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 <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfileitemdelegate.h>
  35 #include <kiconeffect.h>
  36 #include <klocale.h>
  37 #include <kio/deletejob.h>
  38 #include <kio/netaccess.h>
  39 #include <kio/previewjob.h>
  40 #include <kjob.h>
  41 #include <kmenu.h>
  42 #include <kmessagebox.h>
  43 #include <kmimetyperesolver.h>
  44 #include <konq_fileitemcapabilities.h>
  45 #include <konq_operations.h>
  46 #include <konqmimedata.h>
  47 #include <ktoggleaction.h>
  48 #include <kurl.h>
  49
  50 #include "dolphindropcontroller.h"
  51 #include "dolphinmodel.h"
  52 #include "dolphincolumnview.h"
  53 #include "dolphincontroller.h"
  54 #include "dolphinsortfilterproxymodel.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphiniconsview.h"
  57 #include "dolphinsettings.h"
  58 #include "dolphin_generalsettings.h"
  59 #include "iconmanager.h"
  60 #include "renamedialog.h"
  61 #include "tooltipmanager.h"
  62 #include "viewproperties.h"
  63
  64 DolphinView::DolphinView(QWidget* parent,
  65                          const KUrl& url,
  66                          KDirLister* dirLister,
  67                          DolphinModel* dolphinModel,
  68                          DolphinSortFilterProxyModel* proxyModel) :
  69     QWidget(parent),
  70     m_active(true),
  71     m_showPreview(false),
  72     m_loadingDirectory(false),
  73     m_storedCategorizedSorting(false),
  74     m_tabsForFiles(false),
  75     m_isContextMenuOpen(false),
  76     m_mode(DolphinView::IconsView),
  77     m_topLayout(0),
  78     m_controller(0),
  79     m_iconsView(0),
  80     m_detailsView(0),
  81     m_columnView(0),
  82     m_fileItemDelegate(0),
  83     m_selectionModel(0),
  84     m_dolphinModel(dolphinModel),
  85     m_dirLister(dirLister),
  86     m_proxyModel(proxyModel),
  87     m_iconManager(0),
  88     m_toolTipManager(0),
  89     m_rootUrl(),
  90     m_currentItemUrl()
  91 {
  92     m_topLayout = new QVBoxLayout(this);
  93     m_topLayout->setSpacing(0);
  94     m_topLayout->setMargin(0);
  95
  96     m_controller = new DolphinController(this);
  97     m_controller->setUrl(url);
  98
  99     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 100             this, SIGNAL(urlChanged(const KUrl&)));
 101     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 102             this, SLOT(slotRequestUrlChange(const KUrl&)));
 103
 104     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
 105             this, SLOT(openContextMenu(const QPoint&)));
 106     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&, const KFileItem&)),
 107             this, SLOT(dropUrls(const KUrl::List&, const KUrl&, const KFileItem&)));
 108     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 109             this, SLOT(updateSorting(DolphinView::Sorting)));
 110     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 111             this, SLOT(updateSortOrder(Qt::SortOrder)));
 112     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 113             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 114     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 115             this, SLOT(triggerItem(const KFileItem&)));
 116     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 117             this, SIGNAL(tabRequested(const KUrl&)));
 118     connect(m_controller, SIGNAL(activated()),
 119             this, SLOT(activate()));
 120     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 121             this, SLOT(showHoverInformation(const KFileItem&)));
 122     connect(m_controller, SIGNAL(viewportEntered()),
 123             this, SLOT(clearHoverInformation()));
 124
 125     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 126             this, SLOT(slotRedirection(KUrl, KUrl)));
 127     connect(m_dirLister, SIGNAL(completed()),
 128             this, SLOT(restoreCurrentItem()));
 129
 130     applyViewProperties(url);
 131     m_topLayout->addWidget(itemView());
 132 }
 133
 134 DolphinView::~DolphinView()
 135 {
 136 }
 137
 138 const KUrl& DolphinView::url() const
 139 {
 140     return m_controller->url();
 141 }
 142
 143 KUrl DolphinView::rootUrl() const
 144 {
 145     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 146 }
 147
 148 void DolphinView::setActive(bool active)
 149 {
 150     if (active == m_active) {
 151         return;
 152     }
 153
 154     m_active = active;
 155
 156     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 157     if (active) {
 158         // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
 159         // bypasses the problem when having a split view and changing the active view to
 160         // update the some URL dependent states. A nicer approach should be no big deal...
