be done (use DolphinView::reload() instead).
 344      */
 345     void setUrl(const KUrl& url);
 346
 347     /**
 348      * Selects all items.
 349      * @see DolphinView::selectedItems()
 350      */
 351     void selectAll();
 352
 353     /**
 354      * Inverts the current selection: selected items get unselected,
 355      * unselected items get selected.
 356      * @see DolphinView::selectedItems()
 357      */
 358     void invertSelection();
 359
 360     void clearSelection();
 361
 362     /**
 363      * Triggers the renaming of the currently selected items, where
 364      * the user must input a new name for the items.
 365      */
 366     void renameSelectedItems();
 367
 368     /**
 369      * Moves all selected items to the trash.
 370      */
 371     void trashSelectedItems();
 372
 373     /**
 374      * Deletes all selected items.
 375      */
 376     void deleteSelectedItems();
 377
 378     /**
 379      * Copies all selected items to the clipboard and marks
 380      * the items as cut.
 381      */
 382     void cutSelectedItems();
 383
 384     /** Copies all selected items to the clipboard. */
 385     void copySelectedItems();
 386
 387     /** Pastes the clipboard data to this view. */
 388     void paste();
 389
 390     /**
 391      * Pastes the clipboard data into the currently selected
 392      * folder. If the current selection is not exactly one folder, no
 393      * paste operation is done.
 394      */
 395     void pasteIntoFolder();
 396
 397     /**
 398      * Turns on the file preview for the all files of the current directory,
 399      * if \a show is true.
 400      * If the view properties should be remembered for each directory
 401      * (GeneralSettings::globalViewProps() returns false), then the
 402      * preview setting will be stored automatically.
 403      */
 404     void setShowPreview(bool show);
 405
 406     /**
 407      * Shows all hidden files of the current directory,
 408      * if \a show is true.
 409      * If the view properties should be remembered for each directory
 410      * (GeneralSettings::globalViewProps() returns false), then the
 411      * show hidden file setting will be stored automatically.
 412      */
 413     void setShowHiddenFiles(bool show);
 414
 415     /**
 416      * Summarizes all sorted items by their category \a categorized
 417      * is true.
 418      * If the view properties should be remembered for each directory
 419      * (GeneralSettings::globalViewProps() returns false), then the
 420      * categorized sorting setting will be stored automatically.
 421      */
 422     void setCategorizedSorting(bool categorized);
 423
 424 signals:
 425     /**
 426      * Is emitted if the view has been activated by e. g. a mouse click.
 427      */
 428     void activated();
 429
 430     /** Is emitted if URL of the view has been changed to \a url. */
 431     void urlChanged(const KUrl& url);
 432
 433     /**
 434      * Is emitted when clicking on an item with the left mouse button.
 435      */
 436     void itemTriggered(const KFileItem& item);
 437
 438     /**
 439      * Is emitted if a new tab should be opened for the URL \a url.
 440      */
 441     void tabRequested(const KUrl& url);
 442
 443     /**
 444      * Is emitted if the view mode (IconsView, DetailsView,
 445      * PreviewsView) has been changed.
 446      */
 447     void modeChanged();
 448
 449     /** Is emitted if the 'show preview' property has been changed. */
 450     void showPreviewChanged();
 451
 452     /** Is emitted if the 'show hidden files' property has been changed. */
 453     void showHiddenFilesChanged();
 454
 455     /** Is emitted if the 'categorized sorting' property has been changed. */
 456     void categorizedSortingChanged();
 457
 458     /** Is emitted if the sorting by name, size or date has been changed. */
 459     void sortingChanged(DolphinView::Sorting sorting);
 460
 461     /** Is emitted if the sort order (ascending or descending) has been changed. */
 462     void sortOrderChanged(Qt::SortOrder order);
 463
 464     /** Is emitted if the sorting of files and folders (separate with folders first or mixed) has been changed. */
 465     void sortFoldersFirstChanged(bool foldersFirst);
 466
 467     /** Is emitted if the additional information shown for this view has been changed. */
 468     void additionalInfoChanged();
 469
 470     /** Is emitted if the zoom level has been changed by zooming in or out. */
 471     void zoomLevelChanged(int level);
 472
 473     /**
 474      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 475      * If item is null, no item information request is pending.
 476      */
 477     void requestItemInfo(const KFileItem& item);
 478
 479     /**
 480      * Is emitted whenever the selection has been changed.
 481      */
 482     void selectionChanged(const KFileItemList& selection);
 483
 484     /**
 485      * Is emitted if a context menu is requested for the item \a item,
 486      * which is part of \a url. If the item is null, the context menu
 487      * for the URL should be shown and the custom actions \a customActions
 488      * will be added.
 489      */
 490     void requestContextMenu(const KFileItem& item,
 491                             const KUrl& url,
 492                             const QList<QAction*>& customActions);
 493
 494     /**
 495      * Is emitted if an information message with the content \a msg
 496      * should be shown.
