durationfocus.cpp

#include "durationfocus.h"

#include <controldata.h>
#include <domain/schedule.h>
#include <tools/stringexception.h>

using namespace control;

QString DurationFocus::description() const
{
    return "Duration-based focus";
}

bool taskLessThan(domain::Task* left, domain::Task* right)
{
    return left->schedule().duration() < right->schedule().duration();
}

bool DurationFocus::applyFocus(QList<domain::Task*>* tasks)
{
    QString message = "Please enter the minimum and maximum duration "
                      "for the tasks to be shown.\n"
                      "You can disable one or both of the limits by "
                      "unchecking the check boxes.";

    control::data::MinMaxDurationData input;

    try
    {
        input = ui->getMinMaxDuration(message);
    }
    catch (tools::StringException& e)
    {
        ui->showError(e.message());
        return false;
    }

    if (!input.processData)
        return false;

    //sort tasks by duration
    qSort(tasks->begin(), tasks->end(), taskLessThan);

    //filter on min duration
    if (input.minDurationSet)
    {
        while (!tasks->isEmpty() &&
               tasks->first()->schedule().duration() < input.minDuration)
        {
            tasks->removeFirst();
        }
    }

    //filter on max duration
    if (input.maxDurationSet)
    {
        while (!tasks->isEmpty() &&
               tasks->last()->schedule().duration() > input.maxDuration)
        {
            tasks->removeLast();
        }
    }

    return true;
}

Q_EXPORT_PLUGIN2(focus_duration, DurationFocus)

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