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/***************************************************************************
* Copyright (C) 2006 by *
* Jason Kivlighn (jkivlighn@gmail.com) *
* *
* 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 "unitcombobox.h"
#include <ntqlistbox.h>
#include <tdelocale.h>
#include <tdeconfig.h>
#include <tdeglobal.h>
#include "backends/recipedb.h"
#include "datablocks/elementlist.h"
UnitComboBox::UnitComboBox( TQWidget *parent, RecipeDB *db, Unit::Type type ) : KComboBox( parent ),
database( db ), m_type(type)
{
connect( database, SIGNAL( unitCreated( const Unit & ) ), SLOT( createUnit( const Unit & ) ) );
connect( database, SIGNAL( unitRemoved( int ) ), SLOT( removeUnit( int ) ) );
}
void UnitComboBox::popup()
{
if ( count() == 1 )
reload();
KComboBox::popup();
}
Unit UnitComboBox::unit() const
{
Unit u;
u.name = currentText();
u.id = id(currentItem());
return u;
}
void UnitComboBox::reload()
{
TQString remember_filter = currentText();
UnitList unitList;
database->loadUnits( &unitList, m_type );
clear();
unitComboRows.clear();
//Now load the categories
loadUnits(unitList);
if ( listBox()->findItem( remember_filter, TQt::ExactMatch ) ) {
setCurrentText( remember_filter );
}
}
void UnitComboBox::loadUnits( const UnitList &unitList )
{
int row = 0;
for ( UnitList::const_iterator it = unitList.begin(); it != unitList.end(); ++it ) {
insertItem( (*it).name );
unitComboRows.insert( row, (*it).id ); // store unit id's in the combobox position to obtain the unit id later
row++;
}
}
void UnitComboBox::setSelected( int unitID )
{
//do a reverse lookup on the row->id map
TQMap<int, int>::const_iterator it;
for ( it = unitComboRows.begin(); it != unitComboRows.end(); ++it ) {
if ( it.data() == unitID ) {
setCurrentItem(it.key());
break;
}
}
}
int UnitComboBox::id( int row ) const
{
return unitComboRows[ row ];
}
void UnitComboBox::createUnit( const Unit &element )
{
int row = findInsertionPoint( element.name );
insertItem( element.name, row );
//now update the map by pushing everything after this item down
TQMap<int, int> new_map;
for ( TQMap<int, int>::iterator it = unitComboRows.begin(); it != unitComboRows.end(); ++it ) {
if ( it.key() >= row ) {
new_map.insert( it.key() + 1, it.data() );
}
else
new_map.insert( it.key(), it.data() );
}
unitComboRows = new_map;
unitComboRows.insert( row, element.id );
}
void UnitComboBox::removeUnit( int id )
{
int row = -1;
for ( TQMap<int, int>::iterator it = unitComboRows.begin(); it != unitComboRows.end(); ++it ) {
if ( it.data() == id ) {
row = it.key();
removeItem( row );
unitComboRows.remove( it );
break;
}
}
if ( row == -1 )
return ;
//now update the map by pushing everything after this item up
TQMap<int, int> new_map;
for ( TQMap<int, int>::iterator it = unitComboRows.begin(); it != unitComboRows.end(); ++it ) {
if ( it.key() > row ) {
new_map.insert( it.key() - 1, it.data() );
}
else
new_map.insert( it.key(), it.data() );
}
unitComboRows = new_map;
}
int UnitComboBox::findInsertionPoint( const TQString &name )
{
for ( int i = 1; i < count(); i++ ) {
if ( TQString::localeAwareCompare( name, text( i ) ) < 0 )
return i;
}
return count();
}
#include "unitcombobox.moc"
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