| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| package bxf.ui.utils |
| { |
| import flash.display.DisplayObject; |
| |
| /** |
| * Finds the effective stage to be used. Assumes all DisplayObjects share the same stage so once calculated keep using it. |
| */ |
| |
| public function EffectiveStage(obj:DisplayObject):DisplayObject |
| { |
| // safe to test for stage existence |
| if (_effectiveStage == null && obj && obj.stage) |
| { |
| // if the stage is accessible lets use it. |
| try |
| { |
| var x:int = obj.stage.numChildren; |
| _effectiveStage = obj.stage; |
| } |
| catch(e:Error) |
| { |
| // TODO: some way to find the highest level accessible root??? |
| _effectiveStage = obj.root; |
| } |
| } |
| return _effectiveStage; |
| } |
| |
| } |
| |
| import flash.display.DisplayObject; |
| var _effectiveStage:DisplayObject = null; |