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1 /***************************************************************************
2 * Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at> *
3 * Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net> *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
19 ***************************************************************************/
20
21 #include "dolphinview.h"
22
23 #include <QApplication>
24 #include <QClipboard>
25 #include <QKeyEvent>
26 #include <QItemSelection>
27 #include <QBoxLayout>
28 #include <QTimer>
29 #include <QScrollBar>
30
31 #include <kactioncollection.h>
32 #include <kcolorscheme.h>
33 #include <kdirlister.h>
34 #include <kfilepreviewgenerator.h>
35 #include <kiconeffect.h>
36 #include <klocale.h>
37 #include <kio/deletejob.h>
38 #include <kio/netaccess.h>
39 #include <kio/previewjob.h>
40 #include <kjob.h>
41 #include <kmenu.h>
42 #include <kmessagebox.h>
43 #include <kmimetyperesolver.h>
44 #include <konq_fileitemcapabilities.h>
45 #include <konq_operations.h>
46 #include <konqmimedata.h>
47 #include <ktoggleaction.h>
48 #include <kurl.h>
49
50 #include "dolphinmodel.h"
51 #include "dolphincolumnview.h"
52 #include "dolphincontroller.h"
53 #include "dolphinfileitemdelegate.h"
54 #include "dolphinsortfilterproxymodel.h"
55 #include "dolphindetailsview.h"
56 #include "dolphin_detailsmodesettings.h"
57 #include "dolphiniconsview.h"
58 #include "dolphinsettings.h"
59 #include "dolphin_generalsettings.h"
60 #include "draganddrophelper.h"
61 #include "folderexpander.h"
62 #include "renamedialog.h"
63 #include "tooltipmanager.h"
64 #include "viewproperties.h"
65 #include "zoomlevelinfo.h"
66
67 DolphinView::DolphinView(QWidget* parent,
68 const KUrl& url,
69 KDirLister* dirLister,
70 DolphinModel* dolphinModel,
71 DolphinSortFilterProxyModel* proxyModel) :
72 QWidget(parent),
73 m_active(true),
74 m_showPreview(false),
75 m_loadingDirectory(false),
76 m_storedCategorizedSorting(false),
77 m_tabsForFiles(false),
78 m_isContextMenuOpen(false),
79 m_mode(DolphinView::IconsView),
80 m_topLayout(0),
81 m_controller(0),
82 m_iconsView(0),
83 m_detailsView(0),
84 m_columnView(0),
85 m_fileItemDelegate(0),
86 m_selectionModel(0),
87 m_dolphinModel(dolphinModel),
88 m_dirLister(dirLister),
89 m_proxyModel(proxyModel),
90 m_previewGenerator(0),
91 m_toolTipManager(0),
92 m_rootUrl(),
93 m_currentItemUrl(),
94 m_expandedViews()
95 {
96 m_topLayout = new QVBoxLayout(this);
97 m_topLayout->setSpacing(0);
98 m_topLayout->setMargin(0);
99
100 m_controller = new DolphinController(this);
101 m_controller->setUrl(url);
102
103 connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
104 this, SIGNAL(urlChanged(const KUrl&)));
105 connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
106 this, SLOT(slotRequestUrlChange(const KUrl&)));
107
108 connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
109 this, SLOT(openContextMenu(const QPoint&)));
110 connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
111 this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
112 connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
113 this, SLOT(updateSorting(DolphinView::Sorting)));
114 connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
115 this, SLOT(updateSortOrder(Qt::SortOrder)));
116 connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
117 this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
118 connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
119 this, SLOT(triggerItem(const KFileItem&)));
120 connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
121 this, SIGNAL(tabRequested(const KUrl&)));
122 connect(m_controller, SIGNAL(activated()),
123 this, SLOT(activate()));
124 connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
125 this, SLOT(showHoverInformation(const KFileItem&)));
126 connect(m_controller, SIGNAL(viewportEntered()),
127 this, SLOT(clearHoverInformation()));
128
129 connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
130 this, SIGNAL(redirection(KUrl, KUrl)));
131 connect(m_dirLister, SIGNAL(completed()),
132 this, SLOT(restoreCurrentItem()));
133
134 applyViewProperties(url);
135 m_topLayout->addWidget(itemView());
136 }
137
138 DolphinView::~DolphinView()
139 {
140 deleteExpandedViews();
141 }
142
143 const KUrl& DolphinView::url() const
144 {
145 return m_controller->url();
146 }
147
148 KUrl DolphinView::rootUrl() const
149 {
150 return isColumnViewActive() ? m_columnView->rootUrl() : url();
151 }
152
153 void DolphinView::setActive(bool active)
154 {
155 if (active == m_active) {
156 return;
157 }
158
159 m_active = active;
160
161 QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
162 if (active) {
163 // TODO: emitting urlChanged() is a hack, as the URL hasn't really changed. It
164 // bypasses the problem when having a split view and changing the active view to
165 // update the some URL dependent states. A nicer approach should be no big deal...
