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 "dolphindetailsview.h"
  56 #include "dolphinfileitemdelegate.h"
  57 #include "dolphinnewmenuobserver.h"
  58 #include "dolphinsortfilterproxymodel.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphiniconsview.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 "settings/dolphinsettings.h"
  67 #include "viewproperties.h"
  68 #include "zoomlevelinfo.h"
  69
  70 /**
  71  * Helper function for sorting items with qSort() in
  72  * DolphinView::renameSelectedItems().
  73  */
  74 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  75 {
  76     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  77 }
  78
  79 DolphinView::DolphinView(QWidget* parent,
  80                          const KUrl& url,
  81                          KDirLister* dirLister,
  82                          DolphinModel* dolphinModel,
  83                          DolphinSortFilterProxyModel* proxyModel) :
  84     QWidget(parent),
  85     m_active(true),
  86     m_showPreview(false),
  87     m_loadingDirectory(false),
  88     m_storedCategorizedSorting(false),
  89     m_tabsForFiles(false),
  90     m_isContextMenuOpen(false),
  91     m_ignoreViewProperties(false),
  92     m_assureVisibleCurrentIndex(false),
  93     m_mode(DolphinView::IconsView),
  94     m_topLayout(0),
  95     m_controller(0),
  96     m_iconsView(0),
  97     m_detailsView(0),
  98     m_columnView(0),
  99     m_fileItemDelegate(0),
 100     m_selectionModel(0),
 101     m_dolphinModel(dolphinModel),
 102     m_dirLister(dirLister),
 103     m_proxyModel(proxyModel),
 104     m_previewGenerator(0),
 105     m_toolTipManager(0),
 106     m_rootUrl(),
 107     m_currentItemUrl(),
 108     m_createdItemUrl(),
 109     m_selectedItems(),
 110     m_expandedDragSource(0)
 111 {
 112     m_topLayout = new QVBoxLayout(this);
 113     m_topLayout->setSpacing(0);
 114     m_topLayout->setMargin(0);
 115
 116     m_controller = new DolphinController(this);
 117     m_controller->setUrl(url);
 118
 119     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 120             this, SIGNAL(urlChanged(const KUrl&)));
 121     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 122             this, SLOT(slotRequestUrlChange(const KUrl&)));
 123
 124     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 125             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 126     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 127             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 128     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 129             this, SLOT(updateSorting(DolphinView::Sorting)));
 130     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 131             this, SLOT(updateSortOrder(Qt::SortOrder)));
 132     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 133             this, SLOT(updateSortFoldersFirst(bool)));
 134     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 135             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 136     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 137             this, SLOT(triggerItem(const KFileItem&)));
 138     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 139             this, SIGNAL(tabRequested(const KUrl&)));
 140     connect(m_controller, SIGNAL(activated()),
 141             this, SLOT(activate()));
 142     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 143             this, SLOT(showHoverInformation(const KFileItem&)));
 144     connect(m_controller, SIGNAL(viewportEntered()),
 145             this, SLOT(clearHoverInformation()));
 146
 147     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 148             this, SIGNAL(redirection(KUrl, KUrl)));
 149     connect(m_dirLister, SIGNAL(completed()),
 150             this, SLOT(restoreCurrentItem()));
 151     connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 152             this, SLOT(slotRefreshItems()));
 153
 154     // When a new item has been created by the "Create New..." menu, the item should
 155     // get selected and it must be assured that the item will get visible. As the
 156     // creation is done asynchronously, several signals must be checked:
 157     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 158             this, SLOT(observeCreatedItem(const KUrl&)));
 159
 160     applyViewProperties(url);
 161     m_topLayout->addWidget(itemView());
 162 }
 163
 164 DolphinView::~DolphinView()
 165 {
 166     delete m_expandedDragSource;
 167     m_expandedDragSource = 0;
 168 }
 169
 170 const KUrl& DolphinView::url() const
 171 {
 172     return m_controller->url();
 173 }
 174
 175 KUrl DolphinView::rootUrl() const
 176 {
 177     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 178 }
 179
 180 void DolphinView::setActive(bool active)
 181 {
 182     if (active == m_active) {
 183         return;
 184     }
 185
 186     m_active = active;
 187
 188     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 189     if (active) {
 190         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 191         // bypasses the problem when having a split view and changing the active view to
 192         // update the some URL dependent states. A nicer approach should be no big deal...
 193         emit urlChanged(url());
 194         emit selectionChanged(selectedItems());
 195     } else {
 196         color.setAlpha(150);
 197     }
 198
 199     QWidget* viewport = itemView()->viewport();
 200     QPalette palette;
 201     palette.setColor(viewport->backgroundRole(), color);
 202     viewport->setPalette(palette);
 203
 204     update();
 205
 206     if (active) {
 207         itemView()->setFocus();
 208         emit activated();
 209     }
 210
 211     m_controller->indicateActivationChange(active);
 212 }
 213
 214 bool DolphinView::isActive() const
 215 {
 216     return m_active;
 217 }
 218
 219 void DolphinView::setMode(Mode mode)
 220 {
 221     if (mode == m_mode) {
 222         return; // the wished mode is already set
 223     }
 224
 225     const int oldZoomLevel = m_controller->zoomLevel();
 226     m_mode = mode;
 227
 228     deleteView();
 229
 230     const KUrl viewPropsUrl = viewPropertiesUrl();
 231     ViewProperties props(viewPropsUrl);
 232     props.setViewMode(m_mode);
 233     createView();
 234
 235     // the file item delegate has been recreated, apply the current
 236     // additional information manually
 237     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 238     m_fileItemDelegate->setShowInformation(infoList);
 239     emit additionalInfoChanged();
 240
 241     // Not all view modes support categorized sorting. Adjust the sorting model
 242     // if changing the view mode results in a change of the categorized sorting
 243     // capabilities.
