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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QItemSelectionModel>
  24
  25 #include <kdirmodel.h>
  26
  27 #include <qlayout.h>
  28 //Added by qt3to4:
  29 #include <Q3ValueList>
  30 #include <QDropEvent>
  31 #include <QMouseEvent>
  32 #include <QVBoxLayout>
  33 #include <kurl.h>
  34 #include <klocale.h>
  35 #include <kio/netaccess.h>
  36 #include <kio/renamedlg.h>
  37 #include <kmimetyperesolver.h>
  38 #include <assert.h>
  39
  40 #include "urlnavigator.h"
  41 #include "dolphinstatusbar.h"
  42 #include "dolphinmainwindow.h"
  43 #include "dolphindirlister.h"
  44 #include "viewproperties.h"
  45 #include "dolphindetailsview.h"
  46 #include "dolphiniconsview.h"
  47 #include "dolphincontextmenu.h"
  48 #include "undomanager.h"
  49 #include "renamedialog.h"
  50 #include "progressindicator.h"
  51
  52 #include "filterbar.h"
  53
  54 DolphinView::DolphinView(DolphinMainWindow *mainWindow,
  55                          QWidget *parent,
  56                          const KUrl& url,
  57                          Mode mode,
  58                          bool showHiddenFiles) :
  59     QWidget(parent),
  60     m_mainWindow(mainWindow),
  61     m_refreshing(false),
  62     m_showProgress(false),
  63     m_mode(mode),
  64     m_statusBar(0),
  65     m_iconSize(0),
  66     m_folderCount(0),
  67     m_fileCount(0),
  68     m_filterBar(0)
  69 {
  70     hide();
  71     setFocusPolicy(Qt::StrongFocus);
  72     m_topLayout = new QVBoxLayout(this);
  73     m_topLayout->setSpacing(0);
  74     m_topLayout->setMargin(0);
  75
  76     connect(this, SIGNAL(signalModeChanged()),
  77             mainWindow, SLOT(slotViewModeChanged()));
  78     connect(this, SIGNAL(signalShowHiddenFilesChanged()),
  79             mainWindow, SLOT(slotShowHiddenFilesChanged()));
  80     connect(this, SIGNAL(signalSortingChanged(DolphinView::Sorting)),
  81             mainWindow, SLOT(slotSortingChanged(DolphinView::Sorting)));
  82     connect(this, SIGNAL(signalSortOrderChanged(Qt::SortOrder)),
  83             mainWindow, SLOT(slotSortOrderChanged(Qt::SortOrder)));
  84
  85     m_urlNavigator = new UrlNavigator(url, this);
  86     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
  87             this, SLOT(slotUrlChanged(const KUrl&)));
  88     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
  89             mainWindow, SLOT(slotUrlChanged(const KUrl&)));
  90     connect(m_urlNavigator, SIGNAL(historyChanged()),
  91             mainWindow, SLOT(slotHistoryChanged()));
  92
  93     m_statusBar = new DolphinStatusBar(this);
  94
  95     m_dirLister = new DolphinDirLister();
  96     m_dirLister->setAutoUpdate(true);
  97     m_dirLister->setMainWindow(this);
  98     m_dirLister->setShowingDotFiles(showHiddenFiles);
  99     connect(m_dirLister, SIGNAL(clear()),
 100             this, SLOT(slotClear()));
 101     connect(m_dirLister, SIGNAL(percent(int)),
 102             this, SLOT(slotPercent(int)));
 103     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 104             this, SLOT(slotDeleteItem(KFileItem*)));
 105     connect(m_dirLister, SIGNAL(completed()),
 106             this, SLOT(slotCompleted()));
 107     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 108             this, SLOT(slotInfoMessage(const QString&)));
 109     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 110             this, SLOT(slotErrorMessage(const QString&)));
 111
 112     m_iconsView = new DolphinIconsView(this);
 113     connect(m_iconsView, SIGNAL(clicked(const QModelIndex&)),
 114             this, SLOT(triggerItem(const QModelIndex&)));
 115     applyModeToView();
 116
 117     KDirModel* model = new KDirModel();
 118     model->setDirLister(m_dirLister);
 119     m_iconsView->setModel(model);
 120
