/* * Copyright (c) 2017-present Robert Jaros * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package pl.treksoft.kvision.data import kotlin.properties.ObservableProperty import kotlin.properties.ReadWriteProperty import kotlin.reflect.KProperty /** * Base interface for observable data model. */ interface DataComponent { /** * @suppress * Internal property */ var container: DataUpdatable? /** * @suppress * Internal function for observable properties */ fun obs(initialValue: T): ReadWriteProperty = object : ObservableProperty(initialValue) { override fun afterChange(property: KProperty<*>, oldValue: T, newValue: T) { container?.update() } } } /** * Base abstract class for creating observable data model. */ abstract class BaseDataComponent : DataComponent { override var container: DataUpdatable? = null }