src/views/dolphinview.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   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 #ifndef DOLPHINVIEW_H
  22 #define DOLPHINVIEW_H
  23
  24 #include <config-baloo.h>
  25
  26 #include "dolphin_export.h"
  27
  28 #include <kparts/part.h>
  29 #include <KFileItem>
  30 #include <kio/fileundomanager.h>
  31 #include <KIO/Job>
  32 #include <QUrl>
  33 #include <QMimeData>
  34 #include <QWidget>
  35
  36 typedef KIO::FileUndoManager::CommandType CommandType;
  37 class QVBoxLayout;
  38 class DolphinItemListView;
  39 class KFileItemModel;
  40 class KItemListContainer;
  41 class KItemModelBase;
  42 class KItemSet;
  43 class ToolTipManager;
  44 class VersionControlObserver;
  45 class ViewProperties;
  46 class QGraphicsSceneDragDropEvent;
  47 class QRegExp;
  48
  49 /**
  50  * @short Represents a view for the directory content.
  51  *
  52  * View modes for icons, compact and details are supported. It's
  53  * possible to adjust:
  54  * - sort order
  55  * - sort type
  56  * - show hidden files
  57  * - show previews
  58  * - enable grouping
  59  */
  60 class DOLPHIN_EXPORT DolphinView : public QWidget
  61 {
  62     Q_OBJECT
  63
  64 public:
  65     /**
  66      * Defines the view mode for a directory. The
  67      * view mode is automatically updated if the directory itself
  68      * defines a view mode (see class ViewProperties for details).
  69      */
  70     enum Mode
  71     {
  72         /**
  73          * The items are shown as icons with a name-label below.
  74          */
  75         IconsView = 0,
  76
  77         /**
  78          * The icon, the name and the size of the items are
  79          * shown per default as a table.
  80          */
  81         DetailsView,
  82
  83         /**
  84          * The items are shown as icons with the name-label aligned
  85          * to the right side.
  86          */
  87         CompactView
  88     };
  89
  90     /**
  91      * @param url              Specifies the content which should be shown.
  92      * @param parent           Parent widget of the view.
  93      */
  94     DolphinView(const QUrl& url, QWidget* parent);
  95
  96     virtual ~DolphinView();
  97
  98     /**
  99      * Returns the current active URL, where all actions are applied.
 100      * The URL navigator is synchronized with this URL.
 101      */
 102     QUrl url() const;
 103
 104     /**
 105      * If \a active is true, the view will marked as active. The active
 106      * view is defined as view where all actions are applied to.
 107      */
 108     void setActive(bool active);
 109     bool isActive() const;
 110
 111     /**
 112      * Changes the view mode for the current directory to \a mode.
 113      * If the view properties should be remembered for each directory
 114      * (GeneralSettings::globalViewProps() returns false), then the
 115      * changed view mode will be stored automatically.
 116      */
 117     void setMode(Mode mode);
 118     Mode mode() const;
 119
 120     /**
 121      * Turns on the file preview for the all files of the current directory,
 122      * if \a show is true.
 123      * If the view properties should be remembered for each directory
 124      * (GeneralSettings::globalViewProps() returns false), then the
 125      * preview setting will be stored automatically.
 126      */
 127     void setPreviewsShown(bool show);
 128     bool previewsShown() const;
 129
 130     /**
 131      * Shows all hidden files of the current directory,
 132      * if \a show is true.
 133      * If the view properties should be remembered for each directory
 134      * (GeneralSettings::globalViewProps() returns false), then the
 135      * show hidden file setting will be stored automatically.
 136      */
 137     void setHiddenFilesShown(bool show);
 138     bool hiddenFilesShown() const;
 139
 140     /**
 141      * Turns on sorting by groups if \a enable is true.
 142      */
 143     void setGroupedSorting(bool grouped);
 144     bool groupedSorting() const;
 145
 146     /**
 147      * Returns the items of the view.
 148      */
 149     KFileItemList items() const;
 150
 151     /**
 152      * @return The number of items. itemsCount() is faster in comparison
 153      *         to items().count().
 154      */
 155     int itemsCount() const;
 156
 157     /**
 158      * Returns the selected items. The list is empty if no item has been
 159      * selected.
 160      */
 161     KFileItemList selectedItems() const;
 162
 163     /**
 164      * Returns the number of selected items (this is faster than
 165      * invoking selectedItems().count()).
