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 "dolphinitemcategorizer.h"
  55 #include "filterbar.h"
  56 #include "renamedialog.h"
  57 #include "kurlnavigator.h"
  58 #include "viewproperties.h"
  59 #include "dolphinsettings.h"
  60 #include "dolphin_generalsettings.h"
  61
  62 DolphinView::DolphinView(DolphinMainWindow* mainWindow,
  63                          QWidget* parent,
  64                          const KUrl& url,
  65                          Mode mode,
  66                          bool showHiddenFiles) :
  67         QWidget(parent),
  68         m_showProgress(false),
  69         m_blockContentsMovedSignal(false),
  70         m_mode(mode),
  71         m_iconSize(0),
  72         m_folderCount(0),
  73         m_fileCount(0),
  74         m_mainWindow(mainWindow),
  75         m_topLayout(0),
  76         m_urlNavigator(0),
  77         m_controller(0),
  78         m_iconsView(0),
  79         m_detailsView(0),
  80         m_columnView(0),
  81         m_fileItemDelegate(0),
  82         m_filterBar(0),
  83         m_statusBar(0),
  84         m_dirModel(0),
  85         m_dirLister(0),
  86         m_proxyModel(0)
  87 {
  88     hide();
  89     setFocusPolicy(Qt::StrongFocus);
  90     m_topLayout = new QVBoxLayout(this);
  91     m_topLayout->setSpacing(0);
  92     m_topLayout->setMargin(0);
  93
  94     connect(m_mainWindow, SIGNAL(activeViewChanged()),
  95             this, SLOT(updateActivationState()));
  96
  97     QClipboard* clipboard = QApplication::clipboard();
  98     connect(clipboard, SIGNAL(dataChanged()),
  99             this, SLOT(updateCutItems()));
 100
 101     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
 102     m_urlNavigator->setUrlEditable(DolphinSettings::instance().generalSettings()->editableUrl());
 103     m_urlNavigator->setHomeUrl(DolphinSettings::instance().generalSettings()->homeUrl());
 104     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 105             this, SLOT(changeDirectory(const KUrl&)));
 106     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 107             this, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 108     connect(m_urlNavigator, SIGNAL(activated()),
 109             this, SLOT(requestActivation()));
 110     connect(this, SIGNAL(contentsMoved(int, int)),
 111             m_urlNavigator, SLOT(savePosition(int, int)));
 112
 113     m_statusBar = new DolphinStatusBar(this);
 114
 115     m_dirLister = new DolphinDirLister();
 116     m_dirLister->setAutoUpdate(true);
 117     m_dirLister->setMainWindow(this);
 118     m_dirLister->setShowingDotFiles(showHiddenFiles);
 119     m_dirLister->setDelayedMimeTypes(true);
 120
 121     connect(m_dirLister, SIGNAL(clear()),
 122             this, SLOT(updateStatusBar()));
 123     connect(m_dirLister, SIGNAL(percent(int)),
 124             this, SLOT(updateProgress(int)));
 125     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 126             this, SLOT(updateStatusBar()));
 127     connect(m_dirLister, SIGNAL(completed()),
 128             this, SLOT(updateItemCount()));
 129     connect(m_dirLister, SIGNAL(completed()),
 130             this, SLOT(updateCutItems()));
 131     connect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
 132             this, SLOT(generatePreviews(const KFileItemList&)));
 133     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 134             this, SLOT(showInfoMessage(const QString&)));
 135     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 136             this, SLOT(showErrorMessage(const QString&)));
 137
 138     m_dirModel = new KDirModel();
 139     m_dirModel->setDirLister(m_dirLister);
 140     m_dirModel->setDropsAllowed(KDirModel::DropOnDirectory);
 141
 142     m_proxyModel = new DolphinSortFilterProxyModel(this);
 143     m_proxyModel->setSourceModel(m_dirModel);
 144
 145     m_controller = new DolphinController(this);
 146     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 147             this, SLOT(openContextMenu(const QPoint&)));
 148     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const QModelIndex&, QWidget*)),
 149             this, SLOT(dropUrls(const KUrl::List&, const QModelIndex&, QWidget*)));
 150     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 151             this, SLOT(updateSorting(DolphinView::Sorting)));
 152     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 153             this, SLOT(updateSortOrder(Qt::SortOrder)));
 154     connect(m_controller, SIGNAL(itemTriggered(const QModelIndex&)),
 155             this, SLOT(triggerItem(const QModelIndex&)));
 156     connect(m_controller, SIGNAL(selectionChanged()),
 157             this, SLOT(emitSelectionChangedSignal()));
 158     connect(m_controller, SIGNAL(activated()),
 159             this, SLOT(requestActivation()));
 160
 161     createView();
 162
 163     m_iconSize = K3Icon::SizeMedium;
 164
 165     m_filterBar = new FilterBar(this);
 166     m_filterBar->hide();
 167     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 168             this, SLOT(changeNameFilter(const QString&)));
 169     connect(m_filterBar, SIGNAL(closeRequest()),
 170             this, SLOT(closeFilterBar()));
