src/dolphinview.cpp

   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 #include "dolphinview.h"
  22
  23 #include <QApplication>
  24 #include <QClipboard>
  25 #include <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfilepreviewgenerator.h>
  35 #include <kiconeffect.h>
  36 #include <kfileitem.h>
  37 #include <klocale.h>
  38 #include <kio/deletejob.h>
  39 #include <kio/netaccess.h>
  40 #include <kio/previewjob.h>
  41 #include <kjob.h>
  42 #include <kmenu.h>
  43 #include <kmessagebox.h>
  44 #include <kmimetyperesolver.h>
  45 #include <konq_fileitemcapabilities.h>
  46 #include <konq_operations.h>
  47 #include <konqmimedata.h>
  48 #include <kstringhandler.h>
  49 #include <ktoggleaction.h>
  50 #include <kurl.h>
  51
  52 #include "dolphinmodel.h"
  53 #include "dolphincolumnview.h"
  54 #include "dolphincontroller.h"
  55 #include "dolphinfileitemdelegate.h"
  56 #include "dolphinsortfilterproxymodel.h"
  57 #include "dolphindetailsview.h"
  58 #include "dolphin_detailsmodesettings.h"
  59 #include "dolphiniconsview.h"
  60 #include "settings/dolphinsettings.h"
  61 #include "dolphin_generalsettings.h"
  62 #include "draganddrophelper.h"
  63 #include "folderexpander.h"
  64 #include "renamedialog.h"
  65 #include "tooltips/tooltipmanager.h"
  66 #include "viewproperties.h"
  67 #include "zoomlevelinfo.h"
  68
  69 /**
  70  * Helper function for sorting items with qSort() in
  71  * DolphinView::renameSelectedItems().
  72  */
  73 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  74 {
  75     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  76 }
  77
  78 DolphinView::DolphinView(QWidget* parent,
  79                          const KUrl& url,
  80                          KDirLister* dirLister,
  81                          DolphinModel* dolphinModel,
  82                          DolphinSortFilterProxyModel* proxyModel) :
  83     QWidget(parent),
  84     m_active(true),
  85     m_showPreview(false),
  86     m_loadingDirectory(false),
  87     m_storedCategorizedSorting(false),
  88     m_tabsForFiles(false),
  89     m_isContextMenuOpen(false),
  90     m_ignoreViewProperties(false),
  91     m_mode(DolphinView::IconsView),
  92     m_topLayout(0),
  93     m_controller(0),
  94     m_iconsView(0),
  95     m_detailsView(0),
  96     m_columnView(0),
  97     m_fileItemDelegate(0),
  98     m_selectionModel(0),
  99     m_dolphinModel(dolphinModel),
 100     m_dirLister(dirLister),
 101     m_proxyModel(proxyModel),
 102     m_previewGenerator(0),
 103     m_toolTipManager(0),
 104     m_rootUrl(),
 105     m_currentItemUrl(),
 106     m_expandedDragSource(0)
 107 {
 108     m_topLayout = new QVBoxLayout(this);
 109     m_topLayout->setSpacing(0);
 110     m_topLayout->setMargin(0);
 111
 112     m_controller = new DolphinController(this);
 113     m_controller->setUrl(url);
 114
 115     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 116             this, SIGNAL(urlChanged(const KUrl&)));
 117     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 118             this, SLOT(slotRequestUrlChange(const KUrl&)));
 119
 120     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 121             this, SLOT(openContextMenu(const QPoint&)));
 122     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 123             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 124     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 125             this, SLOT(updateSorting(DolphinView::Sorting)));
 126     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 127             this, SLOT(updateSortOrder(Qt::SortOrder)));
 128     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 129             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 130     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 131             this, SLOT(triggerItem(const KFileItem&)));
 132     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 133             this, SIGNAL(tabRequested(const KUrl&)));
 134     connect(m_controller, SIGNAL(activated()),
 135             this, SLOT(activate()));
 136     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 137             this, SLOT(showHoverInformation(const KFileItem&)));
 138     connect(m_controller, SIGNAL(viewportEntered()),
 139             this, SLOT(clearHoverInformation()));
 140
 141     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 142             this, SIGNAL(redirection(KUrl, KUrl)));
 143     connect(m_dirLister, SIGNAL(completed()),
 144             this, SLOT(restoreCurrentItem()));
 145
 146     applyViewProperties(url);
 147     m_topLayout->addWidget(itemView());
 148 }
 149
 150 DolphinView::~DolphinView()
 151 {
 152     kDebug() << "Deleted view " << m_expandedDragSource;
 153     delete m_expandedDragSource;
 154     m_expandedDragSource = 0;
 155 }
 156
 157 const KUrl& DolphinView::url() const
 158 {
 159     return m_controller->url();
 160 }
 161
 162 KUrl DolphinView::rootUrl() const
 163 {
 164     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 165 }
 166
 167 void DolphinView::setActive(bool active)
 168 {
 169     if (active == m_active) {
 170         return;
 171     }
 172
 173     m_active = active;
 174
 175     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 176     if (active) {
 177         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 178         // bypasses the problem when having a split view and changing the active view to
 179         // update the some URL dependent states. A nicer approach should be no big deal...
