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(contentsMoved(int, int)),
 123             this, SLOT(saveContentsPos(int, int)));
 124     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 125             this, SLOT(showItemInfo(KFileItem)));
 126     connect(m_view, SIGNAL(errorMessage(const QString&)),
 127             this, SLOT(showErrorMessage(const QString&)));
 128     connect(m_view, SIGNAL(infoMessage(const QString&)),
 129             this, SLOT(showInfoMessage(const QString&)));
 130     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 131             this, SLOT(showOperationCompletedMessage(const QString&)));
 132     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 133             this, SLOT(slotItemTriggered(KFileItem)));
 134     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 135             this, SLOT(saveRootUrl(const KUrl&)));
 136
 137     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 138             this, SLOT(restoreView(const KUrl&)));
 139
 140     m_statusBar = new DolphinStatusBar(this, url);
 141     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 142             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 143
 144     m_filterBar = new FilterBar(this);
 145     m_filterBar->setVisible(settings->filterBar());
 146     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 147             this, SLOT(setNameFilter(const QString&)));
 148     connect(m_filterBar, SIGNAL(closeRequest()),
 149             this, SLOT(closeFilterBar()));
 150
 151     m_topLayout->addWidget(m_urlNavigator);
 152     m_topLayout->addWidget(m_view);
 153     m_topLayout->addWidget(m_filterBar);
 154     m_topLayout->addWidget(m_statusBar);
 155 }
 156
 157 DolphinViewContainer::~DolphinViewContainer()
 158 {
 159     m_dirLister->disconnect();
 160
 161     delete m_proxyModel;
 162     m_proxyModel = 0;
 163     delete m_dolphinModel;
 164     m_dolphinModel = 0;
 165     m_dirLister = 0; // deleted by m_dolphinModel
 166 }
 167
 168 void DolphinViewContainer::setUrl(const KUrl& url)
 169 {
 170     m_urlNavigator->setUrl(url);
 171 }
 172
 173 const KUrl& DolphinViewContainer::url() const
 174 {
 175     return m_urlNavigator->url();
 176 }
 177
 178 void DolphinViewContainer::setActive(bool active)
 179 {
 180     m_urlNavigator->setActive(active);
 181     m_view->setActive(active);
 182 }
 183
 184 bool DolphinViewContainer::isActive() const
 185 {
 186     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 187     return m_view->isActive();
 188 }
 189
 190 bool DolphinViewContainer::isFilterBarVisible() const
 191 {
 192     return m_filterBar->isVisible();
 193 }
 194
 195 bool DolphinViewContainer::isUrlEditable() const
 196 {
 197     return m_urlNavigator->isUrlEditable();
 198 }
 199
 200 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 201 {
 202     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 203     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 204 }
 205
 206 void DolphinViewContainer::updateProgress(int percent)
 207 {
 208     if (!m_showProgress) {
 209         // Only show the directory loading progress if the status bar does
 210         // not contain another progress information. This means that
 211         // the directory loading progress information has the lowest priority.
 212         const QString progressText(m_statusBar->progressText());
 213         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 214         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 215         if (m_showProgress) {
 216             m_statusBar->setProgressText(loadingText);
 217             m_statusBar->setProgress(0);
 218         }
 219     }
 220
 221     if (m_showProgress) {
 222         m_statusBar->setProgress(percent);
 223     }
 224 }
 225
 226 void DolphinViewContainer::slotDirListerCompleted()
 227 {
 228     if (m_showProgress) {
 229         m_statusBar->setProgressText(QString());
 230         m_statusBar->setProgress(100);
 231         m_showProgress = false;
 232     }
 233
 234     updateStatusBar();
 235
 236     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 237 }
 238
 239 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 240 {
 241     if (item.isNull()) {
 242         m_statusBar->clear();
 243     } else {
 244         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 245     }
 246 }
 247
 248 void DolphinViewContainer::showInfoMessage(const QString& msg)
 249 {
 250     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 251 }
 252
 253 void DolphinViewContainer::showErrorMessage(const QString& msg)
 254 {
 255     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 256 }
 257
 258 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 259 {
 260     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 261 }
 262
 263 void DolphinViewContainer::closeFilterBar()
 264 {
 265     m_filterBar->hide();
 266     emit showFilterBarChanged(false);
 267 }
 268
 269 QString DolphinViewContainer::defaultStatusBarText() const
 270 {
 271     int folderCount = 0;
 272     int fileCount = 0;
 273     m_view->calculateItemCount(fileCount, folderCount);
