src/dolphinview.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 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 DolphinController;
  45 class DolphinColumnView;
  46 class DolphinDetailsView;
  47 class DolphinFileItemDelegate;
  48 class DolphinIconsView;
  49 class DolphinMainWindow;
  50 class DolphinModel;
  51 class DolphinSortFilterProxyModel;
  52 class KFilePreviewGenerator;
  53 class KAction;
  54 class KActionCollection;
  55 class KDirLister;
  56 class KUrl;
  57 class KToggleAction;
  58 class RevisionControlObserver;
  59 class ToolTipManager;
  60 class QModelIndex;
  61 class ViewProperties;
  62
  63 /**
  64  * @short Represents a view for the directory content.
  65  *
  66  * View modes for icons, details and columns are supported. It's
  67  * possible to adjust:
  68  * - sort order
  69  * - sort type
  70  * - show hidden files
  71  * - show previews
  72  *
  73  * @see DolphinIconsView
  74  * @see DolphinDetailsView
  75  * @see DolphinColumnView
  76  */
  77 class LIBDOLPHINPRIVATE_EXPORT DolphinView : public QWidget
  78 {
  79     Q_OBJECT
  80
  81 public:
  82     /**
  83      * Defines the view mode for a directory. The view mode
  84      * can be defined when constructing a DolphinView. The
  85      * view mode is automatically updated if the directory itself
  86      * defines a view mode (see class ViewProperties for details).
  87      */
  88     enum Mode
  89     {
  90         /**
  91          * The directory items are shown as icons including an
  92          * icon name.
  93          */
  94         IconsView = 0,
  95
  96         /**
  97          * The icon, the name and at least the size of the directory
  98          * items are shown in a table. It is possible to add columns
  99          * for date, group and permissions.
 100          */
 101         DetailsView = 1,
 102
 103         /**
 104          * Each folder is shown in a separate column.
 105          */
 106         ColumnView = 2,
 107         MaxModeEnum = ColumnView
 108     };
 109
 110     /** Defines the sort order for the items of a directory. */
 111     enum Sorting
 112     {
 113         SortByName = 0,
 114         SortBySize,
 115         SortByDate,
 116         SortByPermissions,
 117         SortByOwner,
 118         SortByGroup,
 119         SortByType,
 120         SortByRating,
 121         SortByTags,
 122         MaxSortEnum = SortByTags
 123     };
 124
 125     /**
 126      * @param parent           Parent widget of the view.
 127      * @param url              Specifies the content which should be shown.
 128      * @param dirLister        Used directory lister. The lister is not owned
 129      *                         by the view and won't get deleted.
 130      * @param dolphinModel     Used directory model. The model is not owned
 131      *                         by the view and won't get deleted.
 132      * @param proxyModel       Used proxy model which specifies the sorting. The
 133      *                         model is not owned by the view and won't get
 134      *                         deleted.
 135      */
 136     DolphinView(QWidget* parent,
 137                 const KUrl& url,
 138                 KDirLister* dirLister,
 139                 DolphinModel* dolphinModel,
 140                 DolphinSortFilterProxyModel* proxyModel);
 141
 142     virtual ~DolphinView();
 143
 144     /**
 145      * Returns the current active URL, where all actions are applied.
 146      * The URL navigator is synchronized with this URL.
 147      */
 148     const KUrl& url() const;
 149
 150     /**
 151      * Returns the root URL of the view, which is defined as the first
 152      * visible path of DolphinView::url(). Usually the root URL is
 153      * equal to DolphinView::url(), but in the case of the column view
 154      * when 2 columns are shown, the root URL might be:
 155      * /home/peter/Documents
 156      * and DolphinView::url() might return
 157      * /home/peter/Documents/Music/
 158      */
 159     KUrl rootUrl() const;
 160
 161     /**
 162      * If \a active is true, the view will marked as active. The active
 163      * view is defined as view where all actions are applied to.