 121     m_dirLister->setDelayedMimeTypes(true);
 122     new KMimeTypeResolver( m_iconsView, model );
 123
 124     m_iconSize = K3Icon::SizeMedium;
 125
 126     m_filterBar = new FilterBar(mainWindow, this);
 127     m_filterBar->hide();
 128     connect(m_filterBar, SIGNAL(signalFilterChanged(const QString&)),
 129            this, SLOT(slotChangeNameFilter(const QString&)));
 130
 131     m_topLayout->addWidget(m_urlNavigator);
 132     m_topLayout->addWidget(m_iconsView);
 133     m_topLayout->addWidget(m_filterBar);
 134     m_topLayout->addWidget(m_statusBar);
 135
 136     startDirLister(m_urlNavigator->url());
 137 }
 138
 139 DolphinView::~DolphinView()
 140 {
 141     delete m_dirLister;
 142     m_dirLister = 0;
 143 }
 144
 145 void DolphinView::setUrl(const KUrl& url)
 146 {
 147     m_urlNavigator->setUrl(url);
 148 }
 149
 150 const KUrl& DolphinView::url() const
 151 {
 152     return m_urlNavigator->url();
 153 }
 154
 155 void DolphinView::requestActivation()
 156 {
 157     mainWindow()->setActiveView(this);
 158 }
 159
 160 bool DolphinView::isActive() const
 161 {
 162     return (mainWindow()->activeView() == this);
 163 }
 164
 165 void DolphinView::setMode(Mode mode)
 166 {
 167     if (mode == m_mode) {
 168         return;         // the wished mode is already set
 169     }
 170
 171     m_mode = mode;
 172
 173     ViewProperties props(m_urlNavigator->url());
 174     props.setViewMode(m_mode);
 175
 176     applyModeToView();
 177     startDirLister(m_urlNavigator->url());
 178
 179     emit signalModeChanged();
 180 }
 181
 182 DolphinView::Mode DolphinView::mode() const
 183 {
 184     return m_mode;
 185 }
 186
 187 void DolphinView::setShowHiddenFilesEnabled(bool show)
 188 {
 189     if (m_dirLister->showingDotFiles() == show) {
 190         return;
 191     }
 192
 193     ViewProperties props(m_urlNavigator->url());
 194     props.setShowHiddenFilesEnabled(show);
 195     props.save();
 196
 197     m_dirLister->setShowingDotFiles(show);
 198
 199     emit signalShowHiddenFilesChanged();
 200
 201     reload();
 202 }
 203
 204 bool DolphinView::isShowHiddenFilesEnabled() const
 205 {
 206     return m_dirLister->showingDotFiles();
 207 }
 208
 209 void DolphinView::setViewProperties(const ViewProperties& props)
 210 {
 211     setMode(props.viewMode());
 212     setSorting(props.sorting());
 213     setSortOrder(props.sortOrder());
 214     setShowHiddenFilesEnabled(props.isShowHiddenFilesEnabled());
 215 }
 216
 217 void DolphinView::renameSelectedItems()
 218 {
 219     const KUrl::List urls = selectedUrls();
 220     if (urls.count() > 1) {
 221         // More than one item has been selected for renaming. Open
 222         // a rename dialog and rename all items afterwards.
 223         RenameDialog dialog(urls);
 224         if (dialog.exec() == QDialog::Rejected) {
 225             return;
 226         }
 227
 228         DolphinView* view = mainWindow()->activeView();
 229         const QString& newName = dialog.newName();
 230         if (newName.isEmpty()) {
 231             view->statusBar()->setMessage(i18n("The new item name is invalid."),
 232                                           DolphinStatusBar::Error);
 233         }
 234         else {
 235             UndoManager& undoMan = UndoManager::instance();
 236             undoMan.beginMacro();
 237
 238             assert(newName.contains('#'));
 239
 240             const int urlsCount = urls.count();
 241             ProgressIndicator* progressIndicator =
 242                 new  ProgressIndicator(mainWindow(),
 243                                        i18n("Renaming items..."),
 244                                        i18n("Renaming finished."),
 245                                        urlsCount);
 246
 247             // iterate through all selected items and rename them...
