src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QApplication>
  24 #include <QClipboard>
  25 #include <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfileitemdelegate.h>
  35 #include <kiconeffect.h>
  36 #include <klocale.h>
  37 #include <kio/deletejob.h>
  38 #include <kio/netaccess.h>
  39 #include <kio/previewjob.h>
  40 #include <kjob.h>
  41 #include <kmenu.h>
  42 #include <kmessagebox.h>
  43 #include <kmimetyperesolver.h>
  44 #include <konq_fileitemcapabilities.h>
  45 #include <konq_operations.h>
  46 #include <konqmimedata.h>
  47 #include <ktoggleaction.h>
  48 #include <kurl.h>
  49
  50 #include "dolphindropcontroller.h"
  51 #include "dolphinmodel.h"
  52 #include "dolphincolumnview.h"
  53 #include "dolphincontroller.h"
  54 #include "dolphinsortfilterproxymodel.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphiniconsview.h"
  57 #include "dolphinsettings.h"
  58 #include "dolphin_generalsettings.h"
  59 #include "iconmanager.h"
  60 #include "renamedialog.h"
  61 #include "tooltipmanager.h"
  62 #include "viewproperties.h"
  63
  64 DolphinView::DolphinView(QWidget* parent,
  65                          const KUrl& url,
  66                          KDirLister* dirLister,
  67                          DolphinModel* dolphinModel,
  68                          DolphinSortFilterProxyModel* proxyModel) :
  69     QWidget(parent),
  70     m_active(true),
  71     m_showPreview(false),
  72     m_loadingDirectory(false),
  73     m_storedCategorizedSorting(false),
  74     m_tabsForFiles(false),
  75     m_isContextMenuOpen(false),
  76     m_mode(DolphinView::IconsView),
  77     m_topLayout(0),
  78     m_controller(0),
  79     m_iconsView(0),
  80     m_detailsView(0),
  81     m_columnView(0),
  82     m_fileItemDelegate(0),
  83     m_selectionModel(0),
  84     m_dolphinModel(dolphinModel),
  85     m_dirLister(dirLister),
  86     m_proxyModel(proxyModel),
  87     m_iconManager(0),
  88     m_toolTipManager(0),
  89     m_rootUrl(),
  90     m_currentItemUrl()
  91 {
  92     m_topLayout = new QVBoxLayout(this);
  93     m_topLayout->setSpacing(0);
  94     m_topLayout->setMargin(0);
  95
  96     m_controller = new DolphinController(this);
  97     m_controller->setUrl(url);
  98
  99     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 100             this, SIGNAL(urlChanged(const KUrl&)));
 101     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 102             this, SLOT(slotRequestUrlChange(const KUrl&)));
 103
 104     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 105             this, SLOT(openContextMenu(const QPoint&)));
 106     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&, const KFileItem&)),
 107             this, SLOT(dropUrls(const KUrl::List&, const KUrl&, const KFileItem&)));
 108     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 109             this, SLOT(updateSorting(DolphinView::Sorting)));
 110     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 111             this, SLOT(updateSortOrder(Qt::SortOrder)));
 112     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 113             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 114     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 115             this, SLOT(triggerItem(const KFileItem&)));
 116     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 117             this, SIGNAL(tabRequested(const KUrl&)));
 118     connect(m_controller, SIGNAL(activated()),
 119             this, SLOT(activate()));
 120     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 121             this, SLOT(showHoverInformation(const KFileItem&)));
 122     connect(m_controller, SIGNAL(viewportEntered()),
 123             this, SLOT(clearHoverInformation()));
 124
 125     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 126             this, SLOT(slotRedirection(KUrl, KUrl)));
 127     connect(m_dirLister, SIGNAL(completed()),
 128             this, SLOT(restoreCurrentItem()));
 129
 130     applyViewProperties(url);
 131     m_topLayout->addWidget(itemView());
 132 }
 133
 134 DolphinView::~DolphinView()
 135 {
 136 }
 137
 138 const KUrl& DolphinView::url() const
 139 {
 140     return m_controller->url();
 141 }
 142
 143 KUrl DolphinView::rootUrl() const
 144 {
 145     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 146 }
 147
 148 void DolphinView::setActive(bool active)
 149 {
 150     if (active == m_active) {
 151         return;
 152     }
 153
 154     m_active = active;
 155
 156     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 157     if (active) {
 158         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 159         // bypasses the problem when having a split view and changing the active view to
 160         // update the some URL dependent states. A nicer approach should be no big deal...
