/***************************************************************************
 *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
 ***************************************************************************/

#include "dolphinsearchoptionsconfigurator.h"

#include "searchcriterionselector.h"

#include <kcombobox.h>
#include <kicon.h>
#include <klocale.h>
#include <kseparator.h>

#include <QButtonGroup>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QVBoxLayout>

DolphinSearchOptionsConfigurator::DolphinSearchOptionsConfigurator(QWidget* parent) :
    QWidget(parent),
    m_searchFromBox(0),
    m_searchWhatBox(0),
    m_addSelectorButton(0),
    m_vBoxLayout(0)
{
    m_vBoxLayout = new QVBoxLayout(this);

    // add "search" configuration
    QLabel* searchLabel = new QLabel(i18nc("@label", "Search:"));

    m_searchFromBox = new KComboBox(this);
    m_searchFromBox->addItem(i18nc("@label", "Everywhere"));
    m_searchFromBox->addItem(i18nc("@label", "From Here"));

    // add "what" configuration
    QLabel* whatLabel = new QLabel(i18nc("@label", "What:"));

    m_searchWhatBox = new KComboBox(this);
    m_searchWhatBox->addItem(i18nc("@label", "All"));
    m_searchWhatBox->addItem(i18nc("@label", "Images"));
    m_searchWhatBox->addItem(i18nc("@label", "Text"));
    m_searchWhatBox->addItem(i18nc("@label", "Filenames"));

    QWidget* filler = new QWidget(this);

    // add button "Save"
    QPushButton* saveButton = new QPushButton(this);
    saveButton->setText(i18nc("@action:button", "Save"));

    // add "Add selector" button
    m_addSelectorButton = new QPushButton(this);
    m_addSelectorButton->setIcon(KIcon("list-add"));
    m_addSelectorButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    connect(m_addSelectorButton, SIGNAL(clicked()), this, SLOT(addSelector()));

    QHBoxLayout* hBoxLayout = new QHBoxLayout(this);
    hBoxLayout->addWidget(searchLabel);
    hBoxLayout->addWidget(m_searchFromBox);
    hBoxLayout->addWidget(whatLabel);
    hBoxLayout->addWidget(m_searchWhatBox);
    hBoxLayout->addWidget(filler, 1);
    hBoxLayout->addWidget(saveButton);
    hBoxLayout->addWidget(m_addSelectorButton);

    m_vBoxLayout->addWidget(new KSeparator(this));
    m_vBoxLayout->addLayout(hBoxLayout);
    m_vBoxLayout->addWidget(new KSeparator(this));
}

DolphinSearchOptionsConfigurator::~DolphinSearchOptionsConfigurator()
{
}

void DolphinSearchOptionsConfigurator::addSelector()
{
    SearchCriterionSelector* selector = new SearchCriterionSelector(this);
    connect(selector, SIGNAL(removeCriterion()), this, SLOT(removeCriterion()));

    // insert the new selector before the KSeparator at the bottom
    const int index = m_vBoxLayout->count() - 1;
    m_vBoxLayout->insertWidget(index, selector);
    updateSelectorButton();
}

void DolphinSearchOptionsConfigurator::removeCriterion()
{
    QWidget* criterion = qobject_cast<QWidget*>(sender());
    Q_ASSERT(criterion != 0);
    m_vBoxLayout->removeWidget(criterion);
    criterion->deleteLater();

    updateSelectorButton();
}

void DolphinSearchOptionsConfigurator::updateSelectorButton()
{
    const int selectors = m_vBoxLayout->count() - 1;
    m_addSelectorButton->setEnabled(selectors < 10);
}

#include "dolphinsearchoptionsconfigurator.moc"