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
  22 #include <QtGui/QApplication>
  23 #include <QtGui/QClipboard>
  24 #include <QtGui/QKeyEvent>
  25 #include <QtGui/QItemSelection>
  26 #include <QtGui/QBoxLayout>
  27 #include <QtCore/QTimer>
  28 #include <QtGui/QScrollBar>
  29
  30 #include <kfileitemdelegate.h>
  31 #include <kfileplacesmodel.h>
  32 #include <kglobalsettings.h>
  33 #include <klocale.h>
  34 #include <kiconeffect.h>
  35 #include <kio/netaccess.h>
  36 #include <kio/previewjob.h>
  37 #include <kmimetyperesolver.h>
  38 #include <konqmimedata.h>
  39 #include <konq_operations.h>
  40 #include <kurl.h>
  41
  42 #include "dolphinmodel.h"
  43 #include "dolphincolumnview.h"
  44 #include "dolphincontroller.h"
  45 #include "dolphinstatusbar.h"
  46 #include "dolphinmainwindow.h"
  47 #include "dolphindirlister.h"
  48 #include "dolphinsortfilterproxymodel.h"
  49 #include "dolphindetailsview.h"
  50 #include "dolphiniconsview.h"
  51 #include "dolphincontextmenu.h"
  52 #include "filterbar.h"
  53 #include "kurlnavigator.h"
  54 #include "viewproperties.h"
  55 #include "dolphinsettings.h"
  56 #include "dolphin_generalsettings.h"
  57
  58 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  59                                            QWidget* parent,
  60                                            const KUrl& url) :
  61     QWidget(parent),
  62     m_showProgress(false),
  63     m_mainWindow(mainWindow),
  64     m_topLayout(0),
  65     m_urlNavigator(0),
  66     m_view(0),
  67     m_filterBar(0),
  68     m_statusBar(0),
  69     m_dirLister(0),
  70     m_proxyModel(0)
  71 {
  72     hide();
  73     setFocusPolicy(Qt::StrongFocus);
  74     m_topLayout = new QVBoxLayout(this);
  75     m_topLayout->setSpacing(0);
  76     m_topLayout->setMargin(0);
  77
  78     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  79     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  80             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  81     connect(m_urlNavigator, SIGNAL(activated()),
  82             this, SLOT(activate()));
  83
  84     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  85     m_urlNavigator->setUrlEditable(settings->editableUrl());
  86     m_urlNavigator->setHomeUrl(settings->homeUrl());
  87
  88     m_dirLister = new DolphinDirLister();
  89     m_dirLister->setAutoUpdate(true);
  90     m_dirLister->setMainWindow(this);
  91     m_dirLister->setDelayedMimeTypes(true);
  92
  93     m_dolphinModel = new DolphinModel(this);
  94     m_dolphinModel->setDirLister(m_dirLister);
  95     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
  96
  97     m_proxyModel = new DolphinSortFilterProxyModel(this);
  98     m_proxyModel->setSourceModel(m_dolphinModel);
  99
 100     connect(m_dirLister, SIGNAL(clear()),
 101             this, SLOT(updateStatusBar()));
 102     connect(m_dirLister, SIGNAL(percent(int)),
 103             this, SLOT(updateProgress(int)));
 104     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 105             this, SLOT(updateStatusBar()));
 106     connect(m_dirLister, SIGNAL(completed()),
 107             this, SLOT(slotDirListerCompleted()));
 108     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 109             this, SLOT(showInfoMessage(const QString&)));
 110     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 111             this, SLOT(showErrorMessage(const QString&)));
 112
 113     m_view = new DolphinView(this,
 114                              url,
 115                              m_dirLister,
 116                              m_dolphinModel,
 117                              m_proxyModel);
 118     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 119             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 120     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 121             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 122     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 123             m_mainWindow, SLOT(dropUrls(const KUrl::List&, 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     delete m_dolphinModel;
 162     m_dolphinModel = 0;
 163     m_dirLister = 0; // deleted by m_dolphinModel
 164 }
 165
 166 void DolphinViewContainer::setUrl(const KUrl& url)
 167 {
 168     m_urlNavigator->setUrl(url);
 169 }
 170
 171 const KUrl& DolphinViewContainer::url() const
 172 {
 173     return m_urlNavigator->url();
 174 }
 175
 176 void DolphinViewContainer::setActive(bool active)
 177 {
 178     m_urlNavigator->setActive(active);
 179     m_view->setActive(active);
 180 }
 181
 182 bool DolphinViewContainer::isActive() const
 183 {
 184     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 185     return m_view->isActive();
 186 }
 187
 188 bool DolphinViewContainer::isFilterBarVisible() const
 189 {
 190     return m_filterBar->isVisible();
 191 }
 192
 193 bool DolphinViewContainer::isUrlEditable() const
 194 {
 195     return m_urlNavigator->isUrlEditable();
 196 }
 197
 198 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 199 {
 200     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 201     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 202 }
 203
 204 void DolphinViewContainer::updateProgress(int percent)
 205 {
 206     if (!m_showProgress) {
 207         // Only show the directory loading progress if the status bar does
 208         // not contain another progress information. This means that
 209         // the directory loading progress information has the lowest priority.
