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//***********************************************************
// Copyright © 2008 Valentin Pavlyuchenko
//
// This file is part of Boltun.
//
// Boltun 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.
//
// Boltun 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 Boltun. If not, see <http://www.gnu.org/licenses/>.
//
//***********************************************************
#include "UnrecentChooser.h"
using namespace std;
UnRecentChooser::UnRecentChooser()
:last(-1), min(-1), newItemsPrio(-1), maxOldPrio(-1)
{
}
void UnRecentChooser::AddChoice(tstring value, float prio)
{
if (items.count(value) != 0)
{
int val = (int)items[value];
oldItems.insert(make_pair(val, value));
oldPrios.insert(make_pair(value, prio));
if (min > val || min == -1)
min = val;
if (maxOldPrio < prio)
maxOldPrio = prio;
}
else
{
if (prio > newItemsPrio)
{
newItems.push_back(value);
newItemsPrio = prio;
}
}
}
tstring UnRecentChooser::Choose()
{
tstring res;
//Find answer
if (newItemsPrio != -1)
{
int num = rand() % newItems.size();
res = newItems[num];
}
else
if (min == -1)
res = _T("");
else
{
float minprio = maxOldPrio / 1.5F;
while (oldPrios[oldItems[min]] < minprio)
min++;
res = oldItems[min];
}
//Clean items
min = -1;
newItemsPrio = -1;
maxOldPrio = -1;
oldItems.clear();
oldPrios.clear();
newItems.clear();
return res;
}
void UnRecentChooser::SaveChoice(tstring choice)
{
//Add answer
if (items.find(choice) != items.end())
{
for (vector<tstring>::iterator it = itemsList.begin(); it != itemsList.end(); it++)
if (*it == choice)
{
itemsList.erase(it);
break;
}
}
items[choice] = ++last;
itemsList.push_back(choice);
if (itemsList.size() > maxItems)
{
items.erase(*itemsList.begin());
itemsList.erase(itemsList.begin());
}
}
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