 244     m_storedCategorizedSorting = props.categorizedSorting();
 245     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 246     if (categorized != m_proxyModel->isCategorizedModel()) {
 247         m_proxyModel->setCategorizedModel(categorized);
 248         emit categorizedSortingChanged();
 249     }
 250
 251     emit modeChanged();
 252
 253     updateZoomLevel(oldZoomLevel);
 254     if (m_showPreview) {
 255         loadDirectory(viewPropsUrl);
 256     }
 257 }
 258
 259 DolphinView::Mode DolphinView::mode() const
 260 {
 261     return m_mode;
 262 }
 263
 264 bool DolphinView::showPreview() const
 265 {
 266     return m_showPreview;
 267 }
 268
 269 bool DolphinView::showHiddenFiles() const
 270 {
 271     return m_dirLister->showingDotFiles();
 272 }
 273
 274 bool DolphinView::categorizedSorting() const
 275 {
 276     // If all view modes would support categorized sorting, returning
 277     // m_proxyModel->isCategorizedModel() would be the way to go. As
 278     // currently only the icons view supports caterized sorting, we remember
 279     // the stored view properties state in m_storedCategorizedSorting and
 280     // return this state. The application takes care to disable the corresponding
 281     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 282     // that this setting is not applied to the current view mode.
 283     return m_storedCategorizedSorting;
 284 }
 285
 286 bool DolphinView::supportsCategorizedSorting() const
 287 {
 288     return m_iconsView != 0;
 289 }
 290
 291 void DolphinView::selectAll()
 292 {
 293     QAbstractItemView* view = itemView();
 294     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 295     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 296     // selection instead of selecting all items. This is bypassed for KDE 4.0
 297     // by invoking clearSelection() first.
 298     view->clearSelection();
 299     view->selectAll();
 300 }
 301
 302 void DolphinView::invertSelection()
 303 {
 304     if (isColumnViewActive()) {
 305         // QAbstractItemView does not offer a virtual method invertSelection()
 306         // as counterpart to QAbstractItemView::selectAll(). This makes it
 307         // necessary to delegate the inverting of the selection to the
 308         // column view, as only the selection of the active column should
 309         // get inverted.
 310         m_columnView->invertSelection();
 311     } else {
 312         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 313         const QAbstractItemModel* itemModel = selectionModel->model();
 314
 315         const QModelIndex topLeft = itemModel->index(0, 0);
 316         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 317                                                          itemModel->columnCount() - 1);
 318
 319         const QItemSelection selection(topLeft, bottomRight);
 320         selectionModel->select(selection, QItemSelectionModel::Toggle);
 321     }
 322 }
 323
 324 bool DolphinView::hasSelection() const
 325 {
 326     return itemView()->selectionModel()->hasSelection();
 327 }
 328
 329 void DolphinView::clearSelection()
 330 {
 331     QItemSelectionModel* selModel = itemView()->selectionModel();
 332     const QModelIndex currentIndex = selModel->currentIndex();
 333     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 334                                             QItemSelectionModel::Clear);
 335 }
 336
 337 KFileItemList DolphinView::selectedItems() const
 338 {
 339     if (isColumnViewActive()) {
 340         return m_columnView->selectedItems();
 341     }
 342
 343     const QAbstractItemView* view = itemView();
 344
 345     // Our view has a selection, we will map them back to the DolphinModel
 346     // and then fill the KFileItemList.
 347     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 348
 349     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 350     KFileItemList itemList;
 351
 352     const QModelIndexList indexList = selection.indexes();
 353     foreach (const QModelIndex &index, indexList) {
 354         KFileItem item = m_dolphinModel->itemForIndex(index);
 355         if (!item.isNull()) {
 356             itemList.append(item);
 357         }
 358     }
 359
 360     return itemList;
 361 }
 362
 363 KUrl::List DolphinView::selectedUrls() const
 364 {
 365     KUrl::List urls;
 366     const KFileItemList list = selectedItems();
 367     foreach (const KFileItem &item, list) {
 368         urls.append(item.url());
 369     }
 370     return urls;
 371 }
 372
 373 int DolphinView::selectedItemsCount() const
 374 {
 375     if (isColumnViewActive()) {
 376         // TODO: get rid of this special case by adjusting the dir lister
 377         // to the current column
 378         return m_columnView->selectedItems().count();
 379     }
 380
 381     return itemView()->selectionModel()->selection().count();
 382 }
 383
 384 void DolphinView::setContentsPosition(int x, int y)
 385 {
 386     QAbstractItemView* view = itemView();
 387
 388     // the ColumnView takes care itself for the horizontal scrolling
 389     if (!isColumnViewActive()) {
 390         view->horizontalScrollBar()->setValue(x);
 391     }
 392     view->verticalScrollBar()->setValue(y);
 393
 394     m_loadingDirectory = false;
 395 }
 396
 397 QPoint DolphinView::contentsPosition() const
 398 {
 399     const int x = itemView()->horizontalScrollBar()->value();
 400     const int y = itemView()->verticalScrollBar()->value();
 401     return QPoint(x, y);
 402 }
 403
 404 void DolphinView::setZoomLevel(int level)
 405 {
 406     if (level < ZoomLevelInfo::minimumLevel()) {
 407         level = ZoomLevelInfo::minimumLevel();
 408     } else if (level > ZoomLevelInfo::maximumLevel()) {
 409         level = ZoomLevelInfo::maximumLevel();
 410     }
 411
 412     if (level != zoomLevel()) {
 413         m_controller->setZoomLevel(level);
 414         m_previewGenerator->updateIcons();
 415         emit zoomLevelChanged(level);
 416     }
 417 }
 418
 419 int DolphinView::zoomLevel() const
 420 {
 421     return m_controller->zoomLevel();
 422 }
 423
 424 void DolphinView::setSorting(Sorting sorting)
 425 {
 426     if (sorting != this->sorting()) {
 427         updateSorting(sorting);
 428     }
 429 }
 430
 431 DolphinView::Sorting DolphinView::sorting() const
 432 {
 433     return m_proxyModel->sorting();
 434 }
 435
 436 void DolphinView::setSortOrder(Qt::SortOrder order)
 437 {
 438     if (sortOrder() != order) {
 439         updateSortOrder(order);
 440     }
 441 }
 442
 443 Qt::SortOrder DolphinView::sortOrder() const
 444 {
 445     return m_proxyModel->sortOrder();
 446 }
 447
 448 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 449 {
 450     if (sortFoldersFirst() != foldersFirst) {
 451         updateSortFoldersFirst(foldersFirst);
