src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QApplication>
  24 #include <QClipboard>
  25 #include <QDropEvent>
  26 #include <QItemSelectionModel>
  27 #include <QMouseEvent>
  28 #include <QVBoxLayout>
  29 #include <QTimer>
  30 #include <QScrollBar>
  31
  32 #include <kdirmodel.h>
  33 #include <kfileitemdelegate.h>
  34 #include <kfileplacesmodel.h>
  35 #include <klocale.h>
  36 #include <kiconeffect.h>
  37 #include <kio/netaccess.h>
  38 #include <kio/renamedialog.h>
  39 #include <kio/previewjob.h>
  40 #include <kmimetyperesolver.h>
  41 #include <konqmimedata.h>
  42 #include <konq_operations.h>
  43 #include <kurl.h>
  44
  45 #include "dolphincolumnview.h"
  46 #include "dolphincontroller.h"
  47 #include "dolphinstatusbar.h"
  48 #include "dolphinmainwindow.h"
  49 #include "dolphindirlister.h"
  50 #include "dolphinsortfilterproxymodel.h"
  51 #include "dolphindetailsview.h"
  52 #include "dolphiniconsview.h"
  53 #include "dolphincontextmenu.h"
  54 #include "filterbar.h"
  55 #include "renamedialog.h"
  56 #include "kurlnavigator.h"
  57 #include "viewproperties.h"
  58 #include "dolphinsettings.h"
  59 #include "dolphin_generalsettings.h"
  60
  61 DolphinView::DolphinView(DolphinMainWindow* mainWindow,
  62                          QWidget* parent,
  63                          const KUrl& url,
  64                          Mode mode,
  65                          bool showHiddenFiles) :
  66         QWidget(parent),
  67         m_showProgress(false),
  68         m_blockContentsMovedSignal(false),
  69         m_mode(mode),
  70         m_iconSize(0),
  71         m_folderCount(0),
  72         m_fileCount(0),
  73         m_mainWindow(mainWindow),
  74         m_topLayout(0),
  75         m_urlNavigator(0),
  76         m_controller(0),
  77         m_iconsView(0),
  78         m_detailsView(0),
  79         m_columnView(0),
  80         m_fileItemDelegate(0),
  81         m_filterBar(0),
  82         m_statusBar(0),
  83         m_dirModel(0),
  84         m_dirLister(0),
  85         m_proxyModel(0)
  86 {
  87     hide();
  88     setFocusPolicy(Qt::StrongFocus);
  89     m_topLayout = new QVBoxLayout(this);
  90     m_topLayout->setSpacing(0);
  91     m_topLayout->setMargin(0);
  92
  93     connect(m_mainWindow, SIGNAL(activeViewChanged()),
  94             this, SLOT(updateActivationState()));
  95
  96     QClipboard* clipboard = QApplication::clipboard();
  97     connect(clipboard, SIGNAL(dataChanged()),
  98             this, SLOT(updateCutItems()));
  99
 100     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
 101     m_urlNavigator->setUrlEditable(DolphinSettings::instance().generalSettings()->editableUrl());
 102     m_urlNavigator->setHomeUrl(DolphinSettings::instance().generalSettings()->homeUrl());
 103     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 104             this, SLOT(loadDirectory(const KUrl&)));
 105     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 106             this, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 107     connect(m_urlNavigator, SIGNAL(activated()),
 108             this, SLOT(requestActivation()));
 109     connect(this, SIGNAL(contentsMoved(int, int)),
 110             m_urlNavigator, SLOT(savePosition(int, int)));
 111
 112     m_statusBar = new DolphinStatusBar(this);
 113
 114     m_dirLister = new DolphinDirLister();
 115     m_dirLister->setAutoUpdate(true);
 116     m_dirLister->setMainWindow(this);
 117     m_dirLister->setShowingDotFiles(showHiddenFiles);
 118     m_dirLister->setDelayedMimeTypes(true);
 119
 120     connect(m_dirLister, SIGNAL(clear()),
 121             this, SLOT(updateStatusBar()));
 122     connect(m_dirLister, SIGNAL(percent(int)),
 123             this, SLOT(updateProgress(int)));
 124     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 125             this, SLOT(updateStatusBar()));
 126     connect(m_dirLister, SIGNAL(completed()),
 127             this, SLOT(updateItemCount()));
 128     connect(m_dirLister, SIGNAL(completed()),
 129             this, SLOT(updateCutItems()));
 130     connect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
 131             this, SLOT(generatePreviews(const KFileItemList&)));
 132     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 133             this, SLOT(showInfoMessage(const QString&)));
 134     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 135             this, SLOT(showErrorMessage(const QString&)));
 136
 137     m_dirModel = new KDirModel();
 138     m_dirModel->setDirLister(m_dirLister);
 139     m_dirModel->setDropsAllowed(KDirModel::DropOnDirectory);
 140
 141     m_proxyModel = new DolphinSortFilterProxyModel(this);
 142     m_proxyModel->setSourceModel(m_dirModel);
 143
 144     m_controller = new DolphinController(this);
 145     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 146             this, SLOT(openContextMenu(const QPoint&)));
 147     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const QModelIndex&, QWidget*)),