 171
 172     m_topLayout->addWidget(m_urlNavigator);
 173     m_topLayout->addWidget(itemView());
 174     m_topLayout->addWidget(m_filterBar);
 175     m_topLayout->addWidget(m_statusBar);
 176 }
 177
 178 DolphinView::~DolphinView()
 179 {
 180     delete m_dirLister;
 181     m_dirLister = 0;
 182 }
 183
 184 void DolphinView::setUrl(const KUrl& url)
 185 {
 186     m_urlNavigator->setUrl(url);
 187     m_controller->setUrl(url);
 188 }
 189
 190 const KUrl& DolphinView::url() const
 191 {
 192     return m_urlNavigator->url();
 193 }
 194
 195 bool DolphinView::isActive() const
 196 {
 197     return m_mainWindow->activeView() == this;
 198 }
 199
 200 void DolphinView::setMode(Mode mode)
 201 {
 202     if (mode == m_mode) {
 203         return; // the wished mode is already set
 204     }
 205
 206     m_mode = mode;
 207
 208     ViewProperties props(m_urlNavigator->url());
 209     props.setViewMode(m_mode);
 210
 211     createView();
 212     startDirLister(m_urlNavigator->url());
 213
 214     emit modeChanged();
 215 }
 216
 217 DolphinView::Mode DolphinView::mode() const
 218 {
 219     return m_mode;
 220 }
 221
 222 void DolphinView::setShowPreview(bool show)
 223 {
 224     ViewProperties props(m_urlNavigator->url());
 225     props.setShowPreview(show);
 226
 227     m_controller->setShowPreview(show);
 228
 229     emit showPreviewChanged();
 230     reload();
 231 }
 232
 233 bool DolphinView::showPreview() const
 234 {
 235     return m_controller->showPreview();
 236 }
 237
 238 void DolphinView::setShowHiddenFiles(bool show)
 239 {
 240     if (m_dirLister->showingDotFiles() == show) {
 241         return;
 242     }
 243
 244     ViewProperties props(m_urlNavigator->url());
 245     props.setShowHiddenFiles(show);
 246     props.save();
 247
 248     m_dirLister->setShowingDotFiles(show);
 249     emit showHiddenFilesChanged();
 250
 251     reload();
 252 }
 253
 254 bool DolphinView::showHiddenFiles() const
 255 {
 256     return m_dirLister->showingDotFiles();
 257 }
 258
 259 void DolphinView::setCategorizedSorting(bool categorized)
 260 {
 261     if (!supportsCategorizedSorting() || (categorized == categorizedSorting())) {
 262         return;
 263     }
 264
 265     Q_ASSERT(m_iconsView != 0);
 266     if (categorized) {
 267         Q_ASSERT(m_iconsView->itemCategorizer() == 0);
 268         m_iconsView->setItemCategorizer(new DolphinItemCategorizer());
 269     } else {
 270         KItemCategorizer* categorizer = m_iconsView->itemCategorizer();
 271         m_iconsView->setItemCategorizer(0);
 272         delete categorizer;
 273     }
 274
 275     ViewProperties props(m_urlNavigator->url());
 276     props.setCategorizedSorting(categorized);
 277     props.save();
 278
 279     emit categorizedSortingChanged();
 280 }
 281
 282 bool DolphinView::categorizedSorting() const
 283 {
 284     if (!supportsCategorizedSorting()) {
 285         return false;
 286     }
 287
 288     Q_ASSERT(m_iconsView != 0);
 289     return m_iconsView->itemCategorizer() != 0;
 290 }
 291
 292 bool DolphinView::supportsCategorizedSorting() const
 293 {
 294     return m_iconsView != 0;
 295 }
 296
 297 void DolphinView::renameSelectedItems()
 298 {
 299     DolphinView* view = mainWindow()->activeView();
 300     const KUrl::List urls = selectedUrls();
 301     if (urls.count() > 1) {
 302         // More than one item has been selected for renaming. Open
 303         // a rename dialog and rename all items afterwards.
 304         RenameDialog dialog(urls);
 305         if (dialog.exec() == QDialog::Rejected) {
 306             return;
 307         }
 308
 309         const QString& newName = dialog.newName();
 310         if (newName.isEmpty()) {
 311             view->statusBar()->setMessage(dialog.errorString(),
 312                                           DolphinStatusBar::Error);
 313         } else {
 314             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 315             // as one operation instead of n rename operations like it is done now...
 316             Q_ASSERT(newName.contains('#'));
 317
 318             // iterate through all selected items and rename them...
 319             const int replaceIndex = newName.indexOf('#');
 320             Q_ASSERT(replaceIndex >= 0);
 321             int index = 1;
 322
 323             KUrl::List::const_iterator it = urls.begin();
 324             KUrl::List::const_iterator end = urls.end();
 325             while (it != end) {
 326                 const KUrl& oldUrl = *it;
 327                 QString number;
 328                 number.setNum(index++);
 329
 330                 QString name(newName);
 331                 name.replace(replaceIndex, 1, number);
 332
 333                 if (oldUrl.fileName() != name) {
 334                     KUrl newUrl = oldUrl;
 335                     newUrl.setFileName(name);
 336                     m_mainWindow->rename(oldUrl, newUrl);
 337                 }
 338                 ++it;
 339             }
 340         }
 341     } else {
 342         // Only one item has been selected for renaming. Use the custom
 343         // renaming mechanism from the views.
