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 <konq_fileitemcapabilities.h>
  43 #include <konq_operations.h>
  44 #include <kurl.h>
  45 #include <kurlcombobox.h>
  46 #include <krun.h>
  47
  48 #include "dolphinmodel.h"
  49 #include "dolphincolumnview.h"
  50 #include "dolphincontroller.h"
  51 #include "dolphinstatusbar.h"
  52 #include "dolphinmainwindow.h"
  53 #include "dolphindirlister.h"
  54 #include "dolphinsortfilterproxymodel.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphiniconsview.h"
  57 #include "dolphincontextmenu.h"
  58 #include "draganddrophelper.h"
  59 #include "filterbar.h"
  60 #include "kurlnavigator.h"
  61 #include "viewproperties.h"
  62 #include "settings/dolphinsettings.h"
  63 #include "dolphin_generalsettings.h"
  64
  65 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  66                                            QWidget* parent,
  67                                            const KUrl& url) :
  68     QWidget(parent),
  69     m_showProgress(false),
  70     m_isFolderWritable(false),
  71     m_mainWindow(mainWindow),
  72     m_topLayout(0),
  73     m_urlNavigator(0),
  74     m_view(0),
  75     m_filterBar(0),
  76     m_statusBar(0),
  77     m_dirLister(0),
  78     m_proxyModel(0)
  79 {
  80     hide();
  81
  82     m_topLayout = new QVBoxLayout(this);
  83     m_topLayout->setSpacing(0);
  84     m_topLayout->setMargin(0);
  85
  86     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  87     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl&, QDropEvent*)),
  88             this, SLOT(dropUrls(const KUrl&, QDropEvent*)));
  89     connect(m_urlNavigator, SIGNAL(activated()),
  90             this, SLOT(activate()));
  91     connect(m_urlNavigator->editor(), SIGNAL(completionModeChanged(KGlobalSettings::Completion)),
  92             this, SLOT(saveUrlCompletionMode(KGlobalSettings::Completion)));
  93
  94     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  95     m_urlNavigator->setUrlEditable(settings->editableUrl());
  96     m_urlNavigator->setShowFullPath(settings->showFullPath());
  97     m_urlNavigator->setHomeUrl(settings->homeUrl());
  98     KUrlComboBox* editor = m_urlNavigator->editor();
  99     editor->setCompletionMode(KGlobalSettings::Completion(settings->urlCompletionMode()));
 100
 101     m_dirLister = new DolphinDirLister();
 102     m_dirLister->setAutoUpdate(true);
 103     m_dirLister->setMainWindow(window());
 104     m_dirLister->setDelayedMimeTypes(true);
 105
 106     m_dolphinModel = new DolphinModel(this);
 107     m_dolphinModel->setDirLister(m_dirLister);
 108     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 109
 110     m_proxyModel = new DolphinSortFilterProxyModel(this);
 111     m_proxyModel->setSourceModel(m_dolphinModel);
 112     m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 113
 114     connect(m_dirLister, SIGNAL(clear()),
 115             this, SLOT(updateStatusBar()));
 116     connect(m_dirLister, SIGNAL(percent(int)),
 117             this, SLOT(updateProgress(int)));
 118     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 119             this, SLOT(updateStatusBar()));
 120     connect(m_dirLister, SIGNAL(completed()),
 121             this, SLOT(slotDirListerCompleted()));
 122     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 123             this, SLOT(showInfoMessage(const QString&)));
 124     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 125             this, SLOT(showErrorMessage(const QString&)));
 126     connect(m_dirLister, SIGNAL(urlIsFileError(const KUrl&)),
 127             this, SLOT(openFile(const KUrl&)));
 128
 129     m_view = new DolphinView(this,
 130                              url,
 131                              m_dirLister,
 132                              m_dolphinModel,
 133                              m_proxyModel);
 134     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 135             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 136     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&, const QList<QAction*>&)),
