File indexing completed on 2024-04-21 15:42:57

 /***************************************************************************
     The network neighborhood browser dock widget 
                              -------------------
     begin                : Sat Apr 28 2018
     copyright            : (C) 2018-2019 by Alexander Reinholdt
     email                : alexander.reinholdt@kdemail.net
  ***************************************************************************/
 
 /***************************************************************************
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful, but   *
  *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
  *   General Public License for more details.                              *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston,*
  *   MA 02110-1335, USA                                                    *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
 
 // application specific includes
 #include "smb4knetworkbrowserdockwidget.h"
 #include "smb4knetworkbrowseritem.h"
 #include "core/smb4kmounter.h"
 #include "core/smb4kworkgroup.h"
 #include "core/smb4khost.h"
 #include "core/smb4kshare.h"
 #include "core/smb4ksettings.h"
 #include "core/smb4kbookmarkhandler.h"
 #include "core/smb4kwalletmanager.h"
 #include "core/smb4kcustomoptionsmanager.h"
 #include "core/smb4kclient.h"
 
 // Qt includes
 #include <QApplication>
 #include <QMenu>
 #include <QHeaderView>
 #include <QVBoxLayout>
 #include <QTreeWidgetItemIterator>
 
 // KDE includes
 #include <KWidgetsAddons/KDualAction>
 #include <KWidgetsAddons/KGuiItem>
 #include <KI18n/KLocalizedString>
 #include <KIconThemes/KIconLoader>
 
 using namespace Smb4KGlobal;
 
 
 Smb4KNetworkBrowserDockWidget::Smb4KNetworkBrowserDockWidget(const QString& title, QWidget* parent)
 : QDockWidget(title, parent)
 {
   //
   // The network browser widget
   // 
   QWidget *mainWidget = new QWidget(this);
   QVBoxLayout *mainWidgetLayout = new QVBoxLayout(mainWidget);
   mainWidgetLayout->setMargin(0);
   mainWidgetLayout->setSpacing(5);
   
   m_networkBrowser = new Smb4KNetworkBrowser(mainWidget);
   m_searchToolBar = new Smb4KNetworkSearchToolBar(mainWidget);
   m_searchToolBar->setVisible(false);
   
   mainWidgetLayout->addWidget(m_networkBrowser);
   mainWidgetLayout->addWidget(m_searchToolBar);
   
   setWidget(mainWidget);
   
   //
   // The action collection
   // 
   m_actionCollection = new KActionCollection(this);
   
   //
   // The context menu
   // 
   m_contextMenu = new KActionMenu(this);
   
   //
   // Search underway?
   // 
   m_searchRunning = false;
   
   //
   // Set up the actions
   //
   setupActions();
 
   //
   // Load the settings
   // 
   loadSettings();
   
   //
   // Connections
   // 
   connect(m_networkBrowser, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(slotContextMenuRequested(QPoint)));
   connect(m_networkBrowser, SIGNAL(itemActivated(QTreeWidgetItem*,int)), this, SLOT(slotItemActivated(QTreeWidgetItem*,int)));
   connect(m_networkBrowser, SIGNAL(itemSelectionChanged()), this, SLOT(slotItemSelectionChanged()));
   
   connect(m_searchToolBar, SIGNAL(close()), this, SLOT(slotHideSearchToolBar()));
   connect(m_searchToolBar, SIGNAL(search(QString)), this, SLOT(slotPerformSearch(QString)));
   connect(m_searchToolBar, SIGNAL(abort()), this, SLOT(slotStopSearch()));
   connect(m_searchToolBar, SIGNAL(jumpToResult(QString)), this, SLOT(slotJumpToResult(QString)));
   connect(m_searchToolBar, SIGNAL(clearSearchResults()), this, SLOT(slotClearSearchResults()));
   
   connect(Smb4KClient::self(), SIGNAL(aboutToStart(NetworkItemPtr,int)), this, SLOT(slotClientAboutToStart(NetworkItemPtr,int)));
   connect(Smb4KClient::self(), SIGNAL(finished(NetworkItemPtr,int)), this, SLOT(slotClientFinished(NetworkItemPtr,int)));
   connect(Smb4KClient::self(), SIGNAL(workgroups()), this, SLOT(slotWorkgroups()));
   connect(Smb4KClient::self(), SIGNAL(hosts(WorkgroupPtr)), this, SLOT(slotWorkgroupMembers(WorkgroupPtr)));
   connect(Smb4KClient::self(), SIGNAL(shares(HostPtr)), this, SLOT(slotShares(HostPtr)));
   connect(Smb4KClient::self(), SIGNAL(searchResults(QList<SharePtr>)), this, SLOT(slotSearchResults(QList<SharePtr>)));
 
   connect(Smb4KMounter::self(), SIGNAL(mounted(SharePtr)), this, SLOT(slotShareMounted(SharePtr)));
   connect(Smb4KMounter::self(), SIGNAL(unmounted(SharePtr)), this, SLOT(slotShareUnmounted(SharePtr)));
   connect(Smb4KMounter::self(), SIGNAL(aboutToStart(int)), this, SLOT(slotMounterAboutToStart(int)));
   connect(Smb4KMounter::self(), SIGNAL(finished(int)), this, SLOT(slotMounterFinished(int)));
   
   connect(KIconLoader::global(), SIGNAL(iconChanged(int)), this, SLOT(slotIconSizeChanged(int)));
 }
 
