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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
226 updateZoomLevel(oldZoomLevel);
227 if (m_showPreview) {
228 loadDirectory(viewPropsUrl);
229 }
230 }
231
232 DolphinView::Mode DolphinView::mode() const
233 {
234 return m_mode;
235 }
236
237 bool DolphinView::showPreview() const
238 {
239 return m_showPreview;
240 }
241
242 bool DolphinView::showHiddenFiles() const
243 {
244 return m_dirLister->showingDotFiles();
245 }
246
247 bool DolphinView::categorizedSorting() const
248 {
249 // If all view modes would support categorized sorting, returning
250 // m_proxyModel->isCategorizedModel() would be the way to go. As
251 // currently only the icons view supports caterized sorting, we remember
252 // the stored view properties state in m_storedCategorizedSorting and
253 // return this state. The application takes care to disable the corresponding
254 // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
255 // that this setting is not applied to the current view mode.
256 return m_storedCategorizedSorting;
257 }
258
259 bool DolphinView::supportsCategorizedSorting() const
260 {
261 return m_iconsView != 0;
262 }
263
264 void DolphinView::selectAll()
265 {
266 QAbstractItemView* view = itemView();
267 // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
268 // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
269 // selection instead of selecting all items. This is bypassed for KDE 4.0
270 // by invoking clearSelection() first.
271 view->clearSelection();
272 view->selectAll();
273 }
274
275 void DolphinView::invertSelection()
276 {
277 if (isColumnViewActive()) {
278 // QAbstractItemView does not offer a virtual method invertSelection()
279 // as counterpart to QAbstractItemView::selectAll(). This makes it
280 // necessary to delegate the inverting of the selection to the
281 // column view, as only the selection of the active column should
282 // get inverted.
283 m_columnView->invertSelection();
284 } else {
285 QItemSelectionModel* selectionModel = itemView()->selectionModel();
286 const QAbstractItemModel* itemModel = selectionModel->model();
287
288 const QModelIndex topLeft = itemModel->index(0, 0);
289 const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
290 itemModel->columnCount() - 1);
291
292 const QItemSelection selection(topLeft, bottomRight);
293 selectionModel->select(selection, QItemSelectionModel::Toggle);
294 }
295 }
296
297 bool DolphinView::hasSelection() const
298 {
299 return itemView()->selectionModel()->hasSelection();
300 }
301
302 void DolphinView::clearSelection()
303 {
304 itemView()->selectionModel()->clear();
305 }
306
307 KFileItemList DolphinView::selectedItems() const
308 {
309 if (isColumnViewActive()) {
310 return m_columnView->selectedItems();
311 }
312
313 const QAbstractItemView* view = itemView();
314
315 // Our view has a selection, we will map them back to the DolphinModel
316 // and then fill the KFileItemList.
317 Q_ASSERT((view != 0) && (view->selectionModel() != 0));
318
319 const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
320 KFileItemList itemList;
321
322 const QModelIndexList indexList = selection.indexes();
323 foreach (const QModelIndex &index, indexList) {
324 KFileItem item = m_dolphinModel->itemForIndex(index);
325 if (!item.isNull()) {
326 itemList.append(item);
327 }
328 }
329
330 return itemList;
331 }
332
333 KUrl::List DolphinView::selectedUrls() const
334 {
335 KUrl::List urls;
336 const KFileItemList list = selectedItems();
337 foreach (const KFileItem &item, list) {
338 urls.append(item.url());
339 }
340 return urls;
341 }
342
343 int DolphinView::selectedItemsCount() const
344 {
345 if (isColumnViewActive()) {
346 // TODO: get rid of this special case by adjusting the dir lister
347 // to the current column
348 return m_columnView->selectedItems().count();
349 }
350
351 return itemView()->selectionModel()->selection().count();
352 }
353
354 void DolphinView::setContentsPosition(int x, int y)
355 {
356 QAbstractItemView* view = itemView();
357
358 // the ColumnView takes care itself for the horizontal scrolling
359 if (!isColumnViewActive()) {
360 view->horizontalScrollBar()->setValue(x);
361 }
362 view->verticalScrollBar()->setValue(y);
363
364 m_loadingDirectory = false;
365 }
366
367 QPoint DolphinView::contentsPosition() const
368 {
369 const int x = itemView()->horizontalScrollBar()->value();
370 const int y = itemView()->verticalScrollBar()->value();
371 return QPoint(x, y);
372 }
373
374 void DolphinView::setZoomLevel(int level)
375 {
376 if (level < ZoomLevelInfo::minimumLevel()) {
377 level = ZoomLevelInfo::minimumLevel();
378 } else if (level > ZoomLevelInfo::maximumLevel()) {
379 level = ZoomLevelInfo::maximumLevel();
380 }
381
382 if (level != zoomLevel()) {