166 emit urlChanged(url());
167 emit selectionChanged(selectedItems());
168 } else {
169 color.setAlpha(150);
170 }
171
172 QWidget* viewport = itemView()->viewport();
173 QPalette palette;
174 palette.setColor(viewport->backgroundRole(), color);
175 viewport->setPalette(palette);
176
177 update();
178
179 if (active) {
180 itemView()->setFocus();
181 emit activated();
182 }
183
184 m_controller->indicateActivationChange(active);
185 }
186
187 bool DolphinView::isActive() const
188 {
189 return m_active;
190 }
191
192 void DolphinView::setMode(Mode mode)
193 {
194 if (mode == m_mode) {
195 return; // the wished mode is already set
196 }
197
198 const int oldZoomLevel = m_controller->zoomLevel();
199 m_mode = mode;
200
201 deleteView();
202
203 const KUrl viewPropsUrl = viewPropertiesUrl();
204 ViewProperties props(viewPropsUrl);
205 props.setViewMode(m_mode);
206 createView();
207
208 // the file item delegate has been recreated, apply the current
209 // additional information manually
210 const KFileItemDelegate::InformationList infoList = props.additionalInfo();
211 m_fileItemDelegate->setShowInformation(infoList);
212 emit additionalInfoChanged();
213
214 // Not all view modes support categorized sorting. Adjust the sorting model
215 // if changing the view mode results in a change of the categorized sorting
216 // capabilities.
217 m_storedCategorizedSorting = props.categorizedSorting();
218 const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
219 if (categorized != m_proxyModel->isCategorizedModel()) {
220 m_proxyModel->setCategorizedModel(categorized);
221 emit categorizedSortingChanged();
222 }
223
224 emit modeChanged();
225 updateZoomLevel(oldZoomLevel);
226 }
227
228 DolphinView::Mode DolphinView::mode() const
229 {
230 return m_mode;
231 }
232
233 bool DolphinView::showPreview() const
234 {
235 return m_showPreview;
236 }
237
238 bool DolphinView::showHiddenFiles() const
239 {
240 return m_dirLister->showingDotFiles();
241 }
242
243 bool DolphinView::categorizedSorting() const
244 {
245 // If all view modes would support categorized sorting, returning
246 // m_proxyModel->isCategorizedModel() would be the way to go. As
247 // currently only the icons view supports caterized sorting, we remember
248 // the stored view properties state in m_storedCategorizedSorting and
249 // return this state. The application takes care to disable the corresponding
250 // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
251 // that this setting is not applied to the current view mode.
252 return m_storedCategorizedSorting;
253 }
254
255 bool DolphinView::supportsCategorizedSorting() const
256 {
257 return m_iconsView != 0;
258 }
259
260 void DolphinView::selectAll()
261 {
262 QAbstractItemView* view = itemView();
263 // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
264 // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
265 // selection instead of selecting all items. This is bypassed for KDE 4.0
266 // by invoking clearSelection() first.
267 view->clearSelection();
268 view->selectAll();
269 }
270
271 void DolphinView::invertSelection()
272 {
273 if (isColumnViewActive()) {
274 // QAbstractItemView does not offer a virtual method invertSelection()
275 // as counterpart to QAbstractItemView::selectAll(). This makes it
276 // necessary to delegate the inverting of the selection to the
277 // column view, as only the selection of the active column should
278 // get inverted.
279 m_columnView->invertSelection();
280 } else {
281 QItemSelectionModel* selectionModel = itemView()->selectionModel();
282 const QAbstractItemModel* itemModel = selectionModel->model();
283
284 const QModelIndex topLeft = itemModel->index(0, 0);
285 const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
286 itemModel->columnCount() - 1);
287
288 const QItemSelection selection(topLeft, bottomRight);
289 selectionModel->select(selection, QItemSelectionModel::Toggle);
290 }
291 }
292
293 bool DolphinView::hasSelection() const
294 {
295 return itemView()->selectionModel()->hasSelection();
296 }
297
298 void DolphinView::clearSelection()
299 {
300 itemView()->selectionModel()->clear();
301 }
302
303 KFileItemList DolphinView::selectedItems() const
304 {
305 if (isColumnViewActive()) {
306 return m_columnView->selectedItems();
307 }
308
309 const QAbstractItemView* view = itemView();
310
311 // Our view has a selection, we will map them back to the DolphinModel
312 // and then fill the KFileItemList.