 
 Smb4KNetworkBrowserDockWidget::~Smb4KNetworkBrowserDockWidget()
 {
 }
 
 
 void Smb4KNetworkBrowserDockWidget::setupActions()
 {
   //
   // Rescan and abort dual action
   // 
   KDualAction *rescanAbortAction = new KDualAction(this);
   rescanAbortAction->setInactiveIcon(KDE::icon("view-refresh"));
   rescanAbortAction->setInactiveText(i18n("Scan Netwo&rk"));
   rescanAbortAction->setActiveIcon(KDE::icon("process-stop"));
   rescanAbortAction->setActiveText(i18n("&Abort"));
   rescanAbortAction->setAutoToggle(false);
   rescanAbortAction->setEnabled(true);
 
   connect(rescanAbortAction, SIGNAL(triggered(bool)), this, SLOT(slotRescanAbortActionTriggered(bool)));
 
   m_actionCollection->addAction("rescan_abort_action", rescanAbortAction);
   m_actionCollection->setDefaultShortcut(rescanAbortAction, QKeySequence::Refresh);
   
   //
   // Search action
   // 
   QAction *searchAction = new QAction(KDE::icon("search"), i18n("&Search"), this);
   
   connect(searchAction, SIGNAL(triggered(bool)), this, SLOT(slotShowSearchToolBar()));
   
   m_actionCollection->addAction("search_action", searchAction);
   m_actionCollection->setDefaultShortcut(searchAction, QKeySequence::Find);
   
   //
   // Separator
   // 
   QAction *separator1 = new QAction(this);
   separator1->setSeparator(true);
   
   m_actionCollection->addAction("network_separator1", separator1);
   
   //
   // Bookmark action
   // 
   QAction *bookmarkAction = new QAction(KDE::icon("bookmark-new"), i18n("Add &Bookmark"), this);
   bookmarkAction->setEnabled(false);
   
   connect(bookmarkAction, SIGNAL(triggered(bool)), this, SLOT(slotAddBookmark(bool)));
   
   m_actionCollection->addAction("bookmark_action", bookmarkAction);
   m_actionCollection->setDefaultShortcut(bookmarkAction, QKeySequence(Qt::CTRL+Qt::Key_B));
   
   
   //
   // Mount dialog action
   // 
   QAction *manualAction = new QAction(KDE::icon("view-form", QStringList("emblem-mounted")), i18n("&Open Mount Dialog"), this);
   manualAction->setEnabled(true);
   
   connect(manualAction, SIGNAL(triggered(bool)), this, SLOT(slotMountManually(bool)));
   
   m_actionCollection->addAction("mount_manually_action", manualAction);
   m_actionCollection->setDefaultShortcut(manualAction, QKeySequence(Qt::CTRL+Qt::Key_O));
   
   //
   // Separator
   // 
   QAction *separator2 = new QAction(this);
   separator2->setSeparator(true);
   
   m_actionCollection->addAction("network_separator2", separator2);
 
   //
   // Authentication action
   // 
   QAction *authAction = new QAction(KDE::icon("dialog-password"), i18n("Au&thentication"), this);
   authAction->setEnabled(false);
   
   connect(authAction, SIGNAL(triggered(bool)), this, SLOT(slotAuthentication(bool)));
   
   m_actionCollection->addAction("authentication_action", authAction);
   m_actionCollection->setDefaultShortcut(authAction, QKeySequence(Qt::CTRL+Qt::Key_T));
 
   //
   // Custom options action
   // 
   QAction *customAction = new QAction(KDE::icon("preferences-system-network"), i18n("&Custom Options"), this);
   customAction->setEnabled(false);
   
   connect(customAction, SIGNAL(triggered(bool)), this, SLOT(slotCustomOptions(bool)));
   
   m_actionCollection->addAction("custom_action", customAction);
   m_actionCollection->setDefaultShortcut(customAction, QKeySequence(Qt::CTRL+Qt::Key_C));
 
   //
   // Preview action
   // 
   QAction *previewAction  = new QAction(KDE::icon("view-list-icons"), i18n("Pre&view"), this);
   previewAction->setEnabled(false);
   
   connect(previewAction, SIGNAL(triggered(bool)), this, SLOT(slotPreview(bool)));
   
   m_actionCollection->addAction("preview_action", previewAction);
   m_actionCollection->setDefaultShortcut(previewAction, QKeySequence(Qt::CTRL+Qt::Key_V));
 
   //
   // Print action
   // 
   QAction *printAction = new QAction(KDE::icon("printer"), i18n("&Print File"), this);
   printAction->setEnabled(false);
   
   connect(printAction, SIGNAL(triggered(bool)), this, SLOT(slotPrint(bool)));
   
   m_actionCollection->addAction("print_action", printAction);
   m_actionCollection->setDefaultShortcut(printAction, QKeySequence(Qt::CTRL+Qt::Key_P));
 