 166      */
 167     int selectedItemsCount() const;
 168
 169     /**
 170      * Marks the items indicated by \p urls to get selected after the
 171      * directory DolphinView::url() has been loaded. Note that nothing
 172      * gets selected if no loading of a directory has been triggered
 173      * by DolphinView::setUrl() or DolphinView::reload().
 174      */
 175     void markUrlsAsSelected(const QList<QUrl> &urls);
 176
 177     /**
 178      * Marks the item indicated by \p url to be scrolled to and as the
 179      * current item after directory DolphinView::url() has been loaded.
 180      */
 181     void markUrlAsCurrent(const QUrl& url);
 182
 183     /**
 184      * All items that match to the pattern \a pattern will get selected
 185      * if \a enabled is true and deselected if  \a enabled is false.
 186      */
 187     void selectItems(const QRegExp& pattern, bool enabled);
 188
 189     /**
 190      * Sets the zoom level to \a level. It is assured that the used
 191      * level is adjusted to be inside the range ZoomLevelInfo::minimumLevel() and
 192      * ZoomLevelInfo::maximumLevel().
 193      */
 194     void setZoomLevel(int level);
 195     int zoomLevel() const;
 196
 197     void setSortRole(const QByteArray& role);
 198     QByteArray sortRole() const;
 199
 200     void setSortOrder(Qt::SortOrder order);
 201     Qt::SortOrder sortOrder() const;
 202
 203     /** Sets a separate sorting with folders first (true) or a mixed sorting of files and folders (false). */
 204     void setSortFoldersFirst(bool foldersFirst);
 205     bool sortFoldersFirst() const;
 206
 207     /** Sets the additional information which should be shown for the items. */
 208     void setVisibleRoles(const QList<QByteArray>& roles);
 209
 210     /** Returns the additional information which should be shown for the items. */
 211     QList<QByteArray> visibleRoles() const;
 212
 213     void reload();
 214
 215     /**
 216      * Refreshes the view to get synchronized with the settings (e.g. icons size,
 217      * font, ...).
 218      */
 219     void readSettings();
 220
 221     /**
 222      * Saves the current settings (e.g. icons size, font, ..).
 223      */
 224     void writeSettings();
 225
 226     /**
 227      * Filters the currently shown items by \a nameFilter. All items
 228      * which contain the given filter string will be shown.
 229      */
 230     void setNameFilter(const QString& nameFilter);
 231     QString nameFilter() const;
 232
 233     /**
 234      * Filters the currently shown items by \a filters. All items
 235      * whose content-type matches those given by the list of filters
 236      * will be shown.
 237      */
 238     void setMimeTypeFilters(const QStringList& filters);
 239     QStringList mimeTypeFilters() const;
 240
 241     /**
 242      * Returns a textual representation of the state of the current
 243      * folder or selected items, suitable for use in the status bar.
 244      */
 245     QString statusBarText() const;
 246
 247     /**
 248      * Returns the version control actions that are provided for the items \p items.
 249      * Usually the actions are presented in the context menu.
 250      */
 251     QList<QAction*> versionControlActions(const KFileItemList& items) const;
 252
 253     /**
 254      * Returns the state of the paste action:
 255      * first is whether the action should be enabled
 256      * second is the text for the action
 257      */
 258     QPair<bool, QString> pasteInfo() const;
 259
 260     /**
 261      * If \a tabsForFiles is true, the signal tabRequested() will also
 262      * emitted also for files. Per default tabs for files is disabled
 263      * and hence the signal tabRequested() will only be emitted for
 264      * directories.
 265      */
 266     void setTabsForFilesEnabled(bool tabsForFiles);
 267     bool isTabsForFilesEnabled() const;
 268
 269     /**
 270      * Returns true if the current view allows folders to be expanded,
 271      * i.e. presents a hierarchical view to the user.
 272      */
 273     bool itemsExpandable() const;
 274
 275     /**
 276      * Restores the view state (current item, contents position, details view expansion state)
 277      */
 278     void restoreState(QDataStream& stream);
 279
 280     /**
 281      * Saves the view state (current item, contents position, details view expansion state)
 282      */
 283     void saveState(QDataStream& stream);
 284
 285     /**
 286      * Returns the root item which represents the current URL.
