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 #include <ktoggleaction.h>
  23 #include <kactioncollection.h>
  24
  25 #include <QApplication>
  26 #include <QClipboard>
  27 #include <QKeyEvent>
  28 #include <QItemSelection>
  29 #include <QBoxLayout>
  30 #include <QTimer>
  31 #include <QScrollBar>
  32
  33 #include <kcolorscheme.h>
  34 #include <kdirlister.h>
  35 #include <kfileitemdelegate.h>
  36 #include <kiconeffect.h>
  37 #include <klocale.h>
  38 #include <kio/deletejob.h>
  39 #include <kio/netaccess.h>
  40 #include <kio/previewjob.h>
  41 #include <kjob.h>
  42 #include <kmenu.h>
  43 #include <kmimetyperesolver.h>
  44 #include <konq_operations.h>
  45 #include <konqmimedata.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     connect(m_dirLister, SIGNAL(completed()),
  90             this, SLOT(updateCutItems()));
  91
  92     m_controller = new DolphinController(this);
  93     m_controller->setUrl(url);
  94
  95     // Receiver of the DolphinView signal 'urlChanged()' don't need
  96     // to care whether the internal controller changed the URL already or whether
  97     // the controller just requested an URL change and will be updated later.
  98     // In both cases the URL has been changed:
  99     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 100             this, SIGNAL(urlChanged(const KUrl&)));
 101     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 102             this, SIGNAL(urlChanged(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(activated()),
 117             this, SLOT(activate()));
 118     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 119             this, SLOT(showHoverInformation(const KFileItem&)));
 120     connect(m_controller, SIGNAL(viewportEntered()),
 121             this, SLOT(clearHoverInformation()));
 122
 123     m_iconManager = new IconManager(this, m_dolphinModel);
 124
 125     applyViewProperties(url);
 126     m_topLayout->addWidget(itemView());
 127 }
 128
 129 DolphinView::~DolphinView()
 130 {
 131 }
 132
 133 const KUrl& DolphinView::url() const
 134 {
 135     return m_controller->url();
 136 }
 137
 138 KUrl DolphinView::rootUrl() const
 139 {
 140     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 141 }
 142
 143 void DolphinView::setActive(bool active)
 144 {
 145     if (active == m_active) {
 146         return;
 147     }
 148
 149     m_active = active;
 150     m_selectionModel->clearSelection();
 151
 152     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 153     if (active) {
 154         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 155         // bypasses the problem when having a split view and changing the active view to
 156         // update the some URL dependent states. A nicer approach should be no big deal...
 157         emit urlChanged(url());
 158         emit selectionChanged(selectedItems());
 159     } else {
 160         color.setAlpha(150);
 161     }
 162
 163     QWidget* viewport = itemView()->viewport();
 164     QPalette palette;
 165     palette.setColor(viewport->backgroundRole(), color);
 166     viewport->setPalette(palette);
 167
 168     update();
 169
 170     if (active) {
 171         emit activated();
 172     }
 173
 174     m_controller->indicateActivationChange(active);
 175 }
 176
 177 bool DolphinView::isActive() const
 178 {
 179     return m_active;
 180 }
 181
 182 void DolphinView::setMode(Mode mode)
 183 {
 184     if (mode == m_mode) {
 185         return; // the wished mode is already set
 186     }
 187
 188     m_mode = mode;
 189
 190     if (isColumnViewActive()) {
 191         // When changing the mode in the column view, it makes sense
 192         // to go back to the root URL of the column view automatically.
 193         // Otherwise there it would not be possible to turn off the column view
 194         // without focusing the first column.
 195         const KUrl root = rootUrl();
 196         setUrl(root);
 197         m_controller->setUrl(root);
 198     }
 199
 200     deleteView();
 201
 202     const KUrl viewPropsUrl = viewPropertiesUrl();
 203     ViewProperties props(viewPropsUrl);
 204     props.setViewMode(m_mode);
 205     createView();
 206
 207     // the file item delegate has been recreated, apply the current
 208     // additional information manually
 209     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 210     m_fileItemDelegate->setShowInformation(infoList);
 211     emit additionalInfoChanged(infoList);
 212
 213     // Not all view modes support categorized sorting. Adjust the sorting model
 214     // if changing the view mode results in a change of the categorized sorting
 215     // capabilities.
