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