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 #include <kprotocolmanager.h>
  22
  23 #include <QtGui/QApplication>
  24 #include <QtGui/QClipboard>
  25 #include <QtGui/QKeyEvent>
  26 #include <QtGui/QItemSelection>
  27 #include <QtGui/QBoxLayout>
  28 #include <QtCore/QTimer>
  29 #include <QtGui/QScrollBar>
  30
  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/previewjob.h>
  38 #include <kmenu.h>
  39 #include <kmimetyperesolver.h>
  40 #include <knewmenu.h>
  41 #include <konqmimedata.h>
  42 #include <kfileitemlistproperties.h>
  43 #include <konq_operations.h>
  44 #include <kshell.h>
  45 #include <kurl.h>
  46 #include <kurlcombobox.h>
  47 #include <krun.h>
  48
  49 #include "dolphinmodel.h"
  50 #include "dolphincolumnview.h"
  51 #include "dolphincontroller.h"
  52 #include "dolphinstatusbar.h"
  53 #include "dolphinmainwindow.h"
  54 #include "dolphindirlister.h"
  55 #include "dolphinsortfilterproxymodel.h"
  56 #include "dolphindetailsview.h"
  57 #include "dolphiniconsview.h"
  58 #include "dolphincontextmenu.h"
  59 #include "draganddrophelper.h"
  60 #include "filterbar.h"
  61 #include "kurlnavigator.h"
  62 #include "viewproperties.h"
  63 #include "settings/dolphinsettings.h"
  64 #include "dolphin_generalsettings.h"
  65
  66 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  67                                            QWidget* parent,
  68                                            const KUrl& url) :
  69     QWidget(parent),
  70     m_showProgress(false),
  71     m_isFolderWritable(false),
  72     m_mainWindow(mainWindow),
  73     m_topLayout(0),
  74     m_urlNavigator(0),
  75     m_view(0),
  76     m_filterBar(0),
  77     m_statusBar(0),
  78     m_statusBarTimer(0),
  79     m_dirLister(0),
  80     m_proxyModel(0)
  81 {
  82     hide();
  83
  84     m_topLayout = new QVBoxLayout(this);
  85     m_topLayout->setSpacing(0);
  86     m_topLayout->setMargin(0);
  87
  88     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  89     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl&, QDropEvent*)),
  90             this, SLOT(dropUrls(const KUrl&, QDropEvent*)));
  91     connect(m_urlNavigator, SIGNAL(activated()),
  92             this, SLOT(activate()));
  93     connect(m_urlNavigator->editor(), SIGNAL(completionModeChanged(KGlobalSettings::Completion)),
  94             this, SLOT(saveUrlCompletionMode(KGlobalSettings::Completion)));
  95
  96     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  97     m_urlNavigator->setUrlEditable(settings->editableUrl());
  98     m_urlNavigator->setShowFullPath(settings->showFullPath());
  99     m_urlNavigator->setHomeUrl(settings->homeUrl());
 100     KUrlComboBox* editor = m_urlNavigator->editor();
 101     editor->setCompletionMode(KGlobalSettings::Completion(settings->urlCompletionMode()));
 102
 103     m_dirLister = new DolphinDirLister();
 104     m_dirLister->setAutoUpdate(true);
 105     m_dirLister->setMainWindow(window());
 106     m_dirLister->setDelayedMimeTypes(true);
 107
 108     m_dolphinModel = new DolphinModel(this);
 109     m_dolphinModel->setDirLister(m_dirLister);
 110     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 111
 112     m_proxyModel = new DolphinSortFilterProxyModel(this);
 113     m_proxyModel->setSourceModel(m_dolphinModel);
 114     m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 115
 116     connect(m_dirLister, SIGNAL(clear()),
 117             this, SLOT(delayedStatusBarUpdate()));
 118     connect(m_dirLister, SIGNAL(percent(int)),
 119             this, SLOT(updateProgress(int)));
 120     connect(m_dirLister, SIGNAL(itemsDeleted(const KFileItemList&)),
 121             this, SLOT(delayedStatusBarUpdate()));
 122     connect(m_dirLister, SIGNAL(completed()),
 123             this, SLOT(slotDirListerCompleted()));
 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     connect(m_dirLister, SIGNAL(urlIsFileError(const KUrl&)),
 129             this, SLOT(openFile(const KUrl&)));
 130
 131     m_view = new DolphinView(this,
 132                              url,
 133                              m_dirLister,
 134                              m_dolphinModel,
 135                              m_proxyModel);
 136     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 137             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 138     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&, const QList<QAction*>&)),
 139             this, SLOT(openContextMenu(KFileItem, const KUrl&, const QList<QAction*>&)));