 344         Q_ASSERT(urls.count() == 1);
 345
 346         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 347         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 348         // is a benefit for the user at all -> let's wait for some input first...
 349         RenameDialog dialog(urls);
 350         if (dialog.exec() == QDialog::Rejected) {
 351             return;
 352         }
 353
 354         const QString& newName = dialog.newName();
 355         if (newName.isEmpty()) {
 356             view->statusBar()->setMessage(dialog.errorString(),
 357                                           DolphinStatusBar::Error);
 358         } else {
 359             const KUrl& oldUrl = urls.first();
 360             KUrl newUrl = oldUrl;
 361             newUrl.setFileName(newName);
 362             m_mainWindow->rename(oldUrl, newUrl);
 363         }
 364     }
 365 }
 366
 367 void DolphinView::selectAll()
 368 {
 369     selectAll(QItemSelectionModel::Select);
 370 }
 371
 372 void DolphinView::invertSelection()
 373 {
 374     selectAll(QItemSelectionModel::Toggle);
 375 }
 376
 377 DolphinStatusBar* DolphinView::statusBar() const
 378 {
 379     return m_statusBar;
 380 }
 381
 382 int DolphinView::contentsX() const
 383 {
 384     return itemView()->horizontalScrollBar()->value();
 385 }
 386
 387 int DolphinView::contentsY() const
 388 {
 389     return itemView()->verticalScrollBar()->value();
 390 }
 391
 392 void DolphinView::emitRequestItemInfo(const KUrl& url)
 393 {
 394     emit requestItemInfo(url);
 395 }
 396
 397 bool DolphinView::isFilterBarVisible() const
 398 {
 399     return m_filterBar->isVisible();
 400 }
 401
 402 bool DolphinView::isUrlEditable() const
 403 {
 404     return m_urlNavigator->isUrlEditable();
 405 }
 406
 407 void DolphinView::zoomIn()
 408 {
 409     m_controller->triggerZoomIn();
 410 }
 411
 412 void DolphinView::zoomOut()
 413 {
 414     m_controller->triggerZoomOut();
 415 }
 416
 417 bool DolphinView::isZoomInPossible() const
 418 {
 419     return m_controller->isZoomInPossible();
 420 }
 421
 422 bool DolphinView::isZoomOutPossible() const
 423 {
 424     return m_controller->isZoomOutPossible();
 425 }
 426
 427 void DolphinView::setSorting(Sorting sorting)
 428 {
 429     if (sorting != this->sorting()) {
 430         updateSorting(sorting);
 431     }
 432 }
 433
 434 DolphinView::Sorting DolphinView::sorting() const
 435 {
 436     return m_proxyModel->sorting();
 437 }
 438
 439 void DolphinView::setSortOrder(Qt::SortOrder order)
 440 {
 441     if (sortOrder() != order) {
 442         updateSortOrder(order);
 443     }
 444 }
 445
 446 Qt::SortOrder DolphinView::sortOrder() const
 447 {
 448     return m_proxyModel->sortOrder();
 449 }
 450
 451 void DolphinView::setAdditionalInfo(KFileItemDelegate::AdditionalInformation info)
 452 {
 453     ViewProperties props(m_urlNavigator->url());
 454     props.setAdditionalInfo(info);
 455
 456     m_fileItemDelegate->setAdditionalInformation(info);
 457
 458     emit additionalInfoChanged(info);
 459     reload();
 460 }
 461
 462 KFileItemDelegate::AdditionalInformation DolphinView::additionalInfo() const
 463 {
 464     return m_fileItemDelegate->additionalInformation();
 465 }
 466
 467 void DolphinView::goBack()
 468 {
 469     m_urlNavigator->goBack();
 470 }
 471
 472 void DolphinView::goForward()
 473 {
 474     m_urlNavigator->goForward();
 475 }
 476
 477 void DolphinView::goUp()
 478 {
 479     m_urlNavigator->goUp();
 480 }
 481
 482 void DolphinView::goHome()
 483 {
 484     m_urlNavigator->goHome();
 485 }
 486
 487 void DolphinView::setUrlEditable(bool editable)
 488 {
 489     m_urlNavigator->setUrlEditable(editable);
 490 }
 491
 492 bool DolphinView::hasSelection() const
 493 {
 494     return itemView()->selectionModel()->hasSelection();
 495 }
 496
 497 void DolphinView::clearSelection()
 498 {
 499     itemView()->selectionModel()->clear();
 500 }
 501
 502 KFileItemList DolphinView::selectedItems() const
 503 {
 504     const QAbstractItemView* view = itemView();
 505
 506     // Our view has a selection, we will map them back to the DirModel
 507     // and then fill the KFileItemList.
