SubMenuBuilder.java revision 49c78900da0d43140fb602431fb93212bd7f6c70 
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 *
30 * @hide
31 */
32public class SubMenuBuilder extends MenuBuilder implements SubMenu {
33    private MenuBuilder mParentMenu;
34    private MenuItemImpl mItem;
35
36    public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) {
37        super(context);
38
39        mParentMenu = parentMenu;
40        mItem = item;
41    }
42
43    @Override
44    public void setQwertyMode(boolean isQwerty) {
45        mParentMenu.setQwertyMode(isQwerty);
46    }
47
48    @Override
49    public boolean isQwertyMode() {
50        return mParentMenu.isQwertyMode();
51    }
52
53    @Override
54    public void setShortcutsVisible(boolean shortcutsVisible) {
55        mParentMenu.setShortcutsVisible(shortcutsVisible);
56    }
57
58    @Override
59    public boolean isShortcutsVisible() {
60        return mParentMenu.isShortcutsVisible();
61    }
62
63    public Menu getParentMenu() {
64        return mParentMenu;
65    }
66
67    public MenuItem getItem() {
68        return mItem;
69    }
70
71    @Override
72    public void setCallback(Callback callback) {
73        mParentMenu.setCallback(callback);
74    }
75
76    @Override
77    public MenuBuilder getRootMenu() {
78        return mParentMenu;
79    }
80
81    @Override
82    boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
83        return super.dispatchMenuItemSelected(menu, item) ||
84                mParentMenu.dispatchMenuItemSelected(menu, item);
85    }
86
87    public SubMenu setIcon(Drawable icon) {
88        mItem.setIcon(icon);
89        return this;
90    }
91
92    public SubMenu setIcon(int iconRes) {
93        mItem.setIcon(iconRes);
94        return this;
95    }
96
97    public SubMenu setHeaderIcon(Drawable icon) {
98        super.setHeaderIconInt(icon);
99        return this;
100    }
101
102    public SubMenu setHeaderIcon(int iconRes) {
103        super.setHeaderIconInt(getContext().getResources().getDrawable(iconRes));
104        return this;
105    }
106
107    public SubMenu setHeaderTitle(CharSequence title) {
108        super.setHeaderTitleInt(title);
109        return this;
110    }
111
112    public SubMenu setHeaderTitle(int titleRes) {
113        super.setHeaderTitleInt(getContext().getResources().getString(titleRes));
114        return this;
115    }
116
117    public SubMenu setHeaderView(View view) {
118        super.setHeaderViewInt(view);
119        return this;
120    }
121
122    @Override
123    public boolean expandItemActionView(MenuItemImpl item) {
124        return mParentMenu.expandItemActionView(item);
125    }
126
127    @Override
128    public boolean collapseItemActionView(MenuItemImpl item) {
129        return mParentMenu.collapseItemActionView(item);
130    }
131
132    @Override
133    public String getActionViewStatesKey() {
134        final int itemId = mItem != null ? mItem.getItemId() : 0;
135        if (itemId == 0) {
136            return null;
137        }
138        return super.getActionViewStatesKey() + ":" + itemId;
139    }
140}
141