 248             const int replaceIndex = newName.indexOf('#');
 249             assert(replaceIndex >= 0);
 250             for (int i = 0; i < urlsCount; ++i) {
 251                 const KUrl& source = urls[i];
 252                 QString name(newName);
 253                 name.replace(replaceIndex, 1, renameIndexPresentation(i + 1, urlsCount));
 254
 255                 if (source.fileName() != name) {
 256                     KUrl dest(source.upUrl());
 257                     dest.addPath(name);
 258
 259                     const bool destExists = KIO::NetAccess::exists(dest, false, view);
 260                     if (destExists) {
 261                         delete progressIndicator;
 262                         progressIndicator = 0;
 263                         view->statusBar()->setMessage(i18n("Renaming failed (item '%1' already exists).",name),
 264                                                       DolphinStatusBar::Error);
 265                         break;
 266                     }
 267                     else if (KIO::NetAccess::file_move(source, dest)) {
 268                         // TODO: From the users point of view he executed one 'rename n files' operation,
 269                         // but internally we store it as n 'rename 1 file' operations for the undo mechanism.
 270                         DolphinCommand command(DolphinCommand::Rename, source, dest);
 271                         undoMan.addCommand(command);
 272                     }
 273                 }
 274
 275                 progressIndicator->execOperation();
 276             }
 277             delete progressIndicator;
 278             progressIndicator = 0;
 279
 280             undoMan.endMacro();
 281         }
 282     }
 283     else {
 284         // Only one item has been selected for renaming. Use the custom
 285         // renaming mechanism from the views.
 286         assert(urls.count() == 1);
 287         // TODO:
 288         /*if (m_mode == DetailsView) {
 289             Q3ListViewItem* item = m_iconsView->firstChild();
 290             while (item != 0) {
 291                 if (item->isSelected()) {
 292                     m_iconsView->rename(item, DolphinDetailsView::NameColumn);
 293                     break;
 294                 }
 295                 item = item->nextSibling();
 296             }
 297         }
 298         else {
 299             KFileIconViewItem* item = static_cast<KFileIconViewItem*>(m_iconsView->firstItem());
 300             while (item != 0) {
 301                 if (item->isSelected()) {
 302                     item->rename();
 303                     break;
 304                 }
 305                 item = static_cast<KFileIconViewItem*>(item->nextItem());
 306             }
 307         }*/
 308     }
 309 }
 310
 311 void DolphinView::selectAll()
 312 {
 313     //fileView()->selectAll();
 314 }
 315
 316 void DolphinView::invertSelection()
 317 {
 318     //fileView()->invertSelection();
 319 }
 320
 321 DolphinStatusBar* DolphinView::statusBar() const
 322 {
 323     return m_statusBar;
 324 }
 325
 326 int DolphinView::contentsX() const
 327 {
 328
 329     return 0; //scrollView()->contentsX();
 330 }
 331
 332 int DolphinView::contentsY() const
 333 {
 334     return 0; //scrollView()->contentsY();
 335 }
 336
 337 void DolphinView::refreshSettings()
 338 {
 339     startDirLister(m_urlNavigator->url());
 340 }
 341
 342 void DolphinView::updateStatusBar()
 343 {
 344     // As the item count information is less important
 345     // in comparison with other messages, it should only
 346     // be shown if:
 347     // - the status bar is empty or
 348     // - shows already the item count information or
 349     // - shows only a not very important information
 350     // - if any progress is given don't show the item count info at all
 351     const QString msg(m_statusBar->message());
 352     const bool updateStatusBarMsg = (msg.isEmpty() ||
 353                                      (msg == m_statusBar->defaultText()) ||
 354                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 355                                     (m_statusBar->progress() == 100);
 356
 357     const QString text(hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 358     m_statusBar->setDefaultText(text);
 359
 360     if (updateStatusBarMsg) {
 361         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 362     }
 363 }
 364
 365 void DolphinView::requestItemInfo(const KUrl& url)
 366 {
 367     emit signalRequestItemInfo(url);
 368 }
 369
 370 bool DolphinView::isUrlEditable() const
 371 {
 372     return m_urlNavigator->isUrlEditable();
 373 }
 374
 375 void DolphinView::zoomIn()
 376 {
 377     //itemEffectsManager()->zoomIn();
 378 }
 379
 380 void DolphinView::zoomOut()
 381 {
 382     //itemEffectsManager()->zoomOut();
 383 }
 384
 385 bool DolphinView::isZoomInPossible() const
 386 {
