src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QApplication>
  24 #include <QClipboard>
  25 #include <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfileitemdelegate.h>
  35 #include <kiconeffect.h>
  36 #include <klocale.h>
  37 #include <kio/deletejob.h>
  38 #include <kio/netaccess.h>
  39 #include <kio/previewjob.h>
  40 #include <kjob.h>
  41 #include <kmenu.h>
  42 #include <kmimetyperesolver.h>
  43 #include <konq_operations.h>
  44 #include <konqmimedata.h>
  45 #include <ktoggleaction.h>
  46 #include <kurl.h>
  47
  48 #include "dolphindropcontroller.h"
  49 #include "dolphinmodel.h"
  50 #include "dolphincolumnview.h"
  51 #include "dolphincontroller.h"
  52 #include "dolphinsortfilterproxymodel.h"
  53 #include "dolphindetailsview.h"
  54 #include "dolphiniconsview.h"
  55 #include "dolphinsettings.h"
  56 #include "dolphin_generalsettings.h"
  57 #include "iconmanager.h"
  58 #include "renamedialog.h"
  59 #include "viewproperties.h"
  60
  61 DolphinView::DolphinView(QWidget* parent,
  62                          const KUrl& url,
  63                          KDirLister* dirLister,
  64                          DolphinModel* dolphinModel,
  65                          DolphinSortFilterProxyModel* proxyModel) :
  66     QWidget(parent),
  67     m_active(true),
  68     m_showPreview(false),
  69     m_loadingDirectory(false),
  70     m_storedCategorizedSorting(false),
  71     m_mode(DolphinView::IconsView),
  72     m_topLayout(0),
  73     m_controller(0),
  74     m_iconsView(0),
  75     m_detailsView(0),
  76     m_columnView(0),
  77     m_fileItemDelegate(0),
  78     m_selectionModel(0),
  79     m_dolphinModel(dolphinModel),
  80     m_dirLister(dirLister),
  81     m_proxyModel(proxyModel),
  82     m_iconManager(0)
  83 {
  84     setFocusPolicy(Qt::StrongFocus);
  85     m_topLayout = new QVBoxLayout(this);
  86     m_topLayout->setSpacing(0);
  87     m_topLayout->setMargin(0);
  88
  89     m_controller = new DolphinController(this);
  90     m_controller->setUrl(url);
  91
  92     // Receiver of the DolphinView signal 'urlChanged()' don't need
  93     // to care whether the internal controller changed the URL already or whether
  94     // the controller just requested an URL change and will be updated later.
  95     // In both cases the URL has been changed:
  96     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
  97             this, SIGNAL(urlChanged(const KUrl&)));
  98     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
  99             this, SIGNAL(urlChanged(const KUrl&)));
 100
 101     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 102             this, SLOT(openContextMenu(const QPoint&)));
 103     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&, const KFileItem&)),
 104             this, SLOT(dropUrls(const KUrl::List&, const KUrl&, const KFileItem&)));
 105     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 106             this, SLOT(updateSorting(DolphinView::Sorting)));
 107     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 108             this, SLOT(updateSortOrder(Qt::SortOrder)));
 109     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 110             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 111     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 112             this, SLOT(triggerItem(const KFileItem&)));
 113     connect(m_controller, SIGNAL(activated()),
 114             this, SLOT(activate()));
 115     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 116             this, SLOT(showHoverInformation(const KFileItem&)));
 117     connect(m_controller, SIGNAL(viewportEntered()),
 118             this, SLOT(clearHoverInformation()));
 119
 120     applyViewProperties(url);
 121     m_topLayout->addWidget(itemView());
 122 }
 123
 124 DolphinView::~DolphinView()
 125 {
 126 }
 127
 128 const KUrl& DolphinView::url() const
 129 {
 130     return m_controller->url();
 131 }
 132
 133 KUrl DolphinView::rootUrl() const
 134 {
 135     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 136 }
 137
 138 void DolphinView::setActive(bool active)
 139 {
 140     if (active == m_active) {
 141         return;
 142     }
 143
 144     m_active = active;
 145     m_selectionModel->clearSelection();
 146
 147     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 148     if (active) {
 149         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 150         // bypasses the problem when having a split view and changing the active view to
 151         // update the some URL dependent states. A nicer approach should be no big deal...
