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ViewModelArrayAdapter.java
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ViewModelArrayAdapter.java
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/**
* @project RoboMVVM
* @project RoboMVVM(https://github.com/debdattabasu/RoboMVVM)
* @author Debdatta Basu
*
* @license 3-clause BSD license(http:https://opensource.org/licenses/BSD-3-Clause).
* Copyright (c) 2014, Debdatta Basu. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that
* the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.dbasu.robomvvm.viewmodel;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import java.util.List;
/**
* Package private implementation of ArrayAdapter used by {@link ViewModelCollection}.
*/
class ViewModelArrayAdapter<T extends ViewModel> extends ArrayAdapter<T> {
ViewModelArrayAdapter(Context context, List<T> objects) {
super(context, 0, objects);
}
private View getCustomView(int position, View convertView, ViewGroup parent) {
T viewModel = this.getItem(position);
View view = viewModel.convertView(convertView);
if(view != null) return view;
return viewModel.createView(parent);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
return getCustomView(position, convertView, parent);
}
@Override
public View getDropDownView (int position, View convertView, ViewGroup parent) {
return getCustomView(position, convertView, parent);
}
}