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