 137             this, SLOT(openContextMenu(KFileItem, const KUrl&, const QList<QAction*>&)));
 138     connect(m_view, SIGNAL(contentsMoved(int, int)),
 139             this, SLOT(saveContentsPos(int, int)));
 140     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 141             this, SLOT(showItemInfo(KFileItem)));
 142     connect(m_view, SIGNAL(errorMessage(const QString&)),
 143             this, SLOT(showErrorMessage(const QString&)));
 144     connect(m_view, SIGNAL(infoMessage(const QString&)),
 145             this, SLOT(showInfoMessage(const QString&)));
 146     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 147             this, SLOT(showOperationCompletedMessage(const QString&)));
 148     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 149             this, SLOT(slotItemTriggered(KFileItem)));
 150     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 151             this, SLOT(saveRootUrl(const KUrl&)));
 152     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 153             this, SLOT(redirect(KUrl, KUrl)));
 154
 155     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 156             this, SLOT(restoreView(const KUrl&)));
 157
 158     m_statusBar = new DolphinStatusBar(this, m_view);
 159
 160     m_filterBar = new FilterBar(this);
 161     m_filterBar->setVisible(settings->filterBar());
 162     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 163             this, SLOT(setNameFilter(const QString&)));
 164     connect(m_filterBar, SIGNAL(closeRequest()),
 165             this, SLOT(closeFilterBar()));
 166     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 167             m_filterBar, SLOT(clear()));
 168
 169     m_topLayout->addWidget(m_urlNavigator);
 170     m_topLayout->addWidget(m_view);
 171     m_topLayout->addWidget(m_filterBar);
 172     m_topLayout->addWidget(m_statusBar);
 173 }
 174
 175 DolphinViewContainer::~DolphinViewContainer()
 176 {
 177     m_dirLister->disconnect();
 178
 179     delete m_proxyModel;
 180     m_proxyModel = 0;
 181     delete m_dolphinModel;
 182     m_dolphinModel = 0;
 183     m_dirLister = 0; // deleted by m_dolphinModel
 184 }
 185
 186 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 187 {
 188     m_urlNavigator->setUrl(newUrl);
 189     if (newUrl != m_urlNavigator->url()) {
 190         // Temporary disable the 'File'->'Create New...' menu until
 191         // the write permissions can be checked in a fast way at
 192         // DolphinViewContainer::slotDirListerCompleted().
 193         m_isFolderWritable = false;
 194         if (isActive()) {
 195             m_mainWindow->newMenu()->menu()->setEnabled(false);
 196         }
 197     }
 198 }
 199
 200 const KUrl& DolphinViewContainer::url() const
 201 {
 202     return m_urlNavigator->url();
 203 }
 204
 205 void DolphinViewContainer::setActive(bool active)
 206 {
 207     m_urlNavigator->setActive(active);
 208     m_view->setActive(active);
 209     if (active) {
 210         m_mainWindow->newMenu()->menu()->setEnabled(m_isFolderWritable);
 211     }
 212 }
 213
 214 bool DolphinViewContainer::isActive() const
 215 {
 216     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 217     return m_view->isActive();
 218 }
 219
 220 void DolphinViewContainer::refresh()
 221 {
 222     m_view->refresh();
 223     m_statusBar->refresh();
 224 }
 225
 226 bool DolphinViewContainer::isFilterBarVisible() const
 227 {
 228     return m_filterBar->isVisible();
 229 }
 230
 231 void DolphinViewContainer::showFilterBar(bool show)
 232 {
 233     Q_ASSERT(m_filterBar != 0);
 234     if (show) {
 235         m_filterBar->show();
 236     } else {
 237         closeFilterBar();
 238     }
 239 }
 240
 241 bool DolphinViewContainer::isUrlEditable() const
 242 {
 243     return m_urlNavigator->isUrlEditable();
 244 }
 245
 246 void DolphinViewContainer::updateProgress(int percent)
 247 {
 248     if (!m_showProgress) {
 249         // Only show the directory loading progress if the status bar does
 250         // not contain another progress information. This means that
 251         // the directory loading progress information has the lowest priority.
