| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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 flashx.textLayout.property |
| { |
| import flashx.textLayout.debug.assert; |
| import flashx.textLayout.formats.FormatValue; |
| import flashx.textLayout.tlf_internal; |
| |
| use namespace tlf_internal; |
| |
| [ExcludeClass] |
| /** A property description with a Number as its value. @private */ |
| public class IntPropertyHandler extends PropertyHandler |
| { |
| private var _minValue:int; |
| private var _maxValue:int; |
| private var _limits:String; |
| |
| public function IntPropertyHandler(minValue:int,maxValue:int,limits:String = Property.ALL_LIMITS) |
| { |
| _minValue = minValue; |
| _maxValue = maxValue; |
| _limits = limits; |
| } |
| |
| public function get minValue():int |
| { return _minValue; } |
| public function get maxValue():int |
| { return _maxValue; } |
| |
| /** not yet enabled. @private */ |
| public function checkLowerLimit():Boolean |
| { return _limits == Property.ALL_LIMITS || _limits == Property.LOWER_LIMIT; } |
| |
| /** not yet enabled. @private */ |
| public function checkUpperLimit():Boolean |
| { return _limits == Property.ALL_LIMITS || _limits == Property.UPPER_LIMIT; } |
| |
| // return true if this handler can "own" this property |
| public override function owningHandlerCheck(newVal:*):* |
| { |
| var newNumber:Number = newVal is String ? parseInt(newVal) : int(newVal); |
| if (isNaN(newNumber)) |
| return undefined; |
| |
| var newInt:int = int(newNumber) |
| if (checkLowerLimit() && newInt < _minValue) |
| return undefined; |
| if (checkUpperLimit() && newInt > _maxValue) |
| return undefined; |
| return newInt; |
| } |
| |
| } |
| } |