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