 216     m_storedCategorizedSorting = props.categorizedSorting();
 217     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 218     if (categorized != m_proxyModel->isCategorizedModel()) {
 219         m_proxyModel->setCategorizedModel(categorized);
 220         emit categorizedSortingChanged();
 221     }
 222
 223     emit modeChanged();
 224 }
 225
 226 DolphinView::Mode DolphinView::mode() const
 227 {
 228     return m_mode;
 229 }
 230
 231 void DolphinView::setShowPreview(bool show)
 232 {
 233     if (m_showPreview == show) {
 234         return;
 235     }
 236
 237     const KUrl viewPropsUrl = viewPropertiesUrl();
 238     ViewProperties props(viewPropsUrl);
 239     props.setShowPreview(show);
 240
 241     m_showPreview = show;
 242     m_iconManager->setShowPreview(show);
 243     emit showPreviewChanged();
 244
 245     loadDirectory(viewPropsUrl, true);
 246 }
 247
 248 bool DolphinView::showPreview() const
 249 {
 250     return m_showPreview;
 251 }
 252
 253 void DolphinView::setShowHiddenFiles(bool show)
 254 {
 255     if (m_dirLister->showingDotFiles() == show) {
 256         return;
 257     }
 258
 259     const KUrl viewPropsUrl = viewPropertiesUrl();
 260     ViewProperties props(viewPropsUrl);
 261     props.setShowHiddenFiles(show);
 262
 263     m_dirLister->setShowingDotFiles(show);
 264     emit showHiddenFilesChanged();
 265
 266     loadDirectory(viewPropsUrl, true);
 267 }
 268
 269 bool DolphinView::showHiddenFiles() const
 270 {
 271     return m_dirLister->showingDotFiles();
 272 }
 273
 274 void DolphinView::setCategorizedSorting(bool categorized)
 275 {
 276     if (categorized == categorizedSorting()) {
 277         return;
 278     }
 279
 280     // setCategorizedSorting(true) may only get invoked
 281     // if the view supports categorized sorting
 282     Q_ASSERT(!categorized || supportsCategorizedSorting());
 283
 284     ViewProperties props(viewPropertiesUrl());
 285     props.setCategorizedSorting(categorized);
 286     props.save();
 287
 288     m_storedCategorizedSorting = categorized;
 289     m_proxyModel->setCategorizedModel(categorized);
 290
 291     emit categorizedSortingChanged();
 292 }
 293
 294 bool DolphinView::categorizedSorting() const
 295 {
 296     // If all view modes would support categorized sorting, returning
 297     // m_proxyModel->isCategorizedModel() would be the way to go. As
 298     // currently only the icons view supports caterized sorting, we remember
 299     // the stored view properties state in m_storedCategorizedSorting and
 300     // return this state. The application takes care to disable the corresponding
 301     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 302     // that this setting is not applied to the current view mode.
 303     return m_storedCategorizedSorting;
 304 }
 305
 306 bool DolphinView::supportsCategorizedSorting() const
 307 {
 308     return m_iconsView != 0;
 309 }
 310
 311 void DolphinView::selectAll()
 312 {
 313     QAbstractItemView* view = itemView();
 314     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 315     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 316     // selection instead of selecting all items. This is bypassed for KDE 4.0
 317     // by invoking clearSelection() first.
 318     view->clearSelection();
 319     view->selectAll();
 320 }
 321
 322 void DolphinView::invertSelection()
 323 {
 324     if (isColumnViewActive()) {
 325         // QAbstractItemView does not offer a virtual method invertSelection()
 326         // as counterpart to QAbstractItemView::selectAll(). This makes it
 327         // necessary to delegate the inverting of the selection to the
 328         // column view, as only the selection of the active column should
 329         // get inverted.
