SubMenuBuilder.java revision 7fa6a00a4600aac591402398c23fea97721adf26 
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.support.v4.content.ContextCompat;
22import android.view.Menu;
23import android.view.MenuItem;
24import android.view.SubMenu;
25import android.view.View;
26
27/**
28 * The model for a sub menu, which is an extension of the menu.  Most methods are proxied to the
29 * parent menu.
30 *
31 * @hide
32 */
33public class SubMenuBuilder extends MenuBuilder implements SubMenu {
34    private MenuBuilder mParentMenu;
35    private MenuItemImpl mItem;
36
37    public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) {
38        super(context);
39
40        mParentMenu = parentMenu;
41        mItem = item;
42    }
43
44    @Override
45    public void setQwertyMode(boolean isQwerty) {
46        mParentMenu.setQwertyMode(isQwerty);
47    }
48
49    @Override
50    public boolean isQwertyMode() {
51        return mParentMenu.isQwertyMode();
52    }
53
54    @Override
55    public void setShortcutsVisible(boolean shortcutsVisible) {
56        mParentMenu.setShortcutsVisible(shortcutsVisible);
57    }
58
59    @Override
60    public boolean isShortcutsVisible() {
61        return mParentMenu.isShortcutsVisible();
62    }
63
64    public Menu getParentMenu() {
65        return mParentMenu;
66    }
67
68    public MenuItem getItem() {
69        return mItem;
70    }
71
72    @Override
73    public void setCallback(Callback callback) {
74        mParentMenu.setCallback(callback);
75    }
76
77    @Override
78    public MenuBuilder getRootMenu() {
79        return mParentMenu;
80    }
81
82    @Override
83    boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
84        return super.dispatchMenuItemSelected(menu, item) ||
85                mParentMenu.dispatchMenuItemSelected(menu, item);
86    }
87
88    public SubMenu setIcon(Drawable icon) {
89        mItem.setIcon(icon);
90        return this;
91    }
92
93    public SubMenu setIcon(int iconRes) {
94        mItem.setIcon(iconRes);
95        return this;
96    }
97
98    public SubMenu setHeaderIcon(Drawable icon) {
99        super.setHeaderIconInt(icon);
100        return this;
101    }
102
103    public SubMenu setHeaderIcon(int iconRes) {
104        super.setHeaderIconInt(ContextCompat.getDrawable(getContext(), iconRes));
105        return this;
106    }
107
108    public SubMenu setHeaderTitle(CharSequence title) {
109        super.setHeaderTitleInt(title);
110        return this;
111    }
112
113    public SubMenu setHeaderTitle(int titleRes) {
114        super.setHeaderTitleInt(getContext().getResources().getString(titleRes));
115        return this;
116    }
117
118    public SubMenu setHeaderView(View view) {
119        super.setHeaderViewInt(view);
120        return this;
121    }
122
123    @Override
124    public boolean expandItemActionView(MenuItemImpl item) {
125        return mParentMenu.expandItemActionView(item);
126    }
127
128    @Override
129    public boolean collapseItemActionView(MenuItemImpl item) {
130        return mParentMenu.collapseItemActionView(item);
131    }
132
133    @Override
134    public String getActionViewStatesKey() {
135        final int itemId = mItem != null ? mItem.getItemId() : 0;
136        if (itemId == 0) {
137            return null;
138        }
139        return super.getActionViewStatesKey() + ":" + itemId;
140    }
141}
142