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