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                          KActionCollection* actionCollection) :
  67     QWidget(parent),
  68     m_active(true),
  69     m_showPreview(false),
  70     m_loadingDirectory(false),
  71     m_storedCategorizedSorting(false),
  72     m_mode(DolphinView::IconsView),
  73     m_topLayout(0),
  74     m_controller(0),
  75     m_iconsView(0),
  76     m_detailsView(0),
  77     m_columnView(0),
  78     m_fileItemDelegate(0),
  79     m_selectionModel(0),
  80     m_dolphinModel(dolphinModel),
  81     m_dirLister(dirLister),
  82     m_proxyModel(proxyModel),
  83     m_iconManager(0)
  84 {
  85     setFocusPolicy(Qt::StrongFocus);
  86     m_topLayout = new QVBoxLayout(this);
  87     m_topLayout->setSpacing(0);
  88     m_topLayout->setMargin(0);
  89
  90     connect(m_dirLister, SIGNAL(completed()),
  91             this, SLOT(updateCutItems()));
  92
  93     m_controller = new DolphinController(this);
  94     m_controller->setUrl(url);
  95
  96     // Receiver of the DolphinView signal 'urlChanged()' don't need
  97     // to care whether the internal controller changed the URL already or whether
  98     // the controller just requested an URL change and will be updated later.
  99     // In both cases the URL has been changed:
 100     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 101             this, SIGNAL(urlChanged(const KUrl&)));
 102     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 103             this, SIGNAL(urlChanged(const KUrl&)));
 104
 105     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 106             this, SLOT(openContextMenu(const QPoint&)));
 107     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&, const KFileItem&)),
 108             this, SLOT(dropUrls(const KUrl::List&, const KUrl&, const KFileItem&)));
 109     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 110             this, SLOT(updateSorting(DolphinView::Sorting)));
 111     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 112             this, SLOT(updateSortOrder(Qt::SortOrder)));
 113     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 114             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 115     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 116             this, SLOT(triggerItem(const KFileItem&)));
 117     connect(m_controller, SIGNAL(activated()),
 118             this, SLOT(activate()));
 119     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 120             this, SLOT(showHoverInformation(const KFileItem&)));
 121     connect(m_controller, SIGNAL(viewportEntered()),
 122             this, SLOT(clearHoverInformation()));
 123
 124     applyViewProperties(url);
 125     m_topLayout->addWidget(itemView());
 126
 127     Q_ASSERT(actionCollection != 0);
 128     if (actionCollection->action("create_dir") == 0) {
 129         // This action doesn't appear in the GUI, it's for the shortcut only.
 130         // KNewMenu takes care of the GUI stuff.
 131         KAction* newDirAction = actionCollection->addAction("create_dir");
 132         newDirAction->setText(i18n("Create Folder..."));
 133         connect(newDirAction, SIGNAL(triggered()), SLOT(createDir()));
 134         newDirAction->setShortcut(Qt::Key_F10);
 135     }
 136 }
 137
 138 DolphinView::~DolphinView()
 139 {
 140 }
 141
 142 const KUrl& DolphinView::url() const
 143 {
 144     return m_controller->url();
 145 }
 146
 147 KUrl DolphinView::rootUrl() const
 148 {
 149     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 150 }
 151
 152 void DolphinView::setActive(bool active)
 153 {
 154     if (active == m_active) {
 155         return;
 156     }
 157
 158     m_active = active;
 159     m_selectionModel->clearSelection();
 160
 161     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 162     if (active) {
 163         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 164         // bypasses the problem when having a split view and changing the active view to
 165         // update the some URL dependent states. A nicer approach should be no big deal...
 166         emit urlChanged(url());
 167         emit selectionChanged(selectedItems());
 168     } else {
 169         color.setAlpha(150);
 170     }
 171
 172     QWidget* viewport = itemView()->viewport();
 173     QPalette palette;
 174     palette.setColor(viewport->backgroundRole(), color);
 175     viewport->setPalette(palette);
 176
 177     update();
 178
 179     if (active) {
 180         emit activated();
 181     }
 182
 183     m_controller->indicateActivationChange(active);
 184 }
 185
 186 bool DolphinView::isActive() const
 187 {
 188     return m_active;
 189 }
 190
 191 void DolphinView::setMode(Mode mode)
 192 {
 193     if (mode == m_mode) {
 194         return; // the wished mode is already set
 195     }
 196
 197     m_mode = mode;
 198
 199     if (isColumnViewActive()) {
 200         // When changing the mode in the column view, it makes sense
 201         // to go back to the root URL of the column view automatically.
