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