 452     }
 453 }
 454
 455 bool DolphinView::sortFoldersFirst() const
 456 {
 457     return m_proxyModel->sortFoldersFirst();
 458 }
 459
 460 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 461 {
 462     const KUrl viewPropsUrl = viewPropertiesUrl();
 463     ViewProperties props(viewPropsUrl);
 464     props.setAdditionalInfo(info);
 465     m_fileItemDelegate->setShowInformation(info);
 466
 467     emit additionalInfoChanged();
 468
 469     if (itemView() != m_detailsView) {
 470         // the details view requires no reloading of the directory, as it maps
 471         // the file item delegate info to its columns internally
 472         loadDirectory(viewPropsUrl);
 473     }
 474 }
 475
 476 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 477 {
 478     return m_fileItemDelegate->showInformation();
 479 }
 480
 481 void DolphinView::reload()
 482 {
 483     setUrl(url());
 484     loadDirectory(url(), true);
 485 }
 486
 487 void DolphinView::refresh()
 488 {
 489     m_ignoreViewProperties = false;
 490
 491     const bool oldActivationState = m_active;
 492     const int oldZoomLevel = m_controller->zoomLevel();
 493     m_active = true;
 494
 495     createView();
 496     applyViewProperties(m_controller->url());
 497     reload();
 498
 499     setActive(oldActivationState);
 500     updateZoomLevel(oldZoomLevel);
 501 }
 502
 503 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 504 {
 505     if (m_controller->url() == url) {
 506         return;
 507     }
 508
 509     m_previewGenerator->cancelPreviews();
 510     m_controller->setUrl(url); // emits urlChanged, which we forward
 511
 512     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 513         applyViewProperties(rootUrl);
 514         loadDirectory(rootUrl);
 515         if (itemView() == m_columnView) {
 516             m_columnView->setRootUrl(rootUrl);
 517             m_columnView->showColumn(url);
 518         }
 519     } else {
 520         applyViewProperties(url);
 521         loadDirectory(url);
 522     }
 523
 524     emit startedPathLoading(url);
 525 }
 526
 527 void DolphinView::setNameFilter(const QString& nameFilter)
 528 {
 529     m_proxyModel->setFilterRegExp(nameFilter);
 530
 531     if (isColumnViewActive()) {
 532         // adjusting the directory lister is not enough in the case of the
 533         // column view, as each column has its own directory lister internally...
 534         m_columnView->setNameFilter(nameFilter);
 535     }
 536 }
 537
 538 void DolphinView::calculateItemCount(int& fileCount,
 539                                      int& folderCount,
 540                                      KIO::filesize_t& totalFileSize) const
 541 {
 542     foreach (const KFileItem& item, m_dirLister->items()) {
 543         if (item.isDir()) {
 544             ++folderCount;
 545         } else {
 546             ++fileCount;
 547             totalFileSize += item.size();
 548         }
 549     }
 550 }
 551
 552 QString DolphinView::statusBarText() const
 553 {
 554     QString text;
 555     int folderCount = 0;
 556     int fileCount = 0;
 557     KIO::filesize_t totalFileSize = 0;
 558
 559     if (hasSelection()) {
 560         // give a summary of the status of the selected files
 561         const KFileItemList list = selectedItems();
 562         if (list.isEmpty()) {
 563             // when an item is triggered, it is temporary selected but selectedItems()
 564             // will return an empty list
 565             return text;
 566         }
 567
 568         KFileItemList::const_iterator it = list.begin();
 569         const KFileItemList::const_iterator end = list.end();
 570         while (it != end) {
 571             const KFileItem& item = *it;
 572             if (item.isDir()) {
 573                 ++folderCount;
 574             } else {
 575                 ++fileCount;
 576                 totalFileSize += item.size();
 577             }
 578             ++it;
 579         }
 580
 581         if (folderCount + fileCount == 1) {
 582             // if only one item is selected, show the filename
 583             const QString name = list.first().name();
 584             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 585                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 586                                               name, KIO::convertSize(totalFileSize));
 587         } else {
 588             // at least 2 items are selected
 589             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 590             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 591             if ((folderCount > 0) && (fileCount > 0)) {
 592                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 593                              foldersText, filesText, KIO::convertSize(totalFileSize));
 594             } else if (fileCount > 0) {
 595                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 596             } else {
 597                 Q_ASSERT(folderCount > 0);
 598                 text = foldersText;
 599             }
 600         }
 601     } else {
 602         calculateItemCount(fileCount, folderCount, totalFileSize);
 603         text = KIO::itemsSummaryString(fileCount + folderCount,
 604                                        fileCount, folderCount,
 605                                        totalFileSize, true);
 606     }
 607
 608     return text;
 609 }
 610
 611 void DolphinView::setUrl(const KUrl& url)
 612 {
 613     // remember current item candidate (see restoreCurrentItem())
 614     m_currentItemUrl = url;
 615     updateView(url, KUrl());
 616 }
 617
 618 void DolphinView::changeSelection(const KFileItemList& selection)
 619 {
 620     clearSelection();
 621     if (selection.isEmpty()) {
 622         return;
 623     }
 624     const KUrl& baseUrl = url();
 625     KUrl url;
 626     QItemSelection newSelection;
 627     foreach(const KFileItem& item, selection) {
 628         url = item.url().upUrl();
 629         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 630             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 631             newSelection.select(index, index);
 632         }
 633     }
 634     itemView()->selectionModel()->select(newSelection,
 635                                          QItemSelectionModel::ClearAndSelect
 636                                          | QItemSelectionModel::Current);
 637 }
 638
 639 void DolphinView::renameSelectedItems()
 640 {
 641     KFileItemList items = selectedItems();
 642     const int itemCount = items.count();
 643     if (itemCount < 1) {
 644         return;
 645     }
 646
 647     if (itemCount > 1) {
 648         // More than one item has been selected for renaming. Open
 649         // a rename dialog and rename all items afterwards.
