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