////  ScriptsModelFilter.cpp//  interface/src////  Created by Thijs Wenker on 01/11/15.//  Copyright 2015 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "ScriptsModelFilter.h" ScriptsModelFilter::ScriptsModelFilter(QObject *parent) :     QSortFilterProxyModel(parent) {} bool ScriptsModelFilter::lessThan(const QModelIndex& left, const QModelIndex& right) const {    ScriptsModel* scriptsModel = static_cast<ScriptsModel*>(sourceModel());    TreeNodeBase* leftNode = scriptsModel->getTreeNodeFromIndex(left);    TreeNodeBase* rightNode = scriptsModel->getTreeNodeFromIndex(right);    if (leftNode->getType() != rightNode->getType()) {        return leftNode->getType() == TREE_NODE_TYPE_FOLDER;    }    return leftNode->getName() < rightNode->getName();} bool ScriptsModelFilter::filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const {    if (!filterRegExp().isEmpty()) {        ScriptsModel* scriptsModel = static_cast<ScriptsModel*>(sourceModel());        TreeNodeBase* node = scriptsModel->getFolderNodes(            static_cast<TreeNodeFolder*>(scriptsModel->getTreeNodeFromIndex(sourceParent))).at(sourceRow);        QModelIndex sourceIndex = sourceModel()->index(sourceRow, this->filterKeyColumn(), sourceParent);        if (node->getType() == TREE_NODE_TYPE_FOLDER) {            int rows = scriptsModel->rowCount(sourceIndex);            for (int i = 0; i < rows; i++) {                if (filterAcceptsRow(i, sourceIndex)) {                    return true;                }            }        }    }    return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);}