 148             this, SLOT(dropUrls(const KUrl::List&, const QModelIndex&, QWidget*)));
 149     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 150             this, SLOT(updateSorting(DolphinView::Sorting)));
 151     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 152             this, SLOT(updateSortOrder(Qt::SortOrder)));
 153     connect(m_controller, SIGNAL(itemTriggered(const QModelIndex&)),
 154             this, SLOT(triggerItem(const QModelIndex&)));
 155     connect(m_controller, SIGNAL(selectionChanged()),
 156             this, SLOT(emitSelectionChangedSignal()));
 157     connect(m_controller, SIGNAL(activated()),
 158             this, SLOT(requestActivation()));
 159
 160     createView();
 161
 162     m_iconSize = K3Icon::SizeMedium;
 163
 164     m_filterBar = new FilterBar(this);
 165     m_filterBar->hide();
 166     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 167             this, SLOT(changeNameFilter(const QString&)));
 168     connect(m_filterBar, SIGNAL(closeRequest()),
 169             this, SLOT(closeFilterBar()));
 170
 171     m_topLayout->addWidget(m_urlNavigator);
 172     m_topLayout->addWidget(itemView());
 173     m_topLayout->addWidget(m_filterBar);
 174     m_topLayout->addWidget(m_statusBar);
 175 }
 176
 177 DolphinView::~DolphinView()
 178 {
 179     delete m_dirLister;
 180     m_dirLister = 0;
 181 }
 182
 183 void DolphinView::setUrl(const KUrl& url)
 184 {
 185     m_urlNavigator->setUrl(url);
 186     m_controller->setUrl(url);
 187 }
 188
 189 const KUrl& DolphinView::url() const
 190 {
 191     return m_urlNavigator->url();
 192 }
 193
 194 bool DolphinView::isActive() const
 195 {
 196     return m_mainWindow->activeView() == this;
 197 }
 198
 199 void DolphinView::setMode(Mode mode)
 200 {
 201     if (mode == m_mode) {
 202         return; // the wished mode is already set
 203     }
 204
 205     m_mode = mode;
 206
 207     ViewProperties props(m_urlNavigator->url());
 208     props.setViewMode(m_mode);
 209
 210     createView();
 211     startDirLister(m_urlNavigator->url());
 212
 213     emit modeChanged();
 214 }
 215
 216 DolphinView::Mode DolphinView::mode() const
 217 {
 218     return m_mode;
 219 }
 220
 221 void DolphinView::setShowPreview(bool show)
 222 {
 223     ViewProperties props(m_urlNavigator->url());
 224     props.setShowPreview(show);
 225
 226     m_controller->setShowPreview(show);
 227
 228     emit showPreviewChanged();
 229     reload();
 230 }
 231
 232 bool DolphinView::showPreview() const
 233 {
 234     return m_controller->showPreview();
 235 }
 236
 237 void DolphinView::setShowHiddenFiles(bool show)
 238 {
 239     if (m_dirLister->showingDotFiles() == show) {
 240         return;
 241     }
 242
 243     ViewProperties props(m_urlNavigator->url());
 244     props.setShowHiddenFiles(show);
 245     props.save();
 246
 247     m_dirLister->setShowingDotFiles(show);
 248     emit showHiddenFilesChanged();
 249
 250     reload();
 251 }
 252
 253 bool DolphinView::showHiddenFiles() const
 254 {
 255     return m_dirLister->showingDotFiles();
 256 }
 257
 258 void DolphinView::renameSelectedItems()
 259 {
 260     DolphinView* view = mainWindow()->activeView();
 261     const KUrl::List urls = selectedUrls();
 262     if (urls.count() > 1) {
 263         // More than one item has been selected for renaming. Open
 264         // a rename dialog and rename all items afterwards.
 265         RenameDialog dialog(urls);
 266         if (dialog.exec() == QDialog::Rejected) {
 267             return;
 268         }
 269
 270         const QString& newName = dialog.newName();
 271         if (newName.isEmpty()) {
 272             view->statusBar()->setMessage(dialog.errorString(),
 273                                           DolphinStatusBar::Error);
 274         } else {
 275             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 276             // as one operation instead of n rename operations like it is done now...
 277             Q_ASSERT(newName.contains('#'));
 278
 279             // iterate through all selected items and rename them...
 280             const int replaceIndex = newName.indexOf('#');
 281             Q_ASSERT(replaceIndex >= 0);
 282             int index = 1;
 283
 284             KUrl::List::const_iterator it = urls.begin();
 285             KUrl::List::const_iterator end = urls.end();
 286             while (it != end) {
 287                 const KUrl& oldUrl = *it;
 288                 QString number;
 289                 number.setNum(index++);
 290
 291                 QString name(newName);
 292                 name.replace(replaceIndex, 1, number);
 293
 294                 if (oldUrl.fileName() != name) {
 295                     KUrl newUrl = oldUrl;
 296                     newUrl.setFileName(name);
 297                     m_mainWindow->rename(oldUrl, newUrl);
 298                 }
 299                 ++it;
 300             }
 301         }
 302     } else {
 303         // Only one item has been selected for renaming. Use the custom
 304         // renaming mechanism from the views.