 650         RenameDialog dialog(this, items);
 651         if (dialog.exec() == QDialog::Rejected) {
 652             return;
 653         }
 654
 655         const QString newName = dialog.newName();
 656         if (newName.isEmpty()) {
 657             emit errorMessage(dialog.errorString());
 658             return;
 659         }
 660
 661         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 662         // as one operation instead of n rename operations like it is done now...
 663         Q_ASSERT(newName.contains('#'));
 664
 665         // currently the items are sorted by the selection order, resort
 666         // them by the file name
 667         qSort(items.begin(), items.end(), lessThan);
 668
 669         // iterate through all selected items and rename them...
 670         int index = 1;
 671         foreach (const KFileItem& item, items) {
 672             const KUrl& oldUrl = item.url();
 673             QString number;
 674             number.setNum(index++);
 675
 676             QString name = newName;
 677             name.replace('#', number);
 678
 679             if (oldUrl.fileName() != name) {
 680                 KUrl newUrl = oldUrl;
 681                 newUrl.setFileName(name);
 682                 KonqOperations::rename(this, oldUrl, newUrl);
 683             }
 684         }
 685     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 686         Q_ASSERT(itemCount == 1);
 687
 688         if (isColumnViewActive()) {
 689             m_columnView->editItem(items.first());
 690         } else {
 691             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 692             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 693             itemView()->edit(proxyIndex);
 694         }
 695     } else {
 696         Q_ASSERT(itemCount == 1);
 697
 698         RenameDialog dialog(this, items);
 699         if (dialog.exec() == QDialog::Rejected) {
 700             return;
 701         }
 702
 703         const QString& newName = dialog.newName();
 704         if (newName.isEmpty()) {
 705             emit errorMessage(dialog.errorString());
 706             return;
 707         }
 708
 709         const KUrl& oldUrl = items.first().url();
 710         KUrl newUrl = oldUrl;
 711         newUrl.setFileName(newName);
 712         KonqOperations::rename(this, oldUrl, newUrl);
 713     }
 714
 715     // assure that the current index remains visible when KDirLister
 716     // will notify the view about changed items
 717     m_assureVisibleCurrentIndex = true;
 718 }
 719
 720 void DolphinView::trashSelectedItems()
 721 {
 722     const KUrl::List list = simplifiedSelectedUrls();
 723     KonqOperations::del(this, KonqOperations::TRASH, list);
 724 }
 725
 726 void DolphinView::deleteSelectedItems()
 727 {
 728     const KUrl::List list = simplifiedSelectedUrls();
 729     const bool del = KonqOperations::askDeleteConfirmation(list,
 730                      KonqOperations::DEL,
 731                      KonqOperations::DEFAULT_CONFIRMATION,
 732                      this);
 733
 734     if (del) {
 735         KIO::Job* job = KIO::del(list);
 736         connect(job, SIGNAL(result(KJob*)),
 737                 this, SLOT(slotDeleteFileFinished(KJob*)));
 738     }
 739 }
 740
 741 void DolphinView::cutSelectedItems()
 742 {
 743     QMimeData* mimeData = selectionMimeData();
 744     KonqMimeData::addIsCutSelection(mimeData, true);
 745     QApplication::clipboard()->setMimeData(mimeData);
 746 }
 747
 748 void DolphinView::copySelectedItems()
 749 {
 750     QMimeData* mimeData = selectionMimeData();
 751     QApplication::clipboard()->setMimeData(mimeData);
 752 }
 753
 754 void DolphinView::paste()
 755 {
 756     pasteToUrl(url());
 757 }
 758
 759 void DolphinView::pasteIntoFolder()
 760 {
 761     const KFileItemList items = selectedItems();
 762     if ((items.count() == 1) && items.first().isDir()) {
 763         pasteToUrl(items.first().url());
 764     }
 765 }
 766
 767 void DolphinView::setShowPreview(bool show)
 768 {
 769     if (m_showPreview == show) {
 770         return;
 771     }
 772
 773     const KUrl viewPropsUrl = viewPropertiesUrl();
 774     ViewProperties props(viewPropsUrl);
 775     props.setShowPreview(show);
 776
 777     m_showPreview = show;
 778     m_previewGenerator->setPreviewShown(show);
 779
 780     const int oldZoomLevel = m_controller->zoomLevel();
 781     emit showPreviewChanged();
 782
 783     // Enabling or disabling the preview might change the icon size of the view.
