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();
  98     m_dolphinModel->setDirLister(m_dirLister);
  99     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 100
 101
 102     m_proxyModel = new DolphinSortFilterProxyModel(this);
 103     m_proxyModel->setSourceModel(m_dolphinModel);
 104
 105     connect(m_dirLister, SIGNAL(clear()),
 106             this, SLOT(updateStatusBar()));
 107     connect(m_dirLister, SIGNAL(percent(int)),
 108             this, SLOT(updateProgress(int)));
 109     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 110             this, SLOT(updateStatusBar()));
 111     connect(m_dirLister, SIGNAL(completed()),
 112             this, SLOT(updateItemCount()));
 113     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 114             this, SLOT(showInfoMessage(const QString&)));
 115     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 116             this, SLOT(showErrorMessage(const QString&)));
 117
 118     m_view = new DolphinView(this,
 119                              url,
 120                              m_dirLister,
 121                              m_dolphinModel,
 122                              m_proxyModel);
 123     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 124             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 125     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 126             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 127     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 128             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 129     connect(m_view, SIGNAL(contentsMoved(int, int)),
 130             this, SLOT(saveContentsPos(int, int)));
 131     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 132             this, SLOT(showItemInfo(KFileItem)));
 133     connect(m_view, SIGNAL(errorMessage(const QString&)),
 134             this, SLOT(showErrorMessage(const QString&)));
 135     connect(m_view, SIGNAL(infoMessage(const QString&)),
 136             this, SLOT(showInfoMessage(const QString&)));
 137     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 138             this, SLOT(slotItemTriggered(KFileItem)));
 139     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 140             this, SLOT(saveRootUrl(const KUrl&)));
 141
 142     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 143             this, SLOT(restoreView(const KUrl&)));
 144
 145     m_statusBar = new DolphinStatusBar(this, url);
 146     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 147             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 148
 149     m_filterBar = new FilterBar(this);
 150     m_filterBar->setVisible(settings->filterBar());
 151     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 152             this, SLOT(changeNameFilter(const QString&)));
 153     connect(m_filterBar, SIGNAL(closeRequest()),
 154             this, SLOT(closeFilterBar()));
 155
 156     m_topLayout->addWidget(m_urlNavigator);
 157     m_topLayout->addWidget(m_view);
 158     m_topLayout->addWidget(m_filterBar);
 159     m_topLayout->addWidget(m_statusBar);
 160 }
 161
 162 DolphinViewContainer::~DolphinViewContainer()
 163 {
 164     delete m_dirLister;
 165     m_dirLister = 0;
 166 }
 167
 168 void DolphinViewContainer::setUrl(const KUrl& url)
 169 {
 170     m_urlNavigator->setUrl(url);
 171 }
 172
 173 const KUrl& DolphinViewContainer::url() const
 174 {
 175     return m_urlNavigator->url();
 176 }
 177
 178 void DolphinViewContainer::setActive(bool active)
 179 {
 180     m_urlNavigator->setActive(active);
 181     m_view->setActive(active);
 182 }
 183
 184 bool DolphinViewContainer::isActive() const
 185 {
 186     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 187     return m_view->isActive();
 188 }
 189
 190 void DolphinViewContainer::renameSelectedItems()
 191 {
 192     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 193     const QList<KFileItem> items = m_view->selectedItems();
 194     if (items.count() > 1) {
 195         // More than one item has been selected for renaming. Open
 196         // a rename dialog and rename all items afterwards.
 197         RenameDialog dialog(items);
 198         if (dialog.exec() == QDialog::Rejected) {
 199             return;
 200         }
 201
 202         const QString& newName = dialog.newName();
 203         if (newName.isEmpty()) {
 204             view->statusBar()->setMessage(dialog.errorString(),
 205                                           DolphinStatusBar::Error);
 206         } else {
 207             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 208             // as one operation instead of n rename operations like it is done now...
 209             Q_ASSERT(newName.contains('#'));
 210
 211             // iterate through all selected items and rename them...
 212             const int replaceIndex = newName.indexOf('#');
 213             Q_ASSERT(replaceIndex >= 0);
 214             int index = 1;
 215
 216             QList<KFileItem>::const_iterator it = items.begin();
 217             QList<KFileItem>::const_iterator end = items.end();
 218             while (it != end) {
 219                 const KUrl& oldUrl = (*it).url();
 220                 QString number;
 221                 number.setNum(index++);
 222
 223                 QString name(newName);
 224                 name.replace(replaceIndex, 1, number);
 225
 226                 if (oldUrl.fileName() != name) {
 227                     KUrl newUrl = oldUrl;
 228                     newUrl.setFileName(name);
 229                     m_mainWindow->rename(oldUrl, newUrl);
 230                 }
 231                 ++it;
 232             }
 233         }
 234     } else {
 235         // Only one item has been selected for renaming. Use the custom
 236         // renaming mechanism from the views.
