DaQuirm/nexus

var nxt = {};

nxt.CommandCellModel = {

    cellStack: [],

    enter: function (cell) {
        var queue = [cell];

        if (cell.cleanup) {
            while (queue.length > 0) {
                var item = queue.shift();
                for (var index = 0; index < item.children.length; index++) {
                    item.children[index].unbind();
                    queue.push(item.children[index]);
                }
            }
            cell.children = [];
        }

        if (this.cellStack.length > 0) {
            var stackTop = this.cellStack[this.cellStack.length - 1];
            stackTop.children.push(cell);
        }

        this.cellStack.push(cell);
    },

    exit: function () {
        this.cellStack.pop();
    }

};

module.exports = nxt.CommandCellModel;