   //
   // Mount/unmount action
   // 
   KDualAction *mountAction = new KDualAction(this);
   KGuiItem mountItem(i18n("&Mount"), KDE::icon("media-mount"));
   KGuiItem unmountItem(i18n("&Unmount"), KDE::icon("media-eject"));
   mountAction->setActiveGuiItem(mountItem);
   mountAction->setInactiveGuiItem(unmountItem);
   mountAction->setActive(true);
   mountAction->setAutoToggle(false);
   mountAction->setEnabled(false);
   
   connect(mountAction, SIGNAL(triggered(bool)), this, SLOT(slotMountActionTriggered(bool)));
   connect(mountAction, SIGNAL(activeChanged(bool)), this, SLOT(slotMountActionChanged(bool)));
   
   m_actionCollection->addAction("mount_action", mountAction);
   m_actionCollection->setDefaultShortcut(mountAction, QKeySequence(Qt::CTRL+Qt::Key_M));
 
   // 
   // Plug the actions into the context menu
   //
   for (QAction *a : m_actionCollection->actions())
   {
     m_contextMenu->addAction(a);
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::loadSettings()
 {
   //
   // Load icon size
   // 
   int iconSize = KIconLoader::global()->currentSize(KIconLoader::Small);
   m_networkBrowser->setIconSize(QSize(iconSize, iconSize));
   
   // 
   // Show/hide columns
   // 
   m_networkBrowser->setColumnHidden(Smb4KNetworkBrowser::IP, !Smb4KSettings::showIPAddress());
   m_networkBrowser->setColumnHidden(Smb4KNetworkBrowser::Type, !Smb4KSettings::showType());
   m_networkBrowser->setColumnHidden(Smb4KNetworkBrowser::Comment, !Smb4KSettings::showComment());
 
   // 
   // Load and apply the positions of the columns
   // 
   KConfigGroup configGroup(Smb4KSettings::self()->config(), "NetworkBrowserPart");
 
   QMap<int, int> map;
   map.insert(configGroup.readEntry("ColumnPositionNetwork", (int)Smb4KNetworkBrowser::Network), Smb4KNetworkBrowser::Network);
   map.insert(configGroup.readEntry("ColumnPositionType", (int)Smb4KNetworkBrowser::Type), Smb4KNetworkBrowser::Type);
   map.insert(configGroup.readEntry("ColumnPositionIP", (int)Smb4KNetworkBrowser::IP), Smb4KNetworkBrowser::IP);
   map.insert(configGroup.readEntry("ColumnPositionComment", (int)Smb4KNetworkBrowser::Comment), Smb4KNetworkBrowser::Comment);
 
   QMap<int, int>::const_iterator it = map.constBegin();
 
   while (it != map.constEnd())
   {
     if (it.key() != m_networkBrowser->header()->visualIndex(it.value()))
     {
       m_networkBrowser->header()->moveSection(m_networkBrowser->header()->visualIndex(it.value()), it.key());
     }
 
     ++it;
   }
   
   //
   // Apply the completion strings to the search toolbar
   // 
   m_searchToolBar->setCompletionStrings(configGroup.readEntry("SearchItemCompletion", QStringList()));
 
   // 
   // Does anything has to be changed with the marked shares?
   // 
   for (const SharePtr &share : mountedSharesList())
   {
     // We do not need to use slotShareUnmounted() here, too,
     // because slotShareMounted() will take care of everything
     // we need here.
     slotShareMounted(share);
   }
   
   //
   // Adjust the actions, if needed
   // 
   slotItemSelectionChanged();
 }
 
 
 void Smb4KNetworkBrowserDockWidget::saveSettings()
 {
   // 
   // Save the position of the columns
   // 
   KConfigGroup configGroup(Smb4KSettings::self()->config(), "NetworkBrowserPart");
   configGroup.writeEntry("ColumnPositionNetwork", m_networkBrowser->header()->visualIndex(Smb4KNetworkBrowser::Network));
   configGroup.writeEntry("ColumnPositionType", m_networkBrowser->header()->visualIndex(Smb4KNetworkBrowser::Type));
   configGroup.writeEntry("ColumnPositionIP", m_networkBrowser->header()->visualIndex(Smb4KNetworkBrowser::IP));
   configGroup.writeEntry("ColumnPositionComment", m_networkBrowser->header()->visualIndex(Smb4KNetworkBrowser::Comment));
   
   //
   // Save the completion strings
   // 
   configGroup.writeEntry("SearchItemCompletion", m_searchToolBar->completionStrings());
 
   configGroup.sync();
 }
 
 
 KActionCollection *Smb4KNetworkBrowserDockWidget::actionCollection()
 {
   return m_actionCollection;
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotContextMenuRequested(const QPoint& pos)
 {
   m_contextMenu->menu()->popup(m_networkBrowser->viewport()->mapToGlobal(pos));
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotItemActivated(QTreeWidgetItem* item, int /*column*/)
 {
   //
   // Process the activated item
   // 
   if (QApplication::keyboardModifiers() == Qt::NoModifier && m_networkBrowser->selectedItems().size() == 1)
   {
     Smb4KNetworkBrowserItem *browserItem = static_cast<Smb4KNetworkBrowserItem *>(item);
 
     if (browserItem)
     {
       switch (browserItem->type())
       {
         case Workgroup:
         {
           if (browserItem->isExpanded())
           {
             Smb4KClient::self()->lookupDomainMembers(browserItem->workgroupItem());
           }
           break;
         }
         case Host:
         {
           if (browserItem->isExpanded())
           {
             Smb4KClient::self()->lookupShares(browserItem->hostItem());
           }
           break;
         }
         case Share:
         {
           if (!browserItem->shareItem()->isPrinter())
           {
             slotMountActionTriggered(false);  // boolean is ignored
           }
           else
           {
             slotPrint(false);  // boolean is ignored
           }
           break;
         }
         default:
         {
           break;
         }
       }
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotItemSelectionChanged()
 {
   //
   // Get the selected item
   // 
   QList<QTreeWidgetItem *> items = m_networkBrowser->selectedItems();
 