 161         emit urlChanged(url());
 162         emit selectionChanged(selectedItems());
 163     } else {
 164         color.setAlpha(150);
 165     }
 166
 167     QWidget* viewport = itemView()->viewport();
 168     QPalette palette;
 169     palette.setColor(viewport->backgroundRole(), color);
 170     viewport->setPalette(palette);
 171
 172     update();
 173
 174     if (active) {
 175         itemView()->setFocus();
 176         emit activated();
 177     }
 178
 179     m_controller->indicateActivationChange(active);
 180 }
 181
 182 bool DolphinView::isActive() const
 183 {
 184     return m_active;
 185 }
 186
 187 void DolphinView::setMode(Mode mode)
 188 {
 189     if (mode == m_mode) {
 190         return; // the wished mode is already set
 191     }
 192
 193     m_mode = mode;
 194
 195     deleteView();
 196
 197     const KUrl viewPropsUrl = viewPropertiesUrl();
 198     ViewProperties props(viewPropsUrl);
 199     props.setViewMode(m_mode);
 200     createView();
 201
 202     // the file item delegate has been recreated, apply the current
 203     // additional information manually
 204     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 205     m_fileItemDelegate->setShowInformation(infoList);
 206     emit additionalInfoChanged();
 207
 208     // Not all view modes support categorized sorting. Adjust the sorting model
 209     // if changing the view mode results in a change of the categorized sorting
 210     // capabilities.
 211     m_storedCategorizedSorting = props.categorizedSorting();
 212     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 213     if (categorized != m_proxyModel->isCategorizedModel()) {
 214         m_proxyModel->setCategorizedModel(categorized);
 215         emit categorizedSortingChanged();
 216     }
 217
 218     emit modeChanged();
 219 }
 220
 221 DolphinView::Mode DolphinView::mode() const
 222 {
 223     return m_mode;
 224 }
 225
 226 bool DolphinView::showPreview() const
 227 {
 228     return m_showPreview;
 229 }
 230
 231 bool DolphinView::showHiddenFiles() const
 232 {
 233     return m_dirLister->showingDotFiles();
 234 }
 235
 236 bool DolphinView::categorizedSorting() const
 237 {
 238     // If all view modes would support categorized sorting, returning
 239     // m_proxyModel->isCategorizedModel() would be the way to go. As
 240     // currently only the icons view supports caterized sorting, we remember
 241     // the stored view properties state in m_storedCategorizedSorting and
 242     // return this state. The application takes care to disable the corresponding
 243     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 244     // that this setting is not applied to the current view mode.
 245     return m_storedCategorizedSorting;
 246 }
 247
 248 bool DolphinView::supportsCategorizedSorting() const
 249 {
 250     return m_iconsView != 0;
 251 }
 252
 253 void DolphinView::selectAll()
 254 {
 255     QAbstractItemView* view = itemView();
 256     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 257     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 258     // selection instead of selecting all items. This is bypassed for KDE 4.0
 259     // by invoking clearSelection() first.
 260     view->clearSelection();
 261     view->selectAll();
 262 }
 263
 264 void DolphinView::invertSelection()
 265 {
 266     if (isColumnViewActive()) {
 267         // QAbstractItemView does not offer a virtual method invertSelection()
 268         // as counterpart to QAbstractItemView::selectAll(). This makes it
 269         // necessary to delegate the inverting of the selection to the
 270         // column view, as only the selection of the active column should
 271         // get inverted.
 272         m_columnView->invertSelection();
 273     } else {
 274         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 275         const QAbstractItemModel* itemModel = selectionModel->model();
 276
 277         const QModelIndex topLeft = itemModel->index(0, 0);
 278         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 279                                                          itemModel->columnCount() - 1);
 280
 281         const QItemSelection selection(topLeft, bottomRight);
 282         selectionModel->select(selection, QItemSelectionModel::Toggle);
 283     }
 284 }
 285
 286 bool DolphinView::hasSelection() const
 287 {
 288     return itemView()->selectionModel()->hasSelection();
 289 }
 290
 291 void DolphinView::clearSelection()
 292 {
 293     itemView()->selectionModel()->clear();
 294 }
 295
 296 KFileItemList DolphinView::selectedItems() const
 297 {
 298     const QAbstractItemView* view = itemView();
 299
 300     // Our view has a selection, we will map them back to the DolphinModel
 301     // and then fill the KFileItemList.
