/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/

import QtQuick 1.0
import Bauhaus 1.0

QWidget {
    id: fontComboBox

    property alias currentFont: fontSelector.currentFont
    property variant backendValue
    property variant baseStateFlag;
    property alias enabled: fontSelector.enabled

    onBaseStateFlagChanged: {
        evaluate();
    }

    onBackendValueChanged: {
        evaluate();
    }

    property variant isEnabled: fontComboBox.enabled
    onIsEnabledChanged: {
        evaluate();
    }

    function evaluate() {
        if (!enabled) {
            fontSelector.setStyleSheet("color: "+scheme.disabledColor);
        } else {
            if (baseStateFlag) {
                if (backendValue != null && backendValue.isInModel)
                    fontSelector.setStyleSheet("QComboBox,QComboBox:on{color: "+scheme.changedBaseColor+"}QComboBox:off{color:"+scheme.optionsColor+"}");
                else
                    fontSelector.setStyleSheet("QComboBox,QComboBox:on{color: "+scheme.defaultColor+"}QComboBox:off{color:"+scheme.optionsColor+"}");
            } else {
                if (backendValue != null && backendValue.isInSubState)
                    fontSelector.setStyleSheet("QComboBox,QComboBox:on{color: "+scheme.changedStateColor+"}QComboBox:off{color:"+scheme.optionsColor+"}");
                else
                    fontSelector.setStyleSheet("QComboBox,QComboBox:on{color: "+scheme.defaultColor+"}QComboBox:off{color:"+scheme.optionsColor+"}");
            }
        }
    }

    property bool isInModel: (backendValue === undefined || backendValue === null) ? false: backendValue.isInModel;

    onIsInModelChanged: {
        evaluate();
    }

    property bool isInSubState: (backendValue === undefined || backendValue === null) ? false: backendValue.isInSubState;

    onIsInSubStateChanged: {
        evaluate();
    }

    ColorScheme { id:scheme; }

    layout: HorizontalLayout {
        QFontComboBox {
            editable: false
            id: fontSelector

            currentFont.family: backendValue.value
            property variant fontFamily: currentFont.family
            onFontFamilyChanged: {
                if (backendValue === undefined)
                    return;
                if (backendValue.value != currentFont.family)
                    backendValue.value = currentFont.family;
            }
        }
    }
    ExtendedFunctionButton {
        backendValue: fontComboBox.backendValue
        y: 4
        x: 2
        visible: fontComboBox.enabled
    }
}