 152         emit urlChanged(url());
 153         emit selectionChanged(selectedItems());
 154     } else {
 155         color.setAlpha(150);
 156     }
 157
 158     QWidget* viewport = itemView()->viewport();
 159     QPalette palette;
 160     palette.setColor(viewport->backgroundRole(), color);
 161     viewport->setPalette(palette);
 162
 163     update();
 164
 165     if (active) {
 166         emit activated();
 167     }
 168
 169     m_controller->indicateActivationChange(active);
 170 }
 171
 172 bool DolphinView::isActive() const
 173 {
 174     return m_active;
 175 }
 176
 177 void DolphinView::setMode(Mode mode)
 178 {
 179     if (mode == m_mode) {
 180         return; // the wished mode is already set
 181     }
 182
 183     m_mode = mode;
 184
 185     deleteView();
 186
 187     const KUrl viewPropsUrl = viewPropertiesUrl();
 188     ViewProperties props(viewPropsUrl);
 189     props.setViewMode(m_mode);
 190     createView();
 191
 192     // the file item delegate has been recreated, apply the current
 193     // additional information manually
 194     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 195     m_fileItemDelegate->setShowInformation(infoList);
 196     emit additionalInfoChanged();
 197
 198     // Not all view modes support categorized sorting. Adjust the sorting model
 199     // if changing the view mode results in a change of the categorized sorting
 200     // capabilities.
 201     m_storedCategorizedSorting = props.categorizedSorting();
 202     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 203     if (categorized != m_proxyModel->isCategorizedModel()) {
 204         m_proxyModel->setCategorizedModel(categorized);
 205         emit categorizedSortingChanged();
 206     }
 207
 208     emit modeChanged();
 209 }
 210
 211 DolphinView::Mode DolphinView::mode() const
 212 {
 213     return m_mode;
 214 }
 215
 216 void DolphinView::setShowPreview(bool show)
 217 {
 218     if (m_showPreview == show) {
 219         return;
 220     }
 221
 222     const KUrl viewPropsUrl = viewPropertiesUrl();
 223     ViewProperties props(viewPropsUrl);
 224     props.setShowPreview(show);
 225
 226     m_showPreview = show;
 227     m_iconManager->setShowPreview(show);
 228     emit showPreviewChanged();
 229
 230     loadDirectory(viewPropsUrl, true);
 231 }
 232
 233 bool DolphinView::showPreview() const
 234 {
 235     return m_showPreview;
 236 }
 237
 238 void DolphinView::setShowHiddenFiles(bool show)
 239 {
 240     if (m_dirLister->showingDotFiles() == show) {
 241         return;
 242     }
 243
 244     const KUrl viewPropsUrl = viewPropertiesUrl();
 245     ViewProperties props(viewPropsUrl);
 246     props.setShowHiddenFiles(show);
 247
 248     m_dirLister->setShowingDotFiles(show);
 249     emit showHiddenFilesChanged();
 250
 251     loadDirectory(viewPropsUrl, true);
 252 }
 253
 254 bool DolphinView::showHiddenFiles() const
 255 {
 256     return m_dirLister->showingDotFiles();
 257 }
 258
 259 void DolphinView::setCategorizedSorting(bool categorized)
 260 {
 261     if (categorized == categorizedSorting()) {
 262         return;
 263     }
 264
 265     // setCategorizedSorting(true) may only get invoked
 266     // if the view supports categorized sorting
 267     Q_ASSERT(!categorized || supportsCategorizedSorting());
 268
 269     ViewProperties props(viewPropertiesUrl());
 270     props.setCategorizedSorting(categorized);
 271     props.save();
 272
 273     m_storedCategorizedSorting = categorized;
 274     m_proxyModel->setCategorizedModel(categorized);
 275
 276     emit categorizedSortingChanged();
 277 }
 278
 279 bool DolphinView::categorizedSorting() const
 280 {
 281     // If all view modes would support categorized sorting, returning
 282     // m_proxyModel->isCategorizedModel() would be the way to go. As
 283     // currently only the icons view supports caterized sorting, we remember
 284     // the stored view properties state in m_storedCategorizedSorting and
 285     // return this state. The application takes care to disable the corresponding
 286     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 287     // that this setting is not applied to the current view mode.
 288     return m_storedCategorizedSorting;
 289 }
 290
 291 bool DolphinView::supportsCategorizedSorting() const
 292 {
 293     return m_iconsView != 0;
 294 }
 295
 296 void DolphinView::selectAll()
 297 {
 298     QAbstractItemView* view = itemView();
 299     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 300     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 301     // selection instead of selecting all items. This is bypassed for KDE 4.0
 302     // by invoking clearSelection() first.