313 Q_ASSERT((view != 0) && (view->selectionModel() != 0));
314
315 const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
316 KFileItemList itemList;
317
318 const QModelIndexList indexList = selection.indexes();
319 foreach (const QModelIndex &index, indexList) {
320 KFileItem item = m_dolphinModel->itemForIndex(index);
321 if (!item.isNull()) {
322 itemList.append(item);
323 }
324 }
325
326 return itemList;
327 }
328
329 KUrl::List DolphinView::selectedUrls() const
330 {
331 KUrl::List urls;
332 const KFileItemList list = selectedItems();
333 foreach (const KFileItem &item, list) {
334 urls.append(item.url());
335 }
336 return urls;
337 }
338
339 int DolphinView::selectedItemsCount() const
340 {
341 if (isColumnViewActive()) {
342 // TODO: get rid of this special case by adjusting the dir lister
343 // to the current column
344 return m_columnView->selectedItems().count();
345 }
346
347 return itemView()->selectionModel()->selection().count();
348 }
349
350 void DolphinView::setContentsPosition(int x, int y)
351 {
352 QAbstractItemView* view = itemView();
353
354 // the ColumnView takes care itself for the horizontal scrolling
355 if (!isColumnViewActive()) {
356 view->horizontalScrollBar()->setValue(x);
357 }
358 view->verticalScrollBar()->setValue(y);
359
360 m_loadingDirectory = false;
361 }
362
363 QPoint DolphinView::contentsPosition() const
364 {
365 const int x = itemView()->horizontalScrollBar()->value();
366 const int y = itemView()->verticalScrollBar()->value();
367 return QPoint(x, y);
368 }
369
370 void DolphinView::setZoomLevel(int level)
371 {
372 if (level < ZoomLevelInfo::minimumLevel()) {
373 level = ZoomLevelInfo::minimumLevel();
374 } else if (level > ZoomLevelInfo::maximumLevel()) {
375 level = ZoomLevelInfo::maximumLevel();
376 }
377
378 if (level != zoomLevel()) {
379 m_controller->setZoomLevel(level);
380 m_previewGenerator->updatePreviews();
381 emit zoomLevelChanged(level);
382 }
383 }
384
385 int DolphinView::zoomLevel() const
386 {
387 return m_controller->zoomLevel();
388 }
389
390 void DolphinView::setSorting(Sorting sorting)
391 {
392 if (sorting != this->sorting()) {
393 updateSorting(sorting);
394 }
395 }
396
397 DolphinView::Sorting DolphinView::sorting() const
398 {
399 return m_proxyModel->sorting();
400 }
401
402 void DolphinView::setSortOrder(Qt::SortOrder order)
403 {
404 if (sortOrder() != order) {
405 updateSortOrder(order);
406 }
407 }
408
409 Qt::SortOrder DolphinView::sortOrder() const
410 {
411 return m_proxyModel->sortOrder();
412 }
413
414 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
415 {
416 const KUrl viewPropsUrl = viewPropertiesUrl();
417 ViewProperties props(viewPropsUrl);
418 props.setAdditionalInfo(info);
419 m_fileItemDelegate->setShowInformation(info);
420
421 emit additionalInfoChanged();
422
423 if (itemView() != m_detailsView) {
424 // the details view requires no reloading of the directory, as it maps
425 // the file item delegate info to its columns internally
426 loadDirectory(viewPropsUrl);
427 }
428 }
429
430 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
431 {
432 return m_fileItemDelegate->showInformation();
433 }
434
435 void DolphinView::reload()
436 {
437 setUrl(url());
438 loadDirectory(url(), true);
439 }
440
441 void DolphinView::refresh()
442 {
443 const bool oldActivationState = m_active;
444 const int oldZoomLevel = m_controller->zoomLevel();
445 m_active = true;
446
447 createView();
448 applyViewProperties(m_controller->url());
449 reload();
450
451 setActive(oldActivationState);
452 updateZoomLevel(oldZoomLevel);
453 }
454
455 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
456 {
457 if (m_controller->url() == url) {
458 return;
459 }
460
461 m_previewGenerator->cancelPreviews();
462 m_controller->setUrl(url); // emits urlChanged, which we forward
463
464 if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
465 applyViewProperties(rootUrl);
466 loadDirectory(rootUrl);
467 if (itemView() == m_columnView) {
468 m_columnView->setRootUrl(rootUrl);
469 m_columnView->showColumn(url);
470 }
471 } else {
472 applyViewProperties(url);
473 loadDirectory(url);
474 }
475
476 emit startedPathLoading(url);
477 }
478
479 void DolphinView::setNameFilter(const QString& nameFilter)
480 {
481 m_proxyModel->setFilterRegExp(nameFilter);
482
483 if (isColumnViewActive()) {
484 // adjusting the directory lister is not enough in the case of the
485 // column view, as each column has its own directory lister internally...
486 m_columnView->setNameFilter(nameFilter);
487 }
488 }
489
490 void DolphinView::calculateItemCount(int& fileCount, int& folderCount) const
491 {
492 foreach (const KFileItem& item, m_dirLister->items()) {
493 if (item.isDir()) {
494 ++folderCount;
495 } else {
496 ++fileCount;
497 }
498 }
499 }
500
501 QString DolphinView::statusBarText() const
502 {
503 if (hasSelection()) {
504 // give a summary of the status of the selected files
505 QString text;
506 const KFileItemList list = selectedItems();
507 if (list.isEmpty()) {
508 // when an item is triggered, it is temporary selected but selectedItems()
509 // will return an empty list
510 return QString();
511 }
512
513 int fileCount = 0;
514 int folderCount = 0;
515 KIO::filesize_t byteSize = 0;
516 KFileItemList::const_iterator it = list.begin();
517 const KFileItemList::const_iterator end = list.end();
518 while (it != end) {
519 const KFileItem& item = *it;
520 if (item.isDir()) {
521 ++folderCount;
522 } else {
523 ++fileCount;
524 byteSize += item.size();
525 }
526 ++it;
527 }
528
529 if (folderCount > 0) {
530 text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
531 if (fileCount > 0) {
532 text += ", ";
533 }
534 }
535
536 if (fileCount > 0) {
537 const QString sizeText(KIO::convertSize(byteSize));
538 text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
539 }
540 return text;
541 } else {
542 // Give a summary of the status of the current folder.
