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Don't trigger assert when switching to details-view
[dolphin.git] / src / views / dolphinview.cpp
1 /***************************************************************************
2 * Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com> *
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 <QAbstractItemView>
24 #include <QApplication>
25 #include <QBoxLayout>
26 #include <QClipboard>
27 #include <QDropEvent>
28 #include <QGraphicsSceneDragDropEvent>
29 #include <QKeyEvent>
30 #include <QItemSelection>
31 #include <QTimer>
32 #include <QScrollBar>
33
34 #include <KActionCollection>
35 #include <KColorScheme>
36 #include <KDirLister>
37 #include <KDirModel>
38 #include <KIconEffect>
39 #include <KFileItem>
40 #include <KFileItemListProperties>
41 #include <KLocale>
42 #include <kitemviews/kfileitemmodel.h>
43 #include <kitemviews/kfileitemlistview.h>
44 #include <kitemviews/kitemlistselectionmanager.h>
45 #include <kitemviews/kitemlistview.h>
46 #include <kitemviews/kitemlistcontroller.h>
47 #include <KIO/DeleteJob>
48 #include <KIO/NetAccess>
49 #include <KIO/PreviewJob>
50 #include <KJob>
51 #include <KMenu>
52 #include <KMessageBox>
53 #include <konq_fileitemcapabilities.h>
54 #include <konq_operations.h>
55 #include <konqmimedata.h>
56 #include <KToggleAction>
57 #include <KUrl>
58
59 #include "additionalinfoaccessor.h"
60 #include "dolphindirlister.h"
61 #include "dolphinnewfilemenuobserver.h"
62 #include "dolphin_detailsmodesettings.h"
63 #include "dolphin_generalsettings.h"
64 #include "dolphinitemlistcontainer.h"
65 #include "draganddrophelper.h"
66 #include "renamedialog.h"
67 #include "versioncontrol/versioncontrolobserver.h"
68 #include "viewmodecontroller.h"
69 #include "viewproperties.h"
70 #include "views/tooltips/tooltipmanager.h"
71 #include "zoomlevelinfo.h"
72
73 namespace {
74 const int MaxModeEnum = DolphinView::CompactView;
75 const int MaxSortingEnum = DolphinView::SortByPath;
76 };
77
78 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
79 QWidget(parent),
80 m_active(true),
81 m_tabsForFiles(false),
82 m_assureVisibleCurrentIndex(false),
83 m_isFolderWritable(true),
84 m_url(url),
85 m_mode(DolphinView::IconsView),
86 m_additionalInfoList(),
87 m_topLayout(0),
88 m_dirLister(0),
89 m_container(0),
90 m_toolTipManager(0),
91 m_selectionChangedTimer(0),
92 m_currentItemUrl(),
93 m_restoredContentsPosition(),
94 m_createdItemUrl(),
95 m_selectedUrls(),
96 m_versionControlObserver(0)
97 {
98 m_topLayout = new QVBoxLayout(this);
99 m_topLayout->setSpacing(0);
100 m_topLayout->setMargin(0);
101
102 // When a new item has been created by the "Create New..." menu, the item should
103 // get selected and it must be assured that the item will get visible. As the
104 // creation is done asynchronously, several signals must be checked:
105 connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
106 this, SLOT(observeCreatedItem(KUrl)));
107
108 m_selectionChangedTimer = new QTimer(this);
109 m_selectionChangedTimer->setSingleShot(true);
110 m_selectionChangedTimer->setInterval(300);
111 connect(m_selectionChangedTimer, SIGNAL(timeout()),
112 this, SLOT(emitSelectionChangedSignal()));
113
114 m_dirLister = new DolphinDirLister(this);
115 m_dirLister->setAutoUpdate(true);
116 m_dirLister->setDelayedMimeTypes(true);
117
118 connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
119 connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotDirListerStarted(KUrl)));
120 connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
121 this, SLOT(slotRefreshItems()));
122
123 connect(m_dirLister, SIGNAL(clear()), this, SIGNAL(itemCountChanged()));
124 connect(m_dirLister, SIGNAL(newItems(KFileItemList)), this, SIGNAL(itemCountChanged()));
125 connect(m_dirLister, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
126 connect(m_dirLister, SIGNAL(errorMessage(QString)), this, SIGNAL(infoMessage(QString)));
127 connect(m_dirLister, SIGNAL(percent(int)), this, SIGNAL(pathLoadingProgress(int)));
128 connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)), this, SIGNAL(urlIsFileError(KUrl)));
129 connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
130
131 m_container = new DolphinItemListContainer(m_dirLister, this);
132 m_container->setVisibleRoles(QList<QByteArray>() << "name");
133 m_container->installEventFilter(this);
134 setFocusProxy(m_container);
135 connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
136 connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
137
138 KItemListController* controller = m_container->controller();
139 controller->setSelectionBehavior(KItemListController::MultiSelection);
140 connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
141 connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
142 connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
143 connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
144 connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
145 connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
146 connect(controller, SIGNAL(itemPressed(int,Qt::MouseButton)), this, SLOT(hideToolTip()));
147 connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
148 connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
