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