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     m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 100
 101     connect(m_dirLister, SIGNAL(clear()),
 102             this, SLOT(updateStatusBar()));
 103     connect(m_dirLister, SIGNAL(percent(int)),
 104             this, SLOT(updateProgress(int)));
 105     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 106             this, SLOT(updateStatusBar()));
 107     connect(m_dirLister, SIGNAL(completed()),
 108             this, SLOT(slotDirListerCompleted()));
 109     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 110             this, SLOT(showInfoMessage(const QString&)));
 111     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 112             this, SLOT(showErrorMessage(const QString&)));
 113
 114     m_view = new DolphinView(this,
 115                              url,
 116                              m_dirLister,
 117                              m_dolphinModel,
 118                              m_proxyModel);
 119     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 120             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 121     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 122             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 123     connect(m_view, SIGNAL(contentsMoved(int, int)),
 124             this, SLOT(saveContentsPos(int, int)));
 125     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 126             this, SLOT(showItemInfo(KFileItem)));
 127     connect(m_view, SIGNAL(errorMessage(const QString&)),
 128             this, SLOT(showErrorMessage(const QString&)));
 129     connect(m_view, SIGNAL(infoMessage(const QString&)),
 130             this, SLOT(showInfoMessage(const QString&)));
 131     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 132             this, SLOT(showOperationCompletedMessage(const QString&)));
 133     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 134             this, SLOT(slotItemTriggered(KFileItem)));
 135     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 136             this, SLOT(saveRootUrl(const KUrl&)));
 137
 138     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 139             this, SLOT(restoreView(const KUrl&)));
 140
 141     m_statusBar = new DolphinStatusBar(this, url);
 142     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 143             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 144
 145     m_filterBar = new FilterBar(this);
 146     m_filterBar->setVisible(settings->filterBar());
 147     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 148             this, SLOT(setNameFilter(const QString&)));
 149     connect(m_filterBar, SIGNAL(closeRequest()),
 150             this, SLOT(closeFilterBar()));
 151
 152     m_topLayout->addWidget(m_urlNavigator);
 153     m_topLayout->addWidget(m_view);
 154     m_topLayout->addWidget(m_filterBar);
 155     m_topLayout->addWidget(m_statusBar);
 156 }
 157
 158 DolphinViewContainer::~DolphinViewContainer()
 159 {
 160     m_dirLister->disconnect();
 161
 162     delete m_proxyModel;
 163     m_proxyModel = 0;
 164     delete m_dolphinModel;
 165     m_dolphinModel = 0;
 166     m_dirLister = 0; // deleted by m_dolphinModel
 167 }
 168
 169 void DolphinViewContainer::setUrl(const KUrl& url)
 170 {
 171     m_urlNavigator->setUrl(url);
 172 }
 173
 174 const KUrl& DolphinViewContainer::url() const
 175 {
 176     return m_urlNavigator->url();
 177 }
 178
 179 void DolphinViewContainer::setActive(bool active)
 180 {
 181     m_urlNavigator->setActive(active);
 182     m_view->setActive(active);
 183 }
 184
 185 bool DolphinViewContainer::isActive() const
 186 {
 187     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 188     return m_view->isActive();
 189 }
 190
 191 bool DolphinViewContainer::isFilterBarVisible() const
 192 {
 193     return m_filterBar->isVisible();
 194 }
 195
 196 bool DolphinViewContainer::isUrlEditable() const
 197 {
 198     return m_urlNavigator->isUrlEditable();
 199 }
 200
 201 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 202 {
 203     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 204     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 205 }
 206
 207 void DolphinViewContainer::updateProgress(int percent)
 208 {
 209     if (!m_showProgress) {
 210         // Only show the directory loading progress if the status bar does
 211         // not contain another progress information. This means that
 212         // the directory loading progress information has the lowest priority.