 302     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 303
 304     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 305     KFileItemList itemList;
 306
 307     const QModelIndexList indexList = selection.indexes();
 308     foreach (const QModelIndex &index, indexList) {
 309         KFileItem item = m_dolphinModel->itemForIndex(index);
 310         if (!item.isNull()) {
 311             itemList.append(item);
 312         }
 313     }
 314
 315     return itemList;
 316 }
 317
 318 KUrl::List DolphinView::selectedUrls() const
 319 {
 320     KUrl::List urls;
 321     const KFileItemList list = selectedItems();
 322     foreach (const KFileItem &item, list) {
 323         urls.append(item.url());
 324     }
 325     return urls;
 326 }
 327
 328 KFileItem DolphinView::fileItem(const QModelIndex& index) const
 329 {
 330     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 331     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 332 }
 333
 334 void DolphinView::setContentsPosition(int x, int y)
 335 {
 336     QAbstractItemView* view = itemView();
 337
 338     // the ColumnView takes care itself for the horizontal scrolling
 339     if (!isColumnViewActive()) {
 340         view->horizontalScrollBar()->setValue(x);
 341     }
 342     view->verticalScrollBar()->setValue(y);
 343
 344     m_loadingDirectory = false;
 345 }
 346
 347 QPoint DolphinView::contentsPosition() const
 348 {
 349     const int x = itemView()->horizontalScrollBar()->value();
 350     const int y = itemView()->verticalScrollBar()->value();
 351     return QPoint(x, y);
 352 }
 353
 354 void DolphinView::zoomIn()
 355 {
 356     m_controller->triggerZoomIn();
 357     m_iconManager->updatePreviews();
 358 }
 359
 360 void DolphinView::zoomOut()
 361 {
 362     m_controller->triggerZoomOut();
 363     m_iconManager->updatePreviews();
 364 }
 365
 366 bool DolphinView::isZoomInPossible() const
 367 {
 368     return m_controller->isZoomInPossible();
 369 }
 370
 371 bool DolphinView::isZoomOutPossible() const
 372 {
 373     return m_controller->isZoomOutPossible();
 374 }
 375
 376 void DolphinView::setSorting(Sorting sorting)
 377 {
 378     if (sorting != this->sorting()) {
 379         updateSorting(sorting);
 380     }
 381 }
 382
 383 DolphinView::Sorting DolphinView::sorting() const
 384 {
 385     return m_proxyModel->sorting();
 386 }
 387
 388 void DolphinView::setSortOrder(Qt::SortOrder order)
 389 {
 390     if (sortOrder() != order) {
 391         updateSortOrder(order);
 392     }
 393 }
 394
 395 Qt::SortOrder DolphinView::sortOrder() const
 396 {
 397     return m_proxyModel->sortOrder();
 398 }
 399
 400 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 401 {
 402     const KUrl viewPropsUrl = viewPropertiesUrl();
 403     ViewProperties props(viewPropsUrl);
 404     props.setAdditionalInfo(info);
 405     m_fileItemDelegate->setShowInformation(info);
 406
 407     emit additionalInfoChanged();
 408
 409     if (itemView() != m_detailsView) {
 410         // the details view requires no reloading of the directory, as it maps
 411         // the file item delegate info to its columns internally
 412         loadDirectory(viewPropsUrl);
 413     }
 414 }
 415
 416 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 417 {
 418     return m_fileItemDelegate->showInformation();
 419 }
 420
 421 void DolphinView::reload()
 422 {
 423     setUrl(url());
 424     loadDirectory(url(), true);
 425 }
 426
 427 void DolphinView::refresh()
 428 {
 429     const bool oldActivationState = m_active;
 430     m_active = true;
 431
 432     createView();
 433     applyViewProperties(m_controller->url());
 434     reload();
 435
 436     setActive(oldActivationState);
 437 }
 438
 439 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 440 {
 441     if (m_controller->url() == url) {
 442         return;
 443     }
 444
 445     m_controller->setUrl(url); // emits urlChanged, which we forward
 446
 447     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 448         applyViewProperties(rootUrl);
 449         loadDirectory(rootUrl);
 450         if (itemView() == m_columnView) {
 451             m_columnView->setRootUrl(rootUrl);
 452             m_columnView->showColumn(url);
 453         }
 454     } else {
 455         applyViewProperties(url);
 456         loadDirectory(url);
 457     }
 458
 459     emit startedPathLoading(url);
 460 }
 461
 462 void DolphinView::setNameFilter(const QString& nameFilter)
 463 {
 464     m_proxyModel->setFilterRegExp(nameFilter);
 465
 466     if (isColumnViewActive()) {
 467         // adjusting the directory lister is not enough in the case of the
 468         // column view, as each column has its own directory lister internally...
