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 <kfileitemdelegate.h>
  31 #include <kfileplacesmodel.h>
  32 #include <kglobalsettings.h>
  33 #include <klocale.h>
  34 #include <kiconeffect.h>
  35 #include <kio/netaccess.h>
  36 #include <kio/renamedialog.h>
  37 #include <kio/previewjob.h>
  38 #include <kmimetyperesolver.h>
  39 #include <konqmimedata.h>
  40 #include <konq_operations.h>
  41 #include <kurl.h>
  42
  43 #include "dolphinmodel.h"
  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 "filterbar.h"
  54 #include "renamedialog.h"
  55 #include "kurlnavigator.h"
  56 #include "viewproperties.h"
  57 #include "dolphinsettings.h"
  58 #include "dolphin_generalsettings.h"
  59
  60 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  61                                            QWidget* parent,
  62                                            const KUrl& url) :
  63     QWidget(parent),
  64     m_showProgress(false),
  65     m_folderCount(0),
  66     m_fileCount(0),
  67     m_mainWindow(mainWindow),
  68     m_topLayout(0),
  69     m_urlNavigator(0),
  70     m_view(0),
  71     m_filterBar(0),
  72     m_statusBar(0),
  73     m_dirLister(0),
  74     m_proxyModel(0)
  75 {
  76     hide();
  77     setFocusPolicy(Qt::StrongFocus);
  78     m_topLayout = new QVBoxLayout(this);
  79     m_topLayout->setSpacing(0);
  80     m_topLayout->setMargin(0);
  81
  82     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  83     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  84             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  85     connect(m_urlNavigator, SIGNAL(activated()),
  86             this, SLOT(activate()));
  87
  88     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  89     m_urlNavigator->setUrlEditable(settings->editableUrl());
  90     m_urlNavigator->setHomeUrl(settings->homeUrl());
  91
  92     m_dirLister = new DolphinDirLister();
  93     m_dirLister->setAutoUpdate(true);
  94     m_dirLister->setMainWindow(this);
  95     m_dirLister->setDelayedMimeTypes(true);
  96
  97     m_dolphinModel = new DolphinModel(this);
  98     m_dolphinModel->setDirLister(m_dirLister);
  99     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 100
 101     m_proxyModel = new DolphinSortFilterProxyModel(this);
 102     m_proxyModel->setSourceModel(m_dolphinModel);
 103
 104     connect(m_dirLister, SIGNAL(clear()),
 105             this, SLOT(updateStatusBar()));
 106     connect(m_dirLister, SIGNAL(percent(int)),
 107             this, SLOT(updateProgress(int)));
 108     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 109             this, SLOT(updateStatusBar()));
 110     connect(m_dirLister, SIGNAL(completed()),
 111             this, SLOT(updateItemCount()));
 112     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 113             this, SLOT(showInfoMessage(const QString&)));
 114     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 115             this, SLOT(showErrorMessage(const QString&)));
 116
 117     m_view = new DolphinView(this,
 118                              url,
 119                              m_dirLister,
 120                              m_dolphinModel,
 121                              m_proxyModel);
 122     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 123             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 124     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 125             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 126     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 127             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 128     connect(m_view, SIGNAL(contentsMoved(int, int)),
 129             this, SLOT(saveContentsPos(int, int)));
 130     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 131             this, SLOT(showItemInfo(KFileItem)));
 132     connect(m_view, SIGNAL(errorMessage(const QString&)),
 133             this, SLOT(showErrorMessage(const QString&)));
 134     connect(m_view, SIGNAL(infoMessage(const QString&)),
 135             this, SLOT(showInfoMessage(const QString&)));
 136     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 137             this, SLOT(slotItemTriggered(KFileItem)));
 138     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 139             this, SLOT(saveRootUrl(const KUrl&)));
 140
 141     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 142             this, SLOT(restoreView(const KUrl&)));
 143
 144     m_statusBar = new DolphinStatusBar(this, url);
 145     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 146             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 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 KFileItemList items = m_view->selectedItems();
 193     if (items.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(items);
 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             KFileItemList::const_iterator it = items.begin();
 216             KFileItemList::const_iterator end = items.end();
 217             while (it != end) {
 218                 const KUrl& oldUrl = (*it).url();
 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(items.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(items);
 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 = items.first().url();
 252             KUrl newUrl = oldUrl;
 253             newUrl.setFileName(newName);
 254             m_mainWindow->rename(oldUrl, newUrl);
 255         }
 256     }
 257 }
 258
 259 bool DolphinViewContainer::isFilterBarVisible() const
 260 {
 261     return m_filterBar->isVisible();
 262 }
 263
 264 bool DolphinViewContainer::isUrlEditable() const
 265 {
 266     return m_urlNavigator->isUrlEditable();
 267 }
 268
 269 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 270 {
 271     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 272     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 273 }
 274
 275 void DolphinViewContainer::updateProgress(int percent)
 276 {
 277     if (!m_showProgress) {
 278         // Only show the directory loading progress if the status bar does
 279         // not contain another progress information. This means that
 280         // the directory loading progress information has the lowest priority.