 164      */
 165     void setActive(bool active);
 166     bool isActive() const;
 167
 168     /**
 169      * Changes the view mode for the current directory to \a mode.
 170      * If the view properties should be remembered for each directory
 171      * (GeneralSettings::globalViewProps() returns false), then the
 172      * changed view mode will be stored automatically.
 173      */
 174     void setMode(Mode mode);
 175     Mode mode() const;
 176
 177     /** See setShowPreview */
 178     bool showPreview() const;
 179
 180     /** See setShowHiddenFiles */
 181     bool showHiddenFiles() const;
 182
 183     /** See setCategorizedSorting */
 184     bool categorizedSorting() const;
 185
 186     /**
 187      * Returns true, if the categorized sorting is supported by the current
 188      * used mode (see DolphinView::setMode()). Currently only DolphinView::IconsView
 189      * supports categorizations. To check whether the categorized
 190      * sorting is set, use DolphinView::categorizedSorting().
 191      */
 192     bool supportsCategorizedSorting() const;
 193
 194     /**
 195      * Selects all items.
 196      * @see DolphinView::selectedItems()
 197      */
 198     void selectAll();
 199
 200     /**
 201      * Inverts the current selection: selected items get unselected,
 202      * unselected items get selected.
 203      * @see DolphinView::selectedItems()
 204      */
 205     void invertSelection();
 206
 207     /** Returns true, if at least one item is selected. */
 208     bool hasSelection() const;
 209
 210     void clearSelection();
 211
 212     /**
 213      * Returns the selected items. The list is empty if no item has been
 214      * selected.
 215      * @see DolphinView::selectedUrls()
 216      */
 217     KFileItemList selectedItems() const;
 218
 219     /**
 220      * Returns a list of URLs for all selected items. An empty list
 221      * is returned, if no item is selected.
 222      * @see DolphinView::selectedItems()
 223      */
 224     KUrl::List selectedUrls() const;
 225
 226     /**
 227      * Returns the number of selected items (this is faster than
 228      * invoking selectedItems().count()).
 229      */
 230     int selectedItemsCount() const;
 231
 232     /**
 233      * Sets the upper left position of the view content
 234      * to (x,y). The content of the view might be larger than the visible area
 235      * and hence a scrolling must be done.
 236      */
 237     void setContentsPosition(int x, int y);
 238
 239     /** Returns the upper left position of the view content. */
 240     QPoint contentsPosition() const;
 241
 242     /**
 243      * Sets the zoom level to \a level. It is assured that the used
 244      * level is adjusted to be inside the range ZoomLevelInfo::minimumLevel() and
 245      * ZoomLevelInfo::maximumLevel().
 246      */
 247     void setZoomLevel(int level);
 248     int zoomLevel() const;
 249
 250     /**
 251      * Returns true, if zooming in is possible. If false is returned,
 252      * the maximum zooming level has been reached.
 253      */
 254     bool isZoomInPossible() const;
 255
 256     /**
 257      * Returns true, if zooming out is possible. If false is returned,
 258      * the minimum zooming level has been reached.
 259      */
 260     bool isZoomOutPossible() const;
 261
 262     /** Sets the sort order of the items inside a directory (see DolphinView::Sorting). */
 263     void setSorting(Sorting sorting);
 264
 265     /** Returns the sort order of the items inside a directory (see DolphinView::Sorting). */
 266     Sorting sorting() const;
 267
 268     /** Sets the sort order (Qt::Ascending or Qt::Descending) for the items. */
 269     void setSortOrder(Qt::SortOrder order);
 270
 271     /** Returns the current used sort order (Qt::Ascending or Qt::Descending). */
 272     Qt::SortOrder sortOrder() const;
 273
 274     /** Sets a separate sorting with folders first (true) or a mixed sorting of files and folders (false). */
 275     void setSortFoldersFirst(bool foldersFirst);
 276
 277     /** Returns if files and folders are sorted separately or not. */
 278     bool sortFoldersFirst() const;
 279
 280     /** Sets the additional information which should be shown for the items. */
 281     void setAdditionalInfo(KFileItemDelegate::InformationList info);
 282
 283     /** Returns the additional information which should be shown for the items. */
 284     KFileItemDelegate::InformationList additionalInfo() const;
 285
 286     /** Reloads the current directory. */
 287     void reload();
 288
 289     /**
 290      * Refreshes the view to get synchronized with the (updated) Dolphin settings.