 202         // Otherwise there it would not be possible to turn off the column view
 203         // without focusing the first column.
 204         const KUrl root = rootUrl();
 205         setUrl(root);
 206         m_controller->setUrl(root);
 207     }
 208
 209     deleteView();
 210
 211     const KUrl viewPropsUrl = viewPropertiesUrl();
 212     ViewProperties props(viewPropsUrl);
 213     props.setViewMode(m_mode);
 214     createView();
 215
 216     // the file item delegate has been recreated, apply the current
 217     // additional information manually
 218     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 219     m_fileItemDelegate->setShowInformation(infoList);
 220     emit additionalInfoChanged(infoList);
 221
 222     // Not all view modes support categorized sorting. Adjust the sorting model
 223     // if changing the view mode results in a change of the categorized sorting
 224     // capabilities.
 225     m_storedCategorizedSorting = props.categorizedSorting();
 226     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 227     if (categorized != m_proxyModel->isCategorizedModel()) {
 228         m_proxyModel->setCategorizedModel(categorized);
 229         emit categorizedSortingChanged();
 230     }
 231
 232     emit modeChanged();
 233 }
 234
 235 DolphinView::Mode DolphinView::mode() const
 236 {
 237     return m_mode;
 238 }
 239
 240 void DolphinView::setShowPreview(bool show)
 241 {
 242     if (m_showPreview == show) {
 243         return;
 244     }
 245
 246     const KUrl viewPropsUrl = viewPropertiesUrl();
 247     ViewProperties props(viewPropsUrl);
 248     props.setShowPreview(show);
 249
 250     m_showPreview = show;
 251     m_iconManager->setShowPreview(show);
 252     emit showPreviewChanged();
 253
 254     loadDirectory(viewPropsUrl, true);
 255 }
 256
 257 bool DolphinView::showPreview() const
 258 {
 259     return m_showPreview;
 260 }
 261
 262 void DolphinView::setShowHiddenFiles(bool show)
 263 {
 264     if (m_dirLister->showingDotFiles() == show) {
 265         return;
 266     }
 267
 268     const KUrl viewPropsUrl = viewPropertiesUrl();
 269     ViewProperties props(viewPropsUrl);
 270     props.setShowHiddenFiles(show);
 271
 272     m_dirLister->setShowingDotFiles(show);
 273     emit showHiddenFilesChanged();
 274
 275     loadDirectory(viewPropsUrl, true);
 276 }
 277
 278 bool DolphinView::showHiddenFiles() const
 279 {
 280     return m_dirLister->showingDotFiles();
 281 }
 282
 283 void DolphinView::setCategorizedSorting(bool categorized)
 284 {
 285     if (categorized == categorizedSorting()) {
 286         return;
 287     }
 288
 289     // setCategorizedSorting(true) may only get invoked
 290     // if the view supports categorized sorting
 291     Q_ASSERT(!categorized || supportsCategorizedSorting());
 292
 293     ViewProperties props(viewPropertiesUrl());
 294     props.setCategorizedSorting(categorized);
 295     props.save();
 296
 297     m_storedCategorizedSorting = categorized;
 298     m_proxyModel->setCategorizedModel(categorized);
 299
 300     emit categorizedSortingChanged();
 301 }
 302
 303 bool DolphinView::categorizedSorting() const
 304 {
 305     // If all view modes would support categorized sorting, returning
 306     // m_proxyModel->isCategorizedModel() would be the way to go. As
 307     // currently only the icons view supports caterized sorting, we remember
 308     // the stored view properties state in m_storedCategorizedSorting and
 309     // return this state. The application takes care to disable the corresponding
 310     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 311     // that this setting is not applied to the current view mode.
 312     return m_storedCategorizedSorting;
 313 }
 314
 315 bool DolphinView::supportsCategorizedSorting() const
 316 {
 317     return m_iconsView != 0;
 318 }
 319
 320 void DolphinView::selectAll()
 321 {
 322     QAbstractItemView* view = itemView();
 323     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 324     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 325     // selection instead of selecting all items. This is bypassed for KDE 4.0
 326     // by invoking clearSelection() first.
