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