 508     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 509
 510     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 511     KFileItemList itemList;
 512
 513     const QModelIndexList indexList = selection.indexes();
 514     QModelIndexList::const_iterator end = indexList.end();
 515     for (QModelIndexList::const_iterator it = indexList.begin(); it != end; ++it) {
 516         Q_ASSERT((*it).isValid());
 517
 518         KFileItem* item = m_dirModel->itemForIndex(*it);
 519         if (item != 0) {
 520             itemList.append(item);
 521         }
 522     }
 523
 524     return itemList;
 525 }
 526
 527 KUrl::List DolphinView::selectedUrls() const
 528 {
 529     KUrl::List urls;
 530
 531     const KFileItemList list = selectedItems();
 532     KFileItemList::const_iterator it = list.begin();
 533     const KFileItemList::const_iterator end = list.end();
 534     while (it != end) {
 535         KFileItem* item = *it;
 536         urls.append(item->url());
 537         ++it;
 538     }
 539
 540     return urls;
 541 }
 542
 543 KFileItem* DolphinView::fileItem(const QModelIndex index) const
 544 {
 545     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 546     return m_dirModel->itemForIndex(dirModelIndex);
 547 }
 548
 549 void DolphinView::rename(const KUrl& source, const QString& newName)
 550 {
 551     bool ok = false;
 552
 553     if (newName.isEmpty() || (source.fileName() == newName)) {
 554         return;
 555     }
 556
 557     KUrl dest(source.upUrl());
 558     dest.addPath(newName);
 559
 560     const bool destExists = KIO::NetAccess::exists(dest,
 561                             false,
 562                             mainWindow()->activeView());
 563     if (destExists) {
 564         // the destination already exists, hence ask the user
 565         // how to proceed...
 566         KIO::RenameDialog renameDialog(this,
 567                                        i18n("File Already Exists"),
 568                                        source.path(),
 569                                        dest.path(),
 570                                        KIO::M_OVERWRITE);
 571         switch (renameDialog.exec()) {
 572         case KIO::R_OVERWRITE:
 573             // the destination should be overwritten
 574             ok = KIO::NetAccess::file_move(source, dest, -1, true);
 575             break;
 576
 577         case KIO::R_RENAME: {
 578             // a new name for the destination has been used
 579             KUrl newDest(renameDialog.newDestUrl());
 580             ok = KIO::NetAccess::file_move(source, newDest);
 581             break;
 582         }
 583
 584         default:
 585             // the renaming operation has been canceled
 586             reload();
 587             return;
 588         }
 589     } else {
 590         // no destination exists, hence just move the file to
 591         // do the renaming
 592         ok = KIO::NetAccess::file_move(source, dest);
 593     }
 594
 595     const QString destFileName = dest.fileName();
 596     if (ok) {
 597         m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.", source.fileName(), destFileName),
 598                                 DolphinStatusBar::OperationCompleted);
 599
 600         KonqOperations::rename(this, source, destFileName);
 601     } else {
 602         m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.", source.fileName(), destFileName),
 603                                 DolphinStatusBar::Error);
 604         reload();
 605     }
 606 }
 607
 608 void DolphinView::reload()
 609 {
 610     const KUrl& url = m_urlNavigator->url();
 611     changeDirectory(url);
 612     startDirLister(url, true);
 613 }
 614
 615 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 616 {
 617     QWidget::mouseReleaseEvent(event);
 618     mainWindow()->setActiveView(this);
 619 }
 620
 621 DolphinMainWindow* DolphinView::mainWindow() const
 622 {
 623     return m_mainWindow;
 624 }
 625
 626 void DolphinView::changeDirectory(const KUrl& url)
 627 {
 628     if (!isActive()) {
 629         requestActivation();
 630     }
 631
 632     const ViewProperties props(url);
 633
 634     const Mode mode = props.viewMode();
 635     bool changeMode = (m_mode != mode);
 636     if (changeMode && isColumnViewActive()) {
 637         // The column view is active. Only change the
 638         // mode if the current URL is no child of the column view.
 639         if (m_dirLister->url().isParentOf(url)) {
 640             changeMode = false;
 641         }
 642     }
 643
 644     if (changeMode) {
 645         m_mode = mode;
 646         createView();
 647         emit modeChanged();
 648     }
 649
 650     const bool showHiddenFiles = props.showHiddenFiles();
 651     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
 652         m_dirLister->setShowingDotFiles(showHiddenFiles);
 653         emit showHiddenFilesChanged();
 654     }
 655
 656     const bool categorized = props.categorizedSorting();
 657     if (categorized != categorizedSorting()) {
 658         if (supportsCategorizedSorting()) {
 659             Q_ASSERT(m_iconsView != 0);
 660             if (categorized) {
 661                 Q_ASSERT(m_iconsView->itemCategorizer() == 0);
 662                 m_iconsView->setItemCategorizer(new DolphinItemCategorizer());
 663             } else {
 664                 KItemCategorizer* categorizer = m_iconsView->itemCategorizer();
 665                 m_iconsView->setItemCategorizer(0);
 666                 delete categorizer;
 667             }
 668         }
 669         emit categorizedSortingChanged();
 670     }
 671
 672     const DolphinView::Sorting sorting = props.sorting();
 673     if (sorting != m_proxyModel->sorting()) {
 674         m_proxyModel->setSorting(sorting);
 675         emit sortingChanged(sorting);
 676     }
 677
 678     const Qt::SortOrder sortOrder = props.sortOrder();
 679     if (sortOrder != m_proxyModel->sortOrder()) {
 680         m_proxyModel->setSortOrder(sortOrder);
 681         emit sortOrderChanged(sortOrder);
 682     }
 683
 684     KFileItemDelegate::AdditionalInformation info = props.additionalInfo();
 685     if (info != m_fileItemDelegate->additionalInformation()) {
 686         m_fileItemDelegate->setAdditionalInformation(info);
 687
 688         emit additionalInfoChanged(info);
 689     }
 690
 691     const bool showPreview = props.showPreview();
 692     if (showPreview != m_controller->showPreview()) {
 693         m_controller->setShowPreview(showPreview);
 694         emit showPreviewChanged();
 695     }
 696
 697     startDirLister(url);
 698     emit urlChanged(url);
 699
 700     m_statusBar->clear();
 701 }
 702
 703 void DolphinView::triggerItem(const QModelIndex& index)
 704 {
 705     if (!isValidNameIndex(index)) {
 706         return;
 707     }
 708
 709     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 710     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 711         // items are selected by the user, hence don't trigger the
 712         // item specified by 'index'
 713         return;
 714     }
 715
 716     KFileItem* item = m_dirModel->itemForIndex(m_proxyModel->mapToSource(index));
 717     if (item == 0) {
 718         return;
 719     }
 720
 721     // Prefer the local path over the URL. This assures that the
 722     // volume space information is correct. Assuming that the URL is media:/sda1,
 723     // and the local path is /windows/C: For the URL the space info is related
 724     // to the root partition (and hence wrong) and for the local path the space
 725     // info is related to the windows partition (-> correct).
