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     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     applyViewProperties(url);
 124     m_topLayout->addWidget(itemView());
 125 }
 126
 127 DolphinView::~DolphinView()
 128 {
 129 }
 130
 131 const KUrl& DolphinView::url() const
 132 {
 133     return m_controller->url();
 134 }
 135
 136 KUrl DolphinView::rootUrl() const
 137 {
 138     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 139 }
 140
 141 void DolphinView::setActive(bool active)
 142 {
 143     if (active == m_active) {
 144         return;
 145     }
 146
 147     m_active = active;
 148     m_selectionModel->clearSelection();
 149
 150     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 151     if (active) {
 152         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 153         // bypasses the problem when having a split view and changing the active view to
 154         // update the some URL dependent states. A nicer approach should be no big deal...
 155         emit urlChanged(url());
 156         emit selectionChanged(selectedItems());
 157     } else {
 158         color.setAlpha(150);
 159     }
 160
 161     QWidget* viewport = itemView()->viewport();
 162     QPalette palette;
 163     palette.setColor(viewport->backgroundRole(), color);
 164     viewport->setPalette(palette);
 165
 166     update();
 167
 168     if (active) {
 169         emit activated();
 170     }
 171
 172     m_controller->indicateActivationChange(active);
 173 }
 174
 175 bool DolphinView::isActive() const
 176 {
 177     return m_active;
 178 }
 179
 180 void DolphinView::setMode(Mode mode)
 181 {
 182     if (mode == m_mode) {
 183         return; // the wished mode is already set
 184     }
 185
 186     m_mode = mode;
 187
 188     if (isColumnViewActive()) {
 189         // When changing the mode in the column view, it makes sense
 190         // to go back to the root URL of the column view automatically.
 191         // Otherwise there it would not be possible to turn off the column view
 192         // without focusing the first column.
 193         const KUrl root = rootUrl();
 194         setUrl(root);
 195         m_controller->setUrl(root);
 196     }
 197
 198     deleteView();
 199
 200     const KUrl viewPropsUrl = viewPropertiesUrl();
 201     ViewProperties props(viewPropsUrl);
 202     props.setViewMode(m_mode);
 203     createView();
 204
 205     // the file item delegate has been recreated, apply the current
 206     // additional information manually
 207     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 208     m_fileItemDelegate->setShowInformation(infoList);
 209     emit additionalInfoChanged();
 210
 211     // Not all view modes support categorized sorting. Adjust the sorting model
 212     // if changing the view mode results in a change of the categorized sorting
 213     // capabilities.
 214     m_storedCategorizedSorting = props.categorizedSorting();
 215     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 216     if (categorized != m_proxyModel->isCategorizedModel()) {
 217         m_proxyModel->setCategorizedModel(categorized);
 218         emit categorizedSortingChanged();
 219     }
 220
 221     emit modeChanged();
 222 }
 223
 224 DolphinView::Mode DolphinView::mode() const
 225 {
 226     return m_mode;
 227 }
 228
 229 void DolphinView::setShowPreview(bool show)
 230 {
 231     if (m_showPreview == show) {
 232         return;
 233     }
 234
 235     const KUrl viewPropsUrl = viewPropertiesUrl();
 236     ViewProperties props(viewPropsUrl);
 237     props.setShowPreview(show);
 238
 239     m_showPreview = show;
 240     m_iconManager->setShowPreview(show);
 241     emit showPreviewChanged();
 242
 243     loadDirectory(viewPropsUrl, true);
 244 }
 245
 246 bool DolphinView::showPreview() const
 247 {
 248     return m_showPreview;
 249 }