 305         Q_ASSERT(urls.count() == 1);
 306
 307         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 308         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 309         // is a benefit for the user at all -> let's wait for some input first...
 310         RenameDialog dialog(urls);
 311         if (dialog.exec() == QDialog::Rejected) {
 312             return;
 313         }
 314
 315         const QString& newName = dialog.newName();
 316         if (newName.isEmpty()) {
 317             view->statusBar()->setMessage(dialog.errorString(),
 318                                           DolphinStatusBar::Error);
 319         } else {
 320             const KUrl& oldUrl = urls.first();
 321             KUrl newUrl = oldUrl;
 322             newUrl.setFileName(newName);
 323             m_mainWindow->rename(oldUrl, newUrl);
 324         }
 325     }
 326 }
 327
 328 void DolphinView::selectAll()
 329 {
 330     selectAll(QItemSelectionModel::Select);
 331 }
 332
 333 void DolphinView::invertSelection()
 334 {
 335     selectAll(QItemSelectionModel::Toggle);
 336 }
 337
 338 DolphinStatusBar* DolphinView::statusBar() const
 339 {
 340     return m_statusBar;
 341 }
 342
 343 int DolphinView::contentsX() const
 344 {
 345     return itemView()->horizontalScrollBar()->value();
 346 }
 347
 348 int DolphinView::contentsY() const
 349 {
 350     return itemView()->verticalScrollBar()->value();
 351 }
 352
 353 void DolphinView::emitRequestItemInfo(const KUrl& url)
 354 {
 355     emit requestItemInfo(url);
 356 }
 357
 358 bool DolphinView::isFilterBarVisible() const
 359 {
 360     return m_filterBar->isVisible();
 361 }
 362
 363 bool DolphinView::isUrlEditable() const
 364 {
 365     return m_urlNavigator->isUrlEditable();
 366 }
 367
 368 void DolphinView::zoomIn()
 369 {
 370     m_controller->triggerZoomIn();
 371 }
 372
 373 void DolphinView::zoomOut()
 374 {
 375     m_controller->triggerZoomOut();
 376 }
 377
 378 bool DolphinView::isZoomInPossible() const
 379 {
 380     return m_controller->isZoomInPossible();
 381 }
 382
 383 bool DolphinView::isZoomOutPossible() const
 384 {
 385     return m_controller->isZoomOutPossible();
 386 }
 387
 388 void DolphinView::setSorting(Sorting sorting)
 389 {
 390     if (sorting != this->sorting()) {
 391         updateSorting(sorting);
 392     }
 393 }
 394
 395 DolphinView::Sorting DolphinView::sorting() const
 396 {
 397     return m_proxyModel->sorting();
 398 }
 399
 400 void DolphinView::setSortOrder(Qt::SortOrder order)
 401 {
 402     if (sortOrder() != order) {
 403         updateSortOrder(order);
 404     }
 405 }
 406
 407 Qt::SortOrder DolphinView::sortOrder() const
 408 {
 409     return m_proxyModel->sortOrder();
 410 }
 411
 412 void DolphinView::setAdditionalInfo(KFileItemDelegate::AdditionalInformation info)
 413 {
 414     ViewProperties props(m_urlNavigator->url());
 415     props.setAdditionalInfo(info);
 416
 417     m_fileItemDelegate->setAdditionalInformation(info);
 418
 419     emit additionalInfoChanged(info);
 420     reload();
 421 }
 422
 423 KFileItemDelegate::AdditionalInformation DolphinView::additionalInfo() const
 424 {
 425     return m_fileItemDelegate->additionalInformation();
 426 }
 427
 428 void DolphinView::goBack()
 429 {
 430     m_urlNavigator->goBack();
 431 }
 432
 433 void DolphinView::goForward()
 434 {
 435     m_urlNavigator->goForward();
 436 }
 437
 438 void DolphinView::goUp()
 439 {
 440     m_urlNavigator->goUp();
 441 }
 442
 443 void DolphinView::goHome()
 444 {
 445     m_urlNavigator->goHome();
 446 }
 447
 448 void DolphinView::setUrlEditable(bool editable)
 449 {
 450     m_urlNavigator->setUrlEditable(editable);
 451 }
 452
 453 bool DolphinView::hasSelection() const
 454 {
 455     return itemView()->selectionModel()->hasSelection();
 456 }
 457
 458 void DolphinView::clearSelection()
 459 {
 460     itemView()->selectionModel()->clear();
 461 }
 462
 463 KFileItemList DolphinView::selectedItems() const
 464 {
 465     const QAbstractItemView* view = itemView();
 466
 467     // Our view has a selection, we will map them back to the DirModel
 468     // and then fill the KFileItemList.