 726     const QString localPath(item->localPath());
 727     KUrl url;
 728     if (localPath.isEmpty()) {
 729         url = item->url();
 730     } else {
 731         url = localPath;
 732     }
 733
 734     if (item->isDir()) {
 735         setUrl(url);
 736     } else if (item->isFile()) {
 737         // allow to browse through ZIP and tar files
 738         KMimeType::Ptr mime = item->mimeTypePtr();
 739         if (mime->is("application/zip")) {
 740             url.setProtocol("zip");
 741             setUrl(url);
 742         } else if (mime->is("application/x-tar") ||
 743                    mime->is("application/x-tarz") ||
 744                    mime->is("application/x-bzip-compressed-tar") ||
 745                    mime->is("application/x-compressed-tar") ||
 746                    mime->is("application/x-tzo")) {
 747             url.setProtocol("tar");
 748             setUrl(url);
 749         } else {
 750             item->run();
 751         }
 752     } else {
 753         item->run();
 754     }
 755 }
 756
 757 void DolphinView::updateProgress(int percent)
 758 {
 759     if (m_showProgress) {
 760         m_statusBar->setProgress(percent);
 761     }
 762 }
 763
 764 void DolphinView::updateItemCount()
 765 {
 766     if (m_showProgress) {
 767         m_statusBar->setProgressText(QString());
 768         m_statusBar->setProgress(100);
 769         m_showProgress = false;
 770     }
 771
 772     KFileItemList items(m_dirLister->items());
 773     KFileItemList::const_iterator it = items.begin();
 774     const KFileItemList::const_iterator end = items.end();
 775
 776     m_fileCount = 0;
 777     m_folderCount = 0;
 778
 779     while (it != end) {
 780         KFileItem* item = *it;
 781         if (item->isDir()) {
 782             ++m_folderCount;
 783         } else {
 784             ++m_fileCount;
 785         }
 786         ++it;
 787     }
 788
 789     updateStatusBar();
 790
 791     m_blockContentsMovedSignal = false;
 792     QTimer::singleShot(0, this, SLOT(restoreContentsPos()));
 793 }
 794
 795 void DolphinView::generatePreviews(const KFileItemList& items)
 796 {
 797     if (m_controller->showPreview()) {
 798         KIO::PreviewJob* job = KIO::filePreview(items, 128);
 799         connect(job, SIGNAL(gotPreview(const KFileItem*, const QPixmap&)),
 800                 this, SLOT(showPreview(const KFileItem*, const QPixmap&)));
 801     }
 802 }
 803
 804 void DolphinView::showPreview(const KFileItem* item, const QPixmap& pixmap)
 805 {
 806     Q_ASSERT(item != 0);
 807     const QModelIndex idx = m_dirModel->indexForItem(*item);
 808     if (idx.isValid() && (idx.column() == 0)) {
 809         const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 810         if (KonqMimeData::decodeIsCutSelection(mimeData) && isCutItem(*item)) {
 811             KIconEffect iconEffect;
 812             const QPixmap cutPixmap = iconEffect.apply(pixmap, K3Icon::Desktop, K3Icon::DisabledState);
 813             m_dirModel->setData(idx, QIcon(cutPixmap), Qt::DecorationRole);
 814         } else {
 815             m_dirModel->setData(idx, QIcon(pixmap), Qt::DecorationRole);
 816         }
 817     }
 818 }
 819
 820 void DolphinView::restoreContentsPos()
 821 {
 822     KUrl currentUrl = m_urlNavigator->url();
 823     if (!currentUrl.isEmpty()) {
 824         QAbstractItemView* view = itemView();
 825         // TODO: view->setCurrentItem(m_urlNavigator->currentFileName());
 826         QPoint pos = m_urlNavigator->savedPosition();
 827         view->horizontalScrollBar()->setValue(pos.x());
 828         view->verticalScrollBar()->setValue(pos.y());
 829     }
 830 }
 831
 832 void DolphinView::showInfoMessage(const QString& msg)
 833 {
 834     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 835 }
 836
 837 void DolphinView::showErrorMessage(const QString& msg)
 838 {
 839     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 840 }
 841
 842 void DolphinView::emitSelectionChangedSignal()
 843 {
 844     emit selectionChanged(DolphinView::selectedItems());
 845 }
 846
 847 void DolphinView::closeFilterBar()
 848 {
 849     m_filterBar->hide();
 850     emit showFilterBarChanged(false);
 851 }
 852
 853 void DolphinView::startDirLister(const KUrl& url, bool reload)
 854 {
 855     if (!url.isValid()) {
 856         const QString location(url.pathOrUrl());
 857         if (location.isEmpty()) {
 858             m_statusBar->setMessage(i18n("The location is empty."), DolphinStatusBar::Error);
 859         } else {
 860             m_statusBar->setMessage(i18n("The location '%1' is invalid.", location),
 861                                     DolphinStatusBar::Error);
 862         }
 863         return;
 864     }
 865
 866     // Only show the directory loading progress if the status bar does
 867     // not contain another progress information. This means that
 868     // the directory loading progress information has the lowest priority.