 161         emit urlChanged(url());
 162         emit selectionChanged(selectedItems());
 163     } else {
 164         color.setAlpha(150);
 165     }
 166
 167     QWidget* viewport = itemView()->viewport();
 168     QPalette palette;
 169     palette.setColor(viewport->backgroundRole(), color);
 170     viewport->setPalette(palette);
 171
 172     update();
 173
 174     if (active) {
 175         itemView()->setFocus();
 176         emit activated();
 177     }
 178
 179     m_controller->indicateActivationChange(active);
 180 }
 181
 182 bool DolphinView::isActive() const
 183 {
 184     return m_active;
 185 }
 186
 187 void DolphinView::setMode(Mode mode)
 188 {
 189     if (mode == m_mode) {
 190         return; // the wished mode is already set
 191     }
 192
 193     m_mode = mode;
 194
 195     deleteView();
 196
 197     const KUrl viewPropsUrl = viewPropertiesUrl();
 198     ViewProperties props(viewPropsUrl);
 199     props.setViewMode(m_mode);
 200     createView();
 201
 202     // the file item delegate has been recreated, apply the current
 203     // additional information manually
 204     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 205     m_fileItemDelegate->setShowInformation(infoList);
 206     emit additionalInfoChanged();
 207
 208     // Not all view modes support categorized sorting. Adjust the sorting model
 209     // if changing the view mode results in a change of the categorized sorting
 210     // capabilities.
 211     m_storedCategorizedSorting = props.categorizedSorting();
 212     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 213     if (categorized != m_proxyModel->isCategorizedModel()) {
 214         m_proxyModel->setCategorizedModel(categorized);
 215         emit categorizedSortingChanged();
 216     }
 217
 218     emit modeChanged();
 219 }
 220
 221 DolphinView::Mode DolphinView::mode() const
 222 {
 223     return m_mode;
 224 }
 225
 226 bool DolphinView::showPreview() const
 227 {
 228     return m_showPreview;
 229 }
 230
 231 bool DolphinView::showHiddenFiles() const
 232 {
 233     return m_dirLister->showingDotFiles();
 234 }
 235
 236 bool DolphinView::categorizedSorting() const
 237 {
 238     // If all view modes would support categorized sorting, returning
 239     // m_proxyModel->isCategorizedModel() would be the way to go. As
 240     // currently only the icons view supports caterized sorting, we remember
 241     // the stored view properties state in m_storedCategorizedSorting and
 242     // return this state. The application takes care to disable the corresponding
 243     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 244     // that this setting is not applied to the current view mode.
 245     return m_storedCategorizedSorting;
 246 }
 247
 248 bool DolphinView::supportsCategorizedSorting() const
 249 {
 250     return m_iconsView != 0;
 251 }
 252
 253 void DolphinView::selectAll()
 254 {
 255     QAbstractItemView* view = itemView();
 256     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 257     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 258     // selection instead of selecting all items. This is bypassed for KDE 4.0
 259     // by invoking clearSelection() first.
 260     view->clearSelection();
 261     view->selectAll();
 262 }
 263
 264 void DolphinView::invertSelection()
 265 {
 266     if (isColumnViewActive()) {
 267         // QAbstractItemView does not offer a virtual method invertSelection()
 268         // as counterpart to QAbstractItemView::selectAll(). This makes it
 269         // necessary to delegate the inverting of the selection to the
 270         // column view, as only the selection of the active column should
 271         // get inverted.
 272         m_columnView->invertSelection();
 273     } else {
 274         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 275         const QAbstractItemModel* itemModel = selectionModel->model();
 276
 277         const QModelIndex topLeft = itemModel->index(0, 0);
 278         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 279                                                          itemModel->columnCount() - 1);
 280
 281         const QItemSelection selection(topLeft, bottomRight);
 282         selectionModel->select(selection, QItemSelectionModel::Toggle);
 283     }
 284 }
 285
 286 bool DolphinView::hasSelection() const
 287 {
 288     return itemView()->selectionModel()->hasSelection();
 289 }
 290
 291 void DolphinView::clearSelection()
 292 {
 293     itemView()->selectionModel()->clear();
 294 }
 295
 296 KFileItemList DolphinView::selectedItems() const
 297 {
 298     if (isColumnViewActive()) {
 299         return m_columnView->selectedItems();
 300     }
 301
 302     const QAbstractItemView* view = itemView();
 303
 304     // Our view has a selection, we will map them back to the DolphinModel
 305     // and then fill the KFileItemList.
