src/dolphinpart.cpp

   1 /* This file is part of the KDE project
   2    Copyright (c) 2007 David Faure <faure@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This library 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 GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "dolphinpart.h"
  21 #include "dolphinviewactionhandler.h"
  22 #include "dolphinsortfilterproxymodel.h"
  23 #include "dolphinview.h"
  24 #include "dolphinmodel.h"
  25
  26 #include <konq_operations.h>
  27
  28 #include <kaboutdata.h>
  29 #include <kactioncollection.h>
  30 #include <kconfiggroup.h>
  31 #include <kdebug.h>
  32 #include <kdirlister.h>
  33 #include <kglobalsettings.h>
  34 #include <kiconloader.h>
  35 #include <klocale.h>
  36 #include <kmessagebox.h>
  37 #include <kpluginfactory.h>
  38 #include <kpropertiesdialog.h>
  39 #include <ktoggleaction.h>
  40
  41 #include <QActionGroup>
  42 #include <QApplication>
  43 #include <QClipboard>
  44
  45 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  46 // The componentdata name must be dolphinpart so that dolphinpart.rc is found
  47 // Alternatively we would have to install it as dolphin/dolphinpart.rc
  48 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart"))
  49
  50 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  51     : KParts::ReadOnlyPart(parent)
  52 {
  53     Q_UNUSED(args)
  54     setComponentData(DolphinPartFactory::componentData(), false);
  55     m_extension = new DolphinPartBrowserExtension(this);
  56
  57     // make sure that other apps using this part find Dolphin's view-file-columns icons
  58     KIconLoader::global()->addAppDir("dolphin");
  59
  60     m_dirLister = new KDirLister;
  61     m_dirLister->setAutoUpdate(true);
  62     m_dirLister->setMainWindow(parentWidget->window());
  63     m_dirLister->setDelayedMimeTypes(true);
  64
  65     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  66     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  67     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  68
  69     m_dolphinModel = new DolphinModel(this);
  70     m_dolphinModel->setDirLister(m_dirLister);
  71
  72     m_proxyModel = new DolphinSortFilterProxyModel(this);
  73     m_proxyModel->setSourceModel(m_dolphinModel);
  74
  75     m_view = new DolphinView(parentWidget,
  76                              KUrl(),
  77                              m_dirLister,
  78                              m_dolphinModel,
  79                              m_proxyModel);
  80     m_view->setTabsForFilesEnabled(true);
  81     setWidget(m_view);
  82
  83     setXMLFile("dolphinpart.rc");
  84
  85     connect(m_view, SIGNAL(infoMessage(QString)),
  86             this, SLOT(slotInfoMessage(QString)));
  87     connect(m_view, SIGNAL(errorMessage(QString)),
  88             this, SLOT(slotErrorMessage(QString)));
  89     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  90             this, SLOT(slotItemTriggered(KFileItem)));
  91     connect(m_view, SIGNAL(tabRequested(KUrl)),
  92             this, SLOT(createNewWindow(KUrl)));
  93     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  94             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  95     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  96             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  97     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  98             this, SLOT(slotSelectionChanged(KFileItemList)));
  99     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 100             this, SLOT(slotRequestItemInfo(KFileItem)));
 101     connect(m_view, SIGNAL(urlChanged(KUrl)),
 102             this, SLOT(slotUrlChanged(KUrl)));
 103     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 104             this, SLOT(slotRequestUrlChange(KUrl)));
 105     connect(m_view, SIGNAL(modeChanged()),
 106             this, SIGNAL(viewModeChanged())); // relay signal
 107
 108     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 109     m_actionHandler->setCurrentView(m_view);
 110
 111     QClipboard* clipboard = QApplication::clipboard();
 112     connect(clipboard, SIGNAL(dataChanged()),
 113             this, SLOT(updatePasteAction()));
 114
 115     createActions();
 116     m_actionHandler->updateViewActions();
 117     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 118
 119     // TODO sort_by_* actions
 120
 121     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 122     // (sort of spacial navigation)
 123
 124     loadPlugins(this, this, componentData());
 125 }
 126
 127 DolphinPart::~DolphinPart()
 128 {
 129     delete m_dirLister;
 130 }
 131
 132 void DolphinPart::createActions()
 133 {
 134     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 135     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 136     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 137
