commonMain.jetbrains.datalore.base.observable.collections.CollectionAdapter.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lets-plot-common Show documentation

Lets-Plot JVM package without rendering part

There is a newer version: 4.5.3-alpha1

/*
 * Copyright (c) 2020. JetBrains s.r.o.
 * Use of this source code is governed by the MIT license that can be found in the LICENSE file.
 */

package jetbrains.datalore.base.observable.collections

open class CollectionAdapter :
    CollectionListener {
    override fun onItemAdded(event: CollectionItemEvent) {}

    override fun onItemSet(event: CollectionItemEvent) {
        onItemRemoved(
            CollectionItemEvent(
                event.oldItem,
                null,
                event.index,
                CollectionItemEvent.EventType.REMOVE
            )
        )
        onItemAdded(
            CollectionItemEvent(
                null,
                event.newItem,
                event.index,
                CollectionItemEvent.EventType.ADD
            )
        )
    }

    override fun onItemRemoved(event: CollectionItemEvent) {}
}