 291      * This method only needs to get invoked if the view settings for the Icons View,
 292      * Details View or Columns View have been changed.
 293      */
 294     void refresh();
 295
 296     /**
 297      * Changes the directory of the view to \a url. If \a rootUrl is empty, the view
 298      * properties from \a url are used for adjusting the view mode and the other properties.
 299      * If \a rootUrl is not empty, the view properties from the root URL are considered
 300      * instead. Specifying a root URL is only required if a view having a different root URL
 301      * (e. g. the column view) should be restored. Usually using DolphinView::setUrl()
 302      * is enough for changing the current URL.
 303      */
 304     void updateView(const KUrl& url, const KUrl& rootUrl);
 305
 306     /**
 307      * Filters the currently shown items by \a nameFilter. All items
 308      * which contain the given filter string will be shown.
 309      */
 310     void setNameFilter(const QString& nameFilter);
 311
 312     /**
 313      * Calculates the number of currently shown files into
 314      * \a fileCount and the number of folders into \a folderCount.
 315      * The size of all files is written into \a totalFileSize.
 316      * It is recommend using this method instead of asking the
 317      * directory lister or the model directly, as it takes
 318      * filtering and hierarchical previews into account.
 319      */
 320     void calculateItemCount(int& fileCount, int& folderCount, KIO::filesize_t& totalFileSize) const;
 321
 322     /**
 323      * Returns a textual representation of the state of the current
 324      * folder or selected items, suitable for use in the status bar.
 325      */
 326     QString statusBarText() const;
 327
 328     /**
 329      * Returns the revision control actions that are provided for the items \p items.
 330      * Usually the actions are presented in the context menu.
 331      */
 332     QList<QAction*> revisionControlActions(const KFileItemList& items) const;
 333
 334     /**
 335      * Updates the state of the 'Additional Information' actions in \a collection.
 336      */
 337     void updateAdditionalInfoActions(KActionCollection* collection);
 338
 339     /**
 340      * Returns the state of the paste action:
 341      * first is whether the action should be enabled
 342      * second is the text for the action
 343      */
 344     QPair<bool, QString> pasteInfo() const;
 345
 346     /**
 347      * If \a tabsForFiles is true, the signal tabRequested() will also
 348      * emitted also for files. Per default tabs for files is disabled
 349      * and hence the signal tabRequested() will only be emitted for
 350      * directories.
 351      */
 352     void setTabsForFilesEnabled(bool tabsForFiles);
 353     bool isTabsForFilesEnabled() const;
 354
 355     /**
 356      * Marks the item \a url as active item as soon as it has
 357      * been loaded by the directory lister. This is useful mark
 358      * the previously visited directory as active when going
 359      * back in history (the URL is known, but the item is not
 360      * loaded yet).
 361      */
 362     void activateItem(const KUrl& url);
 363
 364     /**
 365      * Returns true if the current view allows folders to be expanded,
 366      * i.e. presents a hierarchical view to the user.
 367      */
 368     bool itemsExpandable() const;
 369
 370 public slots:
 371     /**
 372      * Changes the directory to \a url. If the current directory is equal to
 373      * \a url, nothing will be done (use DolphinView::reload() instead).
 374      */
 375     void setUrl(const KUrl& url);
 376
 377     /**
 378      * Request of a selection change. The view will do its best to accommodate
 379      * the request, but it is not guaranteed that all items in \a selection
 380      * will actually get selected. The view will e.g. not select items which
 381      * are not in the currently displayed folder.
