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     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 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 203 {
 204     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 205     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 206 }
 207
 208 void DolphinViewContainer::updateProgress(int percent)
 209 {
 210     if (!m_showProgress) {
 211         // Only show the directory loading progress if the status bar does
 212         // not contain another progress information. This means that
 213         // the directory loading progress information has the lowest priority.
 214         const QString progressText(m_statusBar->progressText());
 215         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 216         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 217         if (m_showProgress) {
 218             m_statusBar->setProgressText(loadingText);
 219             m_statusBar->setProgress(0);
 220         }
 221     }
 222
 223     if (m_showProgress) {
 224         m_statusBar->setProgress(percent);
 225     }
 226 }
 227
 228 void DolphinViewContainer::slotDirListerCompleted()
 229 {
 230     if (m_showProgress) {
 231         m_statusBar->setProgressText(QString());
 232         m_statusBar->setProgress(100);
 233         m_showProgress = false;
 234     }
 235
 236     updateStatusBar();
 237
 238     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 239 }
 240
 241 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 242 {
 243     if (item.isNull()) {
 244         m_statusBar->clear();
 245     } else {
 246         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 247     }
 248 }
 249
 250 void DolphinViewContainer::showInfoMessage(const QString& msg)
 251 {
 252     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 253 }
 254
 255 void DolphinViewContainer::showErrorMessage(const QString& msg)
 256 {
 257     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 258 }
 259
 260 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 261 {
 262     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 263 }
 264
 265 void DolphinViewContainer::closeFilterBar()
 266 {
 267     m_filterBar->hide();
 268     emit showFilterBarChanged(false);
 269 }
 270
 271 QString DolphinViewContainer::defaultStatusBarText() const
 272 {
 273     int folderCount = 0;
 274     int fileCount = 0;
 275     m_view->calculateItemCount(fileCount, folderCount);
 276     return KIO::itemsSummaryString(fileCount + folderCount,
 277                                    fileCount,
 278                                    folderCount,
 279                                    0, false);
 280 }
 281
 282 QString DolphinViewContainer::selectionStatusBarText() const
 283 {
 284     QString text;
 285     const KFileItemList list = m_view->selectedItems();
 286     if (list.isEmpty()) {
 287         // when an item is triggered, it is temporary selected but selectedItems()
 288         // will return an empty list
 289         return QString();
 290     }
 291
 292     int fileCount = 0;
 293     int folderCount = 0;
 294     KIO::filesize_t byteSize = 0;
 295     KFileItemList::const_iterator it = list.begin();
 296     const KFileItemList::const_iterator end = list.end();
 297     while (it != end) {
 298         const KFileItem& item = *it;
 299         if (item.isDir()) {
 300             ++folderCount;
 301         } else {
 302             ++fileCount;
 303             byteSize += item.size();
 304         }
 305         ++it;
 306     }
 307
 308     if (folderCount > 0) {
 309         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 310         if (fileCount > 0) {
 311             text += ", ";
 312         }
 313     }
 314
 315     if (fileCount > 0) {
 316         const QString sizeText(KIO::convertSize(byteSize));
 317         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 318     }
 319
 320     return text;
 321 }
 322
 323 void DolphinViewContainer::showFilterBar(bool show)
 324 {
 325     Q_ASSERT(m_filterBar != 0);
 326     m_filterBar->setVisible(show);
 327 }
 328
 329 void DolphinViewContainer::updateStatusBar()
 330 {
 331     // As the item count information is less important
 332     // in comparison with other messages, it should only
 333     // be shown if:
 334     // - the status bar is empty or
 335     // - shows already the item count information or
 336     // - shows only a not very important information
 337     // - if any progress is given don't show the item count info at all
 338     const QString msg(m_statusBar->message());
 339     const bool updateStatusBarMsg = (msg.isEmpty() ||
 340                                      (msg == m_statusBar->defaultText()) ||
 341                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 342                                     (m_statusBar->progress() == 100);
 343
 344     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 345     m_statusBar->setDefaultText(text);
 346
 347     if (updateStatusBarMsg) {
 348         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 349     }
 350 }
 351
 352 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 353 {
 354     m_view->setNameFilter(nameFilter);
 355     updateStatusBar();
 356 }
 357
 358 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 359                                            const KUrl& url)
 360 {
 361     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 362     contextMenu.open();
 363 }
 364
 365 void DolphinViewContainer::saveContentsPos(int x, int y)
 366 {
 367     m_urlNavigator->savePosition(x, y);
 368 }
 369
 370 void DolphinViewContainer::restoreContentsPos()
 371 {
 372     if (!url().isEmpty()) {
 373         const QPoint pos = m_urlNavigator->savedPosition();
 374         m_view->setContentsPosition(pos.x(), pos.y());
 375     }
 376 }
 377
 378 void DolphinViewContainer::activate()
 379 {
 380     setActive(true);
 381 }
 382
 383 void DolphinViewContainer::restoreView(const KUrl& url)
 384 {
 385     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 386 }
 387
 388 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 389 {
 390     Q_UNUSED(url);
 391     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 392 }
 393
 394 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 395 {
 396     // Prefer the local path over the URL.
 397     bool isLocal;
 398     KUrl url = item.mostLocalUrl(isLocal);
 399
 400     if (item.isDir()) {
 401         m_view->setUrl(url);
 402     } else if (item.isFile()) {
 403         // allow to browse through ZIP and tar files
 404         // TODO: make this configurable for Dolphin in KDE 4.1
 405         KMimeType::Ptr mime = item.mimeTypePtr();
 406         if (mime->is("application/zip") && mime->patterns().contains("*.zip")) {
 407             url.setProtocol("zip");
 408             m_view->setUrl(url);
 409         } else if (mime->is("application/x-tar") ||
 410                    mime->is("application/x-tarz") ||
 411                    mime->is("application/x-bzip-compressed-tar") ||
 412                    mime->is("application/x-compressed-tar") ||
 413                    mime->is("application/x-tzo")) {
 414             url.setProtocol("tar");
 415             m_view->setUrl(url);
 416         } else {
 417             item.run();
 418         }
 419     } else {
 420         item.run();
 421     }
 422 }
 423
 424 #include "dolphinviewcontainer.moc"