 138     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 139     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 140     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 141     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 142
 143     // View menu: all done by DolphinViewActionHandler
 144
 145     // Go menu
 146
 147     QActionGroup* goActionGroup = new QActionGroup(this);
 148     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 149             this, SLOT(slotGoTriggered(QAction*)));
 150
 151     createGoAction("go_applications", "start-here-kde",
 152                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 153                    goActionGroup);
 154     createGoAction("go_network_folders", "folder-remote",
 155                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 156                    goActionGroup);
 157     createGoAction("go_settings", "preferences-system",
 158                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 159                    goActionGroup);
 160     createGoAction("go_trash", "user-trash",
 161                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 162                    goActionGroup);
 163     createGoAction("go_autostart", "",
 164                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 165                    goActionGroup);
 166 }
 167
 168 void DolphinPart::createGoAction(const char* name, const char* iconName,
 169                                  const QString& text, const QString& url,
 170                                  QActionGroup* actionGroup)
 171 {
 172     KAction* action = actionCollection()->addAction(name);
 173     action->setIcon(KIcon(iconName));
 174     action->setText(text);
 175     action->setData(url);
 176     action->setActionGroup(actionGroup);
 177 }
 178
 179 void DolphinPart::slotGoTriggered(QAction* action)
 180 {
 181     const QString url = action->data().toString();
 182     emit m_extension->openUrlRequest(KUrl(url));
 183 }
 184
 185 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 186 {
 187     const bool hasSelection = !selection.isEmpty();
 188     if (!hasSelection) {
 189         stateChanged("has_no_selection");
 190     } else {
 191         stateChanged("has_selection");
 192     }
 193
 194     QStringList actions;
 195     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 196     foreach(const QString& actionName, actions) {
 197         QAction* action = actionCollection()->action(actionName);
 198         Q_ASSERT(action);
 199         if (action) {
 200             action->setEnabled(hasSelection);
 201         }
 202     }
 203
 204     emit m_extension->enableAction("cut", hasSelection);
 205     emit m_extension->enableAction("copy", hasSelection);
 206 }
 207
 208 void DolphinPart::updatePasteAction()
 209 {
 210     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 211     emit m_extension->enableAction( "paste", pasteInfo.first );
 212     emit m_extension->setActionText( "paste", pasteInfo.second );
 213 }
 214
 215 KAboutData* DolphinPart::createAboutData()
 216 {
 217     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 218 }
 219
 220 bool DolphinPart::openUrl(const KUrl& url)
 221 {
 222     bool reload = arguments().reload();
 223     // A bit of a workaround so that changing the namefilter works: force reload.
 224     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 225     if (m_nameFilter != m_dirLister->nameFilter())
 226         reload = true;
 227     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 228         return true;
 229     }
 230     setUrl(url); // remember it at the KParts level
 231     KUrl visibleUrl(url);
 232     if (!m_nameFilter.isEmpty()) {
 233         visibleUrl.addPath(m_nameFilter);
 234     }
 235     QString prettyUrl = visibleUrl.pathOrUrl();
 236     emit setWindowCaption(prettyUrl);
 237     emit m_extension->setLocationBarUrl(prettyUrl);
 238     emit started(0); // get the wheel to spin
 239     m_dirLister->setNameFilter(m_nameFilter);
 240     m_view->setUrl(url);
 241     emit aboutToOpenURL();
 242     if (reload)
 243         m_view->reload();
 244     return true;
 245 }
 246
 247 void DolphinPart::slotCompleted(const KUrl& url)
 248 {
 249     Q_UNUSED(url)
 250     emit completed();
 251 }
 252
 253 void DolphinPart::slotCanceled(const KUrl& url)
 254 {
 255     slotCompleted(url);
 256 }
 257
 258 void DolphinPart::slotInfoMessage(const QString& msg)
 259 {
 260     emit setStatusBarText(msg);
 261 }
 262
 263 void DolphinPart::slotErrorMessage(const QString& msg)
 264 {
 265     KMessageBox::error(m_view, msg);
 266 }
 267
 268 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 269 {
 270     emit m_extension->mouseOverInfo(item);
 271 }
 272
 273 void DolphinPart::slotItemTriggered(const KFileItem& item)
 274 {
 275     KParts::OpenUrlArguments args;
 276     args.setMimeType(item.mimetype());
 277
 278     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 279     // since the idea was not to need BrowserArguments for non-browser stuff...
