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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 "dolphindirlister.h"
60 #include "dolphinnewfilemenuobserver.h"
61 #include "dolphin_detailsmodesettings.h"
62 #include "dolphin_generalsettings.h"
63 #include "dolphinitemlistcontainer.h"
64 #include "draganddrophelper.h"
65 #include "renamedialog.h"
66 #include "versioncontrol/versioncontrolobserver.h"
67 #include "viewmodecontroller.h"
68 #include "viewproperties.h"
69 #include "views/tooltips/tooltipmanager.h"
70 #include "zoomlevelinfo.h"
71
72 namespace {
73 const int MaxModeEnum = DolphinView::CompactView;
74 };
75
76 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
77 QWidget(parent),
78 m_active(true),
79 m_tabsForFiles(false),
80 m_assureVisibleCurrentIndex(false),
81 m_isFolderWritable(true),
82 m_dragging(false),
83 m_url(url),
84 m_mode(DolphinView::IconsView),
85 m_visibleRoles(),
86 m_topLayout(0),
87 m_dirLister(0),
88 m_container(0),
89 m_toolTipManager(0),
90 m_selectionChangedTimer(0),
91 m_currentItemUrl(),
92 m_restoredContentsPosition(),
93 m_createdItemUrl(),
94 m_selectedUrls(),
95 m_versionControlObserver(0)
96 {
97 m_topLayout = new QVBoxLayout(this);
98 m_topLayout->setSpacing(0);
99 m_topLayout->setMargin(0);
100
101 // When a new item has been created by the "Create New..." menu, the item should
102 // get selected and it must be assured that the item will get visible. As the
103 // creation is done asynchronously, several signals must be checked:
104 connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
105 this, SLOT(observeCreatedItem(KUrl)));
106
107 m_selectionChangedTimer = new QTimer(this);
108 m_selectionChangedTimer->setSingleShot(true);
109 m_selectionChangedTimer->setInterval(300);
110 connect(m_selectionChangedTimer, SIGNAL(timeout()),
111 this, SLOT(emitSelectionChangedSignal()));
112
113 m_dirLister = new DolphinDirLister(this);
114 m_dirLister->setAutoUpdate(true);
115 m_dirLister->setDelayedMimeTypes(true);
116
117 connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
118 connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotDirListerStarted(KUrl)));
119 connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
120 this, SLOT(slotRefreshItems()));
121
122 connect(m_dirLister, SIGNAL(clear()), this, SIGNAL(itemCountChanged()));
123 connect(m_dirLister, SIGNAL(newItems(KFileItemList)), this, SIGNAL(itemCountChanged()));
124 connect(m_dirLister, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
125 connect(m_dirLister, SIGNAL(errorMessage(QString)), this, SIGNAL(infoMessage(QString)));
126 connect(m_dirLister, SIGNAL(percent(int)), this, SIGNAL(pathLoadingProgress(int)));
127 connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)), this, SIGNAL(urlIsFileError(KUrl)));
128 connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
129
130 m_container = new DolphinItemListContainer(m_dirLister, this);
131 m_container->setVisibleRoles(QList<QByteArray>() << "name");
132 m_container->installEventFilter(this);
133 setFocusProxy(m_container);
134 connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
135 connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
136
137 KItemListController* controller = m_container->controller();
138 controller->setSelectionBehavior(KItemListController::MultiSelection);
139 connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
140 connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
141 connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
142 connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
143 connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
144 connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
145 connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
146 connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
147 connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
148 connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
149 connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
150
151 KFileItemModel* model = fileItemModel();
152 if (model) {
153 connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
154 }
155
156 KItemListView* view = controller->view();
157 view->installEventFilter(this);
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 connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
163 this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
164
165 KItemListSelectionManager* selectionManager = controller->selectionManager();
166 connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