   //
   // Enable/disable and/or adjust the actions depending of the number 
   // of selected items and their type
   //   
   if (items.size() == 1)
   {
     Smb4KNetworkBrowserItem *browserItem = static_cast<Smb4KNetworkBrowserItem *>(items.first());
 
     if (browserItem)
     {
       switch (browserItem->type())
       {
         case Host:
         {
           //
           // Adjust the actions
           // 
           qobject_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"))->setInactiveText(i18n("Scan Compute&r"));
           m_actionCollection->action("bookmark_action")->setEnabled(false);
           m_actionCollection->action("authentication_action")->setEnabled(true);
           m_actionCollection->action("custom_action")->setEnabled(true);
           m_actionCollection->action("preview_action")->setEnabled(false);
           m_actionCollection->action("print_action")->setEnabled(false);
           static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(true);
           m_actionCollection->action("mount_action")->setEnabled(false);
           break;
         }
         case Share:
         {
           //
           // Adjust the actions
           // 
           qobject_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"))->setInactiveText(i18n("Scan Compute&r"));
           m_actionCollection->action("bookmark_action")->setEnabled(!browserItem->shareItem()->isPrinter());
           m_actionCollection->action("authentication_action")->setEnabled(true);
           m_actionCollection->action("custom_action")->setEnabled(!browserItem->shareItem()->isPrinter());
           m_actionCollection->action("preview_action")->setEnabled(!browserItem->shareItem()->isPrinter());
           m_actionCollection->action("print_action")->setEnabled(browserItem->shareItem()->isPrinter());
 
           if (!browserItem->shareItem()->isPrinter())
           {
             if (!browserItem->shareItem()->isMounted() || (browserItem->shareItem()->isMounted() && browserItem->shareItem()->isForeign()))
             {
               static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(true);
               m_actionCollection->action("mount_action")->setEnabled(true);
             }
             else if (browserItem->shareItem()->isMounted() && !browserItem->shareItem()->isForeign())
             {
               static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(false);
               m_actionCollection->action("mount_action")->setEnabled(true);
             }
             else
             {
               static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(true);
               m_actionCollection->action("mount_action")->setEnabled(false);
             }
           }
           else
           {
             static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(true);
             m_actionCollection->action("mount_action")->setEnabled(true);
           }
           break;
         }
         default:
         {
           //
           // Adjust the actions
           // 
           qobject_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"))->setInactiveText(i18n("Scan Wo&rkgroup"));
           m_actionCollection->action("bookmark_action")->setEnabled(false);
           m_actionCollection->action("authentication_action")->setEnabled(false);
           m_actionCollection->action("custom_action")->setEnabled(false);
           m_actionCollection->action("preview_action")->setEnabled(false);
           m_actionCollection->action("print_action")->setEnabled(false);
           static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(true);
           m_actionCollection->action("mount_action")->setEnabled(false);          
           break;
         }
       }
     }
   }
   else if (items.size() > 1)
   {
     //
     // In this case there are only shares selected, because all other items
     // are automatically deselected in extended selection mode.
     //
     // For deciding which function the mount action should have, we use
     // the number of unmounted shares. If that is identical with the items.size(),
     // it will mount the items, otherwise it will unmount them.
     //
     int unmountedShares = items.size();
 
     for (QTreeWidgetItem *item : items)
     {
       Smb4KNetworkBrowserItem *browserItem = static_cast<Smb4KNetworkBrowserItem *>(item);
       
       if (browserItem && browserItem->shareItem()->isMounted() && !browserItem->shareItem()->isForeign())
       {
         //
         // Subtract shares mounted by the user
         // 
         unmountedShares--;
       }
     }
     
     //
     // Adjust the actions
     //
     qobject_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"))->setInactiveText(i18n("Scan Netwo&rk"));
     m_actionCollection->action("bookmark_action")->setEnabled(true);
     m_actionCollection->action("authentication_action")->setEnabled(false);
     m_actionCollection->action("custom_action")->setEnabled(false);
     m_actionCollection->action("preview_action")->setEnabled(true);
     m_actionCollection->action("print_action")->setEnabled(false);
     static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(unmountedShares == items.size());
     m_actionCollection->action("mount_action")->setEnabled(true);      
   }
   else
   {
     //
     // Adjust the actions
     // 
     qobject_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"))->setInactiveText(i18n("Scan Netwo&rk"));
     m_actionCollection->action("bookmark_action")->setEnabled(false);
     m_actionCollection->action("authentication_action")->setEnabled(false);
     m_actionCollection->action("custom_action")->setEnabled(false);
     m_actionCollection->action("preview_action")->setEnabled(false);
     m_actionCollection->action("print_action")->setEnabled(false);
     static_cast<KDualAction *>(m_actionCollection->action("mount_action"))->setActive(true);
     m_actionCollection->action("mount_action")->setEnabled(false);        
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotClientAboutToStart(const NetworkItemPtr& /*item*/, int process)
 {
   //
   // Get the rescan/abort action
   // 
   KDualAction *rescanAbortAction = static_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"));
   