 469         m_columnView->setNameFilter(nameFilter);
 470     }
 471 }
 472
 473 void DolphinView::calculateItemCount(int& fileCount, int& folderCount)
 474 {
 475     foreach (const KFileItem &item, m_dirLister->items()) {
 476         if (item.isDir()) {
 477             ++folderCount;
 478         } else {
 479             ++fileCount;
 480         }
 481     }
 482 }
 483
 484 void DolphinView::setUrl(const KUrl& url)
 485 {
 486     // remember current item candidate (see restoreCurrentItem())
 487     m_currentItemUrl = url;
 488     updateView(url, KUrl());
 489 }
 490
 491 void DolphinView::changeSelection(const KFileItemList& selection)
 492 {
 493     clearSelection();
 494     if (selection.isEmpty()) {
 495         return;
 496     }
 497     const KUrl& baseUrl = url();
 498     KUrl url;
 499     QItemSelection new_selection;
 500     foreach(const KFileItem& item, selection) {
 501         url = item.url().upUrl();
 502         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 503             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 504             new_selection.select(index, index);
 505         }
 506     }
 507     itemView()->selectionModel()->select(new_selection,
 508                                          QItemSelectionModel::ClearAndSelect
 509                                          | QItemSelectionModel::Current);
 510 }
 511
 512 void DolphinView::renameSelectedItems()
 513 {
 514     const KFileItemList items = selectedItems();
 515     if (items.count() > 1) {
 516         // More than one item has been selected for renaming. Open
 517         // a rename dialog and rename all items afterwards.
 518         RenameDialog dialog(this, items);
 519         if (dialog.exec() == QDialog::Rejected) {
 520             return;
 521         }
 522
 523         const QString newName = dialog.newName();
 524         if (newName.isEmpty()) {
 525             emit errorMessage(dialog.errorString());
 526         } else {
 527             // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 528             // as one operation instead of n rename operations like it is done now...
 529             Q_ASSERT(newName.contains('#'));
 530
 531             // iterate through all selected items and rename them...
 532             int index = 1;
 533             foreach (const KFileItem &item, items) {
 534                 const KUrl& oldUrl = item.url();
 535                 QString number;
 536                 number.setNum(index++);
 537
 538                 QString name = newName;
 539                 name.replace('#', number);
 540
 541                 if (oldUrl.fileName() != name) {
 542                     KUrl newUrl = oldUrl;
 543                     newUrl.setFileName(name);
 544                     KonqOperations::rename(this, oldUrl, newUrl);
 545                     emit doingOperation(KIO::FileUndoManager::Rename);
 546                 }
 547             }
 548         }
 549     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 550         Q_ASSERT(items.count() == 1);
 551
 552         if (isColumnViewActive()) {
 553             m_columnView->editItem(items.first());
 554         } else {
 555             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 556             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 557             itemView()->edit(proxyIndex);
 558         }
 559     } else {
 560         Q_ASSERT(items.count() == 1);
 561
 562         RenameDialog dialog(this, items);
 563         if (dialog.exec() == QDialog::Rejected) {
 564             return;
 565         }
 566
 567         const QString& newName = dialog.newName();
 568         if (newName.isEmpty()) {
 569             emit errorMessage(dialog.errorString());
 570         } else {
 571             const KUrl& oldUrl = items.first().url();
 572             KUrl newUrl = oldUrl;
 573             newUrl.setFileName(newName);
 574             KonqOperations::rename(this, oldUrl, newUrl);
 575             emit doingOperation(KIO::FileUndoManager::Rename);
 576         }
 577     }
 578 }
 579
 580 void DolphinView::trashSelectedItems()
 581 {
 582     emit doingOperation(KIO::FileUndoManager::Trash);
 583     KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
 584 }
 585
 586 void DolphinView::deleteSelectedItems()
 587 {
 588     const KUrl::List list = selectedUrls();
 589     const bool del = KonqOperations::askDeleteConfirmation(list,
 590                      KonqOperations::DEL,