 210         const QString progressText(m_statusBar->progressText());
 211         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 212         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 213         if (m_showProgress) {
 214             m_statusBar->setProgressText(loadingText);
 215             m_statusBar->setProgress(0);
 216         }
 217     }
 218
 219     if (m_showProgress) {
 220         m_statusBar->setProgress(percent);
 221     }
 222 }
 223
 224 void DolphinViewContainer::slotDirListerCompleted()
 225 {
 226     if (m_showProgress) {
 227         m_statusBar->setProgressText(QString());
 228         m_statusBar->setProgress(100);
 229         m_showProgress = false;
 230     }
 231
 232     updateStatusBar();
 233
 234     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 235 }
 236
 237 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 238 {
 239     if (item.isNull()) {
 240         m_statusBar->clear();
 241     } else {
 242         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 243     }
 244 }
 245
 246 void DolphinViewContainer::showInfoMessage(const QString& msg)
 247 {
 248     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 249 }
 250
 251 void DolphinViewContainer::showErrorMessage(const QString& msg)
 252 {
 253     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 254 }
 255
 256 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 257 {
 258     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 259 }
 260
 261 void DolphinViewContainer::closeFilterBar()
 262 {
 263     m_filterBar->hide();
 264     emit showFilterBarChanged(false);
 265 }
 266
 267 QString DolphinViewContainer::defaultStatusBarText() const
 268 {
 269     int folderCount = 0;
 270     int fileCount = 0;
 271     m_view->calculateItemCount(fileCount, folderCount);
 272     return KIO::itemsSummaryString(fileCount + folderCount,
 273                                    fileCount,
 274                                    folderCount,
 275                                    0, false);
 276 }
 277
 278 QString DolphinViewContainer::selectionStatusBarText() const
 279 {
 280     QString text;
 281     const KFileItemList list = m_view->selectedItems();
 282     if (list.isEmpty()) {
 283         // when an item is triggered, it is temporary selected but selectedItems()
 284         // will return an empty list
 285         return QString();
 286     }
 287
 288     int fileCount = 0;
 289     int folderCount = 0;
 290     KIO::filesize_t byteSize = 0;
 291     KFileItemList::const_iterator it = list.begin();
 292     const KFileItemList::const_iterator end = list.end();
 293     while (it != end) {
 294         const KFileItem& item = *it;
 295         if (item.isDir()) {
 296             ++folderCount;
 297         } else {
 298             ++fileCount;
 299             byteSize += item.size();
 300         }
 301         ++it;
 302     }
 303
 304     if (folderCount > 0) {
 305         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 306         if (fileCount > 0) {
 307             text += ", ";
 308         }
 309     }
 310
 311     if (fileCount > 0) {
 312         const QString sizeText(KIO::convertSize(byteSize));
 313         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 314     }
 315
 316     return text;
 317 }
 318
 319 void DolphinViewContainer::showFilterBar(bool show)
 320 {
 321     Q_ASSERT(m_filterBar != 0);
 322     m_filterBar->setVisible(show);
 323 }
 324
 325 void DolphinViewContainer::updateStatusBar()
 326 {
 327     // As the item count information is less important
 328     // in comparison with other messages, it should only
 329     // be shown if:
 330     // - the status bar is empty or
 331     // - shows already the item count information or
 332     // - shows only a not very important information
 333     // - if any progress is given don't show the item count info at all
 334     const QString msg(m_statusBar->message());
 335     const bool updateStatusBarMsg = (msg.isEmpty() ||
 336                                      (msg == m_statusBar->defaultText()) ||
 337                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 338                                     (m_statusBar->progress() == 100);
 339
 340     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 341     m_statusBar->setDefaultText(text);
 342
 343     if (updateStatusBarMsg) {
 344         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 345     }
 346 }
 347
 348 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 349 {
 350     m_view->setNameFilter(nameFilter);
 351     updateStatusBar();
 352 }
 353
 354 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 355                                            const KUrl& url)
 356 {
 357     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 358     contextMenu.open();
 359 }
 360
 361 void DolphinViewContainer::saveContentsPos(int x, int y)
 362 {
 363     m_urlNavigator->savePosition(x, y);
 364 }
 365
 366 void DolphinViewContainer::restoreContentsPos()
 367 {
 368     if (!url().isEmpty()) {
 369         const QPoint pos = m_urlNavigator->savedPosition();
 370         m_view->setContentsPosition(pos.x(), pos.y());
 371     }
 372 }
 373
 374 void DolphinViewContainer::activate()
 375 {
 376     setActive(true);
 377 }
 378
 379 void DolphinViewContainer::restoreView(const KUrl& url)
 380 {
 381     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 382 }
 383
 384 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 385 {
 386     Q_UNUSED(url);
 387     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 388 }
 389
 390 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 391 {
 392     // Prefer the local path over the URL.
 393     bool isLocal;
 394     KUrl url = item.mostLocalUrl(isLocal);
 395
 396     if (item.isDir()) {
 397         m_view->setUrl(url);
 398     } else if (item.isFile()) {
 399         // allow to browse through ZIP and tar files
 400         KMimeType::Ptr mime = item.mimeTypePtr();
 401         if (mime->is("application/zip")) {
 402             url.setProtocol("zip");
 403             m_view->setUrl(url);
 404         } else if (mime->is("application/x-tar") ||
 405                    mime->is("application/x-tarz") ||
 406                    mime->is("application/x-bzip-compressed-tar") ||
 407                    mime->is("application/x-compressed-tar") ||
 408                    mime->is("application/x-tzo")) {
 409             url.setProtocol("tar");
 410             m_view->setUrl(url);
 411         } else {
 412             item.run();
 413         }
 414     } else {
 415         item.run();
 416     }
 417 }
 418
 419 #include "dolphinviewcontainer.moc"