 287      */
 288     KFileItem rootItem() const;
 289
 290     /**
 291      * Sets a context that is used for remembering the view-properties.
 292      * Per default the context is empty and the path of the currently set URL
 293      * is used for remembering the view-properties. Setting a custom context
 294      * makes sense if specific types of URLs (e.g. search-URLs) should
 295      * share common view-properties.
 296      */
 297     void setViewPropertiesContext(const QString& context);
 298     QString viewPropertiesContext() const;
 299
 300     /**
 301      * Checks if the given \a item can be opened as folder (e.g. archives).
 302      * This function will also adjust the \a url (e.g. change the protocol).
 303      * @return a valid and adjusted url if the item can be opened as folder,
 304      * otherwise return an empty url.
 305      */
 306     static QUrl openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives = true);
 307
 308 public slots:
 309     /**
 310      * Changes the directory to \a url. If the current directory is equal to
 311      * \a url, nothing will be done (use DolphinView::reload() instead).
 312      */
 313     void setUrl(const QUrl& url);
 314
 315     /**
 316      * Selects all items.
 317      * @see DolphinView::selectedItems()
 318      */
 319     void selectAll();
 320
 321     /**
 322      * Inverts the current selection: selected items get unselected,
 323      * unselected items get selected.
 324      * @see DolphinView::selectedItems()
 325      */
 326     void invertSelection();
 327
 328     void clearSelection();
 329
 330     /**
 331      * Triggers the renaming of the currently selected items, where
 332      * the user must input a new name for the items.
 333      */
 334     void renameSelectedItems();
 335
 336     /**
 337      * Moves all selected items to the trash.
 338      */
 339     void trashSelectedItems();
 340
 341     /**
 342      * Deletes all selected items.
 343      */
 344     void deleteSelectedItems();
 345
 346     /**
 347      * Copies all selected items to the clipboard and marks
 348      * the items as cut.
 349      */
 350     void cutSelectedItems();
 351
 352     /** Copies all selected items to the clipboard. */
 353     void copySelectedItems();
 354
 355     /** Pastes the clipboard data to this view. */
 356     void paste();
 357
 358     /**
 359      * Pastes the clipboard data into the currently selected
 360      * folder. If the current selection is not exactly one folder, no
 361      * paste operation is done.
 362      */
 363     void pasteIntoFolder();
 364
 365     /**
 366      * Handles a drop of @p dropEvent onto @p destUrl
 367      */
 368     void dropUrls(const QUrl &destUrl, QDropEvent *dropEvent);
 369
 370     void stopLoading();
 371
 372     /** Activates the view if the item list container gets focus. */
 373     virtual bool eventFilter(QObject* watched, QEvent* event) Q_DECL_OVERRIDE;
 374
 375 signals:
 376     /**
 377      * Is emitted if the view has been activated by e. g. a mouse click.
 378      */
 379     void activated();
 380
 381     /**
 382      * Is emitted if the URL of the view will be changed to \a url.
 383      * After the URL has been changed the signal urlChanged() will
 384      * be emitted.
 385      */
 386     void urlAboutToBeChanged(const QUrl& url);
 387
 388     /** Is emitted if the URL of the view has been changed to \a url. */
 389     void urlChanged(const QUrl& url);
 390
 391     /**
 392      * Is emitted when clicking on an item with the left mouse button.
 393      */
 394     void itemActivated(const KFileItem& item);
 395
 396     /**
 397      * Is emitted when multiple items have been activated by e. g.
 398      * context menu open with.
 399      */
 400     void itemsActivated(const KFileItemList& items);
 401
 402     /**
 403      * Is emitted if items have been added or deleted.
 404      */
 405     void itemCountChanged();
 406
 407     /**
 408      * Is emitted if a new tab should be opened for the URL \a url.
 409      */
 410     void tabRequested(const QUrl& url);
 411
 412     /**
 413      * Is emitted if the view mode (IconsView, DetailsView,
 414      * PreviewsView) has been changed.
