/*
* Copyright (C) 2012 Paul Burke
*
* 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.ipaulpro.afilechooser;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.TextView;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* List adapter for Files.
*
* @version 2013-12-11
* @author paulburke (ipaulpro)
*/
public class FileListAdapter extends BaseAdapter {
private final static int ICON_FOLDER = R.drawable.ic_folder;
private final static int ICON_FILE = R.drawable.ic_file;
private final LayoutInflater mInflater;
private final boolean mSelectFolder;
private final Activity mActivity;
private final FileListFragment.Callbacks mListener;
private List<File> mData = new ArrayList<File>();
public FileListAdapter(Activity activity, boolean selectFolder, FileListFragment.Callbacks listener) {
mActivity = activity;
mInflater = LayoutInflater.from(activity);
mSelectFolder = selectFolder;
mListener = listener;
}
public void add(File file) {
mData.add(file);
notifyDataSetChanged();
}
public void remove(File file) {
mData.remove(file);
notifyDataSetChanged();
}
public void insert(File file, int index) {
mData.add(index, file);
notifyDataSetChanged();
}
public void clear() {
mData.clear();
notifyDataSetChanged();
}
@Override
public File getItem(int position) {
return mData.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public int getCount() {
return mData.size();
}
public List<File> getListItems() {
return mData;
}
/**
* Set the list items without notifying on the clear. This prevents loss of
* scroll position.
*
* @param data
*/
public void setListItems(List<File> data) {
mData = data;
notifyDataSetChanged();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
if (row == null)
row = mInflater.inflate(R.layout.file, parent, false);
TextView mTextView = (TextView) row.findViewById(R.id.aFileChooser__text);
TextView mCheckBox = (CheckBox) row.findViewById(R.id.aFileChooser__check_box);
// Get the file at the current position
final File file = getItem(position);
// Set the TextView as the file name
mTextView.setText(file.getName());
// If the item is not a directory, use the file icon
int icon = file.isDirectory() ? ICON_FOLDER : ICON_FILE;
mTextView.setCompoundDrawablesWithIntrinsicBounds(icon, 0, 0, 0);
mCheckBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mSelectFolder)
((FileChooserActivity) mActivity).finishWithResult(file);
else
mListener.onFileSelected(file);
}
});
return row;
}
}