 274     return KIO::itemsSummaryString(fileCount + folderCount,
 275                                    fileCount,
 276                                    folderCount,
 277                                    0, false);
 278 }
 279
 280 QString DolphinViewContainer::selectionStatusBarText() const
 281 {
 282     QString text;
 283     const KFileItemList list = m_view->selectedItems();
 284     if (list.isEmpty()) {
 285         // when an item is triggered, it is temporary selected but selectedItems()
 286         // will return an empty list
 287         return QString();
 288     }
 289
 290     int fileCount = 0;
 291     int folderCount = 0;
 292     KIO::filesize_t byteSize = 0;
 293     KFileItemList::const_iterator it = list.begin();
 294     const KFileItemList::const_iterator end = list.end();
 295     while (it != end) {
 296         const KFileItem& item = *it;
 297         if (item.isDir()) {
 298             ++folderCount;
 299         } else {
 300             ++fileCount;
 301             byteSize += item.size();
 302         }
 303         ++it;
 304     }
 305
 306     if (folderCount > 0) {
 307         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 308         if (fileCount > 0) {
 309             text += ", ";
 310         }
 311     }
 312
 313     if (fileCount > 0) {
 314         const QString sizeText(KIO::convertSize(byteSize));
 315         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 316     }
 317
 318     return text;
 319 }
 320
 321 void DolphinViewContainer::showFilterBar(bool show)
 322 {
 323     Q_ASSERT(m_filterBar != 0);
 324     m_filterBar->setVisible(show);
 325 }
 326
 327 void DolphinViewContainer::updateStatusBar()
 328 {
 329     // As the item count information is less important
 330     // in comparison with other messages, it should only
 331     // be shown if:
 332     // - the status bar is empty or
 333     // - shows already the item count information or
 334     // - shows only a not very important information
 335     // - if any progress is given don't show the item count info at all
 336     const QString msg(m_statusBar->message());
 337     const bool updateStatusBarMsg = (msg.isEmpty() ||
 338                                      (msg == m_statusBar->defaultText()) ||
 339                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 340                                     (m_statusBar->progress() == 100);
 341
 342     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 343     m_statusBar->setDefaultText(text);
 344
 345     if (updateStatusBarMsg) {
 346         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 347     }
 348 }
 349
 350 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 351 {
 352     m_view->setNameFilter(nameFilter);
 353     updateStatusBar();
 354 }
 355
 356 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 357                                            const KUrl& url)
 358 {
 359     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 360     contextMenu.open();
 361 }
 362
 363 void DolphinViewContainer::saveContentsPos(int x, int y)
 364 {
 365     m_urlNavigator->savePosition(x, y);
 366 }
 367
 368 void DolphinViewContainer::restoreContentsPos()
 369 {
 370     if (!url().isEmpty()) {
 371         const QPoint pos = m_urlNavigator->savedPosition();
 372         m_view->setContentsPosition(pos.x(), pos.y());
 373     }
 374 }
 375
 376 void DolphinViewContainer::activate()
 377 {
 378     setActive(true);
 379 }
 380
 381 void DolphinViewContainer::restoreView(const KUrl& url)
 382 {
 383     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 384 }
 385
 386 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 387 {
 388     Q_UNUSED(url);
 389     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 390 }
 391
 392 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 393 {
 394     // Prefer the local path over the URL.
 395     bool isLocal;
 396     KUrl url = item.mostLocalUrl(isLocal);
 397
 398     if (item.isDir()) {
 399         m_view->setUrl(url);
 400     } else if (item.isFile() && url.isLocalFile()) {
 401         // allow to browse through ZIP and tar files
 402         // TODO: make this configurable for Dolphin in KDE 4.1
 403
 404         KMimeType::Ptr mime = item.mimeTypePtr();
 405
 406         // Don't use mime->is("application/zip"), as this would
 407         // also browse through Open Office files:
 408         if (mime->name() == "application/zip") {
 409             url.setProtocol("zip");
 410             m_view->setUrl(url);
 411         } else if (mime->is("application/x-tar") ||
 412                    mime->is("application/x-tarz") ||
 413                    mime->is("application/x-bzip-compressed-tar") ||
 414                    mime->is("application/x-compressed-tar") ||
 415                    mime->is("application/x-tzo")) {
 416             url.setProtocol("tar");
 417             m_view->setUrl(url);
 418         } else {
 419             item.run();
 420         }
 421     } else {
 422         item.run();
 423     }
 424 }
 425
 426 #include "dolphinviewcontainer.moc"