   //
   // Make adjustments
   // 
   if (rescanAbortAction)
   {
     rescanAbortAction->setActive(true);
     m_actionCollection->setDefaultShortcut(rescanAbortAction, QKeySequence::Cancel);
   }
   
   //
   // Set the active status of the search tool bar 
   // 
   if (process == NetworkSearch)
   {
     m_searchToolBar->setActiveState(true);
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotClientFinished(const NetworkItemPtr& /*item*/, int process)
 {
   //
   // Get the rescan/abort action
   // 
   KDualAction *rescanAbortAction = static_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"));
   
   //
   // Make adjustments
   // 
   if (rescanAbortAction)
   {
     rescanAbortAction->setActive(false);
     m_actionCollection->setDefaultShortcut(rescanAbortAction, QKeySequence::Refresh);
   }
   
   //
   // Set the active status of the search tool bar 
   // 
   if (process == NetworkSearch)
   {
     m_searchToolBar->setActiveState(false);
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotWorkgroups()
 {
   //
   // Process the global workgroup list
   //
   if (!workgroupsList().isEmpty())
   {
     //
     // Remove obsolete workgroups and update existing ones
     //    
     QTreeWidgetItemIterator itemIt(m_networkBrowser, QTreeWidgetItemIterator::All);
       
     while (*itemIt)
     {
       Smb4KNetworkBrowserItem *networkItem = static_cast<Smb4KNetworkBrowserItem *>(*itemIt);
         
       if (networkItem->type() == Workgroup)
       {
         WorkgroupPtr workgroup = findWorkgroup(networkItem->workgroupItem()->workgroupName());
           
         if (workgroup)
         {
           networkItem->update();
             
           // Update the master browser
           for (int i = 0; i < networkItem->childCount(); ++i)
           {
             Smb4KNetworkBrowserItem *host = static_cast<Smb4KNetworkBrowserItem *>(networkItem->child(i));
             host->update();
           }
         }
         else
         {
           delete networkItem;
         }
       }
           
       ++itemIt;
     }
       
     //
     // Add new workgroups to the tree widget
     //
     for (const WorkgroupPtr &workgroup : workgroupsList())
     {
       QList<QTreeWidgetItem *> items = m_networkBrowser->findItems(workgroup->workgroupName(), Qt::MatchFixedString, Smb4KNetworkBrowser::Network);
         
       if (items.isEmpty())
       {
         (void) new Smb4KNetworkBrowserItem(m_networkBrowser, workgroup);
       }
     }
     
     //
     // Sort the items
     //
     m_networkBrowser->sortItems(Smb4KNetworkBrowser::Network, Qt::AscendingOrder);
   }
   else
   {
     //
     // Clear the tree widget
     //
     m_networkBrowser->clear();
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotWorkgroupMembers(const WorkgroupPtr& workgroup)
 {
   //
   // Process the list of domain members
   //
   if (workgroup)
   {
     //
     // Find the workgroup(s) 
     //
     QList<QTreeWidgetItem *> workgroups = m_networkBrowser->findItems(workgroup->workgroupName(), Qt::MatchFixedString, Smb4KNetworkBrowser::Network);
     QMutableListIterator<QTreeWidgetItem *> it(workgroups);
     
     while (it.hasNext())
     {
       QTreeWidgetItem *item = it.next();
       
       if (item->type() == Workgroup)
       {
         Smb4KNetworkBrowserItem *workgroupItem = static_cast<Smb4KNetworkBrowserItem *>(item);
         QTreeWidgetItemIterator itemIt(workgroupItem);
         
         //
         // Remove obsolete hosts and update existing ones
         //
         while (*itemIt)
         {
           Smb4KNetworkBrowserItem *networkItem = static_cast<Smb4KNetworkBrowserItem *>(*itemIt);
           
           if (networkItem->type() == Host)
           {
             HostPtr host = findHost(networkItem->hostItem()->hostName(), networkItem->hostItem()->workgroupName());
             
             if (host)
             {
               networkItem->update();
             }
             else
             {
               delete networkItem;
             }
           }
           else
           {
             break;
           }
           
           ++itemIt;
         }
         
         //
         // Add new hosts to the workgroup item and remove obsolete workgroups if
         // necessary. Honor the auto-expand feature.
         //
         QList<HostPtr> members = workgroupMembers(workgroupItem->workgroupItem());
         
         if (!members.isEmpty())
         {
           for (const HostPtr &host : members)
           {
             bool foundHost = false;
             
             for (int i = 0; i < workgroupItem->childCount(); ++i)
             {
               Smb4KNetworkBrowserItem *hostItem = static_cast<Smb4KNetworkBrowserItem *>(workgroupItem->child(i));
               
               if (hostItem->hostItem()->hostName() == host->hostName())
               {
                 foundHost = true;
                 break;
               }
               else
               {
                 continue;
               }
             }
             
             if (!foundHost)
             {
               (void) new Smb4KNetworkBrowserItem(workgroupItem, host);
             }
           }
           
