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 "dolphinstatusbar.h"
  50 #include "dolphinmainwindow.h"
  51 #include "dolphindirlister.h"
  52 #include "dolphinsortfilterproxymodel.h"
  53 #include "dolphindetailsview.h"
  54 #include "dolphiniconsview.h"
  55 #include "dolphincontextmenu.h"
  56 #include "draganddrophelper.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     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 144             this, SLOT(redirect(KUrl, KUrl)));
 145
 146     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 147             this, SLOT(restoreView(const KUrl&)));
 148
 149     m_statusBar = new DolphinStatusBar(this, m_view);
 150
 151     m_filterBar = new FilterBar(this);
 152     m_filterBar->setVisible(settings->filterBar());
 153     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 154             this, SLOT(setNameFilter(const QString&)));
 155     connect(m_filterBar, SIGNAL(closeRequest()),
 156             this, SLOT(closeFilterBar()));
 157
 158     m_topLayout->addWidget(m_urlNavigator);
 159     m_topLayout->addWidget(m_view);
 160     m_topLayout->addWidget(m_filterBar);
 161     m_topLayout->addWidget(m_statusBar);
 162 }
 163
 164 DolphinViewContainer::~DolphinViewContainer()
 165 {
 166     m_dirLister->disconnect();
 167
 168     delete m_proxyModel;
 169     m_proxyModel = 0;
 170     delete m_dolphinModel;
 171     m_dolphinModel = 0;
 172     m_dirLister = 0; // deleted by m_dolphinModel
 173 }
 174
 175 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 176 {
 177     m_urlNavigator->setUrl(newUrl);
 178
 179     // Temporary disable the 'File'->'Create New...' menu until
 180     // the write permissions can be checked in a fast way at
 181     // DolphinViewContainer::slotDirListerCompleted().
 182     m_mainWindow->newMenu()->menu()->setEnabled(false);
 183 }
 184
 185 const KUrl& DolphinViewContainer::url() const
 186 {
 187     return m_urlNavigator->url();
 188 }
 189
 190 void DolphinViewContainer::setActive(bool active)
 191 {
 192     m_urlNavigator->setActive(active);
 193     m_view->setActive(active);
 194 }
 195
 196 bool DolphinViewContainer::isActive() const
 197 {
 198     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 199     return m_view->isActive();
 200 }
 201
 202 void DolphinViewContainer::refresh()
 203 {
 204     m_view->refresh();
 205     m_statusBar->refresh();
 206 }
 207
 208 bool DolphinViewContainer::isFilterBarVisible() const
 209 {
 210     return m_filterBar->isVisible();
 211 }
 212
 213 bool DolphinViewContainer::isUrlEditable() const
 214 {
 215     return m_urlNavigator->isUrlEditable();
 216 }
 217
 218 void DolphinViewContainer::updateProgress(int percent)
 219 {
 220     if (!m_showProgress) {
 221         // Only show the directory loading progress if the status bar does
 222         // not contain another progress information. This means that
 223         // the directory loading progress information has the lowest priority.
 224         const QString progressText(m_statusBar->progressText());
 225         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 226         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 227         if (m_showProgress) {
 228             m_statusBar->setProgressText(loadingText);
 229             m_statusBar->setProgress(0);
 230         }
 231     }
 232
 233     if (m_showProgress) {
 234         m_statusBar->setProgress(percent);
 235     }
 236 }
 237
 238 void DolphinViewContainer::slotDirListerCompleted()
 239 {
 240     if (m_showProgress) {
 241         m_statusBar->setProgressText(QString());
 242         m_statusBar->setProgress(100);
 243         m_showProgress = false;
 244     }
 245
 246     updateStatusBar();
 247     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 248
 249     // Enable the 'File'->'Create New...' menu only if the directory
 250     // supports writing.
