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