383 m_controller->setZoomLevel(level);
384 m_previewGenerator->updatePreviews();
385 emit zoomLevelChanged(level);
386 }
387 }
388
389 int DolphinView::zoomLevel() const
390 {
391 return m_controller->zoomLevel();
392 }
393
394 void DolphinView::setSorting(Sorting sorting)
395 {
396 if (sorting != this->sorting()) {
397 updateSorting(sorting);
398 }
399 }
400
401 DolphinView::Sorting DolphinView::sorting() const
402 {
403 return m_proxyModel->sorting();
404 }
405
406 void DolphinView::setSortOrder(Qt::SortOrder order)
407 {
408 if (sortOrder() != order) {
409 updateSortOrder(order);
410 }
411 }
412
413 Qt::SortOrder DolphinView::sortOrder() const
414 {
415 return m_proxyModel->sortOrder();
416 }
417
418 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
419 {
420 const KUrl viewPropsUrl = viewPropertiesUrl();
421 ViewProperties props(viewPropsUrl);
422 props.setAdditionalInfo(info);
423 m_fileItemDelegate->setShowInformation(info);
424
425 emit additionalInfoChanged();
426
427 if (itemView() != m_detailsView) {
428 // the details view requires no reloading of the directory, as it maps
429 // the file item delegate info to its columns internally
430 loadDirectory(viewPropsUrl);
431 }
432 }
433
434 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
435 {
436 return m_fileItemDelegate->showInformation();
437 }
438
439 void DolphinView::reload()
440 {
441 setUrl(url());
442 loadDirectory(url(), true);
443 }
444
445 void DolphinView::refresh()
446 {
447 const bool oldActivationState = m_active;
448 const int oldZoomLevel = m_controller->zoomLevel();
449 m_active = true;
450
451 createView();
452 applyViewProperties(m_controller->url());
453 reload();
454
455 setActive(oldActivationState);
456 updateZoomLevel(oldZoomLevel);
457 }
458
459 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
460 {
461 if (m_controller->url() == url) {
462 return;
463 }
464
465 m_previewGenerator->cancelPreviews();
466 m_controller->setUrl(url); // emits urlChanged, which we forward
467
468 if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
469 applyViewProperties(rootUrl);
470 loadDirectory(rootUrl);
471 if (itemView() == m_columnView) {
472 m_columnView->setRootUrl(rootUrl);
473 m_columnView->showColumn(url);
474 }
475 } else {
476 applyViewProperties(url);
477 loadDirectory(url);
478 }
479
480 emit startedPathLoading(url);
481 }
482
483 void DolphinView::setNameFilter(const QString& nameFilter)
484 {
485 m_proxyModel->setFilterRegExp(nameFilter);
486
487 if (isColumnViewActive()) {
488 // adjusting the directory lister is not enough in the case of the
489 // column view, as each column has its own directory lister internally...
490 m_columnView->setNameFilter(nameFilter);
491 }
492 }
493
494 void DolphinView::calculateItemCount(int& fileCount,
495 int& folderCount,
496 KIO::filesize_t& totalFileSize) const
497 {
498 foreach (const KFileItem& item, m_dirLister->items()) {
499 if (item.isDir()) {
500 ++folderCount;
501 } else {
502 ++fileCount;
503 totalFileSize += item.size();
504 }
505 }
506 }
507
508 QString DolphinView::statusBarText() const
509 {
510 QString text;
511 int folderCount = 0;
512 int fileCount = 0;
513 KIO::filesize_t totalFileSize = 0;
514
515 if (hasSelection()) {
516 // give a summary of the status of the selected files
517 const KFileItemList list = selectedItems();
518 if (list.isEmpty()) {
519 // when an item is triggered, it is temporary selected but selectedItems()
520 // will return an empty list
521 return text;
522 }
523
524 KFileItemList::const_iterator it = list.begin();
525 const KFileItemList::const_iterator end = list.end();
526 while (it != end) {
527 const KFileItem& item = *it;
528 if (item.isDir()) {
529 ++folderCount;
530 } else {
531 ++fileCount;
532 totalFileSize += item.size();
533 }
534 ++it;
535 }
536
537 if (folderCount + fileCount == 1) {
538 // if only one item is selected, show the filename
539 const QString name = list.first().name();
540 text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
541 i18nc("@info:status", "<filename>%1</filename> selected (%2)",
542 name, KIO::convertSize(totalFileSize));
543 } else {
544 // at least 2 items are selected
545 const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
546 const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
547 if ((folderCount > 0) && (fileCount > 0)) {
548 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
549 foldersText, filesText, KIO::convertSize(totalFileSize));
550 } else if (fileCount > 0) {
551 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
552 } else {
553 Q_ASSERT(folderCount > 0);
554 text = foldersText;
555 }
556 }
557 } else {
558 calculateItemCount(fileCount, folderCount, totalFileSize);
559 text = KIO::itemsSummaryString(fileCount + folderCount,
560 fileCount, folderCount,
