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Rough draft for getting back the header for the 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 KItemModelBase* model = m_container->controller()->model();
362 return sortingForSortRole(model->sortRole());
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 KItemModelBase* model = fileItemModel();
375 return model->sortOrder();
376 }
377
378 void DolphinView::setSortFoldersFirst(bool foldersFirst)
379 {
380 if (sortFoldersFirst() != foldersFirst) {
381 updateSortFoldersFirst(foldersFirst);
382 }
383 }
384
385 bool DolphinView::sortFoldersFirst() const
386 {
387 KFileItemModel* model = fileItemModel();
388 return model->sortFoldersFirst();
389 }
390
391 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
392 {
393 const QList<AdditionalInfo> previousList = info;
394
395 ViewProperties props(url());
396 props.setAdditionalInfoList(info);
397
398 m_additionalInfoList = info;
399 applyAdditionalInfoListToView();
400
401 emit additionalInfoListChanged(m_additionalInfoList, previousList);
402 }
403
404 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
405 {
406 return m_additionalInfoList;
407 }
408
409 void DolphinView::reload()
410 {
411 QByteArray viewState;
412 QDataStream saveStream(&viewState, QIODevice::WriteOnly);
413 saveState(saveStream);
414 m_selectedItems= selectedItems();
415
416 setUrl(url());
417 loadDirectory(url(), true);
418
419 QDataStream restoreStream(viewState);
420 restoreState(restoreStream);
421 }
422
423 void DolphinView::stopLoading()
424 {
425 m_dirLister->stop();
426 }
427
428 void DolphinView::refresh()
429 {
430 const bool oldActivationState = m_active;
431 const int oldZoomLevel = zoomLevel();
432 m_active = true;
433
434 applyViewProperties();
435 reload();
436
437 setActive(oldActivationState);
438 updateZoomLevel(oldZoomLevel);
439 }
440
441 void DolphinView::setNameFilter(const QString& nameFilter)
442 {
443 Q_UNUSED(nameFilter);
444 //m_viewModeController->setNameFilter(nameFilter);
445 }
446
447 QString DolphinView::nameFilter() const
448 {
449 return QString(); //m_viewModeController->nameFilter();
450 }
451
452 void DolphinView::calculateItemCount(int& fileCount,
453 int& folderCount,
454 KIO::filesize_t& totalFileSize) const
455 {
456 foreach (const KFileItem& item, m_dirLister->items()) {
457 if (item.isDir()) {
458 ++folderCount;
459 } else {
460 ++fileCount;
461 totalFileSize += item.size();
462 }
463 }
464 }
465
466 QString DolphinView::statusBarText() const
467 {
468 QString text;
469 int folderCount = 0;
470 int fileCount = 0;
471 KIO::filesize_t totalFileSize = 0;
472
473 if (hasSelection()) {
474 // give a summary of the status of the selected files
475 const KFileItemList list = selectedItems();
476 if (list.isEmpty()) {
477 // when an item is triggered, it is temporary selected but selectedItems()
478 // will return an empty list
479 return text;
480 }
481
482 KFileItemList::const_iterator it = list.begin();
483 const KFileItemList::const_iterator end = list.end();
484 while (it != end) {
485 const KFileItem& item = *it;
486 if (item.isDir()) {
487 ++folderCount;
488 } else {
489 ++fileCount;
490 totalFileSize += item.size();
491 }
492 ++it;
493 }
494
495 if (folderCount + fileCount == 1) {
496 // if only one item is selected, show the filename
497 const QString name = list.first().text();
498 text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
499 i18nc("@info:status", "<filename>%1</filename> selected (%2)",
500 name, KIO::convertSize(totalFileSize));
501 } else {
502 // at least 2 items are selected
503 const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
504 const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
505 if ((folderCount > 0) && (fileCount > 0)) {
506 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
507 foldersText, filesText, KIO::convertSize(totalFileSize));
508 } else if (fileCount > 0) {
509 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
510 } else {
511 Q_ASSERT(folderCount > 0);
512 text = foldersText;
513 }
514 }
515 } else {
516 calculateItemCount(fileCount, folderCount, totalFileSize);
517 text = KIO::itemsSummaryString(fileCount + folderCount,
518 fileCount, folderCount,
519 totalFileSize, true);
520 }
521
522 return text;
523 }
524
525 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
526 {
527 QList<QAction*> actions;
528
529 if (items.isEmpty()) {
530 const KFileItem item = fileItemModel()->rootItem();
531 actions = m_versionControlObserver->actions(KFileItemList() << item);
532 } else {
533 actions = m_versionControlObserver->actions(items);
534 }
535
536 return actions;
537 }
538
539 void DolphinView::setUrl(const KUrl& url)
540 {
541 if (url == m_url) {
542 return;
543 }
544
545 emit urlAboutToBeChanged(url);
546 m_url = url;
547
548 if (GeneralSettings::showToolTips()) {
549 m_toolTipManager->hideToolTip();
550 }
551
552 // It is important to clear the items from the model before
553 // applying the view properties, otherwise expensive operations
554 // might be done on the existing items although they get cleared
555 // anyhow afterwards by loadDirectory().