 180         emit urlChanged(url());
 181         emit selectionChanged(selectedItems());
 182     } else {
 183         color.setAlpha(150);
 184     }
 185
 186     QWidget* viewport = itemView()->viewport();
 187     QPalette palette;
 188     palette.setColor(viewport->backgroundRole(), color);
 189     viewport->setPalette(palette);
 190
 191     update();
 192
 193     if (active) {
 194         itemView()->setFocus();
 195         emit activated();
 196     }
 197
 198     m_controller->indicateActivationChange(active);
 199 }
 200
 201 bool DolphinView::isActive() const
 202 {
 203     return m_active;
 204 }
 205
 206 void DolphinView::setMode(Mode mode)
 207 {
 208     if (mode == m_mode) {
 209         return; // the wished mode is already set
 210     }
 211
 212     const int oldZoomLevel = m_controller->zoomLevel();
 213     m_mode = mode;
 214
 215     deleteView();
 216
 217     const KUrl viewPropsUrl = viewPropertiesUrl();
 218     ViewProperties props(viewPropsUrl);
 219     props.setViewMode(m_mode);
 220     createView();
 221
 222     // the file item delegate has been recreated, apply the current
 223     // additional information manually
 224     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 225     m_fileItemDelegate->setShowInformation(infoList);
 226     emit additionalInfoChanged();
 227
 228     // Not all view modes support categorized sorting. Adjust the sorting model
 229     // if changing the view mode results in a change of the categorized sorting
 230     // capabilities.
 231     m_storedCategorizedSorting = props.categorizedSorting();
 232     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 233     if (categorized != m_proxyModel->isCategorizedModel()) {
 234         m_proxyModel->setCategorizedModel(categorized);
 235         emit categorizedSortingChanged();
 236     }
 237
 238     emit modeChanged();
 239
 240     updateZoomLevel(oldZoomLevel);
 241     if (m_showPreview) {
 242         loadDirectory(viewPropsUrl);
 243     }
 244 }
 245
 246 DolphinView::Mode DolphinView::mode() const
 247 {
 248     return m_mode;
 249 }
 250
 251 bool DolphinView::showPreview() const
 252 {
 253     return m_showPreview;
 254 }
 255
 256 bool DolphinView::showHiddenFiles() const
 257 {
 258     return m_dirLister->showingDotFiles();
 259 }
 260
 261 bool DolphinView::categorizedSorting() const
 262 {
 263     // If all view modes would support categorized sorting, returning
 264     // m_proxyModel->isCategorizedModel() would be the way to go. As
 265     // currently only the icons view supports caterized sorting, we remember
 266     // the stored view properties state in m_storedCategorizedSorting and
 267     // return this state. The application takes care to disable the corresponding
 268     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 269     // that this setting is not applied to the current view mode.
 270     return m_storedCategorizedSorting;
 271 }
 272
 273 bool DolphinView::supportsCategorizedSorting() const
 274 {
 275     return m_iconsView != 0;
 276 }
 277
 278 void DolphinView::selectAll()
 279 {
 280     QAbstractItemView* view = itemView();
 281     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 282     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 283     // selection instead of selecting all items. This is bypassed for KDE 4.0
 284     // by invoking clearSelection() first.
 285     view->clearSelection();
 286     view->selectAll();
 287 }
 288
 289 void DolphinView::invertSelection()
 290 {
 291     if (isColumnViewActive()) {
 292         // QAbstractItemView does not offer a virtual method invertSelection()
 293         // as counterpart to QAbstractItemView::selectAll(). This makes it
 294         // necessary to delegate the inverting of the selection to the
 295         // column view, as only the selection of the active column should
 296         // get inverted.
 297         m_columnView->invertSelection();
 298     } else {
 299         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 300         const QAbstractItemModel* itemModel = selectionModel->model();
 301
 302         const QModelIndex topLeft = itemModel->index(0, 0);
 303         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 304                                                          itemModel->columnCount() - 1);
 305
 306         const QItemSelection selection(topLeft, bottomRight);
 307         selectionModel->select(selection, QItemSelectionModel::Toggle);
 308     }
 309 }
 310
 311 bool DolphinView::hasSelection() const
 312 {
 313     return itemView()->selectionModel()->hasSelection();
 314 }
 315
 316 void DolphinView::clearSelection()
 317 {
 318     itemView()->selectionModel()->clear();
 319 }
 320
 321 KFileItemList DolphinView::selectedItems() const
 322 {
 323     if (isColumnViewActive()) {
 324         return m_columnView->selectedItems();
 325     }
 326
 327     const QAbstractItemView* view = itemView();
 328
 329     // Our view has a selection, we will map them back to the DolphinModel
 330     // and then fill the KFileItemList.
