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

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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt Designer of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** 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.

**

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

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

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** $QT_END_LICENSE$

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

#include "brushpropertymanager.h"

#include "qtpropertymanager.h"

#include "qtvariantproperty.h"

#include "qtpropertybrowserutils_p.h"

#include <QtCore/QCoreApplication>

#include <QtCore/QVariant>

#include <QtCore/QString>

static const char *brushStyles[] = {

QT_TRANSLATE_NOOP("BrushPropertyManager", "No brush"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Solid"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 1"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 2"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 3"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 4"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 5"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 6"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Dense 7"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Horizontal"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Vertical"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Cross"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Backward diagonal"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Forward diagonal"),

QT_TRANSLATE_NOOP("BrushPropertyManager", "Crossing diagonal"),

};

QT_BEGIN_NAMESPACE

namespace qdesigner_internal {

BrushPropertyManager::BrushPropertyManager()

{

}

int BrushPropertyManager::brushStyleToIndex(Qt::BrushStyle st)

{

    switch (st) {

    case Qt::NoBrush:       return 0;

    case Qt::SolidPattern:  return 1;

    case Qt::Dense1Pattern: return 2;

    case Qt::Dense2Pattern: return 3;

    case Qt::Dense3Pattern: return 4;

    case Qt::Dense4Pattern: return 5;

    case Qt::Dense5Pattern: return 6;

    case Qt::Dense6Pattern: return 7;

    case Qt::Dense7Pattern: return 8;

    case Qt::HorPattern:    return 9;

    case Qt::VerPattern:    return 10;

    case Qt::CrossPattern:  return 11;

    case Qt::BDiagPattern:  return 12;

    case Qt::FDiagPattern:  return 13;

    case Qt::DiagCrossPattern:       return 14;

    default: break;

    }

    return 0;

}

Qt::BrushStyle BrushPropertyManager::brushStyleIndexToStyle(int brushStyleIndex)

{

    switch (brushStyleIndex) {

    case  0: return Qt::NoBrush;

    case  1: return Qt::SolidPattern;

    case  2: return Qt::Dense1Pattern;

    case  3: return Qt::Dense2Pattern;

    case  4: return Qt::Dense3Pattern;

    case  5: return Qt::Dense4Pattern;

    case  6: return Qt::Dense5Pattern;

    case  7: return Qt::Dense6Pattern;

    case  8: return Qt::Dense7Pattern;

    case  9: return Qt::HorPattern;

    case 10: return Qt::VerPattern;

    case 11: return Qt::CrossPattern;

    case 12: return Qt::BDiagPattern;

    case 13: return Qt::FDiagPattern;

    case 14: return Qt::DiagCrossPattern;

    }

    return Qt::NoBrush;

}

const BrushPropertyManager::EnumIndexIconMap &BrushPropertyManager::brushStyleIcons()

{

    // Create a map of icons for the brush style editor

    static EnumIndexIconMap rc;

    if (rc.empty()) {

        const int brushStyleCount = sizeof(brushStyles)/sizeof(const char *);

        QBrush brush(Qt::black);

        const QIcon solidIcon = QtPropertyBrowserUtils::brushValueIcon(brush);

        for (int i = 0; i < brushStyleCount; i++) {

            const Qt::BrushStyle style = brushStyleIndexToStyle(i);

            brush.setStyle(style);

            rc.insert(i, QtPropertyBrowserUtils::brushValueIcon(brush));

        }

    }

    return rc;

}

QString BrushPropertyManager::brushStyleIndexToString(int brushStyleIndex)

{

    const int brushStyleCount = sizeof(brushStyles)/sizeof(const char *);

    return brushStyleIndex < brushStyleCount ? QCoreApplication::translate("BrushPropertyManager", brushStyles[brushStyleIndex]) :  QString();

}

void BrushPropertyManager::initializeProperty(QtVariantPropertyManager *vm, QtProperty *property, int enumTypeId)

{

    m_brushValues.insert(property, QBrush());

    // style

    QtVariantProperty *styleSubProperty = vm->addProperty(enumTypeId, QCoreApplication::translate("BrushPropertyManager", "Style"));

    property->addSubProperty(styleSubProperty);

    QStringList styles;

    const int brushStyleCount = sizeof(brushStyles)/sizeof(const char *);

    for (int i = 0; i < brushStyleCount; i++)

        styles.push_back(QCoreApplication::translate("BrushPropertyManager", brushStyles[i]));

    styleSubProperty->setAttribute(QLatin1String("enumNames"), styles);

    styleSubProperty->setAttribute(QLatin1String("enumIcons"), qVariantFromValue(brushStyleIcons()));

    m_brushPropertyToStyleSubProperty.insert(property, styleSubProperty);

    m_brushStyleSubPropertyToProperty.insert(styleSubProperty, property);

    // color

    QtVariantProperty *colorSubProperty = vm->addProperty(QVariant::Color, QCoreApplication::translate("BrushPropertyManager", "Color"));

    property->addSubProperty(colorSubProperty);

    m_brushPropertyToColorSubProperty.insert(property, colorSubProperty);

    m_brushColorSubPropertyToProperty.insert(colorSubProperty, property);