167 this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
168
169 m_toolTipManager = new ToolTipManager(this);
170
171 m_versionControlObserver = new VersionControlObserver(this);
172 m_versionControlObserver->setModel(model);
173 connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
174 connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
175 connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
176
177 applyViewProperties();
178 m_topLayout->addWidget(m_container);
179
180 loadDirectory(url);
181 }
182
183 DolphinView::~DolphinView()
184 {
185 }
186
187 KUrl DolphinView::url() const
188 {
189 return m_url;
190 }
191
192 void DolphinView::setActive(bool active)
193 {
194 if (active == m_active) {
195 return;
196 }
197
198 m_active = active;
199
200 QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
201 if (!active) {
202 color.setAlpha(150);
203 }
204
205 QWidget* viewport = m_container->viewport();
206 if (viewport) {
207 QPalette palette;
208 palette.setColor(viewport->backgroundRole(), color);
209 viewport->setPalette(palette);
210 }
211
212 update();
213
214 if (active) {
215 m_container->setFocus();
216 emit activated();
217 emit writeStateChanged(m_isFolderWritable);
218 }
219 }
220
221 bool DolphinView::isActive() const
222 {
223 return m_active;
224 }
225
226 void DolphinView::setMode(Mode mode)
227 {
228 if (mode != m_mode) {
229 ViewProperties props(url());
230 props.setViewMode(mode);
231 props.save();
232
233 applyViewProperties();
234 }
235 }
236
237 DolphinView::Mode DolphinView::mode() const
238 {
239 return m_mode;
240 }
241
242 void DolphinView::setPreviewsShown(bool show)
243 {
244 if (previewsShown() == show) {
245 return;
246 }
247
248 ViewProperties props(url());
249 props.setPreviewsShown(show);
250
251 m_container->setPreviewsShown(show);
252 emit previewsShownChanged(show);
253 }
254
255 bool DolphinView::previewsShown() const
256 {
257 return m_container->previewsShown();
258 }
259
260 void DolphinView::setHiddenFilesShown(bool show)
261 {
262 if (m_dirLister->showingDotFiles() == show) {
263 return;
264 }
265
266 const KFileItemList itemList = selectedItems();
267 m_selectedUrls.clear();
268 m_selectedUrls = itemList.urlList();
269
270 ViewProperties props(url());
271 props.setHiddenFilesShown(show);
272
273 fileItemModel()->setShowHiddenFiles(show);
274 emit hiddenFilesShownChanged(show);
275 }
276
277 bool DolphinView::hiddenFilesShown() const
278 {
279 return m_dirLister->showingDotFiles();
280 }
281
282 void DolphinView::setGroupedSorting(bool grouped)
283 {
284 if (grouped == groupedSorting()) {
285 return;
286 }
287
288 ViewProperties props(url());
289 props.setGroupedSorting(grouped);
290 props.save();
291
292 m_container->controller()->model()->setGroupedSorting(grouped);
293
294 emit groupedSortingChanged(grouped);
295 }
296
297 bool DolphinView::groupedSorting() const
298 {
299 return fileItemModel()->groupedSorting();
300 }
301
302 KFileItemList DolphinView::items() const
303 {
304 return m_dirLister->items();
305 }
306
307 KFileItemList DolphinView::selectedItems() const
308 {
309 const KFileItemModel* model = fileItemModel();
310 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
311 const QSet<int> selectedIndexes = selectionManager->selectedItems();
312
313 KFileItemList selectedItems;
314 QSetIterator<int> it(selectedIndexes);
315 while (it.hasNext()) {
316 const int index = it.next();
317 selectedItems.append(model->fileItem(index));
318 }
319 return selectedItems;
320 }
321
322 int DolphinView::selectedItemsCount() const
323 {
324 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
325 return selectionManager->selectedItems().count();
326 }
327
328 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
329 {
330 m_selectedUrls = urls;
331 }
332
333 void DolphinView::markUrlAsCurrent(const KUrl& url)
334 {
335 m_currentItemUrl = url;
336 }
337
338 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
339 {
340 const KItemListSelectionManager::SelectionMode mode = enabled
341 ? KItemListSelectionManager::Select
342 : KItemListSelectionManager::Deselect;
343 const KFileItemModel* model = fileItemModel();
344 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
345
346 for (int index = 0; index < model->count(); index++) {
347 const KFileItem item = model->fileItem(index);
348 if (pattern.exactMatch(item.text())) {
349 // An alternative approach would be to store the matching items in a QSet<int> and
350 // select them in one go after the loop, but we'd need a new function
351 // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
352 // for that.