 303     view->clearSelection();
 304     view->selectAll();
 305 }
 306
 307 void DolphinView::invertSelection()
 308 {
 309     if (isColumnViewActive()) {
 310         // QAbstractItemView does not offer a virtual method invertSelection()
 311         // as counterpart to QAbstractItemView::selectAll(). This makes it
 312         // necessary to delegate the inverting of the selection to the
 313         // column view, as only the selection of the active column should
 314         // get inverted.
 315         m_columnView->invertSelection();
 316     } else {
 317         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 318         const QAbstractItemModel* itemModel = selectionModel->model();
 319
 320         const QModelIndex topLeft = itemModel->index(0, 0);
 321         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 322                                                          itemModel->columnCount() - 1);
 323
 324         const QItemSelection selection(topLeft, bottomRight);
 325         selectionModel->select(selection, QItemSelectionModel::Toggle);
 326     }
 327 }
 328
 329 bool DolphinView::hasSelection() const
 330 {
 331     return itemView()->selectionModel()->hasSelection();
 332 }
 333
 334 void DolphinView::clearSelection()
 335 {
 336     itemView()->selectionModel()->clear();
 337 }
 338
 339 KFileItemList DolphinView::selectedItems() const
 340 {
 341     const QAbstractItemView* view = itemView();
 342
 343     // Our view has a selection, we will map them back to the DolphinModel
 344     // and then fill the KFileItemList.
 345     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 346
 347     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 348     KFileItemList itemList;
 349
 350     const QModelIndexList indexList = selection.indexes();
 351     foreach (QModelIndex index, indexList) {
 352         KFileItem item = m_dolphinModel->itemForIndex(index);
 353         if (!item.isNull()) {
 354             itemList.append(item);
 355         }
 356     }
 357
 358     return itemList;
 359 }
 360
 361 KUrl::List DolphinView::selectedUrls() const
 362 {
 363     KUrl::List urls;
 364     const KFileItemList list = selectedItems();
 365     foreach (KFileItem item, list) {
 366         urls.append(item.url());
 367     }
 368     return urls;
 369 }
 370
 371 KFileItem DolphinView::fileItem(const QModelIndex& index) const
 372 {
 373     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 374     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 375 }
 376
 377 void DolphinView::setContentsPosition(int x, int y)
 378 {
 379     QAbstractItemView* view = itemView();
 380
 381     // the ColumnView takes care itself for the horizontal scrolling
 382     if (!isColumnViewActive()) {
 383         view->horizontalScrollBar()->setValue(x);
 384     }
 385     view->verticalScrollBar()->setValue(y);
 386
 387     m_loadingDirectory = false;
 388 }
 389
 390 QPoint DolphinView::contentsPosition() const
 391 {
 392     const int x = itemView()->horizontalScrollBar()->value();
 393     const int y = itemView()->verticalScrollBar()->value();
 394     return QPoint(x, y);
 395 }
 396
 397 void DolphinView::zoomIn()
 398 {
 399     m_controller->triggerZoomIn();
 400     reload();
 401 }
 402
 403 void DolphinView::zoomOut()
 404 {
 405     m_controller->triggerZoomOut();
 406     reload();
 407 }
 408
 409 bool DolphinView::isZoomInPossible() const
 410 {
 411     return m_controller->isZoomInPossible();
 412 }
 413
 414 bool DolphinView::isZoomOutPossible() const
 415 {
 416     return m_controller->isZoomOutPossible();
 417 }
 418
 419 void DolphinView::setSorting(Sorting sorting)
 420 {
 421     if (sorting != this->sorting()) {
 422         updateSorting(sorting);
 423     }
 424 }
 425
 426 DolphinView::Sorting DolphinView::sorting() const
 427 {
 428     return m_proxyModel->sorting();
 429 }
 430
 431 void DolphinView::setSortOrder(Qt::SortOrder order)
 432 {
 433     if (sortOrder() != order) {
 434         updateSortOrder(order);
 435     }
 436 }
 437
 438 Qt::SortOrder DolphinView::sortOrder() const
 439 {
 440     return m_proxyModel->sortOrder();
 441 }
 442
 443 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 444 {
 445     const KUrl viewPropsUrl = viewPropertiesUrl();
 446     ViewProperties props(viewPropsUrl);
 447     props.setAdditionalInfo(info);
 448     m_fileItemDelegate->setShowInformation(info);
 449
 450     emit additionalInfoChanged();
 451
 452     if (itemView() != m_detailsView) {
 453         // the details view requires no reloading of the directory, as it maps
 454         // the file item delegate info to its columns internally
 455         loadDirectory(viewPropsUrl, true);
 456     }
