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& newUrl)
 171 {
 172     m_urlNavigator->setUrl(newUrl);
 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     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 232 }
 233
 234 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 235 {
 236     if (item.isNull()) {
 237         m_statusBar->clear();
 238     } else {
 239         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 240     }
 241 }
 242
 243 void DolphinViewContainer::showInfoMessage(const QString& msg)
 244 {
 245     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 246 }
 247
 248 void DolphinViewContainer::showErrorMessage(const QString& msg)
 249 {
 250     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 251 }
 252
 253 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 254 {
 255     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 256 }
 257
 258 void DolphinViewContainer::closeFilterBar()
 259 {
 260     m_filterBar->hide();
 261     emit showFilterBarChanged(false);
 262 }
 263
 264 QString DolphinViewContainer::defaultStatusBarText() const
 265 {
 266     int folderCount = 0;
 267     int fileCount = 0;
 268     m_view->calculateItemCount(fileCount, folderCount);
 269     return KIO::itemsSummaryString(fileCount + folderCount,
 270                                    fileCount,
 271                                    folderCount,
 272                                    0, false);
 273 }
 274
 275 QString DolphinViewContainer::selectionStatusBarText() const
 276 {
 277     QString text;
 278     const KFileItemList list = m_view->selectedItems();
 279     if (list.isEmpty()) {
 280         // when an item is triggered, it is temporary selected but selectedItems()
 281         // will return an empty list
 282         return QString();
 283     }
 284
 285     int fileCount = 0;
 286     int folderCount = 0;
 287     KIO::filesize_t byteSize = 0;
 288     KFileItemList::const_iterator it = list.begin();
 289     const KFileItemList::const_iterator end = list.end();
 290     while (it != end) {
 291         const KFileItem& item = *it;
 292         if (item.isDir()) {
 293             ++folderCount;
 294         } else {
 295             ++fileCount;
 296             byteSize += item.size();
 297         }
 298         ++it;
 299     }
 300
 301     if (folderCount > 0) {
 302         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 303         if (fileCount > 0) {
 304             text += ", ";
 305         }
 306     }
 307
 308     if (fileCount > 0) {
 309         const QString sizeText(KIO::convertSize(byteSize));
 310         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 311     }
 312
 313     return text;
 314 }
 315
 316 void DolphinViewContainer::showFilterBar(bool show)
 317 {
 318     Q_ASSERT(m_filterBar != 0);
 319     m_filterBar->setVisible(show);
 320 }
 321
 322 void DolphinViewContainer::updateStatusBar()
 323 {
 324     // As the item count information is less important
 325     // in comparison with other messages, it should only
 326     // be shown if:
 327     // - the status bar is empty or
 328     // - shows already the item count information or
 329     // - shows only a not very important information
 330     // - if any progress is given don't show the item count info at all
 331     const QString msg(m_statusBar->message());
 332     const bool updateStatusBarMsg = (msg.isEmpty() ||
 333                                      (msg == m_statusBar->defaultText()) ||
 334                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 335                                     (m_statusBar->progress() == 100);
 336
 337     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 338     m_statusBar->setDefaultText(text);
 339
 340     if (updateStatusBarMsg) {
 341         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 342     }
 343 }
 344
 345 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 346 {
 347     m_view->setNameFilter(nameFilter);
 348     updateStatusBar();
 349 }
 350
 351 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 352                                            const KUrl& url)
 353 {
 354     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 355     contextMenu.open();
 356 }
 357
 358 void DolphinViewContainer::saveContentsPos(int x, int y)
 359 {
 360     m_urlNavigator->savePosition(x, y);
 361 }
 362
 363 void DolphinViewContainer::restoreContentsPos()
 364 {
 365     if (!url().isEmpty()) {
 366         const QPoint pos = m_urlNavigator->savedPosition();
 367         m_view->setContentsPosition(pos.x(), pos.y());
 368     }
 369 }
 370
 371 void DolphinViewContainer::activate()
 372 {
 373     setActive(true);
 374 }
 375
 376 void DolphinViewContainer::restoreView(const KUrl& url)
 377 {
 378     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 379 }
 380
 381 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 382 {
 383     Q_UNUSED(url);
 384     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 385 }
 386
 387 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 388 {
 389     KUrl url = item.targetUrl();
 390
 391     if (item.isDir()) {
 392         m_view->setUrl(url);
 393         return;
 394     }
 395
 396     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 397     const bool browseThroughArchives = settings->browseThroughArchives();
 398     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 399         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 400         // zip:/<path>/ when clicking on a zip file, etc.
 401         // The .protocol file specifies the mimetype that the kioslave handles.
 402         // Note that we don't use mimetype inheritance since we don't want to
 403         // open OpenDocument files as zip folders...
 404         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 405         if (!protocol.isEmpty()) {
 406             url.setProtocol(protocol);
 407             m_view->setUrl(url);
 408             return;
 409         }
 410     }
 411
 412     item.run();
 413 }
 414
 415 #include "dolphinviewcontainer.moc"