353 selectionManager->setSelected(index, 1, mode);
354 }
355 }
356 }
357
358 void DolphinView::setZoomLevel(int level)
359 {
360 const int oldZoomLevel = zoomLevel();
361 m_container->setZoomLevel(level);
362 if (zoomLevel() != oldZoomLevel) {
363 emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
364 }
365 }
366
367 int DolphinView::zoomLevel() const
368 {
369 return m_container->zoomLevel();
370 }
371
372 void DolphinView::setSortRole(const QByteArray& role)
373 {
374 if (role != sortRole()) {
375 updateSortRole(role);
376 }
377 }
378
379 QByteArray DolphinView::sortRole() const
380 {
381 const KItemModelBase* model = m_container->controller()->model();
382 return model->sortRole();
383 }
384
385 void DolphinView::setSortOrder(Qt::SortOrder order)
386 {
387 if (sortOrder() != order) {
388 updateSortOrder(order);
389 }
390 }
391
392 Qt::SortOrder DolphinView::sortOrder() const
393 {
394 KItemModelBase* model = fileItemModel();
395 return model->sortOrder();
396 }
397
398 void DolphinView::setSortFoldersFirst(bool foldersFirst)
399 {
400 if (sortFoldersFirst() != foldersFirst) {
401 updateSortFoldersFirst(foldersFirst);
402 }
403 }
404
405 bool DolphinView::sortFoldersFirst() const
406 {
407 KFileItemModel* model = fileItemModel();
408 return model->sortFoldersFirst();
409 }
410
411 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
412 {
413 const QList<QByteArray> previousRoles = roles;
414
415 ViewProperties props(url());
416 props.setVisibleRoles(roles);
417
418 m_visibleRoles = roles;
419 m_container->setVisibleRoles(roles);
420
421 emit visibleRolesChanged(m_visibleRoles, previousRoles);
422 }
423
424 QList<QByteArray> DolphinView::visibleRoles() const
425 {
426 return m_visibleRoles;
427 }
428
429 void DolphinView::reload()
430 {
431 QByteArray viewState;
432 QDataStream saveStream(&viewState, QIODevice::WriteOnly);
433 saveState(saveStream);
434
435 const KFileItemList itemList = selectedItems();
436 m_selectedUrls.clear();
437 m_selectedUrls = itemList.urlList();
438
439 setUrl(url());
440 loadDirectory(url(), true);
441
442 QDataStream restoreStream(viewState);
443 restoreState(restoreStream);
444 }
445
446 void DolphinView::stopLoading()
447 {
448 m_dirLister->stop();
449 }
450
451 void DolphinView::readSettings()
452 {
453 const int oldZoomLevel = m_container->zoomLevel();
454
455 GeneralSettings::self()->readConfig();
456 m_container->readSettings();
457 applyViewProperties();
458
459 const int newZoomLevel = m_container->zoomLevel();
460 if (newZoomLevel != oldZoomLevel) {
461 emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
462 }
463 }
464
465 void DolphinView::writeSettings()
466 {
467 GeneralSettings::self()->writeConfig();
468 m_container->writeSettings();
469 }
470
471 void DolphinView::setNameFilter(const QString& nameFilter)
472 {
473 fileItemModel()->setNameFilter(nameFilter);
474 }
475
476 QString DolphinView::nameFilter() const
477 {
478 return fileItemModel()->nameFilter();
479 }
480
481 void DolphinView::calculateItemCount(int& fileCount,
482 int& folderCount,
483 KIO::filesize_t& totalFileSize) const
484 {
485 foreach (const KFileItem& item, m_dirLister->items()) {
486 if (item.isDir()) {
487 ++folderCount;
488 } else {
489 ++fileCount;
490 totalFileSize += item.size();
491 }
492 }
493 }
494
495 QString DolphinView::statusBarText() const
496 {
497 QString summary;
498 QString foldersText;
499 QString filesText;
500
501 int folderCount = 0;
502 int fileCount = 0;
503 KIO::filesize_t totalFileSize = 0;
504
505 if (hasSelection()) {
506 // Give a summary of the status of the selected files
507 const KFileItemList list = selectedItems();
508 foreach (const KFileItem& item, list) {
509 if (item.isDir()) {
510 ++folderCount;
511 } else {
512 ++fileCount;
513 totalFileSize += item.size();
514 }
515 }
516
517 if (folderCount + fileCount == 1) {
518 // If only one item is selected, show the filename
519 filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
520 } else {
521 // At least 2 items are selected
522 foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
523 filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
524 }
525 } else {
526 calculateItemCount(fileCount, folderCount, totalFileSize);
527 foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
528 filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
529 }
530
531 if (fileCount > 0 && folderCount > 0) {
532 summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
533 foldersText, filesText, fileSizeText(totalFileSize));
534 } else if (fileCount > 0) {
535 summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
536 } else if (folderCount > 0) {
537 summary = foldersText;
538 }
539
540 return summary;
541 }
542
543 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
544 {
545 QList<QAction*> actions;
546
547 if (items.isEmpty()) {
548 const KFileItem item = fileItemModel()->rootItem();
549 actions = m_versionControlObserver->actions(KFileItemList() << item);
550 } else {
551 actions = m_versionControlObserver->actions(items);
552 }
553
554 return actions;
555 }
556
557 void DolphinView::setUrl(const KUrl& url)
558 {
559 if (url == m_url) {
560 return;
561 }
562
563 emit urlAboutToBeChanged(url);
564 m_url = url;
565
566 hideToolTip();
567
568 // It is important to clear the items from the model before
569 // applying the view properties, otherwise expensive operations
570 // might be done on the existing items although they get cleared
571 // anyhow afterwards by loadDirectory().