 327     view->clearSelection();
 328     view->selectAll();
 329 }
 330
 331 void DolphinView::invertSelection()
 332 {
 333     if (isColumnViewActive()) {
 334         // QAbstractItemView does not offer a virtual method invertSelection()
 335         // as counterpart to QAbstractItemView::selectAll(). This makes it
 336         // necessary to delegate the inverting of the selection to the
 337         // column view, as only the selection of the active column should
 338         // get inverted.
 339         m_columnView->invertSelection();
 340     } else {
 341         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 342         const QAbstractItemModel* itemModel = selectionModel->model();
 343
 344         const QModelIndex topLeft = itemModel->index(0, 0);
 345         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 346                                                          itemModel->columnCount() - 1);
 347
 348         const QItemSelection selection(topLeft, bottomRight);
 349         selectionModel->select(selection, QItemSelectionModel::Toggle);
 350     }
 351 }
 352
 353 bool DolphinView::hasSelection() const
 354 {
 355     return itemView()->selectionModel()->hasSelection();
 356 }
 357
 358 void DolphinView::clearSelection()
 359 {
 360     itemView()->selectionModel()->clear();
 361 }
 362
 363 KFileItemList DolphinView::selectedItems() const
 364 {
 365     const QAbstractItemView* view = itemView();
 366
 367     // Our view has a selection, we will map them back to the DolphinModel
 368     // and then fill the KFileItemList.
 369     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 370
 371     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 372     KFileItemList itemList;
 373
 374     const QModelIndexList indexList = selection.indexes();
 375     foreach (QModelIndex index, indexList) {
 376         KFileItem item = m_dolphinModel->itemForIndex(index);
 377         if (!item.isNull()) {
 378             itemList.append(item);
 379         }
 380     }
 381
 382     return itemList;
 383 }
 384
 385 KUrl::List DolphinView::selectedUrls() const
 386 {
 387     KUrl::List urls;
 388     const KFileItemList list = selectedItems();
 389     foreach (KFileItem item, list) {
 390         urls.append(item.url());
 391     }
 392     return urls;
 393 }
 394
 395 KFileItem DolphinView::fileItem(const QModelIndex& index) const
 396 {
 397     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 398     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 399 }
 400
 401 void DolphinView::setContentsPosition(int x, int y)
 402 {
 403     QAbstractItemView* view = itemView();
 404
 405     // the ColumnView takes care itself for the horizontal scrolling
 406     if (!isColumnViewActive()) {
 407         view->horizontalScrollBar()->setValue(x);
 408     }
 409     view->verticalScrollBar()->setValue(y);
 410
 411     m_loadingDirectory = false;
 412 }
 413
 414 QPoint DolphinView::contentsPosition() const
 415 {
 416     const int x = itemView()->horizontalScrollBar()->value();
 417     const int y = itemView()->verticalScrollBar()->value();
 418     return QPoint(x, y);
 419 }
 420
 421 void DolphinView::zoomIn()
 422 {
 423     m_controller->triggerZoomIn();
 424 }
 425
 426 void DolphinView::zoomOut()
 427 {
 428     m_controller->triggerZoomOut();
 429 }
 430
 431 bool DolphinView::isZoomInPossible() const
 432 {
 433     return m_controller->isZoomInPossible();
 434 }
 435
 436 bool DolphinView::isZoomOutPossible() const
 437 {
 438     return m_controller->isZoomOutPossible();
 439 }
 440
 441 void DolphinView::setSorting(Sorting sorting)
 442 {
 443     if (sorting != this->sorting()) {
 444         updateSorting(sorting);
 445     }
 446 }
 447
 448 DolphinView::Sorting DolphinView::sorting() const
 449 {
 450     return m_proxyModel->sorting();
 451 }
 452
 453 void DolphinView::setSortOrder(Qt::SortOrder order)
 454 {
 455     if (sortOrder() != order) {
 456         updateSortOrder(order);
 457     }
 458 }
 459
 460 Qt::SortOrder DolphinView::sortOrder() const
 461 {
 462     return m_proxyModel->sortOrder();
 463 }
 464
 465 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 466 {
 467     const KUrl viewPropsUrl = viewPropertiesUrl();
 468     ViewProperties props(viewPropsUrl);
 469     props.setAdditionalInfo(info);
 470     m_fileItemDelegate->setShowInformation(info);
 471
 472     emit additionalInfoChanged(info);
 473
 474     if (itemView() != m_detailsView) {