 469     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 470
 471     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 472     KFileItemList itemList;
 473
 474     const QModelIndexList indexList = selection.indexes();
 475     QModelIndexList::const_iterator end = indexList.end();
 476     for (QModelIndexList::const_iterator it = indexList.begin(); it != end; ++it) {
 477         Q_ASSERT((*it).isValid());
 478
 479         KFileItem* item = m_dirModel->itemForIndex(*it);
 480         if (item != 0) {
 481             itemList.append(item);
 482         }
 483     }
 484
 485     return itemList;
 486 }
 487
 488 KUrl::List DolphinView::selectedUrls() const
 489 {
 490     KUrl::List urls;
 491
 492     const KFileItemList list = selectedItems();
 493     KFileItemList::const_iterator it = list.begin();
 494     const KFileItemList::const_iterator end = list.end();
 495     while (it != end) {
 496         KFileItem* item = *it;
 497         urls.append(item->url());
 498         ++it;
 499     }
 500
 501     return urls;
 502 }
 503
 504 KFileItem* DolphinView::fileItem(const QModelIndex index) const
 505 {
 506     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 507     return m_dirModel->itemForIndex(dirModelIndex);
 508 }
 509
 510 void DolphinView::rename(const KUrl& source, const QString& newName)
 511 {
 512     bool ok = false;
 513
 514     if (newName.isEmpty() || (source.fileName() == newName)) {
 515         return;
 516     }
 517
 518     KUrl dest(source.upUrl());
 519     dest.addPath(newName);
 520
 521     const bool destExists = KIO::NetAccess::exists(dest,
 522                             false,
 523                             mainWindow()->activeView());
 524     if (destExists) {
 525         // the destination already exists, hence ask the user
 526         // how to proceed...
 527         KIO::RenameDialog renameDialog(this,
 528                                        i18n("File Already Exists"),
 529                                        source.path(),
 530                                        dest.path(),
 531                                        KIO::M_OVERWRITE);
 532         switch (renameDialog.exec()) {
 533         case KIO::R_OVERWRITE:
 534             // the destination should be overwritten
 535             ok = KIO::NetAccess::file_move(source, dest, -1, true);
 536             break;
 537
 538         case KIO::R_RENAME: {
 539             // a new name for the destination has been used
 540             KUrl newDest(renameDialog.newDestUrl());
 541             ok = KIO::NetAccess::file_move(source, newDest);
 542             break;
 543         }
 544
 545         default:
 546             // the renaming operation has been canceled
 547             reload();
 548             return;
 549         }
 550     } else {
 551         // no destination exists, hence just move the file to
 552         // do the renaming
 553         ok = KIO::NetAccess::file_move(source, dest);
 554     }
 555
 556     const QString destFileName = dest.fileName();
 557     if (ok) {
 558         m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.", source.fileName(), destFileName),
 559                                 DolphinStatusBar::OperationCompleted);
 560
 561         KonqOperations::rename(this, source, destFileName);
 562     } else {
 563         m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.", source.fileName(), destFileName),
 564                                 DolphinStatusBar::Error);
 565         reload();
 566     }
 567 }
 568
 569 void DolphinView::reload()
 570 {
 571     startDirLister(m_urlNavigator->url(), true);
 572 }
 573
 574 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 575 {
 576     QWidget::mouseReleaseEvent(event);
 577     mainWindow()->setActiveView(this);
 578 }
 579
 580 DolphinMainWindow* DolphinView::mainWindow() const
 581 {
 582     return m_mainWindow;
 583 }
 584
 585 void DolphinView::loadDirectory(const KUrl& url)
 586 {
 587     if (!isActive()) {
 588         requestActivation();
 589     }
 590
 591     const ViewProperties props(url);
 592
 593     const Mode mode = props.viewMode();
 594     bool changeMode = (m_mode != mode);
 595     if (changeMode && isColumnViewActive()) {
 596         // The column view is active. Only change the
 597         // mode if the current URL is no child of the column view.
 598         if (m_dirLister->url().isParentOf(url)) {
 599             changeMode = false;
 600         }
 601     }
 602
 603     if (changeMode) {
 604         m_mode = mode;
 605         createView();
 606         emit modeChanged();
 607     }
 608
 609     const bool showHiddenFiles = props.showHiddenFiles();
 610     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
 611         m_dirLister->setShowingDotFiles(showHiddenFiles);
 612         emit showHiddenFilesChanged();
 613     }
 614
 615     const DolphinView::Sorting sorting = props.sorting();
 616     if (sorting != m_proxyModel->sorting()) {
 617         m_proxyModel->setSorting(sorting);
 618         emit sortingChanged(sorting);
 619     }
 620
 621     const Qt::SortOrder sortOrder = props.sortOrder();
 622     if (sortOrder != m_proxyModel->sortOrder()) {
 623         m_proxyModel->setSortOrder(sortOrder);
 624         emit sortOrderChanged(sortOrder);
 625     }
 626
 627     KFileItemDelegate::AdditionalInformation info = props.additionalInfo();
 628     if (info != m_fileItemDelegate->additionalInformation()) {
 629         m_fileItemDelegate->setAdditionalInformation(info);
 630
 631         emit additionalInfoChanged(info);
 632     }
 633
 634     const bool showPreview = props.showPreview();
 635     if (showPreview != m_controller->showPreview()) {
 636         m_controller->setShowPreview(showPreview);
 637         emit showPreviewChanged();
 638     }
 639
 640     startDirLister(url);
 641     emit urlChanged(url);
 642
 643     m_statusBar->clear();
 644 }
 645
 646 void DolphinView::triggerItem(const QModelIndex& index)
 647 {
 648     if (!isValidNameIndex(index)) {
 649         return;
 650     }
 651
 652     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 653     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 654         // items are selected by the user, hence don't trigger the
 655         // item specified by 'index'
 656         return;
 657     }
 658
 659     KFileItem* item = m_dirModel->itemForIndex(m_proxyModel->mapToSource(index));
 660     if (item == 0) {
 661         return;
 662     }
 663
 664     // Prefer the local path over the URL. This assures that the
 665     // volume space information is correct. Assuming that the URL is media:/sda1,
 666     // and the local path is /windows/C: For the URL the space info is related
 667     // to the root partition (and hence wrong) and for the local path the space
 668     // info is related to the windows partition (-> correct).