572 fileItemModel()->clear();
573 applyViewProperties();
574 loadDirectory(url);
575
576 emit urlChanged(url);
577 }
578
579 void DolphinView::selectAll()
580 {
581 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
582 selectionManager->setSelected(0, fileItemModel()->count());
583 }
584
585 void DolphinView::invertSelection()
586 {
587 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
588 selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
589 }
590
591 void DolphinView::clearSelection()
592 {
593 m_container->controller()->selectionManager()->clearSelection();
594 }
595
596 void DolphinView::renameSelectedItems()
597 {
598 KFileItemList items = selectedItems();
599 const int itemCount = items.count();
600 if (itemCount < 1) {
601 return;
602 }
603
604 // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
605 // renaming yet.
606 /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
607 const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
608 const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
609 m_viewAccessor.itemView()->edit(proxyIndex);
610 } else {*/
611 RenameDialog* dialog = new RenameDialog(this, items);
612 dialog->setAttribute(Qt::WA_DeleteOnClose);
613 dialog->show();
614 dialog->raise();
615 dialog->activateWindow();
616 //}
617
618 // assure that the current index remains visible when KDirLister
619 // will notify the view about changed items
620 m_assureVisibleCurrentIndex = true;
621 }
622
623 void DolphinView::trashSelectedItems()
624 {
625 const KUrl::List list = simplifiedSelectedUrls();
626 KonqOperations::del(this, KonqOperations::TRASH, list);
627 }
628
629 void DolphinView::deleteSelectedItems()
630 {
631 const KUrl::List list = simplifiedSelectedUrls();
632 const bool del = KonqOperations::askDeleteConfirmation(list,
633 KonqOperations::DEL,
634 KonqOperations::DEFAULT_CONFIRMATION,
635 this);
636
637 if (del) {
638 KIO::Job* job = KIO::del(list);
639 connect(job, SIGNAL(result(KJob*)),
640 this, SLOT(slotDeleteFileFinished(KJob*)));
641 }
642 }
643
644 void DolphinView::cutSelectedItems()
645 {
646 QMimeData* mimeData = selectionMimeData();
647 KonqMimeData::addIsCutSelection(mimeData, true);
648 QApplication::clipboard()->setMimeData(mimeData);
649 }
650
651 void DolphinView::copySelectedItems()
652 {
653 QMimeData* mimeData = selectionMimeData();
654 QApplication::clipboard()->setMimeData(mimeData);
655 }
656
657 void DolphinView::paste()
658 {
659 pasteToUrl(url());
660 }
661
662 void DolphinView::pasteIntoFolder()
663 {
664 const KFileItemList items = selectedItems();
665 if ((items.count() == 1) && items.first().isDir()) {
666 pasteToUrl(items.first().url());
667 }
668 }
669
670 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
671 {
672 switch (event->type()) {
673 case QEvent::FocusIn:
674 if (watched == m_container) {
675 setActive(true);
676 }
677 break;
678
679 case QEvent::GraphicsSceneDragEnter:
680 if (watched == m_container->controller()->view()) {
681 m_dragging = true;
682 }
683 break;
684
685 case QEvent::GraphicsSceneDragLeave:
686 if (watched == m_container->controller()->view()) {
687 m_dragging = false;
688 }
689 break;
690
691 case QEvent::GraphicsSceneDrop:
692 if (watched == m_container->controller()->view()) {
693 m_dragging = false;
694 }
695 default:
696 break;
697 }
698
699 return QWidget::eventFilter(watched, event);
700 }
701
702 void DolphinView::wheelEvent(QWheelEvent* event)
703 {
704 if (event->modifiers().testFlag(Qt::ControlModifier)) {
705 const int numDegrees = event->delta() / 8;
706 const int numSteps = numDegrees / 15;
707
708 setZoomLevel(zoomLevel() + numSteps);
709 event->accept();
710 } else {
711 event->ignore();
712 }
713 }
714
715 void DolphinView::hideEvent(QHideEvent* event)
716 {
717 hideToolTip();
718 QWidget::hideEvent(event);
719 }
720
721 void DolphinView::activate()
722 {
723 setActive(true);
724 }
725
726 void DolphinView::slotItemActivated(int index)
727 {
728 const KFileItem item = fileItemModel()->fileItem(index);
729 if (!item.isNull()) {
730 emit itemActivated(item);
731 }
732 }
733
734 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
735 {
736 Q_ASSERT(indexes.count() >= 2);
737
738 KFileItemList items;
739
740 KFileItemModel* model = fileItemModel();
741 QSetIterator<int> it(indexes);
742 while (it.hasNext()) {
743 const int index = it.next();
744 items.append(model->fileItem(index));
745 }
746
747 foreach (const KFileItem& item, items) {
748 if (item.isDir()) {
749 emit tabRequested(item.url());
750 } else {
751 emit itemActivated(item);
752 }
753 }
754 }
755
756 void DolphinView::slotItemMiddleClicked(int index)
757 {
758 const KFileItem item = fileItemModel()->fileItem(index);
759 if (item.isDir() || isTabsForFilesEnabled()) {