 475         // the details view requires no reloading of the directory, as it maps
 476         // the file item delegate info to its columns internally
 477         loadDirectory(viewPropsUrl, true);
 478     }
 479 }
 480
 481 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 482 {
 483     return m_fileItemDelegate->showInformation();
 484 }
 485
 486 void DolphinView::reload()
 487 {
 488     setUrl(url());
 489     loadDirectory(url(), true);
 490 }
 491
 492 void DolphinView::refresh()
 493 {
 494     const bool oldActivationState = m_active;
 495     m_active = true;
 496
 497     createView();
 498     applyViewProperties(m_controller->url());
 499     reload();
 500
 501     setActive(oldActivationState);
 502 }
 503
 504 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 505 {
 506     if (m_controller->url() == url) {
 507         return;
 508     }
 509
 510     m_controller->setUrl(url); // emits urlChanged, which we forward
 511
 512     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 513         applyViewProperties(rootUrl);
 514         loadDirectory(rootUrl);
 515         if (itemView() == m_columnView) {
 516             m_columnView->setRootUrl(rootUrl);
 517             m_columnView->showColumn(url);
 518         }
 519     } else {
 520         applyViewProperties(url);
 521         loadDirectory(url);
 522     }
 523
 524     emit startedPathLoading(url);
 525 }
 526
 527 void DolphinView::setNameFilter(const QString& nameFilter)
 528 {
 529     m_proxyModel->setFilterRegExp(nameFilter);
 530
 531     if (isColumnViewActive()) {
 532         // adjusting the directory lister is not enough in the case of the
 533         // column view, as each column has its own directory lister internally...
 534         m_columnView->setNameFilter(nameFilter);
 535     }
 536 }
 537
 538 void DolphinView::calculateItemCount(int& fileCount, int& folderCount)
 539 {
 540     foreach (KFileItem item, m_dirLister->items()) {
 541         if (item.isDir()) {
 542             ++folderCount;
 543         } else {
 544             ++fileCount;
 545         }
 546     }
 547 }
 548
 549 void DolphinView::setUrl(const KUrl& url)
 550 {
 551     updateView(url, KUrl());
 552 }
 553
 554 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 555 {
 556     QWidget::mouseReleaseEvent(event);
 557     setActive(true);
 558 }
 559 void DolphinView::activate()
 560 {
 561     setActive(true);
 562 }
 563
 564 void DolphinView::triggerItem(const KFileItem& item)
 565 {
 566     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 567     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 568         // items are selected by the user, hence don't trigger the
 569         // item specified by 'index'
 570         return;
 571     }
 572
 573     if (item.isNull()) {
 574         return;
 575     }
 576
 577     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 578 }
 579
 580 void DolphinView::emitSelectionChangedSignal()
 581 {
 582     emit selectionChanged(DolphinView::selectedItems());
 583 }
 584
 585 void DolphinView::loadDirectory(const KUrl& url, bool reload)
 586 {
 587     if (!url.isValid()) {
 588         const QString location(url.pathOrUrl());
 589         if (location.isEmpty()) {
 590             emit errorMessage(i18nc("@info:status", "The location is empty."));
 591         } else {
 592             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
 593         }
 594         return;
 595     }
 596
 597     m_loadingDirectory = true;
 598
 599     m_dirLister->stop();
 600     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
 601
 602     if (isColumnViewActive()) {
 603         // adjusting the directory lister is not enough in the case of the
 604         // column view, as each column has its own directory lister internally...
 605         if (reload) {
 606             m_columnView->reload();
 607         } else {
 608             m_columnView->showColumn(url);
 609         }
 610     }
 611 }
 612
 613 KUrl DolphinView::viewPropertiesUrl() const
 614 {
 615     if (isColumnViewActive()) {
 616         return m_dirLister->url();
 617     }
 618
 619     return url();
 620 }
 621
 622 void DolphinView::applyViewProperties(const KUrl& url)
 623 {
 624     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
 625         // The column view is active, hence don't apply the view properties
 626         // of sub directories (represented by columns) to the view. The
 627         // view always represents the properties of the first column.
