SweetSheet.java

package com.mingle.sweetpick;

import android.support.annotation.MenuRes;
import android.support.v7.widget.PopupMenu;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;
import android.widget.SeekBar;

import com.mingle.entity.MenuEntity;

import java.util.ArrayList;
import java.util.List;

/**
 * @author zzz40500
 * @version 1.0
 * @date 2015/8/5.
 * @github: https://github.com/zzz40500
 */
public class SweetSheet {

    public static final String Tag="SweetSheet";
    public enum Type{
        RecyclerView,Viewpager,Custom
    }

    private ViewGroup mParentVG;
    private Delegate mDelegate;
    private Effect mEffect=new NoneEffect();
    private OnMenuItemClickListener mOnMenuItemClickListener;
    private boolean mIsBgClickEnable=true;


    public SweetSheet(RelativeLayout parentVG) {
        mParentVG = parentVG;
    }

    public SweetSheet(FrameLayout parentVG) {
        mParentVG = parentVG;
    }



    public SweetSheet(ViewGroup parentVG) {

        if (parentVG instanceof FrameLayout || parentVG instanceof RelativeLayout) {

        } else {
            throw new IllegalStateException("ViewGroup  must FrameLayout or  RelativeLayout.");
        }
        mParentVG = parentVG;

    }


    public void setDelegate(Delegate delegate){
        mDelegate=delegate;
        mDelegate.init(mParentVG);
        setup();

    }

    public Delegate getDelegate() {
        return mDelegate;
    }


    private void setup() {

        if(mOnMenuItemClickListener != null){
            mDelegate.setOnMenuItemClickListener(mOnMenuItemClickListener);
        }
        if(mMenuEntities != null){
            mDelegate.setMenuList(mMenuEntities);
        }
        mDelegate.setBackgroundEffect(mEffect);
        mDelegate.setBackgroundClickEnable(mIsBgClickEnable);
    }


    public void setBackgroundClickEnable(boolean isBgClickEnable){
        if(mDelegate != null){
            mDelegate.setBackgroundClickEnable(isBgClickEnable);
        }else{
            mIsBgClickEnable=isBgClickEnable;
        }
    }


    public void setBackgroundEffect(Effect effect) {

        if(mDelegate != null) {
            mDelegate.setBackgroundEffect(effect);
        }else{
            mEffect=effect;
        }
    }


    public void setOnMenuItemClickListener(OnMenuItemClickListener onItemClickListener) {
        if(mDelegate != null) {
            mDelegate.setOnMenuItemClickListener(onItemClickListener);
        }else{
            mOnMenuItemClickListener=onItemClickListener;
        }
    }


    public void show() {

        if(mDelegate != null) {

            mDelegate.show();
        }else{
            Log.e(Tag,"you must setDelegate before");
        }
    }

    public void dismiss() {
        if(mDelegate != null) {

            mDelegate.dismiss();
        }else{
            Log.e(Tag,"you must setDelegate before");
        }

    }

    public void toggle() {
        if(mDelegate != null) {

            mDelegate.toggle();
        }else{
            Log.e(Tag,"you must setDelegate before");
        }

    }

    public boolean isShow() {

        if(mDelegate == null) {

           return  false;
        }
        if (mDelegate.getStatus() == Status.SHOW || mDelegate.getStatus() == Status.SHOWING) {
            return true;
        }
        return false;
    }
    private List<MenuEntity> mMenuEntities;

    public void setMenuList(List<MenuEntity> menuEntities) {
        if(mDelegate != null) {

            mDelegate.setMenuList(menuEntities);
        }else{
            mMenuEntities=menuEntities;
        }

    }

    public void setMenuList(@MenuRes int menuRes) {

        Menu menu = new PopupMenu(mParentVG.getContext(), null).getMenu();
        new MenuInflater(mParentVG.getContext()).inflate(menuRes, menu);
        List<MenuEntity> menuEntities = getMenuEntityFormMenuRes(menu);


        if(mDelegate != null) {

            mDelegate.setMenuList(menuEntities);
        }else{
            mMenuEntities=menuEntities;
        }

    }


    /**
     * 当前只处理一级的菜单
     *
     * @param menu
     * @return
     */
    private List<MenuEntity> getMenuEntityFormMenuRes(Menu menu) {

        List<MenuEntity> list = new ArrayList<>();
        for (int i = 0; i < menu.size(); i++) {
            MenuItem item = menu.getItem(i);

            if (item.isVisible()) {
                MenuEntity itemEntity = new MenuEntity();
                itemEntity.title = item.getTitle().toString();
                itemEntity.icon = item.getIcon();
                list.add(itemEntity);
            }
        }
        return list;
    }

    protected enum Status {

        SHOW, SHOWING,
        DISMISS, DISMISSING
    }

    public interface OnMenuItemClickListener {
        boolean onItemClick(int position, MenuEntity menuEntity);
    }

}