 250
 251 void DolphinView::setShowHiddenFiles(bool show)
 252 {
 253     if (m_dirLister->showingDotFiles() == show) {
 254         return;
 255     }
 256
 257     const KUrl viewPropsUrl = viewPropertiesUrl();
 258     ViewProperties props(viewPropsUrl);
 259     props.setShowHiddenFiles(show);
 260
 261     m_dirLister->setShowingDotFiles(show);
 262     emit showHiddenFilesChanged();
 263
 264     loadDirectory(viewPropsUrl, true);
 265 }
 266
 267 bool DolphinView::showHiddenFiles() const
 268 {
 269     return m_dirLister->showingDotFiles();
 270 }
 271
 272 void DolphinView::setCategorizedSorting(bool categorized)
 273 {
 274     if (categorized == categorizedSorting()) {
 275         return;
 276     }
 277
 278     // setCategorizedSorting(true) may only get invoked
 279     // if the view supports categorized sorting
 280     Q_ASSERT(!categorized || supportsCategorizedSorting());
 281
 282     ViewProperties props(viewPropertiesUrl());
 283     props.setCategorizedSorting(categorized);
 284     props.save();
 285
 286     m_storedCategorizedSorting = categorized;
 287     m_proxyModel->setCategorizedModel(categorized);
 288
 289     emit categorizedSortingChanged();
 290 }
 291
 292 bool DolphinView::categorizedSorting() const
 293 {
 294     // If all view modes would support categorized sorting, returning
 295     // m_proxyModel->isCategorizedModel() would be the way to go. As
 296     // currently only the icons view supports caterized sorting, we remember
 297     // the stored view properties state in m_storedCategorizedSorting and
 298     // return this state. The application takes care to disable the corresponding
 299     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 300     // that this setting is not applied to the current view mode.
 301     return m_storedCategorizedSorting;
 302 }
 303
 304 bool DolphinView::supportsCategorizedSorting() const
 305 {
 306     return m_iconsView != 0;
 307 }
 308
 309 void DolphinView::selectAll()
 310 {
 311     QAbstractItemView* view = itemView();
 312     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 313     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 314     // selection instead of selecting all items. This is bypassed for KDE 4.0
 315     // by invoking clearSelection() first.
 316     view->clearSelection();
 317     view->selectAll();
 318 }
 319
 320 void DolphinView::invertSelection()
 321 {
 322     if (isColumnViewActive()) {
 323         // QAbstractItemView does not offer a virtual method invertSelection()
 324         // as counterpart to QAbstractItemView::selectAll(). This makes it
 325         // necessary to delegate the inverting of the selection to the
 326         // column view, as only the selection of the active column should
 327         // get inverted.
 328         m_columnView->invertSelection();
 329     } else {
 330         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 331         const QAbstractItemModel* itemModel = selectionModel->model();
 332
 333         const QModelIndex topLeft = itemModel->index(0, 0);
 334         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 335                                                          itemModel->columnCount() - 1);
 336
 337         const QItemSelection selection(topLeft, bottomRight);
 338         selectionModel->select(selection, QItemSelectionModel::Toggle);
 339     }
 340 }
 341
 342 bool DolphinView::hasSelection() const
 343 {
 344     return itemView()->selectionModel()->hasSelection();
 345 }
 346
 347 void DolphinView::clearSelection()
 348 {
 349     itemView()->selectionModel()->clear();
 350 }
 351
 352 KFileItemList DolphinView::selectedItems() const
 353 {
 354     const QAbstractItemView* view = itemView();
 355
 356     // Our view has a selection, we will map them back to the DolphinModel
 357     // and then fill the KFileItemList.
