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