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/** -*- C++ -*-
@file adept/filterwidgets.h
@author Peter Rockai <me@mornfall.net>
*/
#include <apt-front/cache/entity/entity.h>
#include <apt-front/cache/entity/package.h>
#include <apt-front/predicate/factory.h>
#include <adept/statefilterui.h>
#include <adept/filterlist.h>
#include <adept/lister.h>
#include <klocale.h>
#include <layout.h>
#include <iostream>
#include <sstream>
#ifndef EPT_STATEFILTER_H
#define EPT_STATEFILTER_H
class KLineEdit;
namespace adept {
template< typename T >
struct StateFilter : predicate::Implementation< T, StateFilter< T > >,
InterfacingPredicate
{
enum Mask { Installed = 1 << 0,
NotInstalled = 1 << 1,
Upgradable = 1 << 2,
Install = 1 << 3,
Remove = 1 << 4,
Keep = 1 << 5,
Upgrade = 1 << 6 };
StateFilter()
: m_mask( 0xff ) {
setupPredicate();
}
void setupPredicate() {
predicate::Predicate< T >
p0 = not predicate::True< T >(),
p1 = not predicate::True< T >();
if (m_mask & Installed)
p0 = p0 or (predicate::Factory< T >::member( &T::isInstalled )
and not predicate::Factory< T >::member( &T::isUpgradable ) );
if (m_mask & NotInstalled)
p0 = p0 or not predicate::Factory< T >::member( &T::isInstalled );
if (m_mask & Upgradable)
p0 = p0 or predicate::Factory< T >::member( &T::isUpgradable );
if (m_mask & Install)
p1 = p1 or predicate::Factory< T >::member( &T::markedNewInstall );
if (m_mask & Remove)
p1 = p1 or predicate::Factory< T >::member( &T::markedRemove );
if (m_mask & Keep)
p1 = p1 or predicate::Factory< T >::member( &T::markedKeep );
if (m_mask & Upgrade)
p1 = p1 or predicate::Factory< T >::member( &T::markedUpgrade );
m_op = p0 and p1;
}
std::string summary() const {
std::ostringstream s;
std::vector< std::string > r;
s << "State filter: ";
if (m_mask & Installed && m_mask & NotInstalled && m_mask & Upgradable)
r.push_back( "Any State" );
else {
if (m_mask & Installed)
r.push_back( i18n( "Installed" ) );
if (m_mask & NotInstalled)
r.push_back( i18n( "Not Installed" ) );
if (m_mask & Upgradable)
r.push_back( i18n( "Upgradable" ) );
}
std::copy( r.begin(), r.end(),
std::ostream_iterator< std::string >( s, " " ) );
s << "; ";
r.clear();
if (m_mask & Install && m_mask & Remove
&& m_mask & Keep && m_mask & Upgrade)
r.push_back( i18n( "Any Action" ) );
else {
if (m_mask & Install)
r.push_back( i18n( "Install" ) );
if (m_mask & Remove)
r.push_back( i18n( "Remove" ) );
if (m_mask & Keep)
r.push_back( i18n( "Keep" ) );
if (m_mask & Upgrade)
r.push_back( i18n( "Upgrade" ) );
}
std::copy( r.begin(), r.end(),
std::ostream_iterator< std::string >( s, " " ) );
return s.str();
}
unsigned mask() const {
return m_mask;
}
void setMask( unsigned m ) {
m_mask = m;
setupPredicate();
}
void parseArguments( const predicate::ArgumentList & ) {}
bool operator==( const StateFilter &o ) const {
return o.m_op == m_op;
}
bool operator()( const T &p ) {
return m_op( p );
}
virtual void reset() {
m_mask = 0xff;
setupPredicate();
}
protected:
unsigned m_mask;
predicate::Predicate< T > m_op;
};
class StateFilterWidget : public StateFilterUi
{
Q_OBJECT
TQ_OBJECT
public:
StateFilterWidget( TQWidget *parent, const char *name = 0 );
virtual Predicate predicate();
public slots:
void predicateChanged();
};
}
#endif
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