 358     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 359
 360     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 361     KFileItemList itemList;
 362
 363     const QModelIndexList indexList = selection.indexes();
 364     foreach (QModelIndex index, indexList) {
 365         KFileItem item = m_dolphinModel->itemForIndex(index);
 366         if (!item.isNull()) {
 367             itemList.append(item);
 368         }
 369     }
 370
 371     return itemList;
 372 }
 373
 374 KUrl::List DolphinView::selectedUrls() const
 375 {
 376     KUrl::List urls;
 377     const KFileItemList list = selectedItems();
 378     foreach (KFileItem item, list) {
 379         urls.append(item.url());
 380     }
 381     return urls;
 382 }
 383
 384 KFileItem DolphinView::fileItem(const QModelIndex& index) const
 385 {
 386     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 387     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 388 }
 389
 390 void DolphinView::setContentsPosition(int x, int y)
 391 {
 392     QAbstractItemView* view = itemView();
 393
 394     // the ColumnView takes care itself for the horizontal scrolling
 395     if (!isColumnViewActive()) {
 396         view->horizontalScrollBar()->setValue(x);
 397     }
 398     view->verticalScrollBar()->setValue(y);
 399
 400     m_loadingDirectory = false;
 401 }
 402
 403 QPoint DolphinView::contentsPosition() const
 404 {
 405     const int x = itemView()->horizontalScrollBar()->value();
 406     const int y = itemView()->verticalScrollBar()->value();
 407     return QPoint(x, y);
 408 }
 409
 410 void DolphinView::zoomIn()
 411 {
 412     m_controller->triggerZoomIn();
 413     reload();
 414 }
 415
 416 void DolphinView::zoomOut()
 417 {
 418     m_controller->triggerZoomOut();
 419     reload();
 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();
 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();
 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::toggleSortOrder()
 752 {
 753     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 754                                 Qt::DescendingOrder :
 755                                 Qt::AscendingOrder;
 756     setSortOrder(order);
 757 }
 758
 759 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 760 {
 761     ViewProperties props(viewPropertiesUrl());
 762     props.setAdditionalInfo(info);
 763     props.save();
 764
 765     m_fileItemDelegate->setShowInformation(info);
 766
 767     emit additionalInfoChanged(); // will call updateAdditionalInfoActions just below
 768 }
 769
 770 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 771 {
 772     const bool enable = (m_mode == DolphinView::DetailsView) ||
 773                         (m_mode == DolphinView::IconsView);
 774
 775     QAction* showSizeInfo = collection->action("show_size_info");
 776     QAction* showDateInfo = collection->action("show_date_info");
 777     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 778     QAction* showOwnerInfo = collection->action("show_owner_info");
 779     QAction* showGroupInfo = collection->action("show_group_info");
 780     QAction* showMimeInfo = collection->action("show_mime_info");
 781
 782     showSizeInfo->setChecked(false);
 783     showDateInfo->setChecked(false);
 784     showPermissionsInfo->setChecked(false);
 785     showOwnerInfo->setChecked(false);
 786     showGroupInfo->setChecked(false);
 787     showMimeInfo->setChecked(false);
 788
 789     showSizeInfo->setEnabled(enable);
 790     showDateInfo->setEnabled(enable);
 791     showPermissionsInfo->setEnabled(enable);
 792     showOwnerInfo->setEnabled(enable);
 793     showGroupInfo->setEnabled(enable);
 794     showMimeInfo->setEnabled(enable);
 795
 796     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
 797         switch (info) {
 798         case KFileItemDelegate::Size:
 799             showSizeInfo->setChecked(true);
 800             break;
 801         case KFileItemDelegate::ModificationTime:
 802             showDateInfo->setChecked(true);
 803             break;
 804         case KFileItemDelegate::Permissions:
 805             showPermissionsInfo->setChecked(true);
 806             break;
 807         case KFileItemDelegate::Owner:
 808             showOwnerInfo->setChecked(true);
 809             break;
 810         case KFileItemDelegate::OwnerAndGroup:
 811             showGroupInfo->setChecked(true);
