/***************************************************************************
*   Copyright (C) 2005 by Raphael Langerhorst <raphael-langerhorst@gmx.at>*
*                                                                         *
*   Permission is hereby granted, free of charge, to any person obtaining *
*   a copy of this software and associated documentation files (the       *
*   "Software"), to deal in the Software without restriction, including   *
*   without limitation the rights to use, copy, modify, merge, publish,   *
*   distribute, sublicense, and/or sell copies of the Software, and to    *
*   permit persons to whom the Software is furnished to do so, subject to *
*   the following conditions:                                             *
*                                                                         *
*   The above copyright notice and this permission notice shall be        *
*   included in all copies or substantial portions of the Software.       *
*                                                                         *
*   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       *
*   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    *
*   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*
*   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR     *
*   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
*   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
*   OTHER DEALINGS IN THE SOFTWARE.                                       *
***************************************************************************/

#include "CalendarToolWidget.h"

#include "SheetsDebug.h"

#include <KoIcon.h>

#include <kdatepicker.h>

#include <QPushButton>
#include <QDate>

namespace Calligra
{
namespace Sheets
{

CalendarToolWidget::CalendarToolWidget(QWidget* parent)
        : QDialog(parent)
{
    setupUi(this);
    this->m_datePicker = 0;

    //we start with a default calendar for the current month;

    QDate first_day_in_month = QDate::currentDate();
    first_day_in_month.setYMD(first_day_in_month.year(), first_day_in_month.month(), 1);

    QDate last_day_in_month(first_day_in_month.year(), first_day_in_month.month(), first_day_in_month.daysInMonth());

    this->m_startDateWidget->setDate(first_day_in_month);
    this->m_endDateWidget->setDate(last_day_in_month);

    const QIcon calendarIcon = koIcon("x-office-calendar");
    this->m_selectStartDateButton->setIcon(calendarIcon);
    this->m_selectEndDateButton->setIcon(calendarIcon);

    connect(this->m_selectStartDateButton, SIGNAL(clicked()), this, SLOT(showStartDatePicker()));
    connect(this->m_selectEndDateButton, SIGNAL(clicked()), this, SLOT(showEndDatePicker()));

    connect(this->m_insertButton, SIGNAL(clicked()), this, SLOT(emitInsertCalendar()));
}

CalendarToolWidget::~CalendarToolWidget()
{
}

bool CalendarToolWidget::buildDatePickerFrame()
{
    delete m_datePicker; //destroyed signal is connected to datePickerDeleted()

    m_datePicker = new KDatePicker();

    Q_ASSERT(m_datePicker);

    if (!m_datePicker)
        return false;

    connect(m_datePicker, SIGNAL(destroyed()), this, SLOT(datePickerDeleted()));

    const QPoint position = mapToGlobal(pos());
    m_datePicker->move(position.x() + this->width(), position.y());
    m_datePicker->show();

    return true;
}

void CalendarToolWidget::datePickerDeleted()
{
    debugSheets << "date picker deleted";
    m_datePicker = 0;
}

void CalendarToolWidget::emitInsertCalendar()
{
    if (m_datePicker)
        m_datePicker->deleteLater();
    emit insertCalendar(startDate(), endDate());
}

void CalendarToolWidget::showStartDatePicker()
{
    if (buildDatePickerFrame()) {
        connect(m_datePicker, SIGNAL(dateSelected(QDate)), this, SLOT(setStartDate(QDate)));
        connect(m_datePicker, SIGNAL(dateEntered(QDate)), this, SLOT(setStartDate(QDate)));
        m_datePicker->setDate(startDate());
    }
}

void CalendarToolWidget::showEndDatePicker()
{
    if (buildDatePickerFrame()) {
        connect(m_datePicker, SIGNAL(dateSelected(QDate)), this, SLOT(setEndDate(QDate)));
        connect(m_datePicker, SIGNAL(dateEntered(QDate)), this, SLOT(setEndDate(QDate)));
        m_datePicker->setDate(endDate());
    }
}

void CalendarToolWidget::setStartDate(const QDate& date)
{
    this->m_startDateWidget->setDate(date);
}

void CalendarToolWidget::setEndDate(const QDate& date)
{
    this->m_endDateWidget->setDate(date);
}

QDate CalendarToolWidget::startDate() const
{
    return this->m_startDateWidget->date();
}

QDate CalendarToolWidget::endDate() const
{
    return this->m_endDateWidget->date();
}

} // namespace Sheets
} // namespace Calligra
