/*
* 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.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.TextView;
import com.cyanogenmod.filemanager.R;
import com.cyanogenmod.filemanager.ui.ThemeManager;
import com.cyanogenmod.filemanager.ui.ThemeManager.Theme;
/**
* An implementation of {@link SimpleMenuListAdapter} for showing
* {@link Menu} in a two columns.
*/
public class TwoColumnsMenuListAdapter extends SimpleMenuListAdapter
implements OnClickListener, OnLongClickListener {
private OnItemClickListener mOnItemClickListener;
private OnItemLongClickListener mOnItemLongClickListener;
private final Context mContext;
/**
* Constructor of <code>TwoColumnsMenuListAdapter</code>.
*
* @param context The current context
* @param menuResourceId The resource identifier
*/
public TwoColumnsMenuListAdapter(Context context, int menuResourceId) {
super(context, menuResourceId);
this.mContext = context;
//Separators are not support in this kind of adapter
removeSeparators();
}
/**
* Constructor of <code>TwoColumnsMenuListAdapter</code><br/>
* <br/>.
* This constructors uses only the menus of the group passed
*
* @param context The current context
* @param menuResourceId The resource identifier
* @param menuGroupResourceId The menu group resource identifier
*/
public TwoColumnsMenuListAdapter(
Context context, int menuResourceId, int menuGroupResourceId) {
super(context, menuResourceId, menuGroupResourceId);
this.mContext = context;
//Separators are not support in this kind of adapter
removeSeparators();
}
/**
* Method that sets the listener for click events.
*
* @param onItemClickListener The listener reference
*/
public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
this.mOnItemClickListener = onItemClickListener;
}
/**
* Method that sets the listener for long click events.
*
* @param onItemLongClickListener The listener reference
*/
public void setOnItemLongClickListener(OnItemLongClickListener onItemLongClickListener) {
this.mOnItemLongClickListener = onItemLongClickListener;
}
/**
* Method that remove all separator menu items.
*/
private void removeSeparators() {
Menu menu = getMenu();
int cc = menu.size();
for (int i = cc - 1; i >= 0; i--) {
MenuItem menuItem = menu.getItem(i);
if (menuItem.getTitle() == null || menuItem.getTitle().length() == 0) {
menu.removeItem(menuItem.getItemId());
}
}
}
/**
* {@inheritDoc}
*/
@Override
public int getCount() {
int count = getMenu().size() / 2;
if (getMenu().size() % 2 != 0) {
count++;
}
return count;
}
/**
* {@inheritDoc}
*/
@Override
public MenuItem getItem(int position) {
return getMenu().getItem(position * 2);
}
/**
* Method that returns the {@link MenuItem} reference from
* his identifier.
*
* @param id The identifier of the item menu
* @return MenuItem The reference. <code>null</code> if not found.
*/
public MenuItem getItemById(int id) {
return getMenu().findItem(id);
}
/**
* Method that returns the second reference of the row data.
*
* @param position The row position
* @return The second reference data (if exists) at the specified position.
*/
public MenuItem getItem2(int position) {
if ((position * 2) + 1 >= getMenu().size()) {
return null;
}
return getMenu().getItem((position * 2) + 1);
}
/**
* {@inheritDoc}
*/
@Override
public long getItemId(int position) {
return getMenu().getItem(position).getItemId();
}
/**
* Method that returns the identifier of the second reference of the row data.
*
* @param position The row position
* @return The second reference identifier at the specified position. If not
* exists the returned identifier is <code>-1</code>
*/
public long getItemId2(int position) {
if ((position * 2) + 1 >= getMenu().size()) {
return -1;
}
return getMenu().getItem((position * 2) + 1).getItemId();
}
/**
* {@inheritDoc}
*/
@Override
@SuppressWarnings("boxing")
public View getView(int position, View convertView, ViewGroup parent) {
//Recovers the menu item
MenuItem menuItem1 = getItem(position);
MenuItem menuItem2 = getItem2(position);
//Recovery the
View v = this.mInflater.inflate(R.layout.two_columns_menu_item, parent, false);
//Set the item1
TextView tvText1 = (TextView)v.findViewById(R.id.two_columns_menu1_item_text);
tvText1.setText(menuItem1.getTitle());
tvText1.setEnabled(menuItem1.isEnabled());
tvText1.setVisibility(menuItem1.isVisible() ? View.VISIBLE : View.GONE);
tvText1.setOnClickListener(this);
tvText1.setOnLongClickListener(this);
tvText1.setTag(String.format("%d|%d", position, menuItem1.getItemId())); //$NON-NLS-1$
//Set the item2 if exists
TextView tvText2 = (TextView)v.findViewById(R.id.two_columns_menu2_item_text);
if (menuItem2 != null) {
tvText2.setText(menuItem2.getTitle());
tvText2.setEnabled(menuItem2.isEnabled());
tvText2.setVisibility(menuItem2.isVisible() ? View.VISIBLE : View.GONE);
tvText2.setOnClickListener(this);
tvText2.setOnLongClickListener(this);
tvText2.setTag(String.format("%d|%d", position, menuItem2.getItemId())); //$NON-NLS-1$
} else {
tvText2.setBackground(null);
tvText2.setClickable(false);
tvText2.setOnClickListener(null);
tvText2.setOnLongClickListener(null);
}
// Divider
TextView divider = (TextView)((ViewGroup)v).getChildAt(1);
// Apply the current theme
Theme theme = ThemeManager.getCurrentTheme(this.mContext);
theme.setBackgroundDrawable(this.mContext, v, "background_drawable"); //$NON-NLS-1$
theme.setTextColor(this.mContext, tvText1, "text_color"); //$NON-NLS-1$
theme.setTextColor(this.mContext, tvText2, "text_color"); //$NON-NLS-1$
theme.setBackgroundDrawable(this.mContext, divider, "vertical_divider_drawable"); //$NON-NLS-1$
//Return the view
return v;
}
/**
* {@inheritDoc}
*/
@Override
@SuppressWarnings("unchecked")
public boolean onLongClick(View v) {
if (this.mOnItemLongClickListener != null) {
String[] data = v.getTag().toString().split("[|]"); //$NON-NLS-1$
return this.mOnItemLongClickListener.onItemLongClick(
(AdapterView<TwoColumnsMenuListAdapter>)v.getParent().getParent(),
v, Integer.parseInt(data[0]), Long.parseLong(data[1]));
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
@SuppressWarnings("unchecked")
public void onClick(View v) {
if (this.mOnItemClickListener != null) {
String[] data = v.getTag().toString().split("[|]"); //$NON-NLS-1$
this.mOnItemClickListener.onItemClick(
(AdapterView<TwoColumnsMenuListAdapter>)v.getParent().getParent(),
v, Integer.parseInt(data[0]), Long.parseLong(data[1]));
}
}
}