 591                      KonqOperations::DEFAULT_CONFIRMATION,
 592                      this);
 593
 594     if (del) {
 595         KIO::Job* job = KIO::del(list);
 596         connect(job, SIGNAL(result(KJob*)),
 597                 this, SLOT(slotDeleteFileFinished(KJob*)));
 598     }
 599 }
 600
 601 void DolphinView::cutSelectedItems()
 602 {
 603     QMimeData* mimeData = new QMimeData();
 604     const KUrl::List kdeUrls = selectedUrls();
 605     const KUrl::List mostLocalUrls;
 606     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
 607     QApplication::clipboard()->setMimeData(mimeData);
 608 }
 609
 610 void DolphinView::copySelectedItems()
 611 {
 612     QMimeData* mimeData = new QMimeData();
 613     const KUrl::List kdeUrls = selectedUrls();
 614     const KUrl::List mostLocalUrls;
 615     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
 616     QApplication::clipboard()->setMimeData(mimeData);
 617 }
 618
 619 void DolphinView::paste()
 620 {
 621     pasteToUrl(url());
 622 }
 623
 624 void DolphinView::pasteIntoFolder()
 625 {
 626     const KFileItemList items = selectedItems();
 627     if ((items.count() == 1) && items.first().isDir()) {
 628         pasteToUrl(items.first().url());
 629     }
 630 }
 631
 632 void DolphinView::setShowPreview(bool show)
 633 {
 634     if (m_showPreview == show) {
 635         return;
 636     }
 637
 638     const KUrl viewPropsUrl = viewPropertiesUrl();
 639     ViewProperties props(viewPropsUrl);
 640     props.setShowPreview(show);
 641
 642     m_showPreview = show;
 643     m_iconManager->setShowPreview(show);
 644     emit showPreviewChanged();
 645
 646     loadDirectory(viewPropsUrl);
 647 }
 648
 649 void DolphinView::setShowHiddenFiles(bool show)
 650 {
 651     if (m_dirLister->showingDotFiles() == show) {
 652         return;
 653     }
 654
 655     const KUrl viewPropsUrl = viewPropertiesUrl();
 656     ViewProperties props(viewPropsUrl);
 657     props.setShowHiddenFiles(show);
 658
 659     m_dirLister->setShowingDotFiles(show);
 660     emit showHiddenFilesChanged();
 661
 662     loadDirectory(viewPropsUrl);
 663 }
 664
 665 void DolphinView::setCategorizedSorting(bool categorized)
 666 {
 667     if (categorized == categorizedSorting()) {
 668         return;
 669     }
 670
 671     // setCategorizedSorting(true) may only get invoked
 672     // if the view supports categorized sorting
 673     Q_ASSERT(!categorized || supportsCategorizedSorting());
 674
 675     ViewProperties props(viewPropertiesUrl());
 676     props.setCategorizedSorting(categorized);
 677     props.save();
 678
 679     m_storedCategorizedSorting = categorized;
 680     m_proxyModel->setCategorizedModel(categorized);
 681
 682     emit categorizedSortingChanged();
 683 }
 684
 685 void DolphinView::toggleSortOrder()
 686 {
 687     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 688                                 Qt::DescendingOrder :
 689                                 Qt::AscendingOrder;
 690     setSortOrder(order);
 691 }
 692
 693 void DolphinView::toggleAdditionalInfo(QAction* action)
 694 {
 695     const KFileItemDelegate::Information info =
 696         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 697
 698     KFileItemDelegate::InformationList list = additionalInfo();
 699
 700     const bool show = action->isChecked();
 701
 702     const int index = list.indexOf(info);
 703     const bool containsInfo = (index >= 0);
 704     if (show && !containsInfo) {
 705         list.append(info);
 706         setAdditionalInfo(list);
 707     } else if (!show && containsInfo) {
 708         list.removeAt(index);
 709         setAdditionalInfo(list);
 710         Q_ASSERT(list.indexOf(info) < 0);
 711     }
 712 }
 713
 714
 715 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 716 {
 717     QWidget::mouseReleaseEvent(event);
 718     setActive(true);
 719 }
 720
 721 void DolphinView::wheelEvent(QWheelEvent* event)
 722 {
 723     if (event->modifiers() & Qt::ControlModifier) {
 724         const int delta = event->delta();
 725         if ((delta > 0) && isZoomInPossible()) {
 726             zoomIn();
 727         } else if ((delta < 0) && isZoomOutPossible()) {
 728             zoomOut();
 729         }
 730         event->accept();
 731     }
 732 }
 733
 734 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 735 {
 736     if ((watched == itemView()) && (event->type() == QEvent::FocusIn)) {