 628         return;
 629     }
 630
 631     const ViewProperties props(url);
 632
 633     const Mode mode = props.viewMode();
 634     if (m_mode != mode) {
 635         m_mode = mode;
 636         createView();
 637         emit modeChanged();
 638     }
 639     if (itemView() == 0) {
 640         createView();
 641     }
 642     Q_ASSERT(itemView() != 0);
 643     Q_ASSERT(m_fileItemDelegate != 0);
 644
 645     const bool showHiddenFiles = props.showHiddenFiles();
 646     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
 647         m_dirLister->setShowingDotFiles(showHiddenFiles);
 648         emit showHiddenFilesChanged();
 649     }
 650
 651     m_storedCategorizedSorting = props.categorizedSorting();
 652     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 653     if (categorized != m_proxyModel->isCategorizedModel()) {
 654         m_proxyModel->setCategorizedModel(categorized);
 655         emit categorizedSortingChanged();
 656     }
 657
 658     const DolphinView::Sorting sorting = props.sorting();
 659     if (sorting != m_proxyModel->sorting()) {
 660         m_proxyModel->setSorting(sorting);
 661         emit sortingChanged(sorting);
 662     }
 663
 664     const Qt::SortOrder sortOrder = props.sortOrder();
 665     if (sortOrder != m_proxyModel->sortOrder()) {
 666         m_proxyModel->setSortOrder(sortOrder);
 667         emit sortOrderChanged(sortOrder);
 668     }
 669
 670     KFileItemDelegate::InformationList info = props.additionalInfo();
 671     if (info != m_fileItemDelegate->showInformation()) {
 672         m_fileItemDelegate->setShowInformation(info);
 673         emit additionalInfoChanged(info);
 674     }
 675
 676     const bool showPreview = props.showPreview();
 677     if (showPreview != m_showPreview) {
 678         m_showPreview = showPreview;
 679         m_iconManager->setShowPreview(showPreview);
 680         emit showPreviewChanged();
 681     }
 682 }
 683
 684 void DolphinView::changeSelection(const KFileItemList& selection)
 685 {
 686     clearSelection();
 687     if (selection.isEmpty()) {
 688         return;
 689     }
 690     const KUrl& baseUrl = url();
 691     KUrl url;
 692     QItemSelection new_selection;
 693     foreach(const KFileItem& item, selection) {
 694         url = item.url().upUrl();
 695         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 696             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 697             new_selection.select(index, index);
 698         }
 699     }
 700     itemView()->selectionModel()->select(new_selection,
 701                                          QItemSelectionModel::ClearAndSelect
 702                                          | QItemSelectionModel::Current);
 703 }
 704
 705 void DolphinView::openContextMenu(const QPoint& pos)
 706 {
 707     KFileItem item;
 708
 709     const QModelIndex index = itemView()->indexAt(pos);
 710     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 711         item = fileItem(index);
 712     }
 713
 714     emit requestContextMenu(item, url());
 715 }
 716
 717 void DolphinView::dropUrls(const KUrl::List& urls,
 718                            const KUrl& destPath,
 719                            const KFileItem& destItem)
 720 {
 721     Q_ASSERT(!urls.isEmpty());
 722     const KUrl& destination = !destItem.isNull() && destItem.isDir() ?
 723                               destItem.url() : destPath;
 724     const KUrl sourceDir = KUrl(urls.first().directory());
 725     if (sourceDir != destination) {
 726         dropUrls(urls, destination);
 727     }
 728 }
 729
 730 void DolphinView::dropUrls(const KUrl::List& urls,
 731                            const KUrl& destination)
 732 {
 733     DolphinDropController dropController(this);
 734     // forward doingOperation signal up to the mainwindow
 735     connect(&dropController, SIGNAL(doingOperation(KonqFileUndoManager::CommandType)),
 736             this, SIGNAL(doingOperation(KonqFileUndoManager::CommandType)));
 737     dropController.dropUrls(urls, destination);
 738 }
 739
 740 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 741 {
 742     ViewProperties props(viewPropertiesUrl());
 743     props.setSorting(sorting);
 744
 745     m_proxyModel->setSorting(sorting);
 746
 747     emit sortingChanged(sorting);
 748 }
 749
 750 void DolphinView::updateSortOrder(Qt::SortOrder order)
 751 {
 752     ViewProperties props(viewPropertiesUrl());
 753     props.setSortOrder(order);
 754
 755     m_proxyModel->setSortOrder(order);
 756
 757     emit sortOrderChanged(order);
 758 }
 759
 760 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 761 {
