listpanel.cpp

LINUX 下, 以 QT/KDE 写的档案管理员

/***************************************************************************
                         listpanel.cpp
                      -------------------
copyright            : (C) 2000 by Shie Erlich & Rafi Yanai
e-mail               : [e-mail]
web site             : http://krusader.sourceforge.net
---------------------------------------------------------------------------
Description 
***************************************************************************

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                                              S o u r c e    F i l e

***************************************************************************
*                                                                         *
*   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.                                   *
*                                                                         *
***************************************************************************/

#include <unistd.h>
#include <sys/param.h>
// QT includes
#include <qbitmap.h>
#include <qwhatsthis.h>
#include <qstringlist.h>
#include <qstrlist.h>
#include <kurldrag.h>
#include <qheader.h>
#include <qtimer.h>
#include <qregexp.h> 
#include <qsplitter.h>
// KDE includes
#include <kpopupmenu.h>
#include <kprocess.h>
#include <kmessagebox.h>
#include <klocale.h>
#include <kmimetype.h>
#include <kurl.h>
#include <ktrader.h>
#include <kopenwith.h>
#include <kuserprofile.h>
#include <kiconloader.h>
#include <kcursor.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <kglobalsettings.h>
#include <qtooltip.h>
#include <kdeversion.h>
#include <qimage.h>
#include <qtabbar.h>
#include <kdebug.h>
#include <kurlrequester.h>
#include <kurl.h> 
#include <kmountpoint.h>

// Krusader includes
#include "../krusader.h"
#include "../krslots.h"
#include "panelfunc.h"
#include "../kicons.h"
#include "../VFS/krpermhandler.h"
#include "listpanel.h"
#include "../krusaderview.h"
#include "../panelmanager.h"
#include "../defaults.h"
#include "../resources.h"
#include "../MountMan/kmountman.h"
#include "../Dialogs/krdialogs.h"
#include "../BookMan/krbookmarkbutton.h"
#include "../Dialogs/krspwidgets.h"
#include "../Dialogs/krspecialwidgets.h"
#include "../GUI/kcmdline.h"
#include "../Dialogs/percentalsplitter.h"
#include "krdetailedview.h"
#include "krbriefview.h"
#include "krpreviewpopup.h"
#include "../GUI/dirhistorybutton.h"
#include "../GUI/dirhistoryqueue.h"
#include "../GUI/mediabutton.h"
#include "../GUI/syncbrowsebutton.h"
#include "../krservices.h"
#include "panelpopup.h" 
#include "../UserAction/useractionpopupmenu.h"
#include "../Dialogs/popularurls.h"
#include "krpopupmenu.h"

#ifdef __LIBKONQ__
#include <konq_popupmenu.h>
#include <konqbookmarkmanager.h>
#endif

typedef QValueList<KServiceOffer> OfferList;

#define URL(X) KURL::fromPathOrURL(X)

/////////////////////////////////////////////////////
// 					The list panel constructor       //
/////////////////////////////////////////////////////
ListPanel::ListPanel( QString typeIn, QWidget *parent, bool &left, const char *name ) :
      QWidget( parent, name ), panelType( typeIn ), colorMask( 255 ), compareMode( false ), currDragItem( 0 ), statsAgent( 0 ), 
		quickSearch( 0 ), cdRootButton( 0 ), cdUpButton( 0 ), popupBtn(0), popup(0),inlineRefreshJob(0), _left( left ) {

   func = new ListPanelFunc( this );
   setAcceptDrops( true );
   layout = new QGridLayout( this, 3, 3 );

   mediaButton = new MediaButton( this, "mediaButton" );
   connect( mediaButton, SIGNAL( pressed() ), this, SLOT( slotFocusOnMe() ) );
   connect( mediaButton, SIGNAL( openUrl( const KURL& ) ), func, SLOT( openUrl( const KURL& ) ) );

   status = new KrSqueezedTextLabel( this );
   krConfig->setGroup( "Look&Feel" );
   status->setFont( krConfig->readFontEntry( "Filelist Font", _FilelistFont ) );
   status->setBackgroundMode( PaletteBackground );
   status->setFrameStyle( QFrame::Box | QFrame::Raised );
   status->setLineWidth( 1 );		// a nice 3D touch :-)
   status->setText( "" );        // needed for initialization code!
   status->enableDrops( true );
   int sheight = QFontMetrics( status->font() ).height() + 4;
   status->setMaximumHeight( sheight );
   QWhatsThis::add
      ( status, i18n( "The statusbar displays information about the FILESYSTEM "
                      "which holds your current directory: Total size, free space, "
                      "type of filesystem, etc." ) );
   connect( status, SIGNAL( clicked() ), this, SLOT( slotFocusOnMe() ) );
   connect( status, SIGNAL( dropped( QDropEvent *) ), this, SLOT( handleDropOnStatus(QDropEvent *) ) );

