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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed 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 com.android.setupwizardlib.items;
import android.content.Context;
import android.util.AttributeSet;
/**
* Abstract implementation of an item, which implements {@link IItem} and takes care of implementing
* methods for {@link ItemHierarchy} for items representing itself.
*/
public abstract class AbstractItem extends AbstractItemHierarchy implements IItem {
public AbstractItem() {
super();
}
public AbstractItem(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public int getCount() {
return 1;
}
@Override
public IItem getItemAt(int position) {
return this;
}
@Override
public ItemHierarchy findItemById(int id) {
if (id == getId()) {
return this;
}
return null;
}
/**
* Convenience method to notify the adapter that the contents of this item has changed. This
* only includes non-structural changes. Changes that causes the item to be removed should use
* the other notification methods.
*
* @see #notifyItemRangeChanged(int, int)
* @see #notifyItemRangeInserted(int, int)
* @see #notifyItemRangeRemoved(int, int)
*/
public void notifyItemChanged() {
notifyItemRangeChanged(0, 1);
}
}
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