 415      */
 416     void modeChanged(DolphinView::Mode current, DolphinView::Mode previous);
 417
 418     /** Is emitted if the 'show preview' property has been changed. */
 419     void previewsShownChanged(bool shown);
 420
 421     /** Is emitted if the 'show hidden files' property has been changed. */
 422     void hiddenFilesShownChanged(bool shown);
 423
 424     /** Is emitted if the 'grouped sorting' property has been changed. */
 425     void groupedSortingChanged(bool groupedSorting);
 426
 427     /** Is emitted if the sorting by name, size or date has been changed. */
 428     void sortRoleChanged(const QByteArray& role);
 429
 430     /** Is emitted if the sort order (ascending or descending) has been changed. */
 431     void sortOrderChanged(Qt::SortOrder order);
 432
 433     /**
 434      * Is emitted if the sorting of files and folders (separate with folders
 435      * first or mixed) has been changed.
 436      */
 437     void sortFoldersFirstChanged(bool foldersFirst);
 438
 439     /** Is emitted if the additional information shown for this view has been changed. */
 440     void visibleRolesChanged(const QList<QByteArray>& current,
 441                              const QList<QByteArray>& previous);
 442
 443     /** Is emitted if the zoom level has been changed by zooming in or out. */
 444     void zoomLevelChanged(int current, int previous);
 445
 446     /**
 447      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 448      * If item is null, no item information request is pending.
 449      */
 450     void requestItemInfo(const KFileItem& item);
 451
 452     /**
 453      * Is emitted whenever the selection has been changed.
 454      */
 455     void selectionChanged(const KFileItemList& selection);
 456
 457     /**
 458      * Is emitted if a context menu is requested for the item \a item,
 459      * which is part of \a url. If the item is null, the context menu
 460      * for the URL should be shown and the custom actions \a customActions
 461      * will be added.
 462      */
 463     void requestContextMenu(const QPoint& pos,
 464                             const KFileItem& item,
 465                             const QUrl& url,
 466                             const QList<QAction*>& customActions);
 467
 468     /**
 469      * Is emitted if an information message with the content \a msg
 470      * should be shown.
 471      */
 472     void infoMessage(const QString& msg);
 473
 474     /**
 475      * Is emitted if an error message with the content \a msg
 476      * should be shown.
 477      */
 478     void errorMessage(const QString& msg);
 479
 480     /**
 481      * Is emitted if an "operation completed" message with the content \a msg
 482      * should be shown.
 483      */
 484     void operationCompletedMessage(const QString& msg);
 485
 486     /**
 487      * Is emitted after DolphinView::setUrl() has been invoked and
 488      * the current directory is loaded. If this signal is emitted,
 489      * it is assured that the view contains already the correct root
 490      * URL and property settings.
 491      */
 492     void directoryLoadingStarted();
 493
 494     /**
 495      * Is emitted after the directory triggered by DolphinView::setUrl()
 496      * has been loaded.
 497      */
 498     void directoryLoadingCompleted();
 499
 500     /**
 501      * Is emitted after the directory loading triggered by DolphinView::setUrl()
 502      * has been canceled.
 503      */
 504     void directoryLoadingCanceled();
 505
 506     /**
 507      * Is emitted after DolphinView::setUrl() has been invoked and provides
 508      * the information how much percent of the current directory have been loaded.
 509      */
 510     void directoryLoadingProgress(int percent);
 511
 512     /**
 513      * Is emitted if the sorting is done asynchronously and provides the
 514      * progress information of the sorting.
 515      */
 516     void directorySortingProgress(int percent);
 517
 518     /**
 519      * Emitted when the file-item-model emits redirection.
 520      * Testcase: fish://localhost
 521      */
 522     void redirection(const QUrl& oldUrl, const QUrl& newUrl);
 523
 524     /**
 525      * Is emitted when the URL set by DolphinView::setUrl() represents a file.
 526      * In this case no signal errorMessage() will be emitted.
 527      */
 528     void urlIsFileError(const QUrl& url);
 529
 530     /**
 531      * Is emitted when the write state of the folder has been changed. The application
 532      * should disable all actions like "Create New..." that depend on the write
 533      * state.
 534      */
 535     void writeStateChanged(bool isFolderWritable);
 536
 537     /**
 538      * Is emitted if the URL should be changed to the previous URL of the
 539      * history (e.g. because the "back"-mousebutton has been pressed).
 540      */
 541     void goBackRequested();
 542
 543     /**
 544      * Is emitted if the URL should be changed to the next URL of the
 545      * history (e.g. because the "next"-mousebutton has been pressed).
 546      */
 547     void goForwardRequested();
 548
 549     /**
 550      * Is emitted when the user wants to move the focus to another view.