 382      */
 383     void changeSelection(const KFileItemList& selection);
 384
 385     /**
 386      * Triggers the renaming of the currently selected items, where
 387      * the user must input a new name for the items.
 388      */
 389     void renameSelectedItems();
 390
 391     /**
 392      * Moves all selected items to the trash.
 393      */
 394     void trashSelectedItems();
 395
 396     /**
 397      * Deletes all selected items.
 398      */
 399     void deleteSelectedItems();
 400
 401     /**
 402      * Copies all selected items to the clipboard and marks
 403      * the items as cutted.
 404      */
 405     void cutSelectedItems();
 406
 407     /** Copies all selected items to the clipboard. */
 408     void copySelectedItems();
 409
 410     /** Pastes the clipboard data to this view. */
 411     void paste();
 412
 413     /**
 414      * Pastes the clipboard data into the currently selected
 415      * folder. If the current selection is not exactly one folder, no
 416      * paste operation is done.
 417      */
 418     void pasteIntoFolder();
 419
 420     /**
 421      * Turns on the file preview for the all files of the current directory,
 422      * if \a show is true.
 423      * If the view properties should be remembered for each directory
 424      * (GeneralSettings::globalViewProps() returns false), then the
 425      * preview setting will be stored automatically.
 426      */
 427     void setShowPreview(bool show);
 428
 429     /**
 430      * Shows all hidden files of the current directory,
 431      * if \a show is true.
 432      * If the view properties should be remembered for each directory
 433      * (GeneralSettings::globalViewProps() returns false), then the
 434      * show hidden file setting will be stored automatically.
 435      */
 436     void setShowHiddenFiles(bool show);
 437
 438     /**
 439      * Summarizes all sorted items by their category \a categorized
 440      * is true.
 441      * If the view properties should be remembered for each directory
 442      * (GeneralSettings::globalViewProps() returns false), then the
 443      * categorized sorting setting will be stored automatically.
 444      */
 445     void setCategorizedSorting(bool categorized);
 446
 447     /** Switches between an ascending and descending sorting order. */
 448     void toggleSortOrder();
 449
 450     /** Switches between a separate sorting (with folders first) and a mixed sorting of files and folders. */
 451     void toggleSortFoldersFirst();
 452
 453     /**
 454      * Switches on or off the displaying of additional information
 455      * as specified by \a action.
 456      */
 457     void toggleAdditionalInfo(QAction* action);
 458
 459 signals:
 460     /**
 461      * Is emitted if the view has been activated by e. g. a mouse click.
 462      */
 463     void activated();
 464
 465     /** Is emitted if URL of the view has been changed to \a url. */
 466     void urlChanged(const KUrl& url);
 467
 468     /**
 469      * Is emitted if the view requests a changing of the current
 470      * URL to \a url (see DolphinController::triggerUrlChangeRequest()).
 471      */
 472     void requestUrlChange(const KUrl& url);
 473
 474     /**
 475      * Is emitted when clicking on an item with the left mouse button.
 476      */
 477     void itemTriggered(const KFileItem& item);
 478
 479     /**
 480      * Is emitted if a new tab should be opened for the URL \a url.
 481      */
 482     void tabRequested(const KUrl& url);
 483
 484     /**
 485      * Is emitted if the view mode (IconsView, DetailsView,
 486      * PreviewsView) has been changed.
 487      */
 488     void modeChanged();
 489
 490     /** Is emitted if the 'show preview' property has been changed. */
 491     void showPreviewChanged();
 492
 493     /** Is emitted if the 'show hidden files' property has been changed. */
 494     void showHiddenFilesChanged();
 495
 496     /** Is emitted if the 'categorized sorting' property has been changed. */
 497     void categorizedSortingChanged();
 498
 499     /** Is emitted if the sorting by name, size or date has been changed. */
 500     void sortingChanged(DolphinView::Sorting sorting);
 501
 502     /** Is emitted if the sort order (ascending or descending) has been changed. */
 503     void sortOrderChanged(Qt::SortOrder order);
 504
 505     /** Is emitted if the sorting of files and folders (separate with folders first or mixed) has been changed. */
 506     void sortFoldersFirstChanged(bool foldersFirst);
 507
 508     /** Is emitted if the additional information shown for this view has been changed. */
 509     void additionalInfoChanged();
 510
 511     /** Is emitted if the zoom level has been changed by zooming in or out. */
 512     void zoomLevelChanged(int level);
 513
 514     /**
 515      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 516      * If item is null, no item information request is pending.