 457 }
 458
 459 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 460 {
 461     return m_fileItemDelegate->showInformation();
 462 }
 463
 464 void DolphinView::reload()
 465 {
 466     setUrl(url());
 467     loadDirectory(url(), true);
 468 }
 469
 470 void DolphinView::refresh()
 471 {
 472     const bool oldActivationState = m_active;
 473     m_active = true;
 474
 475     createView();
 476     applyViewProperties(m_controller->url());
 477     reload();
 478
 479     setActive(oldActivationState);
 480 }
 481
 482 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 483 {
 484     if (m_controller->url() == url) {
 485         return;
 486     }
 487
 488     m_controller->setUrl(url); // emits urlChanged, which we forward
 489
 490     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 491         applyViewProperties(rootUrl);
 492         loadDirectory(rootUrl);
 493         if (itemView() == m_columnView) {
 494             m_columnView->setRootUrl(rootUrl);
 495             m_columnView->showColumn(url);
 496         }
 497     } else {
 498         applyViewProperties(url);
 499         loadDirectory(url);
 500     }
 501
 502     emit startedPathLoading(url);
 503 }
 504
 505 void DolphinView::setNameFilter(const QString& nameFilter)
 506 {
 507     m_proxyModel->setFilterRegExp(nameFilter);
 508
 509     if (isColumnViewActive()) {
 510         // adjusting the directory lister is not enough in the case of the
 511         // column view, as each column has its own directory lister internally...
 512         m_columnView->setNameFilter(nameFilter);
 513     }
 514 }
 515
 516 void DolphinView::calculateItemCount(int& fileCount, int& folderCount)
 517 {
 518     foreach (KFileItem item, m_dirLister->items()) {
 519         if (item.isDir()) {
 520             ++folderCount;
 521         } else {
 522             ++fileCount;
 523         }
 524     }
 525 }
 526
 527 void DolphinView::setUrl(const KUrl& url)
 528 {
 529     updateView(url, KUrl());
 530 }
 531
 532 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 533 {
 534     QWidget::mouseReleaseEvent(event);
 535     setActive(true);
 536 }
 537
 538 void DolphinView::wheelEvent(QWheelEvent* event)
 539 {
 540     if ((event->modifiers() & Qt::ControlModifier) == Qt::ControlModifier) {
 541         int d = event->delta();
 542         if (d > 0 && isZoomInPossible()) {
 543             zoomIn();
 544         } else if (d < 0 && isZoomOutPossible()) {
 545             zoomOut();
 546         }
 547         event->accept();
 548     }
 549 }
 550
 551 void DolphinView::activate()
 552 {
 553     setActive(true);
 554 }
 555
 556 void DolphinView::triggerItem(const KFileItem& item)
 557 {
 558     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 559     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 560         // items are selected by the user, hence don't trigger the
 561         // item specified by 'index'
 562         return;
 563     }
 564
 565     if (item.isNull()) {
 566         return;
 567     }
 568
 569     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 570 }
 571
 572 void DolphinView::emitSelectionChangedSignal()
 573 {
 574     emit selectionChanged(DolphinView::selectedItems());
 575 }
 576
 577 void DolphinView::loadDirectory(const KUrl& url, bool reload)
 578 {
 579     if (!url.isValid()) {
 580         const QString location(url.pathOrUrl());
 581         if (location.isEmpty()) {
 582             emit errorMessage(i18nc("@info:status", "The location is empty."));
 583         } else {
 584             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
 585         }
 586         return;
 587     }
 588
 589     m_loadingDirectory = true;
 590
 591     m_dirLister->stop();
 592     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
 593
 594     if (isColumnViewActive()) {
 595         // adjusting the directory lister is not enough in the case of the
 596         // column view, as each column has its own directory lister internally...
 597         if (reload) {
 598             m_columnView->reload();
 599         } else {
 600             m_columnView->showColumn(url);
 601         }
 602     }
 603 }
 604
 605 KUrl DolphinView::viewPropertiesUrl() const
 606 {
 607     if (isColumnViewActive()) {
 608         return m_columnView->rootUrl();
 609     }
 610
 611     return url();
 612 }
 613
 614 void DolphinView::applyViewProperties(const KUrl& url)
 615 {
 616     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
 617         // The column view is active, hence don't apply the view properties
 618         // of sub directories (represented by columns) to the view. The
 619         // view always represents the properties of the first column.