   // ... create the history button
   dirHistoryQueue = new DirHistoryQueue( this );
   historyButton = new DirHistoryButton( dirHistoryQueue, this, "historyButton" );
   connect( historyButton, SIGNAL( pressed() ), this, SLOT( slotFocusOnMe() ) );
   connect( historyButton, SIGNAL( openUrl( const KURL& ) ), func, SLOT( openUrl( const KURL& ) ) );

	bookmarksButton = new KrBookmarkButton(this);
	connect( bookmarksButton, SIGNAL( pressed() ), this, SLOT( slotFocusOnMe() ) );
   connect( bookmarksButton, SIGNAL( openUrl( const KURL& ) ), func, SLOT( openUrl( const KURL& ) ) );
	QWhatsThis::add
      ( bookmarksButton, i18n( "Open menu with bookmarks. You can also add "
                               "current location to the list, edit bookmarks "
                               "or add subfolder to the list." ) );
										 
   QHBoxLayout *totalsLayout = new QHBoxLayout;
	totals = new KrSqueezedTextLabel( this );
   krConfig->setGroup( "Look&Feel" );
   totals->setFont( krConfig->readFontEntry( "Filelist Font", _FilelistFont ) );
   totals->setFrameStyle( QFrame::Box | QFrame::Raised );
   totals->setBackgroundMode( PaletteBackground );
   totals->setLineWidth( 1 );		// a nice 3D touch :-)
   totals->setMaximumHeight( sheight );
   totals->enableDrops( true );
   QWhatsThis::add
      ( totals, i18n( "The totals bar shows how many files exist, "
                      "how many selected and the bytes math" ) );
   connect( totals, SIGNAL( clicked() ), this, SLOT( slotFocusOnMe() ) );
   connect( totals, SIGNAL( dropped( QDropEvent *) ), this, SLOT( handleDropOnTotals(QDropEvent *) ) );  
   
	// a cancel button for the inplace refresh mechanism
	inlineRefreshCancelButton = new KPushButton(this);
	inlineRefreshCancelButton->setFixedSize( 22, 20 );
	inlineRefreshCancelButton->setPixmap(krLoader->loadIcon("cancel", KIcon::Toolbar, 16));
	connect(inlineRefreshCancelButton, SIGNAL(clicked()), this, SLOT(inlineRefreshCancel()));

	// a quick button to open the popup panel
	popupBtn = new QToolButton( this, "popupbtn" );
	popupBtn->setFixedSize( 22, 20 );
	popupBtn->setPixmap(krLoader->loadIcon("1uparrow", KIcon::Toolbar, 16));
	connect(popupBtn, SIGNAL(clicked()), this, SLOT(togglePanelPopup()));
	QToolTip::add(  popupBtn, i18n( "Open the popup panel" ) );
	totalsLayout->addWidget(totals);
	totalsLayout->addWidget(inlineRefreshCancelButton); inlineRefreshCancelButton->hide();
	totalsLayout->addWidget(popupBtn);
   
   quickSearch = new KrQuickSearch( this );
   krConfig->setGroup( "Look&Feel" );
   quickSearch->setFont( krConfig->readFontEntry( "Filelist Font", _FilelistFont ) );
   quickSearch->setFrameStyle( QFrame::Box | QFrame::Raised );
   quickSearch->setLineWidth( 1 );		// a nice 3D touch :-)
   quickSearch->setMaximumHeight( sheight );

   QHBox * hbox = new QHBox( this );

	// clear-origin button
	bool clearButton = krConfig->readBoolEntry("Clear Location Bar Visible", _ClearLocation);
	if (clearButton){
		clearOrigin = new QToolButton(hbox, "clearorigin");
		clearOrigin->setPixmap(krLoader->loadIcon("locationbar_erase", KIcon::Toolbar, 16));
		QToolTip::add(  clearOrigin, i18n( "Clear the location bar" ) );
	}
	