 517      */
 518     void requestItemInfo(const KFileItem& item);
 519
 520     /** Is emitted if the contents has been moved to \a x, \a y. */
 521     void contentsMoved(int x, int y);
 522
 523     /**
 524      * Is emitted whenever the selection has been changed.
 525      */
 526     void selectionChanged(const KFileItemList& selection);
 527
 528     /**
 529      * Is emitted if a context menu is requested for the item \a item,
 530      * which is part of \a url. If the item is null, the context menu
 531      * for the URL should be shown and the custom actions \a customActions
 532      * will be added.
 533      */
 534     void requestContextMenu(const KFileItem& item,
 535                             const KUrl& url,
 536                             const QList<QAction*>& customActions);
 537
 538     /**
 539      * Is emitted if an information message with the content \a msg
 540      * should be shown.
 541      */
 542     void infoMessage(const QString& msg);
 543
 544     /**
 545      * Is emitted if an error message with the content \a msg
 546      * should be shown.
 547      */
 548     void errorMessage(const QString& msg);
 549
 550     /**
 551      * Is emitted if an "operation completed" message with the content \a msg
 552      * should be shown.
 553      */
 554     void operationCompletedMessage(const QString& msg);
 555
 556     /**
 557      * Is emitted after DolphinView::setUrl() has been invoked and
 558      * the path \a url is currently loaded. If this signal is emitted,
 559      * it is assured that the view contains already the correct root
 560      * URL and property settings.
 561      */
 562     void startedPathLoading(const KUrl& url);
 563
 564     /**
 565      * Emitted when KDirLister emits redirection.
 566      * Testcase: fish://localhost
 567      */
 568     void redirection(const KUrl& oldUrl, const KUrl& newUrl);
 569
 570 protected:
 571     /** @see QWidget::mouseReleaseEvent */
 572     virtual void mouseReleaseEvent(QMouseEvent* event);
 573     virtual void wheelEvent(QWheelEvent* event);
 574     virtual bool eventFilter(QObject* watched, QEvent* event);
 575
 576 private slots:
 577     /**
 578      * Marks the view as active (DolphinView:isActive() will return true)
 579      * and emits the 'activated' signal if it is not already active.
 580      */
 581     void activate();
 582
 583     /**
 584      * If the item \a item is a directory, then this
 585      * directory will be loaded. If the  item is a file, the corresponding
 586      * application will get started.
 587      */
 588     void triggerItem(const KFileItem& index);
 589
 590     /**
 591      * Emits the signal \a selectionChanged() with a small delay. This is
 592      * because getting all file items for the signal can be an expensive
 593      * operation. Fast selection changes are collected in this case and
 594      * the signal is emitted only after no selection change has been done
 595      * within a small delay.
 596      */
 597     void emitDelayedSelectionChangedSignal();
 598
 599     /**
 600      * Is called by emitDelayedSelectionChangedSignal() and emits the
 601      * signal \a selectionChanged() with all selected file items as parameter.
 602      */
 603     void emitSelectionChangedSignal();
 604
 605     /**
 606      * Opens the context menu on position \a pos. The position
 607      * is used to check whether the context menu is related to an
 608      * item or to the viewport.
 609      */
 610     void openContextMenu(const QPoint& pos, const QList<QAction*>& customActions);
 611
 612     /**
 613      * Drops dragged URLs to the destination path \a destPath. If
 614      * the URLs are dropped above an item inside the destination path,
 615      * the item is indicated by \a destItem.