556 fileItemModel()->clear();
557 applyViewProperties();
558 loadDirectory(url);
559
560 emit urlChanged(url);
561 }
562
563 void DolphinView::selectAll()
564 {
565 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
566 selectionManager->setSelected(0, fileItemModel()->count());
567 }
568
569 void DolphinView::invertSelection()
570 {
571 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
572 selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
573 }
574
575 void DolphinView::clearSelection()
576 {
577 m_container->controller()->selectionManager()->clearSelection();
578 }
579
580 void DolphinView::renameSelectedItems()
581 {
582 KFileItemList items = selectedItems();
583 const int itemCount = items.count();
584 if (itemCount < 1) {
585 return;
586 }
587
588 /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
589 const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
590 const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
591 m_viewAccessor.itemView()->edit(proxyIndex);
592 } else {*/
593 RenameDialog* dialog = new RenameDialog(this, items);
594 dialog->setAttribute(Qt::WA_DeleteOnClose);
595 dialog->show();
596 dialog->raise();
597 dialog->activateWindow();
598 //}
599
600 // assure that the current index remains visible when KDirLister
601 // will notify the view about changed items
602 m_assureVisibleCurrentIndex = true;
603 }
604
605 void DolphinView::trashSelectedItems()
606 {
607 const KUrl::List list = simplifiedSelectedUrls();
608 KonqOperations::del(this, KonqOperations::TRASH, list);
609 }
610
611 void DolphinView::deleteSelectedItems()
612 {
613 const KUrl::List list = simplifiedSelectedUrls();
614 const bool del = KonqOperations::askDeleteConfirmation(list,
615 KonqOperations::DEL,
616 KonqOperations::DEFAULT_CONFIRMATION,
617 this);
618
619 if (del) {
620 KIO::Job* job = KIO::del(list);
621 connect(job, SIGNAL(result(KJob*)),
622 this, SLOT(slotDeleteFileFinished(KJob*)));
623 }
624 }
625
626 void DolphinView::cutSelectedItems()
627 {
628 QMimeData* mimeData = selectionMimeData();
629 KonqMimeData::addIsCutSelection(mimeData, true);
630 QApplication::clipboard()->setMimeData(mimeData);
631 }
632
633 void DolphinView::copySelectedItems()
634 {
635 QMimeData* mimeData = selectionMimeData();
636 QApplication::clipboard()->setMimeData(mimeData);
637 }
638
639 void DolphinView::paste()
640 {
641 pasteToUrl(url());
642 }
643
644 void DolphinView::pasteIntoFolder()
645 {
646 const KFileItemList items = selectedItems();
647 if ((items.count() == 1) && items.first().isDir()) {
648 pasteToUrl(items.first().url());
649 }
650 }
651
652 void DolphinView::setPreviewsShown(bool show)
653 {
654 if (previewsShown() == show) {
655 return;
656 }
657
658 ViewProperties props(url());
659 props.setPreviewsShown(show);
660
661 m_container->setPreviewsShown(show);
662 emit previewsShownChanged(show);
663 }
664
665 void DolphinView::setHiddenFilesShown(bool show)
666 {
667 if (m_dirLister->showingDotFiles() == show) {