149 connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
150 connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
151
152 KFileItemModel* model = fileItemModel();
153 if (model) {
154 connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
155 }
156
157 KItemListView* view = controller->view();
158 connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
159 this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
160 connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
161 this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
162
163 KItemListSelectionManager* selectionManager = controller->selectionManager();
164 connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
165 this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
166
167 m_toolTipManager = new ToolTipManager(this);
168
169 m_versionControlObserver = new VersionControlObserver(this);
170 m_versionControlObserver->setModel(model);
171 connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
172 connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
173 connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
174
175 applyViewProperties();
176 m_topLayout->addWidget(m_container);
177
178 loadDirectory(url);
179 }
180
181 DolphinView::~DolphinView()
182 {
183 }
184
185 KUrl DolphinView::url() const
186 {
187 return m_url;
188 }
189
190 void DolphinView::setActive(bool active)
191 {
192 if (active == m_active) {
193 return;
194 }
195
196 m_active = active;
197
198 QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
199 if (!active) {
200 color.setAlpha(150);
201 }
202
203 QWidget* viewport = m_container->viewport();
204 if (viewport) {
205 QPalette palette;
206 palette.setColor(viewport->backgroundRole(), color);
207 viewport->setPalette(palette);
208 }
209
210 update();
211
212 if (active) {
213 m_container->setFocus();
214 emit activated();
215 emit writeStateChanged(m_isFolderWritable);
216 }
217 }
218
219 bool DolphinView::isActive() const
220 {
221 return m_active;
222 }
223
224 void DolphinView::setMode(Mode mode)
225 {
226 if (mode != m_mode) {
227 ViewProperties props(url());
228 props.setViewMode(mode);
229 props.save();
230
231 applyViewProperties();
232 }
233 }
234
235 DolphinView::Mode DolphinView::mode() const
236 {
237 return m_mode;
238 }
239
240 void DolphinView::setPreviewsShown(bool show)
241 {
242 if (previewsShown() == show) {
243 return;
244 }
245
246 ViewProperties props(url());
247 props.setPreviewsShown(show);
248
249 m_container->setPreviewsShown(show);
250 emit previewsShownChanged(show);
251 }
252
253 bool DolphinView::previewsShown() const
254 {
255 return m_container->previewsShown();
256 }
257
258 void DolphinView::setHiddenFilesShown(bool show)
259 {
260 if (m_dirLister->showingDotFiles() == show) {
261 return;
262 }
263
264 const KFileItemList itemList = selectedItems();
265 m_selectedUrls.clear();
266 m_selectedUrls = itemList.urlList();
267
268 ViewProperties props(url());
269 props.setHiddenFilesShown(show);
270
271 fileItemModel()->setShowHiddenFiles(show);
272 emit hiddenFilesShownChanged(show);
273 }
274
275 bool DolphinView::hiddenFilesShown() const
276 {
277 return m_dirLister->showingDotFiles();
278 }
279
280 void DolphinView::setGroupedSorting(bool grouped)
281 {
282 if (grouped == groupedSorting()) {
283 return;
284 }
285
286 ViewProperties props(url());
287 props.setGroupedSorting(grouped);
288 props.save();
289
290 m_container->controller()->model()->setGroupedSorting(grouped);
291
292 emit groupedSortingChanged(grouped);
293 }
294
295 bool DolphinView::groupedSorting() const
296 {
297 return fileItemModel()->groupedSorting();
298 }
299
300 KFileItemList DolphinView::items() const
301 {
302 return m_dirLister->items();
303 }
304
305 KFileItemList DolphinView::selectedItems() const
306 {
307 const KFileItemModel* model = fileItemModel();
308 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
309 const QSet<int> selectedIndexes = selectionManager->selectedItems();
310
311 KFileItemList selectedItems;
312 QSetIterator<int> it(selectedIndexes);
313 while (it.hasNext()) {
314 const int index = it.next();
315 selectedItems.append(model->fileItem(index));
316 }
317 return selectedItems;
318 }
319
320 int DolphinView::selectedItemsCount() const
321 {
322 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
323 return selectionManager->selectedItems().count();
324 }
325
326 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
327 {
328 m_selectedUrls = urls;
329 }
330
331 void DolphinView::markUrlAsCurrent(const KUrl& url)
332 {
333 m_currentItemUrl = url;
334 }
335
336 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
337 {
338 const KItemListSelectionManager::SelectionMode mode = enabled
339 ? KItemListSelectionManager::Select
340 : KItemListSelectionManager::Deselect;
341 const KFileItemModel* model = fileItemModel();
342 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
343
344 for (int index = 0; index < model->count(); index++) {
345 const KFileItem item = model->fileItem(index);
346 if (pattern.exactMatch(item.text())) {
347 // An alternative approach would be to store the matching items in a QSet<int> and
348 // select them in one go after the loop, but we'd need a new function
349 // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
350 // for that.