 280     KParts::BrowserArguments browserArgs;
 281     browserArgs.trustedSource = true;
 282     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 283 }
 284
 285 void DolphinPart::createNewWindow(const KUrl& url)
 286 {
 287     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 288     // should be moved into DolphinPart::slotItemTriggered()
 289     KFileItem item(S_IFDIR, (mode_t)-1, url);
 290     KParts::OpenUrlArguments args;
 291     args.setMimeType(item.mimetype());
 292     emit m_extension->createNewWindow(url, args);
 293 }
 294
 295 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 296 {
 297     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 298                                                       | KParts::BrowserExtension::ShowProperties
 299                                                       | KParts::BrowserExtension::ShowUrlOperations;
 300     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 301     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 302
 303     KFileItem item(_item);
 304
 305     if (item.isNull()) { // viewport context menu
 306         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 307         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 308         // and use this as fallback:
 309         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 310     }
 311
 312     KParts::BrowserExtension::ActionGroupMap actionGroups;
 313     QList<QAction *> editActions;
 314
 315     if (!_item.isNull()) { // only for context menu on one or more items
 316         // TODO if ( sMoving )
 317         editActions.append(actionCollection()->action("rename"));
 318
 319         bool addTrash = false;
 320         bool addDel = false;
 321
 322         bool isIntoTrash = _item.url().protocol() == "trash";
 323
 324         if ( /*TODO sMoving &&*/ !isIntoTrash )
 325             addTrash = true;
 326
 327         /* TODO if ( sDeleting ) */ {
 328             if ( !item.isLocalFile() )
 329                 addDel = true;
 330             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 331                 addTrash = false;
 332                 addDel = true;
 333             }
 334             else {
 335                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 336                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 337                     addDel = true;
 338             }
 339         }
 340
 341         if (addTrash)
 342             editActions.append(actionCollection()->action("move_to_trash"));
 343         if (addDel)
 344             editActions.append(actionCollection()->action("delete"));
 345         actionGroups.insert("editactions", editActions);
 346     }
 347
 348     // TODO: We should change the signature of the slots (and signals) for being able
 349     //       to tell for which items we want a popup.
 350     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 351                            : KFileItemList() << item);
 352     emit m_extension->popupMenu(QCursor::pos(),
 353                                 items,
 354                                 KParts::OpenUrlArguments(),
 355                                 KParts::BrowserArguments(),
 356                                 popupFlags,
 357                                 actionGroups);
 358 }
 359
 360 void DolphinPart::slotUrlChanged(const KUrl& url)
 361 {
 362     QString prettyUrl = url.pathOrUrl();
 363     emit m_extension->setLocationBarUrl(prettyUrl);
 364 }
 365
 366 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 367 {
 368     if (m_view->url() != url) {
 369         // If the view URL is not equal to 'url', then an inner URL change has
 370         // been done (e. g. by activating an existing column in the column view).
 371         openUrl(url);
 372         emit m_extension->openUrlNotify();
 373     }
 374 }
 375
 376 ////
 377
 378 void DolphinPartBrowserExtension::cut()
 379 {
 380     m_part->view()->cutSelectedItems();
 381 }
 382
 383 void DolphinPartBrowserExtension::copy()
 384 {
 385     m_part->view()->copySelectedItems();
 386 }
 387
 388 void DolphinPartBrowserExtension::paste()
 389 {
 390     m_part->view()->paste();
 391 }
 392
 393 void DolphinPartBrowserExtension::reparseConfiguration()
 394 {
 395     m_part->view()->refresh();
 396 }
 397
 398 ////
 399
 400 void DolphinPart::slotEditMimeType()
 401 {
 402     const KFileItemList items = m_view->selectedItems();
 403     if (!items.isEmpty()) {
 404         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 405     }
 406 }
 407
 408 void DolphinPart::slotProperties()
 409 {
 410     const KFileItemList items = m_view->selectedItems();
 411     if (!items.isEmpty()) {
 412         KPropertiesDialog dialog(items.first().url(), m_view);
 413         dialog.exec();
 414     }
 415 }
 416
 417 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 418 {
 419     QAction* action = actionCollection()->action(viewModeName);
 420     Q_ASSERT(action);
 421     action->trigger();
 422 }
 423
 424 QString DolphinPart::currentViewMode() const
 425 {
 426     return m_actionHandler->currentViewModeActionName();
 427 }
 428
 429 void DolphinPart::setNameFilter(const QString& nameFilter)
 430 {
 431     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 432     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 433     m_nameFilter = nameFilter;
 434     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 435 }
 436
 437 #include "dolphinpart.moc"