	QuickNavLineEdit *qnle = new QuickNavLineEdit(this);
   origin = new KURLRequester( qnle, hbox );
   QPixmap pixMap = origin->button() ->iconSet() ->pixmap( QIconSet::Small, QIconSet::Normal );
   origin->button() ->setFixedSize( pixMap.width() + 4, pixMap.height() + 4 );
   QWhatsThis::add
      ( origin, i18n( "Use superb KDE file dialog to choose location. " ) );
   origin->setShowLocalProtocol( false );
   origin->lineEdit() ->setURLDropsEnabled( true );
   origin->lineEdit() ->installEventFilter( this );
   QWhatsThis::add
      ( origin->lineEdit(), i18n( "Name of directory where you are. You can also "
                                  "enter name of desired location to move there. "
                                  "Use of Net protocols like ftp or fish is possible." ) );
   origin->setMode( KFile::Directory | KFile::ExistingOnly );
   connect( origin, SIGNAL( returnPressed( const QString& ) ), func, SLOT( openUrl( const QString& ) ) );
   connect( origin, SIGNAL( returnPressed( const QString& ) ), this, SLOT( slotFocusOnMe() ) );
   connect( origin, SIGNAL( urlSelected( const QString& ) ), func, SLOT( openUrl( const QString& ) ) );
   connect( origin, SIGNAL( urlSelected( const QString& ) ), this, SLOT( slotFocusOnMe() ) );
   
	// this is here on purpose, do not move up!
	if (clearButton) {
		clearOrigin->setFixedSize( 20, origin->button() ->height() );
		connect(clearOrigin, SIGNAL(clicked()), origin->lineEdit(), SLOT(clear()));
		connect(clearOrigin, SIGNAL(clicked()), origin->lineEdit(), SLOT(setFocus()));
	}
	//
   
   cdOtherButton = new QToolButton( hbox, "cdOtherButton" );
   cdOtherButton->setFixedSize( 20, origin->button() ->height() );
   cdOtherButton->setText( i18n( "=" ) );
	QToolTip::add(  cdOtherButton, i18n( "Equal" ) );
   connect( cdOtherButton, SIGNAL( clicked() ), this, SLOT( slotFocusAndCDOther() ) );

   cdUpButton = new QToolButton( hbox, "cdUpButton" );
   cdUpButton->setFixedSize( 20, origin->button() ->height() );
   cdUpButton->setText( i18n( ".." ) );
	QToolTip::add(  cdUpButton, i18n( "Up" ) );
   connect( cdUpButton, SIGNAL( clicked() ), this, SLOT( slotFocusAndCDup() ) );

   cdHomeButton = new QToolButton( hbox, "cdHomeButton" );
   cdHomeButton->setFixedSize( 20, origin->button() ->height() );
   cdHomeButton->setText( i18n( "~" ) );
	QToolTip::add(  cdHomeButton, i18n( "Home" ) );
   connect( cdHomeButton, SIGNAL( clicked() ), this, SLOT( slotFocusAndCDHome() ) );

   cdRootButton = new QToolButton( hbox, "cdRootButton" );
   cdRootButton->setFixedSize( 20, origin->button() ->height() );
   cdRootButton->setText( i18n( "/" ) );
	QToolTip::add(  cdRootButton, i18n( "Root" ) );
   connect( cdRootButton, SIGNAL( clicked() ), this, SLOT( slotFocusAndCDRoot() ) );

   // ... creates the button for sync-browsing
   syncBrowseButton = new SyncBrowseButton( hbox );

   setPanelToolbar();

   header = new QHeader( this );
   header->hide();

	// create a splitter to hold the view and the popup
	splt = new PercentalSplitter(this);
	splt->setChildrenCollapsible(true);
	splt->setOrientation(QObject::Vertical);

	createView();
	
   // make sure that a focus/path change reflects in the command line and activePanel
   connect( this, SIGNAL( cmdLineUpdate( QString ) ), SLOTS, SLOT( slotCurrentChanged( QString ) ) );
   connect( this, SIGNAL( activePanelChanged( ListPanel * ) ), SLOTS, SLOT( slotSetActivePanel( ListPanel * ) ) );
	
	// add a popup
	popup = new PanelPopup(splt, left);
	connect(popup, SIGNAL(selection(const KURL&)), SLOTS, SLOT(refresh(const KURL&)));
	connect(popup, SIGNAL(hideMe()), this, SLOT(togglePanelPopup()));
	popup->hide();
	
   // finish the layout
	layout->addMultiCellWidget( hbox, 0, 0, 0, 3 );
   layout->addWidget( mediaButton, 1, 0 );
   layout->addWidget( status, 1, 1 );
   layout->addWidget( historyButton, 1, 2 );
   layout->addWidget( bookmarksButton, 1, 3 );
   layout->addMultiCellWidget( header, 2, 2, 0, 3 );
   layout->addMultiCellWidget( splt, 3, 3, 0, 3 );
   layout->addMultiCellWidget( quickSearch, 4, 4, 0, 3 );
   quickSearch->hide();
   layout->addMultiCellLayout( totalsLayout, 5, 5, 0, 3 );
   //filter = ALL;
}

void ListPanel::createView()
{
	header->hide();
	if( panelType == "Brief" )
	{
		view = new KrBriefView( header, splt, _left, krConfig );
		view->init();
		
		connect( dynamic_cast<KrBriefView*>( view ), SIGNAL( middleButtonClicked( KrViewItem * ) ), SLOTS, SLOT( newTab( KrViewItem * ) ) );
		connect( dynamic_cast<KrBriefView*>( view ), SIGNAL( currentChanged( KrViewItem * ) ), 
			SLOTS, SLOT( updatePopupPanel( KrViewItem* ) ) );