 331     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 332
 333     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 334     KFileItemList itemList;
 335
 336     const QModelIndexList indexList = selection.indexes();
 337     foreach (const QModelIndex &index, indexList) {
 338         KFileItem item = m_dolphinModel->itemForIndex(index);
 339         if (!item.isNull()) {
 340             itemList.append(item);
 341         }
 342     }
 343
 344     return itemList;
 345 }
 346
 347 KUrl::List DolphinView::selectedUrls() const
 348 {
 349     KUrl::List urls;
 350     const KFileItemList list = selectedItems();
 351     foreach (const KFileItem &item, list) {
 352         urls.append(item.url());
 353     }
 354     return urls;
 355 }
 356
 357 int DolphinView::selectedItemsCount() const
 358 {
 359     if (isColumnViewActive()) {
 360         // TODO: get rid of this special case by adjusting the dir lister
 361         // to the current column
 362         return m_columnView->selectedItems().count();
 363     }
 364
 365     return itemView()->selectionModel()->selection().count();
 366 }
 367
 368 void DolphinView::setContentsPosition(int x, int y)
 369 {
 370     QAbstractItemView* view = itemView();
 371
 372     // the ColumnView takes care itself for the horizontal scrolling
 373     if (!isColumnViewActive()) {
 374         view->horizontalScrollBar()->setValue(x);
 375     }
 376     view->verticalScrollBar()->setValue(y);
 377
 378     m_loadingDirectory = false;
 379 }
 380
 381 QPoint DolphinView::contentsPosition() const
 382 {
 383     const int x = itemView()->horizontalScrollBar()->value();
 384     const int y = itemView()->verticalScrollBar()->value();
 385     return QPoint(x, y);
 386 }
 387
 388 void DolphinView::setZoomLevel(int level)
 389 {
 390     if (level < ZoomLevelInfo::minimumLevel()) {
 391         level = ZoomLevelInfo::minimumLevel();
 392     } else if (level > ZoomLevelInfo::maximumLevel()) {
 393         level = ZoomLevelInfo::maximumLevel();
 394     }
 395
 396     if (level != zoomLevel()) {
 397         m_controller->setZoomLevel(level);
 398         m_previewGenerator->updatePreviews();
 399         emit zoomLevelChanged(level);
 400     }
 401 }
 402
 403 int DolphinView::zoomLevel() const
 404 {
 405     return m_controller->zoomLevel();
 406 }
 407
 408 void DolphinView::setSorting(Sorting sorting)
 409 {
 410     if (sorting != this->sorting()) {
 411         updateSorting(sorting);
 412     }
 413 }
 414
 415 DolphinView::Sorting DolphinView::sorting() const
 416 {
 417     return m_proxyModel->sorting();
 418 }
 419
 420 void DolphinView::setSortOrder(Qt::SortOrder order)
 421 {
 422     if (sortOrder() != order) {
 423         updateSortOrder(order);
 424     }
 425 }
 426
 427 Qt::SortOrder DolphinView::sortOrder() const
 428 {
 429     return m_proxyModel->sortOrder();
 430 }
 431
 432 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 433 {
 434     const KUrl viewPropsUrl = viewPropertiesUrl();
 435     ViewProperties props(viewPropsUrl);
 436     props.setAdditionalInfo(info);
 437     m_fileItemDelegate->setShowInformation(info);
 438
 439     emit additionalInfoChanged();
 440
 441     if (itemView() != m_detailsView) {
 442         // the details view requires no reloading of the directory, as it maps
 443         // the file item delegate info to its columns internally
 444         loadDirectory(viewPropsUrl);
 445     }
 446 }
 447
 448 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 449 {
 450     return m_fileItemDelegate->showInformation();
 451 }
 452
 453 void DolphinView::reload()
 454 {
 455     setUrl(url());
 456     loadDirectory(url(), true);
 457 }
 458
 459 void DolphinView::refresh()
 460 {
 461     m_ignoreViewProperties = false;
 462
 463     const bool oldActivationState = m_active;
 464     const int oldZoomLevel = m_controller->zoomLevel();
 465     m_active = true;
 466
 467     createView();
 468     applyViewProperties(m_controller->url());
 469     reload();
 470
 471     setActive(oldActivationState);
 472     updateZoomLevel(oldZoomLevel);
 473 }
 474
 475 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 476 {
 477     if (m_controller->url() == url) {
 478         return;
 479     }
 480
 481     m_previewGenerator->cancelPreviews();
 482     m_controller->setUrl(url); // emits urlChanged, which we forward
 483
 484     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 485         applyViewProperties(rootUrl);
 486         loadDirectory(rootUrl);
 487         if (itemView() == m_columnView) {
 488             m_columnView->setRootUrl(rootUrl);
 489             m_columnView->showColumn(url);
 490         }
 491     } else {
 492         applyViewProperties(url);
 493         loadDirectory(url);
 494     }
 495
 496     emit startedPathLoading(url);
 497 }
 498
 499 void DolphinView::setNameFilter(const QString& nameFilter)
 500 {
 501     m_proxyModel->setFilterRegExp(nameFilter);
 502
 503     if (isColumnViewActive()) {
 504         // adjusting the directory lister is not enough in the case of the
 505         // column view, as each column has its own directory lister internally...
 506         m_columnView->setNameFilter(nameFilter);
 507     }
 508 }
 509
 510 void DolphinView::calculateItemCount(int& fileCount,
 511                                      int& folderCount,
 512                                      KIO::filesize_t& totalFileSize) const
 513 {
 514     foreach (const KFileItem& item, m_dirLister->items()) {
 515         if (item.isDir()) {
 516             ++folderCount;
 517         } else {
 518             ++fileCount;
 519             totalFileSize += item.size();
 520         }
 521     }
 522 }
 523
 524 QString DolphinView::statusBarText() const
 525 {
 526     QString text;
 527     int folderCount = 0;
 528     int fileCount = 0;
 529     KIO::filesize_t totalFileSize = 0;
 530
 531     if (hasSelection()) {
 532         // give a summary of the status of the selected files
 533         const KFileItemList list = selectedItems();
 534         if (list.isEmpty()) {
 535             // when an item is triggered, it is temporary selected but selectedItems()
 536             // will return an empty list
 537             return text;
 538         }
 539
 540         KFileItemList::const_iterator it = list.begin();
 541         const KFileItemList::const_iterator end = list.end();
 542         while (it != end) {
 543             const KFileItem& item = *it;
 544             if (item.isDir()) {
 545                 ++folderCount;
 546             } else {
 547                 ++fileCount;
 548                 totalFileSize += item.size();
 549             }
 550             ++it;
 551         }
 552
 553         if (folderCount + fileCount == 1) {
 554             // if only one item is selected, show the filename
 555             const QString name = list.first().name();