 140     connect(m_view, SIGNAL(contentsMoved(int, int)),
 141             this, SLOT(saveContentsPos(int, int)));
 142     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 143             this, SLOT(showItemInfo(KFileItem)));
 144     connect(m_view, SIGNAL(errorMessage(const QString&)),
 145             this, SLOT(showErrorMessage(const QString&)));
 146     connect(m_view, SIGNAL(infoMessage(const QString&)),
 147             this, SLOT(showInfoMessage(const QString&)));
 148     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 149             this, SLOT(showOperationCompletedMessage(const QString&)));
 150     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 151             this, SLOT(slotItemTriggered(KFileItem)));
 152     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 153             this, SLOT(saveRootUrl(const KUrl&)));
 154     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 155             this, SLOT(redirect(KUrl, KUrl)));
 156     connect(m_view, SIGNAL(selectionChanged(const KFileItemList&)),
 157             this, SLOT(delayedStatusBarUpdate()));
 158
 159     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 160             this, SLOT(restoreView(const KUrl&)));
 161     connect(m_urlNavigator, SIGNAL(historyChanged()),
 162             this, SLOT(slotHistoryChanged()));
 163
 164     m_statusBar = new DolphinStatusBar(this, m_view);
 165     m_statusBarTimer = new QTimer(this);
 166     m_statusBarTimer->setSingleShot(true);
 167     m_statusBarTimer->setInterval(300);
 168     connect(m_statusBarTimer, SIGNAL(timeout()),
 169             this, SLOT(updateStatusBar()));
 170
 171     m_filterBar = new FilterBar(this);
 172     m_filterBar->setVisible(settings->filterBar());
 173     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 174             this, SLOT(setNameFilter(const QString&)));
 175     connect(m_filterBar, SIGNAL(closeRequest()),
 176             this, SLOT(closeFilterBar()));
 177     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 178             m_filterBar, SLOT(clear()));
 179
 180     m_topLayout->addWidget(m_urlNavigator);
 181     m_topLayout->addWidget(m_view);
 182     m_topLayout->addWidget(m_filterBar);
 183     m_topLayout->addWidget(m_statusBar);
 184 }
 185
 186 DolphinViewContainer::~DolphinViewContainer()
 187 {
 188     m_dirLister->disconnect();
 189
 190     delete m_proxyModel;
 191     m_proxyModel = 0;
 192     delete m_dolphinModel;
 193     m_dolphinModel = 0;
 194     m_dirLister = 0; // deleted by m_dolphinModel
 195 }
 196
 197 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 198 {
 199     if (newUrl != m_urlNavigator->url()) {
 200         m_urlNavigator->setUrl(newUrl);
 201         // Temporary disable the 'File'->'Create New...' menu until
 202         // the write permissions can be checked in a fast way at
 203         // DolphinViewContainer::slotDirListerCompleted().
 204         m_isFolderWritable = false;
 205         if (isActive()) {
 206             m_mainWindow->newMenu()->menu()->setEnabled(false);
 207         }
 208     }
 209 }
 210
 211 const KUrl& DolphinViewContainer::url() const
 212 {
 213     return m_urlNavigator->url();
 214 }
 215
 216 void DolphinViewContainer::setActive(bool active)
 217 {
 218     m_urlNavigator->setActive(active);
 219     m_view->setActive(active);
 220     if (active) {
 221         m_mainWindow->newMenu()->menu()->setEnabled(m_isFolderWritable);
 222     }
 223 }
 224
 225 bool DolphinViewContainer::isActive() const
 226 {
 227     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 228     return m_view->isActive();
 229 }
 230
 231 void DolphinViewContainer::refresh()
 232 {
 233     m_view->refresh();
 234     m_statusBar->refresh();
 235 }
 236
 237 bool DolphinViewContainer::isFilterBarVisible() const
 238 {
 239     return m_filterBar->isVisible();
 240 }
 241
 242 void DolphinViewContainer::showFilterBar(bool show)
 243 {
 244     Q_ASSERT(m_filterBar != 0);
 245     if (show) {
 246         m_filterBar->show();
 247     } else {
 248         closeFilterBar();
 249     }
 250 }
 251
 252 bool DolphinViewContainer::isUrlEditable() const
 253 {
 254     return m_urlNavigator->isUrlEditable();
 255 }
 256
 257 void DolphinViewContainer::delayedStatusBarUpdate()
 258 {
 259     // Invoke updateStatusBar() with a small delay. This assures that
 260     // when a lot of delayedStatusBarUpdates() are done in a short time,
 261     // no bottleneck is given.