543 int folderCount = 0;
544 int fileCount = 0;
545 calculateItemCount(fileCount, folderCount);
546 return KIO::itemsSummaryString(fileCount + folderCount,
547 fileCount,
548 folderCount,
549 0, false);
550 }
551 }
552
553 void DolphinView::setUrl(const KUrl& url)
554 {
555 // remember current item candidate (see restoreCurrentItem())
556 m_currentItemUrl = url;
557 updateView(url, KUrl());
558 }
559
560 void DolphinView::changeSelection(const KFileItemList& selection)
561 {
562 clearSelection();
563 if (selection.isEmpty()) {
564 return;
565 }
566 const KUrl& baseUrl = url();
567 KUrl url;
568 QItemSelection new_selection;
569 foreach(const KFileItem& item, selection) {
570 url = item.url().upUrl();
571 if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
572 QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
573 new_selection.select(index, index);
574 }
575 }
576 itemView()->selectionModel()->select(new_selection,
577 QItemSelectionModel::ClearAndSelect
578 | QItemSelectionModel::Current);
579 }
580
581 void DolphinView::renameSelectedItems()
582 {
583 const KFileItemList items = selectedItems();
584 const int itemCount = items.count();
585 if (itemCount < 1) {
586 return;
587 }
588
589 if (itemCount > 1) {
590 // More than one item has been selected for renaming. Open
591 // a rename dialog and rename all items afterwards.
592 RenameDialog dialog(this, items);
593 if (dialog.exec() == QDialog::Rejected) {
594 return;
595 }
596
597 const QString newName = dialog.newName();
598 if (newName.isEmpty()) {
599 emit errorMessage(dialog.errorString());
600 } else {
601 // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
602 // as one operation instead of n rename operations like it is done now...
603 Q_ASSERT(newName.contains('#'));
604
605 // iterate through all selected items and rename them...
606 int index = 1;
607 foreach (const KFileItem &item, items) {
608 const KUrl& oldUrl = item.url();
609 QString number;
610 number.setNum(index++);
611
612 QString name = newName;
613 name.replace('#', number);
614
615 if (oldUrl.fileName() != name) {
616 KUrl newUrl = oldUrl;
617 newUrl.setFileName(name);
618 KonqOperations::rename(this, oldUrl, newUrl);
619 }
620 }
621 }
622 } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
623 Q_ASSERT(itemCount == 1);
624
625 if (isColumnViewActive()) {
626 m_columnView->editItem(items.first());
627 } else {
628 const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
629 const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
630 itemView()->edit(proxyIndex);
631 }
632 } else {
633 Q_ASSERT(itemCount == 1);
634
635 RenameDialog dialog(this, items);
636 if (dialog.exec() == QDialog::Rejected) {
637 return;
638 }
639
640 const QString& newName = dialog.newName();
641 if (newName.isEmpty()) {
642 emit errorMessage(dialog.errorString());
643 } else {
644 const KUrl& oldUrl = items.first().url();
645 KUrl newUrl = oldUrl;
646 newUrl.setFileName(newName);
647 KonqOperations::rename(this, oldUrl, newUrl);
648 }
649 }
650 }
651
652 void DolphinView::trashSelectedItems()
653 {
654 const KUrl::List list = simplifiedSelectedUrls();
655 KonqOperations::del(this, KonqOperations::TRASH, list);
656 }
657
658 void DolphinView::deleteSelectedItems()
659 {
660 const KUrl::List list = simplifiedSelectedUrls();
661 const bool del = KonqOperations::askDeleteConfirmation(list,
662 KonqOperations::DEL,
663 KonqOperations::DEFAULT_CONFIRMATION,
664 this);
665
666 if (del) {
667 KIO::Job* job = KIO::del(list);
668 connect(job, SIGNAL(result(KJob*)),
669 this, SLOT(slotDeleteFileFinished(KJob*)));
670 }
671 }
672
673 void DolphinView::cutSelectedItems()
674 {
675 QMimeData* mimeData = new QMimeData();
676 const KUrl::List kdeUrls = simplifiedSelectedUrls();
677 const KUrl::List mostLocalUrls;
678 KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
679 QApplication::clipboard()->setMimeData(mimeData);
680 }
681
682 void DolphinView::copySelectedItems()
683 {
684 QMimeData* mimeData = new QMimeData();
685 const KUrl::List kdeUrls = selectedUrls();
686 const KUrl::List mostLocalUrls;
687 KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
688 QApplication::clipboard()->setMimeData(mimeData);
689 }
690
691 void DolphinView::paste()
692 {
693 pasteToUrl(url());
694 }
695
696 void DolphinView::pasteIntoFolder()
697 {
698 const KFileItemList items = selectedItems();
699 if ((items.count() == 1) && items.first().isDir()) {
700 pasteToUrl(items.first().url());
701 }
702 }
703
704 void DolphinView::setShowPreview(bool show)
705 {
706 if (m_showPreview == show) {
707 return;
708 }
709
710 const KUrl viewPropsUrl = viewPropertiesUrl();
711 ViewProperties props(viewPropsUrl);
712 props.setShowPreview(show);
713
714 m_showPreview = show;
715 m_previewGenerator->setPreviewShown(show);
716
717 const int oldZoomLevel = m_controller->zoomLevel();
718 emit showPreviewChanged();
719
720 // Enabling or disabling the preview might change the icon size of the view.
