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