 262     m_statusBarTimer->start();
 263 }
 264
 265 void DolphinViewContainer::updateStatusBar()
 266 {
 267     // As the item count information is less important
 268     // in comparison with other messages, it should only
 269     // be shown if:
 270     // - the status bar is empty or
 271     // - shows already the item count information or
 272     // - shows only a not very important information
 273     // - if any progress is given don't show the item count info at all
 274     const QString msg(m_statusBar->message());
 275     const bool updateStatusBarMsg = (msg.isEmpty()
 276                                      || (msg == m_statusBar->defaultText())
 277                                      || (m_statusBar->type() == DolphinStatusBar::Information))
 278                                     && (m_statusBar->progress() == 100);
 279
 280     const QString text(m_view->statusBarText());
 281     m_statusBar->setDefaultText(text);
 282
 283     if (updateStatusBarMsg) {
 284         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 285     }
 286 }
 287
 288 void DolphinViewContainer::updateProgress(int percent)
 289 {
 290     if (!m_showProgress) {
 291         // Only show the directory loading progress if the status bar does
 292         // not contain another progress information. This means that
 293         // the directory loading progress information has the lowest priority.
 294         const QString progressText(m_statusBar->progressText());
 295         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 296         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 297         if (m_showProgress) {
 298             m_statusBar->setProgressText(loadingText);
 299             m_statusBar->setProgress(0);
 300         }
 301     }
 302
 303     if (m_showProgress) {
 304         m_statusBar->setProgress(percent);
 305     }
 306 }
 307
 308 void DolphinViewContainer::slotDirListerCompleted()
 309 {
 310     if (m_showProgress) {
 311         m_statusBar->setProgressText(QString());
 312         m_statusBar->setProgress(100);
 313         m_showProgress = false;
 314     }
 315
 316     updateStatusBar();
 317     QMetaObject::invokeMethod(this, "restoreContentsPos", Qt::QueuedConnection);
 318
 319     // Enable the 'File'->'Create New...' menu only if the directory
 320     // supports writing.
 321     KFileItem item = m_dirLister->rootItem();
 322     if (item.isNull()) {
 323         // it is unclear whether writing is supported
 324         m_isFolderWritable = true;
 325     } else {
 326         KFileItemListProperties capabilities(KFileItemList() << item);
 327         m_isFolderWritable = capabilities.supportsWriting();
 328     }
 329
 330     if (isActive()) {
 331         m_mainWindow->newMenu()->menu()->setEnabled(m_isFolderWritable);
 332     }
 333 }
 334
 335 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 336 {
 337     if (item.isNull()) {
 338         // Only clear the status bar if unimportant messages are shown.
 339         // This prevents that information- or error-messages get hidden
 340         // by moving the mouse above the viewport or when closing the
 341         // context menu.
 342         if (m_statusBar->type() == DolphinStatusBar::Default) {
 343             m_statusBar->clear();
 344         }
 345     } else {
 346         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 347     }
 348 }
 349
 350 void DolphinViewContainer::showInfoMessage(const QString& msg)
 351 {
 352     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 353 }
 354
 355 void DolphinViewContainer::showErrorMessage(const QString& msg)
 356 {
 357     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 358 }
 359
 360 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 361 {
 362     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 363 }
 364
 365 void DolphinViewContainer::closeFilterBar()
 366 {
 367     m_filterBar->hide();
 368     m_filterBar->clear();
 369     m_view->setFocus();
 370     emit showFilterBarChanged(false);
 371 }
 372
 373 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 374 {
 375     m_view->setNameFilter(nameFilter);
 376     delayedStatusBarUpdate();
 377 }
 378
 379 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 380                                            const KUrl& url,
 381                                            const QList<QAction*>& customActions)
 382 {
 383     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 384     contextMenu.setCustomActions(customActions);
 385     contextMenu.open();
 386 }
 387
 388 void DolphinViewContainer::saveContentsPos(int x, int y)
 389 {
 390     m_urlNavigator->savePosition(x, y);
 391 }
 392
 393 void DolphinViewContainer::restoreContentsPos()
 394 {
 395     if (!url().isEmpty()) {
 396         const QPoint pos = m_urlNavigator->savedPosition();
 397         m_view->setContentsPosition(pos.x(), pos.y());
 398     }
 399 }
 400
 401 void DolphinViewContainer::activate()
 402 {
 403     setActive(true);
 404 }
 405
 406 void DolphinViewContainer::restoreView(const KUrl& url)
 407 {
 408     if (KProtocolManager::supportsListing(url)) {
 409         m_view->updateView(url, m_urlNavigator->savedRootUrl());
 410         if (isActive()) {
 411             // When an URL has been entered, the view should get the focus.