668 return;
669 }
670
671 m_selectedItems = selectedItems();
672
673 ViewProperties props(url());
674 props.setHiddenFilesShown(show);
675
676 m_dirLister->setShowingDotFiles(show);
677 m_dirLister->emitChanges();
678 emit hiddenFilesShownChanged(show);
679 }
680
681 void DolphinView::setCategorizedSorting(bool categorized)
682 {
683 if (categorized == categorizedSorting()) {
684 return;
685 }
686
687 ViewProperties props(url());
688 props.setCategorizedSorting(categorized);
689 props.save();
690
691 //m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
692
693 emit categorizedSortingChanged(categorized);
694 }
695
696 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
697 {
698 QWidget::mouseReleaseEvent(event);
699 setActive(true);
700 }
701
702 void DolphinView::contextMenuEvent(QContextMenuEvent* event)
703 {
704 Q_UNUSED(event);
705
706 const QPoint pos = m_container->mapFromGlobal(QCursor::pos());
707 const KItemListView* view = m_container->controller()->view();
708 if (view->itemAt(pos) < 0) {
709 // Only open the context-menu if the cursor is above the viewport
710 // (the context-menu for items is handled in slotContextMenuRequested())
711 requestContextMenu(KFileItem(), url(), QList<QAction*>());
712 }
713 }
714
715 void DolphinView::wheelEvent(QWheelEvent* event)
716 {
717 if (event->modifiers().testFlag(Qt::ControlModifier)) {
718 const int numDegrees = event->delta() / 8;
719 const int numSteps = numDegrees / 15;
720
721 setZoomLevel(zoomLevel() + numSteps);
722 }
723 event->accept();
724 }
725
726 void DolphinView::activate()
727 {
728 setActive(true);
729 }
730
731 void DolphinView::slotItemActivated(int index)
732 {
733 Q_UNUSED(index);
734
735 const KFileItemList items = selectedItems();
736 if (items.isEmpty()) {
737 return;
738 }
739
740 if (items.count() == 1) {
741 emit itemActivated(items.at(0)); // caught by DolphinViewContainer or DolphinPart
742 } else {
743 foreach (const KFileItem& item, items) {
744 if (item.isDir()) {
745 emit tabRequested(item.url());
746 } else {
747 emit itemActivated(item);
748 }
749 }
750 }
751 }
752
753 void DolphinView::slotItemMiddleClicked(int index)
754 {
755 const KFileItem item = fileItemModel()->fileItem(index);
756 if (item.isDir() || isTabsForFilesEnabled()) {
757 emit tabRequested(item.url());
758 }
759 }
760
761 void DolphinView::slotContextMenuRequested(int index, const QPointF& pos)
762 {
763 Q_UNUSED(pos);
764 if (GeneralSettings::showToolTips()) {
765 m_toolTipManager->hideToolTip();
766 }
767 const KFileItem item = fileItemModel()->fileItem(index);
768 emit requestContextMenu(item, url(), QList<QAction*>());
769 }
770
771 void DolphinView::slotItemExpansionToggleClicked(int index)
772 {
773 // TODO: When doing a model->setExpanded(false) it should
774 // be checked here whether the current index is part of the
775 // closed sub-tree. If this is the case, the current index
776 // should be adjusted to the parent index.