 251     KMenu* createNew = m_mainWindow->newMenu()->menu();
 252     KFileItem item = m_dirLister->rootItem();
 253     if (item.isNull()) {
 254         // it is unclear whether writing is supported
 255         createNew->setEnabled(true);
 256     } else {
 257         KonqFileItemCapabilities capabilities(KFileItemList() << item);
 258         createNew->setEnabled(capabilities.supportsWriting());
 259     }
 260 }
 261
 262 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 263 {
 264     if (item.isNull()) {
 265         m_statusBar->clear();
 266     } else {
 267         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 268     }
 269 }
 270
 271 void DolphinViewContainer::showInfoMessage(const QString& msg)
 272 {
 273     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 274 }
 275
 276 void DolphinViewContainer::showErrorMessage(const QString& msg)
 277 {
 278     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 279 }
 280
 281 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
 282 {
 283     m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
 284 }
 285
 286 void DolphinViewContainer::closeFilterBar()
 287 {
 288     m_filterBar->hide();
 289     m_filterBar->clear();
 290     emit showFilterBarChanged(false);
 291 }
 292
 293 void DolphinViewContainer::showFilterBar(bool show)
 294 {
 295     Q_ASSERT(m_filterBar != 0);
 296     m_filterBar->setVisible(show);
 297 }
 298
 299 void DolphinViewContainer::updateStatusBar()
 300 {
 301     // As the item count information is less important
 302     // in comparison with other messages, it should only
 303     // be shown if:
 304     // - the status bar is empty or
 305     // - shows already the item count information or
 306     // - shows only a not very important information
 307     // - if any progress is given don't show the item count info at all
 308     const QString msg(m_statusBar->message());
 309     const bool updateStatusBarMsg = (msg.isEmpty() ||
 310                                      (msg == m_statusBar->defaultText()) ||
 311                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 312                                     (m_statusBar->progress() == 100);
 313
 314     const QString text(m_view->statusBarText());
 315     m_statusBar->setDefaultText(text);
 316
 317     if (updateStatusBarMsg) {
 318         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 319     }
 320 }
 321
 322 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 323 {
 324     m_view->setNameFilter(nameFilter);
 325     updateStatusBar();
 326 }
 327
 328 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 329                                            const KUrl& url)
 330 {
 331     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 332     contextMenu.open();
 333 }
 334
 335 void DolphinViewContainer::saveContentsPos(int x, int y)
 336 {
 337     m_urlNavigator->savePosition(x, y);
 338 }
 339
 340 void DolphinViewContainer::restoreContentsPos()
 341 {
 342     if (!url().isEmpty()) {
 343         const QPoint pos = m_urlNavigator->savedPosition();
 344         m_view->setContentsPosition(pos.x(), pos.y());
 345     }
 346 }
 347
 348 void DolphinViewContainer::activate()
 349 {
 350     setActive(true);
 351 }
 352
 353 void DolphinViewContainer::restoreView(const KUrl& url)
 354 {
 355     if (KProtocolManager::supportsListing(url)) {
 356         m_view->updateView(url, m_urlNavigator->savedRootUrl());
 357     } else {
 358         // The URL navigator only checks for validity, not
 359         // if the URL can be listed.
 360         showErrorMessage(i18nc("@info:status", "Protocol not supported"));
 361     }
 362 }
 363
 364 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 365 {
 366     Q_UNUSED(url);
 367     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 368 }
 369
 370 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 371 {
 372     DragAndDropHelper::dropUrls(KFileItem(), destination, event, this);
 373 }
 374
 375 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
 376 {
 377     Q_UNUSED(oldUrl);
 378     const bool block = m_urlNavigator->signalsBlocked();
 379     m_urlNavigator->blockSignals(true);
 380     m_urlNavigator->setUrl(newUrl);
 381     m_urlNavigator->blockSignals(block);
 382 }
 383
 384 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 385 {
 386     KUrl url = item.targetUrl();
 387
 388     if (item.isDir()) {
 389         m_view->setUrl(url);
 390         return;
 391     }
 392
 393     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 394     const bool browseThroughArchives = settings->browseThroughArchives();
 395     if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
 396         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 397         // zip:/<path>/ when clicking on a zip file, etc.
 398         // The .protocol file specifies the mimetype that the kioslave handles.
 399         // Note that we don't use mimetype inheritance since we don't want to
 400         // open OpenDocument files as zip folders...
 401         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 402         if (!protocol.isEmpty()) {
 403             url.setProtocol(protocol);
 404             m_view->setUrl(url);
 405             return;
 406         }
 407     }
 408
 409     item.run();
 410 }
 411
 412 #include "dolphinviewcontainer.moc"