 387     return false; //itemEffectsManager()->isZoomInPossible();
 388 }
 389
 390 bool DolphinView::isZoomOutPossible() const
 391 {
 392     return false; //itemEffectsManager()->isZoomOutPossible();
 393 }
 394
 395 void DolphinView::setSorting(Sorting sorting)
 396 {
 397     if (sorting != this->sorting()) {
 398         /*KFileView* view = fileView();
 399         int spec = view->sorting() & ~QDir::Name & ~QDir::Size & ~QDir::Time & ~QDir::Unsorted;
 400
 401         switch (sorting) {
 402             case SortByName: spec = spec | QDir::Name; break;
 403             case SortBySize: spec = spec | QDir::Size; break;
 404             case SortByDate: spec = spec | QDir::Time; break;
 405             default: break;
 406         }
 407
 408         ViewProperties props(url());
 409         props.setSorting(sorting);
 410
 411         view->setSorting(static_cast<QDir::SortFlags>(spec));
 412
 413         emit signalSortingChanged(sorting);*/
 414     }
 415 }
 416
 417 DolphinView::Sorting DolphinView::sorting() const
 418 {
 419     /*const QDir::SortFlags spec = fileView()->sorting();
 420
 421     if (spec & QDir::Time) {
 422         return SortByDate;
 423     }
 424
 425     if (spec & QDir::Size) {
 426         return SortBySize;
 427     }*/
 428
 429     return SortByName;
 430 }
 431
 432 void DolphinView::setSortOrder(Qt::SortOrder order)
 433 {
 434     if (sortOrder() != order) {
 435         /*KFileView* view = fileView();
 436         int sorting = view->sorting();
 437         sorting = (order == Qt::Ascending) ? (sorting & ~QDir::Reversed) :
 438                                              (sorting | QDir::Reversed);
 439
 440         ViewProperties props(url());
 441         props.setSortOrder(order);
 442
 443         view->setSorting(static_cast<QDir::SortFlags>(sorting));
 444
 445         emit signalSortOrderChanged(order);*/
 446     }
 447 }
 448
 449 Qt::SortOrder DolphinView::sortOrder() const
 450 {
 451     //return fileView()->isReversed() ? Qt::Descending : Qt::Ascending;
 452     return Qt::Descending;
 453 }
 454
 455 void DolphinView::goBack()
 456 {
 457     m_urlNavigator->goBack();
 458 }
 459
 460 void DolphinView::goForward()
 461 {
 462     m_urlNavigator->goForward();
 463 }
 464
 465 void DolphinView::goUp()
 466 {
 467     m_urlNavigator->goUp();
 468 }
 469
 470 void DolphinView::goHome()
 471 {
 472     m_urlNavigator->goHome();
 473 }
 474
 475 void DolphinView::setUrlEditable(bool editable)
 476 {
 477     m_urlNavigator->editUrl(editable);
 478 }
 479
 480 const Q3ValueList<UrlNavigator::HistoryElem> DolphinView::urlHistory(int& index) const
 481 {
 482     return m_urlNavigator->history(index);
 483 }
 484
 485 bool DolphinView::hasSelection() const
 486 {
 487     return m_iconsView->selectionModel()->hasSelection();
 488 }
 489
 490 KFileItemList DolphinView::selectedItems() const
 491 {
 492     QItemSelectionModel* selModel = m_iconsView->selectionModel();
 493     assert(selModel != 0);
 494
 495     KFileItemList itemList;
 496     if (selModel->hasSelection()) {
 497        KDirModel* dirModel = static_cast<KDirModel*>(m_iconsView->model());
 498        const QModelIndexList indexList = selModel->selectedIndexes();
 499
 500         QModelIndexList::const_iterator end = indexList.end();
 501         for (QModelIndexList::const_iterator it = indexList.begin(); it != end; ++it) {
 502            KFileItem* item = dirModel->itemForIndex(*it);
 503            if (item != 0) {
 504                itemList.append(item);
 505            }
 506         }
 507     }
 508     return itemList;
 509 }
 510
 511 KUrl::List DolphinView::selectedUrls() const
 512 {
 513     KUrl::List urls;
 514
 515     const KFileItemList list = selectedItems();
 516     KFileItemList::const_iterator it = list.begin();
 517     const KFileItemList::const_iterator end = list.end();
 518     while (it != end) {
 519         KFileItem* item = *it;
 520         urls.append(item->url());
 521         ++it;
 522     }
 523
 524     return urls;
 525 }
 526
 527 const KFileItem* DolphinView::currentFileItem() const
 528 {
 529     return 0; // fileView()->currentFileItem();
 530 }
 531
 532 void DolphinView::openContextMenu(KFileItem* fileInfo, const QPoint& pos)
 533 {
 534     DolphinContextMenu contextMenu(this, fileInfo, pos);
 535     contextMenu.open();
 536 }
 537
 538 void DolphinView::rename(const KUrl& source, const QString& newName)
 539 {
 540     bool ok = false;
 541
 542     if (newName.isEmpty() || (source.fileName() == newName)) {
 543         return;
 544     }
 545
 546     KUrl dest(source.upUrl());
 547     dest.addPath(newName);
 548
 549     const bool destExists = KIO::NetAccess::exists(dest,
 550                                                    false,
 551                                                    mainWindow()->activeView());
 552     if (destExists) {
 553         // the destination already exists, hence ask the user
 554         // how to proceed...