 551      */
 552     void toggleActiveViewRequested();
 553
 554 protected:
 555     /** Changes the zoom level if Control is pressed during a wheel event. */
 556     virtual void wheelEvent(QWheelEvent* event) Q_DECL_OVERRIDE;
 557
 558     virtual void hideEvent(QHideEvent* event) Q_DECL_OVERRIDE;
 559     virtual bool event(QEvent* event) Q_DECL_OVERRIDE;
 560
 561 private slots:
 562     /**
 563      * Marks the view as active (DolphinView:isActive() will return true)
 564      * and emits the 'activated' signal if it is not already active.
 565      */
 566     void activate();
 567
 568     void slotItemActivated(int index);
 569     void slotItemsActivated(const KItemSet& indexes);
 570     void slotItemMiddleClicked(int index);
 571     void slotItemContextMenuRequested(int index, const QPointF& pos);
 572     void slotViewContextMenuRequested(const QPointF& pos);
 573     void slotHeaderContextMenuRequested(const QPointF& pos);
 574     void slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current);
 575     void slotItemHovered(int index);
 576     void slotItemUnhovered(int index);
 577     void slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event);
 578     void slotModelChanged(KItemModelBase* current, KItemModelBase* previous);
 579     void slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons);
 580
 581     /*
 582      * Is called when new items get pasted or dropped.
 583      */
 584     void slotItemCreated(const QUrl &url);
 585     /*
 586      * Is called after all pasted or dropped items have been copied to destination.
 587      */
 588     void slotPasteJobResult(KJob *job);
 589
 590     /**
 591      * Emits the signal \a selectionChanged() with a small delay. This is
 592      * because getting all file items for the selection 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 slotSelectionChanged(const KItemSet& current, const KItemSet& previous);
 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      * Updates the view properties of the current URL to the
 607      * sorting given by \a role.
 608      */
 609     void updateSortRole(const QByteArray& role);
 610
 611     /**
 612      * Updates the view properties of the current URL to the
 613      * sort order given by \a order.
 614      */
 615     void updateSortOrder(Qt::SortOrder order);
 616
 617     /**
 618      * Updates the view properties of the current URL to the
 619      * sorting of files and folders (separate with folders first or mixed) given by \a foldersFirst.
 620      */
 621     void updateSortFoldersFirst(bool foldersFirst);
 622
 623     /**
 624      * Indicates in the status bar that the delete operation
 625      * of the job \a job has been finished.
 626      */
 627     void slotDeleteFileFinished(KJob* job);
 628
 629     /**
 630      * Indicates in the status bar that the trash operation
 631      * of the job \a job has been finished.
 632      */
 633     void slotTrashFileFinished(KJob* job);
 634
 635     /**
 636      * Invoked when the rename job is done, for error handling.
 637      */
 638     void slotRenamingResult(KJob* job);
 639
 640     /**
 641      * Invoked when the file item model has started the loading
 642      * of the directory specified by DolphinView::url().
 643      */
 644     void slotDirectoryLoadingStarted();
 645
 646     /**
 647      * Invoked when the file item model indicates that the loading of a directory has
 648      * been completed. Assures that pasted items and renamed items get seleced.
 649      */
 650     void slotDirectoryLoadingCompleted();
 651
 652     /**
 653      * Is invoked when items of KFileItemModel have been changed.
 654      */
 655     void slotItemsChanged();
 656
 657     /**
 658      * Is invoked when the sort order has been changed by the user by clicking
 659      * on a header item. The view properties of the directory will get updated.
 660      */
 661     void slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous);
 662
 663     /**
 664      * Is invoked when the sort role has been changed by the user by clicking
 665      * on a header item. The view properties of the directory will get updated.
 666      */
 667     void slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous);
 668
 669     /**
 670      * Is invoked when the visible roles have been changed by the user by dragging
 671      * a header item. The view properties of the directory will get updated.
 672      */
 673     void slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
 674                                          const QList<QByteArray>& previous);
 675
 676     void slotRoleEditingCanceled();
 677     void slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value);
 678
 679     /**
 680      * Observes the item with the URL \a url. As soon as the directory
 681      * model indicates that the item is available, the item will
 682      * get selected and it is assured that the item stays visible.
 683      */
 684     void observeCreatedItem(const QUrl &url);
 685
 686     /**
 687      * Called when a redirection happens.