 306     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 307
 308     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 309     KFileItemList itemList;
 310
 311     const QModelIndexList indexList = selection.indexes();
 312     foreach (const QModelIndex &index, indexList) {
 313         KFileItem item = m_dolphinModel->itemForIndex(index);
 314         if (!item.isNull()) {
 315             itemList.append(item);
 316         }
 317     }
 318
 319     return itemList;
 320 }
 321
 322 KUrl::List DolphinView::selectedUrls() const
 323 {
 324     KUrl::List urls;
 325     const KFileItemList list = selectedItems();
 326     foreach (const KFileItem &item, list) {
 327         urls.append(item.url());
 328     }
 329     return urls;
 330 }
 331
 332 void DolphinView::setContentsPosition(int x, int y)
 333 {
 334     QAbstractItemView* view = itemView();
 335
 336     // the ColumnView takes care itself for the horizontal scrolling
 337     if (!isColumnViewActive()) {
 338         view->horizontalScrollBar()->setValue(x);
 339     }
 340     view->verticalScrollBar()->setValue(y);
 341
 342     m_loadingDirectory = false;
 343 }
 344
 345 QPoint DolphinView::contentsPosition() const
 346 {
 347     const int x = itemView()->horizontalScrollBar()->value();
 348     const int y = itemView()->verticalScrollBar()->value();
 349     return QPoint(x, y);
 350 }
 351
 352 void DolphinView::zoomIn()
 353 {
 354     m_controller->triggerZoomIn();
 355     m_iconManager->updatePreviews();
 356 }
 357
 358 void DolphinView::zoomOut()
 359 {
 360     m_controller->triggerZoomOut();
 361     m_iconManager->updatePreviews();
 362 }
 363
 364 bool DolphinView::isZoomInPossible() const
 365 {
 366     return m_controller->isZoomInPossible();
 367 }
 368
 369 bool DolphinView::isZoomOutPossible() const
 370 {
 371     return m_controller->isZoomOutPossible();
 372 }
 373
 374 void DolphinView::setSorting(Sorting sorting)
 375 {
 376     if (sorting != this->sorting()) {
 377         updateSorting(sorting);
 378     }
 379 }
 380
 381 DolphinView::Sorting DolphinView::sorting() const
 382 {
 383     return m_proxyModel->sorting();
 384 }
 385
 386 void DolphinView::setSortOrder(Qt::SortOrder order)
 387 {
 388     if (sortOrder() != order) {
 389         updateSortOrder(order);
 390     }
 391 }
 392
 393 Qt::SortOrder DolphinView::sortOrder() const
 394 {
 395     return m_proxyModel->sortOrder();
 396 }
 397
 398 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 399 {
 400     const KUrl viewPropsUrl = viewPropertiesUrl();
 401     ViewProperties props(viewPropsUrl);
 402     props.setAdditionalInfo(info);
 403     m_fileItemDelegate->setShowInformation(info);
 404
 405     emit additionalInfoChanged();
 406
 407     if (itemView() != m_detailsView) {
 408         // the details view requires no reloading of the directory, as it maps
 409         // the file item delegate info to its columns internally
 410         loadDirectory(viewPropsUrl);
 411     }
 412 }
 413
 414 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 415 {
 416     return m_fileItemDelegate->showInformation();
 417 }
 418
 419 void DolphinView::reload()
 420 {
 421     setUrl(url());
 422     loadDirectory(url(), true);
 423 }
 424
 425 void DolphinView::refresh()
 426 {
 427     const bool oldActivationState = m_active;
 428     m_active = true;
 429
 430     createView();
 431     applyViewProperties(m_controller->url());
 432     reload();
 433
 434     setActive(oldActivationState);
 435 }
 436
 437 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 438 {
 439     if (m_controller->url() == url) {
 440         return;
 441     }
 442
 443     m_iconManager->cancelPreviews();
 444     m_controller->setUrl(url); // emits urlChanged, which we forward
 445
 446     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 447         applyViewProperties(rootUrl);
 448         loadDirectory(rootUrl);
 449         if (itemView() == m_columnView) {
 450             m_columnView->setRootUrl(rootUrl);
 451             m_columnView->showColumn(url);
 452         }
 453     } else {
 454         applyViewProperties(url);
 455         loadDirectory(url);
 456     }
 457
 458     emit startedPathLoading(url);
 459 }
 460
 461 void DolphinView::setNameFilter(const QString& nameFilter)
 462 {
 463     m_proxyModel->setFilterRegExp(nameFilter);
 464
 465     if (isColumnViewActive()) {
 466         // adjusting the directory lister is not enough in the case of the
 467         // column view, as each column has its own directory lister internally...
