C++ Q3ValueList::remove方法代码示例

/*!
 * Undo marks deleted current element or group (with subgroups).
 * \param item (in) - marked deleted element or group item.
 */
void CatalogForm::undo_mark_deleted( Q3ListViewItem * item )
{
	qulonglong id = getElementId(item);
	if(id)
	{
	  	cat->select(id);
		if(cat->First())
		{
			cat->setMarkDeletedElement(id,false);
			item->setPixmap(0,getElementPixmap());
		}
   	}
	else
	{
		id = getGroupId(item);
		if(id)
		{
		  // cat->select(QString("id=%1").arg(id),md_group);
		   //if(cat->FirstInGroupTable())
			Q3ValueList<qulonglong> listDeletedId;
		   //	cat->setMarkDeletedGroup(id, listDeletedId,false);
	   		cat->getMarkDeletedList(id, listDeletedId);
			Q3ValueList<qulonglong>::iterator it = listDeletedId.begin();
			while(it != listDeletedId.end()) //first delete elements in this group
			{
				if(map_el.contains(*it))
				{
					map_el[*it]->setPixmap(0, getElementPixmap());
					cat->setMarkDeletedElement(*it,false);
					it = listDeletedId.remove(it);
				}
				else
				{
					++it;
				}
			}
			it = listDeletedId.begin();
			while(it != listDeletedId.end()) //second delete groups
			{
				if(map_gr.contains(*it))
				{
					map_gr[*it]->setPixmap(0, getGroupPixmap());
					cat->setMarkDeletedGroup(*it,false);
					it = listDeletedId.remove(it);
					//map_el[*it]->invalidateHeight();// setHeight(10);
				}
				else
				{
					++it;
				}
			}
		}
	}
}

/*!
 * Marks deleted current element or group (with subgroups).
 * While for mark deleted items sets ahother pixmap only.
 * \param item (in) - marked deleted element or group item.
 */
void CatalogForm::mark_deleted( Q3ListViewItem * item )
{
   qulonglong id = getElementId(item);
   if(id)
   {
   	cat->select(id);
//	cat->setSelected(true);
	if(cat->First())
	{
		cat->setMarkDeletedElement(id,true);
		item->setPixmap(0,getMarkDeletedPixmap());
	}
   }
   else
   {
	id = getGroupId(item);
	if(id)
	{
		loadElements(id); // populate items in group
		Q3ValueList<qulonglong> listDeletedId;
		cat->getMarkDeletedList(id,listDeletedId);
		Q3ValueList<qulonglong>::iterator it = listDeletedId.begin();
		while(it != listDeletedId.end()) //first delete elements in this group
		{
			if(map_el.contains(*it))
		    	{
				map_el[*it]->setPixmap(0, getMarkDeletedPixmap());
				cat->setMarkDeletedElement(*it,true);
				it = listDeletedId.remove(it);
			}
			else
			{
				++it;
			}
		}
		it = listDeletedId.begin();
		while(it != listDeletedId.end()) //second delete groups
		{
			if(map_gr.contains(*it))
			{
				map_gr[*it]->setPixmap(0, getMarkDeletedPixmap());
				cat->setMarkDeletedGroup(*it,true);
				it = listDeletedId.remove(it);
				//map_el[*it]->invalidateHeight();// setHeight(10);
			}
			else
			{
				++it;
			}
		}
	}
   }
}

void tst_Q3ValueList::remove()
{
    {
        Q3ValueList<int> a;
        a.append( 1 );
        a.append( 10 );
        a.append( 100 );
        a.append( 1000 );
        a.append( 1000 );
        a.append( 10000 );

        QCOMPARE( (uint)a.remove(100), (uint)1 );
        QCOMPARE( (uint)a.remove(1000), (uint)2 );
        QCOMPARE( (int)a.first(), 1 );
        QCOMPARE( (int)a.last(), 10000 );

        a.remove( a.at(0) );
        QCOMPARE( (int)a.first(), 10 );
        QCOMPARE( (int)a.last(), 10000 );

        a.remove( a.at(1) );
        QCOMPARE( (int)a.first(), 10 );
        QCOMPARE( (int)a.last(), 10 );
    }
    {
        Q3ValueList<int> a;
        a.append( 1 );
        a.append( 10 );
        a.append( 100 );
        a.append( 1000 );
        a.append( 10000 );