760 emit tabRequested(item.url());
761 }
762 }
763
764 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
765 {
766 const KFileItem item = fileItemModel()->fileItem(index);
767 emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
768 }
769
770 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
771 {
772 emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
773 }
774
775 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
776 {
777 QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
778
779 KItemListView* view = m_container->controller()->view();
780 const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
781
782 QString groupName;
783 QMenu* groupMenu = 0;
784
785 // Add all roles to the menu that can be shown or hidden by the user
786 const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
787 foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
788 if (info.role == "name") {
789 // It should not be possible to hide the "name" role
790 continue;
791 }
792
793 const QString text = fileItemModel()->roleDescription(info.role);
794 QAction* action = 0;
795 if (info.group.isEmpty()) {
796 action = menu.data()->addAction(text);
797 } else {
798 if (!groupMenu || info.group != groupName) {
799 groupName = info.group;
800 groupMenu = menu.data()->addMenu(groupName);
801 }
802
803 action = groupMenu->addAction(text);
804 }
805
806 action->setCheckable(true);
807 action->setChecked(visibleRolesSet.contains(info.role));
808 action->setData(info.role);
809 }
810
811 QAction* action = menu.data()->exec(pos.toPoint());
812 if (action) {
813 // Show or hide the selected role
814 const QByteArray selectedRole = action->data().toByteArray();
815
816 ViewProperties props(url());
817 QList<QByteArray> visibleRoles = view->visibleRoles();
818 if (action->isChecked()) {
819 visibleRoles.append(selectedRole);
820 } else {
821 visibleRoles.removeOne(selectedRole);
822 }
823
824 view->setVisibleRoles(visibleRoles);
825 props.setVisibleRoles(visibleRoles);
826 }
827
828 delete menu.data();
829 }
830
831 void DolphinView::slotItemHovered(int index)
832 {
833 const KFileItem item = fileItemModel()->fileItem(index);
834
835 if (GeneralSettings::showToolTips() && !m_dragging) {
836 QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
837 const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
838 itemRect.moveTo(pos);
839
840 m_toolTipManager->showToolTip(item, itemRect);
841 }
842
843 emit requestItemInfo(item);
844 }
845
846 void DolphinView::slotItemUnhovered(int index)
847 {
848 Q_UNUSED(index);
849 hideToolTip();
850 emit requestItemInfo(KFileItem());
851 }
852
853 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
854 {
855 KUrl destUrl;
856 KFileItem destItem = fileItemModel()->fileItem(index);
857 if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
858 // Use the URL of the view as drop target if the item is no directory
859 // or desktop-file
860 destItem = fileItemModel()->rootItem();
861 destUrl = url();
862 } else {
863 // The item represents a directory or desktop-file
864 destUrl = destItem.url();
865 }
866
867 QDropEvent dropEvent(event->pos().toPoint(),
868 event->possibleActions(),
869 event->mimeData(),
870 event->buttons(),
871 event->modifiers());
872
873 const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
874 if (!error.isEmpty()) {
875 emit errorMessage(error);
876 }
877 }
878
879 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
880 {
881 if (previous != 0) {
882 disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
883 }
884
885 Q_ASSERT(qobject_cast<KFileItemModel*>(current));
886 connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
887
888 KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
889 m_versionControlObserver->setModel(fileItemModel);
890 }
891
892 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
893 {
894 hideToolTip();
895
896 if (itemIndex < 0) {
897 // Trigger the history navigation only when clicking on the viewport:
898 // Above an item the XButtons provide a simple way to select items in
899 // the singleClick mode.
900 if (buttons & Qt::XButton1) {
901 emit goBackRequested();
902 } else if (buttons & Qt::XButton2) {
903 emit goForwardRequested();
904 }
905 }
906 }
907
908 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
909 {
910 const int currentCount = current.count();
911 const int previousCount = previous.count();
912 const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) ||
913 (currentCount > 0 && previousCount == 0);
914
915 // If nothing has been selected before and something got selected (or if something
916 // was selected before and now nothing is selected) the selectionChangedSignal must
917 // be emitted asynchronously as fast as possible to update the edit-actions.