 281         const QString progressText(m_statusBar->progressText());
 282         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 283         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 284         if (m_showProgress) {
 285             m_statusBar->setProgressText(loadingText);
 286             m_statusBar->setProgress(0);
 287         }
 288     }
 289
 290     if (m_showProgress) {
 291         m_statusBar->setProgress(percent);
 292     }
 293 }
 294
 295 void DolphinViewContainer::updateItemCount()
 296 {
 297     if (m_showProgress) {
 298         m_statusBar->setProgressText(QString());
 299         m_statusBar->setProgress(100);
 300         m_showProgress = false;
 301     }
 302
 303     KFileItemList items(m_dirLister->items());
 304     KFileItemList::const_iterator it = items.begin();
 305     const KFileItemList::const_iterator end = items.end();
 306
 307     m_fileCount = 0;
 308     m_folderCount = 0;
 309
 310     while (it != end) {
 311         const KFileItem item = *it;
 312         if (item.isDir()) {
 313             ++m_folderCount;
 314         } else {
 315             ++m_fileCount;
 316         }
 317         ++it;
 318     }
 319
 320     updateStatusBar();
 321
 322     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 323 }
 324
 325 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 326 {
 327     if (item.isNull()) {
 328         m_statusBar->clear();
 329     } else {
 330         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 331     }
 332 }
 333
 334 void DolphinViewContainer::showInfoMessage(const QString& msg)
 335 {
 336     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 337 }
 338
 339 void DolphinViewContainer::showErrorMessage(const QString& msg)
 340 {
 341     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 342 }
 343
 344 void DolphinViewContainer::closeFilterBar()
 345 {
 346     m_filterBar->hide();
 347     emit showFilterBarChanged(false);
 348 }
 349
 350 QString DolphinViewContainer::defaultStatusBarText() const
 351 {
 352     int m_fileCount = 0;
 353     int m_folderCount = 0;
 354
 355     for (int i = 0; i < m_proxyModel->rowCount(); i++)
 356     {
 357         if (m_dolphinModel->itemForIndex(m_proxyModel->mapToSource(m_proxyModel->index(i, m_proxyModel->sortColumn()))).isDir())
 358         {
 359             m_folderCount++;
 360         }
 361         else
 362         {
 363             m_fileCount++;
 364         }
 365     }
 366
 367     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 368                                    m_fileCount,
 369                                    m_folderCount,
 370                                    0, false);
 371 }
 372
 373 QString DolphinViewContainer::selectionStatusBarText() const
 374 {
 375     QString text;
 376     const KFileItemList list = m_view->selectedItems();
 377     if (list.isEmpty()) {
 378         // when an item is triggered, it is temporary selected but selectedItems()
 379         // will return an empty list
 380         return QString();
 381     }
 382
 383     int fileCount = 0;
 384     int folderCount = 0;
 385     KIO::filesize_t byteSize = 0;
 386     KFileItemList::const_iterator it = list.begin();
 387     const KFileItemList::const_iterator end = list.end();
 388     while (it != end) {
 389         const KFileItem& item = *it;
 390         if (item.isDir()) {
 391             ++folderCount;
 392         } else {
 393             ++fileCount;
 394             byteSize += item.size();
 395         }
 396         ++it;
 397     }
 398
 399     if (folderCount > 0) {
 400         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 401         if (fileCount > 0) {
 402             text += ", ";
 403         }
 404     }
 405
 406     if (fileCount > 0) {
 407         const QString sizeText(KIO::convertSize(byteSize));
 408         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 409     }