351 selectionManager->setSelected(index, 1, mode);
352 }
353 }
354 }
355
356 void DolphinView::setZoomLevel(int level)
357 {
358 const int oldZoomLevel = zoomLevel();
359 m_container->setZoomLevel(level);
360 if (zoomLevel() != oldZoomLevel) {
361 emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
362 }
363 }
364
365 int DolphinView::zoomLevel() const
366 {
367 return m_container->zoomLevel();
368 }
369
370 void DolphinView::setSorting(Sorting sorting)
371 {
372 if (sorting != this->sorting()) {
373 updateSorting(sorting);
374 }
375 }
376
377 DolphinView::Sorting DolphinView::sorting() const
378 {
379 KItemModelBase* model = m_container->controller()->model();
380 return sortingForSortRole(model->sortRole());
381 }
382
383 void DolphinView::setSortOrder(Qt::SortOrder order)
384 {
385 if (sortOrder() != order) {
386 updateSortOrder(order);
387 }
388 }
389
390 Qt::SortOrder DolphinView::sortOrder() const
391 {
392 KItemModelBase* model = fileItemModel();
393 return model->sortOrder();
394 }
395
396 void DolphinView::setSortFoldersFirst(bool foldersFirst)
397 {
398 if (sortFoldersFirst() != foldersFirst) {
399 updateSortFoldersFirst(foldersFirst);
400 }
401 }
402
403 bool DolphinView::sortFoldersFirst() const
404 {
405 KFileItemModel* model = fileItemModel();
406 return model->sortFoldersFirst();
407 }
408
409 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
410 {
411 const QList<AdditionalInfo> previousList = info;
412
413 ViewProperties props(url());
414 props.setAdditionalInfoList(info);
415
416 m_additionalInfoList = info;
417 applyAdditionalInfoListToView();
418
419 emit additionalInfoListChanged(m_additionalInfoList, previousList);
420 }
421
422 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
423 {
424 return m_additionalInfoList;
425 }
426
427 void DolphinView::reload()
428 {
429 QByteArray viewState;
430 QDataStream saveStream(&viewState, QIODevice::WriteOnly);
431 saveState(saveStream);
432
433 const KFileItemList itemList = selectedItems();
434 m_selectedUrls.clear();
435 m_selectedUrls = itemList.urlList();
436
437 setUrl(url());
438 loadDirectory(url(), true);
439
440 QDataStream restoreStream(viewState);
441 restoreState(restoreStream);
442 }
443
444 void DolphinView::stopLoading()
445 {
446 m_dirLister->stop();
447 }
448
449 void DolphinView::readSettings()
450 {
451 const int oldZoomLevel = m_container->zoomLevel();
452
453 GeneralSettings::self()->readConfig();
454 m_container->readSettings();
455 applyViewProperties();
456
457 const int newZoomLevel = m_container->zoomLevel();
458 if (newZoomLevel != oldZoomLevel) {
459 emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
460 }
461 }
462
463 void DolphinView::writeSettings()
464 {
465 GeneralSettings::self()->writeConfig();
466 m_container->writeSettings();
467 }
468
469 void DolphinView::setNameFilter(const QString& nameFilter)
470 {
471 fileItemModel()->setNameFilter(nameFilter);
472 }
473
474 QString DolphinView::nameFilter() const
475 {
476 return fileItemModel()->nameFilter();
477 }
478
479 void DolphinView::calculateItemCount(int& fileCount,
480 int& folderCount,
481 KIO::filesize_t& totalFileSize) const
482 {
483 foreach (const KFileItem& item, m_dirLister->items()) {
484 if (item.isDir()) {
485 ++folderCount;
486 } else {
487 ++fileCount;
488 totalFileSize += item.size();
489 }
490 }
491 }
492
493 QString DolphinView::statusBarText() const
494 {
495 QString summary;
496 QString foldersText;
497 QString filesText;
498
499 int folderCount = 0;
500 int fileCount = 0;
501 KIO::filesize_t totalFileSize = 0;
502
503 if (hasSelection()) {
504 // Give a summary of the status of the selected files
505 const KFileItemList list = selectedItems();
506 foreach (const KFileItem& item, list) {
507 if (item.isDir()) {
508 ++folderCount;
509 } else {
510 ++fileCount;
511 totalFileSize += item.size();
512 }
513 }
514
515 if (folderCount + fileCount == 1) {
516 // If only one item is selected, show the filename
517 filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
518 } else {
519 // At least 2 items are selected
520 foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
521 filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
522 }
523 } else {
524 calculateItemCount(fileCount, folderCount, totalFileSize);
525 foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
526 filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
527 }
528
529 if (fileCount > 0 && folderCount > 0) {
530 summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
531 foldersText, filesText, fileSizeText(totalFileSize));
532 } else if (fileCount > 0) {
533 summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
534 } else if (folderCount > 0) {
535 summary = foldersText;
536 }
537
538 return summary;
539 }
540
541 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
542 {
543 QList<QAction*> actions;
544
545 if (items.isEmpty()) {
546 const KFileItem item = fileItemModel()->rootItem();
547 actions = m_versionControlObserver->actions(KFileItemList() << item);
548 } else {
549 actions = m_versionControlObserver->actions(items);
550 }
551
552 return actions;
553 }
554
555 void DolphinView::setUrl(const KUrl& url)
556 {
557 if (url == m_url) {
558 return;
559 }
560
561 emit urlAboutToBeChanged(url);
562 m_url = url;
563
564 hideToolTip();
565
566 // It is important to clear the items from the model before
567 // applying the view properties, otherwise expensive operations
568 // might be done on the existing items although they get cleared
569 // anyhow afterwards by loadDirectory().
