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
  46 #include "dolphinmodel.h"
  47 #include "dolphincolumnview.h"
  48 #include "dolphincontroller.h"
  49 #include "dolphinstatusbar.h"
  50 #include "dolphinmainwindow.h"
  51 #include "dolphindirlister.h"
  52 #include "dolphinsortfilterproxymodel.h"
  53 #include "dolphindetailsview.h"
  54 #include "dolphiniconsview.h"
  55 #include "dolphincontextmenu.h"
  56 #include "filterbar.h"
  57 #include "kurlnavigator.h"
  58 #include "viewproperties.h"
  59 #include "dolphinsettings.h"
  60 #include "dolphin_generalsettings.h"
  61
  62 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  63                                            QWidget* parent,
  64                                            const KUrl& url) :
  65     QWidget(parent),
  66     m_showProgress(false),
  67     m_mainWindow(mainWindow),
  68     m_topLayout(0),
  69     m_urlNavigator(0),
  70     m_view(0),
  71     m_filterBar(0),
  72     m_statusBar(0),
  73     m_dirLister(0),
  74     m_proxyModel(0)
  75 {
  76     hide();
  77
  78     m_topLayout = new QVBoxLayout(this);
  79     m_topLayout->setSpacing(0);
  80     m_topLayout->setMargin(0);
  81
  82     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  83     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  84             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  85     connect(m_urlNavigator, SIGNAL(activated()),
  86             this, SLOT(activate()));
  87
  88     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  89     m_urlNavigator->setUrlEditable(settings->editableUrl());
  90     m_urlNavigator->setShowFullPath(settings->showFullPath());
  91     m_urlNavigator->setHomeUrl(settings->homeUrl());
  92
  93     m_dirLister = new DolphinDirLister();
  94     m_dirLister->setAutoUpdate(true);
  95     m_dirLister->setMainWindow(window());
  96     m_dirLister->setDelayedMimeTypes(true);
  97
  98     m_dolphinModel = new DolphinModel(this);
  99     m_dolphinModel->setDirLister(m_dirLister);
 100     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 101
 102     m_proxyModel = new DolphinSortFilterProxyModel(this);
 103     m_proxyModel->setSourceModel(m_dolphinModel);
 104     m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 105
 106     connect(m_dirLister, SIGNAL(clear()),
 107             this, SLOT(updateStatusBar()));
 108     connect(m_dirLister, SIGNAL(percent(int)),
 109             this, SLOT(updateProgress(int)));
 110     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 111             this, SLOT(updateStatusBar()));
 112     connect(m_dirLister, SIGNAL(completed()),
 113             this, SLOT(slotDirListerCompleted()));
 114     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 115             this, SLOT(showInfoMessage(const QString&)));
 116     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 117             this, SLOT(showErrorMessage(const QString&)));
 118
 119     m_view = new DolphinView(this,
 120                              url,
 121                              m_dirLister,
 122                              m_dolphinModel,
 123                              m_proxyModel);
 124     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 125             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 126     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 127             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 128     connect(m_view, SIGNAL(contentsMoved(int, int)),
 129             this, SLOT(saveContentsPos(int, int)));
 130     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 131             this, SLOT(showItemInfo(KFileItem)));
 132     connect(m_view, SIGNAL(errorMessage(const QString&)),
 133             this, SLOT(showErrorMessage(const QString&)));
 134     connect(m_view, SIGNAL(infoMessage(const QString&)),
 135             this, SLOT(showInfoMessage(const QString&)));
 136     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 137             this, SLOT(showOperationCompletedMessage(const QString&)));
 138     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 139             this, SLOT(slotItemTriggered(KFileItem)));
 140     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 141             this, SLOT(saveRootUrl(const KUrl&)));
 142
 143     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 144             this, SLOT(restoreView(const KUrl&)));
 145
 146     m_statusBar = new DolphinStatusBar(this, url);
 147     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 148             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 149
 150     m_filterBar = new FilterBar(this);
 151     m_filterBar->setVisible(settings->filterBar());
 152     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 153             this, SLOT(setNameFilter(const QString&)));
 154     connect(m_filterBar, SIGNAL(closeRequest()),
 155             this, SLOT(closeFilterBar()));
 156
 157     m_topLayout->addWidget(m_urlNavigator);
 158     m_topLayout->addWidget(m_view);
 159     m_topLayout->addWidget(m_filterBar);
 160     m_topLayout->addWidget(m_statusBar);
 161 }
 162
 163 DolphinViewContainer::~DolphinViewContainer()
 164 {
 165     m_dirLister->disconnect();
 166
 167     delete m_proxyModel;
 168     m_proxyModel = 0;
 169     delete m_dolphinModel;
 170     m_dolphinModel = 0;
 171     m_dirLister = 0; // deleted by m_dolphinModel
 172 }
 173
 174 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 175 {
 176     m_urlNavigator->setUrl(newUrl);
 177
 178     // Temporary disable the 'File'->'Create New...' menu until
 179     // the write permissions can be checked in a fast way at
 180     // DolphinViewContainer::slotDirListerCompleted().
