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