561 totalFileSize, true);
562 }
563
564 return text;
565 }
566
567 void DolphinView::setUrl(const KUrl& url)
568 {
569 // remember current item candidate (see restoreCurrentItem())
570 m_currentItemUrl = url;
571 updateView(url, KUrl());
572 }
573
574 void DolphinView::changeSelection(const KFileItemList& selection)
575 {
576 clearSelection();
577 if (selection.isEmpty()) {
578 return;
579 }
580 const KUrl& baseUrl = url();
581 KUrl url;
582 QItemSelection new_selection;
583 foreach(const KFileItem& item, selection) {
584 url = item.url().upUrl();
585 if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
586 QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
587 new_selection.select(index, index);
588 }
589 }
590 itemView()->selectionModel()->select(new_selection,
591 QItemSelectionModel::ClearAndSelect
592 | QItemSelectionModel::Current);
593 }
594
595 void DolphinView::renameSelectedItems()
596 {
597 const KFileItemList items = selectedItems();
598 const int itemCount = items.count();
599 if (itemCount < 1) {
600 return;
601 }
602
603 if (itemCount > 1) {
604 // More than one item has been selected for renaming. Open
605 // a rename dialog and rename all items afterwards.
606 RenameDialog dialog(this, items);
607 if (dialog.exec() == QDialog::Rejected) {
608 return;
609 }
610
611 const QString newName = dialog.newName();
612 if (newName.isEmpty()) {
613 emit errorMessage(dialog.errorString());
614 } else {
615 // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
616 // as one operation instead of n rename operations like it is done now...
617 Q_ASSERT(newName.contains('#'));
618
619 // iterate through all selected items and rename them...
620 int index = 1;
621 foreach (const KFileItem &item, items) {
622 const KUrl& oldUrl = item.url();
623 QString number;
624 number.setNum(index++);
625
626 QString name = newName;
627 name.replace('#', number);
628
629 if (oldUrl.fileName() != name) {
630 KUrl newUrl = oldUrl;
631 newUrl.setFileName(name);
632 KonqOperations::rename(this, oldUrl, newUrl);
633 }
634 }
635 }
636 } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
637 Q_ASSERT(itemCount == 1);
638
639 if (isColumnViewActive()) {
640 m_columnView->editItem(items.first());
641 } else {
642 const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
643 const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
644 itemView()->edit(proxyIndex);
645 }
646 } else {
647 Q_ASSERT(itemCount == 1);
648
649 RenameDialog dialog(this, items);
650 if (dialog.exec() == QDialog::Rejected) {
651 return;
652 }
653
654 const QString& newName = dialog.newName();
655 if (newName.isEmpty()) {
656 emit errorMessage(dialog.errorString());
657 } else {
658 const KUrl& oldUrl = items.first().url();
659 KUrl newUrl = oldUrl;
660 newUrl.setFileName(newName);
661 KonqOperations::rename(this, oldUrl, newUrl);
662 }
663 }
664 }
665
666 void DolphinView::trashSelectedItems()
667 {
668 const KUrl::List list = simplifiedSelectedUrls();
669 KonqOperations::del(this, KonqOperations::TRASH, list);
670 }
671
672 void DolphinView::deleteSelectedItems()
673 {
674 const KUrl::List list = simplifiedSelectedUrls();
675 const bool del = KonqOperations::askDeleteConfirmation(list,
676 KonqOperations::DEL,
677 KonqOperations::DEFAULT_CONFIRMATION,
678 this);
679
680 if (del) {
681 KIO::Job* job = KIO::del(list);
682 connect(job, SIGNAL(result(KJob*)),
683 this, SLOT(slotDeleteFileFinished(KJob*)));
684 }
685 }
686
687 void DolphinView::cutSelectedItems()
688 {
689 QMimeData* mimeData = new QMimeData();
690 const KUrl::List kdeUrls = simplifiedSelectedUrls();
691 const KUrl::List mostLocalUrls;
692 KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
693 QApplication::clipboard()->setMimeData(mimeData);
694 }
695
696 void DolphinView::copySelectedItems()
697 {
698 QMimeData* mimeData = new QMimeData();
699 const KUrl::List kdeUrls = selectedUrls();
700 const KUrl::List mostLocalUrls;
701 KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, false);
702 QApplication::clipboard()->setMimeData(mimeData);
703 }
704
705 void DolphinView::paste()
706 {
707 pasteToUrl(url());
708 }
709
710 void DolphinView::pasteIntoFolder()
711 {
712 const KFileItemList items = selectedItems();
713 if ((items.count() == 1) && items.first().isDir()) {
714 pasteToUrl(items.first().url());
715 }
716 }
717
718 void DolphinView::setShowPreview(bool show)
719 {
720 if (m_showPreview == show) {
721 return;
722 }
723
724 const KUrl viewPropsUrl = viewPropertiesUrl();
725 ViewProperties props(viewPropsUrl);
726 props.setShowPreview(show);
727
728 m_showPreview = show;
729 m_previewGenerator->setPreviewShown(show);
730
731 const int oldZoomLevel = m_controller->zoomLevel();
732 emit showPreviewChanged();
733
734 // Enabling or disabling the preview might change the icon size of the view.
