File indexing completed on 2024-05-05 04:47:27

 /****************************************************************************************
  * Copyright (c) 2009 Nikolaj Hald Nielsen <nhn@kde.org>                                *
  *                                                                                      *
  * 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, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
  
 #include "BrowserBreadcrumbItem.h"
 
 #include "browsers/BrowserCategoryList.h"
 #include "browsers/filebrowser/FileBrowser.h"
 #include "core/support/Debug.h"
 #include "widgets/BreadcrumbItemButton.h"
 
 #include <QDir>
 #include <QHBoxLayout>
 #include <QIcon>
 #include <QMenu>
 
 #include <KLocalizedString>
 
 
 BrowserBreadcrumbItem::BrowserBreadcrumbItem( BrowserCategory *category, QWidget *parent )
     : BoxWidget( false, parent )
     , m_menuButton( nullptr )
 {
     //figure out if we want to add a menu to this item. A menu allows you to select
     //any of the _sibling_ items. (yes, I know, this is different from how Dolphin
     //does it, but I find the Dolphin way amazingly unintuitive and I always get it
     //wrong when using it...)
     BrowserCategoryList * parentList = category->parentList();
     if( parentList )
     {
         m_menuButton = new BreadcrumbItemMenuButton( this );
         QMenu *menu = new QMenu( this ); //see QMenu docs: it's still a top-level widget.
                                          //parent is only for memory management.
         QMap<QString,BrowserCategory *> siblingMap = parentList->categories();
 
         const QStringList siblingNames = siblingMap.keys();
 
         foreach( const QString &siblingName, siblingNames )
         {
             //no point in adding ourselves to this menu
             if ( siblingName == category->name() )
                 continue;
 
             BrowserCategory *siblingCategory = siblingMap.value( siblingName );
 
             QAction *action = menu->addAction( siblingCategory->icon(), siblingCategory->prettyName() );
             connect( action, &QAction::triggered, siblingMap.value( siblingName ), &BrowserCategory::activate );
         }
 
         m_menuButton->setMenu( menu );
     }
 
     m_mainButton = new BreadcrumbItemButton( category->icon(), category->prettyName(), this );
 
     if( category->prettyName().isEmpty() )
     {
         // root item
         m_mainButton->setToolTip( i18n( "Media Sources Home" ) );
         m_mainButton->setIcon( QIcon::fromTheme( QStringLiteral("user-home") ) );
     }
 
     connect( m_mainButton, &BreadcrumbItemButton::sizePolicyChanged, this, &BrowserBreadcrumbItem::updateSizePolicy );
 
     //if this is a list, make clicking on this item cause us
     //to navigate to its home.
     BrowserCategoryList *list = qobject_cast<BrowserCategoryList*>( category );
     if ( list )
     {
         connect( m_mainButton, &QAbstractButton::clicked, list, &BrowserCategoryList::home );
     }
     else  
     {
         connect( m_mainButton, &QAbstractButton::clicked, category, &BrowserCategory::reActivate );
     }
 
     adjustSize();
     m_nominalWidth = width();
 
     hide();
 
     updateSizePolicy();
 }
 
 BrowserBreadcrumbItem::BrowserBreadcrumbItem( const QString &name, const QString &callback,
         const BreadcrumbSiblingList &childItems, FileBrowser *handler, QWidget *parent )
     : BoxWidget( false, parent )
     , m_menuButton( nullptr )
     , m_callback( callback )
 {
     if ( !childItems.isEmpty() )
     {
         m_menuButton = new BreadcrumbItemMenuButton( this );
         QMenu *menu = new QMenu( this );
 
         int i = 0;
         foreach( const BreadcrumbSibling &sibling, childItems )
         {
             QString visibleName = sibling.name;
             visibleName.replace( '&', QLatin1String("&&") ); // prevent bug 244817
             QAction *action = menu->addAction( sibling.icon, visibleName );
             action->setProperty( "callback", sibling.callback );
 
             // the current action should be bolded
             if( sibling.name == name )
             {
                 QFont font = action->font();
                 font.setBold( true );
                 action->setFont( font );
             }
             connect( action, &QAction::triggered, this, &BrowserBreadcrumbItem::activateSibling );
             i++;
         }
         m_menuButton->setMenu( menu );
     }
 
     m_mainButton = new BreadcrumbItemButton( name, this );
     connect( m_mainButton, &BreadcrumbItemButton::sizePolicyChanged, this, &BrowserBreadcrumbItem::updateSizePolicy );
     connect( m_mainButton, &QAbstractButton::clicked, this, &BrowserBreadcrumbItem::activate );
     connect( this, &BrowserBreadcrumbItem::activated, handler, &FileBrowser::addItemActivated );
 
     adjustSize();
     m_nominalWidth = width();
 
     hide();
     updateSizePolicy(); 
 }
 
 BrowserBreadcrumbItem::~BrowserBreadcrumbItem()
 {
 }
 
 void
 BrowserBreadcrumbItem::setActive( bool active )
 {
     m_mainButton->setActive( active );
 }
 
 QSizePolicy BrowserBreadcrumbItem::sizePolicy() const
 {
     return m_mainButton->sizePolicy();
 }
 
 void BrowserBreadcrumbItem::updateSizePolicy()
 {
     setSizePolicy( m_mainButton->sizePolicy() );
 }
 
 void BrowserBreadcrumbItem::activate()
 {
     Q_EMIT activated( m_callback );
 }
 
 void BrowserBreadcrumbItem::activateSibling()
 {
     QAction *action = qobject_cast<QAction *>( sender() );
     if( action )
         Q_EMIT activated( action->property( "callback" ).toString() );
 }
 
 int BrowserBreadcrumbItem::nominalWidth() const
 {
     return m_nominalWidth;
 }