 784     // As the view does not emit a signal when the icon size has been changed,
 785     // the used zoom level of the controller must be adjusted manually:
 786     updateZoomLevel(oldZoomLevel);
 787
 788     loadDirectory(viewPropsUrl);
 789 }
 790
 791 void DolphinView::setShowHiddenFiles(bool show)
 792 {
 793     if (m_dirLister->showingDotFiles() == show) {
 794         return;
 795     }
 796
 797     const KUrl viewPropsUrl = viewPropertiesUrl();
 798     ViewProperties props(viewPropsUrl);
 799     props.setShowHiddenFiles(show);
 800
 801     m_dirLister->setShowingDotFiles(show);
 802     emit showHiddenFilesChanged();
 803
 804     loadDirectory(viewPropsUrl);
 805 }
 806
 807 void DolphinView::setCategorizedSorting(bool categorized)
 808 {
 809     if (categorized == categorizedSorting()) {
 810         return;
 811     }
 812
 813     // setCategorizedSorting(true) may only get invoked
 814     // if the view supports categorized sorting
 815     Q_ASSERT(!categorized || supportsCategorizedSorting());
 816
 817     ViewProperties props(viewPropertiesUrl());
 818     props.setCategorizedSorting(categorized);
 819     props.save();
 820
 821     m_storedCategorizedSorting = categorized;
 822     m_proxyModel->setCategorizedModel(categorized);
 823
 824     emit categorizedSortingChanged();
 825 }
 826
 827 void DolphinView::toggleSortOrder()
 828 {
 829     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 830                                 Qt::DescendingOrder :
 831                                 Qt::AscendingOrder;
 832     setSortOrder(order);
 833 }
 834
 835 void DolphinView::toggleSortFoldersFirst()
 836 {
 837     setSortFoldersFirst(!sortFoldersFirst());
 838 }
 839
 840 void DolphinView::toggleAdditionalInfo(QAction* action)
 841 {
 842     const KFileItemDelegate::Information info =
 843         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 844
 845     KFileItemDelegate::InformationList list = additionalInfo();
 846
 847     const bool show = action->isChecked();
 848
 849     const int index = list.indexOf(info);
 850     const bool containsInfo = (index >= 0);
 851     if (show && !containsInfo) {
 852         list.append(info);
 853         setAdditionalInfo(list);
 854     } else if (!show && containsInfo) {
 855         list.removeAt(index);
 856         setAdditionalInfo(list);
 857         Q_ASSERT(list.indexOf(info) < 0);
 858     }
 859 }
 860
 861 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 862 {
 863     QWidget::mouseReleaseEvent(event);
 864     setActive(true);
 865 }
 866
 867 void DolphinView::wheelEvent(QWheelEvent* event)
 868 {
 869     if (event->modifiers() & Qt::ControlModifier) {
 870         const int delta = event->delta();
 871         const int level = zoomLevel();
 872         if (delta > 0) {
 873             setZoomLevel(level + 1);
 874         } else if (delta < 0) {
 875             setZoomLevel(level - 1);
 876         }
 877         event->accept();
 878     }
 879 }
 880
 881 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 882 {
 883     switch (event->type()) {
 884     case QEvent::FocusIn:
 885         if (watched == itemView()) {
 886             m_controller->requestActivation();
 887         }
 888         break;
 889
 890     case QEvent::MouseButtonPress:
 891         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 892             // Listening to a mousebutton press event to delete expanded views is a
 893             // workaround, as it seems impossible for the FolderExpander to know when
 894             // a dragging outside a view has been finished. However it works quite well:
 895             // A mousebutton press event indicates that a drag operation must be
 896             // finished already.
 897             m_expandedDragSource->deleteLater();
 898             m_expandedDragSource = 0;
 899         }
 900         break;
 901
 902     case QEvent::DragEnter:
 903         if (watched == itemView()->viewport()) {
 904             setActive(true);
 905         }
 906         break;
 907
 908     case QEvent::KeyPress:
 909         if (watched == itemView()) {
 910             if (m_toolTipManager != 0) {
 911                 m_toolTipManager->hideTip();
 912             }
 913
 914             // clear the selection when Escape has been pressed
 915             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 916             if (keyEvent->key() == Qt::Key_Escape) {
 917                 clearSelection();
 918             }
 919         }
 920         break;
 921
 922     default:
 923         break;
 924     }
 925
 926     return QWidget::eventFilter(watched, event);
 927 }
 928
 929 void DolphinView::activate()
 930 {
 931     setActive(true);
 932 }
 933
 934 void DolphinView::triggerItem(const KFileItem& item)
 935 {
 936     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 937     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 938         // items are selected by the user, hence don't trigger the
 939         // item specified by 'index'
 940         return;
 941     }
 942
 943     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 944     if (item.isNull() || m_isContextMenuOpen) {
 945         return;
 946     }
 947
 948     if (m_toolTipManager != 0) {
 949         m_toolTipManager->hideTip();
