src/dolphinviewcontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphinviewcontainer.h"
  21
  22 #include <QtGui/QApplication>
  23 #include <QtGui/QClipboard>
  24 #include <QtGui/QKeyEvent>
  25 #include <QtGui/QItemSelection>
  26 #include <QtGui/QBoxLayout>
  27 #include <QtCore/QTimer>
  28 #include <QtGui/QScrollBar>
  29
  30 #include <kdirmodel.h>
  31 #include <kfileitemdelegate.h>
  32 #include <kfileplacesmodel.h>
  33 #include <kglobalsettings.h>
  34 #include <klocale.h>
  35 #include <kiconeffect.h>
  36 #include <kio/netaccess.h>
  37 #include <kio/renamedialog.h>
  38 #include <kio/previewjob.h>
  39 #include <kmimetyperesolver.h>
  40 #include <konqmimedata.h>
  41 #include <konq_operations.h>
  42 #include <kurl.h>
  43
  44 #include "dolphincolumnview.h"
  45 #include "dolphincontroller.h"
  46 #include "dolphinstatusbar.h"
  47 #include "dolphinmainwindow.h"
  48 #include "dolphindirlister.h"
  49 #include "dolphinsortfilterproxymodel.h"
  50 #include "dolphindetailsview.h"
  51 #include "dolphiniconsview.h"
  52 #include "dolphincontextmenu.h"
  53 #include "dolphinitemcategorizer.h"
  54 #include "filterbar.h"
  55 #include "renamedialog.h"
  56 #include "kurlnavigator.h"
  57 #include "viewproperties.h"
  58 #include "dolphinsettings.h"
  59 #include "dolphin_generalsettings.h"
  60
  61 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  62                                            QWidget* parent,
  63                                            const KUrl& url,
  64                                            DolphinView::Mode mode,
  65                                            bool showHiddenFiles) :
  66     QWidget(parent),
  67     m_showProgress(false),
  68     m_folderCount(0),
  69     m_fileCount(0),
  70     m_mainWindow(mainWindow),
  71     m_topLayout(0),
  72     m_urlNavigator(0),
  73     m_view(0),
  74     m_filterBar(0),
  75     m_statusBar(0),
  76     m_dirModel(0),
  77     m_dirLister(0),
  78     m_proxyModel(0)
  79 {
  80     hide();
  81     setFocusPolicy(Qt::StrongFocus);
  82     m_topLayout = new QVBoxLayout(this);
  83     m_topLayout->setSpacing(0);
  84     m_topLayout->setMargin(0);
  85
  86     connect(m_mainWindow, SIGNAL(activeViewChanged()),
  87             this, SLOT(updateActivationState()));
  88
  89     QClipboard* clipboard = QApplication::clipboard();
  90     connect(clipboard, SIGNAL(dataChanged()),
  91             this, SLOT(updateCutItems()));
  92
  93     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  94
  95     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  96     m_urlNavigator->setUrlEditable(settings->editableUrl());
  97     m_urlNavigator->setHomeUrl(settings->homeUrl());
  98
  99     m_dirLister = new DolphinDirLister();
 100     m_dirLister->setAutoUpdate(true);
 101     m_dirLister->setMainWindow(this);
 102     m_dirLister->setShowingDotFiles(showHiddenFiles);
 103     m_dirLister->setDelayedMimeTypes(true);
 104
 105     m_dirModel = new KDirModel();
 106     m_dirModel->setDirLister(m_dirLister);
 107     m_dirModel->setDropsAllowed(KDirModel::DropOnDirectory);
 108
 109     m_proxyModel = new DolphinSortFilterProxyModel(this);
 110     m_proxyModel->setSourceModel(m_dirModel);
 111
 112     connect(m_dirLister, SIGNAL(clear()),
 113             this, SLOT(updateStatusBar()));
 114     connect(m_dirLister, SIGNAL(percent(int)),
 115             this, SLOT(updateProgress(int)));
 116     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 117             this, SLOT(updateStatusBar()));
 118     connect(m_dirLister, SIGNAL(completed()),
 119             this, SLOT(updateItemCount()));
 120     connect(m_dirLister, SIGNAL(completed()),
 121             this, SLOT(updateCutItems()));
 122     connect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
 123             this, SLOT(generatePreviews(const KFileItemList&)));
 124     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 125             this, SLOT(showInfoMessage(const QString&)));
 126     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 127             this, SLOT(showErrorMessage(const QString&)));
 128
 129     m_view = new DolphinView(this,
 130                              url,
 131                              m_dirLister,