735 // As the view does not emit a signal when the icon size has been changed,
736 // the used zoom level of the controller must be adjusted manually:
737 updateZoomLevel(oldZoomLevel);
738
739 loadDirectory(viewPropsUrl);
740 }
741
742 void DolphinView::setShowHiddenFiles(bool show)
743 {
744 if (m_dirLister->showingDotFiles() == show) {
745 return;
746 }
747
748 const KUrl viewPropsUrl = viewPropertiesUrl();
749 ViewProperties props(viewPropsUrl);
750 props.setShowHiddenFiles(show);
751
752 m_dirLister->setShowingDotFiles(show);
753 emit showHiddenFilesChanged();
754
755 loadDirectory(viewPropsUrl);
756 }
757
758 void DolphinView::setCategorizedSorting(bool categorized)
759 {
760 if (categorized == categorizedSorting()) {
761 return;
762 }
763
764 // setCategorizedSorting(true) may only get invoked
765 // if the view supports categorized sorting
766 Q_ASSERT(!categorized || supportsCategorizedSorting());
767
768 ViewProperties props(viewPropertiesUrl());
769 props.setCategorizedSorting(categorized);
770 props.save();
771
772 m_storedCategorizedSorting = categorized;
773 m_proxyModel->setCategorizedModel(categorized);
774
775 emit categorizedSortingChanged();
776 }
777
778 void DolphinView::toggleSortOrder()
779 {
780 const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
781 Qt::DescendingOrder :
782 Qt::AscendingOrder;
783 setSortOrder(order);
784 }
785
786 void DolphinView::toggleAdditionalInfo(QAction* action)
787 {
788 const KFileItemDelegate::Information info =
789 static_cast<KFileItemDelegate::Information>(action->data().toInt());
790
791 KFileItemDelegate::InformationList list = additionalInfo();
792
793 const bool show = action->isChecked();
794
795 const int index = list.indexOf(info);
796 const bool containsInfo = (index >= 0);
797 if (show && !containsInfo) {
798 list.append(info);
799 setAdditionalInfo(list);
800 } else if (!show && containsInfo) {
801 list.removeAt(index);
802 setAdditionalInfo(list);
803 Q_ASSERT(list.indexOf(info) < 0);
804 }
805 }
806
807 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
808 {
809 QWidget::mouseReleaseEvent(event);
810 setActive(true);
811 }
812
813 void DolphinView::wheelEvent(QWheelEvent* event)
814 {
815 if (event->modifiers() & Qt::ControlModifier) {
816 const int delta = event->delta();
817 const int level = zoomLevel();
818 if (delta > 0) {
819 setZoomLevel(level + 1);
820 } else if (delta < 0) {
821 setZoomLevel(level - 1);
822 }
823 event->accept();
824 }
825 }
826
827 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
828 {
829 switch (event->type()) {
830 case QEvent::FocusIn:
831 if (watched == itemView()) {
832 m_controller->requestActivation();
833 }
834 break;
835
836 case QEvent::MouseButtonPress:
837 if ((watched == itemView()->viewport()) && (m_expandedViews.count() > 0)) {
838 // Listening to a mousebutton press event to delete expanded views is a
839 // workaround, as it seems impossible for the FolderExpander to know when
840 // a dragging outside a view has been finished. However it works quite well:
841 // A mousebutton press event indicates that a drag operation must be
842 // finished already.