 869     const QString progressText(m_statusBar->progressText());
 870     m_showProgress = progressText.isEmpty() ||
 871                      (progressText == i18n("Loading folder..."));
 872     if (m_showProgress) {
 873         m_statusBar->setProgressText(i18n("Loading folder..."));
 874         m_statusBar->setProgress(0);
 875     }
 876
 877     m_cutItemsCache.clear();
 878     m_blockContentsMovedSignal = true;
 879     m_dirLister->stop();
 880
 881     bool openDir = true;
 882     bool keepOldDirs = isColumnViewActive();
 883     if (keepOldDirs) {
 884         if (reload) {
 885             keepOldDirs = false;
 886
 887             const KUrl& dirListerUrl = m_dirLister->url();
 888             if (dirListerUrl.isValid()) {
 889                 const KUrl::List dirs = m_dirLister->directories();
 890                 KUrl url;
 891                 foreach(url, dirs) {
 892                     m_dirLister->updateDirectory(url);
 893                 }
 894                 openDir = false;
 895             }
 896         } else if (m_dirLister->directories().contains(url)) {
 897             // The dir lister contains the directory already, so
 898             // KDirLister::openUrl() may not been invoked twice.
 899             m_dirLister->updateDirectory(url);
 900             openDir = false;
 901         } else {
 902             const KUrl& dirListerUrl = m_dirLister->url();
 903             if ((dirListerUrl == url) || !m_dirLister->url().isParentOf(url)) {
 904                 // The current URL is not a child of the dir lister
 905                 // URL. This may happen when e. g. a bookmark has been selected
 906                 // and hence the view must be reset.
 907                 keepOldDirs = false;
 908             }
 909         }
 910     }
 911
 912     if (openDir) {
 913         m_dirLister->openUrl(url, keepOldDirs, reload);
 914     }
 915 }
 916
 917 QString DolphinView::defaultStatusBarText() const
 918 {
 919     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 920                                    m_fileCount,
 921                                    m_folderCount,
 922                                    0, false);
 923 }
 924
 925 QString DolphinView::selectionStatusBarText() const
 926 {
 927     QString text;
 928     const KFileItemList list = selectedItems();
 929     if (list.isEmpty()) {
 930         // when an item is triggered, it is temporary selected but selectedItems()
 931         // will return an empty list
 932         return QString();
 933     }
 934
 935     int fileCount = 0;
 936     int folderCount = 0;
 937     KIO::filesize_t byteSize = 0;
 938     KFileItemList::const_iterator it = list.begin();
 939     const KFileItemList::const_iterator end = list.end();
 940     while (it != end) {
 941         KFileItem* item = *it;
 942         if (item->isDir()) {
 943             ++folderCount;
 944         } else {
 945             ++fileCount;
 946             byteSize += item->size();
 947         }
 948         ++it;
 949     }
 950
 951     if (folderCount > 0) {
 952         text = i18np("1 Folder selected", "%1 Folders selected", folderCount);
 953         if (fileCount > 0) {
 954             text += ", ";
 955         }
 956     }
 957
 958     if (fileCount > 0) {
 959         const QString sizeText(KIO::convertSize(byteSize));
 960         text += i18np("1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 961     }
 962
 963     return text;
 964 }
 965
 966 void DolphinView::showFilterBar(bool show)
 967 {
 968     Q_ASSERT(m_filterBar != 0);
 969     if (show) {
 970         m_filterBar->show();
 971     } else {
 972         m_filterBar->hide();
 973     }
 974 }
 975
 976 void DolphinView::updateStatusBar()
 977 {
 978     // As the item count information is less important
 979     // in comparison with other messages, it should only
 980     // be shown if:
 981     // - the status bar is empty or
 982     // - shows already the item count information or
 983     // - shows only a not very important information
 984     // - if any progress is given don't show the item count info at all
 985     const QString msg(m_statusBar->message());
 986     const bool updateStatusBarMsg = (msg.isEmpty() ||
 987                                      (msg == m_statusBar->defaultText()) ||
 988                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 989                                     (m_statusBar->progress() == 100);
 990
 991     const QString text(hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 992     m_statusBar->setDefaultText(text);
 993
 994     if (updateStatusBarMsg) {
 995         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 996     }
 997 }
 998
 999 void DolphinView::requestActivation()
1000 {
1001     m_mainWindow->setActiveView(this);
1002 }
1003
1004 void DolphinView::changeSelection(const KFileItemList& selection)
1005 {
1006     clearSelection();
1007     if (selection.isEmpty()) {
1008         return;
1009     }
1010     KUrl baseUrl = url();
1011     KUrl url;
1012     QItemSelection new_selection;
1013     foreach(KFileItem* item, selection) {
1014         url = item->url().upUrl();
1015         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
1016             QModelIndex index = m_proxyModel->mapFromSource(m_dirModel->indexForItem(*item));
1017             new_selection.select(index, index);
1018         }
1019     }
1020     itemView()->selectionModel()->select(new_selection,
1021                                          QItemSelectionModel::ClearAndSelect
1022                                          | QItemSelectionModel::Current);
1023 }
1024
1025 void DolphinView::changeNameFilter(const QString& nameFilter)
1026 {
1027     // The name filter of KDirLister does a 'hard' filtering, which
1028     // means that only the items are shown where the names match
1029     // exactly the filter. This is non-transparent for the user, which
1030     // just wants to have a 'soft' filtering: does the name contain
1031     // the filter string?
