| /* |
| * Copyright (C) 2007-2008 Esmertec AG. |
| * Copyright (C) 2007-2008 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.im.app; |
| |
| import com.android.im.R; |
| |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.LayoutInflater; |
| import android.widget.BaseAdapter; |
| import android.widget.ImageView; |
| import android.widget.ListAdapter; |
| import android.widget.TextView; |
| |
| import java.util.List; |
| |
| /** |
| * A general image list adapter. |
| */ |
| public class ImageListAdapter extends BaseAdapter implements ListAdapter { |
| |
| public static interface ImageListItem { |
| public Drawable getDrawable(); |
| |
| public CharSequence getText(); |
| } |
| |
| private final LayoutInflater mInflater; |
| private final List<? extends ImageListItem> mData; |
| private final int mItemViewId; |
| private final int mImageId; |
| private final int mTextId; |
| private final boolean mAreAllItemsSelectable; |
| private final int mSeparatorId; |
| |
| public ImageListAdapter(Context context, List<? extends ImageListItem> data) { |
| this(context, data, R.layout.imglist_item, R.id.image, R.id.text, R.id.separator); |
| } |
| |
| public ImageListAdapter(Context context, List<? extends ImageListItem> data, |
| int itemViewId, int imgId, int textId, int separatorId) { |
| mData = data; |
| mItemViewId = itemViewId; |
| mImageId = imgId; |
| mTextId = textId; |
| mAreAllItemsSelectable = !data.contains(null); |
| mSeparatorId = separatorId; |
| mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| } |
| |
| public int getCount() { |
| return mData.size(); |
| } |
| |
| public Object getItem(int position) { |
| return mData.get(position); |
| } |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| View v; |
| if (convertView == null) { |
| v = mInflater.inflate(mItemViewId, parent, false); |
| } else { |
| v = convertView; |
| } |
| setupView(position, v); |
| return v; |
| } |
| |
| private void setupView(int position, View view) { |
| ImageView iv = (ImageView) view.findViewById(mImageId); |
| TextView tv = (TextView)view.findViewById(mTextId); |
| View separator = view.findViewById(mSeparatorId); |
| |
| if (!isEnabled(position)) { |
| if (iv != null) { |
| iv.setVisibility(View.GONE); |
| } |
| if (tv != null) { |
| tv.setVisibility(View.GONE); |
| } |
| if (separator != null) { |
| separator.setVisibility(View.VISIBLE); |
| } |
| } else { |
| if (separator != null) { |
| separator.setVisibility(View.GONE); |
| } |
| final ImageListItem item = mData.get(position); |
| if (iv != null) { |
| iv.setVisibility(View.VISIBLE); |
| iv.setImageDrawable(item.getDrawable()); |
| } |
| if (tv != null) { |
| tv.setVisibility(View.VISIBLE); |
| tv.setText(item.getText()); |
| } |
| } |
| } |
| |
| @Override |
| public boolean areAllItemsEnabled() { |
| return mAreAllItemsSelectable; |
| } |
| |
| @Override |
| public boolean isEnabled(int position) { |
| return mData.get(position) != null; |
| } |
| |
| } |