 620         return;
 621     }
 622
 623     const ViewProperties props(url);
 624
 625     const Mode mode = props.viewMode();
 626     if (m_mode != mode) {
 627         m_mode = mode;
 628         createView();
 629         emit modeChanged();
 630     }
 631     if (itemView() == 0) {
 632         createView();
 633     }
 634     Q_ASSERT(itemView() != 0);
 635     Q_ASSERT(m_fileItemDelegate != 0);
 636
 637     const bool showHiddenFiles = props.showHiddenFiles();
 638     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
 639         m_dirLister->setShowingDotFiles(showHiddenFiles);
 640         emit showHiddenFilesChanged();
 641     }
 642
 643     m_storedCategorizedSorting = props.categorizedSorting();
 644     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 645     if (categorized != m_proxyModel->isCategorizedModel()) {
 646         m_proxyModel->setCategorizedModel(categorized);
 647         emit categorizedSortingChanged();
 648     }
 649
 650     const DolphinView::Sorting sorting = props.sorting();
 651     if (sorting != m_proxyModel->sorting()) {
 652         m_proxyModel->setSorting(sorting);
 653         emit sortingChanged(sorting);
 654     }
 655
 656     const Qt::SortOrder sortOrder = props.sortOrder();
 657     if (sortOrder != m_proxyModel->sortOrder()) {
 658         m_proxyModel->setSortOrder(sortOrder);
 659         emit sortOrderChanged(sortOrder);
 660     }
 661
 662     KFileItemDelegate::InformationList info = props.additionalInfo();
 663     if (info != m_fileItemDelegate->showInformation()) {
 664         m_fileItemDelegate->setShowInformation(info);
 665         emit additionalInfoChanged();
 666     }
 667
 668     const bool showPreview = props.showPreview();
 669     if (showPreview != m_showPreview) {
 670         m_showPreview = showPreview;
 671         m_iconManager->setShowPreview(showPreview);
 672         emit showPreviewChanged();
 673     }
 674 }
 675
 676 void DolphinView::changeSelection(const KFileItemList& selection)
 677 {
 678     clearSelection();
 679     if (selection.isEmpty()) {
 680         return;
 681     }
 682     const KUrl& baseUrl = url();
 683     KUrl url;
 684     QItemSelection new_selection;
 685     foreach(const KFileItem& item, selection) {
 686         url = item.url().upUrl();
 687         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 688             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 689             new_selection.select(index, index);
 690         }
 691     }
 692     itemView()->selectionModel()->select(new_selection,
 693                                          QItemSelectionModel::ClearAndSelect
 694                                          | QItemSelectionModel::Current);
 695 }
 696
 697 void DolphinView::openContextMenu(const QPoint& pos)
 698 {
 699     KFileItem item;
 700
 701     const QModelIndex index = itemView()->indexAt(pos);
 702     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 703         item = fileItem(index);
 704     }
 705
 706     emit requestContextMenu(item, url());
 707 }
 708
 709 void DolphinView::dropUrls(const KUrl::List& urls,
 710                            const KUrl& destPath,
 711                            const KFileItem& destItem)
 712 {
 713     Q_ASSERT(!urls.isEmpty());
 714     const KUrl& destination = !destItem.isNull() && destItem.isDir() ?
