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 <kmimetyperesolver.h>
  39 #include <konqmimedata.h>
  40 #include <konq_operations.h>
  41 #include <kurl.h>
  42
  43 #include "dolphinmodel.h"
  44 #include "dolphincolumnview.h"
  45 #include "dolphincontroller.h"
  46 #include "dolphinstatusbar.h"
  47 #include "dolphinmainwindow.h"
  48 #include "dolphindirlister.h"
  49 #include "dolphinsortfilterproxymodel.h"
  50 #include "dolphindetailsview.h"
  51 #include "dolphiniconsview.h"
  52 #include "dolphincontextmenu.h"
  53 #include "filterbar.h"
  54 #include "kurlnavigator.h"
  55 #include "viewproperties.h"
  56 #include "dolphinsettings.h"
  57 #include "dolphin_generalsettings.h"
  58
  59 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  60                                            QWidget* parent,
  61                                            const KUrl& url) :
  62     QWidget(parent),
  63     m_showProgress(false),
  64     m_mainWindow(mainWindow),
  65     m_topLayout(0),
  66     m_urlNavigator(0),
  67     m_view(0),
  68     m_filterBar(0),
  69     m_statusBar(0),
  70     m_dirLister(0),
  71     m_proxyModel(0)
  72 {
  73     hide();
  74
  75     m_topLayout = new QVBoxLayout(this);
  76     m_topLayout->setSpacing(0);
  77     m_topLayout->setMargin(0);
  78
  79     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  80     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  81             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  82     connect(m_urlNavigator, SIGNAL(activated()),
  83             this, SLOT(activate()));
  84
  85     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  86     m_urlNavigator->setUrlEditable(settings->editableUrl());
  87     m_urlNavigator->setHomeUrl(settings->homeUrl());
  88
  89     m_dirLister = new DolphinDirLister();
  90     m_dirLister->setAutoUpdate(true);
  91     m_dirLister->setMainWindow(window());
  92     m_dirLister->setDelayedMimeTypes(true);
  93
  94     m_dolphinModel = new DolphinModel(this);
  95     m_dolphinModel->setDirLister(m_dirLister);
  96     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
  97
  98     m_proxyModel = new DolphinSortFilterProxyModel(this);
  99     m_proxyModel->setSourceModel(m_dolphinModel);
 100     m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 101
 102     connect(m_dirLister, SIGNAL(clear()),
 103             this, SLOT(updateStatusBar()));
 104     connect(m_dirLister, SIGNAL(percent(int)),
 105             this, SLOT(updateProgress(int)));
 106     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 107             this, SLOT(updateStatusBar()));
 108     connect(m_dirLister, SIGNAL(completed()),
 109             this, SLOT(slotDirListerCompleted()));
 110     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 111             this, SLOT(showInfoMessage(const QString&)));
 112     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 113             this, SLOT(showErrorMessage(const QString&)));
 114
 115     m_view = new DolphinView(this,
 116                              url,
 117                              m_dirLister,
 118                              m_dolphinModel,
 119                              m_proxyModel);
 120     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 121             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 122     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 123             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 124     connect(m_view, SIGNAL(contentsMoved(int, int)),
 125             this, SLOT(saveContentsPos(int, int)));
 126     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 127             this, SLOT(showItemInfo(KFileItem)));
 128     connect(m_view, SIGNAL(errorMessage(const QString&)),
 129             this, SLOT(showErrorMessage(const QString&)));
 130     connect(m_view, SIGNAL(infoMessage(const QString&)),
 131             this, SLOT(showInfoMessage(const QString&)));
 132     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 133             this, SLOT(showOperationCompletedMessage(const QString&)));
 134     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 135             this, SLOT(slotItemTriggered(KFileItem)));
 136     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 137             this, SLOT(saveRootUrl(const KUrl&)));
 138
 139     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 140             this, SLOT(restoreView(const KUrl&)));
 141
 142     m_statusBar = new DolphinStatusBar(this, url);
 143     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 144             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 145
 146     m_filterBar = new FilterBar(this);
 147     m_filterBar->setVisible(settings->filterBar());
 148     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 149             this, SLOT(setNameFilter(const QString&)));
 150     connect(m_filterBar, SIGNAL(closeRequest()),
 151             this, SLOT(closeFilterBar()));
 152
 153     m_topLayout->addWidget(m_urlNavigator);
 154     m_topLayout->addWidget(m_view);
 155     m_topLayout->addWidget(m_filterBar);
 156     m_topLayout->addWidget(m_statusBar);
 157 }
 158
 159 DolphinViewContainer::~DolphinViewContainer()
 160 {
 161     m_dirLister->disconnect();
 162
 163     delete m_proxyModel;
 164     m_proxyModel = 0;
 165     delete m_dolphinModel;
 166     m_dolphinModel = 0;
 167     m_dirLister = 0; // deleted by m_dolphinModel
 168 }
 169
 170 void DolphinViewContainer::setUrl(const KUrl& url)
 171 {
 172     m_urlNavigator->setUrl(url);
 173 }
 174
 175 const KUrl& DolphinViewContainer::url() const
 176 {
 177     return m_urlNavigator->url();
 178 }
 179
 180 void DolphinViewContainer::setActive(bool active)
 181 {
 182     m_urlNavigator->setActive(active);
 183     m_view->setActive(active);
 184 }
 185
 186 bool DolphinViewContainer::isActive() const
 187 {
 188     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 189     return m_view->isActive();
 190 }
 191
 192 bool DolphinViewContainer::isFilterBarVisible() const
 193 {
 194     return m_filterBar->isVisible();
 195 }
 196
 197 bool DolphinViewContainer::isUrlEditable() const
 198 {
 199     return m_urlNavigator->isUrlEditable();
 200 }
 201
 202 void DolphinViewContainer::updateProgress(int percent)
 203 {
 204     if (!m_showProgress) {
 205         // Only show the directory loading progress if the status bar does
 206         // not contain another progress information. This means that
 207         // the directory loading progress information has the lowest priority.