918 m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
919 m_selectionChangedTimer->start();
920 }
921
922 void DolphinView::emitSelectionChangedSignal()
923 {
924 m_selectionChangedTimer->stop();
925 emit selectionChanged(selectedItems());
926 }
927
928 void DolphinView::updateSortRole(const QByteArray& role)
929 {
930 ViewProperties props(url());
931 props.setSortRole(role);
932
933 KItemModelBase* model = m_container->controller()->model();
934 model->setSortRole(role);
935
936 emit sortRoleChanged(role);
937 }
938
939 void DolphinView::updateSortOrder(Qt::SortOrder order)
940 {
941 ViewProperties props(url());
942 props.setSortOrder(order);
943
944 KItemModelBase* model = fileItemModel();
945 model->setSortOrder(order);
946
947 emit sortOrderChanged(order);
948 }
949
950 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
951 {
952 ViewProperties props(url());
953 props.setSortFoldersFirst(foldersFirst);
954
955 KFileItemModel* model = fileItemModel();
956 model->setSortFoldersFirst(foldersFirst);
957
958 emit sortFoldersFirstChanged(foldersFirst);
959 }
960
961 QPair<bool, QString> DolphinView::pasteInfo() const
962 {
963 return KonqOperations::pasteInfo(url());
964 }
965
966 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
967 {
968 m_tabsForFiles = tabsForFiles;
969 }
970
971 bool DolphinView::isTabsForFilesEnabled() const
972 {
973 return m_tabsForFiles;
974 }
975
976 bool DolphinView::itemsExpandable() const
977 {
978 return m_mode == DetailsView;
979 }
980
981 void DolphinView::restoreState(QDataStream& stream)
982 {
983 // Restore the current item that had the keyboard focus
984 stream >> m_currentItemUrl;
985
986 // Restore the view position
987 stream >> m_restoredContentsPosition;
988
989 // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
990 QSet<KUrl> urls;
991 stream >> urls;
992 fileItemModel()->restoreExpandedUrls(urls);
993 }
994
995 void DolphinView::saveState(QDataStream& stream)
996 {
997 // Save the current item that has the keyboard focus
998 const int currentIndex = m_container->controller()->selectionManager()->currentItem();
999 if (currentIndex != -1) {
1000 KFileItem item = fileItemModel()->fileItem(currentIndex);
1001 Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1002 KUrl currentItemUrl = item.url();
1003 stream << currentItemUrl;
1004 } else {
1005 stream << KUrl();
1006 }
1007
1008 // Save view position
1009 const qreal x = m_container->horizontalScrollBar()->value();
1010 const qreal y = m_container->verticalScrollBar()->value();
1011 stream << QPoint(x, y);
1012
1013 // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1014 stream << fileItemModel()->expandedUrls();
1015 }
1016
1017 bool DolphinView::hasSelection() const
1018 {
1019 return m_container->controller()->selectionManager()->hasSelection();
1020 }
1021
1022 KFileItem DolphinView::rootItem() const
1023 {
1024 return m_dirLister->rootItem();
1025 }
1026
1027 void DolphinView::observeCreatedItem(const KUrl& url)
1028 {
1029 m_createdItemUrl = url;
1030 //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
1031 // this, SLOT(selectAndScrollToCreatedItem()));
1032 }
1033
1034 void DolphinView::selectAndScrollToCreatedItem()
1035 {
1036 /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1037 if (dirIndex.isValid()) {
1038 const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1039 QAbstractItemView* view = m_viewAccessor.itemView();
1040 if (view) {
1041 view->setCurrentIndex(proxyIndex);
1042 }
1043 }
1044
1045 disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1046 this, SLOT(selectAndScrollToCreatedItem()));*/
1047 m_createdItemUrl = KUrl();
1048 }
1049
1050 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1051 {
1052 if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1053 emit redirection(oldUrl, newUrl);
1054 m_url = newUrl; // #186947
1055 }
1056 }
1057
1058 void DolphinView::updateViewState()
1059 {
1060 if (m_currentItemUrl != KUrl()) {
1061 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1062 const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1063 if (currentIndex != -1) {
1064 selectionManager->setCurrentItem(currentIndex);
1065 } else {
1066 selectionManager->setCurrentItem(0);
1067 }
1068 m_currentItemUrl = KUrl();
1069 }
1070
1071 if (!m_restoredContentsPosition.isNull()) {
1072 const int x = m_restoredContentsPosition.x();
1073 const int y = m_restoredContentsPosition.y();
1074 m_restoredContentsPosition = QPoint();