 616      */
 617     void dropUrls(const KFileItem& destItem,
 618                   const KUrl& destPath,
 619                   QDropEvent* event);
 620
 621     /**
 622      * Updates the view properties of the current URL to the
 623      * sorting given by \a sorting.
 624      */
 625     void updateSorting(DolphinView::Sorting sorting);
 626
 627     /**
 628      * Updates the view properties of the current URL to the
 629      * sort order given by \a order.
 630      */
 631     void updateSortOrder(Qt::SortOrder order);
 632
 633     /**
 634      * Updates the view properties of the current URL to the
 635      * sorting of files and folders (separate with folders first or mixed) given by \a foldersFirst.
 636      */
 637     void updateSortFoldersFirst(bool foldersFirst);
 638
 639     /**
 640      * Updates the view properties of the current URL to the
 641      * additional information given by \a info.
 642      */
 643     void updateAdditionalInfo(const KFileItemDelegate::InformationList& info);
 644
 645     /**
 646      * Emits the signal contentsMoved with the current coordinates
 647      * of the viewport as parameters.
 648      */
 649     void emitContentsMoved();
 650
 651     /**
 652      * Updates the status bar to show hover information for the
 653      * item \a item. If currently other items are selected,
 654      * no hover information is shown.
 655      * @see DolphinView::clearHoverInformation()
 656      */
 657     void showHoverInformation(const KFileItem& item);
 658
 659     /**
 660      * Clears the hover information shown in the status bar.
 661      * @see DolphinView::showHoverInformation().
 662      */
 663     void clearHoverInformation();
 664
 665     /**
 666      * Indicates in the status bar that the delete operation
 667      * of the job \a job has been finished.
 668      */
 669     void slotDeleteFileFinished(KJob* job);
 670
 671     /**
 672      * Is emitted if the controller requests a changing of the current
 673      * URL to \a url
 674      */
 675     void slotRequestUrlChange(const KUrl& url);
 676
 677     /**
 678      * Invoked when the directory lister has completed the loading of
 679      * items. Assures that pasted items and renamed items get seleced.
 680      */
 681     void slotDirListerCompleted();
 682
 683     /**
 684      * Is invoked when the KDirLister indicates refreshed items.
 685      */
 686     void slotRefreshItems();
 687
 688     /**
 689      * If \a view can be positively identified as not being the source for the
 690      * current drag operation, deleteLater() it immediately.  Else stores
 691      * it for later deletion.
 692      */
 693     void deleteWhenNotDragSource(QAbstractItemView* view);
 694
 695     /**
 696      * Observes the item with the URL \a url. As soon as the directory
 697      * model indicates that the item is available, the item will
 698      * get selected and it is assure that the item stays visible.
 699      *
 700      * @see selectAndScrollToCreatedItem()
 701      */
 702     void observeCreatedItem(const KUrl& url);
 703
 704     /**
 705      * Selects and scrolls to the item that got observed
 706      * by observeCreatedItem().
 707      */
 708     void selectAndScrollToCreatedItem();
 709
 710     /**
 711      * Restore selection after view refresh.
 712      */
 713     void restoreSelection();
 714
 715 private:
 716     void loadDirectory(const KUrl& url, bool reload = false);
 717
 718     /**
 719      * Returns the URL where the view properties should be stored. Usually
 720      * DolphinView::url() is returned, but in the case of a Column View the
 721      * view properties are always stored in the directory represented by the
 722      * first column. It is recommendend whenever using the ViewProperties class
 723      * to use DolphinView::viewPropertiesUrl() as URL.
 724      */
 725     KUrl viewPropertiesUrl() const;
 726
 727     /**
 728      * Applies the view properties which are defined by the current URL
 729      * m_url to the DolphinView properties.
 730      */
 731     void applyViewProperties(const KUrl& url);
 732
 733     /**
 734      * Creates a new view representing the given view mode (DolphinView::mode()).
 735      * The current view will get deleted.