 669     const QString localPath(item->localPath());
 670     KUrl url;
 671     if (localPath.isEmpty()) {
 672         url = item->url();
 673     } else {
 674         url = localPath;
 675     }
 676
 677     if (item->isDir()) {
 678         setUrl(url);
 679     } else if (item->isFile()) {
 680         // allow to browse through ZIP and tar files
 681         KMimeType::Ptr mime = item->mimeTypePtr();
 682         if (mime->is("application/zip")) {
 683             url.setProtocol("zip");
 684             setUrl(url);
 685         } else if (mime->is("application/x-tar") ||
 686                    mime->is("application/x-tarz") ||
 687                    mime->is("application/x-bzip-compressed-tar") ||
 688                    mime->is("application/x-compressed-tar") ||
 689                    mime->is("application/x-tzo")) {
 690             url.setProtocol("tar");
 691             setUrl(url);
 692         } else {
 693             item->run();
 694         }
 695     } else {
 696         item->run();
 697     }
 698 }
 699
 700 void DolphinView::updateProgress(int percent)
 701 {
 702     if (m_showProgress) {
 703         m_statusBar->setProgress(percent);
 704     }
 705 }
 706
 707 void DolphinView::updateItemCount()
 708 {
 709     if (m_showProgress) {
 710         m_statusBar->setProgressText(QString());
 711         m_statusBar->setProgress(100);
 712         m_showProgress = false;
 713     }
 714
 715     KFileItemList items(m_dirLister->items());
 716     KFileItemList::const_iterator it = items.begin();
 717     const KFileItemList::const_iterator end = items.end();
 718
 719     m_fileCount = 0;
 720     m_folderCount = 0;
 721
 722     while (it != end) {
 723         KFileItem* item = *it;
 724         if (item->isDir()) {
 725             ++m_folderCount;
 726         } else {
 727             ++m_fileCount;
 728         }
 729         ++it;
 730     }
 731
 732     updateStatusBar();
 733
 734     m_blockContentsMovedSignal = false;
 735     QTimer::singleShot(0, this, SLOT(restoreContentsPos()));
 736 }
 737
 738 void DolphinView::generatePreviews(const KFileItemList& items)
 739 {
 740     if (m_controller->showPreview()) {
 741         KIO::PreviewJob* job = KIO::filePreview(items, 128);
 742         connect(job, SIGNAL(gotPreview(const KFileItem*, const QPixmap&)),
 743                 this, SLOT(showPreview(const KFileItem*, const QPixmap&)));
 744     }
 745 }
 746
 747 void DolphinView::showPreview(const KFileItem* item, const QPixmap& pixmap)
 748 {
 749     Q_ASSERT(item != 0);
 750     const QModelIndex idx = m_dirModel->indexForItem(*item);
 751     if (idx.isValid() && (idx.column() == 0)) {
 752         const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 753         if (KonqMimeData::decodeIsCutSelection(mimeData) && isCutItem(*item)) {
 754             KIconEffect iconEffect;
 755             const QPixmap cutPixmap = iconEffect.apply(pixmap, K3Icon::Desktop, K3Icon::DisabledState);
 756             m_dirModel->setData(idx, QIcon(cutPixmap), Qt::DecorationRole);
 757         } else {
 758             m_dirModel->setData(idx, QIcon(pixmap), Qt::DecorationRole);
 759         }
 760     }
 761 }
 762
 763 void DolphinView::restoreContentsPos()
 764 {
 765     KUrl currentUrl = m_urlNavigator->url();
 766     if (!currentUrl.isEmpty()) {
 767         QAbstractItemView* view = itemView();
 768         // TODO: view->setCurrentItem(m_urlNavigator->currentFileName());
 769         QPoint pos = m_urlNavigator->savedPosition();
 770         view->horizontalScrollBar()->setValue(pos.x());
 771         view->verticalScrollBar()->setValue(pos.y());
 772     }
 773 }
 774
 775 void DolphinView::showInfoMessage(const QString& msg)
 776 {
 777     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 778 }
 779
 780 void DolphinView::showErrorMessage(const QString& msg)
 781 {
 782     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 783 }
 784
 785 void DolphinView::emitSelectionChangedSignal()
 786 {
 787     emit selectionChanged(DolphinView::selectedItems());
 788 }
 789
 790 void DolphinView::closeFilterBar()
 791 {
 792     m_filterBar->hide();
 793     emit showFilterBarChanged(false);
 794 }
 795
 796 void DolphinView::startDirLister(const KUrl& url, bool reload)
 797 {
 798     if (!url.isValid()) {
 799         const QString location(url.pathOrUrl());
 800         if (location.isEmpty()) {
 801             m_statusBar->setMessage(i18n("The location is empty."), DolphinStatusBar::Error);
 802         } else {
 803             m_statusBar->setMessage(i18n("The location '%1' is invalid.", location),
 804                                     DolphinStatusBar::Error);
 805         }
 806         return;
 807     }
 808
 809     // Only show the directory loading progress if the status bar does
 810     // not contain another progress information. This means that
 811     // the directory loading progress information has the lowest priority.