721 // As the view does not emit a signal when the icon size has been changed,
722 // the used zoom level of the controller must be adjusted manually:
723 updateZoomLevel(oldZoomLevel);
724
725 loadDirectory(viewPropsUrl);
726 }
727
728 void DolphinView::setShowHiddenFiles(bool show)
729 {
730 if (m_dirLister->showingDotFiles() == show) {
731 return;
732 }
733
734 const KUrl viewPropsUrl = viewPropertiesUrl();
735 ViewProperties props(viewPropsUrl);
736 props.setShowHiddenFiles(show);
737
738 m_dirLister->setShowingDotFiles(show);
739 emit showHiddenFilesChanged();
740
741 loadDirectory(viewPropsUrl);
742 }
743
744 void DolphinView::setCategorizedSorting(bool categorized)
745 {
746 if (categorized == categorizedSorting()) {
747 return;
748 }
749
750 // setCategorizedSorting(true) may only get invoked
751 // if the view supports categorized sorting
752 Q_ASSERT(!categorized || supportsCategorizedSorting());
753
754 ViewProperties props(viewPropertiesUrl());
755 props.setCategorizedSorting(categorized);
756 props.save();
757
758 m_storedCategorizedSorting = categorized;
759 m_proxyModel->setCategorizedModel(categorized);
760
761 emit categorizedSortingChanged();
762 }
763
764 void DolphinView::toggleSortOrder()
765 {
766 const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
767 Qt::DescendingOrder :
768 Qt::AscendingOrder;
769 setSortOrder(order);
770 }
771
772 void DolphinView::toggleAdditionalInfo(QAction* action)
773 {
774 const KFileItemDelegate::Information info =
775 static_cast<KFileItemDelegate::Information>(action->data().toInt());
776
777 KFileItemDelegate::InformationList list = additionalInfo();
778
779 const bool show = action->isChecked();
780
781 const int index = list.indexOf(info);
782 const bool containsInfo = (index >= 0);
783 if (show && !containsInfo) {
784 list.append(info);
785 setAdditionalInfo(list);
786 } else if (!show && containsInfo) {
787 list.removeAt(index);
788 setAdditionalInfo(list);
789 Q_ASSERT(list.indexOf(info) < 0);
790 }
791 }
792
793 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
794 {
795 QWidget::mouseReleaseEvent(event);
796 setActive(true);
797 }
798
799 void DolphinView::wheelEvent(QWheelEvent* event)
800 {
801 if (event->modifiers() & Qt::ControlModifier) {
802 const int delta = event->delta();
803 const int level = zoomLevel();
804 if (delta > 0) {
805 setZoomLevel(level + 1);
806 } else if (delta < 0) {
807 setZoomLevel(level - 1);
808 }
809 event->accept();
810 }
811 }
812
813 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
814 {
815 switch (event->type()) {
816 case QEvent::FocusIn:
817 if (watched == itemView()) {
818 m_controller->requestActivation();
819 }
820 break;
821
822 case QEvent::MouseButtonPress:
823 if ((watched == itemView()->viewport()) && (m_expandedViews.count() > 0)) {
824 // Listening to a mousebutton press event to delete expanded views is a
825 // workaround, as it seems impossible for the FolderExpander to know when
826 // a dragging outside a view has been finished. However it works quite well:
827 // A mousebutton press event indicates that a drag operation must be
828 // finished already.
829 deleteExpandedViews();
830 }
831 break;
832 default:
833 break;
834 }
835
836 return QWidget::eventFilter(watched, event);
837 }
838
839 void DolphinView::activate()
840 {
841 setActive(true);
842 }
843
844 void DolphinView::triggerItem(const KFileItem& item)
845 {
846 const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
847 if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
848 // items are selected by the user, hence don't trigger the
849 // item specified by 'index'
850 return;
851 }
852
853 // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
854 if (item.isNull() || m_isContextMenuOpen) {
855 return;
856 }
857
858 if (m_toolTipManager != 0) {
859 m_toolTipManager->hideTip();
860 }
861 emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
862 }
863
864 void DolphinView::emitSelectionChangedSignal()
865 {
866 emit selectionChanged(DolphinView::selectedItems());
867 }
868
869 void DolphinView::openContextMenu(const QPoint& pos)
870 {
871 KFileItem item;
872 if (isColumnViewActive()) {
873 item = m_columnView->itemAt(pos);
874 } else {
875 const QModelIndex index = itemView()->indexAt(pos);
876 if (index.isValid() && (index.column() == DolphinModel::Name)) {
877 const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
878 item = m_dolphinModel->itemForIndex(dolphinModelIndex);
879 }
880 }
881
882 if (m_toolTipManager != 0) {
883 m_toolTipManager->hideTip();
884 }
885
886 m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
887 emit requestContextMenu(item, url());
888 m_isContextMenuOpen = false;
889 }
890
891 void DolphinView::dropUrls(const KFileItem& destItem,
892 const KUrl& destPath,
893 QDropEvent* event)
894 {
895 DragAndDropHelper::dropUrls(destItem, destPath, event, this);
896 }
897
898 void DolphinView::updateSorting(DolphinView::Sorting sorting)
899 {
900 ViewProperties props(viewPropertiesUrl());
901 props.setSorting(sorting);
902
903 m_proxyModel->setSorting(sorting);
904
905 emit sortingChanged(sorting);
906 }
907
908 void DolphinView::updateSortOrder(Qt::SortOrder order)
909 {
910 ViewProperties props(viewPropertiesUrl());
911 props.setSortOrder(order);
912