 556             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 557                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 558                                               name, KIO::convertSize(totalFileSize));
 559         } else {
 560             // at least 2 items are selected
 561             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 562             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 563             if ((folderCount > 0) && (fileCount > 0)) {
 564                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 565                              foldersText, filesText, KIO::convertSize(totalFileSize));
 566             } else if (fileCount > 0) {
 567                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 568             } else {
 569                 Q_ASSERT(folderCount > 0);
 570                 text = foldersText;
 571             }
 572         }
 573     } else {
 574         calculateItemCount(fileCount, folderCount, totalFileSize);
 575         text = KIO::itemsSummaryString(fileCount + folderCount,
 576                                        fileCount, folderCount,
 577                                        totalFileSize, true);
 578     }
 579
 580     return text;
 581 }
 582
 583 void DolphinView::setUrl(const KUrl& url)
 584 {
 585     // remember current item candidate (see restoreCurrentItem())
 586     m_currentItemUrl = url;
 587     updateView(url, KUrl());
 588 }
 589
 590 void DolphinView::changeSelection(const KFileItemList& selection)
 591 {
 592     clearSelection();
 593     if (selection.isEmpty()) {
 594         return;
 595     }
 596     const KUrl& baseUrl = url();
 597     KUrl url;
 598     QItemSelection new_selection;
 599     foreach(const KFileItem& item, selection) {
 600         url = item.url().upUrl();
 601         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 602             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 603             new_selection.select(index, index);
 604         }
 605     }
 606     itemView()->selectionModel()->select(new_selection,
 607                                          QItemSelectionModel::ClearAndSelect
 608                                          | QItemSelectionModel::Current);
 609 }
 610
 611 void DolphinView::renameSelectedItems()
 612 {
 613     KFileItemList items = selectedItems();
 614     const int itemCount = items.count();
 615     if (itemCount < 1) {
 616         return;
 617     }
 618
 619     if (itemCount > 1) {
 620         // More than one item has been selected for renaming. Open
 621         // a rename dialog and rename all items afterwards.
 622         RenameDialog dialog(this, items);
 623         if (dialog.exec() == QDialog::Rejected) {
 624             return;
 625         }
 626
 627         const QString newName = dialog.newName();
 628         if (newName.isEmpty()) {
 629             emit errorMessage(dialog.errorString());
 630         } else {
 631             // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 632             // as one operation instead of n rename operations like it is done now...
 633             Q_ASSERT(newName.contains('#'));
 634
 635             // currently the items are sorted by the selection order, resort
 636             // them by the file name
 637             qSort(items.begin(), items.end(), lessThan);
 638
 639             // iterate through all selected items and rename them...
 640             int index = 1;
 641             foreach (const KFileItem& item, items) {
 642                 const KUrl& oldUrl = item.url();
 643                 QString number;
 644                 number.setNum(index++);
 645
 646                 QString name = newName;
 647                 name.replace('#', number);
 648
 649                 if (oldUrl.fileName() != name) {
 650                     KUrl newUrl = oldUrl;
 651                     newUrl.setFileName(name);
 652                     KonqOperations::rename(this, oldUrl, newUrl);
 653                 }
 654             }
 655         }
 656     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 657         Q_ASSERT(itemCount == 1);
 658
 659         if (isColumnViewActive()) {
 660             m_columnView->editItem(items.first());
 661         } else {
 662             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 663             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 664             itemView()->edit(proxyIndex);
 665         }
 666     } else {
 667         Q_ASSERT(itemCount == 1);
 668
 669         RenameDialog dialog(this, items);
 670         if (dialog.exec() == QDialog::Rejected) {
 671             return;
 672         }
 673
 674         const QString& newName = dialog.newName();
 675         if (newName.isEmpty()) {
 676             emit errorMessage(dialog.errorString());
 677         } else {
 678             const KUrl& oldUrl = items.first().url();
 679             KUrl newUrl = oldUrl;
 680             newUrl.setFileName(newName);
 681             KonqOperations::rename(this, oldUrl, newUrl);
 682         }
 683     }
 684 }
 685
 686 void DolphinView::trashSelectedItems()
 687 {
 688     const KUrl::List list = simplifiedSelectedUrls();
 689     KonqOperations::del(this, KonqOperations::TRASH, list);
 690 }
 691
 692 void DolphinView::deleteSelectedItems()
 693 {
 694     const KUrl::List list = simplifiedSelectedUrls();
 695     const bool del = KonqOperations::askDeleteConfirmation(list,
 696                      KonqOperations::DEL,
 697                      KonqOperations::DEFAULT_CONFIRMATION,
 698                      this);
 699
 700     if (del) {
 701         KIO::Job* job = KIO::del(list);
 702         connect(job, SIGNAL(result(KJob*)),
 703                 this, SLOT(slotDeleteFileFinished(KJob*)));
 704     }
 705 }
 706
 707 void DolphinView::cutSelectedItems()
 708 {
 709     QMimeData* mimeData = selectionMimeData();
 710     KonqMimeData::addIsCutSelection(mimeData, true);
 711     QApplication::clipboard()->setMimeData(mimeData);
 712 }
 713
 714 void DolphinView::copySelectedItems()
 715 {
 716     QMimeData* mimeData = selectionMimeData();
 717     QApplication::clipboard()->setMimeData(mimeData);
 718 }
 719
 720 void DolphinView::paste()
 721 {
 722     pasteToUrl(url());
 723 }
 724
 725 void DolphinView::pasteIntoFolder()
 726 {
 727     const KFileItemList items = selectedItems();
 728     if ((items.count() == 1) && items.first().isDir()) {
 729         pasteToUrl(items.first().url());
 730     }
 731 }
 732
 733 void DolphinView::setShowPreview(bool show)
 734 {
 735     if (m_showPreview == show) {
 736         return;
 737     }
 738
 739     const KUrl viewPropsUrl = viewPropertiesUrl();
 740     ViewProperties props(viewPropsUrl);
 741     props.setShowPreview(show);
 742
 743     m_showPreview = show;
 744     m_previewGenerator->setPreviewShown(show);
 745
 746     const int oldZoomLevel = m_controller->zoomLevel();
 747     emit showPreviewChanged();
 748
 749     // Enabling or disabling the preview might change the icon size of the view.
