diff options
Diffstat (limited to 'src/main/kotlin/pl/treksoft/kvision/utils')
-rw-r--r-- | src/main/kotlin/pl/treksoft/kvision/utils/ObservableList.kt | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/src/main/kotlin/pl/treksoft/kvision/utils/ObservableList.kt b/src/main/kotlin/pl/treksoft/kvision/utils/ObservableList.kt deleted file mode 100644 index bfd018e0..00000000 --- a/src/main/kotlin/pl/treksoft/kvision/utils/ObservableList.kt +++ /dev/null @@ -1,207 +0,0 @@ -/* - * 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.utils - -/** - * Observable list interface. - */ -interface ObservableList<T> : MutableList<T> { - val onUpdate: MutableCollection<(MutableList<T>) -> Unit> -} - -/** - * Simple observable list implementation. - */ -@Suppress("TooManyFunctions") -class ObservableListWrapper<T>(val mutableList: MutableList<T> = mutableListOf()) : MutableList<T>, ObservableList<T> { - - override val onUpdate: MutableCollection<(MutableList<T>) -> Unit> = mutableListOf() - - override val size: Int - get() = mutableList.size - - override fun contains(element: T): Boolean { - return mutableList.contains(element) - } - - override fun containsAll(elements: Collection<T>): Boolean { - return mutableList.containsAll(elements) - } - - override fun get(index: Int): T { - return mutableList[index] - } - - override fun indexOf(element: T): Int { - return mutableList.indexOf(element) - } - - override fun isEmpty(): Boolean { - return mutableList.isEmpty() - } - - override fun iterator(): MutableIterator<T> = object : MutableIterator<T> { - val inner = mutableList.iterator() - override fun hasNext(): Boolean = inner.hasNext() - override fun next(): T = inner.next() - override fun remove() { - inner.remove() - onUpdate.forEach { it(this@ObservableListWrapper) } - } - } - - override fun lastIndexOf(element: T): Int { - return mutableList.lastIndexOf(element) - } - - override fun listIterator(): MutableListIterator<T> = object : MutableListIterator<T> { - val inner = mutableList.listIterator() - - override fun hasNext() = inner.hasNext() - override fun next() = inner.next() - override fun hasPrevious() = inner.hasPrevious() - override fun nextIndex() = inner.nextIndex() - override fun previous() = inner.previous() - override fun previousIndex() = inner.previousIndex() - - override fun add(element: T) { - inner.add(element) - onUpdate.forEach { it(this@ObservableListWrapper) } - } - - override fun set(element: T) { - inner.set(element) - onUpdate.forEach { it(this@ObservableListWrapper) } - } - - override fun remove() { - inner.remove() - onUpdate.forEach { it(this@ObservableListWrapper) } - } - } - - override fun listIterator(index: Int): MutableListIterator<T> = object : MutableListIterator<T> { - val inner = mutableList.listIterator(index) - - override fun hasNext() = inner.hasNext() - override fun next() = inner.next() - override fun hasPrevious() = inner.hasPrevious() - override fun nextIndex() = inner.nextIndex() - override fun previous() = inner.previous() - override fun previousIndex() = inner.previousIndex() - - override fun add(element: T) { - inner.add(element) - onUpdate.forEach { it(this@ObservableListWrapper) } - } - - override fun set(element: T) { - inner.set(element) - onUpdate.forEach { it(this@ObservableListWrapper) } - } - - override fun remove() { - inner.remove() - onUpdate.forEach { it(this@ObservableListWrapper) } - } - } - - override fun subList(fromIndex: Int, toIndex: Int): MutableList<T> { - return mutableList.subList(fromIndex, toIndex) - } - - override fun add(element: T): Boolean { - val result = mutableList.add(element) - if (result) { - onUpdate.forEach { it(this) } - } - return result - } - - override fun add(index: Int, element: T) { - mutableList.add(index, element) - onUpdate.forEach { it(this) } - } - - override fun addAll(elements: Collection<T>): Boolean { - val result = mutableList.addAll(elements) - if (result) { - onUpdate.forEach { it(this) } - } - return result - } - - override fun addAll(index: Int, elements: Collection<T>): Boolean { - val result = mutableList.addAll(index, elements) - if (result) { - onUpdate.forEach { it(this) } - } - return result - } - - override fun clear() { - mutableList.clear() - onUpdate.forEach { it(this) } - } - - override fun remove(element: T): Boolean { - val result = mutableList.remove(element) - if (result) { - onUpdate.forEach { it(this) } - } - return result - } - - override fun removeAt(index: Int): T { - val result = mutableList.removeAt(index) - onUpdate.forEach { it(this) } - return result - } - - override fun removeAll(elements: Collection<T>): Boolean { - val result = mutableList.removeAll(elements) - if (result) { - onUpdate.forEach { it(this) } - } - return result - } - - override fun retainAll(elements: Collection<T>): Boolean { - val result = mutableList.retainAll(elements) - if (result) { - onUpdate.forEach { it(this) } - } - return result - } - - override fun set(index: Int, element: T): T { - val result = mutableList.set(index, element) - onUpdate.forEach { it(this) } - return result - } -} - -/** - * Creates an instance of ObservableList<T> - */ -fun <T> observableListOf(vararg items: T) = ObservableListWrapper(items.toMutableList()) |