843 deleteExpandedViews();
844 }
845 break;
846
847 case QEvent::DragEnter:
848 if (watched == itemView()->viewport()) {
849 setActive(true);
850 }
851 break;
852
853 default:
854 break;
855 }
856
857 return QWidget::eventFilter(watched, event);
858 }
859
860 void DolphinView::activate()
861 {
862 setActive(true);
863 }
864
865 void DolphinView::triggerItem(const KFileItem& item)
866 {
867 const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
868 if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
869 // items are selected by the user, hence don't trigger the
870 // item specified by 'index'
871 return;
872 }
873
874 // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
875 if (item.isNull() || m_isContextMenuOpen) {
876 return;
877 }
878
879 if (m_toolTipManager != 0) {
880 m_toolTipManager->hideTip();
881 }
882 emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
883 }
884
885 void DolphinView::emitSelectionChangedSignal()
886 {
887 emit selectionChanged(DolphinView::selectedItems());
888 }
889
890 void DolphinView::openContextMenu(const QPoint& pos)
891 {
892 KFileItem item;
893 if (isColumnViewActive()) {
894 item = m_columnView->itemAt(pos);
895 } else {
896 const QModelIndex index = itemView()->indexAt(pos);
897 if (index.isValid() && (index.column() == DolphinModel::Name)) {
898 const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
899 item = m_dolphinModel->itemForIndex(dolphinModelIndex);
900 }
901 }
902
903 if (m_toolTipManager != 0) {
904 m_toolTipManager->hideTip();
905 }
906
907 m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
908 emit requestContextMenu(item, url());
909 m_isContextMenuOpen = false;
910 }
911
912 void DolphinView::dropUrls(const KFileItem& destItem,
913 const KUrl& destPath,
914 QDropEvent* event)
915 {
916 DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
917 }
918
919 void DolphinView::updateSorting(DolphinView::Sorting sorting)
920 {
921 ViewProperties props(viewPropertiesUrl());
922 props.setSorting(sorting);
923
924 m_proxyModel->setSorting(sorting);
925
926 emit sortingChanged(sorting);
927 }
928
929 void DolphinView::updateSortOrder(Qt::SortOrder order)
930 {
931 ViewProperties props(viewPropertiesUrl());
932 props.setSortOrder(order);
933
934 m_proxyModel->setSortOrder(order);
935
936 emit sortOrderChanged(order);
937 }
938
939 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
940 {
941 ViewProperties props(viewPropertiesUrl());
942 props.setAdditionalInfo(info);
943 props.save();
944
945 m_fileItemDelegate->setShowInformation(info);
946
947 emit additionalInfoChanged();
948 }
949
950 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
951 {
952 const bool enable = (m_mode == DolphinView::DetailsView) ||
953 (m_mode == DolphinView::IconsView);
954
955 QAction* showSizeInfo = collection->action("show_size_info");
956 QAction* showDateInfo = collection->action("show_date_info");
957 QAction* showPermissionsInfo = collection->action("show_permissions_info");
958 QAction* showOwnerInfo = collection->action("show_owner_info");
959 QAction* showGroupInfo = collection->action("show_group_info");
960 QAction* showMimeInfo = collection->action("show_mime_info");
961
962 showSizeInfo->setChecked(false);
963 showDateInfo->setChecked(false);
964 showPermissionsInfo->setChecked(false);
965 showOwnerInfo->setChecked(false);
966 showGroupInfo->setChecked(false);
967 showMimeInfo->setChecked(false);
968
969 showSizeInfo->setEnabled(enable);
970 showDateInfo->setEnabled(enable);
971 showPermissionsInfo->setEnabled(enable);
972 showOwnerInfo->setEnabled(enable);
973 showGroupInfo->setEnabled(enable);
974 showMimeInfo->setEnabled(enable);
975
976 foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
977 switch (info) {
978 case KFileItemDelegate::Size:
979 showSizeInfo->setChecked(true);
980 break;
981 case KFileItemDelegate::ModificationTime:
982 showDateInfo->setChecked(true);
983 break;
984 case KFileItemDelegate::Permissions:
985 showPermissionsInfo->setChecked(true);
986 break;
987 case KFileItemDelegate::Owner:
988 showOwnerInfo->setChecked(true);
989 break;
990 case KFileItemDelegate::OwnerAndGroup:
991 showGroupInfo->setChecked(true);
992 break;
993 case KFileItemDelegate::FriendlyMimeType:
994 showMimeInfo->setChecked(true);
995 break;
996 default:
997 break;
998 }
999 }
1000 }
1001
1002 QPair<bool, QString> DolphinView::pasteInfo() const
1003 {
1004 QPair<bool, QString> ret;
1005 QClipboard* clipboard = QApplication::clipboard();