 812     const QString progressText(m_statusBar->progressText());
 813     m_showProgress = progressText.isEmpty() ||
 814                      (progressText == i18n("Loading directory..."));
 815     if (m_showProgress) {
 816         m_statusBar->setProgressText(i18n("Loading directory..."));
 817         m_statusBar->setProgress(0);
 818     }
 819
 820     m_cutItemsCache.clear();
 821     m_blockContentsMovedSignal = true;
 822     m_dirLister->stop();
 823
 824     bool openDir = true;
 825     bool keepOldDirs = isColumnViewActive();
 826     if (keepOldDirs) {
 827         if (reload) {
 828             keepOldDirs = false;
 829
 830             const KUrl& dirListerUrl = m_dirLister->url();
 831             if (dirListerUrl.isValid()) {
 832                 const KUrl::List dirs = m_dirLister->directories();
 833                 KUrl url;
 834                 foreach(url, dirs) {
 835                     m_dirLister->updateDirectory(url);
 836                 }
 837                 openDir = false;
 838             }
 839         } else if (m_dirLister->directories().contains(url)) {
 840             // The dir lister contains the directory already, so
 841             // KDirLister::openUrl() may not been invoked twice.
 842             m_dirLister->updateDirectory(url);
 843             openDir = false;
 844         } else {
 845             const KUrl& dirListerUrl = m_dirLister->url();
 846             if ((dirListerUrl == url) || !m_dirLister->url().isParentOf(url)) {
 847                 // The current URL is not a child of the dir lister
 848                 // URL. This may happen when e. g. a bookmark has been selected
 849                 // and hence the view must be reset.
 850                 keepOldDirs = false;
 851             }
 852         }
 853     }
 854
 855     if (openDir) {
 856         m_dirLister->openUrl(url, keepOldDirs, reload);
 857     }
 858 }
 859
 860 QString DolphinView::defaultStatusBarText() const
 861 {
 862     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 863                                    m_fileCount,
 864                                    m_folderCount,
 865                                    0, false);
 866 }
 867
 868 QString DolphinView::selectionStatusBarText() const
 869 {
 870     QString text;
 871     const KFileItemList list = selectedItems();
 872     if (list.isEmpty()) {
 873         // when an item is triggered, it is temporary selected but selectedItems()
 874         // will return an empty list
 875         return QString();
 876     }
 877
 878     int fileCount = 0;
 879     int folderCount = 0;
 880     KIO::filesize_t byteSize = 0;
 881     KFileItemList::const_iterator it = list.begin();
 882     const KFileItemList::const_iterator end = list.end();
 883     while (it != end) {
 884         KFileItem* item = *it;
 885         if (item->isDir()) {
 886             ++folderCount;
 887         } else {
 888             ++fileCount;
 889             byteSize += item->size();
 890         }
 891         ++it;
 892     }
 893
 894     if (folderCount > 0) {
 895         text = i18np("1 Folder selected", "%1 Folders selected", folderCount);
 896         if (fileCount > 0) {
 897             text += ", ";
 898         }
 899     }
 900
 901     if (fileCount > 0) {
 902         const QString sizeText(KIO::convertSize(byteSize));
 903         text += i18np("1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 904     }
 905
 906     return text;
 907 }
 908
 909 void DolphinView::showFilterBar(bool show)
 910 {
 911     Q_ASSERT(m_filterBar != 0);
 912     if (show) {
 913         m_filterBar->show();
 914     } else {
 915         m_filterBar->hide();
 916     }
 917 }
 918
 919 void DolphinView::updateStatusBar()
 920 {
 921     // As the item count information is less important
 922     // in comparison with other messages, it should only
 923     // be shown if:
 924     // - the status bar is empty or
 925     // - shows already the item count information or
 926     // - shows only a not very important information
 927     // - if any progress is given don't show the item count info at all
 928     const QString msg(m_statusBar->message());
 929     const bool updateStatusBarMsg = (msg.isEmpty() ||
 930                                      (msg == m_statusBar->defaultText()) ||
 931                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 932                                     (m_statusBar->progress() == 100);
 933
 934     const QString text(hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 935     m_statusBar->setDefaultText(text);
 936
 937     if (updateStatusBarMsg) {
 938         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 939     }
 940 }
 941
 942 void DolphinView::requestActivation()
 943 {
 944     m_mainWindow->setActiveView(this);
 945 }
 946
 947 void DolphinView::changeSelection(const KFileItemList& selection)
 948 {
 949     clearSelection();
 950     if (selection.isEmpty()) {
 951         return;
 952     }
 953     KUrl baseUrl = url();
 954     KUrl url;
 955     QItemSelection new_selection;
 956     foreach(KFileItem* item, selection) {
 957         url = item->url().upUrl();
 958         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 959             QModelIndex index = m_proxyModel->mapFromSource(m_dirModel->indexForItem(*item));
 960             new_selection.select(index, index);
 961         }
 962     }
 963     itemView()->selectionModel()->select(new_selection,
 964                                          QItemSelectionModel::ClearAndSelect
 965                                          | QItemSelectionModel::Current);
 966 }
 967
 968 void DolphinView::changeNameFilter(const QString& nameFilter)
 969 {
 970     // The name filter of KDirLister does a 'hard' filtering, which
 971     // means that only the items are shown where the names match
 972     // exactly the filter. This is non-transparent for the user, which
 973     // just wants to have a 'soft' filtering: does the name contain
 974     // the filter string?