 762     ViewProperties props(viewPropertiesUrl());
 763     props.setAdditionalInfo(info);
 764     props.save();
 765
 766     m_fileItemDelegate->setShowInformation(info);
 767
 768     emit additionalInfoChanged(info);
 769
 770 }
 771
 772 void DolphinView::emitContentsMoved()
 773 {
 774     // only emit the contents moved signal if:
 775     // - no directory loading is ongoing (this would reset the contents position
 776     //   always to (0, 0))
 777     // - if the Column View is active: the column view does an automatic
 778     //   positioning during the loading operation, which must be remembered
 779     if (!m_loadingDirectory || isColumnViewActive()) {
 780         const QPoint pos(contentsPosition());
 781         emit contentsMoved(pos.x(), pos.y());
 782     }
 783 }
 784
 785 void DolphinView::showHoverInformation(const KFileItem& item)
 786 {
 787     if (hasSelection() || !m_active) {
 788         return;
 789     }
 790
 791     emit requestItemInfo(item);
 792 }
 793
 794 void DolphinView::clearHoverInformation()
 795 {
 796     if (m_active) {
 797         emit requestItemInfo(KFileItem());
 798     }
 799 }
 800
 801 void DolphinView::createView()
 802 {
 803     deleteView();
 804     Q_ASSERT(m_iconsView == 0);
 805     Q_ASSERT(m_detailsView == 0);
 806     Q_ASSERT(m_columnView == 0);
 807
 808     QAbstractItemView* view = 0;
 809     switch (m_mode) {
 810     case IconsView: {
 811         m_iconsView = new DolphinIconsView(this, m_controller);
 812         view = m_iconsView;
 813         break;
 814     }
 815
 816     case DetailsView:
 817         m_detailsView = new DolphinDetailsView(this, m_controller);
 818         view = m_detailsView;
 819         break;
 820
 821     case ColumnView:
 822         m_columnView = new DolphinColumnView(this, m_controller);
 823         view = m_columnView;
 824         break;
 825     }
 826
 827     Q_ASSERT(view != 0);
 828
 829     m_fileItemDelegate = new KFileItemDelegate(view);
 830     view->setItemDelegate(m_fileItemDelegate);
 831
 832     view->setModel(m_proxyModel);
 833     if (m_selectionModel != 0) {
 834         view->setSelectionModel(m_selectionModel);
 835     } else {
 836         m_selectionModel = view->selectionModel();
 837     }
 838
 839     // reparent the selection model, as it should not be deleted
 840     // when deleting the model
 841     m_selectionModel->setParent(this);
 842
 843     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
 844
 845     new KMimeTypeResolver(view, m_dolphinModel);
 846     m_iconManager = new IconManager(view, m_proxyModel);
 847     m_iconManager->setShowPreview(m_showPreview);
 848
 849     m_topLayout->insertWidget(1, view);
 850
 851     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
 852             this, SLOT(emitSelectionChangedSignal()));
 853     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
 854             this, SLOT(emitContentsMoved()));
 855     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
 856             this, SLOT(emitContentsMoved()));
 857 }
 858
 859 void DolphinView::deleteView()
 860 {
 861     QAbstractItemView* view = itemView();
 862     if (view != 0) {
 863         m_topLayout->removeWidget(view);
 864         view->close();
 865         view->deleteLater();
 866         view = 0;
 867         m_iconsView = 0;
 868         m_detailsView = 0;
 869         m_columnView = 0;
 870         m_fileItemDelegate = 0;
 871         m_iconManager = 0;
 872     }
 873 }
 874
 875 QAbstractItemView* DolphinView::itemView() const
 876 {
 877     if (m_detailsView != 0) {
 878         return m_detailsView;
 879     } else if (m_columnView != 0) {
 880         return m_columnView;
 881     }
 882
 883     return m_iconsView;
 884 }
 885
 886 bool DolphinView::isCutItem(const KFileItem& item) const
 887 {
 888     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 889     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
 890
 891     const KUrl& itemUrl = item.url();
 892     KUrl::List::const_iterator it = cutUrls.begin();
 893     const KUrl::List::const_iterator end = cutUrls.end();
 894     while (it != end) {
 895         if (*it == itemUrl) {
 896             return true;
 897         }
 898         ++it;
 899     }
 900
 901     return false;
 902 }
 903
 904 KToggleAction* DolphinView::iconsModeAction(KActionCollection* actionCollection)
 905 {
 906     KToggleAction* iconsView = actionCollection->add<KToggleAction>("icons");
 907     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 908     iconsView->setShortcut(Qt::CTRL | Qt::Key_1);
 909     iconsView->setIcon(KIcon("view-list-icons"));
