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