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/*
* Copyright 2011 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.example.android.actionbarcompat;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SubMenu;
import java.util.ArrayList;
/**
* A <em>really</em> dumb implementation of the {@link android.view.Menu} interface, that's only
* useful for our actionbar-compat purposes. See
* <code>com.android.internal.view.menu.MenuBuilder</code> in AOSP for a more complete
* implementation.
*/
public class SimpleMenu implements Menu {
private Context mContext;
private Resources mResources;
private ArrayList<SimpleMenuItem> mItems;
public SimpleMenu(Context context) {
mContext = context;
mResources = context.getResources();
mItems = new ArrayList<SimpleMenuItem>();
}
public Context getContext() {
return mContext;
}
public Resources getResources() {
return mResources;
}
public MenuItem add(CharSequence title) {
return addInternal(0, 0, title);
}
public MenuItem add(int titleRes) {
return addInternal(0, 0, mResources.getString(titleRes));
}
public MenuItem add(int groupId, int itemId, int order, CharSequence title) {
return addInternal(itemId, order, title);
}
public MenuItem add(int groupId, int itemId, int order, int titleRes) {
return addInternal(itemId, order, mResources.getString(titleRes));
}
/**
* Adds an item to the menu. The other add methods funnel to this.
*/
private MenuItem addInternal(int itemId, int order, CharSequence title) {
final SimpleMenuItem item = new SimpleMenuItem(this, itemId, order, title);
mItems.add(findInsertIndex(mItems, order), item);
return item;
}
private static int findInsertIndex(ArrayList<? extends MenuItem> items, int order) {
for (int i = items.size() - 1; i >= 0; i--) {
MenuItem item = items.get(i);
if (item.getOrder() <= order) {
return i + 1;
}
}
return 0;
}
public int findItemIndex(int id) {
final int size = size();
for (int i = 0; i < size; i++) {
SimpleMenuItem item = mItems.get(i);
if (item.getItemId() == id) {
return i;
}
}
return -1;
}
public void removeItem(int itemId) {
removeItemAtInt(findItemIndex(itemId));
}
private void removeItemAtInt(int index) {
if ((index < 0) || (index >= mItems.size())) {
return;
}
mItems.remove(index);
}
public void clear() {
mItems.clear();
}
public MenuItem findItem(int id) {
final int size = size();
for (int i = 0; i < size; i++) {
SimpleMenuItem item = mItems.get(i);
if (item.getItemId() == id) {
return item;
}
}
return null;
}
public int size() {
return mItems.size();
}
public MenuItem getItem(int index) {
return mItems.get(index);
}
// Unsupported operations.
public SubMenu addSubMenu(CharSequence charSequence) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public SubMenu addSubMenu(int titleRes) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public SubMenu addSubMenu(int groupId, int itemId, int order, CharSequence title) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public SubMenu addSubMenu(int groupId, int itemId, int order, int titleRes) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public int addIntentOptions(int i, int i1, int i2, ComponentName componentName,
Intent[] intents, Intent intent, int i3, MenuItem[] menuItems) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public void removeGroup(int i) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public void setGroupCheckable(int i, boolean b, boolean b1) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public void setGroupVisible(int i, boolean b) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public void setGroupEnabled(int i, boolean b) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public boolean hasVisibleItems() {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public void close() {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public boolean performShortcut(int i, KeyEvent keyEvent, int i1) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public boolean isShortcutKey(int i, KeyEvent keyEvent) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public boolean performIdentifierAction(int i, int i1) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
public void setQwertyMode(boolean b) {
throw new UnsupportedOperationException("This operation is not supported for SimpleMenu");
}
}
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