		// connect quicksearch
		connect( quickSearch, SIGNAL( textChanged( const QString& ) ),
			dynamic_cast<KrBriefView*>( view ), SLOT( quickSearch( const QString& ) ) );
		connect( quickSearch, SIGNAL( otherMatching( const QString&, int ) ),
			dynamic_cast<KrBriefView*>( view ), SLOT( quickSearch( const QString& , int ) ) );
		connect( quickSearch, SIGNAL( stop( QKeyEvent* ) ),
			dynamic_cast<KrBriefView*>( view ), SLOT( stopQuickSearch( QKeyEvent* ) ) );
		connect( quickSearch, SIGNAL( process( QKeyEvent* ) ),
			dynamic_cast<KrBriefView*>( view ), SLOT( handleQuickSearchEvent( QKeyEvent* ) ) );
	} else { /* Detailed */
		panelType = "Detailed";
		view = new KrDetailedView( splt, _left, krConfig );
		view->init();
		connect( dynamic_cast<KrDetailedView*>( view ), SIGNAL( middleButtonClicked( KrViewItem * ) ), SLOTS, SLOT( newTab( KrViewItem * ) ) );
		connect( dynamic_cast<KrDetailedView*>( view ), SIGNAL( currentChanged( KrViewItem * ) ), 
			SLOTS, SLOT( updatePopupPanel( KrViewItem * ) ) );
		// connect quicksearch
		connect( quickSearch, SIGNAL( textChanged( const QString& ) ),
			dynamic_cast<KrDetailedView*>( view ), SLOT( quickSearch( const QString& ) ) );
		connect( quickSearch, SIGNAL( otherMatching( const QString&, int ) ),
			dynamic_cast<KrDetailedView*>( view ), SLOT( quickSearch( const QString& , int ) ) );
		connect( quickSearch, SIGNAL( stop( QKeyEvent* ) ),
			dynamic_cast<KrDetailedView*>( view ), SLOT( stopQuickSearch( QKeyEvent* ) ) );
		connect( quickSearch, SIGNAL( process( QKeyEvent* ) ),
			dynamic_cast<KrDetailedView*>( view ), SLOT( handleQuickSearchEvent( QKeyEvent* ) ) );
	}

   connect( view->op(), SIGNAL( renameItem( const QString &, const QString & ) ),
            func, SLOT( rename( const QString &, const QString & ) ) );
   connect( view->op(), SIGNAL( executed( QString& ) ), func, SLOT( execute( QString& ) ) );
   connect( view->op(), SIGNAL( needFocus() ), this, SLOT( slotFocusOnMe() ) );
   connect( view->op(), SIGNAL( selectionChanged() ), this, SLOT( slotUpdateTotals() ) );
   connect( view->op(), SIGNAL( itemDescription( QString& ) ), krApp, SLOT( statusBarUpdate( QString& ) ) );
   connect( view->op(), SIGNAL( contextMenu( const QPoint & ) ), this, SLOT( popRightClickMenu( const QPoint & ) ) );
   connect( view->op(), SIGNAL( emptyContextMenu( const QPoint &) ), 
   	this, SLOT( popEmptyRightClickMenu( const QPoint & ) ) );
   connect( view->op(), SIGNAL( letsDrag( QStringList, QPixmap ) ), this, SLOT( startDragging( QStringList, QPixmap ) ) );
   connect( view->op(), SIGNAL( gotDrop( QDropEvent * ) ), this, SLOT( handleDropOnView( QDropEvent * ) ) );
}

void ListPanel::changeType( const QString & type )
{
   if( panelType != type )
   {
      panelType = type;
      delete view;
      createView();

      slotStartUpdate();

      if( panelType == "Brief" )
         dynamic_cast<KrBriefView*>( view )->show();
      else /* Detailed */
         dynamic_cast<KrDetailedView*>( view )->show();
   }
}

ListPanel::~ListPanel() {
   delete func;
   delete view;
   delete status;
   delete bookmarksButton;
   delete totals;
   delete quickSearch;
   delete origin;
   delete cdRootButton;
   delete cdHomeButton;
   delete cdUpButton;
   delete cdOtherButton;
   delete syncBrowseButton;