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     connect(m_dirLister, SIGNAL(urlIsFileError(const KUrl&)),
 121             this, SLOT(openFile(const KUrl&)));
 122
 123     m_view = new DolphinView(this,
 124                              url,
 125                              m_dirLister,
 126                              m_dolphinModel,
 127                              m_proxyModel);
 128     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 129             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 130     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 131             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 132     connect(m_view, SIGNAL(contentsMoved(int, int)),
 133             this, SLOT(saveContentsPos(int, int)));
 134     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 135             this, SLOT(showItemInfo(KFileItem)));
 136     connect(m_view, SIGNAL(errorMessage(const QString&)),
 137             this, SLOT(showErrorMessage(const QString&)));
 138     connect(m_view, SIGNAL(infoMessage(const QString&)),
 139             this, SLOT(showInfoMessage(const QString&)));
 140     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 141             this, SLOT(showOperationCompletedMessage(const QString&)));
 142     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 143             this, SLOT(slotItemTriggered(KFileItem)));
 144     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 145             this, SLOT(saveRootUrl(const KUrl&)));
 146     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 147             this, SLOT(redirect(KUrl, KUrl)));
 148
 149     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 150             this, SLOT(restoreView(const KUrl&)));
 151
 152     m_statusBar = new DolphinStatusBar(this, m_view);
 153
 154     m_filterBar = new FilterBar(this);
 155     m_filterBar->setVisible(settings->filterBar());
 156     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 157             this, SLOT(setNameFilter(const QString&)));
 158     connect(m_filterBar, SIGNAL(closeRequest()),
 159             this, SLOT(closeFilterBar()));
 160
 161     m_topLayout->addWidget(m_urlNavigator);
 162     m_topLayout->addWidget(m_view);
 163     m_topLayout->addWidget(m_filterBar);
 164     m_topLayout->addWidget(m_statusBar);
 165 }
 166
 167 DolphinViewContainer::~DolphinViewContainer()
 168 {
 169     m_dirLister->disconnect();
 170
 171     delete m_proxyModel;
 172     m_proxyModel = 0;
 173     delete m_dolphinModel;
 174     m_dolphinModel = 0;
 175     m_dirLister = 0; // deleted by m_dolphinModel
 176 }
 177
 178 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 179 {
 180     m_urlNavigator->setUrl(newUrl);
 181     if (newUrl != m_urlNavigator->url()) {
 182         // Temporary disable the 'File'->'Create New...' menu until
 183         // the write permissions can be checked in a fast way at
 184         // DolphinViewContainer::slotDirListerCompleted().
 185         m_mainWindow->newMenu()->menu()->setEnabled(false);
 186     }
 187 }
 188
 189 const KUrl& DolphinViewContainer::url() const
 190 {
 191     return m_urlNavigator->url();
 192 }
 193
 194 void DolphinViewContainer::setActive(bool active)
 195 {
 196     m_urlNavigator->setActive(active);
 197     m_view->setActive(active);
 198 }
 199
 200 bool DolphinViewContainer::isActive() const
 201 {
 202     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 203     return m_view->isActive();
 204 }
 205
 206 void DolphinViewContainer::refresh()
 207 {
 208     m_view->refresh();
 209     m_statusBar->refresh();
 210 }
 211
 212 bool DolphinViewContainer::isFilterBarVisible() const
 213 {
 214     return m_filterBar->isVisible();
 215 }
 216
 217 bool DolphinViewContainer::isUrlEditable() const
 218 {
 219     return m_urlNavigator->isUrlEditable();
 220 }
 221
 222 void DolphinViewContainer::updateProgress(int percent)
 223 {
 224     if (!m_showProgress) {
 225         // Only show the directory loading progress if the status bar does
 226         // not contain another progress information. This means that
 227         // the directory loading progress information has the lowest priority.
 228         const QString progressText(m_statusBar->progressText());
 229         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 230         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 231         if (m_showProgress) {
 232             m_statusBar->setProgressText(loadingText);
 233             m_statusBar->setProgress(0);
 234         }
 235     }
 236
 237     if (m_showProgress) {
 238         m_statusBar->setProgress(percent);
 239     }
 240 }
 241
 242 void DolphinViewContainer::slotDirListerCompleted()
 243 {
 244     if (m_showProgress) {
 245         m_statusBar->setProgressText(QString());
 246         m_statusBar->setProgress(100);
 247         m_showProgress = false;
 248     }
 249
 250     updateStatusBar();
 251     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 252
 253     // Enable the 'File'->'Create New...' menu only if the directory
 254     // supports writing.
