
package com.newsClient.activity;

import java.util.ArrayList;

import org.androidannotations.annotations.AfterViews;
import org.androidannotations.annotations.Background;
import org.androidannotations.annotations.EActivity;
import org.androidannotations.annotations.UiThread;

import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.newsClient.App;
import com.newsClient.adapter.DragAdapter;
import com.newsClient.adapter.OtherAdapter;
import com.newsClient.model.ChannelItem;
import com.newsClient.model.ChannelManage;
import com.newsClient.wedget.DragGrid;
import com.newsClient.wedget.OtherGridView;
import com.umeng.analytics.MobclickAgent;

/**
 * 频道管理
 */
//@EActivity(R.layout.channel)
public class ChannelActivity extends Activity implements OnItemClickListener {
    public static String TAG = "ChannelActivity";
    /** 用户栏目的GRIDVIEW */
    private DragGrid userGridView;
    /** 其它栏目的GRIDVIEW */
    private OtherGridView otherGridView;
    /** 用户栏目对应的适配器，可以拖动 */
    DragAdapter userAdapter;
    /** 其它栏目对应的适配器 */
    OtherAdapter otherAdapter;
    /** 其它栏目列表 */
    ArrayList<ChannelItem> otherChannelList = new ArrayList<ChannelItem>();
    /** 用户栏目列表 */
    ArrayList<ChannelItem> userChannelList = new ArrayList<ChannelItem>();
    /** 是否在移动，由于这边是动画结束后才进行的数据更替，设置这个限制为了避免操作太频繁造成的数据错乱。 */
    boolean isMove = false;
    
    

    // @Override
    // public void onCreate(Bundle savedInstanceState) {
    // super.onCreate(savedInstanceState);
    // setContentView(R.layout.channel);
    // try {
    // initView();
    // initData();
    // } catch (Exception e) {ss
    // e.printStackTrace();
    // }
    // }

    @Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.channel);
	}

	/** 初始化布局 */
    @AfterViews
    void initView() {
        userGridView = (DragGrid) findViewById(R.id.userGridView);
        otherGridView = (OtherGridView) findViewById(R.id.otherGridView);
        initData();
    }

    /** 初始化数据 */
    @Background
    void initData() {
        userChannelList = ((ArrayList<ChannelItem>) ChannelManage.getManage(
                App.getApp().getSQLHelper()).getUserChannel());
        otherChannelList = ((ArrayList<ChannelItem>) ChannelManage.getManage(
                App.getApp().getSQLHelper()).getOtherChannel());
        setData();
    }

    @UiThread
    void setData() {
        userAdapter = new DragAdapter(this, userChannelList);
        userGridView.setAdapter(userAdapter);
        otherAdapter = new OtherAdapter(this, otherChannelList);
        otherGridView.setAdapter(otherAdapter);
        // 设置GRIDVIEW的ITEM的点击监听
        otherGridView.setOnItemClickListener(this);
        userGridView.setOnItemClickListener(this);
    }

    /** GRIDVIEW对应的ITEM点击监听接口 */
    @Override
    public void onItemClick(AdapterView<?> parent, final View view, final int position, long id) {
        // 如果点击的时候，之前动画还没结束，那么就让点击事件无效
        if (isMove) {
            return;
        }
        switch (parent.getId()) {
            case R.id.userGridView:
                // position为 0，1 的不可以进行任何操作
                if (position != 0 && position != 1) {
                    final ImageView moveImageView = getView(view);
                    if (moveImageView != null) {
                        TextView newTextView = (TextView) view.findViewById(R.id.text_item);
                        final int[] startLocation = new int[2];
                        newTextView.getLocationInWindow(startLocation);
                        final ChannelItem channel = ((DragAdapter) parent.getAdapter())
                                .getItem(position);// 获取点击的频道内容
                        otherAdapter.setVisible(false);
                        // 添加到最后一个
                        otherAdapter.addItem(channel);
                        new Handler().postDelayed(new Runnable() {
                            @Override
                            public void run() {
                                try {
                                    int[] endLocation = new int[2];
                                    // 获取终点的坐标
                                    otherGridView
                                            .getChildAt(otherGridView.getLastVisiblePosition())
                                            .getLocationInWindow(endLocation);
                                    moveAnim(moveImageView, startLocation, endLocation, channel,
                                            userGridView);
                                    userAdapter.setRemove(position);
                                    ChannelManage.getManage(App.getApp().getSQLHelper())
                                            .updateChannel(
                                                    channel, "0");
                                } catch (Exception localException) {
                                }
                            }
                        }, 50L);
                    }
                }
                break;
            case R.id.otherGridView:
                final ImageView moveImageView = getView(view);
                if (moveImageView != null) {
                    TextView newTextView = (TextView) view.findViewById(R.id.text_item);
                    final int[] startLocation = new int[2];
                    newTextView.getLocationInWindow(startLocation);
                    final ChannelItem channel = ((OtherAdapter) parent.getAdapter())
                            .getItem(position);
                    userAdapter.setVisible(false);
                    // 添加到最后一个
                    userAdapter.addItem(channel);
                    new Handler().postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            try {
                                int[] endLocation = new int[2];
                                // 获取终点的坐标
                                userGridView.getChildAt(userGridView.getLastVisiblePosition())
                                        .getLocationInWindow(endLocation);
                                moveAnim(moveImageView, startLocation, endLocation, channel,
                                        otherGridView);
                                otherAdapter.setRemove(position);
                                ChannelManage.getManage(App.getApp().getSQLHelper()).updateChannel(
                                        channel, "1");
                            } catch (Exception localException) {
                            }
                        }
                    }, 50L);
                }
                break;
            default:
                break;
        }
    }