 132                              m_dirModel,
 133                              m_proxyModel,
 134                              mode,
 135                              showHiddenFiles);
 136     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 137             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 138     connect(m_view, SIGNAL(requestContextMenu(KFileItem*, const KUrl&)),
 139             this, SLOT(openContextMenu(KFileItem*, const KUrl&)));
 140     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 141             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 142
 143     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 144             m_view, SLOT(setUrl(const KUrl&)));
 145
 146     m_statusBar = new DolphinStatusBar(this, url);
 147
 148     m_filterBar = new FilterBar(this);
 149     m_filterBar->setVisible(settings->filterBar());
 150     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 151             this, SLOT(changeNameFilter(const QString&)));
 152     connect(m_filterBar, SIGNAL(closeRequest()),
 153             this, SLOT(closeFilterBar()));
 154
 155     m_topLayout->addWidget(m_urlNavigator);
 156     m_topLayout->addWidget(m_view);
 157     m_topLayout->addWidget(m_filterBar);
 158     m_topLayout->addWidget(m_statusBar);
 159 }
 160
 161 DolphinViewContainer::~DolphinViewContainer()
 162 {
 163     delete m_dirLister;
 164     m_dirLister = 0;
 165 }
 166
 167 void DolphinViewContainer::setUrl(const KUrl& url)
 168 {
 169     m_urlNavigator->setUrl(url);
 170 }
 171
 172 const KUrl& DolphinViewContainer::url() const
 173 {
 174     return m_urlNavigator->url();
 175 }
 176
 177 void DolphinViewContainer::setActive(bool active)
 178 {
 179     m_urlNavigator->setActive(active);
 180     m_view->setActive(active);
 181 }
 182
 183 bool DolphinViewContainer::isActive() const
 184 {
 185     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 186     return m_view->isActive();
 187 }
 188
 189 void DolphinViewContainer::renameSelectedItems()
 190 {
 191     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 192     const KUrl::List urls = m_view->selectedUrls();
 193     if (urls.count() > 1) {
 194         // More than one item has been selected for renaming. Open
 195         // a rename dialog and rename all items afterwards.
 196         RenameDialog dialog(urls);
 197         if (dialog.exec() == QDialog::Rejected) {
 198             return;
 199         }
 200
 201         const QString& newName = dialog.newName();
 202         if (newName.isEmpty()) {
 203             view->statusBar()->setMessage(dialog.errorString(),
 204                                           DolphinStatusBar::Error);
 205         } else {
 206             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 207             // as one operation instead of n rename operations like it is done now...
 208             Q_ASSERT(newName.contains('#'));
 209
 210             // iterate through all selected items and rename them...
 211             const int replaceIndex = newName.indexOf('#');
 212             Q_ASSERT(replaceIndex >= 0);
 213             int index = 1;
 214
 215             KUrl::List::const_iterator it = urls.begin();
 216             KUrl::List::const_iterator end = urls.end();
 217             while (it != end) {
 218                 const KUrl& oldUrl = *it;
 219                 QString number;
 220                 number.setNum(index++);
 221
 222                 QString name(newName);
 223                 name.replace(replaceIndex, 1, number);
 224
 225                 if (oldUrl.fileName() != name) {
 226                     KUrl newUrl = oldUrl;
 227                     newUrl.setFileName(name);
 228                     m_mainWindow->rename(oldUrl, newUrl);
 229                 }
 230                 ++it;
 231             }
 232         }
 233     } else {
 234         // Only one item has been selected for renaming. Use the custom
 235         // renaming mechanism from the views.
 236         Q_ASSERT(urls.count() == 1);
 237
 238         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 239         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 240         // is a benefit for the user at all -> let's wait for some input first...