 910     iconsView->setData(QVariant::fromValue(IconsView));
 911     return iconsView;
 912 }
 913
 914 KToggleAction* DolphinView::detailsModeAction(KActionCollection* actionCollection)
 915 {
 916     KToggleAction* detailsView = actionCollection->add<KToggleAction>("details");
 917     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 918     detailsView->setShortcut(Qt::CTRL | Qt::Key_2);
 919     detailsView->setIcon(KIcon("view-list-details"));
 920     detailsView->setData(QVariant::fromValue(DetailsView));
 921     return detailsView;
 922 }
 923
 924 KToggleAction* DolphinView::columnsModeAction(KActionCollection* actionCollection)
 925 {
 926     KToggleAction* columnView = actionCollection->add<KToggleAction>("columns");
 927     columnView->setText(i18nc("@action:inmenu View Mode", "Columns"));
 928     columnView->setShortcut(Qt::CTRL | Qt::Key_3);
 929     columnView->setIcon(KIcon("view-file-columns"));
 930     columnView->setData(QVariant::fromValue(ColumnView));
 931     return columnView;
 932 }
 933
 934 QString DolphinView::currentViewModeActionName() const
 935 {
 936     switch (m_mode) {
 937     case DolphinView::IconsView:
 938         return "icons";
 939     case DolphinView::DetailsView:
 940         return "details";
 941     case DolphinView::ColumnView:
 942         return "columns";
 943     }
 944     return QString(); // can't happen
 945 }
 946
 947 void DolphinView::renameSelectedItems()
 948 {
 949     const KFileItemList items = selectedItems();
 950     if (items.count() > 1) {
 951         // More than one item has been selected for renaming. Open
 952         // a rename dialog and rename all items afterwards.
 953         RenameDialog dialog(this, items);
 954         if (dialog.exec() == QDialog::Rejected) {
 955             return;
 956         }
 957
 958         const QString newName = dialog.newName();
 959         if (newName.isEmpty()) {
 960             emit errorMessage(dialog.errorString());
 961         } else {
 962             // TODO: check how this can be integrated into KonqFileUndoManager/KonqOperations
 963             // as one operation instead of n rename operations like it is done now...
 964             Q_ASSERT(newName.contains('#'));
 965
 966             // iterate through all selected items and rename them...
 967             int index = 1;
 968             foreach (KFileItem item, items) {
 969                 const KUrl& oldUrl = item.url();
 970                 QString number;
 971                 number.setNum(index++);
 972
 973                 QString name = newName;
 974                 name.replace('#', number);
 975
 976                 if (oldUrl.fileName() != name) {
 977                     KUrl newUrl = oldUrl;
 978                     newUrl.setFileName(name);
 979                     KonqOperations::rename(this, oldUrl, newUrl);
 980                     emit doingOperation(KonqFileUndoManager::RENAME);
 981                 }
 982             }
 983         }
 984     } else {
 985         // Only one item has been selected for renaming. Use the custom
 986         // renaming mechanism from the views.
 987         Q_ASSERT(items.count() == 1);
 988
 989         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 990         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 991         // is a benefit for the user at all -> let's wait for some input first...
 992         RenameDialog dialog(this, items);
 993         if (dialog.exec() == QDialog::Rejected) {
 994             return;
 995         }
 996
 997         const QString& newName = dialog.newName();
 998         if (newName.isEmpty()) {
 999             emit errorMessage(dialog.errorString());
1000         } else {
1001             const KUrl& oldUrl = items.first().url();
1002             KUrl newUrl = oldUrl;
1003             newUrl.setFileName(newName);
1004             KonqOperations::rename(this, oldUrl, newUrl);
1005             emit doingOperation(KonqFileUndoManager::RENAME);
1006         }
1007     }
1008 }
1009
1010 void DolphinView::trashSelectedItems()
1011 {
1012     emit doingOperation(KonqFileUndoManager::TRASH);
1013     KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
1014 }
1015
1016 void DolphinView::deleteSelectedItems()
1017 {
1018     const KUrl::List list = selectedUrls();
1019     const bool del = KonqOperations::askDeleteConfirmation(list,
1020                      KonqOperations::DEL,
1021                      KonqOperations::DEFAULT_CONFIRMATION,
1022                      this);
1023
1024     if (del) {
1025         KIO::Job* job = KIO::del(list);
1026         connect(job, SIGNAL(result(KJob*)),
1027                 this, SLOT(slotDeleteFileFinished(KJob*)));
