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** This file is part of the Qt Quick Controls module of the Qt Toolkit.
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import QtQuick 2.1
import HelperWidgets 2.0

Row {
    id: alignmentHorizontalButtons

    RoundedPanel {
        width: 14
        height: parent.height
        roundLeft: true
        ExtendedFunctionButton {
            anchors.verticalCenter: parent.verticalCenter
            backendValue: alignmentHorizontalButtons.backendValue
        }
    }

    property bool blueHighlight: false

    property variant backendValue: backendValues.horizontalAlignment;

    property variant value: backendValue.enumeration

    property bool baseStateFlag: isBaseState;

    onValueChanged: {
        if (value !== undefined) {
            if (value === "AlignLeft") {
                buttonRow.initalChecked = 0
                buttonRow.checkedIndex = 0
            } else if (value === "AlignHCenter") {
                buttonRow.initalChecked = 1
                buttonRow.checkedIndex = 1
            } else if (value === "AlignRight") {
                buttonRow.initalChecked = 2
                buttonRow.checkedIndex = 2
            }
        }
        evaluate()
    }

    property bool isInModel: backendValue.isInModel;
    onIsInModelChanged: {
        evaluate();
    }
    property bool isInSubState: backendValue.isInSubState;
    onIsInSubStateChanged: {
        evaluate();
    }

    function evaluate() {
        if (baseStateFlag) {
            if (backendValue !== null && backendValue.isInModel)
                blueHighlight = true;
            else
                blueHighlight = false;
        } else {
            if (backendValue !== null && backendValue.isInSubState)
                blueHighlight = true;
            else
                blueHighlight = false;
        }
    }

    ButtonRow {
        id: buttonRow
        exclusive: true

        ButtonRowButton {
            roundLeftButton: false
            iconSource: blueHighlight ? "images/alignmentleft-h-icon.png" : "images/alignmentleft-icon.png"
            onClicked: {
                if (checked)
                    backendValue.setEnumeration("Text", "AlignLeft")
            }
        }
        ButtonRowButton {
            iconSource:  blueHighlight ? "images/alignmentcenterh-h-icon.png" : "images/alignmentcenterh-icon.png"
            onClicked: {
                if (checked)
                    backendValue.setEnumeration("Text", "AlignHCenter")
            }
        }
        ButtonRowButton {
            iconSource: blueHighlight ? "images/alignmentright-h-icon.png" : "images/alignmentright-icon.png"
            onClicked: {
                if (checked)
                    backendValue.setEnumeration("Text", "AlignRight")
            }
        }
    }
}