        Q3ValueList<int>::Iterator it = a.begin();
        ++it;
        QVERIFY(*it == 10);
        it = a.remove(it);
        QVERIFY(*it == 100);
        it = a.remove(it);
        QVERIFY(*it == 1000);
        it = a.remove(it);
        QVERIFY(*it == 10000);
        it = a.remove(it);
        QVERIFY(it == a.end());
    }
}

void DietWizardDialog::createDiet( void )
{
	KApplication::setOverrideCursor( Qt::WaitCursor );

	START_TIMER("Creating the diet");

	RecipeList rlist;
	dietRList->clear();

	// Get the whole list of recipes, detailed
	int flags = RecipeDB::Title | getNecessaryFlags();
	database->loadRecipes( &rlist, flags );

	// temporal iterator list so elements can be removed without reloading them again from the DB
	// this list prevents the same meal from showing up in the same day twice
	Q3ValueList <RecipeList::Iterator> tempRList;

	bool alert = false;

	for ( int day = 0;day < dayNumber;day++ )  // Create the diet for the number of days defined by the user
	{
		populateIteratorList( rlist, &tempRList ); // temporal iterator list so elements can be removed without reloading them again from the DB
		for ( int meal = 0;meal < mealNumber;meal++ )
		{
			int dishNo = ( ( MealInput* ) ( mealTabs->widget( meal ) ) ) ->dishNo();

			for ( int dish = 0;dish < dishNo;dish++ ) {
				bool found = false;
				Q3ValueList <RecipeList::Iterator> tempDishRList = tempRList;
				while ( ( !found ) && !tempDishRList.empty() ) {
					int random_index = ( int ) ( ( float ) ( KRandom::random() ) / ( float ) RAND_MAX * tempDishRList.count() );
					Q3ValueList<RecipeList::Iterator>::Iterator iit = tempDishRList.at( random_index ); // note that at() retrieves an iterator to the iterator list, so we need to use * in order to get the RecipeList::Iterator

					RecipeList::Iterator rit = *iit;
					if ( found = ( ( ( !categoryFiltering( meal, dish ) ) || checkCategories( *rit, meal, dish ) ) && checkConstraints( *rit, meal, dish ) ) )  // Check that the recipe is inside the constraint limits and in the categories specified
					{
						dietRList->append( *rit ); // Add recipe to the diet list
						tempRList.remove( tempRList.find(*iit) ); //can't just remove()... the iterator isn't from this list (its an iterator from tempDishRList)
					}
					else {
						tempDishRList.remove( iit ); // Remove this analized recipe from teh list
					}
				}
				if ( !found )
					alert = true;
			}
		}
	}

	if ( alert ) {
		KApplication::restoreOverrideCursor();
		KMessageBox::sorry( this, i18nc( "@info", "Given the constraints, a full diet list could not be constructed. Either the recipe list is too short or the constraints are too demanding. " ) );
	}

	else // show the resulting diet
	{

		// make a list of dishnumbers
		QList<int> dishNumbers;

		for ( int meal = 0;meal < mealNumber;meal++ ) {
			int dishNo = ( ( MealInput* ) ( mealTabs->widget( meal ) ) ) ->dishNo();
			dishNumbers << dishNo;
		}

		KApplication::restoreOverrideCursor();

		// display the list
		QPointer<DietViewDialog> dietDisplay = new DietViewDialog( this, *dietRList, dayNumber, mealNumber, dishNumbers );
		connect( dietDisplay, SIGNAL( signalOk() ), this, SLOT( createShoppingList() ) );
		dietDisplay->exec();
		delete dietDisplay;
	}

	END_TIMER();
}