 688      * Testcase: fish://localhost
 689      */
 690     void slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl);
 691
 692     /**
 693      * Applies the state that has been restored by restoreViewState()
 694      * to the view.
 695      */
 696     void updateViewState();
 697
 698     void hideToolTip();
 699
 700     /**
 701      * Calculates the number of currently shown files into
 702      * \a fileCount and the number of folders into \a folderCount.
 703      * The size of all files is written into \a totalFileSize.
 704      * It is recommend using this method instead of asking the
 705      * directory lister or the model directly, as it takes
 706      * filtering and hierarchical previews into account.
 707      */
 708     void calculateItemCount(int& fileCount, int& folderCount, KIO::filesize_t& totalFileSize) const;
 709
 710 private:
 711     void loadDirectory(const QUrl& url, bool reload = false);
 712
 713     /**
 714      * Applies the view properties which are defined by the current URL
 715      * to the DolphinView properties. The view properties are read from a
 716      * .directory file either in the current directory, or in the
 717      * share/apps/dolphin/view_properties/ subfolder of the user's .kde folder.
 718      */
 719     void applyViewProperties();
 720
 721     /**
 722      * Applies the given view properties to the DolphinView.
 723      */
 724     void applyViewProperties(const ViewProperties& props);
 725
 726     /**
 727      * Applies the m_mode property to the corresponding
 728      * itemlayout-property of the KItemListView.
 729      */
 730     void applyModeToView();
 731
 732     /**
 733      * Helper method for DolphinView::paste() and DolphinView::pasteIntoFolder().
 734      * Pastes the clipboard data into the URL \a url.
 735      */
 736     void pasteToUrl(const QUrl& url);
 737
 738     /**
 739      * Returns a list of URLs for all selected items. The list is
 740      * simplified, so that when the URLs are part of different tree
 741      * levels, only the parent is returned.
 742      */
 743     QList<QUrl> simplifiedSelectedUrls() const;
 744
 745     /**
 746      * Returns the MIME data for all selected items.
 747      */
 748     QMimeData* selectionMimeData() const;
 749
 750     /**
 751      * Updates m_isFolderWritable dependent on whether the folder represented by
 752      * the current URL is writable. If the state has changed, the signal
 753      * writeableStateChanged() will be emitted.
 754      */
 755     void updateWritableState();
 756
 757     /**
 758      * @return The current URL if no viewproperties-context is given (see
 759      *         DolphinView::viewPropertiesContext(), otherwise the context
 760      *         is returned.
 761      */
 762     QUrl viewPropertiesUrl() const;
 763
 764 private:
 765     void updatePalette();
 766
 767     bool m_active;
 768     bool m_tabsForFiles;
 769     bool m_assureVisibleCurrentIndex;
 770     bool m_isFolderWritable;
 771     bool m_dragging; // True if a dragging is done. Required to be able to decide whether a
 772                      // tooltip may be shown when hovering an item.
 773
 774     QUrl m_url;
 775     QString m_viewPropertiesContext;
 776     Mode m_mode;
 777     QList<QByteArray> m_visibleRoles;
 778
 779     QVBoxLayout* m_topLayout;
 780
 781     KFileItemModel* m_model;
 782     DolphinItemListView* m_view;
 783     KItemListContainer* m_container;
 784
 785     ToolTipManager* m_toolTipManager;
 786
 787     QTimer* m_selectionChangedTimer;
 788
 789     QUrl m_currentItemUrl; // Used for making the view to remember the current URL after F5
 790     bool m_scrollToCurrentItem; // Used for marking we need to scroll to current item or not
 791     QPoint m_restoredContentsPosition;
 792
 793     QList<QUrl> m_selectedUrls; // Used for making the view to remember selections after F5
 794     bool m_clearSelectionBeforeSelectingNewItems;
 795     bool m_markFirstNewlySelectedItemAsCurrent;
 796
 797     VersionControlObserver* m_versionControlObserver;
 798
 799     // For unit tests
 800     friend class TestBase;
 801     friend class DolphinDetailsViewTest;
 802     friend class DolphinPart;                   // Accesses m_model
 803 };
 804
 805 /// Allow using DolphinView::Mode in QVariant
 806 Q_DECLARE_METATYPE(DolphinView::Mode)
 807
 808 #endif // DOLPHINVIEW_H