tripolskypetr / qml-flexbox Goto Github PK

function updatePositions() {
    if (flex.height != 0 && flex.width != 0) {
        var rootNode = backend.createNode();
        processNode(flex, rootNode);
        var nodes = []
        var node = {}
        var child = {}
        var i = 0;
        for (i = 0; i !== flex.children.length; i++) {
            child = flex.children[i];

            // remove Repeater components from future layout calculation
            if (child instanceof Repeater) break;

            node = backend.createNode();
            if (isFlex(child)) {
                processNode(child, node);
            } else {
                setDefaultNodeProps(child, node);
            }
            nodes.push(node);
        }
        rootNode.appendChildren(nodes);
        rootNode.calculateLayoutLtr(flex.width, flex.height);
        for (i = 0; i !== flex.children.length; i++) {
            node = nodes[i];
            if (!node) break;
            flex.children[i].x = node.getLayoutLeft();
            flex.children[i].y = node.getLayoutTop();
            flex.children[i].width = node.getLayoutWidth();
            flex.children[i].height = node.getLayoutHeight();
        }
        backend.collectGarbage(rootNode);
        return true;
    } else {
        return false;
    }
}