actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuBuilder.java

   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
  17 package com.actionbarsherlock.internal.view.menu;
  18
  19 import android.content.Context;
  20 import android.graphics.drawable.Drawable;
  21 import android.view.View;
  22
  23 import com.actionbarsherlock.view.Menu;
  24 import com.actionbarsherlock.view.MenuItem;
  25 import com.actionbarsherlock.view.SubMenu;
  26
  27 /**
  28  * The model for a sub menu, which is an extension of the menu.  Most methods are proxied to
  29  * the parent menu.
  30  */
  31 public class SubMenuBuilder extends MenuBuilder implements SubMenu {
  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     @Override
  76     public MenuBuilder getRootMenu() {
  77         return mParentMenu;
  78     }
  79
  80     @Override
  81     boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
  82         return super.dispatchMenuItemSelected(menu, item) ||
  83                 mParentMenu.dispatchMenuItemSelected(menu, item);
  84     }
  85
  86     public SubMenu setIcon(Drawable icon) {
  87         mItem.setIcon(icon);
  88         return this;
  89     }
  90
  91     public SubMenu setIcon(int iconRes) {
  92         mItem.setIcon(iconRes);
  93         return this;
  94     }
  95
  96     public SubMenu setHeaderIcon(Drawable icon) {
  97         return (SubMenu) super.setHeaderIconInt(icon);
  98     }
  99
 100     public SubMenu setHeaderIcon(int iconRes) {
 101         return (SubMenu) super.setHeaderIconInt(iconRes);
 102     }
 103
 104     public SubMenu setHeaderTitle(CharSequence title) {
 105         return (SubMenu) super.setHeaderTitleInt(title);
 106     }
 107
 108     public SubMenu setHeaderTitle(int titleRes) {
 109         return (SubMenu) super.setHeaderTitleInt(titleRes);
 110     }
 111
 112     public SubMenu setHeaderView(View view) {
 113         return (SubMenu) super.setHeaderViewInt(view);
 114     }
 115
 116     @Override
 117     public boolean expandItemActionView(MenuItemImpl item) {
 118         return mParentMenu.expandItemActionView(item);
 119     }
 120
 121     @Override
 122     public boolean collapseItemActionView(MenuItemImpl item) {
 123         return mParentMenu.collapseItemActionView(item);
 124     }
 125
 126     @Override
 127     public String getActionViewStatesKey() {
 128         final int itemId = mItem != null ? mItem.getItemId() : 0;
 129         if (itemId == 0) {
 130             return null;
 131         }
 132         return super.getActionViewStatesKey() + ":" + itemId;
 133     }
 134 }