 975     QString adjustedFilter(nameFilter);
 976     adjustedFilter.insert(0, '*');
 977     adjustedFilter.append('*');
 978
 979     // Use the ProxyModel to filter:
 980     // This code is #ifdefed as setNameFilter behaves
 981     // slightly different than the QSortFilterProxyModel
 982     // as it will not remove directories. I will ask
 983     // our beloved usability experts for input
 984     // -- z.
 985 #if 0
 986     m_dirLister->setNameFilter(adjustedFilter);
 987     m_dirLister->emitChanges();
 988 #else
 989     m_proxyModel->setFilterRegExp(nameFilter);
 990 #endif
 991 }
 992
 993 void DolphinView::openContextMenu(const QPoint& pos)
 994 {
 995     KFileItem* item = 0;
 996
 997     const QModelIndex index = itemView()->indexAt(pos);
 998     if (isValidNameIndex(index)) {
 999         item = fileItem(index);
1000     }
1001
1002     DolphinContextMenu contextMenu(m_mainWindow, item, url());
1003     contextMenu.open();
1004 }
1005
1006 void DolphinView::dropUrls(const KUrl::List& urls,
1007                            const QModelIndex& index,
1008                            QWidget* source)
1009 {
1010     KFileItem* directory = 0;
1011     if (isValidNameIndex(index)) {
1012         KFileItem* item = fileItem(index);
1013         Q_ASSERT(item != 0);
1014         if (item->isDir()) {
1015             // the URLs are dropped above a directory
1016             directory = item;
1017         }
1018     }
1019
1020     if ((directory == 0) && (source == itemView())) {
1021         // The dropping is done into the same viewport where
1022         // the dragging has been started. Just ignore this...
1023         return;
1024     }
1025
1026     const KUrl& destination = (directory == 0) ? url() :
1027                               directory->url();
1028     dropUrls(urls, destination);
1029 }
1030
1031 void DolphinView::dropUrls(const KUrl::List& urls,
1032                            const KUrl& destination)
1033 {
1034     m_mainWindow->dropUrls(urls, destination);
1035 }
1036
1037 void DolphinView::updateSorting(DolphinView::Sorting sorting)
1038 {
1039     ViewProperties props(url());
1040     props.setSorting(sorting);
1041
1042     m_proxyModel->setSorting(sorting);
1043
1044     emit sortingChanged(sorting);
1045 }
1046
1047 void DolphinView::updateSortOrder(Qt::SortOrder order)
1048 {
1049     ViewProperties props(url());
1050     props.setSortOrder(order);
1051
1052     m_proxyModel->setSortOrder(order);
1053
1054     emit sortOrderChanged(order);
1055 }
1056
1057 void DolphinView::emitContentsMoved()
1058 {
1059     if (!m_blockContentsMovedSignal) {
1060         emit contentsMoved(contentsX(), contentsY());
1061     }
1062 }
1063
1064 void DolphinView::updateActivationState()
1065 {
1066     m_urlNavigator->setActive(isActive());
1067     if (isActive()) {
1068         emit urlChanged(url());
1069         emit selectionChanged(selectedItems());
1070     }
1071 }
1072
1073 void DolphinView::updateCutItems()
1074 {
1075     // restore the icons of all previously selected items to the
1076     // original state...