 255     KMenu* createNew = m_mainWindow->newMenu()->menu();
 256     KFileItem item = m_dirLister->rootItem();
 257     if (item.isNull()) {
 258         // it is unclear whether writing is supported
 259         createNew->setEnabled(true);
 260     } else {
 261         KonqFileItemCapabilities capabilities(KFileItemList() << item);
 262         createNew->setEnabled(capabilities.supportsWriting());
 263     }
 264 }
 265
 266 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 267 {
 268     if (item.isNull()) {
 269         m_statusBar->clear();
 270     } else {
 271         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 272     }
 273 }
 274
 275 void DolphinViewContainer::showInfoMessage(const QString& msg)
 276 {
 277     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 278 }
 279
 280 void DolphinViewContainer::showErrorMessage(const QString& msg)
 281 {
 282     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 283 }
 284
 285 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 286 {
 287     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 288 }
 289
 290 void DolphinViewContainer::closeFilterBar()
 291 {
 292     m_filterBar->hide();
 293     m_filterBar->clear();
 294     emit showFilterBarChanged(false);
 295 }
 296
 297 void DolphinViewContainer::showFilterBar(bool show)
 298 {
 299     Q_ASSERT(m_filterBar != 0);
 300     m_filterBar->setVisible(show);
 301 }
 302
 303 void DolphinViewContainer::updateStatusBar()
 304 {
 305     // As the item count information is less important
 306     // in comparison with other messages, it should only
 307     // be shown if:
 308     // - the status bar is empty or
 309     // - shows already the item count information or
 310     // - shows only a not very important information
 311     // - if any progress is given don't show the item count info at all
 312     const QString msg(m_statusBar->message());
 313     const bool updateStatusBarMsg = (msg.isEmpty() ||
 314                                      (msg == m_statusBar->defaultText()) ||
 315                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 316                                     (m_statusBar->progress() == 100);
 317
 318     const QString text(m_view->statusBarText());
 319     m_statusBar->setDefaultText(text);
 320
 321     if (updateStatusBarMsg) {
 322         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 323     }
 324 }
 325
 326 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 327 {
 328     m_view->setNameFilter(nameFilter);
 329     updateStatusBar();
 330 }
 331
 332 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 333                                            const KUrl& url)
 334 {
 335     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 336     contextMenu.open();
 337 }
 338
 339 void DolphinViewContainer::saveContentsPos(int x, int y)
 340 {
 341     m_urlNavigator->savePosition(x, y);
 342 }
 343
 344 void DolphinViewContainer::restoreContentsPos()
 345 {
 346     if (!url().isEmpty()) {
 347         const QPoint pos = m_urlNavigator->savedPosition();
 348         m_view->setContentsPosition(pos.x(), pos.y());
 349     }
 350 }
 351
 352 void DolphinViewContainer::activate()
 353 {
 354     setActive(true);
 355 }
 356
 357 void DolphinViewContainer::restoreView(const KUrl& url)
 358 {
 359     if (KProtocolManager::supportsListing(url)) {
 360         m_view->updateView(url, m_urlNavigator->savedRootUrl());
 361     } else if (KProtocolManager::isSourceProtocol(url)) {
 362         QString app = "konqueror";
 363         if (url.protocol().startsWith(QLatin1String("http"))) {
 364             showErrorMessage(i18nc("@info:status",
 365                                    "Dolphin does not support web pages, the web browser has been launched"));
 366             const KConfigGroup config(KSharedConfig::openConfig("kdeglobals"), "General");
 367             const QString browser = config.readEntry("BrowserApplication");
 368             if (!browser.isEmpty()) {
 369                 app = browser;
 370             }
 371         } else {
 372             showErrorMessage(i18nc("@info:status",
 373                                    "Protocol not supported by Dolphin, Konqueror has been launched"));
 374         }
 375         const QString command = app + ' ' + url.pathOrUrl();
 376         KRun::runCommand(command, app, app, this);
 377     } else {
 378         showErrorMessage(i18nc("@info:status", "Invalid protocol"));
 379     }
 380 }
 381
 382 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 383 {
 384     Q_UNUSED(url);
 385     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 386 }
 387
 388 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 389 {
 390     DragAndDropHelper::instance().dropUrls(KFileItem(), destination, event, this);
 391 }
 392
 393 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
 394 {
 395     Q_UNUSED(oldUrl);
 396     const bool block = m_urlNavigator->signalsBlocked();
 397     m_urlNavigator->blockSignals(true);
 398     m_urlNavigator->setUrl(newUrl);
 399     m_urlNavigator->blockSignals(block);
 400 }
 401
 402 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 403 {
 404     KUrl url = item.targetUrl();
 405
 406     if (item.isDir()) {
 407         m_view->setUrl(url);
 408         return;
 409     }
 410
 411     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 412     const bool browseThroughArchives = settings->browseThroughArchives();
 413     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 414         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 415         // zip:/<path>/ when clicking on a zip file, etc.
 416         // The .protocol file specifies the mimetype that the kioslave handles.
 417         // Note that we don't use mimetype inheritance since we don't want to
 418         // open OpenDocument files as zip folders...
 419         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 420         if (!protocol.isEmpty()) {
 421             url.setProtocol(protocol);
 422             m_view->setUrl(url);
 423             return;
 424         }
 425     }
 426
 427     item.run();
 428 }
 429
 430 void DolphinViewContainer::openFile(const KUrl& url)
 431 {
 432     // Using m_dolphinModel for getting the file item instance is not possible
 433     // here: openFile() is triggered by an error of the directory lister
 434     // job, so the file item must be received "manually".
 435     const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 436     slotItemTriggered(item);
 437 }
 438
 439 #include "dolphinviewcontainer.moc"