1006 const QMimeData* mimeData = clipboard->mimeData();
1007
1008 KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1009 if (!urls.isEmpty()) {
1010 // disable the paste action if no writing is supported
1011 KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url());
1012 ret.first = KonqFileItemCapabilities(KFileItemList() << item).supportsWriting();
1013
1014 if (urls.count() == 1) {
1015 const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, urls.first(), true);
1016 ret.second = item.isDir() ? i18nc("@action:inmenu", "Paste One Folder") :
1017 i18nc("@action:inmenu", "Paste One File");
1018
1019 } else {
1020 ret.second = i18ncp("@action:inmenu", "Paste One Item", "Paste %1 Items", urls.count());
1021 }
1022 } else {
1023 ret.first = false;
1024 ret.second = i18nc("@action:inmenu", "Paste");
1025 }
1026
1027 return ret;
1028 }
1029
1030 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1031 {
1032 m_tabsForFiles = tabsForFiles;
1033 }
1034
1035 bool DolphinView::isTabsForFilesEnabled() const
1036 {
1037 return m_tabsForFiles;
1038 }
1039
1040 void DolphinView::emitContentsMoved()
1041 {
1042 // only emit the contents moved signal if:
1043 // - no directory loading is ongoing (this would reset the contents position
1044 // always to (0, 0))
1045 // - if the Column View is active: the column view does an automatic
1046 // positioning during the loading operation, which must be remembered
1047 if (!m_loadingDirectory || isColumnViewActive()) {
1048 const QPoint pos(contentsPosition());
1049 emit contentsMoved(pos.x(), pos.y());
1050 }
1051 }
1052
1053 void DolphinView::showHoverInformation(const KFileItem& item)
1054 {
1055 emit requestItemInfo(item);
1056 }
1057
1058 void DolphinView::clearHoverInformation()
1059 {
1060 emit requestItemInfo(KFileItem());
1061 }
1062
1063 void DolphinView::slotDeleteFileFinished(KJob* job)
1064 {
1065 if (job->error() == 0) {
1066 emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1067 } else if (job->error() != KIO::ERR_USER_CANCELED) {
1068 emit errorMessage(job->errorString());
1069 }
1070 }
1071
1072 void DolphinView::slotRequestUrlChange(const KUrl& url)
1073 {
1074 emit requestUrlChange(url);
1075 m_controller->setUrl(url);
1076 }
1077
1078 void DolphinView::restoreCurrentItem()
1079 {
1080 const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1081 if (dirIndex.isValid()) {
1082 const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1083 QAbstractItemView* view = itemView();
1084 const bool clearSelection = !hasSelection();
1085 view->setCurrentIndex(proxyIndex);
1086 if (clearSelection) {
1087 view->clearSelection();
1088 }
1089 }
1090 }
1091
1092 void DolphinView::enterDir(const QModelIndex& index, QAbstractItemView* view)
1093 {
1094 // Deleting a view that is the root of a drag operation is not allowed, otherwise
1095 // the dragging gets automatically cancelled by Qt. So before entering a new
1096 // directory, the current view is remembered in m_expandedViews and deleted
1097 // later when the drag operation has been finished (see DolphinView::eventFilter()).
1098 m_expandedViews.append(view);
1099 m_controller->triggerItem(index);
1100 }
1101
1102 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1103 {
1104 if (!url.isValid()) {
1105 const QString location(url.pathOrUrl());
1106 if (location.isEmpty()) {
1107 emit errorMessage(i18nc("@info:status", "The location is empty."));
1108 } else {
1109 emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1110 }
1111 return;
1112 }
1113
1114 m_loadingDirectory = true;
1115
1116 m_dirLister->stop();
1117 m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1118
1119 if (isColumnViewActive()) {
1120 // adjusting the directory lister is not enough in the case of the
1121 // column view, as each column has its own directory lister internally...
1122 if (reload) {
1123 m_columnView->reload();
1124 } else {
1125 m_columnView->showColumn(url);
1126 }
1127 }
1128 }
1129
1130 KUrl DolphinView::viewPropertiesUrl() const
1131 {
1132 if (isColumnViewActive()) {
1133 return m_columnView->rootUrl();
1134 }
1135
1136 return url();
1137 }
1138
1139 void DolphinView::applyViewProperties(const KUrl& url)
1140 {
1141 if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1142 // The column view is active, hence don't apply the view properties
1143 // of sub directories (represented by columns) to the view. The
1144 // view always represents the properties of the first column.