    /**
     * 点击ITEM移动动画
     * 
     * @param moveView
     * @param startLocation
     * @param endLocation
     * @param moveChannel
     * @param clickGridView
     */
    private void moveAnim(View moveView, int[] startLocation, int[] endLocation,
            final ChannelItem moveChannel,
            final GridView clickGridView) {
        // 将当前栏目增加到改变过的listview中 若栏目已经存在删除点，不存在添加进去

        int[] initLocation = new int[2];
        // 获取传递过来的VIEW的坐标
        moveView.getLocationInWindow(initLocation);
        // 得到要移动的VIEW,并放入对应的容器中
        final ViewGroup moveViewGroup = getMoveViewGroup();
        final View mMoveView = getMoveView(moveViewGroup, moveView, initLocation);
        // 创建移动动画
        TranslateAnimation moveAnimation = new TranslateAnimation(
                startLocation[0], endLocation[0], startLocation[1],
                endLocation[1]);
        moveAnimation.setDuration(300L);// 动画时间
        // 动画配置
        AnimationSet moveAnimationSet = new AnimationSet(true);
        moveAnimationSet.setFillAfter(false);// 动画效果执行完毕后，View对象不保留在终止的位置
        moveAnimationSet.addAnimation(moveAnimation);
        mMoveView.startAnimation(moveAnimationSet);
        moveAnimationSet.setAnimationListener(new AnimationListener() {

            @Override
            public void onAnimationStart(Animation animation) {
                isMove = true;
            }

            @Override
            public void onAnimationRepeat(Animation animation) {
            }

            @Override
            public void onAnimationEnd(Animation animation) {
                moveViewGroup.removeView(mMoveView);
                // instanceof 方法判断2边实例是不是一样，判断点击的是DragGrid还是OtherGridView
                if (clickGridView instanceof DragGrid) {
                    otherAdapter.setVisible(true);
                    otherAdapter.notifyDataSetChanged();
                    userAdapter.remove();
                } else {
                    userAdapter.setVisible(true);
                    userAdapter.notifyDataSetChanged();
                    otherAdapter.remove();
                }
                isMove = false;
            }
        });
    }

    /**
     * 获取移动的VIEW，放入对应ViewGroup布局容器
     * 
     * @param viewGroup
     * @param view
     * @param initLocation
     * @return
     */
    private View getMoveView(ViewGroup viewGroup, View view, int[] initLocation) {
        int x = initLocation[0];
        int y = initLocation[1];
        viewGroup.addView(view);
        LinearLayout.LayoutParams mLayoutParams = new LinearLayout.LayoutParams(
                LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        mLayoutParams.leftMargin = x;
        mLayoutParams.topMargin = y;
        view.setLayoutParams(mLayoutParams);
        return view;
    }

    /**
     * 创建移动的ITEM对应的ViewGroup布局容器
     */
    private ViewGroup getMoveViewGroup() {
        ViewGroup moveViewGroup = (ViewGroup) getWindow().getDecorView();
        LinearLayout moveLinearLayout = new LinearLayout(this);
        moveLinearLayout.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.MATCH_PARENT));
        moveViewGroup.addView(moveLinearLayout);
        return moveLinearLayout;
    }

    /**
     * 获取点击的Item的对应View，
     * 
     * @param view
     * @return
     */
    private ImageView getView(View view) {
        view.destroyDrawingCache();
        view.setDrawingCacheEnabled(true);
        Bitmap cache = Bitmap.createBitmap(view.getDrawingCache());
        view.setDrawingCacheEnabled(false);
        ImageView iv = new ImageView(this);
        iv.setImageBitmap(cache);
        return iv;
    }

    /** 退出时候保存选择后数据库的设置 */
    void saveChannel() {
        ChannelManage.getManage(App.getApp().getSQLHelper()).deleteAllChannel();
        ChannelManage.getManage(App.getApp().getSQLHelper()).saveUserChannel(
                userAdapter.getChannnelLst());
        ChannelManage.getManage(App.getApp().getSQLHelper()).saveOtherChannel(
                otherAdapter.getChannnelLst());
    }
//
//    @Override
//    public void onResume() {
//        super.onResume();
//        MobclickAgent.onResume(this);
//    }
//
//    @Override
//    public void onPause() {
//        super.onPause();
//        MobclickAgent.onPause(this);
//    }
//
//    @Override
//    public void finish() {
//        super.finish();
//        if (userAdapter.isListChanged()) {
//            //MainActivity.isChange = true;
//            // saveChannel();
//            Log.d(TAG, "数据发生改变");
//        }
//    }
}