 750     // As the view does not emit a signal when the icon size has been changed,
 751     // the used zoom level of the controller must be adjusted manually:
 752     updateZoomLevel(oldZoomLevel);
 753
 754     loadDirectory(viewPropsUrl);
 755 }
 756
 757 void DolphinView::setShowHiddenFiles(bool show)
 758 {
 759     if (m_dirLister->showingDotFiles() == show) {
 760         return;
 761     }
 762
 763     const KUrl viewPropsUrl = viewPropertiesUrl();
 764     ViewProperties props(viewPropsUrl);
 765     props.setShowHiddenFiles(show);
 766
 767     m_dirLister->setShowingDotFiles(show);
 768     emit showHiddenFilesChanged();
 769
 770     loadDirectory(viewPropsUrl);
 771 }
 772
 773 void DolphinView::setCategorizedSorting(bool categorized)
 774 {
 775     if (categorized == categorizedSorting()) {
 776         return;
 777     }
 778
 779     // setCategorizedSorting(true) may only get invoked
 780     // if the view supports categorized sorting
 781     Q_ASSERT(!categorized || supportsCategorizedSorting());
 782
 783     ViewProperties props(viewPropertiesUrl());
 784     props.setCategorizedSorting(categorized);
 785     props.save();
 786
 787     m_storedCategorizedSorting = categorized;
 788     m_proxyModel->setCategorizedModel(categorized);
 789
 790     emit categorizedSortingChanged();
 791 }
 792
 793 void DolphinView::toggleSortOrder()
 794 {
 795     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 796                                 Qt::DescendingOrder :
 797                                 Qt::AscendingOrder;
 798     setSortOrder(order);
 799 }
 800
 801 void DolphinView::toggleAdditionalInfo(QAction* action)
 802 {
 803     const KFileItemDelegate::Information info =
 804         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 805
 806     KFileItemDelegate::InformationList list = additionalInfo();
 807
 808     const bool show = action->isChecked();
 809
 810     const int index = list.indexOf(info);
 811     const bool containsInfo = (index >= 0);
 812     if (show && !containsInfo) {
 813         list.append(info);
 814         setAdditionalInfo(list);
 815     } else if (!show && containsInfo) {
 816         list.removeAt(index);
 817         setAdditionalInfo(list);
 818         Q_ASSERT(list.indexOf(info) < 0);
 819     }
 820 }
 821
 822 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 823 {
 824     QWidget::mouseReleaseEvent(event);
 825     setActive(true);
 826 }
 827
 828 void DolphinView::wheelEvent(QWheelEvent* event)
 829 {
 830     if (event->modifiers() & Qt::ControlModifier) {
 831         const int delta = event->delta();
 832         const int level = zoomLevel();
 833         if (delta > 0) {
 834             setZoomLevel(level + 1);
 835         } else if (delta < 0) {
 836             setZoomLevel(level - 1);
 837         }
 838         event->accept();
 839     }
 840 }
 841
 842 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 843 {
 844     switch (event->type()) {
 845     case QEvent::FocusIn:
 846         if (watched == itemView()) {
 847             m_controller->requestActivation();
 848         }
 849         break;
 850
 851     case QEvent::MouseButtonPress:
 852         kDebug() << "m_expandedDragSource = " << m_expandedDragSource;
 853         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 854             // Listening to a mousebutton press event to delete expanded views is a
 855             // workaround, as it seems impossible for the FolderExpander to know when
 856             // a dragging outside a view has been finished. However it works quite well:
 857             // A mousebutton press event indicates that a drag operation must be
 858             // finished already.
