/*
 *   Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2 (or,
 *   at your option, any later version) as published by the Free Software
 *   Foundation
 *
 *   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 Library 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 "kcategorizeditemsview.h"
#include "kcategorizeditemsviewdelegate.h"

#include <KIcon>
#include <KDebug>
#include <KAction>
#include <KStandardAction>

KCategorizedItemsView::KCategorizedItemsView(QWidget * parent, Qt::WindowFlags f)
        : QWidget(parent, f), m_modelCategories(NULL), m_modelFilters(NULL),
        m_modelItems(NULL), m_modelFilterItems(NULL), m_delegate(NULL)
{
    setupUi(this);
    textSearch->setClickMessage(i18n("Enter search phrase here"));

    connect(textSearch, SIGNAL(textChanged(QString)),
            this, SLOT(searchTermChanged(QString)));
    connect(comboFilters, SIGNAL(currentIndexChanged(int)),
            this, SLOT(filterChanged(int)));
    
    connect (itemsView, SIGNAL(activated(const QModelIndex &)),
                  this, SIGNAL(activated(const QModelIndex &)));
    
    connect (itemsView, SIGNAL(clicked(const QModelIndex &)),
                  this, SIGNAL(clicked(const QModelIndex &)));
    connect (itemsView, SIGNAL(entered(const QModelIndex &)),
                  this, SIGNAL(entered(const QModelIndex &)));
    connect (itemsView, SIGNAL(pressed(const QModelIndex &)),
                  this, SIGNAL(pressed(const QModelIndex &)));

    itemsView->header()->setVisible(false);
    
    itemsView->setItemDelegate(m_delegate = new KCategorizedItemsViewDelegate(this));
    
    comboFilters->setItemDelegate(new KCategorizedItemsViewFilterDelegate(this));
    
    itemsView->viewport()->setAttribute(Qt::WA_Hover);

    QAction * find = KStandardAction::find(textSearch, SLOT(setFocus()), this);
    addAction(find);
    resizeEvent(NULL);
}

KCategorizedItemsView::~KCategorizedItemsView() {
    delete m_modelFilterItems;
    delete m_delegate;
}

void KCategorizedItemsView::paintEvent ( QPaintEvent * event ) {
    Q_UNUSED(event);
    resizeEvent(NULL);
}

void KCategorizedItemsView::resizeEvent ( QResizeEvent * event ) {
    Q_UNUSED(event);
    if (m_viewWidth == itemsView->viewport()->width()) return;
    m_viewWidth = itemsView->viewport()->width();
    itemsView->setColumnWidth(0, m_delegate->columnWidth(0, m_viewWidth));
    itemsView->setColumnWidth(1, m_delegate->columnWidth(1, m_viewWidth));
}

void KCategorizedItemsView::setFilterModel(QStandardItemModel * model)
{
    comboFilters->setModel(model);
    m_modelFilters = model;
}

void KCategorizedItemsView::setItemModel(QStandardItemModel * model)
{
    if (!m_modelFilterItems) m_modelFilterItems = new DefaultItemFilterProxyModel(this);

    m_modelItems = model;
    m_modelFilterItems->setSourceModel(m_modelItems);

    itemsView->setModel(m_modelFilterItems);
}

void KCategorizedItemsView::searchTermChanged(const QString & text)
{
    kDebug() << "EVENT\n" << text;
    if (m_modelFilterItems) {
        m_modelFilterItems->setSearch(text);
    }
}

void KCategorizedItemsView::filterChanged(int index)
{
    if (m_modelFilterItems) {
        QVariant data = m_modelFilters->item(index)->data();
        m_modelFilterItems->setFilter(qVariantValue<KCategorizedItemsViewModels::Filter>(data));
    }
}

void KCategorizedItemsView::addEmblem(const QString & title, QIcon * icon, const Filter & filter) {
    m_emblems[title] = QPair<Filter, QIcon *>(filter, icon);
}

void KCategorizedItemsView::clearEmblems() {
    m_emblems.clear();
}

#include "kcategorizeditemsview.moc"