 208         const QString progressText(m_statusBar->progressText());
 209         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 210         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 211         if (m_showProgress) {
 212             m_statusBar->setProgressText(loadingText);
 213             m_statusBar->setProgress(0);
 214         }
 215     }
 216
 217     if (m_showProgress) {
 218         m_statusBar->setProgress(percent);
 219     }
 220 }
 221
 222 void DolphinViewContainer::slotDirListerCompleted()
 223 {
 224     if (m_showProgress) {
 225         m_statusBar->setProgressText(QString());
 226         m_statusBar->setProgress(100);
 227         m_showProgress = false;
 228     }
 229
 230     updateStatusBar();
 231
 232     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 233 }
 234
 235 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 236 {
 237     if (item.isNull()) {
 238         m_statusBar->clear();
 239     } else {
 240         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 241     }
 242 }
 243
 244 void DolphinViewContainer::showInfoMessage(const QString& msg)
 245 {
 246     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 247 }
 248
 249 void DolphinViewContainer::showErrorMessage(const QString& msg)
 250 {
 251     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 252 }
 253
 254 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 255 {
 256     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 257 }
 258
 259 void DolphinViewContainer::closeFilterBar()
 260 {
 261     m_filterBar->hide();
 262     emit showFilterBarChanged(false);
 263 }
 264
 265 QString DolphinViewContainer::defaultStatusBarText() const
 266 {
 267     int folderCount = 0;
 268     int fileCount = 0;
 269     m_view->calculateItemCount(fileCount, folderCount);
 270     return KIO::itemsSummaryString(fileCount + folderCount,
 271                                    fileCount,
 272                                    folderCount,
 273                                    0, false);
 274 }
 275
 276 QString DolphinViewContainer::selectionStatusBarText() const
 277 {
 278     QString text;
 279     const KFileItemList list = m_view->selectedItems();
 280     if (list.isEmpty()) {
 281         // when an item is triggered, it is temporary selected but selectedItems()
 282         // will return an empty list
 283         return QString();
 284     }
 285
 286     int fileCount = 0;
 287     int folderCount = 0;
 288     KIO::filesize_t byteSize = 0;
 289     KFileItemList::const_iterator it = list.begin();
 290     const KFileItemList::const_iterator end = list.end();
 291     while (it != end) {
 292         const KFileItem& item = *it;
 293         if (item.isDir()) {
 294             ++folderCount;
 295         } else {
 296             ++fileCount;
 297             byteSize += item.size();
 298         }
 299         ++it;
 300     }
 301
 302     if (folderCount > 0) {
 303         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 304         if (fileCount > 0) {
 305             text += ", ";
 306         }
 307     }
 308
 309     if (fileCount > 0) {
 310         const QString sizeText(KIO::convertSize(byteSize));
 311         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 312     }
 313
 314     return text;
 315 }
 316
 317 void DolphinViewContainer::showFilterBar(bool show)
 318 {
 319     Q_ASSERT(m_filterBar != 0);
 320     m_filterBar->setVisible(show);
 321 }
 322
 323 void DolphinViewContainer::updateStatusBar()
 324 {
 325     // As the item count information is less important
 326     // in comparison with other messages, it should only
 327     // be shown if:
 328     // - the status bar is empty or
 329     // - shows already the item count information or
 330     // - shows only a not very important information
 331     // - if any progress is given don't show the item count info at all
 332     const QString msg(m_statusBar->message());
 333     const bool updateStatusBarMsg = (msg.isEmpty() ||
 334                                      (msg == m_statusBar->defaultText()) ||
 335                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 336                                     (m_statusBar->progress() == 100);
 337
 338     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 339     m_statusBar->setDefaultText(text);
 340
 341     if (updateStatusBarMsg) {
 342         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 343     }
 344 }
 345
 346 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 347 {
 348     m_view->setNameFilter(nameFilter);
 349     updateStatusBar();
 350 }
 351
 352 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 353                                            const KUrl& url)
 354 {
 355     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 356     contextMenu.open();
 357 }
 358
 359 void DolphinViewContainer::saveContentsPos(int x, int y)
 360 {
 361     m_urlNavigator->savePosition(x, y);
 362 }
 363
 364 void DolphinViewContainer::restoreContentsPos()
 365 {
 366     if (!url().isEmpty()) {
 367         const QPoint pos = m_urlNavigator->savedPosition();
 368         m_view->setContentsPosition(pos.x(), pos.y());
 369     }
 370 }
 371
 372 void DolphinViewContainer::activate()
 373 {
 374     setActive(true);
 375 }
 376
 377 void DolphinViewContainer::restoreView(const KUrl& url)
 378 {
 379     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 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::slotItemTriggered(const KFileItem& item)
 389 {
 390     KUrl url = item.targetUrl();
 391
 392     if (item.isDir()) {
 393         m_view->setUrl(url);
 394         return;
 395     }
 396
 397     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 398     const bool browseThroughArchives = settings->browseThroughArchives();
 399     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 400         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 401         // zip:/<path>/ when clicking on a zip file, etc.
 402         // The .protocol file specifies the mimetype that the kioslave handles.
 403         // Note that we don't use mimetype inheritance since we don't want to
 404         // open OpenDocument files as zip folders...
 405         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 406         if (!protocol.isEmpty()) {
 407             url.setProtocol(protocol);
 408             m_view->setUrl(url);
 409             return;
 410         }
 411     }
 412
 413     item.run();
 414 }
 415
 416 #include "dolphinviewcontainer.moc"