570 fileItemModel()->clear();
571 applyViewProperties();
572 loadDirectory(url);
573
574 emit urlChanged(url);
575 }
576
577 void DolphinView::selectAll()
578 {
579 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
580 selectionManager->setSelected(0, fileItemModel()->count());
581 }
582
583 void DolphinView::invertSelection()
584 {
585 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
586 selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
587 }
588
589 void DolphinView::clearSelection()
590 {
591 m_container->controller()->selectionManager()->clearSelection();
592 }
593
594 void DolphinView::renameSelectedItems()
595 {
596 KFileItemList items = selectedItems();
597 const int itemCount = items.count();
598 if (itemCount < 1) {
599 return;
600 }
601
602 // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
603 // renaming yet.
604 /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
605 const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
606 const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
607 m_viewAccessor.itemView()->edit(proxyIndex);
608 } else {*/
609 RenameDialog* dialog = new RenameDialog(this, items);
610 dialog->setAttribute(Qt::WA_DeleteOnClose);
611 dialog->show();
612 dialog->raise();
613 dialog->activateWindow();
614 //}
615
616 // assure that the current index remains visible when KDirLister
617 // will notify the view about changed items
618 m_assureVisibleCurrentIndex = true;
619 }
620
621 void DolphinView::trashSelectedItems()
622 {
623 const KUrl::List list = simplifiedSelectedUrls();
624 KonqOperations::del(this, KonqOperations::TRASH, list);
625 }
626
627 void DolphinView::deleteSelectedItems()
628 {
629 const KUrl::List list = simplifiedSelectedUrls();
630 const bool del = KonqOperations::askDeleteConfirmation(list,
631 KonqOperations::DEL,
632 KonqOperations::DEFAULT_CONFIRMATION,
633 this);
634
635 if (del) {
636 KIO::Job* job = KIO::del(list);
637 connect(job, SIGNAL(result(KJob*)),
638 this, SLOT(slotDeleteFileFinished(KJob*)));
639 }
640 }
641
642 void DolphinView::cutSelectedItems()
643 {
644 QMimeData* mimeData = selectionMimeData();
645 KonqMimeData::addIsCutSelection(mimeData, true);
646 QApplication::clipboard()->setMimeData(mimeData);
647 }
648
649 void DolphinView::copySelectedItems()
650 {
651 QMimeData* mimeData = selectionMimeData();
652 QApplication::clipboard()->setMimeData(mimeData);
653 }
654
655 void DolphinView::paste()
656 {
657 pasteToUrl(url());
658 }
659
660 void DolphinView::pasteIntoFolder()
661 {
662 const KFileItemList items = selectedItems();
663 if ((items.count() == 1) && items.first().isDir()) {
664 pasteToUrl(items.first().url());
665 }
666 }
667
668 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
669 {
670 switch (event->type()) {
671 case QEvent::FocusIn:
672 if (watched == m_container) {
673 setActive(true);
674 }
675 break;
676
677 default:
678 break;
679 }
680
681 return QWidget::eventFilter(watched, event);
682 }
683
684 void DolphinView::wheelEvent(QWheelEvent* event)
685 {
686 if (event->modifiers().testFlag(Qt::ControlModifier)) {
687 const int numDegrees = event->delta() / 8;
688 const int numSteps = numDegrees / 15;
689
690 setZoomLevel(zoomLevel() + numSteps);
691 event->accept();
692 } else {
693 event->ignore();
694 }
695 }
696
697 void DolphinView::hideEvent(QHideEvent* event)
698 {
699 hideToolTip();
700 QWidget::hideEvent(event);
701 }
702
703 void DolphinView::activate()
704 {
705 setActive(true);
706 }
707
708 void DolphinView::slotItemActivated(int index)
709 {
710 const KFileItem item = fileItemModel()->fileItem(index);
711 if (!item.isNull()) {
712 emit itemActivated(item);
713 }
714 }
715
716 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
717 {
718 Q_ASSERT(indexes.count() >= 2);
719
720 KFileItemList items;
721
722 KFileItemModel* model = fileItemModel();
723 QSetIterator<int> it(indexes);
724 while (it.hasNext()) {
725 const int index = it.next();
726 items.append(model->fileItem(index));
727 }
728
729 foreach (const KFileItem& item, items) {
730 if (item.isDir()) {
731 emit tabRequested(item.url());
732 } else {
733 emit itemActivated(item);
734 }
735 }
736 }
737
738 void DolphinView::slotItemMiddleClicked(int index)
739 {
740 const KFileItem item = fileItemModel()->fileItem(index);
741 if (item.isDir() || isTabsForFilesEnabled()) {