777 KFileItemModel* model = fileItemModel();
778 const bool expanded = model->isExpanded(index);
779 model->setExpanded(index, !expanded);
780 }
781
782 void DolphinView::slotItemHovered(int index)
783 {
784 const KFileItem item = fileItemModel()->fileItem(index);
785
786 if (GeneralSettings::showToolTips()) {
787 QRectF itemRect = m_container->controller()->view()->itemBoundingRect(index);
788 const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
789 itemRect.moveTo(pos);
790
791 m_toolTipManager->showToolTip(item, itemRect);
792 }
793
794 emit requestItemInfo(item);
795 }
796
797 void DolphinView::slotItemUnhovered(int index)
798 {
799 Q_UNUSED(index);
800 if (GeneralSettings::showToolTips()) {
801 m_toolTipManager->hideToolTip();
802 }
803 emit requestItemInfo(KFileItem());
804 }
805
806 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
807 {
808 const KFileItem destItem = fileItemModel()->fileItem(index);
809
810 QDropEvent dropEvent(event->pos().toPoint(),
811 event->possibleActions(),
812 event->mimeData(),
813 event->buttons(),
814 event->modifiers());
815
816 DragAndDropHelper::dropUrls(destItem, url(), &dropEvent, this);
817 }
818
819 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
820 {
821 if (previous != 0) {
822 disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
823 }
824
825 Q_ASSERT(qobject_cast<KFileItemModel*>(current));
826 connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
827
828 KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
829 m_versionControlObserver->setModel(fileItemModel);
830 }
831
832 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
833 {
834 const int currentCount = current.count();
835 const int previousCount = previous.count();
836 const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) ||
837 (currentCount > 0 && previousCount == 0);
838
839 // If nothing has been selected before and something got selected (or if something
840 // was selected before and now nothing is selected) the selectionChangedSignal must
841 // be emitted asynchronously as fast as possible to update the edit-actions.
842 m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
843 m_selectionChangedTimer->start();
844 }
845
846 void DolphinView::emitSelectionChangedSignal()
847 {
848 m_selectionChangedTimer->stop();
849 emit selectionChanged(selectedItems());
850 }
851
852 void DolphinView::openContextMenu(const QPoint& pos,
853 const QList<QAction*>& customActions)
854 {
855 KFileItem item;
856 const int index = m_container->controller()->view()->itemAt(pos);
857 if (index >= 0) {
858 item = fileItemModel()->fileItem(index);
859 }
860
861 emit requestContextMenu(item, url(), customActions);
862 }
863
864 void DolphinView::dropUrls(const KFileItem& destItem,
865 const KUrl& destPath,
866 QDropEvent* event)
867 {
868 Q_UNUSED(destItem);
869 Q_UNUSED(destPath);
870 markPastedUrlsAsSelected(event->mimeData());
871 //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
872 }
873
874 void DolphinView::updateSorting(DolphinView::Sorting sorting)
875 {
876 ViewProperties props(url());
877 props.setSorting(sorting);
878
879 KItemModelBase* model = m_container->controller()->model();
880 model->setSortRole(sortRoleForSorting(sorting));
881
882 emit sortingChanged(sorting);
883 }
884
885 void DolphinView::updateSortOrder(Qt::SortOrder order)
886 {
887 ViewProperties props(url());
888 props.setSortOrder(order);
889
890 KItemModelBase* model = fileItemModel();
891 model->setSortOrder(order);
892
893 emit sortOrderChanged(order);
894 }
895
896 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
897 {
898 ViewProperties props(url());
899 props.setSortFoldersFirst(foldersFirst);
900
901 KFileItemModel* model = fileItemModel();
902 model->setSortFoldersFirst(foldersFirst);
903
904 emit sortFoldersFirstChanged(foldersFirst);
905 }
906
907 QPair<bool, QString> DolphinView::pasteInfo() const
908 {
909 return KonqOperations::pasteInfo(url());
910 }
911
912 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
913 {
914 m_tabsForFiles = tabsForFiles;
915 }
916
917 bool DolphinView::isTabsForFilesEnabled() const
918 {
919 return m_tabsForFiles;
920 }
921
922 bool DolphinView::itemsExpandable() const
923 {
924 return m_mode == DetailsView;
925 }
926