 497      */
 498     void infoMessage(const QString& msg);
 499
 500     /**
 501      * Is emitted if an error message with the content \a msg
 502      * should be shown.
 503      */
 504     void errorMessage(const QString& msg);
 505
 506     /**
 507      * Is emitted if an "operation completed" message with the content \a msg
 508      * should be shown.
 509      */
 510     void operationCompletedMessage(const QString& msg);
 511
 512     /**
 513      * Is emitted after DolphinView::setUrl() has been invoked and
 514      * the path \a url is currently loaded. If this signal is emitted,
 515      * it is assured that the view contains already the correct root
 516      * URL and property settings.
 517      */
 518     void startedPathLoading(const KUrl& url);
 519
 520     /**
 521      * Is emitted after the path triggered by DolphinView::setUrl()
 522      * has been loaded.
 523      */
 524     void finishedPathLoading(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     /**
 721      * Helper method for DolphinView::setItemSelectionEnabled(): Returns the selection for
 722      * all items of \p parent that match with the regular expression defined by \p pattern.
 723      */
 724     QItemSelection childrenMatchingPattern(const QModelIndex& parent, const QRegExp& pattern) const;
 725
 726     void connectViewAccessor();
 727     void disconnectViewAccessor();
 728
 729 private:
 730     /**
 731      * Abstracts the access to the different view implementations
 732      * for icons-, details- and column-view.
 733      */
 734     class ViewAccessor
 735     {
 736     public:
 737         ViewAccessor(DolphinSortFilterProxyModel* proxyModel);
 738         ~ViewAccessor();
 739
 740         void createView(QWidget* parent,
 741                         DolphinViewController* dolphinViewController,
 742                         const ViewModeController* viewModeController,
 743                         Mode mode);
 744         void deleteView();
 745
 746         /**
 747          * Must be invoked before the URL has been changed and allows view implementations
 748          * like the column view to create a new column.
 749          */
 750         void prepareUrlChange(const KUrl& url);
 751
 752         QAbstractItemView* itemView() const;
 753         KFileItemDelegate* itemDelegate() const;
 754
 755         /**
 756          * Returns the widget that should be added to the layout as target. Usually
 757          * the item view itself is returned, but in the case of the column view
 758          * a container widget is returned.
 759          */
 760         QWidget* layoutTarget() const;
 761
 762         void setRootUrl(const KUrl& rootUrl);
 763         KUrl rootUrl() const;
 764
 765         bool supportsCategorizedSorting() const;
 766         bool itemsExpandable() const;
 767         QSet<KUrl> expandedUrls() const;
 768         const DolphinDetailsViewExpander* setExpandedUrls(const QSet<KUrl>& urlsToExpand);
 769
 770         /**
 771          * Returns true, if a reloading of the items is required
 772          * when the additional information properties have been changed
 773          * by the user.
 774          */
 775         bool reloadOnAdditionalInfoChange() const;
 776
 777         DolphinModel* dirModel() const;
 778         DolphinSortFilterProxyModel* proxyModel() const;
 779         KDirLister* dirLister() const;
 780
 781     private:
 782         KUrl m_rootUrl;
 783         DolphinIconsView* m_iconsView;
 784         DolphinDetailsView* m_detailsView;
 785         DolphinColumnViewContainer* m_columnsContainer;
 786         DolphinSortFilterProxyModel* m_proxyModel;
 787         QAbstractItemView* m_dragSource;
 788         QPointer<DolphinDetailsViewExpander> m_detailsViewExpander;
 789     };
 790
 791     bool m_active : 1;
 792     bool m_showPreview : 1;
 793     bool m_storedCategorizedSorting : 1;
 794     bool m_tabsForFiles : 1;
 795     bool m_isContextMenuOpen : 1;   // TODO: workaround for Qt-issue 207192
 796     bool m_assureVisibleCurrentIndex : 1;
 797     bool m_expanderActive : 1;
 798
 799     Mode m_mode;
 800
 801     QVBoxLayout* m_topLayout;
 802
 803     DolphinViewController* m_dolphinViewController;
 804     ViewModeController* m_viewModeController;
 805     ViewAccessor m_viewAccessor;
 806
 807     QTimer* m_selectionChangedTimer;
 808
 809     KUrl m_activeItemUrl;
 810     QPoint m_restoredContentsPosition;
 811     KUrl m_createdItemUrl; // URL for a new item that got created by the "Create New..." menu
 812     KFileItemList m_selectedItems; // this is used for making the View to remember selections after F5
 813
 814     /**
 815      * Remembers the filenames that have been added by a paste operation
 816      * or a drag & drop operation. Allows to select the items in
 817      * slotDirListerCompleted().
 818      */
 819     QSet<QString> m_newFileNames;
 820
 821     // For unit tests
 822     friend class TestBase;
 823 };
 824
 825 /// Allow using DolphinView::Mode in QVariant
 826 Q_DECLARE_METATYPE(DolphinView::Mode)
 827
 828 #endif // DOLPHINVIEW_H