 715                               destItem.url() : destPath;
 716     const KUrl sourceDir = KUrl(urls.first().directory());
 717     if (sourceDir != destination) {
 718         dropUrls(urls, destination);
 719     }
 720 }
 721
 722 void DolphinView::dropUrls(const KUrl::List& urls,
 723                            const KUrl& destination)
 724 {
 725     DolphinDropController dropController(this);
 726     // forward doingOperation signal up to the mainwindow
 727     connect(&dropController, SIGNAL(doingOperation(KonqFileUndoManager::CommandType)),
 728             this, SIGNAL(doingOperation(KonqFileUndoManager::CommandType)));
 729     dropController.dropUrls(urls, destination);
 730 }
 731
 732 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 733 {
 734     ViewProperties props(viewPropertiesUrl());
 735     props.setSorting(sorting);
 736
 737     m_proxyModel->setSorting(sorting);
 738
 739     emit sortingChanged(sorting);
 740 }
 741
 742 void DolphinView::updateSortOrder(Qt::SortOrder order)
 743 {
 744     ViewProperties props(viewPropertiesUrl());
 745     props.setSortOrder(order);
 746
 747     m_proxyModel->setSortOrder(order);
 748
 749     emit sortOrderChanged(order);
 750 }
 751
 752 void DolphinView::toggleSortOrder()
 753 {
 754     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 755                                 Qt::DescendingOrder :
 756                                 Qt::AscendingOrder;
 757     setSortOrder(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();
 769 }
 770
 771 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 772 {
 773     const bool enable = (m_mode == DolphinView::DetailsView) ||
 774                         (m_mode == DolphinView::IconsView);
 775
 776     QAction* showSizeInfo = collection->action("show_size_info");
 777     QAction* showDateInfo = collection->action("show_date_info");
 778     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 779     QAction* showOwnerInfo = collection->action("show_owner_info");
 780     QAction* showGroupInfo = collection->action("show_group_info");
 781     QAction* showMimeInfo = collection->action("show_mime_info");
 782
 783     showSizeInfo->setChecked(false);
 784     showDateInfo->setChecked(false);
 785     showPermissionsInfo->setChecked(false);
 786     showOwnerInfo->setChecked(false);
 787     showGroupInfo->setChecked(false);
 788     showMimeInfo->setChecked(false);
 789
 790     showSizeInfo->setEnabled(enable);
 791     showDateInfo->setEnabled(enable);
 792     showPermissionsInfo->setEnabled(enable);
 793     showOwnerInfo->setEnabled(enable);
 794     showGroupInfo->setEnabled(enable);
 795     showMimeInfo->setEnabled(enable);
 796
 797     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
 798         switch (info) {
 799         case KFileItemDelegate::Size:
 800             showSizeInfo->setChecked(true);
 801             break;
 802         case KFileItemDelegate::ModificationTime:
 803             showDateInfo->setChecked(true);
 804             break;
 805         case KFileItemDelegate::Permissions:
 806             showPermissionsInfo->setChecked(true);
 807             break;
 808         case KFileItemDelegate::Owner:
 809             showOwnerInfo->setChecked(true);
 810             break;
 811         case KFileItemDelegate::OwnerAndGroup:
 812             showGroupInfo->setChecked(true);
 813             break;
 814         case KFileItemDelegate::FriendlyMimeType:
 815             showMimeInfo->setChecked(true);
 816             break;
 817         default:
 818             break;
 819         }
 820     }
 821 }
 822
 823 void DolphinView::toggleAdditionalInfo(QAction* action)
 824 {
 825     const KFileItemDelegate::Information info =
 826         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 827
 828     KFileItemDelegate::InformationList list = additionalInfo();
 829
 830     const bool show = action->isChecked();
 831
 832     const int index = list.indexOf(info);
 833     const bool containsInfo = (index >= 0);
 834     if (show && !containsInfo) {
 835         list.append(info);
 836         setAdditionalInfo(list);
 837     } else if (!show && containsInfo) {
 838         list.removeAt(index);
 839         setAdditionalInfo(list);
 840         Q_ASSERT(list.indexOf(info) < 0);
 841     }
 842 }
 843
 844 void DolphinView::emitContentsMoved()
 845 {
 846     // only emit the contents moved signal if:
 847     // - no directory loading is ongoing (this would reset the contents position
 848     //   always to (0, 0))
 849     // - if the Column View is active: the column view does an automatic
 850     //   positioning during the loading operation, which must be remembered
 851     if (!m_loadingDirectory || isColumnViewActive()) {
 852         const QPoint pos(contentsPosition());
 853         emit contentsMoved(pos.x(), pos.y());
 854     }
 855 }
 856
 857 void DolphinView::showHoverInformation(const KFileItem& item)
 858 {
 859     if (hasSelection() || !m_active) {
 860         return;
 861     }
 862
 863     emit requestItemInfo(item);
 864 }
 865
 866 void DolphinView::clearHoverInformation()
 867 {
 868     if (m_active) {
 869         emit requestItemInfo(KFileItem());