 859             kDebug() << "Deleted view " << m_expandedDragSource;
 860             m_expandedDragSource->deleteLater();
 861             m_expandedDragSource = 0;
 862         }
 863         break;
 864
 865     case QEvent::DragEnter:
 866         if (watched == itemView()->viewport()) {
 867             setActive(true);
 868         }
 869         break;
 870
 871     case QEvent::KeyPress:
 872         if ((watched == itemView()) && (m_toolTipManager != 0)) {
 873             m_toolTipManager->hideTip();
 874         }
 875         break;
 876
 877     default:
 878         break;
 879     }
 880
 881     return QWidget::eventFilter(watched, event);
 882 }
 883
 884 void DolphinView::activate()
 885 {
 886     setActive(true);
 887 }
 888
 889 void DolphinView::triggerItem(const KFileItem& item)
 890 {
 891     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 892     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 893         // items are selected by the user, hence don't trigger the
 894         // item specified by 'index'
 895         return;
 896     }
 897
 898     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 899     if (item.isNull() || m_isContextMenuOpen) {
 900         return;
 901     }
 902
 903     if (m_toolTipManager != 0) {
 904         m_toolTipManager->hideTip();
 905     }
 906     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 907 }
 908
 909 void DolphinView::emitSelectionChangedSignal()
 910 {
 911     emit selectionChanged(DolphinView::selectedItems());
 912 }
 913
 914 void DolphinView::openContextMenu(const QPoint& pos)
 915 {
 916     KFileItem item;
 917     if (isColumnViewActive()) {
 918         item = m_columnView->itemAt(pos);
 919     } else {
 920         const QModelIndex index = itemView()->indexAt(pos);
 921         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 922             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 923             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 924         }
 925     }
 926
 927     if (m_toolTipManager != 0) {
 928         m_toolTipManager->hideTip();
 929     }
 930
 931     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 932     emit requestContextMenu(item, url());
 933     m_isContextMenuOpen = false;
 934 }
 935
 936 void DolphinView::dropUrls(const KFileItem& destItem,
 937                            const KUrl& destPath,
 938                            QDropEvent* event)
 939 {
 940     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 941 }
 942
 943 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 944 {
 945     ViewProperties props(viewPropertiesUrl());
 946     props.setSorting(sorting);
 947
 948     m_proxyModel->setSorting(sorting);
 949
 950     emit sortingChanged(sorting);
 951 }
 952
 953 void DolphinView::updateSortOrder(Qt::SortOrder order)
 954 {
 955     ViewProperties props(viewPropertiesUrl());
 956     props.setSortOrder(order);
 957
 958     m_proxyModel->setSortOrder(order);
 959
 960     emit sortOrderChanged(order);
 961 }
 962
 963 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 964 {
 965     ViewProperties props(viewPropertiesUrl());
 966     props.setAdditionalInfo(info);
 967     props.save();
 968
 969     m_fileItemDelegate->setShowInformation(info);
 970
 971     emit additionalInfoChanged();
 972 }
 973
 974 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 975 {
 976     const bool enable = (m_mode == DolphinView::DetailsView) ||
 977                         (m_mode == DolphinView::IconsView);
 978
 979     QAction* showSizeInfo = collection->action("show_size_info");
 980     QAction* showDateInfo = collection->action("show_date_info");
 981     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 982     QAction* showOwnerInfo = collection->action("show_owner_info");
 983     QAction* showGroupInfo = collection->action("show_group_info");
 984     QAction* showMimeInfo = collection->action("show_mime_info");
 985
 986     showSizeInfo->setChecked(false);
 987     showDateInfo->setChecked(false);
 988     showPermissionsInfo->setChecked(false);
 989     showOwnerInfo->setChecked(false);
 990     showGroupInfo->setChecked(false);
 991     showMimeInfo->setChecked(false);
 992
 993     showSizeInfo->setEnabled(enable);
 994     showDateInfo->setEnabled(enable);
 995     showPermissionsInfo->setEnabled(enable);
 996     showOwnerInfo->setEnabled(enable);
 997     showGroupInfo->setEnabled(enable);
 998     showMimeInfo->setEnabled(enable);
 999
1000     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1001         switch (info) {
1002         case KFileItemDelegate::Size:
1003             showSizeInfo->setChecked(true);
1004             break;
1005         case KFileItemDelegate::ModificationTime:
1006             showDateInfo->setChecked(true);
1007             break;
1008         case KFileItemDelegate::Permissions:
1009             showPermissionsInfo->setChecked(true);
1010             break;
1011         case KFileItemDelegate::Owner:
1012             showOwnerInfo->setChecked(true);
1013             break;
1014         case KFileItemDelegate::OwnerAndGroup:
1015             showGroupInfo->setChecked(true);
1016             break;
1017         case KFileItemDelegate::FriendlyMimeType:
1018             showMimeInfo->setChecked(true);
1019             break;
1020         default:
1021             break;
1022         }
1023     }
1024 }
1025
1026 QPair<bool, QString> DolphinView::pasteInfo() const
1027 {
1028     QPair<bool, QString> ret;
1029     QClipboard* clipboard = QApplication::clipboard();
1030     const QMimeData* mimeData = clipboard->mimeData();
1031
1032     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1033     if (!urls.isEmpty()) {
1034         // disable the paste action if no writing is supported
1035         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url());
1036         ret.first = KonqFileItemCapabilities(KFileItemList() << item).supportsWriting();
1037
1038         if (urls.count() == 1) {
1039             const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, urls.first(), true);
1040             ret.second = item.isDir() ? i18nc("@action:inmenu", "Paste One Folder") :
1041                                         i18nc("@action:inmenu", "Paste One File");
1042
1043         } else {
1044             ret.second = i18ncp("@action:inmenu", "Paste One Item", "Paste %1 Items", urls.count());
1045         }
1046     } else {
1047         ret.first = false;
1048         ret.second = i18nc("@action:inmenu", "Paste");
1049     }
1050
1051     return ret;
1052 }
1053
1054 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1055 {
1056     m_tabsForFiles = tabsForFiles;
1057 }
1058
1059 bool DolphinView::isTabsForFilesEnabled() const
1060 {
1061     return m_tabsForFiles;
1062 }
1063
1064 bool DolphinView::itemsExpandable() const
1065 {
1066     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1067 }
1068
1069 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1070 {
1071     if (view == 0)
1072         return;
1073
1074     if (DragAndDropHelper::instance().isDragSource(view)) {
1075         kDebug() << "Is current drag source";
1076         // We must store for later deletion.
1077         if (m_expandedDragSource != 0) {
1078             // The old stored view is obviously not the drag source anymore.