 468         m_columnView->setNameFilter(nameFilter);
 469     }
 470 }
 471
 472 void DolphinView::calculateItemCount(int& fileCount, int& folderCount)
 473 {
 474     foreach (const KFileItem &item, m_dirLister->items()) {
 475         if (item.isDir()) {
 476             ++folderCount;
 477         } else {
 478             ++fileCount;
 479         }
 480     }
 481 }
 482
 483 void DolphinView::setUrl(const KUrl& url)
 484 {
 485     // remember current item candidate (see restoreCurrentItem())
 486     m_currentItemUrl = url;
 487     updateView(url, KUrl());
 488 }
 489
 490 void DolphinView::changeSelection(const KFileItemList& selection)
 491 {
 492     clearSelection();
 493     if (selection.isEmpty()) {
 494         return;
 495     }
 496     const KUrl& baseUrl = url();
 497     KUrl url;
 498     QItemSelection new_selection;
 499     foreach(const KFileItem& item, selection) {
 500         url = item.url().upUrl();
 501         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 502             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 503             new_selection.select(index, index);
 504         }
 505     }
 506     itemView()->selectionModel()->select(new_selection,
 507                                          QItemSelectionModel::ClearAndSelect
 508                                          | QItemSelectionModel::Current);
 509 }
 510
 511 void DolphinView::renameSelectedItems()
 512 {
 513     const KFileItemList items = selectedItems();
 514     if (items.count() > 1) {
 515         // More than one item has been selected for renaming. Open
 516         // a rename dialog and rename all items afterwards.
 517         RenameDialog dialog(this, items);
 518         if (dialog.exec() == QDialog::Rejected) {
 519             return;
 520         }
 521
 522         const QString newName = dialog.newName();
 523         if (newName.isEmpty()) {
 524             emit errorMessage(dialog.errorString());
 525         } else {
 526             // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 527             // as one operation instead of n rename operations like it is done now...
 528             Q_ASSERT(newName.contains('#'));
 529
 530             // iterate through all selected items and rename them...
 531             int index = 1;
 532             foreach (const KFileItem &item, items) {
 533                 const KUrl& oldUrl = item.url();
 534                 QString number;
 535                 number.setNum(index++);
 536
 537                 QString name = newName;
 538                 name.replace('#', number);
 539
 540                 if (oldUrl.fileName() != name) {
 541                     KUrl newUrl = oldUrl;
 542                     newUrl.setFileName(name);
 543                     KonqOperations::rename(this, oldUrl, newUrl);
 544                     emit doingOperation(KIO::FileUndoManager::Rename);
 545                 }
 546             }
 547         }
 548     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 549         Q_ASSERT(items.count() == 1);
 550
 551         if (isColumnViewActive()) {
 552             m_columnView->editItem(items.first());
 553         } else {
 554             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 555             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 556             itemView()->edit(proxyIndex);
 557         }
 558     } else {
 559         Q_ASSERT(items.count() == 1);
 560
 561         RenameDialog dialog(this, items);
 562         if (dialog.exec() == QDialog::Rejected) {
 563             return;
 564         }
 565
 566         const QString& newName = dialog.newName();
 567         if (newName.isEmpty()) {
 568             emit errorMessage(dialog.errorString());
 569         } else {
 570             const KUrl& oldUrl = items.first().url();
 571             KUrl newUrl = oldUrl;
 572             newUrl.setFileName(newName);
 573             KonqOperations::rename(this, oldUrl, newUrl);
 574             emit doingOperation(KIO::FileUndoManager::Rename);
 575         }
 576     }
 577 }
 578
 579 void DolphinView::trashSelectedItems()
 580 {
 581     emit doingOperation(KIO::FileUndoManager::Trash);
 582     KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
 583 }
 584
 585 void DolphinView::deleteSelectedItems()
 586 {
 587     const KUrl::List list = selectedUrls();
 588     const bool del = KonqOperations::askDeleteConfirmation(list,
 589                      KonqOperations::DEL,
 590                      KonqOperations::DEFAULT_CONFIRMATION,
 591                      this);
 592
 593     if (del) {
 594         KIO::Job* job = KIO::del(list);
 595         connect(job, SIGNAL(result(KJob*)),
 596                 this, SLOT(slotDeleteFileFinished(KJob*)));
 597     }
 598 }
 599
 600 void DolphinView::cutSelectedItems()
 601 {
 602     QMimeData* mimeData = new QMimeData();
 603     const KUrl::List kdeUrls = selectedUrls();
 604     const KUrl::List mostLocalUrls;
 605     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
 606     QApplication::clipboard()->setMimeData(mimeData);
 607 }
 608
 609 void DolphinView::copySelectedItems()
 610 {
 611     QMimeData* mimeData = new QMimeData();
 612     const KUrl::List kdeUrls = selectedUrls();
 613     const KUrl::List mostLocalUrls;
 614     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
 615     QApplication::clipboard()->setMimeData(mimeData);
 616 }
 617
 618 void DolphinView::paste()
 619 {