 950     }
 951     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 952 }
 953
 954 void DolphinView::emitSelectionChangedSignal()
 955 {
 956     emit selectionChanged(DolphinView::selectedItems());
 957 }
 958
 959 void DolphinView::openContextMenu(const QPoint& pos,
 960                                   const QList<QAction*>& customActions)
 961 {
 962     KFileItem item;
 963     if (isColumnViewActive()) {
 964         item = m_columnView->itemAt(pos);
 965     } else {
 966         const QModelIndex index = itemView()->indexAt(pos);
 967         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 968             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 969             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 970         }
 971     }
 972
 973     if (m_toolTipManager != 0) {
 974         m_toolTipManager->hideTip();
 975     }
 976
 977     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 978     emit requestContextMenu(item, url(), customActions);
 979     m_isContextMenuOpen = false;
 980 }
 981
 982 void DolphinView::dropUrls(const KFileItem& destItem,
 983                            const KUrl& destPath,
 984                            QDropEvent* event)
 985 {
 986     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 987 }
 988
 989 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 990 {
 991     ViewProperties props(viewPropertiesUrl());
 992     props.setSorting(sorting);
 993
 994     m_proxyModel->setSorting(sorting);
 995
 996     emit sortingChanged(sorting);
 997 }
 998
 999 void DolphinView::updateSortOrder(Qt::SortOrder order)
1000 {
1001     ViewProperties props(viewPropertiesUrl());
1002     props.setSortOrder(order);
1003
1004     m_proxyModel->setSortOrder(order);
1005
1006     emit sortOrderChanged(order);
1007 }
1008
1009 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1010 {
1011     ViewProperties props(viewPropertiesUrl());
1012     props.setSortFoldersFirst(foldersFirst);
1013
1014     m_proxyModel->setSortFoldersFirst(foldersFirst);
1015
1016     emit sortFoldersFirstChanged(foldersFirst);
1017 }
1018
1019 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1020 {
1021     ViewProperties props(viewPropertiesUrl());
1022     props.setAdditionalInfo(info);
1023     props.save();
1024
1025     m_fileItemDelegate->setShowInformation(info);
1026
1027     emit additionalInfoChanged();
1028 }
1029
1030 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1031 {
1032     const bool enable = (m_mode == DolphinView::DetailsView) ||
1033                         (m_mode == DolphinView::IconsView);
1034
1035     QAction* showSizeInfo = collection->action("show_size_info");
1036     QAction* showDateInfo = collection->action("show_date_info");
1037     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1038     QAction* showOwnerInfo = collection->action("show_owner_info");
1039     QAction* showGroupInfo = collection->action("show_group_info");
1040     QAction* showMimeInfo = collection->action("show_mime_info");
1041
1042     showSizeInfo->setChecked(false);
1043     showDateInfo->setChecked(false);
1044     showPermissionsInfo->setChecked(false);
1045     showOwnerInfo->setChecked(false);
1046     showGroupInfo->setChecked(false);
1047     showMimeInfo->setChecked(false);
1048
1049     showSizeInfo->setEnabled(enable);
1050     showDateInfo->setEnabled(enable);
1051     showPermissionsInfo->setEnabled(enable);
1052     showOwnerInfo->setEnabled(enable);
1053     showGroupInfo->setEnabled(enable);
1054     showMimeInfo->setEnabled(enable);
1055
1056     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1057         switch (info) {
1058         case KFileItemDelegate::Size:
1059             showSizeInfo->setChecked(true);
1060             break;
1061         case KFileItemDelegate::ModificationTime:
1062             showDateInfo->setChecked(true);
1063             break;
1064         case KFileItemDelegate::Permissions:
1065             showPermissionsInfo->setChecked(true);
1066             break;
1067         case KFileItemDelegate::Owner:
1068             showOwnerInfo->setChecked(true);
1069             break;
1070         case KFileItemDelegate::OwnerAndGroup:
1071             showGroupInfo->setChecked(true);
1072             break;
1073         case KFileItemDelegate::FriendlyMimeType:
1074             showMimeInfo->setChecked(true);
1075             break;
1076         default:
1077             break;
1078         }
1079     }
1080 }
1081
1082 QPair<bool, QString> DolphinView::pasteInfo() const
1083 {
1084     return KonqOperations::pasteInfo(url());
1085 }
1086
1087 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1088 {
1089     m_tabsForFiles = tabsForFiles;
1090 }
1091
1092 bool DolphinView::isTabsForFilesEnabled() const
1093 {
1094     return m_tabsForFiles;
1095 }
1096
1097 bool DolphinView::itemsExpandable() const
1098 {
1099     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1100 }
1101
1102 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1103 {
1104     if (view == 0)
1105         return;
1106
1107     if (DragAndDropHelper::instance().isDragSource(view)) {
1108         // We must store for later deletion.
1109         if (m_expandedDragSource != 0) {
1110             // The old stored view is obviously not the drag source anymore.