 252         const QString progressText(m_statusBar->progressText());
 253         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 254         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 255         if (m_showProgress) {
 256             m_statusBar->setProgressText(loadingText);
 257             m_statusBar->setProgress(0);
 258         }
 259     }
 260
 261     if (m_showProgress) {
 262         m_statusBar->setProgress(percent);
 263     }
 264 }
 265
 266 void DolphinViewContainer::slotDirListerCompleted()
 267 {
 268     if (m_showProgress) {
 269         m_statusBar->setProgressText(QString());
 270         m_statusBar->setProgress(100);
 271         m_showProgress = false;
 272     }
 273
 274     updateStatusBar();
 275     QMetaObject::invokeMethod(this, "restoreContentsPos", Qt::QueuedConnection);
 276
 277     // Enable the 'File'->'Create New...' menu only if the directory
 278     // supports writing.
 279     KFileItem item = m_dirLister->rootItem();
 280     if (item.isNull()) {
 281         // it is unclear whether writing is supported
 282         m_isFolderWritable = true;
 283     } else {
 284         KonqFileItemCapabilities capabilities(KFileItemList() << item);
 285         m_isFolderWritable = capabilities.supportsWriting();
 286     }
 287
 288     if (isActive()) {
 289         m_mainWindow->newMenu()->menu()->setEnabled(m_isFolderWritable);
 290     }
 291 }
 292
 293 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 294 {
 295     if (item.isNull()) {
 296         m_statusBar->clear();
 297     } else {
 298         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 299     }
 300 }
 301
 302 void DolphinViewContainer::showInfoMessage(const QString& msg)
 303 {
 304     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 305 }
 306
 307 void DolphinViewContainer::showErrorMessage(const QString& msg)
 308 {
 309     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 310 }
 311
 312 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 313 {
 314     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 315 }
 316
 317 void DolphinViewContainer::closeFilterBar()
 318 {
 319     m_filterBar->hide();
 320     m_filterBar->clear();
 321     m_view->setFocus();
 322     emit showFilterBarChanged(false);
 323 }
 324
 325 void DolphinViewContainer::updateStatusBar()
 326 {
 327     // As the item count information is less important
 328     // in comparison with other messages, it should only
 329     // be shown if:
 330     // - the status bar is empty or
 331     // - shows already the item count information or
 332     // - shows only a not very important information
 333     // - if any progress is given don't show the item count info at all
 334     const QString msg(m_statusBar->message());
 335     const bool updateStatusBarMsg = (msg.isEmpty() ||
 336                                      (msg == m_statusBar->defaultText()) ||
 337                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 338                                     (m_statusBar->progress() == 100);
 339
 340     const QString text(m_view->statusBarText());
 341     m_statusBar->setDefaultText(text);
 342
 343     if (updateStatusBarMsg) {
 344         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 345     }
 346 }
 347
 348 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 349 {
 350     m_view->setNameFilter(nameFilter);
 351     updateStatusBar();
 352 }
 353
 354 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 355                                            const KUrl& url,
 356                                            const QList<QAction*>& customActions)
 357 {
 358     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 359     contextMenu.setCustomActions(customActions);
 360     contextMenu.open();
 361 }
 362
 363 void DolphinViewContainer::saveContentsPos(int x, int y)
 364 {
 365     m_urlNavigator->savePosition(x, y);
 366 }
 367
 368 void DolphinViewContainer::restoreContentsPos()
 369 {
 370     if (!url().isEmpty()) {
 371         const QPoint pos = m_urlNavigator->savedPosition();
 372         m_view->setContentsPosition(pos.x(), pos.y());
 373     }
 374 }
 375
 376 void DolphinViewContainer::activate()
 377 {
 378     setActive(true);
 379 }
 380
 381 void DolphinViewContainer::restoreView(const KUrl& url)
 382 {
 383     if (KProtocolManager::supportsListing(url)) {
 384         m_view->updateView(url, m_urlNavigator->savedRootUrl());
 385         if (isActive()) {
 386             // When an URL has been entered, the view should get the focus.