 736      */
 737     void createView();
 738
 739     void deleteView();
 740
 741     /**
 742      * Returns a pointer to the currently used item view, which is either
 743      * a ListView or a TreeView.
 744      */
 745     QAbstractItemView* itemView() const;
 746
 747     /**
 748      * Helper method for DolphinView::paste() and DolphinView::pasteIntoFolder().
 749      * Pastes the clipboard data into the URL \a url.
 750      */
 751     void pasteToUrl(const KUrl& url);
 752
 753     /**
 754      * Checks whether the current item view has the same zoom level
 755      * as \a oldZoomLevel. If this is not the case, the zoom level
 756      * of the controller is updated and a zoomLevelChanged() signal
 757      * is emitted.
 758      */
 759     void updateZoomLevel(int oldZoomLevel);
 760
 761     /**
 762      * Returns a list of URLs for all selected items. The list is
 763      * simplified, so that when the URLs are part of different tree
 764      * levels, only the parent is returned.
 765      */
 766     KUrl::List simplifiedSelectedUrls() const;
 767
 768     /**
 769      * Returns true, if the ColumnView is activated. As the column view
 770      * requires some special handling for iterating through directories,
 771      * this method has been introduced for convenience.
 772      */
 773     bool isColumnViewActive() const;
 774
 775     /**
 776      * Returns the MIME data for all selected items.
 777      */
 778     QMimeData* selectionMimeData() const;
 779
 780     /**
 781      * Is invoked after a paste operation or a drag & drop
 782      * operation and adds the filenames of all URLs from \a mimeData to
 783      * m_newFileNames. This allows to select all newly added
 784      * items in slotDirListerCompleted().
 785      */
 786     void addNewFileNames(const QMimeData* mimeData);
 787
 788 private:
 789     bool m_active : 1;
 790     bool m_showPreview : 1;
 791     bool m_loadingDirectory : 1;
 792     bool m_storedCategorizedSorting : 1;
 793     bool m_tabsForFiles : 1;
 794     bool m_isContextMenuOpen : 1;   // TODO: workaround for Qt-issue 207192
 795     bool m_ignoreViewProperties : 1;
 796     bool m_assureVisibleCurrentIndex : 1;
 797
 798     Mode m_mode;
 799
 800     DolphinMainWindow* m_mainWindow;
 801     QVBoxLayout* m_topLayout;
 802
 803     DolphinController* m_controller;
 804     DolphinIconsView* m_iconsView;
 805     DolphinDetailsView* m_detailsView;
 806     DolphinColumnView* m_columnView;
 807     DolphinFileItemDelegate* m_fileItemDelegate;
 808
 809     QItemSelectionModel* m_selectionModel;
 810     QTimer* m_selectionChangedTimer;
 811
 812     DolphinModel* m_dolphinModel;
 813     KDirLister* m_dirLister;
 814     DolphinSortFilterProxyModel* m_proxyModel;
 815
 816     KFilePreviewGenerator* m_previewGenerator;
 817     ToolTipManager* m_toolTipManager;
 818
 819     RevisionControlObserver* m_revisionControlObserver;
 820
 821     KUrl m_rootUrl;
 822     KUrl m_activeItemUrl;
 823     KUrl m_createdItemUrl; // URL for a new item that got created by the "Create New..." menu
 824     KFileItemList m_selectedItems; // this is used for making the View to remember selections after F5
 825
 826     /**
 827      * Remembers the filenames that have been added by a paste operation
 828      * or a drag & drop operation. Allows to select the items in
 829      * slotDirListerCompleted().
 830      */
 831     QSet<QString> m_newFileNames;
 832
 833     QAbstractItemView* m_expandedDragSource;
 834 };
 835
 836 inline bool DolphinView::isColumnViewActive() const
 837 {
 838     return m_columnView != 0;
 839 }
 840
 841 /// Allow using DolphinView::Mode in QVariant
 842 Q_DECLARE_METATYPE(DolphinView::Mode)
 843
 844 #endif // DOLPHINVIEW_H