913 m_proxyModel->setSortOrder(order);
914
915 emit sortOrderChanged(order);
916 }
917
918 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
919 {
920 ViewProperties props(viewPropertiesUrl());
921 props.setAdditionalInfo(info);
922 props.save();
923
924 m_fileItemDelegate->setShowInformation(info);
925
926 emit additionalInfoChanged();
927 }
928
929 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
930 {
931 const bool enable = (m_mode == DolphinView::DetailsView) ||
932 (m_mode == DolphinView::IconsView);
933
934 QAction* showSizeInfo = collection->action("show_size_info");
935 QAction* showDateInfo = collection->action("show_date_info");
936 QAction* showPermissionsInfo = collection->action("show_permissions_info");
937 QAction* showOwnerInfo = collection->action("show_owner_info");
938 QAction* showGroupInfo = collection->action("show_group_info");
939 QAction* showMimeInfo = collection->action("show_mime_info");
940
941 showSizeInfo->setChecked(false);
942 showDateInfo->setChecked(false);
943 showPermissionsInfo->setChecked(false);
944 showOwnerInfo->setChecked(false);
945 showGroupInfo->setChecked(false);
946 showMimeInfo->setChecked(false);
947
948 showSizeInfo->setEnabled(enable);
949 showDateInfo->setEnabled(enable);
950 showPermissionsInfo->setEnabled(enable);
951 showOwnerInfo->setEnabled(enable);
952 showGroupInfo->setEnabled(enable);
953 showMimeInfo->setEnabled(enable);
954
955 foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
956 switch (info) {
957 case KFileItemDelegate::Size:
958 showSizeInfo->setChecked(true);
959 break;
960 case KFileItemDelegate::ModificationTime:
961 showDateInfo->setChecked(true);
962 break;
963 case KFileItemDelegate::Permissions:
964 showPermissionsInfo->setChecked(true);
965 break;
966 case KFileItemDelegate::Owner:
967 showOwnerInfo->setChecked(true);
968 break;
969 case KFileItemDelegate::OwnerAndGroup:
970 showGroupInfo->setChecked(true);
971 break;
972 case KFileItemDelegate::FriendlyMimeType:
973 showMimeInfo->setChecked(true);
974 break;
975 default:
976 break;
977 }
978 }
979 }
980
981 QPair<bool, QString> DolphinView::pasteInfo() const
982 {
983 QPair<bool, QString> ret;
984 QClipboard* clipboard = QApplication::clipboard();
985 const QMimeData* mimeData = clipboard->mimeData();
986
987 KUrl::List urls = KUrl::List::fromMimeData(mimeData);
988 if (!urls.isEmpty()) {
989 // disable the paste action if no writing is supported
990 KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url());
991 ret.first = KonqFileItemCapabilities(KFileItemList() << item).supportsWriting();
992
993 if (urls.count() == 1) {
994 const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, urls.first(), true);
995 ret.second = item.isDir() ? i18nc("@action:inmenu", "Paste One Folder") :
996 i18nc("@action:inmenu", "Paste One File");
997
998 } else {
999 ret.second = i18ncp("@action:inmenu", "Paste One Item", "Paste %1 Items", urls.count());
1000 }
1001 } else {
1002 ret.first = false;
1003 ret.second = i18nc("@action:inmenu", "Paste");
1004 }
1005
1006 return ret;
1007 }
1008
1009 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1010 {
1011 m_tabsForFiles = tabsForFiles;
1012 }
1013
1014 bool DolphinView::isTabsForFilesEnabled() const
1015 {
1016 return m_tabsForFiles;
1017 }
1018
1019 void DolphinView::emitContentsMoved()
1020 {
1021 // only emit the contents moved signal if:
1022 // - no directory loading is ongoing (this would reset the contents position
1023 // always to (0, 0))
1024 // - if the Column View is active: the column view does an automatic
1025 // positioning during the loading operation, which must be remembered
1026 if (!m_loadingDirectory || isColumnViewActive()) {
1027 const QPoint pos(contentsPosition());
1028 emit contentsMoved(pos.x(), pos.y());
1029 }
1030 }
1031
1032 void DolphinView::showHoverInformation(const KFileItem& item)
1033 {
1034 emit requestItemInfo(item);
1035 }
1036
1037 void DolphinView::clearHoverInformation()
1038 {
1039 emit requestItemInfo(KFileItem());
1040 }
1041
1042 void DolphinView::slotDeleteFileFinished(KJob* job)
1043 {
1044 if (job->error() == 0) {
1045 emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1046 } else if (job->error() != KIO::ERR_USER_CANCELED) {
1047 emit errorMessage(job->errorString());
1048 }
1049 }
1050
1051 void DolphinView::slotRequestUrlChange(const KUrl& url)
1052 {
1053 emit requestUrlChange(url);
1054 m_controller->setUrl(url);
1055 }
1056
1057 void DolphinView::restoreCurrentItem()
1058 {
1059 const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1060 if (dirIndex.isValid()) {
1061 const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1062 QAbstractItemView* view = itemView();
1063 const bool clearSelection = !hasSelection();
1064 view->setCurrentIndex(proxyIndex);
1065 if (clearSelection) {
1066 view->clearSelection();
1067 }
1068 }
1069 }
1070
1071 void DolphinView::enterDir(const QModelIndex& index, QAbstractItemView* view)
1072 {
1073 // Deleting a view that is the root of a drag operation is not allowed, otherwise
1074 // the dragging gets automatically cancelled by Qt. So before entering a new
1075 // directory, the current view is remembered in m_expandedViews and deleted
1076 // later when the drag operation has been finished (see DolphinView::eventFilter()).
