AutomaticGrid.qml

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// SPDX-FileCopyrightText: 2018 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
// SPDX-FileCopyrightText: 2018 Michael Spencer <sonrisesoftware@gmail.com>
// SPDX-License-Identifier: MPL-2.0
 
import QtQuick
 
Grid {
    id: grid
    Accessible.ignored: true
 
    default property alias delegate: repeater.delegate
 
    property real cellWidth
 
    property real cellHeight
 
    property alias model: repeater.model
 
    property real widthOverride: parent.width
 
    property real heightOverride: parent.height
 
    property real minColumnSpacing
 
    columns: {
        var flooredResult = Math.floor(widthOverride / cellWidth);
        if (flooredResult >= 1 && flooredResult <= repeater.count)
            if ((widthOverride - (flooredResult * cellWidth)) / (flooredResult + 1) < minColumnSpacing)
                return flooredResult - 1;
            else
                return flooredResult;
        else if (flooredResult > repeater.count)
            return repeater.count;
        else
            return 1;
    }
 
    columnSpacing: (widthOverride - (columns * cellWidth)) / (columns + 1) < (minColumnSpacing / 2) ? (minColumnSpacing / 2) : (widthOverride - (columns * cellWidth)) / (columns + 1)
    width: widthOverride - 2 * columnSpacing
 
    Repeater {
        id: repeater
    }
}