package com.tiger.quicknews.activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.Menu;
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.tiger.quicknews.App;
import com.tiger.quicknews.R;
import com.tiger.quicknews.adapter.DragAdapter;
import com.tiger.quicknews.adapter.OtherAdapter;
import com.tiger.quicknews.bean.ChannelItem;
import com.tiger.quicknews.bean.ChannelManage;
import com.tiger.quicknews.wedget.DragGrid;
import com.tiger.quicknews.wedget.OtherGridView;
import com.umeng.analytics.MobclickAgent;
import java.util.ArrayList;
/**
* 频道管理
*/
public class ChannelActivity extends BaseActivity 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) {
e.printStackTrace();
}
}
/** 初始化数据 */
private void initData() {
userChannelList = ((ArrayList<ChannelItem>) ChannelManage.getManage(
App.getApp().getSQLHelper()).getUserChannel());
otherChannelList = ((ArrayList<ChannelItem>) ChannelManage.getManage(
App.getApp().getSQLHelper()).getOtherChannel());
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);
}
/** 初始化布局 */
private void initView() {
userGridView = (DragGrid) findViewById(R.id.userGridView);
otherGridView = (OtherGridView) findViewById(R.id.otherGridView);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
/** 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);
} 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);
} 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) {
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 */
private 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");
}
}
}