 387             // The focus must be requested asynchronously, as changing the URL might create
 388             // a new view widget. Using QTimer::singleShow() works reliable, however
 389             // QMetaObject::invokeMethod() with a queued connection does not work, which might
 390             // indicate that we should pass a hint to DolphinView::updateView()
 391             // regarding the focus instead. To test: Enter an URL and press CTRL+Enter.
 392             // Expected result: The view should get the focus.
 393             QTimer::singleShot(0, this, SLOT(requestFocus()));
 394         }
 395     } else if (KProtocolManager::isSourceProtocol(url)) {
 396         QString app = "konqueror";
 397         if (url.protocol().startsWith(QLatin1String("http"))) {
 398             showErrorMessage(i18nc("@info:status",
 399                                    "Dolphin does not support web pages, the web browser has been launched"));
 400             const KConfigGroup config(KSharedConfig::openConfig("kdeglobals"), "General");
 401             const QString browser = config.readEntry("BrowserApplication");
 402             if (!browser.isEmpty()) {
 403                 app = browser;
 404             }
 405         } else {
 406             showErrorMessage(i18nc("@info:status",
 407                                    "Protocol not supported by Dolphin, Konqueror has been launched"));
 408         }
 409         const QString command = app + ' ' + url.pathOrUrl();
 410         KRun::runCommand(command, app, app, this);
 411     } else {
 412         showErrorMessage(i18nc("@info:status", "Invalid protocol"));
 413     }
 414 }
 415
 416 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 417 {
 418     Q_UNUSED(url);
 419     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 420 }
 421
 422 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 423 {
 424     DragAndDropHelper::instance().dropUrls(KFileItem(), destination, event, this);
 425 }
 426
 427 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
 428 {
 429     Q_UNUSED(oldUrl);
 430     const bool block = m_urlNavigator->signalsBlocked();
 431     m_urlNavigator->blockSignals(true);
 432     m_urlNavigator->setUrl(newUrl);
 433     m_urlNavigator->blockSignals(block);
 434 }
 435
 436 void DolphinViewContainer::requestFocus()
 437 {
 438     m_view->setFocus();
 439 }
 440
 441 void DolphinViewContainer::saveUrlCompletionMode(KGlobalSettings::Completion completion)
 442 {
 443     DolphinSettings& settings = DolphinSettings::instance();
 444     settings.generalSettings()->setUrlCompletionMode(completion);
 445     settings.save();
 446 }
 447
 448 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 449 {
 450     KUrl url = item.targetUrl();
 451
 452     if (item.isDir()) {
 453         m_view->setUrl(url);
 454         return;
 455     }
 456
 457     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 458     const bool browseThroughArchives = settings->browseThroughArchives();
 459     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 460         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 461         // zip:/<path>/ when clicking on a zip file, etc.
 462         // The .protocol file specifies the mimetype that the kioslave handles.
 463         // Note that we don't use mimetype inheritance since we don't want to
 464         // open OpenDocument files as zip folders...
 465         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 466         if (!protocol.isEmpty()) {
 467             url.setProtocol(protocol);
 468             m_view->setUrl(url);
 469             return;
 470         }
 471     }
 472
 473     item.run();
 474 }
 475
 476 void DolphinViewContainer::openFile(const KUrl& url)
 477 {
 478     // Using m_dolphinModel for getting the file item instance is not possible
 479     // here: openFile() is triggered by an error of the directory lister
 480     // job, so the file item must be received "manually".
 481     const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 482     slotItemTriggered(item);
 483 }
 484
 485 #include "dolphinviewcontainer.moc"