 737         m_controller->requestActivation();
 738     }
 739
 740     return QWidget::eventFilter(watched, event);
 741 }
 742
 743 void DolphinView::activate()
 744 {
 745     setActive(true);
 746 }
 747
 748 void DolphinView::triggerItem(const KFileItem& item)
 749 {
 750     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 751     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 752         // items are selected by the user, hence don't trigger the
 753         // item specified by 'index'
 754         return;
 755     }
 756
 757     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 758     if (item.isNull() || m_isContextMenuOpen) {
 759         return;
 760     }
 761
 762     if (m_toolTipManager != 0) {
 763         m_toolTipManager->hideTip();
 764     }
 765     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 766 }
 767
 768 void DolphinView::emitSelectionChangedSignal()
 769 {
 770     emit selectionChanged(DolphinView::selectedItems());
 771 }
 772
 773 void DolphinView::openContextMenu(const QPoint& pos)
 774 {
 775     KFileItem item;
 776
 777     const QModelIndex index = itemView()->indexAt(pos);
 778     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 779         item = fileItem(index);
 780     }
 781
 782     if (m_toolTipManager != 0) {
 783         m_toolTipManager->hideTip();
 784     }
 785
 786     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 787     emit requestContextMenu(item, url());
 788     m_isContextMenuOpen = false;
 789 }
 790
 791 void DolphinView::dropUrls(const KUrl::List& urls,
 792                            const KUrl& destPath,
 793                            const KFileItem& destItem)
 794 {
 795     Q_ASSERT(!urls.isEmpty());
 796     const KUrl& destination = !destItem.isNull() && destItem.isDir() ?
 797                               destItem.url() : destPath;
 798     const KUrl sourceDir = KUrl(urls.first().directory());
 799     if (sourceDir != destination) {
 800         dropUrls(urls, destination);
 801     }
 802 }
 803
 804 void DolphinView::dropUrls(const KUrl::List& urls,
 805                            const KUrl& destination)
 806 {
 807     DolphinDropController dropController(this);
 808     // forward doingOperation signal up to the mainwindow
 809     connect(&dropController, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)),
 810             this, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)));
 811     dropController.dropUrls(urls, destination);
 812 }
 813
 814 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 815 {
 816     ViewProperties props(viewPropertiesUrl());
 817     props.setSorting(sorting);
 818
 819     m_proxyModel->setSorting(sorting);
 820
 821     emit sortingChanged(sorting);
 822 }
 823
 824 void DolphinView::updateSortOrder(Qt::SortOrder order)
 825 {
 826     ViewProperties props(viewPropertiesUrl());
 827     props.setSortOrder(order);
 828
 829     m_proxyModel->setSortOrder(order);
 830
 831     emit sortOrderChanged(order);
 832 }
 833
 834 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 835 {
 836     ViewProperties props(viewPropertiesUrl());
 837     props.setAdditionalInfo(info);
 838     props.save();
 839
 840     m_fileItemDelegate->setShowInformation(info);
 841
 842     emit additionalInfoChanged();
 843 }
 844
 845 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 846 {
 847     const bool enable = (m_mode == DolphinView::DetailsView) ||
 848                         (m_mode == DolphinView::IconsView);
 849
 850     QAction* showSizeInfo = collection->action("show_size_info");
 851     QAction* showDateInfo = collection->action("show_date_info");
 852     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 853     QAction* showOwnerInfo = collection->action("show_owner_info");
 854     QAction* showGroupInfo = collection->action("show_group_info");
 855     QAction* showMimeInfo = collection->action("show_mime_info");
 856
 857     showSizeInfo->setChecked(false);
 858     showDateInfo->setChecked(false);
 859     showPermissionsInfo->setChecked(false);
 860     showOwnerInfo->setChecked(false);
 861     showGroupInfo->setChecked(false);
 862     showMimeInfo->setChecked(false);
 863
 864     showSizeInfo->setEnabled(enable);
 865     showDateInfo->setEnabled(enable);
 866     showPermissionsInfo->setEnabled(enable);
 867     showOwnerInfo->setEnabled(enable);
 868     showGroupInfo->setEnabled(enable);
 869     showMimeInfo->setEnabled(enable);
 870