1077 m_expandedViews.append(view);
1078 m_controller->triggerItem(index);
1079 }
1080
1081 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1082 {
1083 if (!url.isValid()) {
1084 const QString location(url.pathOrUrl());
1085 if (location.isEmpty()) {
1086 emit errorMessage(i18nc("@info:status", "The location is empty."));
1087 } else {
1088 emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1089 }
1090 return;
1091 }
1092
1093 m_loadingDirectory = true;
1094
1095 m_dirLister->stop();
1096 m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1097
1098 if (isColumnViewActive()) {
1099 // adjusting the directory lister is not enough in the case of the
1100 // column view, as each column has its own directory lister internally...
1101 if (reload) {
1102 m_columnView->reload();
1103 } else {
1104 m_columnView->showColumn(url);
1105 }
1106 }
1107 }
1108
1109 KUrl DolphinView::viewPropertiesUrl() const
1110 {
1111 if (isColumnViewActive()) {
1112 return m_columnView->rootUrl();
1113 }
1114
1115 return url();
1116 }
1117
1118 void DolphinView::applyViewProperties(const KUrl& url)
1119 {
1120 if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1121 // The column view is active, hence don't apply the view properties
1122 // of sub directories (represented by columns) to the view. The
1123 // view always represents the properties of the first column.
1124 return;
1125 }
1126
1127 const ViewProperties props(url);
1128
1129 const Mode mode = props.viewMode();
1130 if (m_mode != mode) {
1131 const int oldZoomLevel = m_controller->zoomLevel();
1132
1133 m_mode = mode;
1134 createView();
1135 emit modeChanged();
1136
1137 updateZoomLevel(oldZoomLevel);
1138 }
1139 if (itemView() == 0) {
1140 createView();
1141 }
1142 Q_ASSERT(itemView() != 0);
1143 Q_ASSERT(m_fileItemDelegate != 0);
1144
1145 const bool showHiddenFiles = props.showHiddenFiles();
1146 if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1147 m_dirLister->setShowingDotFiles(showHiddenFiles);
1148 emit showHiddenFilesChanged();
1149 }
1150
1151 m_storedCategorizedSorting = props.categorizedSorting();
1152 const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1153 if (categorized != m_proxyModel->isCategorizedModel()) {
1154 m_proxyModel->setCategorizedModel(categorized);
1155 emit categorizedSortingChanged();
1156 }
1157
1158 const DolphinView::Sorting sorting = props.sorting();
1159 if (sorting != m_proxyModel->sorting()) {
1160 m_proxyModel->setSorting(sorting);
1161 emit sortingChanged(sorting);
1162 }
1163
1164 const Qt::SortOrder sortOrder = props.sortOrder();
1165 if (sortOrder != m_proxyModel->sortOrder()) {
1166 m_proxyModel->setSortOrder(sortOrder);
1167 emit sortOrderChanged(sortOrder);
1168 }
1169
1170 KFileItemDelegate::InformationList info = props.additionalInfo();
1171 if (info != m_fileItemDelegate->showInformation()) {
1172 m_fileItemDelegate->setShowInformation(info);
1173 emit additionalInfoChanged();
1174 }
1175
1176 const bool showPreview = props.showPreview();
1177 if (showPreview != m_showPreview) {
1178 m_showPreview = showPreview;
1179 m_previewGenerator->setPreviewShown(showPreview);
1180
1181 const int oldZoomLevel = m_controller->zoomLevel();
1182 emit showPreviewChanged();
1183
1184 // Enabling or disabling the preview might change the icon size of the view.
1185 // As the view does not emit a signal when the icon size has been changed,
1186 // the used zoom level of the controller must be adjusted manually:
1187 updateZoomLevel(oldZoomLevel);
1188 }
1189 }
1190
1191 void DolphinView::createView()
1192 {
1193 deleteView();
1194 Q_ASSERT(m_iconsView == 0);
1195 Q_ASSERT(m_detailsView == 0);
1196 Q_ASSERT(m_columnView == 0);
1197
1198 QAbstractItemView* view = 0;
1199 switch (m_mode) {
1200 case IconsView: {
1201 m_iconsView = new DolphinIconsView(this, m_controller);
1202 view = m_iconsView;
1203 break;
1204 }
1205
1206 case DetailsView:
1207 m_detailsView = new DolphinDetailsView(this, m_controller);
1208 view = m_detailsView;
1209 break;
1210
1211 case ColumnView:
1212 m_columnView = new DolphinColumnView(this, m_controller);
1213 view = m_columnView;
1214 break;
1215 }
1216
1217 Q_ASSERT(view != 0);
1218 view->installEventFilter(this);
1219 view->viewport()->installEventFilter(this);
1220
1221 if (m_mode != ColumnView) {
1222 // Give the view the ability to auto-expand its directories on hovering
1223 // (the column view takes care about this itself). If the details view
1224 // uses expandable folders, the auto-expanding should be used always.