1079             kDebug() << "Deleted old view " << m_expandedDragSource;
1080             m_expandedDragSource->deleteLater();
1081             m_expandedDragSource = 0;
1082         }
1083         view->hide();
1084         m_expandedDragSource = view;
1085     }
1086     else {
1087         kDebug() << "Deleted new view " << view;
1088         view->deleteLater();
1089     }
1090 }
1091
1092 void DolphinView::emitContentsMoved()
1093 {
1094     // only emit the contents moved signal if:
1095     // - no directory loading is ongoing (this would reset the contents position
1096     //   always to (0, 0))
1097     // - if the Column View is active: the column view does an automatic
1098     //   positioning during the loading operation, which must be remembered
1099     if (!m_loadingDirectory || isColumnViewActive()) {
1100         const QPoint pos(contentsPosition());
1101         emit contentsMoved(pos.x(), pos.y());
1102     }
1103 }
1104
1105 void DolphinView::showHoverInformation(const KFileItem& item)
1106 {
1107     emit requestItemInfo(item);
1108 }
1109
1110 void DolphinView::clearHoverInformation()
1111 {
1112     emit requestItemInfo(KFileItem());
1113 }
1114
1115 void DolphinView::slotDeleteFileFinished(KJob* job)
1116 {
1117     if (job->error() == 0) {
1118         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1119     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1120         emit errorMessage(job->errorString());
1121     }
1122 }
1123
1124 void DolphinView::slotRequestUrlChange(const KUrl& url)
1125 {
1126     emit requestUrlChange(url);
1127     m_controller->setUrl(url);
1128 }
1129
1130 void DolphinView::restoreCurrentItem()
1131 {
1132     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1133     if (dirIndex.isValid()) {
1134         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1135         QAbstractItemView* view = itemView();
1136         const bool clearSelection = !hasSelection();
1137         view->setCurrentIndex(proxyIndex);
1138         if (clearSelection) {
1139             view->clearSelection();
1140         }
1141     }
1142 }
1143
1144 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1145 {
1146     if (!url.isValid()) {
1147         const QString location(url.pathOrUrl());
1148         if (location.isEmpty()) {
1149             emit errorMessage(i18nc("@info:status", "The location is empty."));
1150         } else {
1151             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1152         }
1153         return;
1154     }
1155
1156     m_loadingDirectory = true;
1157
1158     m_dirLister->stop();
1159     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1160
1161     if (isColumnViewActive()) {
1162         // adjusting the directory lister is not enough in the case of the
1163         // column view, as each column has its own directory lister internally...
1164         if (reload) {
1165             m_columnView->reload();
1166         } else {
1167             m_columnView->showColumn(url);
1168         }
1169     }
1170 }
1171
1172 KUrl DolphinView::viewPropertiesUrl() const
1173 {
1174     if (isColumnViewActive()) {
1175         return m_columnView->rootUrl();
1176     }
1177
1178     return url();
1179 }
1180
1181 void DolphinView::applyViewProperties(const KUrl& url)
1182 {
1183     if (m_ignoreViewProperties) {
1184         return;
1185     }
1186
1187     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1188         // The column view is active, hence don't apply the view properties
1189         // of sub directories (represented by columns) to the view. The
1190         // view always represents the properties of the first column.
1191         return;
1192     }
1193
1194     const ViewProperties props(url);
1195
1196     const Mode mode = props.viewMode();
1197     if (m_mode != mode) {
1198         const int oldZoomLevel = m_controller->zoomLevel();
1199
1200         m_mode = mode;
1201         createView();
1202         emit modeChanged();
1203
1204         updateZoomLevel(oldZoomLevel);
1205     }
1206     if (itemView() == 0) {
1207         createView();
1208     }
1209     Q_ASSERT(itemView() != 0);
1210     Q_ASSERT(m_fileItemDelegate != 0);
1211
1212     const bool showHiddenFiles = props.showHiddenFiles();
1213     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1214         m_dirLister->setShowingDotFiles(showHiddenFiles);
1215         emit showHiddenFilesChanged();
1216     }
1217
1218     m_storedCategorizedSorting = props.categorizedSorting();
1219     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1220     if (categorized != m_proxyModel->isCategorizedModel()) {
1221         m_proxyModel->setCategorizedModel(categorized);
1222         emit categorizedSortingChanged();
1223     }
1224
1225     const DolphinView::Sorting sorting = props.sorting();
1226     if (sorting != m_proxyModel->sorting()) {
1227         m_proxyModel->setSorting(sorting);
1228         emit sortingChanged(sorting);
1229     }
1230
1231     const Qt::SortOrder sortOrder = props.sortOrder();
1232     if (sortOrder != m_proxyModel->sortOrder()) {
1233         m_proxyModel->setSortOrder(sortOrder);
1234         emit sortOrderChanged(sortOrder);
1235     }
1236
1237     KFileItemDelegate::InformationList info = props.additionalInfo();
1238     if (info != m_fileItemDelegate->showInformation()) {
1239         m_fileItemDelegate->setShowInformation(info);
1240         emit additionalInfoChanged();
1241     }
1242
1243     const bool showPreview = props.showPreview();
1244     if (showPreview != m_showPreview) {
1245         m_showPreview = showPreview;
1246         m_previewGenerator->setPreviewShown(showPreview);
1247
1248         const int oldZoomLevel = m_controller->zoomLevel();
1249         emit showPreviewChanged();
1250
1251         // Enabling or disabling the preview might change the icon size of the view.
1252         // As the view does not emit a signal when the icon size has been changed,
1253         // the used zoom level of the controller must be adjusted manually:
1254         updateZoomLevel(oldZoomLevel);
1255     }
1256
1257     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1258         // During the lifetime of a DolphinView instance the global view properties
1259         // should not be changed. This allows e. g. to split a view and use different
1260         // view properties for each view.