 870     }
 871 }
 872
 873 void DolphinView::createView()
 874 {
 875     deleteView();
 876     Q_ASSERT(m_iconsView == 0);
 877     Q_ASSERT(m_detailsView == 0);
 878     Q_ASSERT(m_columnView == 0);
 879
 880     QAbstractItemView* view = 0;
 881     switch (m_mode) {
 882     case IconsView: {
 883         m_iconsView = new DolphinIconsView(this, m_controller);
 884         view = m_iconsView;
 885         break;
 886     }
 887
 888     case DetailsView:
 889         m_detailsView = new DolphinDetailsView(this, m_controller);
 890         view = m_detailsView;
 891         break;
 892
 893     case ColumnView:
 894         m_columnView = new DolphinColumnView(this, m_controller);
 895         view = m_columnView;
 896         break;
 897     }
 898
 899     Q_ASSERT(view != 0);
 900
 901     m_fileItemDelegate = new KFileItemDelegate(view);
 902     view->setItemDelegate(m_fileItemDelegate);
 903
 904     view->setModel(m_proxyModel);
 905     if (m_selectionModel != 0) {
 906         view->setSelectionModel(m_selectionModel);
 907     } else {
 908         m_selectionModel = view->selectionModel();
 909     }
 910
 911     // reparent the selection model, as it should not be deleted
 912     // when deleting the model
 913     m_selectionModel->setParent(this);
 914
 915     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
 916
 917     new KMimeTypeResolver(view, m_dolphinModel);
 918     m_iconManager = new IconManager(view, m_proxyModel);
 919     m_iconManager->setShowPreview(m_showPreview);
 920
 921     m_topLayout->insertWidget(1, view);
 922
 923     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
 924             this, SLOT(emitSelectionChangedSignal()));
 925     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
 926             this, SLOT(emitContentsMoved()));
 927     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
 928             this, SLOT(emitContentsMoved()));
 929 }
 930
 931 void DolphinView::deleteView()
 932 {
 933     QAbstractItemView* view = itemView();
 934     if (view != 0) {
 935         m_topLayout->removeWidget(view);
 936         view->close();
 937         view->deleteLater();
 938         view = 0;
 939         m_iconsView = 0;
 940         m_detailsView = 0;
 941         m_columnView = 0;
 942         m_fileItemDelegate = 0;
 943         m_iconManager = 0;
 944     }
 945 }
 946
 947 QAbstractItemView* DolphinView::itemView() const
 948 {
 949     if (m_detailsView != 0) {
 950         return m_detailsView;
 951     } else if (m_columnView != 0) {
 952         return m_columnView;
 953     }
 954
 955     return m_iconsView;
 956 }
 957
 958 bool DolphinView::isCutItem(const KFileItem& item) const
 959 {
 960     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 961     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
 962
 963     const KUrl& itemUrl = item.url();
 964     KUrl::List::const_iterator it = cutUrls.begin();
 965     const KUrl::List::const_iterator end = cutUrls.end();
 966     while (it != end) {
 967         if (*it == itemUrl) {
 968             return true;
 969         }
 970         ++it;
 971     }
 972
 973     return false;
 974 }
 975
 976 void DolphinView::renameSelectedItems()
 977 {
 978     const KFileItemList items = selectedItems();
 979     if (items.count() > 1) {
 980         // More than one item has been selected for renaming. Open
 981         // a rename dialog and rename all items afterwards.
 982         RenameDialog dialog(this, items);
 983         if (dialog.exec() == QDialog::Rejected) {
 984             return;
 985         }
 986
 987         const QString newName = dialog.newName();
 988         if (newName.isEmpty()) {
 989             emit errorMessage(dialog.errorString());
 990         } else {
 991             // TODO: check how this can be integrated into KonqFileUndoManager/KonqOperations
 992             // as one operation instead of n rename operations like it is done now...
 993             Q_ASSERT(newName.contains('#'));
 994
 995             // iterate through all selected items and rename them...
 996             int index = 1;
 997             foreach (KFileItem item, items) {
 998                 const KUrl& oldUrl = item.url();
 999                 QString number;
1000                 number.setNum(index++);
1001
1002                 QString name = newName;
1003                 name.replace('#', number);
1004
1005                 if (oldUrl.fileName() != name) {
1006                     KUrl newUrl = oldUrl;
1007                     newUrl.setFileName(name);
1008                     KonqOperations::rename(this, oldUrl, newUrl);
1009                     emit doingOperation(KonqFileUndoManager::RENAME);
1010                 }
1011             }
1012         }
1013     } else {
1014         // Only one item has been selected for renaming. Use the custom
1015         // renaming mechanism from the views.
1016         Q_ASSERT(items.count() == 1);
1017
1018         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
1019         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
1020         // is a benefit for the user at all -> let's wait for some input first...