 412             // The focus must be requested asynchronously, as changing the URL might create
 413             // a new view widget. Using QTimer::singleShow() works reliable, however
 414             // QMetaObject::invokeMethod() with a queued connection does not work, which might
 415             // indicate that we should pass a hint to DolphinView::updateView()
 416             // regarding the focus instead. To test: Enter an URL and press CTRL+Enter.
 417             // Expected result: The view should get the focus.
 418             QTimer::singleShot(0, this, SLOT(requestFocus()));
 419         }
 420     } else if (KProtocolManager::isSourceProtocol(url)) {
 421         QString app = "konqueror";
 422         if (url.protocol().startsWith(QLatin1String("http"))) {
 423             showErrorMessage(i18nc("@info:status",
 424                                    "Dolphin does not support web pages, the web browser has been launched"));
 425             const KConfigGroup config(KSharedConfig::openConfig("kdeglobals"), "General");
 426             const QString browser = config.readEntry("BrowserApplication");
 427             if (!browser.isEmpty()) {
 428                 app = browser;
 429                 if (app.startsWith('!')) {
 430                     // a literal command has been configured, remove the '!' prefix
 431                     app = app.mid(1);
 432                 }
 433             }
 434         } else {
 435             showErrorMessage(i18nc("@info:status",
 436                                    "Protocol not supported by Dolphin, Konqueror has been launched"));
 437         }
 438
 439         QString secureUrl = KShell::quoteArg(url.pathOrUrl());
 440         const QString command = app + ' ' + secureUrl;
 441         KRun::runCommand(command, app, app, this);
 442     } else {
 443         showErrorMessage(i18nc("@info:status", "Invalid protocol"));
 444     }
 445 }
 446
 447 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 448 {
 449     Q_UNUSED(url);
 450     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 451 }
 452
 453 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 454 {
 455     DragAndDropHelper::instance().dropUrls(KFileItem(), destination, event, this);
 456 }
 457
 458 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
 459 {
 460     Q_UNUSED(oldUrl);
 461     const bool block = m_urlNavigator->signalsBlocked();
 462     m_urlNavigator->blockSignals(true);
 463     m_urlNavigator->setUrl(newUrl);
 464     m_urlNavigator->blockSignals(block);
 465 }
 466
 467 void DolphinViewContainer::requestFocus()
 468 {
 469     m_view->setFocus();
 470 }
 471
 472 void DolphinViewContainer::saveUrlCompletionMode(KGlobalSettings::Completion completion)
 473 {
 474     DolphinSettings& settings = DolphinSettings::instance();
 475     settings.generalSettings()->setUrlCompletionMode(completion);
 476     settings.save();
 477 }
 478
 479 void DolphinViewContainer::slotHistoryChanged()
 480 {
 481     const int index = m_urlNavigator->historyIndex();
 482     if (index > 0) {
 483         // The "Go Forward" action is enabled. Try to mark
 484         // the previous directory as active item:
 485         const KUrl url = m_urlNavigator->historyUrl(index - 1);
 486         m_view->activateItem(url);
 487     }
 488 }
 489
 490 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 491 {
 492     KUrl url = item.targetUrl();
 493
 494     if (item.isDir()) {
 495         m_view->setUrl(url);
 496         return;
 497     }
 498
 499     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 500     const bool browseThroughArchives = settings->browseThroughArchives();
 501     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 502         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 503         // zip:/<path>/ when clicking on a zip file, etc.
 504         // The .protocol file specifies the mimetype that the kioslave handles.
 505         // Note that we don't use mimetype inheritance since we don't want to
 506         // open OpenDocument files as zip folders...
 507         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 508         if (!protocol.isEmpty()) {
 509             url.setProtocol(protocol);
 510             m_view->setUrl(url);
 511             return;
 512         }
 513     }
 514
 515     item.run();
 516 }
 517
 518 void DolphinViewContainer::openFile(const KUrl& url)
 519 {
 520     // Using m_dolphinModel for getting the file item instance is not possible
 521     // here: openFile() is triggered by an error of the directory lister
 522     // job, so the file item must be received "manually".
 523     const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 524     slotItemTriggered(item);
 525 }
 526
 527 #include "dolphinviewcontainer.moc"