1028     }
1029 }
1030
1031 void DolphinView::slotDeleteFileFinished(KJob* job)
1032 {
1033     if (job->error() == 0) {
1034         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1035     } else {
1036         emit errorMessage(job->errorString());
1037     }
1038 }
1039
1040 void DolphinView::createDir()
1041 {
1042     KonqOperations::newDir(this, url());
1043 }
1044
1045 void DolphinView::cutSelectedItems()
1046 {
1047     QMimeData* mimeData = new QMimeData();
1048     const KUrl::List kdeUrls = selectedUrls();
1049     const KUrl::List mostLocalUrls;
1050     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
1051     QApplication::clipboard()->setMimeData(mimeData);
1052 }
1053
1054 void DolphinView::copySelectedItems()
1055 {
1056     QMimeData* mimeData = new QMimeData();
1057     const KUrl::List kdeUrls = selectedUrls();
1058     const KUrl::List mostLocalUrls;
1059     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
1060     QApplication::clipboard()->setMimeData(mimeData);
1061 }
1062
1063 void DolphinView::paste()
1064 {
1065     QClipboard* clipboard = QApplication::clipboard();
1066     const QMimeData* mimeData = clipboard->mimeData();
1067
1068     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1069
1070     // per default the pasting is done into the current Url of the view
1071     KUrl destUrl(url());
1072
1073     // check whether the pasting should be done into a selected directory
1074     const KUrl::List selectedUrls = this->selectedUrls();
1075     if (selectedUrls.count() == 1) {
1076         const KFileItem fileItem(S_IFDIR,
1077                                  KFileItem::Unknown,
1078                                  selectedUrls.first(),
1079                                  true);
1080         if (fileItem.isDir()) {
1081             // only one item is selected which is a directory, hence paste
1082             // into this directory
1083             destUrl = selectedUrls.first();
1084         }
1085     }
1086
1087     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1088         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, destUrl);
1089         emit doingOperation(KonqFileUndoManager::MOVE);
1090         clipboard->clear();
1091     } else {
1092         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, destUrl);
1093         emit doingOperation(KonqFileUndoManager::COPY);
1094     }
1095 }
1096
1097 QPair<bool, QString> DolphinView::pasteInfo() const
1098 {
1099     QPair<bool, QString> ret;
1100     QClipboard* clipboard = QApplication::clipboard();
1101     const QMimeData* mimeData = clipboard->mimeData();
1102
1103     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1104     if (!urls.isEmpty()) {
1105         ret.first = true;
1106         ret.second = i18ncp("@action:inmenu", "Paste One File", "Paste %1 Files", urls.count());
1107     } else {
1108         ret.first = false;
1109         ret.second = i18nc("@action:inmenu", "Paste");
1110     }
1111
1112     if (ret.first) {
1113         const KFileItemList items = selectedItems();
1114         const uint count = items.count();
1115         if (count > 1) {
1116             // pasting should not be allowed when more than one file
1117             // is selected
1118             ret.first = false;
1119         } else if (count == 1) {
1120             // Only one file is selected. Pasting is only allowed if this
1121             // file is a directory.
1122             ret.first = items.first().isDir();
1123         }
1124     }
1125     return ret;
1126 }
1127
1128 KAction* DolphinView::createRenameAction(KActionCollection* collection)
1129 {
1130     KAction* rename = collection->addAction("rename");
1131     rename->setText(i18nc("@action:inmenu File", "Rename..."));
1132     rename->setShortcut(Qt::Key_F2);
1133     return rename;
1134 }
1135
1136 KAction* DolphinView::createMoveToTrashAction(KActionCollection* collection)
1137 {
1138     KAction* moveToTrash = collection->addAction("move_to_trash");
1139     moveToTrash->setText(i18nc("@action:inmenu File", "Move to Trash"));
1140     moveToTrash->setIcon(KIcon("user-trash"));
1141     moveToTrash->setShortcut(QKeySequence::Delete);
1142     return moveToTrash;
1143 }
1144
1145 KAction* DolphinView::createDeleteAction(KActionCollection* collection)
1146 {
1147     KAction* deleteAction = collection->addAction("delete");
1148     deleteAction->setIcon(KIcon("edit-delete"));
1149     deleteAction->setText(i18nc("@action:inmenu File", "Delete"));
1150     deleteAction->setShortcut(Qt::SHIFT | Qt::Key_Delete);
1151     return deleteAction;
1152 }
1153
1154 #include "dolphinview.moc"