 812             break;
 813         case KFileItemDelegate::FriendlyMimeType:
 814             showMimeInfo->setChecked(true);
 815             break;
 816         default:
 817             break;
 818         }
 819     }
 820 }
 821
 822 void DolphinView::toggleAdditionalInfo(QAction* action)
 823 {
 824     const KFileItemDelegate::Information info =
 825         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 826
 827     KFileItemDelegate::InformationList list = additionalInfo();
 828
 829     const bool show = action->isChecked();
 830
 831     const int index = list.indexOf(info);
 832     const bool containsInfo = (index >= 0);
 833     if (show && !containsInfo) {
 834         list.append(info);
 835         setAdditionalInfo(list);
 836     } else if (!show && containsInfo) {
 837         list.removeAt(index);
 838         setAdditionalInfo(list);
 839         Q_ASSERT(list.indexOf(info) < 0);
 840     }
 841 }
 842
 843 void DolphinView::emitContentsMoved()
 844 {
 845     // only emit the contents moved signal if:
 846     // - no directory loading is ongoing (this would reset the contents position
 847     //   always to (0, 0))
 848     // - if the Column View is active: the column view does an automatic
 849     //   positioning during the loading operation, which must be remembered
 850     if (!m_loadingDirectory || isColumnViewActive()) {
 851         const QPoint pos(contentsPosition());
 852         emit contentsMoved(pos.x(), pos.y());
 853     }
 854 }
 855
 856 void DolphinView::showHoverInformation(const KFileItem& item)
 857 {
 858     if (hasSelection() || !m_active) {
 859         return;
 860     }
 861
 862     emit requestItemInfo(item);
 863 }
 864
 865 void DolphinView::clearHoverInformation()
 866 {
 867     if (m_active) {
 868         emit requestItemInfo(KFileItem());
 869     }
 870 }
 871
 872 void DolphinView::createView()
 873 {
 874     deleteView();
 875     Q_ASSERT(m_iconsView == 0);
 876     Q_ASSERT(m_detailsView == 0);
 877     Q_ASSERT(m_columnView == 0);
 878
 879     QAbstractItemView* view = 0;
 880     switch (m_mode) {
 881     case IconsView: {
 882         m_iconsView = new DolphinIconsView(this, m_controller);
 883         view = m_iconsView;
 884         break;
 885     }
 886
 887     case DetailsView:
 888         m_detailsView = new DolphinDetailsView(this, m_controller);
 889         view = m_detailsView;
 890         break;
 891
 892     case ColumnView:
 893         m_columnView = new DolphinColumnView(this, m_controller);
 894         view = m_columnView;
 895         break;
 896     }
 897
 898     Q_ASSERT(view != 0);
 899
 900     m_fileItemDelegate = new KFileItemDelegate(view);
 901     view->setItemDelegate(m_fileItemDelegate);
 902
 903     view->setModel(m_proxyModel);
 904     if (m_selectionModel != 0) {
 905         view->setSelectionModel(m_selectionModel);
 906     } else {
 907         m_selectionModel = view->selectionModel();
 908     }
 909
 910     // reparent the selection model, as it should not be deleted
 911     // when deleting the model
 912     m_selectionModel->setParent(this);
 913
 914     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
 915
 916     new KMimeTypeResolver(view, m_dolphinModel);
 917     m_iconManager = new IconManager(view, m_proxyModel);
 918     m_iconManager->setShowPreview(m_showPreview);
 919
 920     m_topLayout->insertWidget(1, view);
 921
 922     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
 923             this, SLOT(emitSelectionChangedSignal()));
 924     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
 925             this, SLOT(emitContentsMoved()));
 926     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
 927             this, SLOT(emitContentsMoved()));
 928 }
 929
 930 void DolphinView::deleteView()
 931 {
 932     QAbstractItemView* view = itemView();
 933     if (view != 0) {
 934         m_topLayout->removeWidget(view);
 935         view->close();
 936         view->deleteLater();
 937         view = 0;
 938         m_iconsView = 0;
 939         m_detailsView = 0;
 940         m_columnView = 0;
 941         m_fileItemDelegate = 0;
 942         m_iconManager = 0;
 943     }
 944 }
 945
 946 QAbstractItemView* DolphinView::itemView() const
 947 {
 948     if (m_detailsView != 0) {
 949         return m_detailsView;
 950     } else if (m_columnView != 0) {