 330         m_columnView->invertSelection();
 331     } else {
 332         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 333         const QAbstractItemModel* itemModel = selectionModel->model();
 334
 335         const QModelIndex topLeft = itemModel->index(0, 0);
 336         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 337                                                          itemModel->columnCount() - 1);
 338
 339         const QItemSelection selection(topLeft, bottomRight);
 340         selectionModel->select(selection, QItemSelectionModel::Toggle);
 341     }
 342 }
 343
 344 bool DolphinView::hasSelection() const
 345 {
 346     return itemView()->selectionModel()->hasSelection();
 347 }
 348
 349 void DolphinView::clearSelection()
 350 {
 351     itemView()->selectionModel()->clear();
 352 }
 353
 354 KFileItemList DolphinView::selectedItems() const
 355 {
 356     const QAbstractItemView* view = itemView();
 357
 358     // Our view has a selection, we will map them back to the DolphinModel
 359     // and then fill the KFileItemList.
 360     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 361
 362     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 363     KFileItemList itemList;
 364
 365     const QModelIndexList indexList = selection.indexes();
 366     foreach (QModelIndex index, indexList) {
 367         KFileItem item = m_dolphinModel->itemForIndex(index);
 368         if (!item.isNull()) {
 369             itemList.append(item);
 370         }
 371     }
 372
 373     return itemList;
 374 }
 375
 376 KUrl::List DolphinView::selectedUrls() const
 377 {
 378     KUrl::List urls;
 379     const KFileItemList list = selectedItems();
 380     foreach (KFileItem item, list) {
 381         urls.append(item.url());
 382     }
 383     return urls;
 384 }
 385
 386 KFileItem DolphinView::fileItem(const QModelIndex& index) const
 387 {
 388     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 389     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 390 }
 391
 392 void DolphinView::setContentsPosition(int x, int y)
 393 {
 394     QAbstractItemView* view = itemView();
 395
 396     // the ColumnView takes care itself for the horizontal scrolling
 397     if (!isColumnViewActive()) {
 398         view->horizontalScrollBar()->setValue(x);
 399     }
 400     view->verticalScrollBar()->setValue(y);
 401
 402     m_loadingDirectory = false;
 403 }
 404
 405 QPoint DolphinView::contentsPosition() const
 406 {
 407     const int x = itemView()->horizontalScrollBar()->value();
 408     const int y = itemView()->verticalScrollBar()->value();
 409     return QPoint(x, y);
 410 }
 411
 412 void DolphinView::zoomIn()
 413 {
 414     m_controller->triggerZoomIn();
 415 }
 416
 417 void DolphinView::zoomOut()
 418 {
 419     m_controller->triggerZoomOut();
 420 }
 421
 422 bool DolphinView::isZoomInPossible() const
 423 {
 424     return m_controller->isZoomInPossible();
 425 }
 426
 427 bool DolphinView::isZoomOutPossible() const
 428 {
 429     return m_controller->isZoomOutPossible();
 430 }
 431
 432 void DolphinView::setSorting(Sorting sorting)
 433 {
 434     if (sorting != this->sorting()) {
 435         updateSorting(sorting);
 436     }
 437 }
 438
 439 DolphinView::Sorting DolphinView::sorting() const
 440 {
 441     return m_proxyModel->sorting();
 442 }
 443
 444 void DolphinView::setSortOrder(Qt::SortOrder order)
 445 {
 446     if (sortOrder() != order) {
 447         updateSortOrder(order);
 448     }
 449 }
 450
 451 Qt::SortOrder DolphinView::sortOrder() const
 452 {
 453     return m_proxyModel->sortOrder();
 454 }
 455
 456 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 457 {
 458     const KUrl viewPropsUrl = viewPropertiesUrl();
 459     ViewProperties props(viewPropsUrl);
 460     props.setAdditionalInfo(info);
 461     m_fileItemDelegate->setShowInformation(info);
 462
 463     emit additionalInfoChanged(info);
 464
 465     if (itemView() != m_detailsView) {
 466         // the details view requires no reloading of the directory, as it maps
 467         // the file item delegate info to its columns internally
 468         loadDirectory(viewPropsUrl, true);
 469     }
 470 }
 471
 472 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 473 {
 474     return m_fileItemDelegate->showInformation();
 475 }
 476
 477 void DolphinView::reload()
 478 {
 479     setUrl(url());
 480     loadDirectory(url(), true);
 481 }
 482
 483 void DolphinView::refresh()
 484 {
 485     const bool oldActivationState = m_active;
 486     m_active = true;
 487
 488     createView();
 489     applyViewProperties(m_controller->url());
 490     reload();
 491
 492     setActive(oldActivationState);
 493 }
 494
 495 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 496 {
 497     if (m_controller->url() == url) {
 498         return;
 499     }
 500
 501     m_controller->setUrl(url); // emits urlChanged, which we forward
 502
 503     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 504         applyViewProperties(rootUrl);
 505         loadDirectory(rootUrl);
 506         if (itemView() == m_columnView) {
 507             m_columnView->setRootUrl(rootUrl);
 508             m_columnView->showColumn(url);
 509         }
 510     } else {
 511         applyViewProperties(url);
 512         loadDirectory(url);
 513     }
 514
 515     emit startedPathLoading(url);
 516 }
 517
 518 void DolphinView::setNameFilter(const QString& nameFilter)
 519 {
 520     m_proxyModel->setFilterRegExp(nameFilter);
 521
 522     if (isColumnViewActive()) {
 523         // adjusting the directory lister is not enough in the case of the
 524         // column view, as each column has its own directory lister internally...