742 emit tabRequested(item.url());
743 }
744 }
745
746 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
747 {
748 const KFileItem item = fileItemModel()->fileItem(index);
749 emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
750 }
751
752 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
753 {
754 emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
755 }
756
757 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
758 {
759 QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
760
761 KItemListView* view = m_container->controller()->view();
762 const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
763
764 // Add all roles to the menu that can be shown or hidden by the user
765 const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
766 const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
767 foreach (const DolphinView::AdditionalInfo info, keys) {
768 const QByteArray& role = infoAccessor.role(info);
769 if (role != "name") {
770 const QString text = fileItemModel()->roleDescription(role);
771
772 QAction* action = menu.data()->addAction(text);
773 action->setCheckable(true);
774 action->setChecked(visibleRolesSet.contains(role));
775 action->setData(info);
776 }
777 }
778
779 QAction* action = menu.data()->exec(pos.toPoint());
780 if (action) {
781 // Show or hide the selected role
782 const DolphinView::AdditionalInfo info =
783 static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
784
785 ViewProperties props(url());
786 QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
787
788 const QByteArray selectedRole = infoAccessor.role(info);
789 QList<QByteArray> visibleRoles = view->visibleRoles();
790
791 if (action->isChecked()) {
792 const int index = keys.indexOf(info) + 1;
793 visibleRoles.insert(index, selectedRole);
794 infoList.insert(index, info);
795 } else {
796 visibleRoles.removeOne(selectedRole);
797 infoList.removeOne(info);
798 }
799
800 view->setVisibleRoles(visibleRoles);
801 props.setAdditionalInfoList(infoList);
802 }
803
804 delete menu.data();
805 }
806
807 void DolphinView::slotItemHovered(int index)
808 {
809 const KFileItem item = fileItemModel()->fileItem(index);
810
811 if (GeneralSettings::showToolTips() && QApplication::mouseButtons() == Qt::NoButton) {
812 QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
813 const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
814 itemRect.moveTo(pos);
815
816 m_toolTipManager->showToolTip(item, itemRect);
817 }
818
819 emit requestItemInfo(item);
820 }
821
822 void DolphinView::slotItemUnhovered(int index)
823 {
824 Q_UNUSED(index);
825 hideToolTip();
826 emit requestItemInfo(KFileItem());
827 }
828
829 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
830 {
831 KUrl destUrl;
832 KFileItem destItem = fileItemModel()->fileItem(index);
833 if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
834 // Use the URL of the view as drop target if the item is no directory
835 // or desktop-file
836 destItem = fileItemModel()->rootItem();
837 destUrl = url();
838 } else {
839 // The item represents a directory or desktop-file
840 destUrl = destItem.url();
841 }
842
843 QDropEvent dropEvent(event->pos().toPoint(),
844 event->possibleActions(),
845 event->mimeData(),
846 event->buttons(),
847 event->modifiers());
848
849 const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
850 if (!error.isEmpty()) {
851 emit errorMessage(error);
852 }
853 }
854
855 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
856 {
857 if (previous != 0) {
858 disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
859 }
860
861 Q_ASSERT(qobject_cast<KFileItemModel*>(current));
862 connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
863
864 KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
865 m_versionControlObserver->setModel(fileItemModel);
866 }
867
868 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
869 {
870 const int currentCount = current.count();
871 const int previousCount = previous.count();
872 const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) ||
873 (currentCount > 0 && previousCount == 0);
874
875 // If nothing has been selected before and something got selected (or if something
876 // was selected before and now nothing is selected) the selectionChangedSignal must
877 // be emitted asynchronously as fast as possible to update the edit-actions.