 555         KIO::RenameDlg renameDialog(this,
 556                                     i18n("File Already Exists"),
 557                                     source.path(),
 558                                     dest.path(),
 559                                     KIO::M_OVERWRITE);
 560         switch (renameDialog.exec()) {
 561             case KIO::R_OVERWRITE:
 562                 // the destination should be overwritten
 563                 ok = KIO::NetAccess::file_move(source, dest, -1, true);
 564                 break;
 565
 566             case KIO::R_RENAME: {
 567                 // a new name for the destination has been used
 568                 KUrl newDest(renameDialog.newDestUrl());
 569                 ok = KIO::NetAccess::file_move(source, newDest);
 570                 break;
 571             }
 572
 573             default:
 574                 // the renaming operation has been canceled
 575                 reload();
 576                 return;
 577         }
 578     }
 579     else {
 580         // no destination exists, hence just move the file to
 581         // do the renaming
 582         ok = KIO::NetAccess::file_move(source, dest);
 583     }
 584
 585     if (ok) {
 586         m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.",source.fileName(), dest.fileName()),
 587                                 DolphinStatusBar::OperationCompleted);
 588
 589         DolphinCommand command(DolphinCommand::Rename, source, dest);
 590         UndoManager::instance().addCommand(command);
 591     }
 592     else {
 593         m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.",source.fileName(), dest.fileName()),
 594                                 DolphinStatusBar::Error);
 595         reload();
 596     }
 597 }
 598
 599 void DolphinView::reload()
 600 {
 601     startDirLister(m_urlNavigator->url(), true);
 602 }
 603
 604 void DolphinView::slotUrlListDropped(QDropEvent* /* event */,
 605                                      const KUrl::List& urls,
 606                                      const KUrl& url)
 607 {
 608     KUrl destination(url);
 609     if (destination.isEmpty()) {
 610         destination = m_urlNavigator->url();
 611     }
 612     else {
 613         // Check whether the destination Url is a directory. If this is not the
 614         // case, use the navigator Url as destination (otherwise the destination,
 615         // which represents a file, would be replaced by a copy- or move-operation).
 616         KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, destination);
 617         if (!fileItem.isDir()) {
 618             destination = m_urlNavigator->url();
 619         }
 620     }
 621
 622     mainWindow()->dropUrls(urls, destination);
 623 }
 624
 625 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 626 {
 627     QWidget::mouseReleaseEvent(event);
 628     mainWindow()->setActiveView(this);
 629 }
 630
 631 DolphinMainWindow* DolphinView::mainWindow() const
 632 {
 633     return m_mainWindow;
 634 }
 635
 636 void DolphinView::slotUrlChanged(const KUrl& url)
 637 {
 638     const ViewProperties props(url);
 639     setMode(props.viewMode());
 640
 641     const bool showHiddenFiles = props.isShowHiddenFilesEnabled();
 642     setShowHiddenFilesEnabled(showHiddenFiles);
 643     m_dirLister->setShowingDotFiles(showHiddenFiles);
 644
 645     setSorting(props.sorting());
 646     setSortOrder(props.sortOrder());
 647
 648     startDirLister(url);
 649
 650     // The selectionChanged signal is not emitted when a new view object is
 651     // created. The application does not care whether a view is represented by a
 652     // different instance, hence inform the application that the selection might have
 653     // changed so that it can update it's actions.