927 void DolphinView::restoreState(QDataStream& stream)
928 {
929 // Restore the current item that had the keyboard focus
930 stream >> m_currentItemIndex;
931
932 // Restore the view position
933 stream >> m_restoredContentsPosition;
934
935 // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
936 QSet<KUrl> urls;
937 stream >> urls;
938 fileItemModel()->restoreExpandedUrls(urls);
939 }
940
941 void DolphinView::saveState(QDataStream& stream)
942 {
943 // Save the current item that has the keyboard focus
944 stream << m_container->controller()->selectionManager()->currentItem();
945
946 // Save view position
947 const qreal x = m_container->horizontalScrollBar()->value();
948 const qreal y = m_container->verticalScrollBar()->value();
949 stream << QPoint(x, y);
950
951 // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
952 stream << fileItemModel()->expandedUrls();
953 }
954
955 bool DolphinView::hasSelection() const
956 {
957 return m_container->controller()->selectionManager()->hasSelection();
958 }
959
960 KFileItem DolphinView::rootItem() const
961 {
962 return m_dirLister->rootItem();
963 }
964
965 void DolphinView::observeCreatedItem(const KUrl& url)
966 {
967 m_createdItemUrl = url;
968 //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
969 // this, SLOT(selectAndScrollToCreatedItem()));
970 }
971
972 void DolphinView::selectAndScrollToCreatedItem()
973 {
974 /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
975 if (dirIndex.isValid()) {
976 const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
977 QAbstractItemView* view = m_viewAccessor.itemView();
978 if (view) {
979 view->setCurrentIndex(proxyIndex);
980 }
981 }
982
983 disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
984 this, SLOT(selectAndScrollToCreatedItem()));*/
985 m_createdItemUrl = KUrl();
986 }
987
988 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
989 {
990 if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
991 emit redirection(oldUrl, newUrl);
992 m_url = newUrl; // #186947
993 }
994 }
995
996 void DolphinView::updateViewState()
997 {
998 if (m_currentItemIndex >= 0) {
999 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1000 selectionManager->setCurrentItem(m_currentItemIndex);
1001 m_currentItemIndex =-1;
1002 }
1003
1004 if (!m_restoredContentsPosition.isNull()) {
1005 const int x = m_restoredContentsPosition.x();
1006 const int y = m_restoredContentsPosition.y();
1007 m_restoredContentsPosition = QPoint();
1008
1009 m_container->horizontalScrollBar()->setValue(x);
1010 m_container->verticalScrollBar()->setValue(y);
1011 }
1012
1013 if (!m_selectedItems.isEmpty()) {
1014 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1015 QSet<int> selectedItems = selectionManager->selectedItems();
1016 const KFileItemModel* model = fileItemModel();
1017
1018 foreach (const KFileItem& selectedItem, m_selectedItems) {
1019 const int index = model->index(selectedItem);
1020 if (index >= 0) {
1021 selectedItems.insert(index);
1022 }
1023 }
1024
1025 selectionManager->setSelectedItems(selectedItems);
1026 m_selectedItems.clear();
1027 }
1028 }
1029
1030 void DolphinView::showHoverInformation(const KFileItem& item)
1031 {
1032 emit requestItemInfo(item);
1033 }
1034
1035 void DolphinView::clearHoverInformation()
1036 {
1037 emit requestItemInfo(KFileItem());
1038 }
1039
1040 void DolphinView::slotDeleteFileFinished(KJob* job)
1041 {
1042 if (job->error() == 0) {
1043 emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1044 } else if (job->error() != KIO::ERR_USER_CANCELED) {
1045 emit errorMessage(job->errorString());
1046 }
1047 }
1048
1049 void DolphinView::slotDirListerStarted(const KUrl& url)
1050 {
1051 // Disable the writestate temporary until it can be determined in a fast way
1052 // in DolphinView::slotLoadingCompleted()
1053 if (m_isFolderWritable) {
1054 m_isFolderWritable = false;
1055 emit writeStateChanged(m_isFolderWritable);
1056 }
1057
1058 emit startedPathLoading(url);
1059 }
1060
1061 void DolphinView::slotLoadingCompleted()
1062 {
1063 // Update the view-state. This has to be done using a Qt::QueuedConnection
1064 // because the view might not be in its final state yet (the view also
1065 // listens to the completed()-signal from KDirLister and the order of
1066 // of slots is undefined).