878 m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
879 m_selectionChangedTimer->start();
880 }
881
882 void DolphinView::emitSelectionChangedSignal()
883 {
884 m_selectionChangedTimer->stop();
885 emit selectionChanged(selectedItems());
886 }
887
888 void DolphinView::updateSorting(DolphinView::Sorting sorting)
889 {
890 ViewProperties props(url());
891 props.setSorting(sorting);
892
893 KItemModelBase* model = m_container->controller()->model();
894 model->setSortRole(sortRoleForSorting(sorting));
895
896 emit sortingChanged(sorting);
897 }
898
899 void DolphinView::updateSortOrder(Qt::SortOrder order)
900 {
901 ViewProperties props(url());
902 props.setSortOrder(order);
903
904 KItemModelBase* model = fileItemModel();
905 model->setSortOrder(order);
906
907 emit sortOrderChanged(order);
908 }
909
910 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
911 {
912 ViewProperties props(url());
913 props.setSortFoldersFirst(foldersFirst);
914
915 KFileItemModel* model = fileItemModel();
916 model->setSortFoldersFirst(foldersFirst);
917
918 emit sortFoldersFirstChanged(foldersFirst);
919 }
920
921 QPair<bool, QString> DolphinView::pasteInfo() const
922 {
923 return KonqOperations::pasteInfo(url());
924 }
925
926 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
927 {
928 m_tabsForFiles = tabsForFiles;
929 }
930
931 bool DolphinView::isTabsForFilesEnabled() const
932 {
933 return m_tabsForFiles;
934 }
935
936 bool DolphinView::itemsExpandable() const
937 {
938 return m_mode == DetailsView;
939 }
940
941 void DolphinView::restoreState(QDataStream& stream)
942 {
943 // Restore the current item that had the keyboard focus
944 stream >> m_currentItemUrl;
945
946 // Restore the view position
947 stream >> m_restoredContentsPosition;
948
949 // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
950 QSet<KUrl> urls;
951 stream >> urls;
952 fileItemModel()->restoreExpandedUrls(urls);
953 }
954
955 void DolphinView::saveState(QDataStream& stream)
956 {
957 // Save the current item that has the keyboard focus
958 const int currentIndex = m_container->controller()->selectionManager()->currentItem();
959 if (currentIndex != -1) {
960 KFileItem item = fileItemModel()->fileItem(currentIndex);
961 Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
962 KUrl currentItemUrl = item.url();
963 stream << currentItemUrl;
964 } else {
965 stream << KUrl();
966 }
967
968 // Save view position
969 const qreal x = m_container->horizontalScrollBar()->value();
970 const qreal y = m_container->verticalScrollBar()->value();
971 stream << QPoint(x, y);
972
973 // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
974 stream << fileItemModel()->expandedUrls();
975 }
976
977 bool DolphinView::hasSelection() const
978 {
979 return m_container->controller()->selectionManager()->hasSelection();
980 }
981
982 KFileItem DolphinView::rootItem() const
983 {
984 return m_dirLister->rootItem();
985 }
986
987 void DolphinView::observeCreatedItem(const KUrl& url)
988 {
989 m_createdItemUrl = url;
990 //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
991 // this, SLOT(selectAndScrollToCreatedItem()));
992 }
993
994 void DolphinView::selectAndScrollToCreatedItem()
995 {
996 /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
997 if (dirIndex.isValid()) {
998 const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
999 QAbstractItemView* view = m_viewAccessor.itemView();
1000 if (view) {
1001 view->setCurrentIndex(proxyIndex);
1002 }
1003 }
1004
1005 disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1006 this, SLOT(selectAndScrollToCreatedItem()));*/
1007 m_createdItemUrl = KUrl();
1008 }
1009
1010 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1011 {
1012 if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1013 emit redirection(oldUrl, newUrl);
1014 m_url = newUrl; // #186947
1015 }
1016 }
1017
1018 void DolphinView::updateViewState()
1019 {
1020 if (m_currentItemUrl != KUrl()) {
1021 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1022 const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1023 if (currentIndex != -1) {
1024 selectionManager->setCurrentItem(currentIndex);
1025 } else {
1026 selectionManager->setCurrentItem(0);
1027 }
1028 m_currentItemUrl = KUrl();
1029 }
1030
1031 if (!m_restoredContentsPosition.isNull()) {
1032 const int x = m_restoredContentsPosition.x();
1033 const int y = m_restoredContentsPosition.y();
1034 m_restoredContentsPosition = QPoint();
1035
1036 m_container->horizontalScrollBar()->setValue(x);
1037 m_container->verticalScrollBar()->setValue(y);
1038 }
1039
1040 if (!m_selectedUrls.isEmpty()) {
1041 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1042 QSet<int> selectedItems = selectionManager->selectedItems();
1043 const KFileItemModel* model = fileItemModel();
1044
1045 foreach (const KUrl& url, m_selectedUrls) {
1046 const int index = model->index(url);
1047 if (index >= 0) {
1048 selectedItems.insert(index);
1049 }
1050 }
1051
1052 selectionManager->setSelectedItems(selectedItems);
1053 m_selectedUrls.clear();
1054 }
1055 }
1056
1057 void DolphinView::hideToolTip()
1058 {
1059 if (GeneralSettings::showToolTips()) {
1060 m_toolTipManager->hideToolTip();
1061 }
1062 }
1063
1064 void DolphinView::showHoverInformation(const KFileItem& item)
1065 {
1066 emit requestItemInfo(item);
1067 }
1068
1069 void DolphinView::clearHoverInformation()
1070 {
1071 emit requestItemInfo(KFileItem());
1072 }
1073
1074 void DolphinView::slotDeleteFileFinished(KJob* job)
1075 {
1076 if (job->error() == 0) {
1077 emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1078 } else if (job->error() != KIO::ERR_USER_CANCELED) {
1079 emit errorMessage(job->errorString());
1080 }
1081 }
1082
1083 void DolphinView::slotDirListerStarted(const KUrl& url)
1084 {
1085 // Disable the writestate temporary until it can be determined in a fast way
1086 // in DolphinView::slotLoadingCompleted()
1087 if (m_isFolderWritable) {
1088 m_isFolderWritable = false;
1089 emit writeStateChanged(m_isFolderWritable);
1090 }
1091
1092 emit startedPathLoading(url);
1093 }
1094
1095 void DolphinView::slotLoadingCompleted()
1096 {
1097 // Update the view-state. This has to be done using a Qt::QueuedConnection
1098 // because the view might not be in its final state yet (the view also
1099 // listens to the completed()-signal from KDirLister and the order of
1100 // of slots is undefined).