 654     mainWindow()->slotSelectionChanged();
 655
 656     emit signalUrlChanged(url);
 657 }
 658
 659 void DolphinView::triggerIconsViewItem(Q3IconViewItem* item)
 660 {
 661     /* KDE4-TODO:
 662     const Qt::ButtonState keyboardState = KApplication::keyboardMouseState();
 663     const bool isSelectionActive = ((keyboardState & Qt::ShiftModifier) > 0) ||
 664                                    ((keyboardState & Qt::ControlModifier) > 0);*/
 665     const bool isSelectionActive = false;
 666     if ((item != 0) && !isSelectionActive) {
 667         // Updating the Url must be done outside the scope of this slot,
 668         // as iconview items will get deleted.
 669         QTimer::singleShot(0, this, SLOT(updateUrl()));
 670         mainWindow()->setActiveView(this);
 671     }
 672 }
 673
 674 void DolphinView::triggerItem(const QModelIndex& index)
 675 {
 676     KDirModel* dirModel = static_cast<KDirModel*>(m_iconsView->model());
 677     KFileItem* item = dirModel->itemForIndex(index);
 678     if (item == 0) {
 679         return;
 680     }
 681
 682     if (item->isDir()) {
 683         // Prefer the local path over the Url. This assures that the
 684         // volume space information is correct. Assuming that the Url is media:/sda1,
 685         // and the local path is /windows/C: For the Url the space info is related
 686         // to the root partition (and hence wrong) and for the local path the space
 687         // info is related to the windows partition (-> correct).
 688         //m_dirLister->stop();
 689         //m_dirLister->openUrl(item->url());
 690         //return;
 691
 692         const QString localPath(item->localPath());
 693         if (localPath.isEmpty()) {
 694             setUrl(item->url());
 695         }
 696         else {
 697             setUrl(KUrl(localPath));
 698         }
 699     }
 700     else {
 701         item->run();
 702     }
 703 }
 704
 705 void DolphinView::updateUrl()
 706 {
 707     //KFileView* fileView = (m_iconsView != 0) ? static_cast<KFileView*>(m_iconsView) :
 708     //                                           static_cast<KFileView*>(m_iconsView);
 709
 710     KFileItem* fileItem = 0; // TODO: fileView->currentFileItem();
 711     if (fileItem == 0) {
 712         return;
 713     }
 714
 715     if (fileItem->isDir()) {
 716         // Prefer the local path over the Url. This assures that the
 717         // volume space information is correct. Assuming that the Url is media:/sda1,
 718         // and the local path is /windows/C: For the Url the space info is related
 719         // to the root partition (and hence wrong) and for the local path the space
 720         // info is related to the windows partition (-> correct).
 721         const QString localPath(fileItem->localPath());
 722         if (localPath.isEmpty()) {
 723             setUrl(fileItem->url());
 724         }
 725         else {
 726             setUrl(KUrl(localPath));
 727         }
 728     }
 729     else {
 730         fileItem->run();
 731     }
 732 }
 733
 734 void DolphinView::slotPercent(int percent)
 735 {
 736     if (m_showProgress) {
 737         m_statusBar->setProgress(percent);
 738     }
 739 }
 740
 741 void DolphinView::slotClear()
 742 {
 743     //fileView()->clearView();
 744     updateStatusBar();
 745 }
 746
 747 void DolphinView::slotDeleteItem(KFileItem* item)
 748 {
 749     //fileView()->removeItem(item);
 750     updateStatusBar();
 751 }
 752
 753 void DolphinView::slotCompleted()
 754 {
 755     m_refreshing = true;
 756
 757     //KFileView* view = fileView();
 758     //view->clearView();
 759
 760     // TODO: in Qt4 the code should get a lot
 761     // simpler and nicer due to Interview...
 762     /*if (m_iconsView != 0) {
 763         m_iconsView->beginItemUpdates();
 764     }
 765     if (m_iconsView != 0) {
 766         m_iconsView->beginItemUpdates();
 767     }*/
 768
 769     if (m_showProgress) {
 770         m_statusBar->setProgressText(QString::null);
 771         m_statusBar->setProgress(100);
 772         m_showProgress = false;
 773     }
 774
 775     KFileItemList items(m_dirLister->items());
 776     KFileItemList::const_iterator it = items.begin();
 777     const KFileItemList::const_iterator end = items.end();
 778
 779     m_fileCount = 0;
 780     m_folderCount = 0;
 781
 782     while (it != end) {
 783         KFileItem* item = *it;
 784         //view->insertItem(item);
 785         if (item->isDir()) {
 786             ++m_folderCount;
 787         }
 788         else {
 789             ++m_fileCount;
 790         }
 791         ++it;
 792     }
 793
 794     updateStatusBar();
 795
 796     /*if (m_iconsView != 0) {
 797         // Prevent a flickering of the icon view widget by giving a small
 798         // timeslot to swallow asynchronous update events.