 241         RenameDialog dialog(urls);
 242         if (dialog.exec() == QDialog::Rejected) {
 243             return;
 244         }
 245
 246         const QString& newName = dialog.newName();
 247         if (newName.isEmpty()) {
 248             view->statusBar()->setMessage(dialog.errorString(),
 249                                           DolphinStatusBar::Error);
 250         } else {
 251             const KUrl& oldUrl = urls.first();
 252             KUrl newUrl = oldUrl;
 253             newUrl.setFileName(newName);
 254             m_mainWindow->rename(oldUrl, newUrl);
 255         }
 256     }
 257 }
 258
 259 DolphinStatusBar* DolphinViewContainer::statusBar() const
 260 {
 261     return m_statusBar;
 262 }
 263
 264 bool DolphinViewContainer::isFilterBarVisible() const
 265 {
 266     return m_filterBar->isVisible();
 267 }
 268
 269 bool DolphinViewContainer::isUrlEditable() const
 270 {
 271     return m_urlNavigator->isUrlEditable();
 272 }
 273
 274 KFileItem* DolphinViewContainer::fileItem(const QModelIndex index) const
 275 {
 276     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 277     return m_dirModel->itemForIndex(dirModelIndex);
 278 }
 279
 280 void DolphinViewContainer::rename(const KUrl& source, const QString& newName)
 281 {
 282     bool ok = false;
 283
 284     if (newName.isEmpty() || (source.fileName() == newName)) {
 285         return;
 286     }
 287
 288     KUrl dest(source.upUrl());
 289     dest.addPath(newName);
 290
 291     const bool destExists = KIO::NetAccess::exists(dest, false, this);
 292     if (destExists) {
 293         // the destination already exists, hence ask the user
 294         // how to proceed...
 295         KIO::RenameDialog renameDialog(this,
 296                                        i18n("File Already Exists"),
 297                                        source.path(),
 298                                        dest.path(),
 299                                        KIO::M_OVERWRITE);
 300         switch (renameDialog.exec()) {
 301         case KIO::R_OVERWRITE:
 302             // the destination should be overwritten
 303             ok = KIO::NetAccess::file_move(source, dest, -1, true);
 304             break;
 305
 306         case KIO::R_RENAME: {
 307             // a new name for the destination has been used
 308             KUrl newDest(renameDialog.newDestUrl());
 309             ok = KIO::NetAccess::file_move(source, newDest);
 310             break;
 311         }
 312
 313         default:
 314             // the renaming operation has been canceled
 315             return;
 316         }
 317     } else {
 318         // no destination exists, hence just move the file to
 319         // do the renaming
 320         ok = KIO::NetAccess::file_move(source, dest);
 321     }
 322
 323     const QString destFileName = dest.fileName();
 324     if (ok) {
 325         m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.", source.fileName(), destFileName),
 326                                 DolphinStatusBar::OperationCompleted);
 327
 328         KonqOperations::rename(this, source, destFileName);
 329     } else {
 330         m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.", source.fileName(), destFileName),
 331                                 DolphinStatusBar::Error);
 332     }
 333 }
 334
 335 DolphinMainWindow* DolphinViewContainer::mainWindow() const
 336 {
 337     return m_mainWindow;
 338 }
 339
 340 void DolphinViewContainer::updateProgress(int percent)
 341 {
 342     if (m_showProgress) {
 343         m_statusBar->setProgress(percent);
 344     }
 345 }
 346
 347 void DolphinViewContainer::updateItemCount()
 348 {
 349     if (m_showProgress) {
 350         m_statusBar->setProgressText(QString());
 351         m_statusBar->setProgress(100);
 352         m_showProgress = false;
 353     }
 354
 355     KFileItemList items(m_dirLister->items());
 356     KFileItemList::const_iterator it = items.begin();
 357     const KFileItemList::const_iterator end = items.end();
 358
 359     m_fileCount = 0;
 360     m_folderCount = 0;
 361
 362     while (it != end) {
 363         KFileItem* item = *it;
 364         if (item->isDir()) {
 365             ++m_folderCount;
 366         } else {
 367             ++m_fileCount;
 368         }
 369         ++it;
 370     }
 371
 372     updateStatusBar();
 373
 374     QTimer::singleShot(0, this, SLOT(restoreContentsPos()));
 375 }
 376