1067 QTimer::singleShot(0, this, SLOT(updateViewState()));
1068
1069 emit finishedPathLoading(url());
1070
1071 updateWritableState();
1072 }
1073
1074 void DolphinView::slotRefreshItems()
1075 {
1076 if (m_assureVisibleCurrentIndex) {
1077 m_assureVisibleCurrentIndex = false;
1078 //QAbstractItemView* view = m_viewAccessor.itemView();
1079 //if (view) {
1080 // m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1081 //}
1082 }
1083 }
1084
1085 KFileItemModel* DolphinView::fileItemModel() const
1086 {
1087 return static_cast<KFileItemModel*>(m_container->controller()->model());
1088 }
1089
1090 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1091 {
1092 if (!url.isValid()) {
1093 const QString location(url.pathOrUrl());
1094 if (location.isEmpty()) {
1095 emit errorMessage(i18nc("@info:status", "The location is empty."));
1096 } else {
1097 emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1098 }
1099 return;
1100 }
1101
1102 m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1103 }
1104
1105 void DolphinView::applyViewProperties()
1106 {
1107 m_container->beginTransaction();
1108
1109 const ViewProperties props(url());
1110
1111 const Mode mode = props.viewMode();
1112 if (m_mode != mode) {
1113 const Mode previousMode = m_mode;
1114 m_mode = mode;
1115
1116 // Changing the mode might result in changing
1117 // the zoom level. Remember the old zoom level so
1118 // that zoomLevelChanged() can get emitted.
1119 const int oldZoomLevel = m_container->zoomLevel();
1120
1121 switch (m_mode) {
1122 case IconsView: m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1123 case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1124 case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1125 default: Q_ASSERT(false); break;
1126 }
1127
1128 emit modeChanged(m_mode, previousMode);
1129
1130 if (m_container->zoomLevel() != oldZoomLevel) {
1131 emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1132 }
1133 }
1134
1135 const bool hiddenFilesShown = props.hiddenFilesShown();
1136 if (hiddenFilesShown != m_dirLister->showingDotFiles()) {
1137 m_dirLister->setShowingDotFiles(hiddenFilesShown);
1138 m_dirLister->emitChanges();
1139 emit hiddenFilesShownChanged(hiddenFilesShown);
1140 }
1141
1142 /* m_storedCategorizedSorting = props.categorizedSorting();
1143 const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1144 if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1145 m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1146 emit categorizedSortingChanged();
1147 }*/
1148
1149 const DolphinView::Sorting sorting = props.sorting();
1150 KFileItemModel* model = fileItemModel();
1151 const QByteArray newSortRole = sortRoleForSorting(sorting);
1152 if (newSortRole != model->sortRole()) {
1153 model->setSortRole(newSortRole);
1154 emit sortingChanged(sorting);
1155 }
1156
1157 const Qt::SortOrder sortOrder = props.sortOrder();
1158 if (sortOrder != model->sortOrder()) {
1159 model->setSortOrder(sortOrder);
1160 emit sortOrderChanged(sortOrder);
1161 }
1162
1163 const bool sortFoldersFirst = props.sortFoldersFirst();
1164 if (sortFoldersFirst != model->sortFoldersFirst()) {
1165 model->setSortFoldersFirst(sortFoldersFirst);
1166 emit sortFoldersFirstChanged(sortFoldersFirst);
1167 }
1168
1169 const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1170 if (infoList != m_additionalInfoList) {
1171 const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1172 m_additionalInfoList = infoList;
1173 applyAdditionalInfoListToView();
1174 emit additionalInfoListChanged(m_additionalInfoList, previousList);
1175 }
1176
1177 const bool previewsShown = props.previewsShown();
1178 if (previewsShown != m_container->previewsShown()) {
1179 const int oldZoomLevel = zoomLevel();
1180
1181 m_container->setPreviewsShown(previewsShown);