}

bool BrushPropertyManager::uninitializeProperty(QtProperty *property)

{

    const PropertyBrushMap::iterator brit = m_brushValues.find(property); // Brushes

    if (brit == m_brushValues.end())

        return false;

    m_brushValues.erase(brit);

    // style

    PropertyToPropertyMap::iterator subit = m_brushPropertyToStyleSubProperty.find(property);

    if (subit != m_brushPropertyToStyleSubProperty.end()) {

        QtProperty *styleProp = subit.value();

        m_brushStyleSubPropertyToProperty.remove(styleProp);

        m_brushPropertyToStyleSubProperty.erase(subit);

        delete styleProp;

    }

    // color

    subit = m_brushPropertyToColorSubProperty.find(property);

    if (subit != m_brushPropertyToColorSubProperty.end()) {

        QtProperty *colorProp = subit.value();

        m_brushColorSubPropertyToProperty.remove(colorProp);

        m_brushPropertyToColorSubProperty.erase(subit);

        delete colorProp;

    }

    return true;

}

void BrushPropertyManager::slotPropertyDestroyed(QtProperty *property)

{

    PropertyToPropertyMap::iterator subit = m_brushStyleSubPropertyToProperty.find(property);

    if (subit != m_brushStyleSubPropertyToProperty.end()) {

        m_brushPropertyToStyleSubProperty[subit.value()] = 0;

        m_brushStyleSubPropertyToProperty.erase(subit);

    }

    subit = m_brushColorSubPropertyToProperty.find(property);

    if (subit != m_brushColorSubPropertyToProperty.end()) {

        m_brushPropertyToColorSubProperty[subit.value()] = 0;

        m_brushColorSubPropertyToProperty.erase(subit);

    }

}

BrushPropertyManager::ValueChangedResult BrushPropertyManager::valueChanged(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value)

{

    switch (value.type()) {

    case QVariant::Int: // Style subproperty?

        if (QtProperty *brushProperty = m_brushStyleSubPropertyToProperty.value(property, 0)) {

            const QBrush oldValue = m_brushValues.value(brushProperty);

            QBrush newBrush = oldValue;

            const int index = value.toInt();

            newBrush.setStyle(brushStyleIndexToStyle(index));

            if (newBrush == oldValue)

                return Unchanged;

            vm->variantProperty(brushProperty)->setValue(newBrush);

            return Changed;

        }

        break;

    case QVariant::Color: // Color  subproperty?

        if (QtProperty *brushProperty = m_brushColorSubPropertyToProperty.value(property, 0)) {

            const QBrush oldValue = m_brushValues.value(brushProperty);

            QBrush newBrush = oldValue;

            newBrush.setColor(qvariant_cast<QColor>(value));

            if (newBrush == oldValue)

                return Unchanged;

            vm->variantProperty(brushProperty)->setValue(newBrush);

            return Changed;

        }

        break;

    default:

        break;

    }

    return NoMatch;

}

BrushPropertyManager::ValueChangedResult BrushPropertyManager::setValue(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value)

{

    if (value.type() != QVariant::Brush)

        return NoMatch;

    const PropertyBrushMap::iterator brit = m_brushValues.find(property);

    if (brit == m_brushValues.end())

        return NoMatch;

    const QBrush newBrush = qvariant_cast<QBrush>(value);

    if (newBrush == brit.value())

        return Unchanged;

    brit.value() = newBrush;

    if (QtProperty *styleProperty = m_brushPropertyToStyleSubProperty.value(property))

        vm->variantProperty(styleProperty)->setValue(brushStyleToIndex(newBrush.style()));

    if (QtProperty *colorProperty = m_brushPropertyToColorSubProperty.value(property))

        vm->variantProperty(colorProperty)->setValue(newBrush.color());

    return Changed;

}

bool BrushPropertyManager::valueText(const QtProperty *property, QString *text) const

{

    const PropertyBrushMap::const_iterator brit = m_brushValues.constFind(const_cast<QtProperty *>(property));

    if (brit == m_brushValues.constEnd())

        return false;

    const QBrush &brush = brit.value();

    const QString styleName = brushStyleIndexToString(brushStyleToIndex(brush.style()));

    *text = QCoreApplication::translate("BrushPropertyManager", "[%1, %2]").arg(styleName).arg(QtPropertyBrowserUtils::colorValueText(brush.color()));

    return true;

}

bool BrushPropertyManager::valueIcon(const QtProperty *property, QIcon *icon) const

{

    const PropertyBrushMap::const_iterator brit = m_brushValues.constFind(const_cast<QtProperty *>(property));

    if (brit == m_brushValues.constEnd())

        return false;

    *icon = QtPropertyBrowserUtils::brushValueIcon(brit.value());

    return true;

}

bool BrushPropertyManager::value(const QtProperty *property, QVariant *v) const

{

    const PropertyBrushMap::const_iterator brit = m_brushValues.constFind(const_cast<QtProperty *>(property));

    if (brit == m_brushValues.constEnd())

        return false;

    qVariantSetValue(*v, brit.value());

    return true;

}

}

QT_END_NAMESPACE