1077     QList<CutItem>::const_iterator it = m_cutItemsCache.begin();
1078     QList<CutItem>::const_iterator end = m_cutItemsCache.end();
1079     while (it != end) {
1080         const QModelIndex index = m_dirModel->indexForUrl((*it).url);
1081         if (index.isValid()) {
1082             m_dirModel->setData(index, QIcon((*it).pixmap), Qt::DecorationRole);
1083         }
1084         ++it;
1085     }
1086     m_cutItemsCache.clear();
1087
1088     // ... and apply an item effect to all currently cut items
1089     applyCutItemEffect();
1090 }
1091
1092 void DolphinView::createView()
1093 {
1094     // delete current view
1095     QAbstractItemView* view = itemView();
1096     if (view != 0) {
1097         m_topLayout->removeWidget(view);
1098         view->close();
1099         view->deleteLater();
1100         view = 0;
1101         m_iconsView = 0;
1102         m_detailsView = 0;
1103         m_columnView = 0;
1104         m_fileItemDelegate = 0;
1105     }
1106
1107     Q_ASSERT(m_iconsView == 0);
1108     Q_ASSERT(m_detailsView == 0);
1109     Q_ASSERT(m_columnView == 0);
1110
1111     // ... and recreate it representing the current mode
1112     switch (m_mode) {
1113     case IconsView:
1114         m_iconsView = new DolphinIconsView(this, m_controller);
1115         view = m_iconsView;
1116         break;
1117
1118     case DetailsView:
1119         m_detailsView = new DolphinDetailsView(this, m_controller);
1120         view = m_detailsView;
1121         break;
1122
1123     case ColumnView:
1124         m_columnView = new DolphinColumnView(this, m_controller);
1125         view = m_columnView;
1126         break;
1127     }
1128
1129     Q_ASSERT(view != 0);
1130
1131     m_fileItemDelegate = new KFileItemDelegate(view);
1132     view->setItemDelegate(m_fileItemDelegate);
1133
1134     view->setModel(m_proxyModel);
1135     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1136
1137     new KMimeTypeResolver(view, m_dirModel);
1138     m_topLayout->insertWidget(1, view);
1139
1140     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1141             m_controller, SLOT(indicateSelectionChange()));
1142     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1143             this, SLOT(emitContentsMoved()));
1144     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1145             this, SLOT(emitContentsMoved()));
1146 }
1147
1148 void DolphinView::selectAll(QItemSelectionModel::SelectionFlags flags)
1149 {
1150     QItemSelectionModel* selectionModel = itemView()->selectionModel();
1151     const QAbstractItemModel* itemModel = selectionModel->model();
1152
1153     const QModelIndex topLeft = itemModel->index(0, 0);
1154     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
1155                                     itemModel->columnCount() - 1);
1156
1157     QItemSelection selection(topLeft, bottomRight);
1158     selectionModel->select(selection, flags);
1159 }
1160
1161 QAbstractItemView* DolphinView::itemView() const
1162 {
1163     if (m_detailsView != 0) {
1164         return m_detailsView;
1165     } else if (m_columnView != 0) {
1166         return m_columnView;
1167     }
1168
1169     return m_iconsView;
1170 }
1171
1172 bool DolphinView::isValidNameIndex(const QModelIndex& index) const
1173 {
1174     return index.isValid() && (index.column() == KDirModel::Name);
1175 }
1176
1177 bool DolphinView::isCutItem(const KFileItem& item) const
1178 {
1179     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1180     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1181
1182     const KUrl& itemUrl = item.url();
1183     KUrl::List::const_iterator it = cutUrls.begin();
1184     const KUrl::List::const_iterator end = cutUrls.end();
1185     while (it != end) {
1186         if (*it == itemUrl) {
1187             return true;
1188         }
1189         ++it;
1190     }
1191
1192     return false;
1193 }
1194
1195 void DolphinView::applyCutItemEffect()
1196 {
1197     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1198     if (!KonqMimeData::decodeIsCutSelection(mimeData)) {
1199         return;
1200     }
1201
1202     KFileItemList items(m_dirLister->items());
1203     KFileItemList::const_iterator it = items.begin();
1204     const KFileItemList::const_iterator end = items.end();
1205     while (it != end) {
1206         KFileItem* item = *it;
1207         if (isCutItem(*item)) {
1208             const QModelIndex index = m_dirModel->indexForItem(*item);
1209             const KFileItem* item = m_dirModel->itemForIndex(index);
1210             const QVariant value = m_dirModel->data(index, Qt::DecorationRole);
1211             if ((value.type() == QVariant::Icon) && (item != 0)) {
1212                 const QIcon icon(qvariant_cast<QIcon>(value));
1213                 QPixmap pixmap = icon.pixmap(128, 128);
1214
1215                 // remember current pixmap for the item to be able
1216                 // to restore it when other items get cut
1217                 CutItem cutItem;
1218                 cutItem.url = item->url();
1219                 cutItem.pixmap = pixmap;
1220                 m_cutItemsCache.append(cutItem);
1221
1222                 // apply icon effect to the cut item
1223                 KIconEffect iconEffect;
1224                 pixmap = iconEffect.apply(pixmap, K3Icon::Desktop, K3Icon::DisabledState);
1225                 m_dirModel->setData(index, QIcon(pixmap), Qt::DecorationRole);
1226             }
1227         }
1228         ++it;
1229     }
1230 }
1231
1232 #include "dolphinview.moc"