 237         Q_ASSERT(items.count() == 1);
 238
 239         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 240         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 241         // is a benefit for the user at all -> let's wait for some input first...
 242         RenameDialog dialog(items);
 243         if (dialog.exec() == QDialog::Rejected) {
 244             return;
 245         }
 246
 247         const QString& newName = dialog.newName();
 248         if (newName.isEmpty()) {
 249             view->statusBar()->setMessage(dialog.errorString(),
 250                                           DolphinStatusBar::Error);
 251         } else {
 252             const KUrl& oldUrl = items.first().url();
 253             KUrl newUrl = oldUrl;
 254             newUrl.setFileName(newName);
 255             m_mainWindow->rename(oldUrl, newUrl);
 256         }
 257     }
 258 }
 259
 260 bool DolphinViewContainer::isFilterBarVisible() const
 261 {
 262     return m_filterBar->isVisible();
 263 }
 264
 265 bool DolphinViewContainer::isUrlEditable() const
 266 {
 267     return m_urlNavigator->isUrlEditable();
 268 }
 269
 270 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 271 {
 272     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 273     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 274 }
 275
 276 void DolphinViewContainer::updateProgress(int percent)
 277 {
 278     if (!m_showProgress) {
 279         // Only show the directory loading progress if the status bar does
 280         // not contain another progress information. This means that
 281         // the directory loading progress information has the lowest priority.
 282         const QString progressText(m_statusBar->progressText());
 283         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 284         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 285         if (m_showProgress) {
 286             m_statusBar->setProgressText(loadingText);
 287             m_statusBar->setProgress(0);
 288         }
 289     }
 290
 291     if (m_showProgress) {
 292         m_statusBar->setProgress(percent);
 293     }
 294 }
 295
 296 void DolphinViewContainer::updateItemCount()
 297 {
 298     if (m_showProgress) {
 299         m_statusBar->setProgressText(QString());
 300         m_statusBar->setProgress(100);
 301         m_showProgress = false;
 302     }
 303
 304     KFileItemList items(m_dirLister->items());
 305     KFileItemList::const_iterator it = items.begin();
 306     const KFileItemList::const_iterator end = items.end();
 307
 308     m_fileCount = 0;
 309     m_folderCount = 0;
 310
 311     while (it != end) {
 312         KFileItem* item = *it;
 313         if (item->isDir()) {
 314             ++m_folderCount;
 315         } else {
 316             ++m_fileCount;
 317         }
 318         ++it;
 319     }
 320
 321     updateStatusBar();
 322
 323     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 324 }
 325
 326 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 327 {
 328     if (item.isNull()) {
 329         m_statusBar->clear();
 330     } else {
 331         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 332     }
 333 }
 334
 335 void DolphinViewContainer::showInfoMessage(const QString& msg)
 336 {
 337     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 338 }
 339
 340 void DolphinViewContainer::showErrorMessage(const QString& msg)
 341 {
 342     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 343 }
 344
 345 void DolphinViewContainer::closeFilterBar()
 346 {
 347     m_filterBar->hide();
 348     emit showFilterBarChanged(false);
 349 }
 350
 351 QString DolphinViewContainer::defaultStatusBarText() const
 352 {
 353     int m_fileCount = 0;
 354     int m_folderCount = 0;
 355
 356     for (int i = 0; i < m_proxyModel->rowCount(); i++)
 357     {
 358         if (m_dolphinModel->itemForIndex(m_proxyModel->mapToSource(m_proxyModel->index(i, m_proxyModel->sortColumn()))).isDir())
 359         {
 360             m_folderCount++;
 361         }
 362         else
 363         {
 364             m_fileCount++;
 365         }
 366     }
 367
 368     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 369                                    m_fileCount,
 370                                    m_folderCount,
 371                                    0, false);
 372 }
 373
 374 QString DolphinViewContainer::selectionStatusBarText() const
 375 {
 376     QString text;
 377     const QList<KFileItem> list = m_view->selectedItems();
 378     if (list.isEmpty()) {
 379         // when an item is triggered, it is temporary selected but selectedItems()
 380         // will return an empty list
 381         return QString();
 382     }
 383
 384     int fileCount = 0;