1261         m_ignoreViewProperties = true;
1262     }
1263 }
1264
1265 void DolphinView::createView()
1266 {
1267     deleteView();
1268     Q_ASSERT(m_iconsView == 0);
1269     Q_ASSERT(m_detailsView == 0);
1270     Q_ASSERT(m_columnView == 0);
1271
1272     QAbstractItemView* view = 0;
1273     switch (m_mode) {
1274     case IconsView: {
1275         m_iconsView = new DolphinIconsView(this, m_controller);
1276         view = m_iconsView;
1277         break;
1278     }
1279
1280     case DetailsView:
1281         m_detailsView = new DolphinDetailsView(this, m_controller);
1282         view = m_detailsView;
1283         break;
1284
1285     case ColumnView:
1286         m_columnView = new DolphinColumnView(this, m_controller);
1287         view = m_columnView;
1288         break;
1289     }
1290
1291     Q_ASSERT(view != 0);
1292     view->installEventFilter(this);
1293     view->viewport()->installEventFilter(this);
1294     setFocusProxy(view);
1295
1296     if (m_mode != ColumnView) {
1297         // Give the view the ability to auto-expand its directories on hovering
1298         // (the column view takes care about this itself). If the details view
1299         // uses expandable folders, the auto-expanding should be used always.
1300         DolphinSettings& settings = DolphinSettings::instance();
1301         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1302                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1303
1304         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1305         folderExpander->setEnabled(enabled);
1306         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1307                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1308     }
1309     else {
1310         // Listen out for requests to delete the current column.
1311         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1312                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1313     }
1314
1315     m_controller->setItemView(view);
1316
1317     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1318     m_fileItemDelegate->setShowToolTipWhenElided(false);
1319     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1320     view->setItemDelegate(m_fileItemDelegate);
1321
1322     view->setModel(m_proxyModel);
1323     if (m_selectionModel != 0) {
1324         view->setSelectionModel(m_selectionModel);
1325     } else {
1326         m_selectionModel = view->selectionModel();
1327     }
1328
1329     // reparent the selection model, as it should not be deleted
1330     // when deleting the model
1331     m_selectionModel->setParent(this);
1332
1333     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1334
1335     m_previewGenerator = new KFilePreviewGenerator(view);
1336     m_previewGenerator->setPreviewShown(m_showPreview);
1337
1338     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1339         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1340         connect(m_controller, SIGNAL(hideToolTip()),
1341                 m_toolTipManager, SLOT(hideTip()));
1342     }
1343
1344     m_topLayout->insertWidget(1, view);
1345
1346     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1347             this, SLOT(emitSelectionChangedSignal()));
1348     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1349             this, SLOT(emitContentsMoved()));
1350     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1351             this, SLOT(emitContentsMoved()));
1352 }
1353
1354 void DolphinView::deleteView()
1355 {
1356     QAbstractItemView* view = itemView();
1357     if (view != 0) {
1358         // It's important to set the keyboard focus to the parent
1359         // before deleting the view: Otherwise when having a split
1360         // view the other view will get the focus and will request
1361         // an activation (see DolphinView::eventFilter()).
1362         setFocusProxy(0);
1363         setFocus();
1364
1365         m_topLayout->removeWidget(view);
1366         view->close();
1367
1368         // m_previewGenerator's parent is not always destroyed, and we
1369         // don't want two active at once - manually delete.
1370         delete m_previewGenerator;
1371         m_previewGenerator = 0;
1372
1373         disconnect(view);
1374         m_controller->disconnect(view);
1375         view->disconnect();
1376
1377         deleteWhenNotDragSource(view);
1378         view = 0;
1379
1380         m_iconsView = 0;
1381         m_detailsView = 0;
1382         m_columnView = 0;
1383         m_fileItemDelegate = 0;
1384         m_toolTipManager = 0;
1385     }
1386 }
1387
1388 QAbstractItemView* DolphinView::itemView() const
1389 {
1390     if (m_detailsView != 0) {
1391         return m_detailsView;
1392     } else if (m_columnView != 0) {
1393         return m_columnView;
1394     }
1395
1396     return m_iconsView;
1397 }
1398
1399 bool DolphinView::isCutItem(const KFileItem& item) const
1400 {
1401     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1402     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1403
1404     const KUrl& itemUrl = item.url();
1405     KUrl::List::const_iterator it = cutUrls.begin();
1406     const KUrl::List::const_iterator end = cutUrls.end();
1407     while (it != end) {
1408         if (*it == itemUrl) {
1409             return true;
1410         }
1411         ++it;
1412     }
1413
1414     return false;
1415 }
1416
1417 void DolphinView::pasteToUrl(const KUrl& url)
1418 {
1419     QClipboard* clipboard = QApplication::clipboard();
1420     const QMimeData* mimeData = clipboard->mimeData();
1421
1422     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1423     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1424         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, url);
1425         clipboard->clear();
1426     } else {
1427         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, url);
1428     }
1429 }
1430
1431 void DolphinView::updateZoomLevel(int oldZoomLevel)
1432 {
1433     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1434     if (oldZoomLevel != newZoomLevel) {
1435         m_controller->setZoomLevel(newZoomLevel);
1436         emit zoomLevelChanged(newZoomLevel);
1437     }
1438 }
1439
1440 KUrl::List DolphinView::simplifiedSelectedUrls() const
1441 {
1442     KUrl::List list = selectedUrls();
1443     if (itemsExpandable() ) {
1444         list = KDirModel::simplifiedUrlList(list);
1445     }
1446     return list;
1447 }
1448
1449 QMimeData* DolphinView::selectionMimeData() const
1450 {
1451     if (isColumnViewActive()) {
1452         return m_columnView->selectionMimeData();
1453     }
1454
1455     const QAbstractItemView* view = itemView();
1456     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1457     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1458     return m_dolphinModel->mimeData(selection.indexes());
1459 }
1460
1461 #include "dolphinview.moc"