 213         const QString progressText(m_statusBar->progressText());
 214         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 215         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 216         if (m_showProgress) {
 217             m_statusBar->setProgressText(loadingText);
 218             m_statusBar->setProgress(0);
 219         }
 220     }
 221
 222     if (m_showProgress) {
 223         m_statusBar->setProgress(percent);
 224     }
 225 }
 226
 227 void DolphinViewContainer::slotDirListerCompleted()
 228 {
 229     if (m_showProgress) {
 230         m_statusBar->setProgressText(QString());
 231         m_statusBar->setProgress(100);
 232         m_showProgress = false;
 233     }
 234
 235     updateStatusBar();
 236
 237     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 238 }
 239
 240 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 241 {
 242     if (item.isNull()) {
 243         m_statusBar->clear();
 244     } else {
 245         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 246     }
 247 }
 248
 249 void DolphinViewContainer::showInfoMessage(const QString& msg)
 250 {
 251     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 252 }
 253
 254 void DolphinViewContainer::showErrorMessage(const QString& msg)
 255 {
 256     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 257 }
 258
 259 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 260 {
 261     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 262 }
 263
 264 void DolphinViewContainer::closeFilterBar()
 265 {
 266     m_filterBar->hide();
 267     emit showFilterBarChanged(false);
 268 }
 269
 270 QString DolphinViewContainer::defaultStatusBarText() const
 271 {
 272     int folderCount = 0;
 273     int fileCount = 0;
 274     m_view->calculateItemCount(fileCount, folderCount);
 275     return KIO::itemsSummaryString(fileCount + folderCount,
 276                                    fileCount,
 277                                    folderCount,
 278                                    0, false);
 279 }
 280
 281 QString DolphinViewContainer::selectionStatusBarText() const
 282 {
 283     QString text;
 284     const KFileItemList list = m_view->selectedItems();
 285     if (list.isEmpty()) {
 286         // when an item is triggered, it is temporary selected but selectedItems()
 287         // will return an empty list
 288         return QString();
 289     }
 290
 291     int fileCount = 0;
 292     int folderCount = 0;
 293     KIO::filesize_t byteSize = 0;
 294     KFileItemList::const_iterator it = list.begin();
 295     const KFileItemList::const_iterator end = list.end();
 296     while (it != end) {
 297         const KFileItem& item = *it;
 298         if (item.isDir()) {
 299             ++folderCount;
 300         } else {
 301             ++fileCount;
 302             byteSize += item.size();
 303         }
 304         ++it;
 305     }
 306
 307     if (folderCount > 0) {
 308         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 309         if (fileCount > 0) {
 310             text += ", ";
 311         }
 312     }
 313
 314     if (fileCount > 0) {
 315         const QString sizeText(KIO::convertSize(byteSize));
 316         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 317     }
 318
 319     return text;
 320 }
 321
 322 void DolphinViewContainer::showFilterBar(bool show)
 323 {
 324     Q_ASSERT(m_filterBar != 0);
 325     m_filterBar->setVisible(show);
 326 }
 327
 328 void DolphinViewContainer::updateStatusBar()
 329 {
 330     // As the item count information is less important
 331     // in comparison with other messages, it should only
 332     // be shown if:
 333     // - the status bar is empty or
 334     // - shows already the item count information or
 335     // - shows only a not very important information
 336     // - if any progress is given don't show the item count info at all
 337     const QString msg(m_statusBar->message());
 338     const bool updateStatusBarMsg = (msg.isEmpty() ||
 339                                      (msg == m_statusBar->defaultText()) ||
 340                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 341                                     (m_statusBar->progress() == 100);
 342
 343     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 344     m_statusBar->setDefaultText(text);
 345
 346     if (updateStatusBarMsg) {
 347         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 348     }
 349 }
 350
 351 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 352 {
 353     m_view->setNameFilter(nameFilter);
 354     updateStatusBar();
 355 }
 356
 357 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 358                                            const KUrl& url)
 359 {
 360     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 361     contextMenu.open();
 362 }
 363
 364 void DolphinViewContainer::saveContentsPos(int x, int y)
 365 {
 366     m_urlNavigator->savePosition(x, y);
 367 }
 368
 369 void DolphinViewContainer::restoreContentsPos()
 370 {
 371     if (!url().isEmpty()) {
 372         const QPoint pos = m_urlNavigator->savedPosition();
 373         m_view->setContentsPosition(pos.x(), pos.y());
 374     }
 375 }
 376
 377 void DolphinViewContainer::activate()
 378 {
 379     setActive(true);
 380 }
 381
 382 void DolphinViewContainer::restoreView(const KUrl& url)
 383 {
 384     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 385 }
 386
 387 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 388 {
 389     Q_UNUSED(url);
 390     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 391 }
 392
 393 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 394 {
 395     // Prefer the local path over the URL.
 396     bool isLocal;
 397     KUrl url = item.mostLocalUrl(isLocal);
 398
 399     if (item.isDir()) {
 400         m_view->setUrl(url);
 401     } else if (item.isFile() && url.isLocalFile()) {
 402         // allow to browse through ZIP and tar files
 403         // TODO: make this configurable for Dolphin in KDE 4.1
 404
 405         KMimeType::Ptr mime = item.mimeTypePtr();
 406
 407         // Don't use mime->is("application/zip"), as this would
 408         // also browse through Open Office files:
 409         if (mime->name() == "application/zip") {
 410             url.setProtocol("zip");
 411             m_view->setUrl(url);
 412         } else if (mime->is("application/x-tar") ||
 413                    mime->is("application/x-tarz") ||
 414                    mime->is("application/x-bzip-compressed-tar") ||
 415                    mime->is("application/x-compressed-tar") ||
 416                    mime->is("application/x-tzo")) {
 417             url.setProtocol("tar");
 418             m_view->setUrl(url);
 419         } else {
 420             item.run();
 421         }
 422     } else {
 423         item.run();
 424     }
 425 }
 426
 427 #include "dolphinviewcontainer.moc"