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