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