 951         return m_columnView;
 952     }
 953
 954     return m_iconsView;
 955 }
 956
 957 bool DolphinView::isCutItem(const KFileItem& item) const
 958 {
 959     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 960     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
 961
 962     const KUrl& itemUrl = item.url();
 963     KUrl::List::const_iterator it = cutUrls.begin();
 964     const KUrl::List::const_iterator end = cutUrls.end();
 965     while (it != end) {
 966         if (*it == itemUrl) {
 967             return true;
 968         }
 969         ++it;
 970     }
 971
 972     return false;
 973 }
 974
 975 KToggleAction* DolphinView::iconsModeAction(KActionCollection* actionCollection)
 976 {
 977     KToggleAction* iconsView = actionCollection->add<KToggleAction>("icons");
 978     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 979     iconsView->setShortcut(Qt::CTRL | Qt::Key_1);
 980     iconsView->setIcon(KIcon("view-list-icons"));
 981     iconsView->setData(QVariant::fromValue(IconsView));
 982     return iconsView;
 983 }
 984
 985 KToggleAction* DolphinView::detailsModeAction(KActionCollection* actionCollection)
 986 {
 987     KToggleAction* detailsView = actionCollection->add<KToggleAction>("details");
 988     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 989     detailsView->setShortcut(Qt::CTRL | Qt::Key_2);
 990     detailsView->setIcon(KIcon("view-list-details"));
 991     detailsView->setData(QVariant::fromValue(DetailsView));
 992     return detailsView;
 993 }
 994
 995 KToggleAction* DolphinView::columnsModeAction(KActionCollection* actionCollection)
 996 {
 997     KToggleAction* columnView = actionCollection->add<KToggleAction>("columns");
 998     columnView->setText(i18nc("@action:inmenu View Mode", "Columns"));
 999     columnView->setShortcut(Qt::CTRL | Qt::Key_3);
1000     columnView->setIcon(KIcon("view-file-columns"));
1001     columnView->setData(QVariant::fromValue(ColumnView));
1002     return columnView;
1003 }
1004
1005 QString DolphinView::currentViewModeActionName() const
1006 {
1007     switch (m_mode) {
1008     case DolphinView::IconsView:
1009         return "icons";
1010     case DolphinView::DetailsView:
1011         return "details";
1012     case DolphinView::ColumnView:
1013         return "columns";
1014     }
1015     return QString(); // can't happen
1016 }
1017
1018 void DolphinView::renameSelectedItems()
1019 {
1020     const KFileItemList items = selectedItems();
1021     if (items.count() > 1) {
1022         // More than one item has been selected for renaming. Open
1023         // a rename dialog and rename all items afterwards.
1024         RenameDialog dialog(this, items);
1025         if (dialog.exec() == QDialog::Rejected) {
1026             return;
1027         }
1028
1029         const QString newName = dialog.newName();
1030         if (newName.isEmpty()) {
1031             emit errorMessage(dialog.errorString());
1032         } else {
1033             // TODO: check how this can be integrated into KonqFileUndoManager/KonqOperations
1034             // as one operation instead of n rename operations like it is done now...
1035             Q_ASSERT(newName.contains('#'));
1036
1037             // iterate through all selected items and rename them...
1038             int index = 1;
1039             foreach (KFileItem item, items) {
1040                 const KUrl& oldUrl = item.url();
1041                 QString number;
1042                 number.setNum(index++);
1043
1044                 QString name = newName;
1045                 name.replace('#', number);
1046
1047                 if (oldUrl.fileName() != name) {
1048                     KUrl newUrl = oldUrl;
1049                     newUrl.setFileName(name);
1050                     KonqOperations::rename(this, oldUrl, newUrl);
1051                     emit doingOperation(KonqFileUndoManager::RENAME);
1052                 }
1053             }
1054         }
1055     } else {
1056         // Only one item has been selected for renaming. Use the custom
1057         // renaming mechanism from the views.
1058         Q_ASSERT(items.count() == 1);
1059
1060         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
1061         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
1062         // is a benefit for the user at all -> let's wait for some input first...