1101 QTimer::singleShot(0, this, SLOT(updateViewState()));
1102
1103 emit finishedPathLoading(url());
1104
1105 updateWritableState();
1106 }
1107
1108 void DolphinView::slotRefreshItems()
1109 {
1110 if (m_assureVisibleCurrentIndex) {
1111 m_assureVisibleCurrentIndex = false;
1112 //QAbstractItemView* view = m_viewAccessor.itemView();
1113 //if (view) {
1114 // m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1115 //}
1116 }
1117 }
1118
1119 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1120 {
1121 Q_UNUSED(previous);
1122 Q_ASSERT(fileItemModel()->sortOrder() == current);
1123
1124 ViewProperties props(url());
1125 props.setSortOrder(current);
1126
1127 emit sortOrderChanged(current);
1128 }
1129
1130 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1131 {
1132 Q_UNUSED(previous);
1133 Q_ASSERT(fileItemModel()->sortRole() == current);
1134
1135 ViewProperties props(url());
1136 const Sorting sorting = sortingForSortRole(current);
1137 props.setSorting(sorting);
1138
1139 emit sortingChanged(sorting);
1140 }
1141
1142 KFileItemModel* DolphinView::fileItemModel() const
1143 {
1144 return static_cast<KFileItemModel*>(m_container->controller()->model());
1145 }
1146
1147 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1148 {
1149 if (!url.isValid()) {
1150 const QString location(url.pathOrUrl());
1151 if (location.isEmpty()) {
1152 emit errorMessage(i18nc("@info:status", "The location is empty."));
1153 } else {
1154 emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1155 }
1156 return;
1157 }
1158
1159 m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1160 }
1161
1162 void DolphinView::applyViewProperties()
1163 {
1164 m_container->beginTransaction();
1165
1166 const ViewProperties props(url());
1167 KFileItemModel* model = fileItemModel();
1168
1169 const Mode mode = props.viewMode();
1170 if (m_mode != mode) {
1171 const Mode previousMode = m_mode;
1172 m_mode = mode;
1173
1174 // Changing the mode might result in changing
1175 // the zoom level. Remember the old zoom level so
1176 // that zoomLevelChanged() can get emitted.
1177 const int oldZoomLevel = m_container->zoomLevel();
1178
1179 switch (m_mode) {
1180 case IconsView: m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1181 case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1182 case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1183 default: Q_ASSERT(false); break;
1184 }
1185
1186 emit modeChanged(m_mode, previousMode);
1187
1188 if (m_container->zoomLevel() != oldZoomLevel) {
1189 emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1190 }
1191 }
1192
1193 const bool hiddenFilesShown = props.hiddenFilesShown();
1194 if (hiddenFilesShown != model->showHiddenFiles()) {
1195 model->setShowHiddenFiles(hiddenFilesShown);
1196 emit hiddenFilesShownChanged(hiddenFilesShown);
1197 }
1198
1199 const bool groupedSorting = props.groupedSorting();
1200 if (groupedSorting != model->groupedSorting()) {
1201 model->setGroupedSorting(groupedSorting);
1202 emit groupedSortingChanged(groupedSorting);
1203 }
1204
1205 const DolphinView::Sorting sorting = props.sorting();
1206 const QByteArray newSortRole = sortRoleForSorting(sorting);
1207 if (newSortRole != model->sortRole()) {
1208 model->setSortRole(newSortRole);
1209 emit sortingChanged(sorting);
1210 }
1211
1212 const Qt::SortOrder sortOrder = props.sortOrder();
1213 if (sortOrder != model->sortOrder()) {
1214 model->setSortOrder(sortOrder);
1215 emit sortOrderChanged(sortOrder);
1216 }
1217
1218 const bool sortFoldersFirst = props.sortFoldersFirst();
1219 if (sortFoldersFirst != model->sortFoldersFirst()) {
1220 model->setSortFoldersFirst(sortFoldersFirst);
1221 emit sortFoldersFirstChanged(sortFoldersFirst);
1222 }
1223
1224 const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1225 if (infoList != m_additionalInfoList) {
1226 const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1227 m_additionalInfoList = infoList;
1228 applyAdditionalInfoListToView();
1229 emit additionalInfoListChanged(m_additionalInfoList, previousList);
1230 }
1231
1232 const bool previewsShown = props.previewsShown();
1233 if (previewsShown != m_container->previewsShown()) {
1234 const int oldZoomLevel = zoomLevel();
1235
1236 m_container->setPreviewsShown(previewsShown);
