/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * 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 net.micode.notes.tool; //定义了包名

import android.content.Context; //引用便签所需要的各个库
import android.preference.PreferenceManager; // 引入了需要使用的类

import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity; //导入ui包下的类

public class ResourceParser { //界面元素的解析工具类：获取颜色资源，字体资源，图片资源并且在手机中使用
 //对不同颜色的静态常量进行赋值，便于使用
    public static final int YELLOW           = 0; //为颜色静态常量赋值
    public static final int BLUE             = 1; //定义默认颜色为Yellow
    public static final int WHITE            = 2; //为字体大小静态常量赋值
    public static final int GREEN            = 3; //默认字体大小为Medium
    public static final int RED              = 4; //对对应的颜色资源索取它们的地址

    public static final int BG_DEFAULT_COLOR = YELLOW; //默认背景颜色是黄色

    public static final int TEXT_SMALL       = 0; //声明字体大小变量
    public static final int TEXT_MEDIUM      = 1;
    public static final int TEXT_LARGE       = 2;
    public static final int TEXT_SUPER       = 3;

    public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; // 默认字体大小是中等大小

    public static class NoteBgResources { //便签背景资源的获取
        private final static int [] BG_EDIT_RESOURCES = new int [] {
            R.drawable.edit_yellow,
            R.drawable.edit_blue,
            R.drawable.edit_white,
            R.drawable.edit_green,
            R.drawable.edit_red
        };

        private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] { // 标题颜色的使用情况
            R.drawable.edit_title_yellow,
            R.drawable.edit_title_blue,
            R.drawable.edit_title_white,
            R.drawable.edit_title_green,
            R.drawable.edit_title_red
        };

        public static int getNoteBgResource(int id) { //获取便签背景资源id
            return BG_EDIT_RESOURCES[id];
        }

        public static int getNoteTitleBgResource(int id) { //获取背景标题资源id
            return BG_EDIT_TITLE_RESOURCES[id];
        }
    }

    public static int getDefaultBgId(Context context) { //获取默认背景颜色对应id
        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean( //若为随机背景颜色，则返回随机背景颜色
                NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
            return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
        } else {
            return BG_DEFAULT_COLOR;
        }
    }

    public static class NoteItemBgResources { //便签项目背景资源子类，包括方法：获得首尾项目等背景资源
        private final static int [] BG_FIRST_RESOURCES = new int [] { //对不同drawable的变量(first、normal、last、single)的初始化（声明）
            R.drawable.list_yellow_up,
            R.drawable.list_blue_up,
            R.drawable.list_white_up,
            R.drawable.list_green_up,
            R.drawable.list_red_up
        };

        private final static int [] BG_NORMAL_RESOURCES = new int [] { //定义了背景的默认资源
            R.drawable.list_yellow_middle,
            R.drawable.list_blue_middle,
            R.drawable.list_white_middle,
            R.drawable.list_green_middle,
            R.drawable.list_red_middle
        };

        private final static int [] BG_LAST_RESOURCES = new int [] { //定义背景的下方资源
            R.drawable.list_yellow_down,
            R.drawable.list_blue_down,
            R.drawable.list_white_down,
            R.drawable.list_green_down,
            R.drawable.list_red_down,
        };

        private final static int [] BG_SINGLE_RESOURCES = new int [] {
            R.drawable.list_yellow_single,
            R.drawable.list_blue_single,
            R.drawable.list_white_single,
            R.drawable.list_green_single,
            R.drawable.list_red_single
        }; //根据id获取四种类型便签项目背景资源的方法

        public static int getNoteBgFirstRes(int id) { //获取四种类型便签项目背景资源的方法
            return BG_FIRST_RESOURCES[id];
        }

        public static int getNoteBgLastRes(int id) { // 通过ID寻找last的颜色值
            return BG_LAST_RESOURCES[id];
        }

        public static int getNoteBgSingleRes(int id) { //通过ID获取单个便签背景颜色资源
            return BG_SINGLE_RESOURCES[id];
        }

        public static int getNoteBgNormalRes(int id) { //通过ID寻找normal的颜色值
            return BG_NORMAL_RESOURCES[id];
        }

        public static int getFolderBgRes() { //设置窗口的资源
            return R.drawable.list_folder;
        }
    }

    public static class WidgetBgResources { // 获取图片资源类的定义
        private final static int [] BG_2X_RESOURCES = new int [] { //2x小窗口背景资源初始化
            R.drawable.widget_2x_yellow,
            R.drawable.widget_2x_blue,
            R.drawable.widget_2x_white,
            R.drawable.widget_2x_green,
            R.drawable.widget_2x_red,
        };

        public static int getWidget2xBgResource(int id) { //通过id获得2x的小窗口背景资源
            return BG_2X_RESOURCES[id];
        }

        private final static int [] BG_4X_RESOURCES = new int [] { //4x小窗口背景资源初始化
            R.drawable.widget_4x_yellow,
            R.drawable.widget_4x_blue,
            R.drawable.widget_4x_white,
            R.drawable.widget_4x_green,
            R.drawable.widget_4x_red
        };

        public static int getWidget4xBgResource(int id) { //通过id获得4x的小窗口背景资源
            return BG_4X_RESOURCES[id]; 
        }
    }

    public static class TextAppearanceResources { //文本外观资源，包括默认字体，以及获取资源大小
        private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] { //四种不同大小的字体
            R.style.TextAppearanceNormal, 
            R.style.TextAppearanceMedium,
            R.style.TextAppearanceLarge,
            R.style.TextAppearanceSuper
        };

        public static int getTexAppearanceResource(int id) { //检测ID是否大于字体大小资源总量，如果是返回默认的结果，如果不是，则返回大小的ID号
            /** 
             * HACKME: Fix bug of store the resource id in shared preference. //修补bug
             * The id may larger than the length of resources, in this case,
             * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
             */
            if (id >= TEXTAPPEARANCE_RESOURCES.length) {
                return BG_DEFAULT_FONT_SIZE;
            }
            return TEXTAPPEARANCE_RESOURCES[id];
        }

        public static int getResourcesSize() { //返回字体大小资源的长度
            return TEXTAPPEARANCE_RESOURCES.length;
        }
    }
}