 181     m_mainWindow->newMenu()->menu()->setEnabled(false);
 182 }
 183
 184 const KUrl& DolphinViewContainer::url() const
 185 {
 186     return m_urlNavigator->url();
 187 }
 188
 189 void DolphinViewContainer::setActive(bool active)
 190 {
 191     m_urlNavigator->setActive(active);
 192     m_view->setActive(active);
 193 }
 194
 195 bool DolphinViewContainer::isActive() const
 196 {
 197     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 198     return m_view->isActive();
 199 }
 200
 201 bool DolphinViewContainer::isFilterBarVisible() const
 202 {
 203     return m_filterBar->isVisible();
 204 }
 205
 206 bool DolphinViewContainer::isUrlEditable() const
 207 {
 208     return m_urlNavigator->isUrlEditable();
 209 }
 210
 211 void DolphinViewContainer::updateProgress(int percent)
 212 {
 213     if (!m_showProgress) {
 214         // Only show the directory loading progress if the status bar does
 215         // not contain another progress information. This means that
 216         // the directory loading progress information has the lowest priority.
 217         const QString progressText(m_statusBar->progressText());
 218         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 219         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 220         if (m_showProgress) {
 221             m_statusBar->setProgressText(loadingText);
 222             m_statusBar->setProgress(0);
 223         }
 224     }
 225
 226     if (m_showProgress) {
 227         m_statusBar->setProgress(percent);
 228     }
 229 }
 230
 231 void DolphinViewContainer::slotDirListerCompleted()
 232 {
 233     if (m_showProgress) {
 234         m_statusBar->setProgressText(QString());
 235         m_statusBar->setProgress(100);
 236         m_showProgress = false;
 237     }
 238
 239     updateStatusBar();
 240     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 241
 242     // Enable the 'File'->'Create New...' menu only if the directory
 243     // supports writing.
 244     KMenu* createNew = m_mainWindow->newMenu()->menu();
 245     KFileItem item = m_dirLister->rootItem();
 246     if (item.isNull()) {
 247         // it is unclear whether writing is supported
 248         createNew->setEnabled(true);
 249     } else {
 250         KonqFileItemCapabilities capabilities(KFileItemList() << item);
 251         createNew->setEnabled(capabilities.supportsWriting());
 252     }
 253 }
 254
 255 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 256 {
 257     if (item.isNull()) {
 258         m_statusBar->clear();
 259     } else {
 260         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 261     }
 262 }
 263
 264 void DolphinViewContainer::showInfoMessage(const QString& msg)
 265 {
 266     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 267 }
 268
 269 void DolphinViewContainer::showErrorMessage(const QString& msg)
 270 {
 271     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 272 }
 273
 274 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 275 {
 276     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 277 }
 278
 279 void DolphinViewContainer::closeFilterBar()
 280 {
 281     m_filterBar->hide();
 282     m_filterBar->clear();
 283     emit showFilterBarChanged(false);
 284 }
 285
 286 QString DolphinViewContainer::defaultStatusBarText() const
 287 {
 288     int folderCount = 0;
 289     int fileCount = 0;
 290     m_view->calculateItemCount(fileCount, folderCount);
 291     return KIO::itemsSummaryString(fileCount + folderCount,
 292                                    fileCount,
 293                                    folderCount,
 294                                    0, false);
 295 }
 296
 297 QString DolphinViewContainer::selectionStatusBarText() const
 298 {
 299     QString text;
 300     const KFileItemList list = m_view->selectedItems();
 301     if (list.isEmpty()) {
 302         // when an item is triggered, it is temporary selected but selectedItems()
 303         // will return an empty list
 304         return QString();
 305     }
 306
 307     int fileCount = 0;
 308     int folderCount = 0;
 309     KIO::filesize_t byteSize = 0;