1032     QString adjustedFilter(nameFilter);
1033     adjustedFilter.insert(0, '*');
1034     adjustedFilter.append('*');
1035
1036     // Use the ProxyModel to filter:
1037     // This code is #ifdefed as setNameFilter behaves
1038     // slightly different than the QSortFilterProxyModel
1039     // as it will not remove directories. I will ask
1040     // our beloved usability experts for input
1041     // -- z.
1042 #if 0
1043     m_dirLister->setNameFilter(adjustedFilter);
1044     m_dirLister->emitChanges();
1045 #else
1046     m_proxyModel->setFilterRegExp(nameFilter);
1047 #endif
1048 }
1049
1050 void DolphinView::openContextMenu(const QPoint& pos)
1051 {
1052     KFileItem* item = 0;
1053
1054     const QModelIndex index = itemView()->indexAt(pos);
1055     if (isValidNameIndex(index)) {
1056         item = fileItem(index);
1057     }
1058
1059     DolphinContextMenu contextMenu(m_mainWindow, item, url());
1060     contextMenu.open();
1061 }
1062
1063 void DolphinView::dropUrls(const KUrl::List& urls,
1064                            const QModelIndex& index,
1065                            QWidget* source)
1066 {
1067     KFileItem* directory = 0;
1068     if (isValidNameIndex(index)) {
1069         KFileItem* item = fileItem(index);
1070         Q_ASSERT(item != 0);
1071         if (item->isDir()) {
1072             // the URLs are dropped above a directory
1073             directory = item;
1074         }
1075     }
1076
1077     if ((directory == 0) && (source == itemView())) {
1078         // The dropping is done into the same viewport where
1079         // the dragging has been started. Just ignore this...
1080         return;
1081     }
1082
1083     const KUrl& destination = (directory == 0) ? url() :
1084                               directory->url();
1085     dropUrls(urls, destination);
1086 }
1087
1088 void DolphinView::dropUrls(const KUrl::List& urls,
1089                            const KUrl& destination)
1090 {
1091     m_mainWindow->dropUrls(urls, destination);
1092 }
1093
1094 void DolphinView::updateSorting(DolphinView::Sorting sorting)
1095 {
1096     ViewProperties props(url());
1097     props.setSorting(sorting);
1098
1099     m_proxyModel->setSorting(sorting);
1100
1101     emit sortingChanged(sorting);
1102 }
1103
1104 void DolphinView::updateSortOrder(Qt::SortOrder order)
1105 {
1106     ViewProperties props(url());
1107     props.setSortOrder(order);
1108
1109     m_proxyModel->setSortOrder(order);
1110
1111     emit sortOrderChanged(order);
1112 }
1113
1114 void DolphinView::emitContentsMoved()
1115 {
1116     if (!m_blockContentsMovedSignal) {
1117         emit contentsMoved(contentsX(), contentsY());
1118     }
1119 }
1120
1121 void DolphinView::updateActivationState()
1122 {
1123     m_urlNavigator->setActive(isActive());
1124     if (isActive()) {
1125         emit urlChanged(url());
1126         emit selectionChanged(selectedItems());
1127     }
1128 }
1129
1130 void DolphinView::updateCutItems()
1131 {
1132     // restore the icons of all previously selected items to the
1133     // original state...
