/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbApps module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include <hbmainwindow.h>

#include <hbaction.h>

#include <hbtoolbar.h>

#include <hbdataform.h>

#include <hbdataformmodel.h>

#include <hbdataformmodelitem.h>

#include <QGraphicsLinearLayout>

#include <hbthemeutils_p.h>

#include <hbcombobox.h>

#include <hbmessagebox.h>

#include <hbiconitem.h>

#include <hbthemeutils_p.h>

#include <QDir>

#include "resourceview.h"

#include <hbsearchpanel.h>

#include <hbtumbleview.h>

#include <hblabel.h>

#include <hbcolorscheme.h>

#include <hbiconanimator.h>

#include <hbiconanimationmanager.h>

/**

 * Constructor

 */

ResourceView::ResourceView(HbMainWindow *mainWindow, HbView* parent): HbView(parent)

{

    mMainWindow = mainWindow;

    mParentView = parent;

    QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);

    this->setTitle(tr("Resource lookup"));

    HbAction *act = new HbAction(Hb::BackNaviAction);

    connect(act, SIGNAL(triggered()), this, SLOT(close()));

    this->setNavigationAction(act);

    act = new HbAction(tr("Icons"));

        connect(act, SIGNAL(triggered()), this, SLOT(iconModeSelected()));

        this->toolBar()->addAction(act);

    act = new HbAction(tr("Colors"));

        connect(act, SIGNAL(triggered()), this, SLOT(colorModeSelected()));

        this->toolBar()->addAction(act);

    act = new HbAction(tr("Effects"));

        connect(act, SIGNAL(triggered()), this, SLOT(effectModeSelected()));

        this->toolBar()->addAction(act);

    act = new HbAction(tr("Animations"));

        connect(act, SIGNAL(triggered()), this, SLOT(animationModeSelected()));

        this->toolBar()->addAction(act);

    loadThemedIcons();

    loadThemedColors();

    loadThemedEffects();

    loadThemedAnimations();

    mAnimator = new HbIconAnimator();

    mResourceItem = new HbLabel(this);

    mResourceItem->setIcon(HbIcon(mThemedIcons.size()?mThemedIcons[0]:""));

    mResourceItem->setAlignment(Qt::AlignCenter);

    mResourceItem->setFontSpec(HbFontSpec(HbFontSpec::Secondary));

    mResourcesList = new HbTumbleView(mThemedIcons, this);

    layout->addItem(mResourceItem);

    layout->addItem(mResourcesList);

    mSearchPanel = new HbSearchPanel(this);

    mSearchPanel->setCancelEnabled(false);

    mSearchPanel->setPlaceholderText(tr("Search"));

    layout->addItem(mSearchPanel);

    this->setLayout(layout);

    connect(mSearchPanel, SIGNAL(criteriaChanged(const QString &)), this, SLOT(criteriaChanged(const QString &)));

    connect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(iconItemSelected(int)));

    mMode = iconMode;

    mMainWindow->addView(this);

}

/**

 * Destructor

 */

ResourceView::~ResourceView()

{

    delete mAnimator;

}

void ResourceView::close()

{

    mMainWindow->setCurrentView(mParentView);

}

void ResourceView::toggleMode(ListMode mode)

{

    if (mode == mMode) {

        return;

    }

    switch (mMode) {

    case colorMode:

        disconnect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(colorItemSelected(int)));

        break;

    case iconMode:

        disconnect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(iconItemSelected(int)));

        break;

    case effectMode:

        mResourcesList->setSelected(0);

        disconnect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(effectItemSelected(int)));

        break;

    case animationMode:

        mResourcesList->setSelected(0);

        disconnect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(animationItemSelected(int)));

        break;

    default:

        break;

    }

    mMode = mode;

    switch (mode) {

    case colorMode:

        connect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(colorItemSelected(int)));

        mSearchPanel->setCriteria("");

        mResourcesList->setSelected(0);

        break;

    case iconMode:

        connect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(iconItemSelected(int)));

        mSearchPanel->setCriteria("");

        mResourcesList->setSelected(0);

        break;

    case effectMode:

        connect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(effectItemSelected(int)));

        mSearchPanel->setCriteria("");

        mResourcesList->setSelected(0);

        break;

    case animationMode:

        connect(mResourcesList, SIGNAL(itemSelected(int)), this, SLOT(animationItemSelected(int)));

        mSearchPanel->setCriteria("");

        mResourcesList->setSelected(0);

        break;

    default:

        break;