 620     pasteToUrl(url());
 621 }
 622
 623 void DolphinView::pasteIntoFolder()
 624 {
 625     const KFileItemList items = selectedItems();
 626     if ((items.count() == 1) && items.first().isDir()) {
 627         pasteToUrl(items.first().url());
 628     }
 629 }
 630
 631 void DolphinView::setShowPreview(bool show)
 632 {
 633     if (m_showPreview == show) {
 634         return;
 635     }
 636
 637     const KUrl viewPropsUrl = viewPropertiesUrl();
 638     ViewProperties props(viewPropsUrl);
 639     props.setShowPreview(show);
 640
 641     m_showPreview = show;
 642     m_iconManager->setShowPreview(show);
 643     emit showPreviewChanged();
 644
 645     loadDirectory(viewPropsUrl);
 646 }
 647
 648 void DolphinView::setShowHiddenFiles(bool show)
 649 {
 650     if (m_dirLister->showingDotFiles() == show) {
 651         return;
 652     }
 653
 654     const KUrl viewPropsUrl = viewPropertiesUrl();
 655     ViewProperties props(viewPropsUrl);
 656     props.setShowHiddenFiles(show);
 657
 658     m_dirLister->setShowingDotFiles(show);
 659     emit showHiddenFilesChanged();
 660
 661     loadDirectory(viewPropsUrl);
 662 }
 663
 664 void DolphinView::setCategorizedSorting(bool categorized)
 665 {
 666     if (categorized == categorizedSorting()) {
 667         return;
 668     }
 669
 670     // setCategorizedSorting(true) may only get invoked
 671     // if the view supports categorized sorting
 672     Q_ASSERT(!categorized || supportsCategorizedSorting());
 673
 674     ViewProperties props(viewPropertiesUrl());
 675     props.setCategorizedSorting(categorized);
 676     props.save();
 677
 678     m_storedCategorizedSorting = categorized;
 679     m_proxyModel->setCategorizedModel(categorized);
 680
 681     emit categorizedSortingChanged();
 682 }
 683
 684 void DolphinView::toggleSortOrder()
 685 {
 686     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 687                                 Qt::DescendingOrder :
 688                                 Qt::AscendingOrder;
 689     setSortOrder(order);
 690 }
 691
 692 void DolphinView::toggleAdditionalInfo(QAction* action)
 693 {
 694     const KFileItemDelegate::Information info =
 695         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 696
 697     KFileItemDelegate::InformationList list = additionalInfo();
 698
 699     const bool show = action->isChecked();
 700
 701     const int index = list.indexOf(info);
 702     const bool containsInfo = (index >= 0);
 703     if (show && !containsInfo) {
 704         list.append(info);
 705         setAdditionalInfo(list);
 706     } else if (!show && containsInfo) {
 707         list.removeAt(index);
 708         setAdditionalInfo(list);
 709         Q_ASSERT(list.indexOf(info) < 0);
 710     }
 711 }
 712
 713
 714 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 715 {
 716     QWidget::mouseReleaseEvent(event);
 717     setActive(true);
 718 }
 719
 720 void DolphinView::wheelEvent(QWheelEvent* event)
 721 {
 722     if (event->modifiers() & Qt::ControlModifier) {
 723         const int delta = event->delta();
 724         if ((delta > 0) && isZoomInPossible()) {
 725             zoomIn();
 726         } else if ((delta < 0) && isZoomOutPossible()) {
 727             zoomOut();
 728         }
 729         event->accept();
 730     }
 731 }
 732
 733 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 734 {
 735     if ((watched == itemView()) && (event->type() == QEvent::FocusIn)) {
 736         m_controller->requestActivation();
 737     }
 738
 739     return QWidget::eventFilter(watched, event);
 740 }
 741
 742 void DolphinView::activate()
 743 {
 744     setActive(true);
 745 }
 746
 747 void DolphinView::triggerItem(const KFileItem& item)
 748 {
 749     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 750     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 751         // items are selected by the user, hence don't trigger the
 752         // item specified by 'index'
 753         return;
 754     }
 755
 756     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 757     if (item.isNull() || m_isContextMenuOpen) {
 758         return;
 759     }
 760
 761     if (m_toolTipManager != 0) {
 762         m_toolTipManager->hideTip();
 763     }
 764     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 765 }
 766
 767 void DolphinView::emitSelectionChangedSignal()
 768 {
 769     emit selectionChanged(DolphinView::selectedItems());
 770 }
 771
 772 void DolphinView::openContextMenu(const QPoint& pos)
 773 {
 774     KFileItem item;
 775     if (isColumnViewActive()) {
 776         item = m_columnView->itemAt(pos);
 777     } else {
 778         const QModelIndex index = itemView()->indexAt(pos);
 779         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 780             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 781             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 782         }
 783     }
 784
 785     if (m_toolTipManager != 0) {
 786         m_toolTipManager->hideTip();
 787     }
 788
 789     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 790     emit requestContextMenu(item, url());
 791     m_isContextMenuOpen = false;
 792 }
 793
 794 void DolphinView::dropUrls(const KUrl::List& urls,
 795                            const KUrl& destPath,
 796                            const KFileItem& destItem)
 797 {
 798     Q_ASSERT(!urls.isEmpty());
 799     const KUrl& destination = !destItem.isNull() && destItem.isDir() ?