 799         m_iconsView->setUpdatesEnabled(false);
 800         QTimer::singleShot(10, this, SLOT(slotDelayedUpdate()));
 801     }
 802
 803     if (m_iconsView != 0) {
 804         m_iconsView->endItemUpdates();
 805         m_refreshing = false;
 806     }*/
 807 }
 808
 809 void DolphinView::slotInfoMessage(const QString& msg)
 810 {
 811     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 812 }
 813
 814 void DolphinView::slotErrorMessage(const QString& msg)
 815 {
 816     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 817 }
 818
 819 void DolphinView::slotGrabActivation()
 820 {
 821     mainWindow()->setActiveView(this);
 822 }
 823
 824 void DolphinView::slotContentsMoving(int x, int y)
 825 {
 826     if (!m_refreshing) {
 827         // Only emit a 'contents moved' signal if the user
 828         // moved the content by adjusting the sliders. Adjustments
 829         // resulted by refreshing a directory should not be respected.
 830         emit contentsMoved(x, y);
 831     }
 832 }
 833
 834 /*KFileView* DolphinView::fileView() const
 835 {
 836     return (m_mode == DetailsView) ? static_cast<KFileView*>(m_iconsView) :
 837                                      static_cast<KFileView*>(m_iconsView);
 838 }*/
 839
 840 Q3ScrollView* DolphinView::scrollView() const
 841 {
 842     return 0; //(m_mode == DetailsView) ? static_cast<Q3ScrollView*>(m_iconsView) :
 843               //                       static_cast<Q3ScrollView*>(m_iconsView);
 844 }
 845
 846 ItemEffectsManager* DolphinView::itemEffectsManager() const
 847 {
 848     return 0;
 849 }
 850
 851 void DolphinView::startDirLister(const KUrl& url, bool reload)
 852 {
 853     if (!url.isValid()) {
 854         const QString location(url.pathOrUrl());
 855         if (location.isEmpty()) {
 856             m_statusBar->setMessage(i18n("The location is empty."), DolphinStatusBar::Error);
 857         }
 858         else {
 859             m_statusBar->setMessage(i18n("The location '%1' is invalid.",location),
 860                                     DolphinStatusBar::Error);
 861         }
 862         return;
 863     }
 864
 865     // Only show the directory loading progress if the status bar does
 866     // not contain another progress information. This means that
 867     // the directory loading progress information has the lowest priority.
 868     const QString progressText(m_statusBar->progressText());
 869     m_showProgress = progressText.isEmpty() ||
 870                      (progressText == i18n("Loading directory..."));
 871     if (m_showProgress) {
 872         m_statusBar->setProgressText(i18n("Loading directory..."));
 873         m_statusBar->setProgress(0);
 874     }
 875
 876     m_refreshing = true;
 877     m_dirLister->stop();
 878     m_dirLister->openUrl(url, false, reload);
 879 }
 880
 881 QString DolphinView::defaultStatusBarText() const
 882 {
 883     // TODO: the following code is not suitable for languages where multiple forms
 884     // of plurals are given (e. g. in Poland three forms of plurals exist).
 885     const int itemCount = m_folderCount + m_fileCount;
 886
 887     QString text;
 888     if (itemCount == 1) {
 889         text = i18n("1 Item");
 890     }
 891     else {
 892         text = i18n("%1 Items",itemCount);
 893     }
 894
 895     text += " (";
 896
 897     if (m_folderCount == 1) {
 898         text += i18n("1 Folder");
 899     }
 900     else {
 901         text += i18n("%1 Folders",m_folderCount);
 902     }
 903
 904     text += ", ";
 905
 906     if (m_fileCount == 1) {
 907         text += i18n("1 File");
 908     }
 909     else {
 910         text += i18n("%1 Files",m_fileCount);
 911     }
 912
 913     text += ")";
 914
 915     return text;
 916 }
 917
 918 QString DolphinView::selectionStatusBarText() const
 919 {
 920     // TODO: the following code is not suitable for languages where multiple forms
 921     // of plurals are given (e. g. in Poland three forms of plurals exist).
 922     QString text;
 923     const KFileItemList list = selectedItems();
 924     if (list.isEmpty()) {
 925         // TODO: assert(!list.isEmpty()) should be used, as this method is only invoked if
 926         // DolphinView::hasSelection() is true. Inconsistent behavior?
