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