1075
1076 m_container->horizontalScrollBar()->setValue(x);
1077 m_container->verticalScrollBar()->setValue(y);
1078 }
1079
1080 if (!m_selectedUrls.isEmpty()) {
1081 KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1082 QSet<int> selectedItems = selectionManager->selectedItems();
1083 const KFileItemModel* model = fileItemModel();
1084
1085 foreach (const KUrl& url, m_selectedUrls) {
1086 const int index = model->index(url);
1087 if (index >= 0) {
1088 selectedItems.insert(index);
1089 }
1090 }
1091
1092 selectionManager->setSelectedItems(selectedItems);
1093 m_selectedUrls.clear();
1094 }
1095 }
1096
1097 void DolphinView::hideToolTip()
1098 {
1099 if (GeneralSettings::showToolTips()) {
1100 m_toolTipManager->hideToolTip();
1101 }
1102 }
1103
1104 void DolphinView::showHoverInformation(const KFileItem& item)
1105 {
1106 emit requestItemInfo(item);
1107 }
1108
1109 void DolphinView::clearHoverInformation()
1110 {
1111 emit requestItemInfo(KFileItem());
1112 }
1113
1114 void DolphinView::slotDeleteFileFinished(KJob* job)
1115 {
1116 if (job->error() == 0) {
1117 emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1118 } else if (job->error() != KIO::ERR_USER_CANCELED) {
1119 emit errorMessage(job->errorString());
1120 }
1121 }
1122
1123 void DolphinView::slotDirListerStarted(const KUrl& url)
1124 {
1125 // Disable the writestate temporary until it can be determined in a fast way
1126 // in DolphinView::slotLoadingCompleted()
1127 if (m_isFolderWritable) {
1128 m_isFolderWritable = false;
1129 emit writeStateChanged(m_isFolderWritable);
1130 }
1131
1132 emit startedPathLoading(url);
1133 }
1134
1135 void DolphinView::slotLoadingCompleted()
1136 {
1137 // Update the view-state. This has to be done using a Qt::QueuedConnection
1138 // because the view might not be in its final state yet (the view also
1139 // listens to the completed()-signal from KDirLister and the order of
1140 // of slots is undefined).
1141 QTimer::singleShot(0, this, SLOT(updateViewState()));
1142
1143 emit finishedPathLoading(url());
1144
1145 updateWritableState();
1146 }
1147
1148 void DolphinView::slotRefreshItems()
1149 {
1150 if (m_assureVisibleCurrentIndex) {
1151 m_assureVisibleCurrentIndex = false;
1152 //QAbstractItemView* view = m_viewAccessor.itemView();
1153 //if (view) {
1154 // m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1155 //}
1156 }
1157 }
1158
1159 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1160 {
1161 Q_UNUSED(previous);
1162 Q_ASSERT(fileItemModel()->sortOrder() == current);
1163
1164 ViewProperties props(url());
1165 props.setSortOrder(current);
1166
1167 emit sortOrderChanged(current);
1168 }
1169
1170 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1171 {
1172 Q_UNUSED(previous);
1173 Q_ASSERT(fileItemModel()->sortRole() == current);
1174
1175 ViewProperties props(url());
1176 props.setSortRole(current);
1177
1178 emit sortRoleChanged(current);
1179 }
1180
1181 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1182 const QList<QByteArray>& previous)
1183 {
1184 Q_UNUSED(previous);
1185 Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1186
1187 const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1188
1189 m_visibleRoles = current;
1190
1191 ViewProperties props(url());
1192 props.setVisibleRoles(m_visibleRoles);
1193
1194 emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1195 }
1196
1197 KFileItemModel* DolphinView::fileItemModel() const
1198 {
1199 return static_cast<KFileItemModel*>(m_container->controller()->model());
1200 }
1201
1202 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1203 {
1204 if (!url.isValid()) {
1205 const QString location(url.pathOrUrl());
1206 if (location.isEmpty()) {
1207 emit errorMessage(i18nc("@info:status", "The location is empty."));
1208 } else {
1209 emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1210 }
1211 return;
1212 }
1213
1214 m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1215 }
1216
1217 void DolphinView::applyViewProperties()
1218 {
1219 m_container->beginTransaction();
1220
1221 const ViewProperties props(url());
1222 KFileItemModel* model = fileItemModel();
1223
1224 const Mode mode = props.viewMode();
1225 if (m_mode != mode) {
1226 const Mode previousMode = m_mode;
1227 m_mode = mode;
1228
1229 // Changing the mode might result in changing
1230 // the zoom level. Remember the old zoom level so
1231 // that zoomLevelChanged() can get emitted.
