/*
* Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.filemanager.adapters;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import com.cyanogenmod.filemanager.R;
import com.cyanogenmod.filemanager.model.Bookmark;
import com.cyanogenmod.filemanager.model.Bookmark.BOOKMARK_TYPE;
import com.cyanogenmod.filemanager.ui.IconHolder;
import com.cyanogenmod.filemanager.ui.ThemeManager;
import com.cyanogenmod.filemanager.ui.ThemeManager.Theme;
import com.cyanogenmod.filemanager.util.BookmarksHelper;
import java.util.List;
/**
* An implementation of {@link ArrayAdapter} for display bookmarks.
*/
public class BookmarksAdapter extends ArrayAdapter<Bookmark> {
/**
* A class that conforms with the ViewHolder pattern to performance
* the list view rendering.
*/
private static class ViewHolder {
/**
* @hide
*/
public ViewHolder() {
super();
}
ImageView mIvIcon;
TextView mTvName;
TextView mTvPath;
ImageButton mBtAction;
}
/**
* A class that holds the full data information.
*/
private static class DataHolder {
/**
* @hide
*/
public DataHolder() {
super();
}
Drawable mDwIcon;
String mName;
String mPath;
Drawable mDwAction;
String mActionCd;
}
private DataHolder[] mData;
private IconHolder mIconHolder;
private final OnClickListener mOnActionClickListener;
//The resource item layout
private static final int RESOURCE_LAYOUT = R.layout.bookmarks_item;
//The resource of the item icon
private static final int RESOURCE_ITEM_ICON = R.id.bookmarks_item_icon;
//The resource of the item name
private static final int RESOURCE_ITEM_NAME = R.id.bookmarks_item_name;
//The resource of the item directory
private static final int RESOURCE_ITEM_PATH = R.id.bookmarks_item_path;
//The resource of the item button action
private static final int RESOURCE_ITEM_ACTION = R.id.bookmarks_item_action;
/**
* Constructor of <code>BookmarksAdapter</code>.
*
* @param context The current context
* @param bookmarks The bookmarks
* @param onActionClickListener The listener for listen action clicks
*/
public BookmarksAdapter(
Context context, List<Bookmark> bookmarks, OnClickListener onActionClickListener) {
super(context, RESOURCE_ITEM_NAME, bookmarks);
this.mIconHolder = new IconHolder();
this.mOnActionClickListener = onActionClickListener;
//Do cache of the data for better performance
processData(bookmarks);
}
/**
* {@inheritDoc}
*/
@Override
public void notifyDataSetChanged() {
processData(null);
super.notifyDataSetChanged();
}
/**
* Method that dispose the elements of the adapter.
*/
public void dispose() {
clear();
this.mData = null;
this.mIconHolder = null;
}
/**
* Method that process the data before use {@link #getView} method.
*
* @param bookmarks The list of bookmarks (to better performance) or null.
*/
private void processData(List<Bookmark> bookmarks) {
this.mData = new DataHolder[getCount()];
int cc = (bookmarks == null) ? getCount() : bookmarks.size();
for (int i = 0; i < cc; i++) {
//Bookmark info
Bookmark bookmark = (bookmarks == null) ? getItem(i) : bookmarks.get(i);
//Build the data holder
this.mData[i] = new BookmarksAdapter.DataHolder();
this.mData[i].mDwIcon =
this.mIconHolder.getDrawable(getContext(), BookmarksHelper.getIcon(bookmark));
this.mData[i].mName = bookmark.mName;
this.mData[i].mPath = bookmark.mPath;
this.mData[i].mDwAction = null;
this.mData[i].mActionCd = null;
if (bookmark.mType.compareTo(BOOKMARK_TYPE.HOME) == 0) {
this.mData[i].mDwAction =
this.mIconHolder.getDrawable(
getContext(), "ic_config_drawable"); //$NON-NLS-1$
this.mData[i].mActionCd =
getContext().getString(R.string.bookmarks_button_config_cd);
} else if (bookmark.mType.compareTo(BOOKMARK_TYPE.USER_DEFINED) == 0) {
this.mData[i].mDwAction =
this.mIconHolder.getDrawable(getContext(),
"ic_close_drawable"); //$NON-NLS-1$
this.mData[i].mActionCd =
getContext().getString(R.string.bookmarks_button_remove_bookmark_cd);
}
}
}
/**
* {@inheritDoc}
*/
@Override
public View getView(int position, View convertView, ViewGroup parent) {
//Check to reuse view
View v = convertView;
if (v == null) {
//Create the view holder
LayoutInflater li =
(LayoutInflater)getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = li.inflate(RESOURCE_LAYOUT, parent, false);
ViewHolder viewHolder = new BookmarksAdapter.ViewHolder();
viewHolder.mIvIcon = (ImageView)v.findViewById(RESOURCE_ITEM_ICON);
viewHolder.mTvName = (TextView)v.findViewById(RESOURCE_ITEM_NAME);
viewHolder.mTvPath = (TextView)v.findViewById(RESOURCE_ITEM_PATH);
viewHolder.mBtAction = (ImageButton)v.findViewById(RESOURCE_ITEM_ACTION);
viewHolder.mBtAction.setTag(Integer.valueOf(position));
v.setTag(viewHolder);
// Apply the current theme
Theme theme = ThemeManager.getCurrentTheme(getContext());
theme.setBackgroundDrawable(
getContext(), v, "selectors_deselected_drawable"); //$NON-NLS-1$
theme.setTextColor(
getContext(), viewHolder.mTvName, "text_color"); //$NON-NLS-1$
theme.setTextColor(
getContext(), viewHolder.mTvPath, "text_color"); //$NON-NLS-1$
}
//Retrieve data holder
final DataHolder dataHolder = this.mData[position];
//Retrieve the view holder
ViewHolder viewHolder = (ViewHolder)v.getTag();
//Set the data
viewHolder.mIvIcon.setImageDrawable(dataHolder.mDwIcon);
viewHolder.mTvName.setText(dataHolder.mName);
viewHolder.mTvPath.setText(dataHolder.mPath);
boolean hasAction = dataHolder.mDwAction != null;
viewHolder.mBtAction.setImageDrawable(hasAction ? dataHolder.mDwAction : null);
viewHolder.mBtAction.setVisibility(hasAction ? View.VISIBLE : View.GONE);
viewHolder.mBtAction.setOnClickListener(this.mOnActionClickListener);
viewHolder.mBtAction.setContentDescription(dataHolder.mActionCd);
//Return the view
return v;
}
/**
* Method that should be invoked when the theme of the app was changed
*/
public void notifyThemeChanged() {
// Empty icon holder
this.mIconHolder = new IconHolder();
}
}