 871     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
 872         switch (info) {
 873         case KFileItemDelegate::Size:
 874             showSizeInfo->setChecked(true);
 875             break;
 876         case KFileItemDelegate::ModificationTime:
 877             showDateInfo->setChecked(true);
 878             break;
 879         case KFileItemDelegate::Permissions:
 880             showPermissionsInfo->setChecked(true);
 881             break;
 882         case KFileItemDelegate::Owner:
 883             showOwnerInfo->setChecked(true);
 884             break;
 885         case KFileItemDelegate::OwnerAndGroup:
 886             showGroupInfo->setChecked(true);
 887             break;
 888         case KFileItemDelegate::FriendlyMimeType:
 889             showMimeInfo->setChecked(true);
 890             break;
 891         default:
 892             break;
 893         }
 894     }
 895 }
 896
 897 QPair<bool, QString> DolphinView::pasteInfo() const
 898 {
 899     QPair<bool, QString> ret;
 900     QClipboard* clipboard = QApplication::clipboard();
 901     const QMimeData* mimeData = clipboard->mimeData();
 902
 903     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
 904     if (!urls.isEmpty()) {
 905         // disable the paste action if no writing is supported
 906         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url());
 907         ret.first = KonqFileItemCapabilities(KFileItemList() << item).supportsWriting();
 908
 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     m_iconManager = new IconManager(view, m_proxyModel);
1129     m_iconManager->setShowPreview(m_showPreview);
1130
1131     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1132         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1133     }
1134
1135     m_topLayout->insertWidget(1, view);
1136
1137     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1138             this, SLOT(emitSelectionChangedSignal()));
1139     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1140             this, SLOT(emitContentsMoved()));
1141     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1142             this, SLOT(emitContentsMoved()));
1143 }
1144
1145 void DolphinView::deleteView()
1146 {
1147     QAbstractItemView* view = itemView();
1148     if (view != 0) {
1149         m_topLayout->removeWidget(view);
1150         view->close();
1151         view->deleteLater();
1152         view = 0;
1153         m_iconsView = 0;
1154         m_detailsView = 0;
1155         m_columnView = 0;
1156         m_fileItemDelegate = 0;
1157         m_iconManager = 0;
1158         m_toolTipManager = 0;
1159     }
1160 }
1161
1162 QAbstractItemView* DolphinView::itemView() const
1163 {
1164     if (m_detailsView != 0) {
1165         return m_detailsView;
1166     } else if (m_columnView != 0) {
1167         return m_columnView;
1168     }
1169
1170     return m_iconsView;
1171 }
1172
1173 bool DolphinView::isCutItem(const KFileItem& item) const
1174 {
1175     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1176     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1177
1178     const KUrl& itemUrl = item.url();
1179     KUrl::List::const_iterator it = cutUrls.begin();
1180     const KUrl::List::const_iterator end = cutUrls.end();
1181     while (it != end) {
1182         if (*it == itemUrl) {
1183             return true;
1184         }
1185         ++it;
1186     }
1187
1188     return false;
1189 }
1190
1191 void DolphinView::pasteToUrl(const KUrl& url)
1192 {
1193     QClipboard* clipboard = QApplication::clipboard();
1194     const QMimeData* mimeData = clipboard->mimeData();
1195
1196     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1197     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1198         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, url);
1199         emit doingOperation(KIO::FileUndoManager::Move);
1200         clipboard->clear();
1201     } else {
1202         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, url);
1203         emit doingOperation(KIO::FileUndoManager::Copy);
1204     }
1205 }
1206
1207 void DolphinView::slotRequestUrlChange(const KUrl& url)
1208 {
1209     emit requestUrlChange(url);
1210     m_controller->setUrl(url);
1211 }
1212
1213 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1214 {
1215     if (oldUrl == m_controller->url()) {
1216         m_controller->setUrl(newUrl);
1217     }
1218 }
1219
1220 #include "dolphinview.moc"