1237 emit previewsShownChanged(previewsShown);
1238
1239 // Changing the preview-state might result in a changed zoom-level
1240 if (oldZoomLevel != zoomLevel()) {
1241 emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1242 }
1243 }
1244
1245 m_container->endTransaction();
1246 }
1247
1248 void DolphinView::applyAdditionalInfoListToView()
1249 {
1250 const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1251
1252 QList<QByteArray> visibleRoles;
1253 visibleRoles.reserve(m_additionalInfoList.count() + 1);
1254 visibleRoles.append("name");
1255
1256 foreach (AdditionalInfo info, m_additionalInfoList) {
1257 visibleRoles.append(infoAccessor.role(info));
1258 }
1259
1260 m_container->setVisibleRoles(visibleRoles);
1261 }
1262
1263 void DolphinView::pasteToUrl(const KUrl& url)
1264 {
1265 markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1266 KonqOperations::doPaste(this, url);
1267 }
1268
1269 KUrl::List DolphinView::simplifiedSelectedUrls() const
1270 {
1271 KUrl::List urls;
1272
1273 const KFileItemList items = selectedItems();
1274 foreach (const KFileItem &item, items) {
1275 urls.append(item.url());
1276 }
1277
1278 if (itemsExpandable()) {
1279 // TODO: Check if we still need KDirModel for this in KDE 5.0
1280 urls = KDirModel::simplifiedUrlList(urls);
1281 }
1282
1283 return urls;
1284 }
1285
1286 QMimeData* DolphinView::selectionMimeData() const
1287 {
1288 const KFileItemModel* model = fileItemModel();
1289 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1290 const QSet<int> selectedIndexes = selectionManager->selectedItems();
1291
1292 return model->createMimeData(selectedIndexes);
1293 }
1294
1295 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1296 {
1297 const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1298 markUrlsAsSelected(urls);
1299 }
1300
1301 void DolphinView::updateWritableState()
1302 {
1303 const bool wasFolderWritable = m_isFolderWritable;
1304 m_isFolderWritable = true;
1305
1306 const KFileItem item = m_dirLister->rootItem();
1307 if (!item.isNull()) {
1308 KFileItemListProperties capabilities(KFileItemList() << item);
1309 m_isFolderWritable = capabilities.supportsWriting();
1310 }
1311 if (m_isFolderWritable != wasFolderWritable) {
1312 emit writeStateChanged(m_isFolderWritable);
1313 }
1314 }
1315
1316 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1317 {
1318 switch (sorting) {
1319 case SortByName: return "name";
1320 case SortBySize: return "size";
1321 case SortByDate: return "date";
1322 case SortByPermissions: return "permissions";
1323 case SortByOwner: return "owner";
1324 case SortByGroup: return "group";
1325 case SortByType: return "type";
1326 case SortByDestination: return "destination";
1327 case SortByPath: return "path";
1328 default: break;
1329 }
1330
1331 return QByteArray();
1332 }
1333
1334 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1335 {
1336 static QHash<QByteArray, DolphinView::Sorting> sortHash;
1337 if (sortHash.isEmpty()) {
1338 sortHash.insert("name", SortByName);
1339 sortHash.insert("size", SortBySize);
1340 sortHash.insert("date", SortByDate);
1341 sortHash.insert("permissions", SortByPermissions);
1342 sortHash.insert("owner", SortByOwner);
1343 sortHash.insert("group", SortByGroup);
1344 sortHash.insert("type", SortByType);
1345 sortHash.insert("destination", SortByDestination);
1346 sortHash.insert("path", SortByPath);
1347 }
1348 return sortHash.value(sortRole);
1349 }
1350
1351 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1352 {
1353 const KLocale* locale = KGlobal::locale();
1354 const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1355 ? 1000 : 1024;
1356
1357 QString text;
1358 if (fileSize < multiplier) {
1359 // Show the size in bytes
1360 text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1361 } else if (fileSize < multiplier * multiplier) {
1362 // Show the size in kilobytes and always round up. This is done
1363 // for consistency with the values shown e.g. in the "Size" column
1364 // of the details-view.
1365 fileSize += (multiplier / 2) - 1;
1366 text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1367 } else {
1368 // Show the size in the best fitting unit having one decimal
1369 text = locale->formatByteSize(fileSize, 1);
1370 }
1371 return text;
1372 }
1373
1374 #include "dolphinview.moc"