 800                               destItem.url() : destPath;
 801     const KUrl sourceDir = KUrl(urls.first().directory());
 802     if (sourceDir != destination) {
 803         DolphinDropController dropController(this);
 804         // forward doingOperation signal up to the mainwindow
 805         connect(&dropController, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)),
 806                 this, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)));
 807         dropController.dropUrls(urls, destination);
 808     }
 809 }
 810
 811 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 812 {
 813     ViewProperties props(viewPropertiesUrl());
 814     props.setSorting(sorting);
 815
 816     m_proxyModel->setSorting(sorting);
 817
 818     emit sortingChanged(sorting);
 819 }
 820
 821 void DolphinView::updateSortOrder(Qt::SortOrder order)
 822 {
 823     ViewProperties props(viewPropertiesUrl());
 824     props.setSortOrder(order);
 825
 826     m_proxyModel->setSortOrder(order);
 827
 828     emit sortOrderChanged(order);
 829 }
 830
 831 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 832 {
 833     ViewProperties props(viewPropertiesUrl());
 834     props.setAdditionalInfo(info);
 835     props.save();
 836
 837     m_fileItemDelegate->setShowInformation(info);
 838
 839     emit additionalInfoChanged();
 840 }
 841
 842 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 843 {
 844     const bool enable = (m_mode == DolphinView::DetailsView) ||
 845                         (m_mode == DolphinView::IconsView);
 846
 847     QAction* showSizeInfo = collection->action("show_size_info");
 848     QAction* showDateInfo = collection->action("show_date_info");
 849     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 850     QAction* showOwnerInfo = collection->action("show_owner_info");
 851     QAction* showGroupInfo = collection->action("show_group_info");
 852     QAction* showMimeInfo = collection->action("show_mime_info");
 853
 854     showSizeInfo->setChecked(false);
 855     showDateInfo->setChecked(false);
 856     showPermissionsInfo->setChecked(false);
 857     showOwnerInfo->setChecked(false);
 858     showGroupInfo->setChecked(false);
 859     showMimeInfo->setChecked(false);
 860
 861     showSizeInfo->setEnabled(enable);
 862     showDateInfo->setEnabled(enable);
 863     showPermissionsInfo->setEnabled(enable);
 864     showOwnerInfo->setEnabled(enable);
 865     showGroupInfo->setEnabled(enable);
 866     showMimeInfo->setEnabled(enable);
 867
 868     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
 869         switch (info) {
 870         case KFileItemDelegate::Size:
 871             showSizeInfo->setChecked(true);
 872             break;
 873         case KFileItemDelegate::ModificationTime:
 874             showDateInfo->setChecked(true);
 875             break;
 876         case KFileItemDelegate::Permissions:
 877             showPermissionsInfo->setChecked(true);
 878             break;
 879         case KFileItemDelegate::Owner:
 880             showOwnerInfo->setChecked(true);
 881             break;
 882         case KFileItemDelegate::OwnerAndGroup:
 883             showGroupInfo->setChecked(true);
 884             break;
 885         case KFileItemDelegate::FriendlyMimeType:
 886             showMimeInfo->setChecked(true);
 887             break;
 888         default:
 889             break;
 890         }
 891     }
 892 }
 893
 894 QPair<bool, QString> DolphinView::pasteInfo() const
 895 {
 896     QPair<bool, QString> ret;
 897     QClipboard* clipboard = QApplication::clipboard();
 898     const QMimeData* mimeData = clipboard->mimeData();
 899
 900     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
 901     if (!urls.isEmpty()) {
 902         // disable the paste action if no writing is supported
 903         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url());
 904         ret.first = KonqFileItemCapabilities(KFileItemList() << item).supportsWriting();
 905
 906         if (urls.count() == 1) {
 907             const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, urls.first(), true);
 908             ret.second = item.isDir() ? i18nc("@action:inmenu", "Paste One Folder") :
 909                                         i18nc("@action:inmenu", "Paste One File");
 910
 911         } else {
 912             ret.second = i18ncp("@action:inmenu", "Paste One Item", "Paste %1 Items", urls.count());
 913         }
 914     } else {
 915         ret.first = false;
 916         ret.second = i18nc("@action:inmenu", "Paste");
 917     }
 918
 919     return ret;
 920 }
 921
 922 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 923 {
 924     m_tabsForFiles = tabsForFiles;
 925 }
