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 <kmenu.h>
  39 #include <kmimetyperesolver.h>
  40 #include <knewmenu.h>
  41 #include <konqmimedata.h>
  42 #include <konq_fileitemcapabilities.h>
  43 #include <konq_operations.h>
  44 #include <kurl.h>
  45
  46 #include "dolphinmodel.h"
  47 #include "dolphincolumnview.h"
  48 #include "dolphincontroller.h"
  49 #include "dolphindropcontroller.h"
  50 #include "dolphinstatusbar.h"
  51 #include "dolphinmainwindow.h"
  52 #include "dolphindirlister.h"
  53 #include "dolphinsortfilterproxymodel.h"
  54 #include "dolphindetailsview.h"
  55 #include "dolphiniconsview.h"
  56 #include "dolphincontextmenu.h"
  57 #include "filterbar.h"
  58 #include "kurlnavigator.h"
  59 #include "viewproperties.h"
  60 #include "dolphinsettings.h"
  61 #include "dolphin_generalsettings.h"
  62
  63 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  64                                            QWidget* parent,
  65                                            const KUrl& url) :
  66     QWidget(parent),
  67     m_showProgress(false),
  68     m_mainWindow(mainWindow),
  69     m_topLayout(0),
  70     m_urlNavigator(0),
  71     m_view(0),
  72     m_filterBar(0),
  73     m_statusBar(0),
  74     m_dirLister(0),
  75     m_proxyModel(0)
  76 {
  77     hide();
  78
  79     m_topLayout = new QVBoxLayout(this);
  80     m_topLayout->setSpacing(0);
  81     m_topLayout->setMargin(0);
  82
  83     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  84     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl&, QDropEvent*)),
  85             this, SLOT(dropUrls(const KUrl&, QDropEvent*)));
  86     connect(m_urlNavigator, SIGNAL(activated()),
  87             this, SLOT(activate()));
  88
  89     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  90     m_urlNavigator->setUrlEditable(settings->editableUrl());
  91     m_urlNavigator->setShowFullPath(settings->showFullPath());
  92     m_urlNavigator->setHomeUrl(settings->homeUrl());
  93
  94     m_dirLister = new DolphinDirLister();
  95     m_dirLister->setAutoUpdate(true);
  96     m_dirLister->setMainWindow(window());
  97     m_dirLister->setDelayedMimeTypes(true);
  98
  99     m_dolphinModel = new DolphinModel(this);
 100     m_dolphinModel->setDirLister(m_dirLister);
 101     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 102
 103     m_proxyModel = new DolphinSortFilterProxyModel(this);
 104     m_proxyModel->setSourceModel(m_dolphinModel);
 105     m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 106
 107     connect(m_dirLister, SIGNAL(clear()),
 108             this, SLOT(updateStatusBar()));
 109     connect(m_dirLister, SIGNAL(percent(int)),
 110             this, SLOT(updateProgress(int)));
 111     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 112             this, SLOT(updateStatusBar()));
 113     connect(m_dirLister, SIGNAL(completed()),
 114             this, SLOT(slotDirListerCompleted()));
 115     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 116             this, SLOT(showInfoMessage(const QString&)));
 117     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 118             this, SLOT(showErrorMessage(const QString&)));
 119
 120     m_view = new DolphinView(this,
 121                              url,
 122                              m_dirLister,
 123                              m_dolphinModel,
 124                              m_proxyModel);
 125     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 126             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 127     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 128             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 129     connect(m_view, SIGNAL(contentsMoved(int, int)),
 130             this, SLOT(saveContentsPos(int, int)));
 131     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 132             this, SLOT(showItemInfo(KFileItem)));
 133     connect(m_view, SIGNAL(errorMessage(const QString&)),
 134             this, SLOT(showErrorMessage(const QString&)));
 135     connect(m_view, SIGNAL(infoMessage(const QString&)),
 136             this, SLOT(showInfoMessage(const QString&)));
 137     connect(m_view, SIGNAL(operationCompletedMessage(const QString&)),
 138             this, SLOT(showOperationCompletedMessage(const QString&)));
 139     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 140             this, SLOT(slotItemTriggered(KFileItem)));
 141     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 142             this, SLOT(saveRootUrl(const KUrl&)));
 143
 144     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 145             this, SLOT(restoreView(const KUrl&)));
 146
 147     m_statusBar = new DolphinStatusBar(this, m_view);
 148
 149     m_filterBar = new FilterBar(this);
 150     m_filterBar->setVisible(settings->filterBar());
 151     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 152             this, SLOT(setNameFilter(const QString&)));
 153     connect(m_filterBar, SIGNAL(closeRequest()),
 154             this, SLOT(closeFilterBar()));
 155
 156     m_topLayout->addWidget(m_urlNavigator);
 157     m_topLayout->addWidget(m_view);
 158     m_topLayout->addWidget(m_filterBar);
 159     m_topLayout->addWidget(m_statusBar);
 160 }
 161
 162 DolphinViewContainer::~DolphinViewContainer()
 163 {
 164     m_dirLister->disconnect();
 165
 166     delete m_proxyModel;
 167     m_proxyModel = 0;
 168     delete m_dolphinModel;
 169     m_dolphinModel = 0;
 170     m_dirLister = 0; // deleted by m_dolphinModel
 171 }
 172
 173 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 174 {
 175     m_urlNavigator->setUrl(newUrl);
 176
 177     // Temporary disable the 'File'->'Create New...' menu until
 178     // the write permissions can be checked in a fast way at
 179     // DolphinViewContainer::slotDirListerCompleted().