 385     int folderCount = 0;
 386     KIO::filesize_t byteSize = 0;
 387     QList<KFileItem>::const_iterator it = list.begin();
 388     const QList<KFileItem>::const_iterator end = list.end();
 389     while (it != end) {
 390         const KFileItem& item = *it;
 391         if (item.isDir()) {
 392             ++folderCount;
 393         } else {
 394             ++fileCount;
 395             byteSize += item.size();
 396         }
 397         ++it;
 398     }
 399
 400     if (folderCount > 0) {
 401         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 402         if (fileCount > 0) {
 403             text += ", ";
 404         }
 405     }
 406
 407     if (fileCount > 0) {
 408         const QString sizeText(KIO::convertSize(byteSize));
 409         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 410     }
 411
 412     return text;
 413 }
 414
 415 void DolphinViewContainer::showFilterBar(bool show)
 416 {
 417     Q_ASSERT(m_filterBar != 0);
 418     m_filterBar->setVisible(show);
 419 }
 420
 421 void DolphinViewContainer::updateStatusBar()
 422 {
 423     // As the item count information is less important
 424     // in comparison with other messages, it should only
 425     // be shown if:
 426     // - the status bar is empty or
 427     // - shows already the item count information or
 428     // - shows only a not very important information
 429     // - if any progress is given don't show the item count info at all
 430     const QString msg(m_statusBar->message());
 431     const bool updateStatusBarMsg = (msg.isEmpty() ||
 432                                      (msg == m_statusBar->defaultText()) ||
 433                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 434                                     (m_statusBar->progress() == 100);
 435
 436     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 437     m_statusBar->setDefaultText(text);
 438
 439     if (updateStatusBarMsg) {
 440         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 441     }
 442 }
 443
 444 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 445 {
 446     // The name filter of KDirLister does a 'hard' filtering, which
 447     // means that only the items are shown where the names match
 448     // exactly the filter. This is non-transparent for the user, which
 449     // just wants to have a 'soft' filtering: does the name contain
 450     // the filter string?
 451     QString adjustedFilter(nameFilter);
 452     adjustedFilter.insert(0, '*');
 453     adjustedFilter.append('*');
 454
 455     m_dirLister->setNameFilter(adjustedFilter);
 456     m_dirLister->emitChanges();
 457
 458     updateStatusBar();
 459 }
 460
 461 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 462                                            const KUrl& url)
 463 {
 464     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 465     contextMenu.open();
 466 }
 467
 468 void DolphinViewContainer::saveContentsPos(int x, int y)
 469 {
 470     m_urlNavigator->savePosition(x, y);
 471 }
 472
 473 void DolphinViewContainer::restoreContentsPos()
 474 {
 475     if (!url().isEmpty()) {
 476         const QPoint pos = m_urlNavigator->savedPosition();
 477         m_view->setContentsPosition(pos.x(), pos.y());
 478     }
 479 }
 480
 481 void DolphinViewContainer::activate()
 482 {
 483     setActive(true);
 484 }
 485
 486 void DolphinViewContainer::restoreView(const KUrl& url)
 487 {
 488     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 489 }
 490
 491 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 492 {
 493     Q_UNUSED(url);
 494     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 495 }
 496
 497 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 498 {
 499     // Prefer the local path over the URL.
 500     bool isLocal;
 501     KUrl url = item.mostLocalUrl(isLocal);
 502
 503     if (item.isDir()) {
 504         m_view->setUrl(url);
 505     } else if (item.isFile()) {
 506         // allow to browse through ZIP and tar files
 507         KMimeType::Ptr mime = item.mimeTypePtr();
 508         if (mime->is("application/zip")) {
 509             url.setProtocol("zip");
 510             m_view->setUrl(url);
 511         } else if (mime->is("application/x-tar") ||
 512                    mime->is("application/x-tarz") ||
 513                    mime->is("application/x-bzip-compressed-tar") ||
 514                    mime->is("application/x-compressed-tar") ||
 515                    mime->is("application/x-tzo")) {
 516             url.setProtocol("tar");
 517             m_view->setUrl(url);
 518         } else {
 519             item.run();
 520         }
 521     } else {
 522         item.run();
 523     }
 524 }
 525
 526 #include "dolphinviewcontainer.moc"