1232 const int oldZoomLevel = m_container->zoomLevel();
1233
1234 switch (m_mode) {
1235 case IconsView: m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1236 case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1237 case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1238 default: Q_ASSERT(false); break;
1239 }
1240
1241 emit modeChanged(m_mode, previousMode);
1242
1243 if (m_container->zoomLevel() != oldZoomLevel) {
1244 emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1245 }
1246 }
1247
1248 const bool hiddenFilesShown = props.hiddenFilesShown();
1249 if (hiddenFilesShown != model->showHiddenFiles()) {
1250 model->setShowHiddenFiles(hiddenFilesShown);
1251 emit hiddenFilesShownChanged(hiddenFilesShown);
1252 }
1253
1254 const bool groupedSorting = props.groupedSorting();
1255 if (groupedSorting != model->groupedSorting()) {
1256 model->setGroupedSorting(groupedSorting);
1257 emit groupedSortingChanged(groupedSorting);
1258 }
1259
1260 const QByteArray sortRole = props.sortRole();
1261 if (sortRole != model->sortRole()) {
1262 model->setSortRole(sortRole);
1263 emit sortRoleChanged(sortRole);
1264 }
1265
1266 const Qt::SortOrder sortOrder = props.sortOrder();
1267 if (sortOrder != model->sortOrder()) {
1268 model->setSortOrder(sortOrder);
1269 emit sortOrderChanged(sortOrder);
1270 }
1271
1272 const bool sortFoldersFirst = props.sortFoldersFirst();
1273 if (sortFoldersFirst != model->sortFoldersFirst()) {
1274 model->setSortFoldersFirst(sortFoldersFirst);
1275 emit sortFoldersFirstChanged(sortFoldersFirst);
1276 }
1277
1278 const QList<QByteArray> visibleRoles = props.visibleRoles();
1279 if (visibleRoles != m_visibleRoles) {
1280 const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1281 m_visibleRoles = visibleRoles;
1282 m_container->setVisibleRoles(visibleRoles);
1283 emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1284 }
1285
1286 const bool previewsShown = props.previewsShown();
1287 if (previewsShown != m_container->previewsShown()) {
1288 const int oldZoomLevel = zoomLevel();
1289
1290 m_container->setPreviewsShown(previewsShown);
1291 emit previewsShownChanged(previewsShown);
1292
1293 // Changing the preview-state might result in a changed zoom-level
1294 if (oldZoomLevel != zoomLevel()) {
1295 emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1296 }
1297 }
1298
1299 m_container->endTransaction();
1300 }
1301
1302 void DolphinView::pasteToUrl(const KUrl& url)
1303 {
1304 markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1305 KonqOperations::doPaste(this, url);
1306 }
1307
1308 KUrl::List DolphinView::simplifiedSelectedUrls() const
1309 {
1310 KUrl::List urls;
1311
1312 const KFileItemList items = selectedItems();
1313 foreach (const KFileItem &item, items) {
1314 urls.append(item.url());
1315 }
1316
1317 if (itemsExpandable()) {
1318 // TODO: Check if we still need KDirModel for this in KDE 5.0
1319 urls = KDirModel::simplifiedUrlList(urls);
1320 }
1321
1322 return urls;
1323 }
1324
1325 QMimeData* DolphinView::selectionMimeData() const
1326 {
1327 const KFileItemModel* model = fileItemModel();
1328 const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1329 const QSet<int> selectedIndexes = selectionManager->selectedItems();
1330
1331 return model->createMimeData(selectedIndexes);
1332 }
1333
1334 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1335 {
1336 const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1337 markUrlsAsSelected(urls);
1338 }
1339
1340 void DolphinView::updateWritableState()
1341 {
1342 const bool wasFolderWritable = m_isFolderWritable;
1343 m_isFolderWritable = true;
1344
1345 const KFileItem item = m_dirLister->rootItem();
1346 if (!item.isNull()) {
1347 KFileItemListProperties capabilities(KFileItemList() << item);
1348 m_isFolderWritable = capabilities.supportsWriting();
1349 }
1350 if (m_isFolderWritable != wasFolderWritable) {
1351 emit writeStateChanged(m_isFolderWritable);
1352 }
1353 }
1354
1355 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1356 {
1357 const KLocale* locale = KGlobal::locale();
1358 const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1359 ? 1000 : 1024;
1360
1361 QString text;
1362 if (fileSize < multiplier) {
1363 // Show the size in bytes
1364 text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1365 } else if (fileSize < multiplier * multiplier) {
1366 // Show the size in kilobytes and always round up. This is done
1367 // for consistency with the values shown e.g. in the "Size" column
1368 // of the details-view.
1369 fileSize += (multiplier / 2) - 1;
1370 text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1371 } else {
1372 // Show the size in the best fitting unit having one decimal
1373 text = locale->formatByteSize(fileSize, 1);
1374 }
1375 return text;
1376 }
1377
1378 #include "dolphinview.moc"