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