 525         m_columnView->setNameFilter(nameFilter);
 526     }
 527 }
 528
 529 void DolphinView::calculateItemCount(int& fileCount, int& folderCount)
 530 {
 531     foreach (KFileItem item, m_dirLister->items()) {
 532         if (item.isDir()) {
 533             ++folderCount;
 534         } else {
 535             ++fileCount;
 536         }
 537     }
 538 }
 539
 540 void DolphinView::setUrl(const KUrl& url)
 541 {
 542     updateView(url, KUrl());
 543 }
 544
 545 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 546 {
 547     QWidget::mouseReleaseEvent(event);
 548     setActive(true);
 549 }
 550 void DolphinView::activate()
 551 {
 552     setActive(true);
 553 }
 554
 555 void DolphinView::triggerItem(const KFileItem& item)
 556 {
 557     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 558     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 559         // items are selected by the user, hence don't trigger the
 560         // item specified by 'index'
 561         return;
 562     }
 563
 564     if (item.isNull()) {
 565         return;
 566     }
 567
 568     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 569 }
 570
 571 void DolphinView::emitSelectionChangedSignal()
 572 {
 573     emit selectionChanged(DolphinView::selectedItems());
 574 }
 575
 576 void DolphinView::loadDirectory(const KUrl& url, bool reload)
 577 {
 578     if (!url.isValid()) {
 579         const QString location(url.pathOrUrl());
 580         if (location.isEmpty()) {
 581             emit errorMessage(i18nc("@info:status", "The location is empty."));
 582         } else {
 583             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
 584         }
 585         return;
 586     }
 587
 588     m_loadingDirectory = true;
 589
 590     m_dirLister->stop();
 591     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
 592
 593     if (isColumnViewActive()) {
 594         // adjusting the directory lister is not enough in the case of the
 595         // column view, as each column has its own directory lister internally...
 596         if (reload) {
 597             m_columnView->reload();
 598         } else {
 599             m_columnView->showColumn(url);
 600         }
 601     }
 602 }
 603
 604 KUrl DolphinView::viewPropertiesUrl() const
 605 {
 606     if (isColumnViewActive()) {
 607         return m_dirLister->url();
 608     }
 609
 610     return url();
 611 }
 612
 613 void DolphinView::applyViewProperties(const KUrl& url)
 614 {
 615     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
 616         // The column view is active, hence don't apply the view properties
 617         // of sub directories (represented by columns) to the view. The
 618         // view always represents the properties of the first column.