 310     KFileItemList::const_iterator it = list.begin();
 311     const KFileItemList::const_iterator end = list.end();
 312     while (it != end) {
 313         const KFileItem& item = *it;
 314         if (item.isDir()) {
 315             ++folderCount;
 316         } else {
 317             ++fileCount;
 318             byteSize += item.size();
 319         }
 320         ++it;
 321     }
 322
 323     if (folderCount > 0) {
 324         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 325         if (fileCount > 0) {
 326             text += ", ";
 327         }
 328     }
 329
 330     if (fileCount > 0) {
 331         const QString sizeText(KIO::convertSize(byteSize));
 332         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 333     }
 334
 335     return text;
 336 }
 337
 338 void DolphinViewContainer::showFilterBar(bool show)
 339 {
 340     Q_ASSERT(m_filterBar != 0);
 341     m_filterBar->setVisible(show);
 342 }
 343
 344 void DolphinViewContainer::updateStatusBar()
 345 {
 346     // As the item count information is less important
 347     // in comparison with other messages, it should only
 348     // be shown if:
 349     // - the status bar is empty or
 350     // - shows already the item count information or
 351     // - shows only a not very important information
 352     // - if any progress is given don't show the item count info at all
 353     const QString msg(m_statusBar->message());
 354     const bool updateStatusBarMsg = (msg.isEmpty() ||
 355                                      (msg == m_statusBar->defaultText()) ||
 356                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 357                                     (m_statusBar->progress() == 100);
 358
 359     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 360     m_statusBar->setDefaultText(text);
 361
 362     if (updateStatusBarMsg) {
 363         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 364     }
 365 }
 366
 367 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 368 {
 369     m_view->setNameFilter(nameFilter);
 370     updateStatusBar();
 371 }
 372
 373 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 374                                            const KUrl& url)
 375 {
 376     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 377     contextMenu.open();
 378 }
 379
 380 void DolphinViewContainer::saveContentsPos(int x, int y)
 381 {
 382     m_urlNavigator->savePosition(x, y);
 383 }
 384
 385 void DolphinViewContainer::restoreContentsPos()
 386 {
 387     if (!url().isEmpty()) {
 388         const QPoint pos = m_urlNavigator->savedPosition();
 389         m_view->setContentsPosition(pos.x(), pos.y());
 390     }
 391 }
 392
 393 void DolphinViewContainer::activate()
 394 {
 395     setActive(true);
 396 }
 397
 398 void DolphinViewContainer::restoreView(const KUrl& url)
 399 {
 400     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 401 }
 402
 403 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 404 {
 405     Q_UNUSED(url);
 406     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 407 }
 408
 409 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 410 {
 411     KUrl url = item.targetUrl();
 412
 413     if (item.isDir()) {
 414         m_view->setUrl(url);
 415         return;
 416     }
 417
 418     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 419     const bool browseThroughArchives = settings->browseThroughArchives();
 420     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 421         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 422         // zip:/<path>/ when clicking on a zip file, etc.
 423         // The .protocol file specifies the mimetype that the kioslave handles.
 424         // Note that we don't use mimetype inheritance since we don't want to
 425         // open OpenDocument files as zip folders...
 426         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 427         if (!protocol.isEmpty()) {
 428             url.setProtocol(protocol);
 429             m_view->setUrl(url);
 430             return;
 431         }
 432     }
 433
 434     item.run();
 435 }
 436
 437 #include "dolphinviewcontainer.moc"