           // Auto-expand the workgroup item, if applicable
           if (Smb4KSettings::autoExpandNetworkItems() && !workgroupItem->isExpanded() && !m_searchRunning)
           {
             m_networkBrowser->expandItem(workgroupItem);
           }
         }
         else
         {
           // Delete all hosts of the workgroup (if there should still be some) and
           // remove the workgroup item from the view (no hosts => no workgroup)
           while (workgroupItem->childCount() != 0)
           {
             delete workgroupItem->takeChild(0);
           }
           
           delete workgroupItem;
         }
       }
     }
     
     //
     // Sort the items
     //
     m_networkBrowser->sortItems(Smb4KNetworkBrowser::Network, Qt::AscendingOrder);
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotShares(const HostPtr& host)
 {
   //
   // Process the list of shares
   // 
   if (host)
   {
     //
     // Find the host(s)
     //
     QList<QTreeWidgetItem *> hosts = m_networkBrowser->findItems(host->hostName(), Qt::MatchFixedString|Qt::MatchRecursive, Smb4KNetworkBrowser::Network);
     QMutableListIterator<QTreeWidgetItem *> it(hosts);
     
     while (it.hasNext())
     {
       Smb4KNetworkBrowserItem *hostItem = static_cast<Smb4KNetworkBrowserItem *>(it.next());
       
       if (hostItem->type() == Host && hostItem->hostItem()->workgroupName() == host->workgroupName())
       {
         QTreeWidgetItemIterator itemIt(hostItem);
         
         //
         // Remove obsolete shares and update existing ones
         //
         while (*itemIt)
         {
           Smb4KNetworkBrowserItem *shareItem = static_cast<Smb4KNetworkBrowserItem *>(*itemIt);
           
           if (shareItem->type() == Share)
           {
             SharePtr share = findShare(shareItem->shareItem()->url(), shareItem->shareItem()->workgroupName());
             
             if (share)
             {
               shareItem->update();
             }
             else
             {
               delete shareItem;
             }
           }
           else
           {
             break;
           }
           
           ++itemIt;
         }
         
         //
         // Add new shares to the host item. The host will not be removed from the
         // view when it has no shares. Honor the auto-expand feature.
         //
         QList<SharePtr> shares = sharedResources(host);
         
         if (!shares.isEmpty())
         {
           for (const SharePtr &share : shares)
           {
             bool foundShare = false;
             
             for (int i = 0; i < hostItem->childCount(); ++i)
             {
               Smb4KNetworkBrowserItem *shareItem = static_cast<Smb4KNetworkBrowserItem *>(hostItem->child(i));
               
               if (QString::compare(shareItem->shareItem()->url().toString(QUrl::RemoveUserInfo|QUrl::RemovePort),
                                    share->url().toString(QUrl::RemoveUserInfo|QUrl::RemovePort),
                                    Qt::CaseInsensitive) == 0)
               {
                 foundShare = true;
                 break;
               }
               else
               {
                 continue;
               }
             }
             
             if (!foundShare)
             {
               (void) new Smb4KNetworkBrowserItem(hostItem, share);
             }
           }
           
           // Auto-expand the host item, if applicable
           if (Smb4KSettings::autoExpandNetworkItems() && !hostItem->isExpanded() && !m_searchRunning)
           {
             m_networkBrowser->expandItem(hostItem);
           }
         }
         else
         {
           // Delete all shares (if there should still be some), but leave the 
           // host in the view.
           while (hostItem->childCount() != 0)
           {
             delete hostItem->takeChild(0);
           }
         }
       }
       else
       {
         continue;
       }
     }
     
     //
     // Sort the items
     //
     m_networkBrowser->sortItems(Smb4KNetworkBrowser::Network, Qt::AscendingOrder);
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotRescanAbortActionTriggered(bool /*checked*/)
 {
   //
   // Get the Rescan/Abort action
   // 
   KDualAction *rescanAbortAction = static_cast<KDualAction *>(m_actionCollection->action("rescan_abort_action"));
   
   
   //
   // Get the selected items
   // 
   QList<QTreeWidgetItem *> selectedItems = m_networkBrowser->selectedItems();
   
   //
   // Perform actions according to the state of the action and the number of 
   // selected items.
   //
   if (!rescanAbortAction->isActive())
   {
     if (selectedItems.size() == 1)
     {
       Smb4KNetworkBrowserItem *browserItem = static_cast<Smb4KNetworkBrowserItem *>(selectedItems.first());
       