 619         return;
 620     }
 621
 622     const ViewProperties props(url);
 623
 624     const Mode mode = props.viewMode();
 625     if (m_mode != mode) {
 626         m_mode = mode;
 627         createView();
 628         emit modeChanged();
 629     }
 630     if (itemView() == 0) {
 631         createView();
 632     }
 633     Q_ASSERT(itemView() != 0);
 634     Q_ASSERT(m_fileItemDelegate != 0);
 635
 636     const bool showHiddenFiles = props.showHiddenFiles();
 637     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
 638         m_dirLister->setShowingDotFiles(showHiddenFiles);
 639         emit showHiddenFilesChanged();
 640     }
 641
 642     m_storedCategorizedSorting = props.categorizedSorting();
 643     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 644     if (categorized != m_proxyModel->isCategorizedModel()) {
 645         m_proxyModel->setCategorizedModel(categorized);
 646         emit categorizedSortingChanged();
 647     }
 648
 649     const DolphinView::Sorting sorting = props.sorting();
 650     if (sorting != m_proxyModel->sorting()) {
 651         m_proxyModel->setSorting(sorting);
 652         emit sortingChanged(sorting);
 653     }
 654
 655     const Qt::SortOrder sortOrder = props.sortOrder();
 656     if (sortOrder != m_proxyModel->sortOrder()) {
 657         m_proxyModel->setSortOrder(sortOrder);
 658         emit sortOrderChanged(sortOrder);
 659     }
 660
 661     KFileItemDelegate::InformationList info = props.additionalInfo();
 662     if (info != m_fileItemDelegate->showInformation()) {
 663         m_fileItemDelegate->setShowInformation(info);
 664         emit additionalInfoChanged(info);
 665     }
 666
 667     const bool showPreview = props.showPreview();
 668     if (showPreview != m_showPreview) {
 669         m_showPreview = showPreview;
 670         m_iconManager->setShowPreview(showPreview);
 671         emit showPreviewChanged();
 672     }
 673 }
 674
 675 void DolphinView::changeSelection(const KFileItemList& selection)
 676 {
 677     clearSelection();
 678     if (selection.isEmpty()) {
 679         return;
 680     }
 681     const KUrl& baseUrl = url();
 682     KUrl url;
 683     QItemSelection new_selection;
 684     foreach(const KFileItem& item, selection) {
 685         url = item.url().upUrl();
 686         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 687             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 688             new_selection.select(index, index);
 689         }
 690     }
 691     itemView()->selectionModel()->select(new_selection,
 692                                          QItemSelectionModel::ClearAndSelect
 693                                          | QItemSelectionModel::Current);
 694 }
 695
 696 void DolphinView::openContextMenu(const QPoint& pos)
 697 {
 698     KFileItem item;
 699
 700     const QModelIndex index = itemView()->indexAt(pos);
 701     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 702         item = fileItem(index);
 703     }
 704
 705     emit requestContextMenu(item, url());
 706 }
 707
 708 void DolphinView::dropUrls(const KUrl::List& urls,
 709                            const KUrl& destPath,
 710                            const KFileItem& destItem)
 711 {
 712     Q_ASSERT(!urls.isEmpty());
 713     const KUrl& destination = !destItem.isNull() && destItem.isDir() ?
 714                               destItem.url() : destPath;
 715     const KUrl sourceDir = KUrl(urls.first().directory());
 716     if (sourceDir != destination) {
 717         dropUrls(urls, destination);
 718     }
 719 }
 720
 721 void DolphinView::dropUrls(const KUrl::List& urls,
 722                            const KUrl& destination)
 723 {
 724     DolphinDropController dropController(this);
 725     // forward doingOperation signal up to the mainwindow
 726     connect(&dropController, SIGNAL(doingOperation(KonqFileUndoManager::CommandType)),
 727             this, SIGNAL(doingOperation(KonqFileUndoManager::CommandType)));
 728     dropController.dropUrls(urls, destination);
 729 }
 730
 731 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 732 {
 733     ViewProperties props(viewPropertiesUrl());
 734     props.setSorting(sorting);
 735
 736     m_proxyModel->setSorting(sorting);
 737
 738     emit sortingChanged(sorting);
 739 }
 740
 741 void DolphinView::updateSortOrder(Qt::SortOrder order)
 742 {
 743     ViewProperties props(viewPropertiesUrl());
 744     props.setSortOrder(order);
 745
 746     m_proxyModel->setSortOrder(order);
 747
 748     emit sortOrderChanged(order);
 749 }
 750