 410
 411     return text;
 412 }
 413
 414 void DolphinViewContainer::showFilterBar(bool show)
 415 {
 416     Q_ASSERT(m_filterBar != 0);
 417     m_filterBar->setVisible(show);
 418 }
 419
 420 void DolphinViewContainer::updateStatusBar()
 421 {
 422     // As the item count information is less important
 423     // in comparison with other messages, it should only
 424     // be shown if:
 425     // - the status bar is empty or
 426     // - shows already the item count information or
 427     // - shows only a not very important information
 428     // - if any progress is given don't show the item count info at all
 429     const QString msg(m_statusBar->message());
 430     const bool updateStatusBarMsg = (msg.isEmpty() ||
 431                                      (msg == m_statusBar->defaultText()) ||
 432                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 433                                     (m_statusBar->progress() == 100);
 434
 435     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 436     m_statusBar->setDefaultText(text);
 437
 438     if (updateStatusBarMsg) {
 439         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 440     }
 441 }
 442
 443 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 444 {
 445     // The name filter of KDirLister does a 'hard' filtering, which
 446     // means that only the items are shown where the names match
 447     // exactly the filter. This is non-transparent for the user, which
 448     // just wants to have a 'soft' filtering: does the name contain
 449     // the filter string?
 450     QString adjustedFilter(nameFilter);
 451     adjustedFilter.insert(0, '*');
 452     adjustedFilter.append('*');
 453
 454     m_dirLister->setNameFilter(adjustedFilter);
 455     m_dirLister->emitChanges();
 456
 457     updateStatusBar();
 458 }
 459
 460 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 461                                            const KUrl& url)
 462 {
 463     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 464     contextMenu.open();
 465 }
 466
 467 void DolphinViewContainer::saveContentsPos(int x, int y)
 468 {
 469     m_urlNavigator->savePosition(x, y);
 470 }
 471
 472 void DolphinViewContainer::restoreContentsPos()
 473 {
 474     if (!url().isEmpty()) {
 475         const QPoint pos = m_urlNavigator->savedPosition();
 476         m_view->setContentsPosition(pos.x(), pos.y());
 477     }
 478 }
 479
 480 void DolphinViewContainer::activate()
 481 {
 482     setActive(true);
 483 }
 484
 485 void DolphinViewContainer::restoreView(const KUrl& url)
 486 {
 487     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 488 }
 489
 490 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 491 {
 492     Q_UNUSED(url);
 493     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 494 }
 495
 496 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 497 {
 498     // Prefer the local path over the URL.
 499     bool isLocal;
 500     KUrl url = item.mostLocalUrl(isLocal);
 501
 502     if (item.isDir()) {
 503         m_view->setUrl(url);
 504     } else if (item.isFile()) {
 505         // allow to browse through ZIP and tar files
 506         KMimeType::Ptr mime = item.mimeTypePtr();
 507         if (mime->is("application/zip")) {
 508             url.setProtocol("zip");
 509             m_view->setUrl(url);
 510         } else if (mime->is("application/x-tar") ||
 511                    mime->is("application/x-tarz") ||
 512                    mime->is("application/x-bzip-compressed-tar") ||
 513                    mime->is("application/x-compressed-tar") ||
 514                    mime->is("application/x-tzo")) {
 515             url.setProtocol("tar");
 516             m_view->setUrl(url);
 517         } else {
 518             item.run();
 519         }
 520     } else {
 521         item.run();
 522     }
 523 }
 524
 525 #include "dolphinviewcontainer.moc"