1145 return;
1146 }
1147
1148 const ViewProperties props(url);
1149
1150 const Mode mode = props.viewMode();
1151 if (m_mode != mode) {
1152 const int oldZoomLevel = m_controller->zoomLevel();
1153
1154 m_mode = mode;
1155 createView();
1156 emit modeChanged();
1157
1158 updateZoomLevel(oldZoomLevel);
1159 }
1160 if (itemView() == 0) {
1161 createView();
1162 }
1163 Q_ASSERT(itemView() != 0);
1164 Q_ASSERT(m_fileItemDelegate != 0);
1165
1166 const bool showHiddenFiles = props.showHiddenFiles();
1167 if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1168 m_dirLister->setShowingDotFiles(showHiddenFiles);
1169 emit showHiddenFilesChanged();
1170 }
1171
1172 m_storedCategorizedSorting = props.categorizedSorting();
1173 const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1174 if (categorized != m_proxyModel->isCategorizedModel()) {
1175 m_proxyModel->setCategorizedModel(categorized);
1176 emit categorizedSortingChanged();
1177 }
1178
1179 const DolphinView::Sorting sorting = props.sorting();
1180 if (sorting != m_proxyModel->sorting()) {
1181 m_proxyModel->setSorting(sorting);
1182 emit sortingChanged(sorting);
1183 }
1184
1185 const Qt::SortOrder sortOrder = props.sortOrder();
1186 if (sortOrder != m_proxyModel->sortOrder()) {
1187 m_proxyModel->setSortOrder(sortOrder);
1188 emit sortOrderChanged(sortOrder);
1189 }
1190
1191 KFileItemDelegate::InformationList info = props.additionalInfo();
1192 if (info != m_fileItemDelegate->showInformation()) {
1193 m_fileItemDelegate->setShowInformation(info);
1194 emit additionalInfoChanged();
1195 }
1196
1197 const bool showPreview = props.showPreview();
1198 if (showPreview != m_showPreview) {
1199 m_showPreview = showPreview;
1200 m_previewGenerator->setPreviewShown(showPreview);
1201
1202 const int oldZoomLevel = m_controller->zoomLevel();
1203 emit showPreviewChanged();
1204
1205 // Enabling or disabling the preview might change the icon size of the view.
1206 // As the view does not emit a signal when the icon size has been changed,
1207 // the used zoom level of the controller must be adjusted manually:
1208 updateZoomLevel(oldZoomLevel);
1209 }
1210 }
1211
1212 void DolphinView::createView()
1213 {
1214 deleteView();
1215 Q_ASSERT(m_iconsView == 0);
1216 Q_ASSERT(m_detailsView == 0);
1217 Q_ASSERT(m_columnView == 0);
1218
1219 QAbstractItemView* view = 0;
1220 switch (m_mode) {
1221 case IconsView: {
1222 m_iconsView = new DolphinIconsView(this, m_controller);
1223 view = m_iconsView;
1224 break;
1225 }
1226
1227 case DetailsView:
1228 m_detailsView = new DolphinDetailsView(this, m_controller);
1229 view = m_detailsView;
1230 break;
1231
1232 case ColumnView:
1233 m_columnView = new DolphinColumnView(this, m_controller);
1234 view = m_columnView;
1235 break;
1236 }
1237
1238 Q_ASSERT(view != 0);
1239 view->installEventFilter(this);
1240 view->viewport()->installEventFilter(this);
1241
1242 if (m_mode != ColumnView) {
1243 // Give the view the ability to auto-expand its directories on hovering
1244 // (the column view takes care about this itself). If the details view
1245 // uses expandable folders, the auto-expanding should be used always.