 751 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 752 {
 753     ViewProperties props(viewPropertiesUrl());
 754     props.setAdditionalInfo(info);
 755     props.save();
 756
 757     m_fileItemDelegate->setShowInformation(info);
 758
 759     emit additionalInfoChanged(info);
 760
 761 }
 762
 763 void DolphinView::emitContentsMoved()
 764 {
 765     // only emit the contents moved signal if:
 766     // - no directory loading is ongoing (this would reset the contents position
 767     //   always to (0, 0))
 768     // - if the Column View is active: the column view does an automatic
 769     //   positioning during the loading operation, which must be remembered
 770     if (!m_loadingDirectory || isColumnViewActive()) {
 771         const QPoint pos(contentsPosition());
 772         emit contentsMoved(pos.x(), pos.y());
 773     }
 774 }
 775
 776 void DolphinView::showHoverInformation(const KFileItem& item)
 777 {
 778     if (hasSelection() || !m_active) {
 779         return;
 780     }
 781
 782     emit requestItemInfo(item);
 783 }
 784
 785 void DolphinView::clearHoverInformation()
 786 {
 787     if (m_active) {
 788         emit requestItemInfo(KFileItem());
 789     }
 790 }
 791
 792 void DolphinView::createView()
 793 {
 794     deleteView();
 795     Q_ASSERT(m_iconsView == 0);
 796     Q_ASSERT(m_detailsView == 0);
 797     Q_ASSERT(m_columnView == 0);
 798
 799     QAbstractItemView* view = 0;
 800     switch (m_mode) {
 801     case IconsView: {
 802         m_iconsView = new DolphinIconsView(this, m_controller);
 803         view = m_iconsView;
 804         break;
 805     }
 806
 807     case DetailsView:
 808         m_detailsView = new DolphinDetailsView(this, m_controller);
 809         view = m_detailsView;
 810         break;
 811
 812     case ColumnView:
 813         m_columnView = new DolphinColumnView(this, m_controller);
 814         view = m_columnView;
 815         break;
 816     }
 817
 818     Q_ASSERT(view != 0);
 819
 820     m_fileItemDelegate = new KFileItemDelegate(view);
 821     view->setItemDelegate(m_fileItemDelegate);
 822
 823     view->setModel(m_proxyModel);
 824     if (m_selectionModel != 0) {
 825         view->setSelectionModel(m_selectionModel);
 826     } else {
 827         m_selectionModel = view->selectionModel();
 828     }
 829
 830     // reparent the selection model, as it should not be deleted
 831     // when deleting the model
 832     m_selectionModel->setParent(this);
 833
 834     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
 835
 836     new KMimeTypeResolver(view, m_dolphinModel);
 837     m_topLayout->insertWidget(1, view);
 838
 839     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
 840             this, SLOT(emitSelectionChangedSignal()));
 841     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
 842             this, SLOT(emitContentsMoved()));
 843     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
 844             this, SLOT(emitContentsMoved()));
 845 }
 846
 847 void DolphinView::deleteView()
 848 {
 849     QAbstractItemView* view = itemView();
 850     if (view != 0) {
 851         m_topLayout->removeWidget(view);
 852         view->close();
 853         view->deleteLater();
 854         view = 0;
 855         m_iconsView = 0;
 856         m_detailsView = 0;
 857         m_columnView = 0;
 858         m_fileItemDelegate = 0;
 859     }
 860 }
 861
 862 QAbstractItemView* DolphinView::itemView() const
 863 {
 864     if (m_detailsView != 0) {
 865         return m_detailsView;
 866     } else if (m_columnView != 0) {
 867         return m_columnView;
 868     }
 869
 870     return m_iconsView;
 871 }
 872
 873 bool DolphinView::isCutItem(const KFileItem& item) const
 874 {
 875     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 876     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
 877
 878     const KUrl& itemUrl = item.url();
 879     KUrl::List::const_iterator it = cutUrls.begin();
 880     const KUrl::List::const_iterator end = cutUrls.end();
 881     while (it != end) {
 882         if (*it == itemUrl) {
 883             return true;
 884         }
 885         ++it;
 886     }
 887
 888     return false;
 889 }
 890
 891 KToggleAction* DolphinView::iconsModeAction(KActionCollection* actionCollection)
 892 {
 893     KToggleAction* iconsView = actionCollection->add<KToggleAction>("icons");
 894     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 895     iconsView->setShortcut(Qt::CTRL | Qt::Key_1);
 896     iconsView->setIcon(KIcon("view-list-icons"));
 897     iconsView->setData(QVariant::fromValue(IconsView));
