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