1021         RenameDialog dialog(this, items);
1022         if (dialog.exec() == QDialog::Rejected) {
1023             return;
1024         }
1025
1026         const QString& newName = dialog.newName();
1027         if (newName.isEmpty()) {
1028             emit errorMessage(dialog.errorString());
1029         } else {
1030             const KUrl& oldUrl = items.first().url();
1031             KUrl newUrl = oldUrl;
1032             newUrl.setFileName(newName);
1033             KonqOperations::rename(this, oldUrl, newUrl);
1034             emit doingOperation(KonqFileUndoManager::RENAME);
1035         }
1036     }
1037 }
1038
1039 void DolphinView::trashSelectedItems()
1040 {
1041     emit doingOperation(KonqFileUndoManager::TRASH);
1042     KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
1043 }
1044
1045 void DolphinView::deleteSelectedItems()
1046 {
1047     const KUrl::List list = selectedUrls();
1048     const bool del = KonqOperations::askDeleteConfirmation(list,
1049                      KonqOperations::DEL,
1050                      KonqOperations::DEFAULT_CONFIRMATION,
1051                      this);
1052
1053     if (del) {
1054         KIO::Job* job = KIO::del(list);
1055         connect(job, SIGNAL(result(KJob*)),
1056                 this, SLOT(slotDeleteFileFinished(KJob*)));
1057     }
1058 }
1059
1060 void DolphinView::slotDeleteFileFinished(KJob* job)
1061 {
1062     if (job->error() == 0) {
1063         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1064     } else {
1065         emit errorMessage(job->errorString());
1066     }
1067 }
1068
1069 void DolphinView::cutSelectedItems()
1070 {
1071     QMimeData* mimeData = new QMimeData();
1072     const KUrl::List kdeUrls = selectedUrls();
1073     const KUrl::List mostLocalUrls;
1074     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
1075     QApplication::clipboard()->setMimeData(mimeData);
1076 }
1077
1078 void DolphinView::copySelectedItems()
1079 {
1080     QMimeData* mimeData = new QMimeData();
1081     const KUrl::List kdeUrls = selectedUrls();
1082     const KUrl::List mostLocalUrls;
1083     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
1084     QApplication::clipboard()->setMimeData(mimeData);
1085 }
1086
1087 void DolphinView::paste()
1088 {
1089     QClipboard* clipboard = QApplication::clipboard();
1090     const QMimeData* mimeData = clipboard->mimeData();
1091
1092     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1093
1094     // per default the pasting is done into the current Url of the view
1095     KUrl destUrl(url());
1096
1097     // check whether the pasting should be done into a selected directory
1098     const KUrl::List selectedUrls = this->selectedUrls();
1099     if (selectedUrls.count() == 1) {
1100         const KFileItem fileItem(S_IFDIR,
1101                                  KFileItem::Unknown,
1102                                  selectedUrls.first(),
1103                                  true);
1104         if (fileItem.isDir()) {
1105             // only one item is selected which is a directory, hence paste
1106             // into this directory
1107             destUrl = selectedUrls.first();
1108         }
1109     }
1110
1111     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1112         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, destUrl);
1113         emit doingOperation(KonqFileUndoManager::MOVE);
1114         clipboard->clear();
1115     } else {
1116         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, destUrl);
1117         emit doingOperation(KonqFileUndoManager::COPY);
1118     }
1119 }
1120
1121 QPair<bool, QString> DolphinView::pasteInfo() const
1122 {
1123     QPair<bool, QString> ret;
1124     QClipboard* clipboard = QApplication::clipboard();
1125     const QMimeData* mimeData = clipboard->mimeData();
1126
1127     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1128     if (!urls.isEmpty()) {
1129         ret.first = true;
1130         ret.second = i18ncp("@action:inmenu", "Paste One File", "Paste %1 Files", urls.count());
1131     } else {
1132         ret.first = false;
1133         ret.second = i18nc("@action:inmenu", "Paste");
1134     }
1135
1136     if (ret.first) {
1137         const KFileItemList items = selectedItems();
1138         const uint count = items.count();
1139         if (count > 1) {
1140             // pasting should not be allowed when more than one file
1141             // is selected
1142             ret.first = false;
1143         } else if (count == 1) {
1144             // Only one file is selected. Pasting is only allowed if this
1145             // file is a directory.
1146             ret.first = items.first().isDir();
1147         }
1148     }
1149     return ret;
1150 }
1151
1152 #include "dolphinview.moc"