 898     return iconsView;
 899 }
 900
 901 KToggleAction* DolphinView::detailsModeAction(KActionCollection* actionCollection)
 902 {
 903     KToggleAction* detailsView = actionCollection->add<KToggleAction>("details");
 904     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 905     detailsView->setShortcut(Qt::CTRL | Qt::Key_2);
 906     detailsView->setIcon(KIcon("view-list-details"));
 907     detailsView->setData(QVariant::fromValue(DetailsView));
 908     return detailsView;
 909 }
 910
 911 KToggleAction* DolphinView::columnsModeAction(KActionCollection* actionCollection)
 912 {
 913     KToggleAction* columnView = actionCollection->add<KToggleAction>("columns");
 914     columnView->setText(i18nc("@action:inmenu View Mode", "Columns"));
 915     columnView->setShortcut(Qt::CTRL | Qt::Key_3);
 916     columnView->setIcon(KIcon("view-file-columns"));
 917     columnView->setData(QVariant::fromValue(ColumnView));
 918     return columnView;
 919 }
 920
 921 QString DolphinView::currentViewModeActionName() const
 922 {
 923     switch (m_mode) {
 924     case DolphinView::IconsView:
 925         return "icons";
 926     case DolphinView::DetailsView:
 927         return "details";
 928     case DolphinView::ColumnView:
 929         return "columns";
 930     }
 931     return QString(); // can't happen
 932 }
 933
 934 void DolphinView::renameSelectedItems()
 935 {
 936     const KFileItemList items = selectedItems();
 937     if (items.count() > 1) {
 938         // More than one item has been selected for renaming. Open
 939         // a rename dialog and rename all items afterwards.
 940         RenameDialog dialog(this, items);
 941         if (dialog.exec() == QDialog::Rejected) {
 942             return;
 943         }
 944
 945         const QString newName = dialog.newName();
 946         if (newName.isEmpty()) {
 947             emit errorMessage(dialog.errorString());
 948         } else {
 949             // TODO: check how this can be integrated into KonqFileUndoManager/KonqOperations
 950             // as one operation instead of n rename operations like it is done now...
 951             Q_ASSERT(newName.contains('#'));
 952
 953             // iterate through all selected items and rename them...
 954             int index = 1;
 955             foreach (KFileItem item, items) {
 956                 const KUrl& oldUrl = item.url();
 957                 QString number;
 958                 number.setNum(index++);
 959
 960                 QString name = newName;
 961                 name.replace('#', number);
 962
 963                 if (oldUrl.fileName() != name) {
 964                     KUrl newUrl = oldUrl;
 965                     newUrl.setFileName(name);
 966                     KonqOperations::rename(this, oldUrl, newUrl);
 967                     emit doingOperation(KonqFileUndoManager::RENAME);
 968                 }
 969             }
 970         }
 971     } else {
 972         // Only one item has been selected for renaming. Use the custom
 973         // renaming mechanism from the views.
 974         Q_ASSERT(items.count() == 1);
 975
 976         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 977         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 978         // is a benefit for the user at all -> let's wait for some input first...
 979         RenameDialog dialog(this, items);
 980         if (dialog.exec() == QDialog::Rejected) {
 981             return;
 982         }
 983
 984         const QString& newName = dialog.newName();
 985         if (newName.isEmpty()) {
 986             emit errorMessage(dialog.errorString());
 987         } else {
 988             const KUrl& oldUrl = items.first().url();
 989             KUrl newUrl = oldUrl;
 990             newUrl.setFileName(newName);
 991             KonqOperations::rename(this, oldUrl, newUrl);
 992             emit doingOperation(KonqFileUndoManager::RENAME);
 993         }
 994     }
 995 }
 996
 997 void DolphinView::trashSelectedItems()
 998 {
 999     emit doingOperation(KonqFileUndoManager::TRASH);
1000     KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
1001 }
1002
1003 void DolphinView::deleteSelectedItems()
1004 {
1005     const KUrl::List list = selectedUrls();
1006     const bool del = KonqOperations::askDeleteConfirmation(list,
1007                      KonqOperations::DEL,
1008                      KonqOperations::DEFAULT_CONFIRMATION,
1009                      this);
1010
1011     if (del) {
1012         KIO::Job* job = KIO::del(list);
1013         connect(job, SIGNAL(result(KJob*)),