1182 emit previewsShownChanged(previewsShown);
1183
1184 // Changing the preview-state might result in a changed zoom-level
1185 if (oldZoomLevel != zoomLevel()) {
1186 emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1187 }
1188 }
1189
1190 m_container->endTransaction();
1191 }
1192
1193 void DolphinView::applyAdditionalInfoListToView()
1194 {
1195 const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1196
1197 QHash<QByteArray, int> visibleRoles;
1198 visibleRoles.insert("name", 0);
1199
1200 int index = 1;
1201 foreach (AdditionalInfo info, m_additionalInfoList) {
1202 visibleRoles.insert(infoAccessor.role(info), index);
1203 ++index;
1204 }
1205
1206 m_container->setVisibleRoles(visibleRoles);
1207 }
1208
1209 void DolphinView::pasteToUrl(const KUrl& url)
1210 {
1211 markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1212 KonqOperations::doPaste(this, url);
1213 }
1214
1215 void DolphinView::updateZoomLevel(int oldZoomLevel)
1216 {
1217 Q_UNUSED(oldZoomLevel);
1218 /* const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1219 if (oldZoomLevel != newZoomLevel) {
1220 m_viewModeController->setZoomLevel(newZoomLevel);
1221 emit zoomLevelChanged(newZoomLevel);
1222 }*/
1223 }
1224
1225 KUrl::List DolphinView::simplifiedSelectedUrls() const
1226 {
1227 KUrl::List urls;
1228
1229 const KFileItemList items = selectedItems();
1230 foreach (const KFileItem &item, items) {
1231 urls.append(item.url());
1232 }
1233
1234 if (itemsExpandable()) {
1235 // TODO: Check if we still need KDirModel for this in KDE 5.0
1236 urls = KDirModel::simplifiedUrlList(urls);
1237 }
1238
1239 return urls;
1240 }
1241
1242 QMimeData* DolphinView::selectionMimeData() const
1243 {
1244 const KFileItemModel* model = fileItemModel();
1245 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1246 const QSet<int> selectedIndexes = selectionManager->selectedItems();
1247
1248 return model->createMimeData(selectedIndexes);
1249 }
1250
1251 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1252 {
1253 const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1254 markUrlsAsSelected(urls);
1255 }
1256
1257 void DolphinView::updateWritableState()
1258 {
1259 const bool wasFolderWritable = m_isFolderWritable;
1260 m_isFolderWritable = true;
1261
1262 const KFileItem item = m_dirLister->rootItem();
1263 if (!item.isNull()) {
1264 KFileItemListProperties capabilities(KFileItemList() << item);
1265 m_isFolderWritable = capabilities.supportsWriting();
1266 }
1267 if (m_isFolderWritable != wasFolderWritable) {
1268 emit writeStateChanged(m_isFolderWritable);
1269 }
1270 }
1271
1272 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1273 {
1274 switch (sorting) {
1275 case SortByName: return "name";
1276 case SortBySize: return "size";
1277 case SortByDate: return "date";
1278 case SortByPermissions: return "permissions";
1279 case SortByOwner: return "owner";
1280 case SortByGroup: return "group";
1281 case SortByType: return "type";
1282 case SortByDestination: return "destination";
1283 case SortByPath: return "path";
1284 default: break;
1285 }
1286
1287 return QByteArray();
1288 }
1289
1290 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1291 {
1292 static QHash<QByteArray, DolphinView::Sorting> sortHash;
1293 if (sortHash.isEmpty()) {
1294 sortHash.insert("name", SortByName);
1295 sortHash.insert("size", SortBySize);
1296 sortHash.insert("date", SortByDate);
1297 sortHash.insert("permissions", SortByPermissions);
1298 sortHash.insert("owner", SortByOwner);
1299 sortHash.insert("group", SortByGroup);
1300 sortHash.insert("type", SortByType);
1301 sortHash.insert("destination", SortByDestination);
1302 sortHash.insert("path", SortByPath);
1303 }
1304 return sortHash.value(sortRole);
1305 }
1306
1307 #include "dolphinview.moc"