1134     QList<CutItem>::const_iterator it = m_cutItemsCache.begin();
1135     QList<CutItem>::const_iterator end = m_cutItemsCache.end();
1136     while (it != end) {
1137         const QModelIndex index = m_dirModel->indexForUrl((*it).url);
1138         if (index.isValid()) {
1139             m_dirModel->setData(index, QIcon((*it).pixmap), Qt::DecorationRole);
1140         }
1141         ++it;
1142     }
1143     m_cutItemsCache.clear();
1144
1145     // ... and apply an item effect to all currently cut items
1146     applyCutItemEffect();
1147 }
1148
1149 void DolphinView::createView()
1150 {
1151     // delete current view
1152     QAbstractItemView* view = itemView();
1153     if (view != 0) {
1154         m_topLayout->removeWidget(view);
1155         view->close();
1156         if (view == m_iconsView) {
1157             KItemCategorizer* categorizer = m_iconsView->itemCategorizer();
1158             m_iconsView->setItemCategorizer(0);
1159             delete categorizer;
1160         }
1161         view->deleteLater();
1162         view = 0;
1163         m_iconsView = 0;
1164         m_detailsView = 0;
1165         m_columnView = 0;
1166         m_fileItemDelegate = 0;
1167     }
1168
1169     Q_ASSERT(m_iconsView == 0);
1170     Q_ASSERT(m_detailsView == 0);
1171     Q_ASSERT(m_columnView == 0);
1172
1173     // ... and recreate it representing the current mode
1174     switch (m_mode) {
1175     case IconsView:
1176         m_iconsView = new DolphinIconsView(this, m_controller);
1177         view = m_iconsView;
1178         break;
1179
1180     case DetailsView:
1181         m_detailsView = new DolphinDetailsView(this, m_controller);
1182         view = m_detailsView;
1183         break;
1184
1185     case ColumnView:
1186         m_columnView = new DolphinColumnView(this, m_controller);
1187         view = m_columnView;
1188         break;
1189     }
1190
1191     Q_ASSERT(view != 0);
1192
1193     m_fileItemDelegate = new KFileItemDelegate(view);
1194     view->setItemDelegate(m_fileItemDelegate);
1195
1196     view->setModel(m_proxyModel);
1197     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1198
1199     new KMimeTypeResolver(view, m_dirModel);
1200     m_topLayout->insertWidget(1, view);
1201
1202     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1203             m_controller, SLOT(indicateSelectionChange()));
1204     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1205             this, SLOT(emitContentsMoved()));
1206     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1207             this, SLOT(emitContentsMoved()));
1208 }
1209
1210 void DolphinView::selectAll(QItemSelectionModel::SelectionFlags flags)
1211 {
1212     QItemSelectionModel* selectionModel = itemView()->selectionModel();
1213     const QAbstractItemModel* itemModel = selectionModel->model();
1214
1215     const QModelIndex topLeft = itemModel->index(0, 0);
1216     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
1217                                     itemModel->columnCount() - 1);
1218
1219     QItemSelection selection(topLeft, bottomRight);
1220     selectionModel->select(selection, flags);
1221 }
1222
1223 QAbstractItemView* DolphinView::itemView() const
1224 {
1225     if (m_detailsView != 0) {
1226         return m_detailsView;
1227     } else if (m_columnView != 0) {
1228         return m_columnView;
1229     }
1230
1231     return m_iconsView;
1232 }
1233
1234 bool DolphinView::isValidNameIndex(const QModelIndex& index) const
1235 {
1236     return index.isValid() && (index.column() == KDirModel::Name);
1237 }
1238
1239 bool DolphinView::isCutItem(const KFileItem& item) const
1240 {
1241     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1242     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1243
1244     const KUrl& itemUrl = item.url();
1245     KUrl::List::const_iterator it = cutUrls.begin();
1246     const KUrl::List::const_iterator end = cutUrls.end();
1247     while (it != end) {
1248         if (*it == itemUrl) {
1249             return true;
1250         }
1251         ++it;
1252     }
1253
1254     return false;
1255 }
1256
1257 void DolphinView::applyCutItemEffect()
1258 {
1259     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1260     if (!KonqMimeData::decodeIsCutSelection(mimeData)) {
1261         return;
1262     }
1263
1264     KFileItemList items(m_dirLister->items());
1265     KFileItemList::const_iterator it = items.begin();
1266     const KFileItemList::const_iterator end = items.end();
1267     while (it != end) {
1268         KFileItem* item = *it;
1269         if (isCutItem(*item)) {
1270             const QModelIndex index = m_dirModel->indexForItem(*item);
1271             const KFileItem* item = m_dirModel->itemForIndex(index);
1272             const QVariant value = m_dirModel->data(index, Qt::DecorationRole);
1273             if ((value.type() == QVariant::Icon) && (item != 0)) {
1274                 const QIcon icon(qvariant_cast<QIcon>(value));
1275                 QPixmap pixmap = icon.pixmap(128, 128);
1276
1277                 // remember current pixmap for the item to be able
1278                 // to restore it when other items get cut
1279                 CutItem cutItem;
1280                 cutItem.url = item->url();
1281                 cutItem.pixmap = pixmap;
1282                 m_cutItemsCache.append(cutItem);
1283
1284                 // apply icon effect to the cut item
1285                 KIconEffect iconEffect;
1286                 pixmap = iconEffect.apply(pixmap, K3Icon::Desktop, K3Icon::DisabledState);
1287                 m_dirModel->setData(index, QIcon(pixmap), Qt::DecorationRole);
1288             }
1289         }
1290         ++it;
1291     }
1292 }
1293
1294 #include "dolphinview.moc"