 180     m_mainWindow->newMenu()->menu()->setEnabled(false);
 181 }
 182
 183 const KUrl& DolphinViewContainer::url() const
 184 {
 185     return m_urlNavigator->url();
 186 }
 187
 188 void DolphinViewContainer::setActive(bool active)
 189 {
 190     m_urlNavigator->setActive(active);
 191     m_view->setActive(active);
 192 }
 193
 194 bool DolphinViewContainer::isActive() const
 195 {
 196     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 197     return m_view->isActive();
 198 }
 199
 200 bool DolphinViewContainer::isFilterBarVisible() const
 201 {
 202     return m_filterBar->isVisible();
 203 }
 204
 205 bool DolphinViewContainer::isUrlEditable() const
 206 {
 207     return m_urlNavigator->isUrlEditable();
 208 }
 209
 210 void DolphinViewContainer::updateProgress(int percent)
 211 {
 212     if (!m_showProgress) {
 213         // Only show the directory loading progress if the status bar does
 214         // not contain another progress information. This means that
 215         // the directory loading progress information has the lowest priority.
 216         const QString progressText(m_statusBar->progressText());
 217         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 218         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 219         if (m_showProgress) {
 220             m_statusBar->setProgressText(loadingText);
 221             m_statusBar->setProgress(0);
 222         }
 223     }
 224
 225     if (m_showProgress) {
 226         m_statusBar->setProgress(percent);
 227     }
 228 }
 229
 230 void DolphinViewContainer::slotDirListerCompleted()
 231 {
 232     if (m_showProgress) {
 233         m_statusBar->setProgressText(QString());
 234         m_statusBar->setProgress(100);
 235         m_showProgress = false;
 236     }
 237
 238     updateStatusBar();
 239     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 240
 241     // Enable the 'File'->'Create New...' menu only if the directory
 242     // supports writing.
 243     KMenu* createNew = m_mainWindow->newMenu()->menu();
 244     KFileItem item = m_dirLister->rootItem();
 245     if (item.isNull()) {
 246         // it is unclear whether writing is supported
 247         createNew->setEnabled(true);
 248     } else {
 249         KonqFileItemCapabilities capabilities(KFileItemList() << item);
 250         createNew->setEnabled(capabilities.supportsWriting());
 251     }
 252 }
 253
 254 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 255 {
 256     if (item.isNull()) {
 257         m_statusBar->clear();
 258     } else {
 259         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 260     }
 261 }
 262
 263 void DolphinViewContainer::showInfoMessage(const QString& msg)
 264 {
 265     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 266 }
 267
 268 void DolphinViewContainer::showErrorMessage(const QString& msg)
 269 {
 270     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 271 }
 272
 273 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 274 {
 275     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 276 }
 277
 278 void DolphinViewContainer::closeFilterBar()
 279 {
 280     m_filterBar->hide();
 281     m_filterBar->clear();
 282     emit showFilterBarChanged(false);
 283 }
 284
 285 void DolphinViewContainer::showFilterBar(bool show)
 286 {
 287     Q_ASSERT(m_filterBar != 0);
 288     m_filterBar->setVisible(show);
 289 }
 290
 291 void DolphinViewContainer::updateStatusBar()
 292 {
 293     // As the item count information is less important
 294     // in comparison with other messages, it should only
 295     // be shown if:
 296     // - the status bar is empty or
 297     // - shows already the item count information or
 298     // - shows only a not very important information
 299     // - if any progress is given don't show the item count info at all
 300     const QString msg(m_statusBar->message());
 301     const bool updateStatusBarMsg = (msg.isEmpty() ||
 302                                      (msg == m_statusBar->defaultText()) ||
 303                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 304                                     (m_statusBar->progress() == 100);
 305
 306     const QString text(m_view->statusBarText());
 307     m_statusBar->setDefaultText(text);
 308
 309     if (updateStatusBarMsg) {
 310         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 311     }
 312 }
 313
 314 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 315 {
 316     m_view->setNameFilter(nameFilter);
 317     updateStatusBar();
 318 }
 319
 320 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 321                                            const KUrl& url)
 322 {
 323     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 324     contextMenu.open();
 325 }
 326
 327 void DolphinViewContainer::saveContentsPos(int x, int y)
 328 {
 329     m_urlNavigator->savePosition(x, y);
 330 }
 331
 332 void DolphinViewContainer::restoreContentsPos()
 333 {
 334     if (!url().isEmpty()) {
 335         const QPoint pos = m_urlNavigator->savedPosition();
 336         m_view->setContentsPosition(pos.x(), pos.y());
 337     }
 338 }
 339
 340 void DolphinViewContainer::activate()
 341 {
 342     setActive(true);
 343 }
 344
 345 void DolphinViewContainer::restoreView(const KUrl& url)
 346 {
 347     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 348 }
 349
 350 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 351 {
 352     Q_UNUSED(url);
 353     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 354 }
 355
 356 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 357 {
 358     DolphinDropController::dropUrls(KFileItem(), destination, event, this);
 359 }
 360
 361 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 362 {
 363     KUrl url = item.targetUrl();
 364
 365     if (item.isDir()) {
 366         m_view->setUrl(url);
 367         return;
 368     }
 369
 370     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 371     const bool browseThroughArchives = settings->browseThroughArchives();
 372     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 373         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 374         // zip:/<path>/ when clicking on a zip file, etc.
 375         // The .protocol file specifies the mimetype that the kioslave handles.
 376         // Note that we don't use mimetype inheritance since we don't want to
 377         // open OpenDocument files as zip folders...
 378         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 379         if (!protocol.isEmpty()) {
 380             url.setProtocol(protocol);
 381             m_view->setUrl(url);
 382             return;
 383         }
 384     }
 385
 386     item.run();
 387 }
 388
 389 #include "dolphinviewcontainer.moc"