 927         return QString();
 928     }
 929
 930     int fileCount = 0;
 931     int folderCount = 0;
 932     KIO::filesize_t byteSize = 0;
 933     KFileItemList::const_iterator it = list.begin();
 934     const KFileItemList::const_iterator end = list.end();
 935     while (it != end){
 936         KFileItem* item = *it;
 937         if (item->isDir()) {
 938             ++folderCount;
 939         }
 940         else {
 941             ++fileCount;
 942             byteSize += item->size();
 943         }
 944         ++it;
 945     }
 946
 947     if (folderCount == 1) {
 948         text = i18n("1 Folder selected");
 949     }
 950     else if (folderCount > 1) {
 951         text = i18n("%1 Folders selected",folderCount);
 952     }
 953
 954     if ((fileCount > 0) && (folderCount > 0)) {
 955         text += ", ";
 956     }
 957
 958     const QString sizeText(KIO::convertSize(byteSize));
 959     if (fileCount == 1) {
 960         text += i18n("1 File selected (%1)",sizeText);
 961     }
 962     else if (fileCount > 1) {
 963         text += i18n("%1 Files selected (%1)",fileCount,sizeText);
 964     }
 965
 966     return text;
 967 }
 968
 969 QString DolphinView::renameIndexPresentation(int index, int itemCount) const
 970 {
 971     // assure that the string reprentation for all indicess have the same
 972     // number of characters based on the given number of items
 973     QString str(QString::number(index));
 974     int chrCount = 1;
 975     while (itemCount >= 10) {
 976         ++chrCount;
 977         itemCount /= 10;
 978     }
 979     str.reserve(chrCount);
 980
 981     const int insertCount = chrCount - str.length();
 982     for (int i = 0; i < insertCount; ++i) {
 983         str.insert(0, '0');
 984     }
 985     return str;
 986 }
 987
 988 void DolphinView::slotShowFilterBar(bool show)
 989 {
 990     assert(m_filterBar != 0);
 991     if (show) {
 992         m_filterBar->show();
 993     }
 994     else {
 995         m_filterBar->hide();
 996     }
 997 }
 998
 999 void DolphinView::declareViewActive()
1000 {
1001     mainWindow()->setActiveView( this );
1002 }
1003
1004 void DolphinView::slotChangeNameFilter(const QString& nameFilter)
1005 {
1006     // The name filter of KDirLister does a 'hard' filtering, which
1007     // means that only the items are shown where the names match
1008     // exactly the filter. This is non-transparent for the user, which
1009     // just wants to have a 'soft' filtering: does the name contain
1010     // the filter string?
1011     QString adjustedFilter(nameFilter);
1012     adjustedFilter.insert(0, '*');
1013     adjustedFilter.append('*');
1014
1015     m_dirLister->setNameFilter(adjustedFilter);
1016     m_dirLister->emitChanges();
1017
1018     // TODO: this is a workaround for QIconView: the item position
1019     // stay as they are by filtering, only an inserting of an item
1020     // results to an automatic adjusting of the item position. In Qt4/KDE4
1021     // this workaround should get obsolete due to Interview.
1022     /*KFileView* view = fileView();
1023     if (view == m_iconsView) {
1024         KFileItem* first = view->firstFileItem();
1025         if (first != 0) {
1026             view->removeItem(first);
1027             view->insertItem(first);
1028         }
1029     }*/
1030 }
1031
1032 bool DolphinView::isFilterBarVisible()
1033 {
1034   return m_filterBar->isVisible();
1035 }
1036
1037 void DolphinView::applyModeToView()
1038 {
1039     // TODO: the following code just tries to test some QListView capabilities
1040     switch (m_mode) {
1041         case IconsView:
1042             m_iconsView->setViewMode(QListView::IconMode);
1043             m_iconsView->setGridSize(QSize(128, 64));
1044             break;
1045
1046         case DetailsView:
1047             m_iconsView->setViewMode(QListView::ListMode);
1048             m_iconsView->setGridSize(QSize(256, 24));
1049             break;
1050
1051         case PreviewsView:
1052             m_iconsView->setViewMode(QListView::IconMode);
1053             m_iconsView->setGridSize(QSize(128, 128));
1054             break;
1055     }
1056 }
1057
1058 #include "dolphinview.moc"