SubMenuBuilder.java revision 30837f1095c803f332f4a1c3f0917c8afdd50156 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.support.v7.internal.view.menu;
18
19import android.content.Context;
20import android.graphics.drawable.Drawable;
21import android.view.Menu;
22import android.view.MenuItem;
23import android.view.SubMenu;
24import android.view.View;
25
26/**
27 * The model for a sub menu, which is an extension of the menu.  Most methods are proxied to the
28 * parent menu.
29 */
30public class SubMenuBuilder extends MenuBuilder implements SubMenu {
31
32    private MenuBuilder mParentMenu;
33    private MenuItemImpl mItem;
34
35    public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) {
36        super(context);
37
38        mParentMenu = parentMenu;
39        mItem = item;
40    }
41
42    @Override
43    public void setQwertyMode(boolean isQwerty) {
44        mParentMenu.setQwertyMode(isQwerty);
45    }
46
47    @Override
48    public boolean isQwertyMode() {
49        return mParentMenu.isQwertyMode();
50    }
51
52    @Override
53    public void setShortcutsVisible(boolean shortcutsVisible) {
54        mParentMenu.setShortcutsVisible(shortcutsVisible);
55    }
56
57    @Override
58    public boolean isShortcutsVisible() {
59        return mParentMenu.isShortcutsVisible();
60    }
61
62    public Menu getParentMenu() {
63        return mParentMenu;
64    }
65
66    public MenuItem getItem() {
67        return mItem;
68    }
69
70    @Override
71    public void setCallback(Callback callback) {
72        mParentMenu.setCallback(callback);
73    }
74
75    public MenuBuilder getRootMenu() {
76        return mParentMenu;
77    }
78
79    @Override
80    public boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
81        return super.dispatchMenuItemSelected(menu, item) ||
82                mParentMenu.dispatchMenuItemSelected(menu, item);
83    }
84
85    public SubMenu setIcon(Drawable icon) {
86        mItem.setIcon(icon);
87        return this;
88    }
89
90    public SubMenu setIcon(int iconRes) {
91        mItem.setIcon(iconRes);
92        return this;
93    }
94
95    public SubMenu setHeaderIcon(Drawable icon) {
96        super.setHeaderIconInt(icon);
97        return this;
98    }
99
100    public SubMenu setHeaderIcon(int iconRes) {
101        super.setHeaderIconInt(getContext().getResources().getDrawable(iconRes));
102        return this;
103    }
104
105    public SubMenu setHeaderTitle(CharSequence title) {
106        super.setHeaderTitleInt(title);
107        return this;
108    }
109
110    public SubMenu setHeaderTitle(int titleRes) {
111        super.setHeaderTitleInt(getContext().getResources().getString(titleRes));
112        return this;
113    }
114
115    public SubMenu setHeaderView(View view) {
116        super.setHeaderViewInt(view);
117        return this;
118    }
119
120    @Override
121    public void clearHeader() {
122        //To change body of implemented methods use File | Settings | File Templates.
123    }
124
125    @Override
126    public boolean expandItemActionView(MenuItemImpl item) {
127        return mParentMenu.expandItemActionView(item);
128    }
129
130    @Override
131    public boolean collapseItemActionView(MenuItemImpl item) {
132        return mParentMenu.collapseItemActionView(item);
133    }
134
135    @Override
136    public String getActionViewStatesKey() {
137        final int itemId = mItem != null ? mItem.getItemId() : 0;
138        if (itemId == 0) {
139            return null;
140        }
141        return super.getActionViewStatesKey() + ":" + itemId;
142    }
143}
144