 377 void DolphinViewContainer::showInfoMessage(const QString& msg)
 378 {
 379     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 380 }
 381
 382 void DolphinViewContainer::showErrorMessage(const QString& msg)
 383 {
 384     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 385 }
 386
 387 void DolphinViewContainer::closeFilterBar()
 388 {
 389     m_filterBar->hide();
 390     emit showFilterBarChanged(false);
 391 }
 392
 393 QString DolphinViewContainer::defaultStatusBarText() const
 394 {
 395     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 396                                    m_fileCount,
 397                                    m_folderCount,
 398                                    0, false);
 399 }
 400
 401 QString DolphinViewContainer::selectionStatusBarText() const
 402 {
 403     QString text;
 404     const KFileItemList list = m_view->selectedItems();
 405     if (list.isEmpty()) {
 406         // when an item is triggered, it is temporary selected but selectedItems()
 407         // will return an empty list
 408         return QString();
 409     }
 410
 411     int fileCount = 0;
 412     int folderCount = 0;
 413     KIO::filesize_t byteSize = 0;
 414     KFileItemList::const_iterator it = list.begin();
 415     const KFileItemList::const_iterator end = list.end();
 416     while (it != end) {
 417         KFileItem* item = *it;
 418         if (item->isDir()) {
 419             ++folderCount;
 420         } else {
 421             ++fileCount;
 422             byteSize += item->size();
 423         }
 424         ++it;
 425     }
 426
 427     if (folderCount > 0) {
 428         text = i18np("1 Folder selected", "%1 Folders selected", folderCount);
 429         if (fileCount > 0) {
 430             text += ", ";
 431         }
 432     }
 433
 434     if (fileCount > 0) {
 435         const QString sizeText(KIO::convertSize(byteSize));
 436         text += i18np("1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 437     }
 438
 439     return text;
 440 }
 441
 442 void DolphinViewContainer::showFilterBar(bool show)
 443 {
 444     Q_ASSERT(m_filterBar != 0);
 445     m_filterBar->setVisible(show);
 446 }
 447
 448 void DolphinViewContainer::updateStatusBar()
 449 {
 450     // As the item count information is less important
 451     // in comparison with other messages, it should only
 452     // be shown if:
 453     // - the status bar is empty or
 454     // - shows already the item count information or
 455     // - shows only a not very important information
 456     // - if any progress is given don't show the item count info at all
 457     const QString msg(m_statusBar->message());
 458     const bool updateStatusBarMsg = (msg.isEmpty() ||
 459                                      (msg == m_statusBar->defaultText()) ||
 460                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 461                                     (m_statusBar->progress() == 100);
 462
 463     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 464     m_statusBar->setDefaultText(text);
 465
 466     if (updateStatusBarMsg) {
 467         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 468     }
 469 }
 470
 471 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 472 {
 473     // The name filter of KDirLister does a 'hard' filtering, which
 474     // means that only the items are shown where the names match
 475     // exactly the filter. This is non-transparent for the user, which
 476     // just wants to have a 'soft' filtering: does the name contain
 477     // the filter string?
 478     QString adjustedFilter(nameFilter);
 479     adjustedFilter.insert(0, '*');
 480     adjustedFilter.append('*');
 481
 482     // Use the ProxyModel to filter:
 483     // This code is #ifdefed as setNameFilter behaves
 484     // slightly different than the QSortFilterProxyModel
 485     // as it will not remove directories. I will ask
 486     // our beloved usability experts for input
 487     // -- z.
 488 #if 0
 489     m_dirLister->setNameFilter(adjustedFilter);
 490     m_dirLister->emitChanges();
 491 #else
 492     m_proxyModel->setFilterRegExp(nameFilter);
 493 #endif
 494 }
 495
 496 void DolphinViewContainer::openContextMenu(KFileItem* item,
 497                                            const KUrl& url)
 498 {
 499     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 500     contextMenu.open();
 501 }
 502
 503 #include "dolphinviewcontainer.moc"