       if (browserItem)
       {
         switch (browserItem->type())
         {
           case Workgroup:
           {
             Smb4KClient::self()->lookupDomainMembers(browserItem->workgroupItem());
             break;
           }
           case Host:
           {
             Smb4KClient::self()->lookupShares(browserItem->hostItem());
             break;
           }
           case Share:
           {
             Smb4KNetworkBrowserItem *parentItem = static_cast<Smb4KNetworkBrowserItem *>(browserItem->parent());
             Smb4KClient::self()->lookupShares(parentItem->hostItem());
             break;
           }
           default:
           {
             break;
           } 
         }
       }
     }
     else
     {
       // If several items are selected or no selected items,
       // only the network can be scanned.
       Smb4KClient::self()->lookupDomains();
     }
   }
   else
   {
     // Stop all actions performed by the client
     if (Smb4KClient::self()->isRunning())
     {
       Smb4KClient::self()->abort();
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotAddBookmark(bool /*checked*/)
 {
   QList<QTreeWidgetItem *> items = m_networkBrowser->selectedItems();
   QList<SharePtr> shares;
 
   if (!items.isEmpty())
   {
     for (int i = 0; i < items.size(); ++i)
     {
       Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(items.at(i));
 
       if (item && item->type() == Share && !item->shareItem()->isPrinter())
       {
         shares << item->shareItem();
       }
     }
   }
   else
   {
     // No selected items. Just return.
     return;
   }
 
   if (!shares.isEmpty())
   {
     Smb4KBookmarkHandler::self()->addBookmarks(shares);
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotMountManually(bool /*checked*/)
 {
   Smb4KMounter::self()->openMountDialog();
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotAuthentication(bool /*checked*/)
 {
   Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(m_networkBrowser->currentItem());
 
   if (item)
   {
     switch (item->type())
     {
       case Host:
       {
         Smb4KWalletManager::self()->showPasswordDialog(item->hostItem());
         break;
       }
       case Share:
       {
         Smb4KWalletManager::self()->showPasswordDialog(item->shareItem());
         break;
       }
       default:
       {
         break;
       }
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotCustomOptions(bool /*checked*/)
 {
   Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(m_networkBrowser->currentItem());
   
   if (item)
   {
     switch (item->type())
     {
       case Host:
       {
         Smb4KCustomOptionsManager::self()->openCustomOptionsDialog(item->hostItem());
         break;
       }
       case Share:
       {
         Smb4KCustomOptionsManager::self()->openCustomOptionsDialog(item->shareItem());
         break;
       }
       default:
       {
         break;
       }
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotPreview(bool /*checked*/)
 {
   QList<QTreeWidgetItem *> items = m_networkBrowser->selectedItems();
   
   if (!items.isEmpty())
   {
     for (int i = 0; i < items.size(); ++i)
     {
       Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(items.at(i));
 
       if (item && item->type() == Share && !item->shareItem()->isPrinter())
       {
         Smb4KClient::self()->openPreviewDialog(item->shareItem());
       }
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotPrint(bool /*checked*/)
 {
   Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(m_networkBrowser->currentItem());
   
   if (item && item->shareItem()->isPrinter())
   {
     Smb4KClient::self()->openPrintDialog(item->shareItem());
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotMountActionTriggered(bool /*checked*/)
 {
   //
   // Get the selected items
   // 
   QList<QTreeWidgetItem *> selectedItems = m_networkBrowser->selectedItems();
   
   if (selectedItems.size() > 1)
   {
     // 
     // In the case of multiple selected network items, selectedItems() 
     // only contains shares. Thus, we do not need to test for the type.
     // For deciding what the mount action is supposed to do, i.e. mount
     // the (remaining) selected unmounted shares or unmounting all selected
     // mounted shares, we use the number of unmounted shares. If that is
     // greater than 0, we mount all shares that need to be mounted, otherwise
     // we unmount all selected shares.
     // 
     QList<SharePtr> unmounted, mounted;
     
     for (QTreeWidgetItem *item : selectedItems)
     {
       Smb4KNetworkBrowserItem *browserItem = static_cast<Smb4KNetworkBrowserItem *>(item);
       
       if (browserItem && browserItem->shareItem()->isMounted())
       {
         mounted << browserItem->shareItem();
       }
       else if (browserItem && !browserItem->shareItem()->isMounted())
       {
         unmounted << browserItem->shareItem();
       }
     }
     
     if (!unmounted.empty())
     {
       // Mount the (remaining) unmounted shares.
       Smb4KMounter::self()->mountShares(unmounted);
     }
     else
     {
       // Unmount all shares.
       Smb4KMounter::self()->unmountShares(mounted, m_networkBrowser);
     }
   }
   else
   {
     // 
     // If only one network item is selected, we need to test for the type
     // of the item. Only in case of a share we need to do something.
     // 
     Smb4KNetworkBrowserItem *browserItem = static_cast<Smb4KNetworkBrowserItem *>(selectedItems.first());
 
     if (browserItem)
     {
       switch (browserItem->type())
       {
         case Share:
         {
           if (!browserItem->shareItem()->isMounted())
           {
             Smb4KMounter::self()->mountShare(browserItem->shareItem());
           }
           else
           {
             Smb4KMounter::self()->unmountShare(browserItem->shareItem(), false);
           }
           break;
         }
         default:
         {
           break;
         }
       }
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotMountActionChanged(bool active)
 {
   //
   // Get the mount action
   // 
   KDualAction *mountAction = static_cast<KDualAction *>(m_actionCollection->action("mount_action"));
   