1246 DolphinSettings& settings = DolphinSettings::instance();
1247 const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1248 ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1249
1250 FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1251 folderExpander->setEnabled(enabled);
1252 connect(folderExpander, SIGNAL(enterDir(const QModelIndex&, QAbstractItemView*)),
1253 this, SLOT(enterDir(const QModelIndex&, QAbstractItemView*)));
1254 }
1255
1256 m_controller->setItemView(view);
1257
1258 m_fileItemDelegate = new DolphinFileItemDelegate(view);
1259 m_fileItemDelegate->setShowToolTipWhenElided(false);
1260 m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1261 view->setItemDelegate(m_fileItemDelegate);
1262
1263 view->setModel(m_proxyModel);
1264 if (m_selectionModel != 0) {
1265 view->setSelectionModel(m_selectionModel);
1266 } else {
1267 m_selectionModel = view->selectionModel();
1268 }
1269
1270 // reparent the selection model, as it should not be deleted
1271 // when deleting the model
1272 m_selectionModel->setParent(this);
1273
1274 view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1275
1276 m_previewGenerator = new KFilePreviewGenerator(view);
1277 m_previewGenerator->setPreviewShown(m_showPreview);
1278
1279 if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1280 m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1281 connect(m_controller, SIGNAL(hideToolTip()),
1282 m_toolTipManager, SLOT(hideTip()));
1283 }
1284
1285 m_topLayout->insertWidget(1, view);
1286
1287 connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1288 this, SLOT(emitSelectionChangedSignal()));
1289 connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1290 this, SLOT(emitContentsMoved()));
1291 connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1292 this, SLOT(emitContentsMoved()));
1293 }
1294
1295 void DolphinView::deleteView()
1296 {
1297 QAbstractItemView* view = itemView();
1298 if (view != 0) {
1299 // It's important to set the keyboard focus to the parent
1300 // before deleting the view: Otherwise when having a split
1301 // view the other view will get the focus and will request
1302 // an activation (see DolphinView::eventFilter()).
1303 setFocus();
1304
1305 m_topLayout->removeWidget(view);
1306 view->close();
1307
1308 disconnect(view);
1309 m_controller->disconnect(view);
1310 view->disconnect();
1311
1312 bool deleteView = true;
1313 foreach (const QAbstractItemView* expandedView, m_expandedViews) {
1314 if (view == expandedView) {
1315 // the current view got already expanded and must stay alive
1316 // until the dragging has been completed
1317 deleteView = false;
1318 break;
1319 }
1320 }
1321 if (deleteView) {
1322 view->deleteLater();
1323 }
1324 view = 0;
1325
1326 m_iconsView = 0;
1327 m_detailsView = 0;
1328 m_columnView = 0;
1329 m_fileItemDelegate = 0;
1330 m_previewGenerator = 0;
1331 m_toolTipManager = 0;
1332 }
1333 }
1334
1335 QAbstractItemView* DolphinView::itemView() const
1336 {
1337 if (m_detailsView != 0) {
1338 return m_detailsView;
1339 } else if (m_columnView != 0) {
1340 return m_columnView;
1341 }
1342
1343 return m_iconsView;
1344 }
1345
1346 bool DolphinView::isCutItem(const KFileItem& item) const
1347 {
1348 const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1349 const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
1350
1351 const KUrl& itemUrl = item.url();
1352 KUrl::List::const_iterator it = cutUrls.begin();
1353 const KUrl::List::const_iterator end = cutUrls.end();
1354 while (it != end) {
1355 if (*it == itemUrl) {
1356 return true;
1357 }
1358 ++it;
1359 }
1360
1361 return false;
1362 }
1363
1364 void DolphinView::pasteToUrl(const KUrl& url)
1365 {
1366 QClipboard* clipboard = QApplication::clipboard();
1367 const QMimeData* mimeData = clipboard->mimeData();
1368
1369 const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1370 if (KonqMimeData::decodeIsCutSelection(mimeData)) {
1371 KonqOperations::copy(this, KonqOperations::MOVE, sourceUrls, url);
1372 clipboard->clear();
1373 } else {
1374 KonqOperations::copy(this, KonqOperations::COPY, sourceUrls, url);
1375 }
1376 }
1377
1378 void DolphinView::updateZoomLevel(int oldZoomLevel)
1379 {
1380 const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1381 if (oldZoomLevel != newZoomLevel) {
1382 m_controller->setZoomLevel(newZoomLevel);
1383 emit zoomLevelChanged(newZoomLevel);
1384 }
1385 }
1386
1387 KUrl::List DolphinView::simplifiedSelectedUrls() const
1388 {
1389 KUrl::List list = selectedUrls();
1390 if (itemsExpandable() ) {
1391 list = KonqOperations::simplifiedUrlList(list);
1392 }
1393 return list;
1394 }
1395
1396 void DolphinView::deleteExpandedViews()
1397 {
1398 const QAbstractItemView* view = itemView();
1399 foreach (QAbstractItemView* expandedView, m_expandedViews) {
1400 if (expandedView != view) {
1401 expandedView->deleteLater();
1402 }
1403 }
1404 m_expandedViews.clear();
1405 }
1406
1407 bool DolphinView::itemsExpandable() const
1408 {
1409 return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1410 }
1411
1412 #include "dolphinview.moc"