1014                 this, SLOT(slotDeleteFileFinished(KJob*)));
1015     }
1016 }
1017
1018 void DolphinView::slotDeleteFileFinished(KJob* job)
1019 {
1020     if (job->error() == 0) {
1021         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1022     } else {
1023         emit errorMessage(job->errorString());
1024     }
1025 }
1026
1027 void DolphinView::cutSelectedItems()
1028 {
1029     QMimeData* mimeData = new QMimeData();
1030     const KUrl::List kdeUrls = selectedUrls();
1031     const KUrl::List mostLocalUrls;
1032     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
1033     QApplication::clipboard()->setMimeData(mimeData);
1034 }
1035
1036 void DolphinView::copySelectedItems()
1037 {
1038     QMimeData* mimeData = new QMimeData();
1039     const KUrl::List kdeUrls = selectedUrls();
1040     const KUrl::List mostLocalUrls;
1041     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
1042     QApplication::clipboard()->setMimeData(mimeData);
1043 }
1044
1045 void DolphinView::paste()
1046 {
1047     QClipboard* clipboard = QApplication::clipboard();
1048     const QMimeData* mimeData = clipboard->mimeData();
1049
1050     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1051
1052     // per default the pasting is done into the current Url of the view
1053     KUrl destUrl(url());
1054
1055     // check whether the pasting should be done into a selected directory
1056     const KUrl::List selectedUrls = this->selectedUrls();
1057     if (selectedUrls.count() == 1) {
1058         const KFileItem fileItem(S_IFDIR,
1059                                  KFileItem::Unknown,
1060                                  selectedUrls.first(),
1061                                  true);
1062         if (fileItem.isDir()) {
1063             // only one item is selected which is a directory, hence paste
1064             // into this directory
1065             destUrl = selectedUrls.first();
1066         }
1067     }
1068
1069     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1070         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, destUrl);
1071         emit doingOperation(KonqFileUndoManager::MOVE);
1072         clipboard->clear();
1073     } else {
1074         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, destUrl);
1075         emit doingOperation(KonqFileUndoManager::COPY);
1076     }
1077 }
1078
1079 QPair<bool, QString> DolphinView::pasteInfo() const
1080 {
1081     QPair<bool, QString> ret;
1082     QClipboard* clipboard = QApplication::clipboard();
1083     const QMimeData* mimeData = clipboard->mimeData();
1084
1085     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1086     if (!urls.isEmpty()) {
1087         ret.first = true;
1088         ret.second = i18ncp("@action:inmenu", "Paste One File", "Paste %1 Files", urls.count());
1089     } else {
1090         ret.first = false;
1091         ret.second = i18nc("@action:inmenu", "Paste");
1092     }
1093
1094     if (ret.first) {
1095         const KFileItemList items = selectedItems();
1096         const uint count = items.count();
1097         if (count > 1) {
1098             // pasting should not be allowed when more than one file
1099             // is selected
1100             ret.first = false;
1101         } else if (count == 1) {
1102             // Only one file is selected. Pasting is only allowed if this
1103             // file is a directory.
1104             ret.first = items.first().isDir();
1105         }
1106     }
1107     return ret;
1108 }
1109
1110 KAction* DolphinView::createRenameAction(KActionCollection* collection)
1111 {
1112     KAction* rename = collection->addAction("rename");
1113     rename->setText(i18nc("@action:inmenu File", "Rename..."));
1114     rename->setShortcut(Qt::Key_F2);
1115     return rename;
1116 }
1117
1118 KAction* DolphinView::createMoveToTrashAction(KActionCollection* collection)
1119 {
1120     KAction* moveToTrash = collection->addAction("move_to_trash");
1121     moveToTrash->setText(i18nc("@action:inmenu File", "Move to Trash"));
1122     moveToTrash->setIcon(KIcon("user-trash"));
1123     moveToTrash->setShortcut(QKeySequence::Delete);
1124     return moveToTrash;
1125 }
1126
1127 KAction* DolphinView::createDeleteAction(KActionCollection* collection)
1128 {
1129     KAction* deleteAction = collection->addAction("delete");
1130     deleteAction->setIcon(KIcon("edit-delete"));
1131     deleteAction->setText(i18nc("@action:inmenu File", "Delete"));
1132     deleteAction->setShortcut(Qt::SHIFT | Qt::Key_Delete);
1133     return deleteAction;
1134 }
1135
1136 #include "dolphinview.moc"