1225 DolphinSettings& settings = DolphinSettings::instance();
1226 const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1227 ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1228
1229 FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1230 folderExpander->setEnabled(enabled);
1231 connect(folderExpander, SIGNAL(enterDir(const QModelIndex&, QAbstractItemView*)),
1232 this, SLOT(enterDir(const QModelIndex&, QAbstractItemView*)));
1233 }
1234
1235 m_controller->setItemView(view);
1236
1237 m_fileItemDelegate = new DolphinFileItemDelegate(view);
1238 m_fileItemDelegate->setShowToolTipWhenElided(false);
1239 m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1240 view->setItemDelegate(m_fileItemDelegate);
1241
1242 view->setModel(m_proxyModel);
1243 if (m_selectionModel != 0) {
1244 view->setSelectionModel(m_selectionModel);
1245 } else {
1246 m_selectionModel = view->selectionModel();
1247 }
1248
1249 // reparent the selection model, as it should not be deleted
1250 // when deleting the model
1251 m_selectionModel->setParent(this);
1252
1253 view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1254
1255 m_previewGenerator = new KFilePreviewGenerator(view);
1256 m_previewGenerator->setPreviewShown(m_showPreview);
1257
1258 if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1259 m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1260 connect(m_controller, SIGNAL(hideToolTip()),
1261 m_toolTipManager, SLOT(hideTip()));
1262 }
1263
1264 m_topLayout->insertWidget(1, view);
1265
1266 connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1267 this, SLOT(emitSelectionChangedSignal()));
1268 connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1269 this, SLOT(emitContentsMoved()));
1270 connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1271 this, SLOT(emitContentsMoved()));
1272 }
1273
1274 void DolphinView::deleteView()
1275 {
1276 QAbstractItemView* view = itemView();
1277 if (view != 0) {
1278 // It's important to set the keyboard focus to the parent
1279 // before deleting the view: Otherwise when having a split
1280 // view the other view will get the focus and will request
1281 // an activation (see DolphinView::eventFilter()).
1282 setFocus();
1283
1284 m_topLayout->removeWidget(view);
1285 view->close();
1286
1287 bool deleteView = true;
1288 foreach (const QAbstractItemView* expandedView, m_expandedViews) {
1289 if (view == expandedView) {
1290 // the current view got already expanded and must stay alive
1291 // until the dragging has been completed
1292 deleteView = false;
1293 break;
1294 }
1295 }
1296 if (deleteView) {
1297 view->deleteLater();
1298 }
1299 view = 0;
1300
1301 m_iconsView = 0;
1302 m_detailsView = 0;
1303 m_columnView = 0;
1304 m_fileItemDelegate = 0;
1305 m_previewGenerator = 0;
1306 m_toolTipManager = 0;
1307 }
1308 }
1309
1310 QAbstractItemView* DolphinView::itemView() const
1311 {
1312 if (m_detailsView != 0) {
1313 return m_detailsView;
1314 } else if (m_columnView != 0) {
1315 return m_columnView;
1316 }
1317
1318 return m_iconsView;
1319 }
1320
1321 bool DolphinView::isCutItem(const KFileItem& item) const
1322 {
1323 const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1324 const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1325
1326 const KUrl& itemUrl = item.url();
1327 KUrl::List::const_iterator it = cutUrls.begin();
1328 const KUrl::List::const_iterator end = cutUrls.end();
1329 while (it != end) {
1330 if (*it == itemUrl) {
1331 return true;
1332 }
1333 ++it;
1334 }
1335
1336 return false;
1337 }
1338
1339 void DolphinView::pasteToUrl(const KUrl& url)
1340 {
1341 QClipboard* clipboard = QApplication::clipboard();
1342 const QMimeData* mimeData = clipboard->mimeData();
1343
1344 const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1345 if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1346 KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, url);
1347 clipboard->clear();
1348 } else {
1349 KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, url);
1350 }
1351 }
1352
1353 void DolphinView::updateZoomLevel(int oldZoomLevel)
1354 {
1355 const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1356 if (oldZoomLevel != newZoomLevel) {
1357 m_controller->setZoomLevel(newZoomLevel);
1358 emit zoomLevelChanged(newZoomLevel);
1359 }
1360 }
1361
1362 KUrl::List DolphinView::simplifiedSelectedUrls() const
1363 {
1364 KUrl::List list = selectedUrls();
1365 if (itemsExpandable() ) {
1366 list = KonqOperations::simplifiedUrlList(list);
1367 }
1368 return list;
1369 }
1370
1371 void DolphinView::deleteExpandedViews()
1372 {
1373 const QAbstractItemView* view = itemView();
1374 foreach (QAbstractItemView* expandedView, m_expandedViews) {
1375 if (expandedView != view) {
1376 expandedView->deleteLater();
1377 }
1378 }
1379 m_expandedViews.clear();
1380 }
1381
1382 bool DolphinView::itemsExpandable() const
1383 {
1384 return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1385 }
1386
1387 #include "dolphinview.moc"