1063         RenameDialog dialog(this, items);
1064         if (dialog.exec() == QDialog::Rejected) {
1065             return;
1066         }
1067
1068         const QString& newName = dialog.newName();
1069         if (newName.isEmpty()) {
1070             emit errorMessage(dialog.errorString());
1071         } else {
1072             const KUrl& oldUrl = items.first().url();
1073             KUrl newUrl = oldUrl;
1074             newUrl.setFileName(newName);
1075             KonqOperations::rename(this, oldUrl, newUrl);
1076             emit doingOperation(KonqFileUndoManager::RENAME);
1077         }
1078     }
1079 }
1080
1081 void DolphinView::trashSelectedItems()
1082 {
1083     emit doingOperation(KonqFileUndoManager::TRASH);
1084     KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
1085 }
1086
1087 void DolphinView::deleteSelectedItems()
1088 {
1089     const KUrl::List list = selectedUrls();
1090     const bool del = KonqOperations::askDeleteConfirmation(list,
1091                      KonqOperations::DEL,
1092                      KonqOperations::DEFAULT_CONFIRMATION,
1093                      this);
1094
1095     if (del) {
1096         KIO::Job* job = KIO::del(list);
1097         connect(job, SIGNAL(result(KJob*)),
1098                 this, SLOT(slotDeleteFileFinished(KJob*)));
1099     }
1100 }
1101
1102 void DolphinView::slotDeleteFileFinished(KJob* job)
1103 {
1104     if (job->error() == 0) {
1105         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1106     } else {
1107         emit errorMessage(job->errorString());
1108     }
1109 }
1110
1111 void DolphinView::cutSelectedItems()
1112 {
1113     QMimeData* mimeData = new QMimeData();
1114     const KUrl::List kdeUrls = selectedUrls();
1115     const KUrl::List mostLocalUrls;
1116     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
1117     QApplication::clipboard()->setMimeData(mimeData);
1118 }
1119
1120 void DolphinView::copySelectedItems()
1121 {
1122     QMimeData* mimeData = new QMimeData();
1123     const KUrl::List kdeUrls = selectedUrls();
1124     const KUrl::List mostLocalUrls;
1125     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
1126     QApplication::clipboard()->setMimeData(mimeData);
1127 }
1128
1129 void DolphinView::paste()
1130 {
1131     QClipboard* clipboard = QApplication::clipboard();
1132     const QMimeData* mimeData = clipboard->mimeData();
1133
1134     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1135
1136     // per default the pasting is done into the current Url of the view
1137     KUrl destUrl(url());
1138
1139     // check whether the pasting should be done into a selected directory
1140     const KUrl::List selectedUrls = this->selectedUrls();
1141     if (selectedUrls.count() == 1) {
1142         const KFileItem fileItem(S_IFDIR,
1143                                  KFileItem::Unknown,
1144                                  selectedUrls.first(),
1145                                  true);
1146         if (fileItem.isDir()) {
1147             // only one item is selected which is a directory, hence paste
1148             // into this directory
1149             destUrl = selectedUrls.first();
1150         }
1151     }
1152
1153     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1154         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, destUrl);
1155         emit doingOperation(KonqFileUndoManager::MOVE);
1156         clipboard->clear();
1157     } else {
1158         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, destUrl);
1159         emit doingOperation(KonqFileUndoManager::COPY);
1160     }
1161 }
1162
1163 QPair<bool, QString> DolphinView::pasteInfo() const
1164 {
1165     QPair<bool, QString> ret;
1166     QClipboard* clipboard = QApplication::clipboard();
1167     const QMimeData* mimeData = clipboard->mimeData();
1168
1169     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1170     if (!urls.isEmpty()) {
1171         ret.first = true;
1172         ret.second = i18ncp("@action:inmenu", "Paste One File", "Paste %1 Files", urls.count());
1173     } else {
1174         ret.first = false;
1175         ret.second = i18nc("@action:inmenu", "Paste");
1176     }
1177
1178     if (ret.first) {
1179         const KFileItemList items = selectedItems();
1180         const uint count = items.count();
1181         if (count > 1) {
1182             // pasting should not be allowed when more than one file
1183             // is selected
1184             ret.first = false;
1185         } else if (count == 1) {
1186             // Only one file is selected. Pasting is only allowed if this
1187             // file is a directory.