 926
 927 bool DolphinView::isTabsForFilesEnabled() const
 928 {
 929     return m_tabsForFiles;
 930 }
 931
 932 void DolphinView::emitContentsMoved()
 933 {
 934     // only emit the contents moved signal if:
 935     // - no directory loading is ongoing (this would reset the contents position
 936     //   always to (0, 0))
 937     // - if the Column View is active: the column view does an automatic
 938     //   positioning during the loading operation, which must be remembered
 939     if (!m_loadingDirectory || isColumnViewActive()) {
 940         const QPoint pos(contentsPosition());
 941         emit contentsMoved(pos.x(), pos.y());
 942     }
 943 }
 944
 945 void DolphinView::showHoverInformation(const KFileItem& item)
 946 {
 947     emit requestItemInfo(item);
 948 }
 949
 950 void DolphinView::clearHoverInformation()
 951 {
 952     emit requestItemInfo(KFileItem());
 953 }
 954
 955 void DolphinView::slotDeleteFileFinished(KJob* job)
 956 {
 957     if (job->error() == 0) {
 958         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
 959     } else {
 960         emit errorMessage(job->errorString());
 961     }
 962 }
 963
 964
 965 void DolphinView::restoreCurrentItem()
 966 {
 967     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
 968     if (dirIndex.isValid()) {
 969         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 970         QAbstractItemView* view = itemView();
 971         const bool clearSelection = !hasSelection();
 972         view->setCurrentIndex(proxyIndex);
 973         if (clearSelection) {
 974             view->clearSelection();
 975         }
 976     }
 977 }
 978
 979 void DolphinView::loadDirectory(const KUrl& url, bool reload)
 980 {
 981     if (!url.isValid()) {
 982         const QString location(url.pathOrUrl());
 983         if (location.isEmpty()) {
 984             emit errorMessage(i18nc("@info:status", "The location is empty."));
 985         } else {
 986             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
 987         }
 988         return;
 989     }
 990
 991     m_loadingDirectory = true;
 992
 993     m_dirLister->stop();
 994     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
 995
 996     if (isColumnViewActive()) {
 997         // adjusting the directory lister is not enough in the case of the
 998         // column view, as each column has its own directory lister internally...
 999         if (reload) {
1000             m_columnView->reload();
1001         } else {
1002             m_columnView->showColumn(url);
1003         }
1004     }
1005 }
1006
1007 KUrl DolphinView::viewPropertiesUrl() const
1008 {
1009     if (isColumnViewActive()) {
1010         return m_columnView->rootUrl();
1011     }
1012
1013     return url();
1014 }
1015
1016 void DolphinView::applyViewProperties(const KUrl& url)
1017 {
1018     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1019         // The column view is active, hence don't apply the view properties
1020         // of sub directories (represented by columns) to the view. The
1021         // view always represents the properties of the first column.
1022         return;
1023     }
1024
1025     const ViewProperties props(url);
1026
1027     const Mode mode = props.viewMode();
1028     if (m_mode != mode) {
1029         m_mode = mode;
1030         createView();
1031         emit modeChanged();
1032     }
1033     if (itemView() == 0) {
1034         createView();
1035     }
1036     Q_ASSERT(itemView() != 0);
1037     Q_ASSERT(m_fileItemDelegate != 0);
1038
1039     const bool showHiddenFiles = props.showHiddenFiles();
1040     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1041         m_dirLister->setShowingDotFiles(showHiddenFiles);
1042         emit showHiddenFilesChanged();
1043     }
1044
1045     m_storedCategorizedSorting = props.categorizedSorting();
1046     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1047     if (categorized != m_proxyModel->isCategorizedModel()) {
1048         m_proxyModel->setCategorizedModel(categorized);
1049         emit categorizedSortingChanged();
1050     }
1051
1052     const DolphinView::Sorting sorting = props.sorting();
1053     if (sorting != m_proxyModel->sorting()) {
1054         m_proxyModel->setSorting(sorting);
1055         emit sortingChanged(sorting);
1056     }
1057
1058     const Qt::SortOrder sortOrder = props.sortOrder();
1059     if (sortOrder != m_proxyModel->sortOrder()) {
1060         m_proxyModel->setSortOrder(sortOrder);
1061         emit sortOrderChanged(sortOrder);
1062     }
1063
1064     KFileItemDelegate::InformationList info = props.additionalInfo();
1065     if (info != m_fileItemDelegate->showInformation()) {