    }

}

void ResourceView::loadThemedIcons()

{

    mThemedIcons.clear();

    QString basetheme = HbThemeUtils::getThemeSetting(HbThemeUtils::BaseThemeSetting);

    QDir scalableIconsDir(basetheme + "/scalable");

    QDir pixmapIconsDir(basetheme + "/pixmap");

    QFileInfoList files = scalableIconsDir.entryInfoList(QDir::Files);

    files += pixmapIconsDir.entryInfoList(QDir::Files);

    // Strip the file extensions

    for (int i=0;i<files.count();i++) {

       mThemedIcons += files[i].baseName();

    }

}

void ResourceView::loadThemedEffects()

{

    mThemedEffects.clear();

    QString basetheme = HbThemeUtils::getThemeSetting(HbThemeUtils::BaseThemeSetting);

    basetheme = basetheme.replace("/icons/", "/effects/");

    QDir effectsDir(basetheme);

    QFileInfoList files = effectsDir.entryInfoList(QDir::Files);

    // Strip the file extensions

    for (int i=0;i<files.count();i++) {

       mThemedEffects += files[i].baseName();

    }

}

void ResourceView::loadThemedAnimations()

{

    mThemedAnimations.clear();

    QString basetheme = HbThemeUtils::getThemeSetting(HbThemeUtils::BaseThemeSetting);

    basetheme = basetheme.replace("/icons/", "/animations/");

    QDir animationsDir(basetheme);

    QFileInfoList files = animationsDir.entryInfoList(QDir::Files);

    // Add animation definitions and strip the file extensions

    for (int i=0;i<files.count();i++) {

       HbIconAnimationManager::global()->addDefinitionFile(files[i].fileName());

       mThemedAnimations += files[i].baseName();

    }

}

void ResourceView::loadThemedColors()

{

    mThemedColors.clear();

    QString basetheme = HbThemeUtils::getThemeSetting(HbThemeUtils::BaseThemeSetting);

    basetheme = basetheme.replace("/icons/", "/style/");

    QFile file(basetheme + "/variables/color/hbcolorgroup.css");

    if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {

        QTextStream in(&file);

        while(!in.atEnd()) {

            QString line = in.readLine().trimmed();

            if (line.startsWith("qtc_")) {

                // Extract logical name

                mThemedColors += line.mid(0, line.indexOf(':')).trimmed();

            }

        }

        file.close();

    }

}

void ResourceView::iconModeSelected()

{

    toggleMode(iconMode);

}

void ResourceView::colorModeSelected()

{

    toggleMode(colorMode);

}

void ResourceView::effectModeSelected()

{

    toggleMode(effectMode);

}

void ResourceView::animationModeSelected()

{

    toggleMode(animationMode);

}

void ResourceView::iconItemSelected(int index)

{

    mResourceItem->setIcon(HbIcon(mResourcesList->items()[index]));

}

void ResourceView::animationItemSelected(int index)

{

    mResourceItem->setIcon(HbIcon(mResourcesList->items()[index]));

    mAnimator->setIcon(mResourceItem->icon());

    mAnimator->startAnimation();

}

void ResourceView::colorItemSelected(int index)

{

    QString rgbValue("#");

    rgbValue += QString::number(HbColorScheme::color(mResourcesList->items()[index]).red(), 16);

    rgbValue += QString::number(HbColorScheme::color(mResourcesList->items()[index]).green(), 16);

    rgbValue += QString::number(HbColorScheme::color(mResourcesList->items()[index]).blue(), 16);

    mResourceItem->setPlainText(rgbValue.toUpper());

}

void ResourceView::effectItemSelected(int index)

{

    HbEffect::add(mResourceItem,mResourcesList->items()[index],"selected");

    HbEffect::start(mResourceItem,"selected");

}

void ResourceView::criteriaChanged(const QString &criteria)

{

    QStringList filteredItems;

    switch (mMode) {

    case iconMode:

        filteredItems = mThemedIcons.filter(criteria.toLower());

        break;

    case colorMode:

        filteredItems = mThemedColors.filter(criteria.toLower());

        break;

    case effectMode:

        filteredItems = mThemedEffects.filter(criteria.toLower());

        break;

    case animationMode:

        filteredItems = mThemedAnimations.filter(criteria.toLower());

        break;

    default:

        break;

    }

    mResourcesList->setItems(filteredItems);

}