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