1066         m_fileItemDelegate->setShowInformation(info);
1067         emit additionalInfoChanged();
1068     }
1069
1070     const bool showPreview = props.showPreview();
1071     if (showPreview != m_showPreview) {
1072         m_showPreview = showPreview;
1073         m_iconManager->setShowPreview(showPreview);
1074         emit showPreviewChanged();
1075     }
1076 }
1077
1078 void DolphinView::createView()
1079 {
1080     deleteView();
1081     Q_ASSERT(m_iconsView == 0);
1082     Q_ASSERT(m_detailsView == 0);
1083     Q_ASSERT(m_columnView == 0);
1084
1085     QAbstractItemView* view = 0;
1086     switch (m_mode) {
1087     case IconsView: {
1088         m_iconsView = new DolphinIconsView(this, m_controller);
1089         view = m_iconsView;
1090         break;
1091     }
1092
1093     case DetailsView:
1094         m_detailsView = new DolphinDetailsView(this, m_controller);
1095         view = m_detailsView;
1096         break;
1097
1098     case ColumnView:
1099         m_columnView = new DolphinColumnView(this, m_controller);
1100         view = m_columnView;
1101         break;
1102     }
1103
1104     Q_ASSERT(view != 0);
1105     view->installEventFilter(this);
1106
1107     m_controller->setItemView(view);
1108
1109     m_fileItemDelegate = new KFileItemDelegate(view);
1110     view->setItemDelegate(m_fileItemDelegate);
1111
1112     view->setModel(m_proxyModel);
1113     if (m_selectionModel != 0) {
1114         view->setSelectionModel(m_selectionModel);
1115     } else {
1116         m_selectionModel = view->selectionModel();
1117     }
1118
1119     // reparent the selection model, as it should not be deleted
1120     // when deleting the model
1121     m_selectionModel->setParent(this);
1122
1123     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1124
1125     m_iconManager = new IconManager(view, m_proxyModel);
1126     m_iconManager->setShowPreview(m_showPreview);
1127
1128     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1129         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1130     }
1131
1132     m_topLayout->insertWidget(1, view);
1133
1134     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1135             this, SLOT(emitSelectionChangedSignal()));
1136     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1137             this, SLOT(emitContentsMoved()));
1138     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1139             this, SLOT(emitContentsMoved()));
1140 }
1141
1142 void DolphinView::deleteView()
1143 {
1144     QAbstractItemView* view = itemView();
1145     if (view != 0) {
1146         m_topLayout->removeWidget(view);
1147         view->close();
1148         view->deleteLater();
1149         view = 0;
1150         m_iconsView = 0;
1151         m_detailsView = 0;
1152         m_columnView = 0;
1153         m_fileItemDelegate = 0;
1154         m_iconManager = 0;
1155         m_toolTipManager = 0;
1156     }
1157 }
1158
1159 QAbstractItemView* DolphinView::itemView() const
1160 {
1161     if (m_detailsView != 0) {
1162         return m_detailsView;
1163     } else if (m_columnView != 0) {
1164         return m_columnView;
1165     }
1166
1167     return m_iconsView;
1168 }
1169
1170 bool DolphinView::isCutItem(const KFileItem& item) const
1171 {
1172     const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1173     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1174
1175     const KUrl& itemUrl = item.url();
1176     KUrl::List::const_iterator it = cutUrls.begin();
1177     const KUrl::List::const_iterator end = cutUrls.end();
1178     while (it != end) {
1179         if (*it == itemUrl) {
1180             return true;
1181         }
1182         ++it;
1183     }
1184
1185     return false;
1186 }
1187
1188 void DolphinView::pasteToUrl(const KUrl& url)
1189 {
1190     QClipboard* clipboard = QApplication::clipboard();
1191     const QMimeData* mimeData = clipboard->mimeData();
1192
1193     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1194     if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1195         KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, url);
1196         emit doingOperation(KIO::FileUndoManager::Move);
1197         clipboard->clear();
1198     } else {
1199         KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, url);
1200         emit doingOperation(KIO::FileUndoManager::Copy);
1201     }
1202 }
1203
1204 void DolphinView::slotRequestUrlChange(const KUrl& url)
1205 {
1206     emit requestUrlChange(url);
1207     m_controller->setUrl(url);
1208 }
1209
1210 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1211 {
1212     if (oldUrl == m_controller->url()) {
1213         m_controller->setUrl(newUrl);
1214     }
1215 }
1216
1217 #include "dolphinview.moc"