1111             m_expandedDragSource->deleteLater();
1112             m_expandedDragSource = 0;
1113         }
1114         view->hide();
1115         m_expandedDragSource = view;
1116     }
1117     else {
1118         view->deleteLater();
1119     }
1120 }
1121
1122 void DolphinView::observeCreatedItem(const KUrl& url)
1123 {
1124     m_createdItemUrl = url;
1125     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1126             this, SLOT(selectAndScrollToCreatedItem()));
1127 }
1128
1129 void DolphinView::selectAndScrollToCreatedItem()
1130 {
1131     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1132     if (dirIndex.isValid()) {
1133         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1134         itemView()->setCurrentIndex(proxyIndex);
1135     }
1136
1137     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1138                this, SLOT(selectAndScrollToCreatedItem()));
1139     m_createdItemUrl = KUrl();
1140 }
1141
1142 void DolphinView::restoreSelection()
1143 {
1144     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1145     changeSelection(m_selectedItems);
1146 }
1147
1148 void DolphinView::emitContentsMoved()
1149 {
1150     // only emit the contents moved signal if:
1151     // - no directory loading is ongoing (this would reset the contents position
1152     //   always to (0, 0))
1153     // - if the Column View is active: the column view does an automatic
1154     //   positioning during the loading operation, which must be remembered
1155     if (!m_loadingDirectory || isColumnViewActive()) {
1156         const QPoint pos(contentsPosition());
1157         emit contentsMoved(pos.x(), pos.y());
1158     }
1159 }
1160
1161 void DolphinView::showHoverInformation(const KFileItem& item)
1162 {
1163     emit requestItemInfo(item);
1164 }
1165
1166 void DolphinView::clearHoverInformation()
1167 {
1168     emit requestItemInfo(KFileItem());
1169 }
1170
1171 void DolphinView::slotDeleteFileFinished(KJob* job)
1172 {
1173     if (job->error() == 0) {
1174         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1175     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1176         emit errorMessage(job->errorString());
1177     }
1178 }
1179
1180 void DolphinView::slotRequestUrlChange(const KUrl& url)
1181 {
1182     emit requestUrlChange(url);
1183     m_controller->setUrl(url);
1184 }
1185
1186 void DolphinView::restoreCurrentItem()
1187 {
1188     if (!m_currentItemUrl.isEmpty()) {
1189         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1190         if (dirIndex.isValid()) {
1191             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1192             QAbstractItemView* view = itemView();
1193             const bool clearSelection = !hasSelection();
1194             view->setCurrentIndex(proxyIndex);
1195             if (clearSelection) {
1196                 view->clearSelection();
1197             }
1198         }
1199         m_currentItemUrl.clear();
1200     }
1201 }
1202
1203 void DolphinView::slotRefreshItems()
1204 {
1205     if (m_assureVisibleCurrentIndex) {
1206         m_assureVisibleCurrentIndex = false;
1207         itemView()->scrollTo(itemView()->currentIndex());
1208     }
1209 }
1210
1211 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1212 {
1213     if (!url.isValid()) {
1214         const QString location(url.pathOrUrl());
1215         if (location.isEmpty()) {
1216             emit errorMessage(i18nc("@info:status", "The location is empty."));
1217         } else {
1218             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1219         }
1220         return;
1221     }
1222
1223     m_loadingDirectory = true;
1224
1225     if (reload) {
1226         m_selectedItems = selectedItems();
1227         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1228     }
1229
1230     m_dirLister->stop();
1231     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1232
1233     if (isColumnViewActive()) {
1234         // adjusting the directory lister is not enough in the case of the
1235         // column view, as each column has its own directory lister internally...
1236         if (reload) {
1237             m_columnView->reload();
1238         } else {
1239             m_columnView->showColumn(url);
1240         }
1241     }
1242 }
1243
1244 KUrl DolphinView::viewPropertiesUrl() const
1245 {
1246     if (isColumnViewActive()) {
1247         return m_columnView->rootUrl();
1248     }
1249
1250     return url();
1251 }
1252
1253 void DolphinView::applyViewProperties(const KUrl& url)
1254 {
1255     if (m_ignoreViewProperties) {
1256         return;
1257     }
1258
1259     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1260         // The column view is active, hence don't apply the view properties
1261         // of sub directories (represented by columns) to the view. The
1262         // view always represents the properties of the first column.
1263         return;
1264     }
1265
1266     const ViewProperties props(url);
1267
1268     const Mode mode = props.viewMode();
1269     if (m_mode != mode) {
1270         const int oldZoomLevel = m_controller->zoomLevel();
1271
1272         m_mode = mode;
1273         createView();
1274         emit modeChanged();
1275
1276         updateZoomLevel(oldZoomLevel);
1277     }
1278     if (itemView() == 0) {
1279         createView();
1280     }
1281     Q_ASSERT(itemView() != 0);
1282     Q_ASSERT(m_fileItemDelegate != 0);
1283
1284     const bool showHiddenFiles = props.showHiddenFiles();
1285     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1286         m_dirLister->setShowingDotFiles(showHiddenFiles);
1287         emit showHiddenFilesChanged();
1288     }
1289
1290     m_storedCategorizedSorting = props.categorizedSorting();
1291     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1292     if (categorized != m_proxyModel->isCategorizedModel()) {
1293         m_proxyModel->setCategorizedModel(categorized);
1294         emit categorizedSortingChanged();
1295     }
1296
1297     const DolphinView::Sorting sorting = props.sorting();
1298     if (sorting != m_proxyModel->sorting()) {
1299         m_proxyModel->setSorting(sorting);
1300         emit sortingChanged(sorting);
1301     }
1302
1303     const Qt::SortOrder sortOrder = props.sortOrder();
1304     if (sortOrder != m_proxyModel->sortOrder()) {
1305         m_proxyModel->setSortOrder(sortOrder);
1306         emit sortOrderChanged(sortOrder);
1307     }
1308
1309     const bool sortFoldersFirst = props.sortFoldersFirst();
1310     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1311         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1312         emit sortFoldersFirstChanged(sortFoldersFirst);
1313     }
1314
1315     KFileItemDelegate::InformationList info = props.additionalInfo();
1316     if (info != m_fileItemDelegate->showInformation()) {
1317         m_fileItemDelegate->setShowInformation(info);
1318         emit additionalInfoChanged();
1319     }
1320
1321     const bool showPreview = props.showPreview();
1322     if (showPreview != m_showPreview) {
1323         m_showPreview = showPreview;
1324         m_previewGenerator->setPreviewShown(showPreview);
1325
1326         const int oldZoomLevel = m_controller->zoomLevel();
1327         emit showPreviewChanged();
1328
1329         // Enabling or disabling the preview might change the icon size of the view.
1330         // As the view does not emit a signal when the icon size has been changed,
1331         // the used zoom level of the controller must be adjusted manually:
1332         updateZoomLevel(oldZoomLevel);
1333     }
1334
1335     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1336         // During the lifetime of a DolphinView instance the global view properties
1337         // should not be changed. This allows e. g. to split a view and use different
1338         // view properties for each view.