   //
   // Change the shortcuts depending on the value of the 'active' argument
   // 
   if (mountAction)
   {
     if (active)
     {
       m_actionCollection->setDefaultShortcut(mountAction, QKeySequence(Qt::CTRL+Qt::Key_M));
     }
     else
     {
       m_actionCollection->setDefaultShortcut(mountAction, QKeySequence(Qt::CTRL+Qt::Key_U));
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotShareMounted(const SharePtr& share)
 {
   QTreeWidgetItemIterator it(m_networkBrowser);
   
   while (*it)
   {
     Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(*it);
     
     if (item->type() == Share)
     {
       if (QString::compare(item->shareItem()->url().toString(QUrl::RemoveUserInfo|QUrl::RemovePort),
                            share->url().toString(QUrl::RemoveUserInfo|QUrl::RemovePort),
                            Qt::CaseInsensitive) == 0)
       {
         item->update();
         break;
       }
     }
     
     ++it;
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotShareUnmounted(const SharePtr& share)
 {
   QTreeWidgetItemIterator it(m_networkBrowser);
   
   while (*it)
   {
     Smb4KNetworkBrowserItem *item = static_cast<Smb4KNetworkBrowserItem *>(*it);
     
     if (item->type() == Share)
     {
       if (QString::compare(item->shareItem()->url().toString(QUrl::RemoveUserInfo|QUrl::RemovePort),
                            share->url().toString(QUrl::RemoveUserInfo|QUrl::RemovePort),
                            Qt::CaseInsensitive) == 0)
       {
         item->update();
         break;
       }
     }
     
     ++it;
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotMounterAboutToStart(int /*process*/)
 {
   //
   // Unused at the moment
   // 
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotMounterFinished(int process)
 {
   //
   // Get the mount/unmount action
   // 
   KDualAction *mountAction = static_cast<KDualAction *>(m_actionCollection->action("mount_action"));
 
   //
   // Make adjustments
   // 
   if (mountAction)
   {
     switch (process)
     {
       case MountShare:
       {
         mountAction->setActive(false);
         break;
       }
       case UnmountShare:
       {
         mountAction->setActive(true);
         break;
       }
       default:
       {
         break;
       }
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotIconSizeChanged(int group)
 {
   switch (group)
   {
     case KIconLoader::Small:
     {
       int icon_size = KIconLoader::global()->currentSize(KIconLoader::Small);
       m_networkBrowser->setIconSize(QSize(icon_size, icon_size));
       break;
     }
     default:
     {
       break;
     }
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotShowSearchToolBar()
 {
   //
   // Show the search toolbar
   // 
   m_searchToolBar->setVisible(true);
   
   //
   // Set the focus to the search item input
   // 
   m_searchToolBar->prepareInput();
 }
 
 
 
 void Smb4KNetworkBrowserDockWidget::slotHideSearchToolBar()
 {
   //
   // Prevent another dock widget from stealing the focus when 
   // the search tool bar is hidden
   // 
   m_networkBrowser->setFocus();
   
   //
   // Hide the search toolbar
   // 
   m_searchToolBar->setVisible(false);
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotPerformSearch(const QString& item)
 {
   //
   // Prevent another dock widget from stealing the focus when 
   // the search item input is disabled
   // 
   m_networkBrowser->setFocus();
   
   //
   // A global search is underway
   // 
   m_searchRunning = true;
   
   //
   // Start the search
   // 
   Smb4KClient::self()->search(item);
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotStopSearch()
 {
   //
   // Stop the network search
   // 
   Smb4KClient::self()->abort();
   
   //
   // A global search finished
   // 
   m_searchRunning = false;
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotSearchResults(const QList<SharePtr>& shares)
 {
   //
   // A global search finished
   // 
   m_searchRunning = false;
   
   //
   // Process the search results
   // 
   QTreeWidgetItemIterator it(m_networkBrowser);
     
   while (*it)
   {
     Smb4KNetworkBrowserItem *networkItem = static_cast<Smb4KNetworkBrowserItem *>(*it);
     
     if (networkItem->type() == Share)
     {
       for (const SharePtr &share : shares)
       {
         if (networkItem->shareItem() == share)
         {
           //
           // Select the search result
           // 
           networkItem->setSelected(true);
           
           //
           // Expand the branch of the network tree where a search result
           // was retrieved
           // 
           if (!networkItem->parent()->isExpanded())
           {
             m_networkBrowser->expandItem(networkItem->parent());
           }
           
           if (!networkItem->parent()->parent()->isExpanded())
           {
             m_networkBrowser->expandItem(networkItem->parent()->parent());
           }
         }
       }
     }
     
     it++;
   }
   
   //
   // Pass the search results to the search toolbar
   // 
   m_searchToolBar->setSearchResults(shares);
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotJumpToResult(const QString& url)
 {
   //
   // Find the share item with URL url
   // 
   QTreeWidgetItemIterator it(m_networkBrowser);
   
   while (*it)
   {
     Smb4KNetworkBrowserItem *networkItem = static_cast<Smb4KNetworkBrowserItem *>(*it);
     
     if (networkItem->type() == Share && networkItem->shareItem()->url().toString() == url)
     {
       m_networkBrowser->setCurrentItem(networkItem);
       break;
     }
     
     it++;
   }
 }
 
 
 void Smb4KNetworkBrowserDockWidget::slotClearSearchResults()
 {
   m_networkBrowser->clearSelection();
 }