1188             ret.first = items.first().isDir();
1189         }
1190     }
1191     return ret;
1192 }
1193
1194 KAction* DolphinView::createRenameAction(KActionCollection* collection)
1195 {
1196     KAction* rename = collection->addAction("rename");
1197     rename->setText(i18nc("@action:inmenu File", "Rename..."));
1198     rename->setShortcut(Qt::Key_F2);
1199     return rename;
1200 }
1201
1202 KAction* DolphinView::createMoveToTrashAction(KActionCollection* collection)
1203 {
1204     KAction* moveToTrash = collection->addAction("move_to_trash");
1205     moveToTrash->setText(i18nc("@action:inmenu File", "Move to Trash"));
1206     moveToTrash->setIcon(KIcon("user-trash"));
1207     moveToTrash->setShortcut(QKeySequence::Delete);
1208     return moveToTrash;
1209 }
1210
1211 KAction* DolphinView::createDeleteAction(KActionCollection* collection)
1212 {
1213     KAction* deleteAction = collection->addAction("delete");
1214     deleteAction->setIcon(KIcon("edit-delete"));
1215     deleteAction->setText(i18nc("@action:inmenu File", "Delete"));
1216     deleteAction->setShortcut(Qt::SHIFT | Qt::Key_Delete);
1217     return deleteAction;
1218 }
1219
1220 KAction* DolphinView::createNewDirAction(KActionCollection* collection)
1221 {
1222     // This action doesn't appear in the GUI, it's for the shortcut only.
1223     // KNewMenu takes care of the GUI stuff.
1224     KAction* newDirAction = collection->addAction("create_dir");
1225     newDirAction->setText(i18n("Create Folder..."));
1226     newDirAction->setShortcut(Qt::Key_F10);
1227     return newDirAction;
1228 }
1229
1230 KAction* DolphinView::createSortDescendingAction(KActionCollection* collection)
1231 {
1232     KToggleAction* sortDescending = collection->add<KToggleAction>("descending");
1233     sortDescending->setText(i18nc("@action:inmenu Sort", "Descending"));
1234     return sortDescending;
1235 }
1236
1237 QActionGroup* DolphinView::createAdditionalInformationActionGroup(KActionCollection* collection)
1238 {
1239     QActionGroup* showInformationGroup = new QActionGroup(collection);
1240     showInformationGroup->setExclusive(false);
1241
1242     KToggleAction* showSizeInfo = collection->add<KToggleAction>("show_size_info");
1243     showSizeInfo->setText(i18nc("@action:inmenu Additional information", "Size"));
1244     showSizeInfo->setData(KFileItemDelegate::Size);
1245     showSizeInfo->setActionGroup(showInformationGroup);
1246
1247     KToggleAction* showDateInfo = collection->add<KToggleAction>("show_date_info");
1248     showDateInfo->setText(i18nc("@action:inmenu Additional information", "Date"));
1249     showDateInfo->setData(KFileItemDelegate::ModificationTime);
1250     showDateInfo->setActionGroup(showInformationGroup);
1251
1252     KToggleAction* showPermissionsInfo = collection->add<KToggleAction>("show_permissions_info");
1253     showPermissionsInfo->setText(i18nc("@action:inmenu Additional information", "Permissions"));
1254     showPermissionsInfo->setData(KFileItemDelegate::Permissions);
1255     showPermissionsInfo->setActionGroup(showInformationGroup);
1256
1257     KToggleAction* showOwnerInfo = collection->add<KToggleAction>("show_owner_info");
1258     showOwnerInfo->setText(i18nc("@action:inmenu Additional information", "Owner"));
1259     showOwnerInfo->setData(KFileItemDelegate::Owner);
1260     showOwnerInfo->setActionGroup(showInformationGroup);
1261
1262     KToggleAction* showGroupInfo = collection->add<KToggleAction>("show_group_info");
1263     showGroupInfo->setText(i18nc("@action:inmenu Additional information", "Group"));
1264     showGroupInfo->setData(KFileItemDelegate::OwnerAndGroup);
1265     showGroupInfo->setActionGroup(showInformationGroup);
1266
1267     KToggleAction* showMimeInfo = collection->add<KToggleAction>("show_mime_info");
1268     showMimeInfo->setText(i18nc("@action:inmenu Additional information", "Type"));
1269     showMimeInfo->setData(KFileItemDelegate::FriendlyMimeType);
1270     showMimeInfo->setActionGroup(showInformationGroup);
1271
1272     return showInformationGroup;
1273 }
1274
1275 #include "dolphinview.moc"