1339         m_ignoreViewProperties = true;
1340     }
1341 }
1342
1343 void DolphinView::createView()
1344 {
1345     deleteView();
1346     Q_ASSERT(m_iconsView == 0);
1347     Q_ASSERT(m_detailsView == 0);
1348     Q_ASSERT(m_columnView == 0);
1349
1350     QAbstractItemView* view = 0;
1351     switch (m_mode) {
1352     case IconsView: {
1353         m_iconsView = new DolphinIconsView(this, m_controller);
1354         view = m_iconsView;
1355         break;
1356     }
1357
1358     case DetailsView:
1359         m_detailsView = new DolphinDetailsView(this, m_controller);
1360         view = m_detailsView;
1361         break;
1362
1363     case ColumnView:
1364         m_columnView = new DolphinColumnView(this, m_controller);
1365         view = m_columnView;
1366         break;
1367     }
1368
1369     Q_ASSERT(view != 0);
1370     view->installEventFilter(this);
1371     view->viewport()->installEventFilter(this);
1372     setFocusProxy(view);
1373
1374     if (m_mode != ColumnView) {
1375         // Give the view the ability to auto-expand its directories on hovering
1376         // (the column view takes care about this itself). If the details view
1377         // uses expandable folders, the auto-expanding should be used always.
1378         DolphinSettings& settings = DolphinSettings::instance();
1379         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1380                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1381
1382         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1383         folderExpander->setEnabled(enabled);
1384         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1385                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1386     }
1387     else {
1388         // Listen out for requests to delete the current column.
1389         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1390                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1391     }
1392
1393     m_controller->setItemView(view);
1394
1395     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1396     m_fileItemDelegate->setShowToolTipWhenElided(false);
1397     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1398     view->setItemDelegate(m_fileItemDelegate);
1399
1400     view->setModel(m_proxyModel);
1401     if (m_selectionModel != 0) {
1402         view->setSelectionModel(m_selectionModel);
1403     } else {
1404         m_selectionModel = view->selectionModel();
1405     }
1406
1407     // reparent the selection model, as it should not be deleted
1408     // when deleting the model
1409     m_selectionModel->setParent(this);
1410
1411     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1412
1413     m_previewGenerator = new KFilePreviewGenerator(view);
1414     m_previewGenerator->setPreviewShown(m_showPreview);
1415
1416     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1417         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1418         connect(m_controller, SIGNAL(hideToolTip()),
1419                 m_toolTipManager, SLOT(hideTip()));
1420     }
1421
1422     m_topLayout->insertWidget(1, view);
1423
1424     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1425             this, SLOT(emitSelectionChangedSignal()));
1426     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1427             this, SLOT(emitContentsMoved()));
1428     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1429             this, SLOT(emitContentsMoved()));
1430 }
1431
1432 void DolphinView::deleteView()
1433 {
1434     QAbstractItemView* view = itemView();
1435     if (view != 0) {
1436         // It's important to set the keyboard focus to the parent
1437         // before deleting the view: Otherwise when having a split
1438         // view the other view will get the focus and will request
1439         // an activation (see DolphinView::eventFilter()).
1440         setFocusProxy(0);
1441         setFocus();
1442
1443         m_topLayout->removeWidget(view);
1444         view->close();
1445
1446         // m_previewGenerator's parent is not always destroyed, and we
1447         // don't want two active at once - manually delete.
1448         delete m_previewGenerator;
1449         m_previewGenerator = 0;
1450
1451         disconnect(view);
1452         m_controller->disconnect(view);
1453         view->disconnect();
1454
1455         deleteWhenNotDragSource(view);
1456         view = 0;
1457
1458         m_iconsView = 0;
1459         m_detailsView = 0;
1460         m_columnView = 0;
1461         m_fileItemDelegate = 0;
1462         m_toolTipManager = 0;
1463     }
1464 }
1465
1466 QAbstractItemView* DolphinView::itemView() const
1467 {
1468     if (m_detailsView != 0) {
1469         return m_detailsView;
1470     } else if (m_columnView != 0) {
1471         return m_columnView;
1472     }
1473
1474     return m_iconsView;
1475 }
1476
1477 bool DolphinView::isCutItem(const KFileItem& item) const
1478 {
1479     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1480     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1481
1482     const KUrl& itemUrl = item.url();
1483     KUrl::List::const_iterator it = cutUrls.begin();
1484     const KUrl::List::const_iterator end = cutUrls.end();
1485     while (it != end) {
1486         if (*it == itemUrl) {
1487             return true;
1488         }
1489         ++it;
1490     }
1491
1492     return false;
1493 }
1494
1495 void DolphinView::pasteToUrl(const KUrl& url)
1496 {
1497     KonqOperations::doPaste(this, url);
1498 }
1499
1500 void DolphinView::updateZoomLevel(int oldZoomLevel)
1501 {
1502     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1503     if (oldZoomLevel != newZoomLevel) {
1504         m_controller->setZoomLevel(newZoomLevel);
1505         emit zoomLevelChanged(newZoomLevel);
1506     }
1507 }
1508
1509 KUrl::List DolphinView::simplifiedSelectedUrls() const
1510 {
1511     KUrl::List list = selectedUrls();
1512     if (itemsExpandable() ) {
1513         list = KDirModel::simplifiedUrlList(list);
1514     }
1515     return list;
1516 }
1517
1518 QMimeData* DolphinView::selectionMimeData() const
1519 {
1520     if (isColumnViewActive()) {
1521         return m_columnView->selectionMimeData();
1522     }
1523
1524     const QAbstractItemView* view = itemView();
1525     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1526     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1527     return m_dolphinModel->mimeData(selection.indexes());
1528 }
1529
1530
1531 #include "dolphinview.moc"