BBSFragment.java

package cn.coderss.fragment;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Random;

import net.tsz.afinal.http.AjaxCallBack;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import cn.coderss.activity.BBSDetailActivity;
import cn.coderss.adapter.BBSAdapter;
import cn.coderss.adapter.VideoAdapter;
import cn.coderss.api.FssApi;
import cn.coderss.bean.BBSBean;
import cn.coderss.bean.TestInfo;
import cn.coderss.bitmap.FinalBitmap;
import cn.coderss.bitmap.FinalBitmap.ImageLoadCompleteListener;
import cn.coderss.edu.R;
import cn.coderss.otherPullrefresh.TryPullToRefreshScrollView;
import cn.coderss.otherPullrefresh.TryPullToRefreshScrollView.OnScrollListener;
import cn.coderss.otherPullrefresh.TryRefreshableView;
import cn.coderss.otherPullrefresh.TryRefreshableView.OnBottomListener;
import cn.coderss.otherPullrefresh.TryRefreshableView.RefreshListener;
import cn.coderss.pulltorefresh.PullToRefreshScrollView;
import cn.coderss.task.ContentTask;
import cn.coderss.ui.FlowView;
import cn.coderss.util.L;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.AsyncTask.Status;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.util.Log;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.MeasureSpec;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

@SuppressLint("ValidFragment")
public class BBSFragment extends Fragment {
	View mview;
	Context mcontext;
	ListView listview;
	BBSAdapter adapter;
	ArrayList<String> datalist = new ArrayList<String>();
	private static final int DOWNREFRESH = 1;
	private static final int UPREFRESH = 2;
	private int currentLoadCount = 0;
	private int totalDataCount = 0;
	protected static final String TAG = "MainActivity";
	private LinearLayout waterfall_container;
	private ArrayList<LinearLayout> waterfall_items;
	private Display display;
	private int item_width;
	private FinalBitmap fb;
	private int column_count = 2;// 显示列数
	private int page_count = 30;// 每次加载30张图片
	private int current_page = 0;// 当前页数
	private int[] topIndex;
	private int[] bottomIndex;
	private int[] lineIndex;
	private int[] column_height;// 每列的高度
	private HashMap<Integer, Integer>[] pin_mark = null;
	private Context context;
	private int refreshType = UPREFRESH;
	int scroll_height;
	private List<LinkedList<View>> all_screen_view; // 封装每屏View集合的集合
	private View firstView;
	private TryPullToRefreshScrollView waterfall_scroll;

	// 下拉刷新
	private PullToRefreshScrollView mylistview;
	private TryRefreshableView rv;
	// 当前数组
	public static ArrayList<BBSBean> BBSdatalist = new ArrayList<BBSBean>();

	public GridView grid;

	public BBSFragment(Context mcontext) {
		super();
		this.mcontext = mcontext;
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		LayoutInflater li = LayoutInflater.from(mcontext);
		mview = li.inflate(R.layout.fragment_bbs_2, null);

		initView();
		loadData(true);
		return mview;
	}

	public void loadData(boolean refresh) {
		if (refresh) {
			BBSdatalist.removeAll(BBSdatalist);
		}

		FssApi.getHttp().get(FssApi.BBSINDEX, new AjaxCallBack<Object>() {
			@Override
			public void onSuccess(Object t) {
				super.onSuccess(t);
				ArrayList<BBSBean> tmp = new Gson().fromJson(t.toString(),
						new TypeToken<ArrayList<BBSBean>>() {
						}.getType());
				L.i(tmp.toString());
				if (tmp != null) {
					for (BBSBean bbsBean : tmp) {
						BBSdatalist.add(bbsBean);
						adapter.notifyDataSetChanged();
					}
				}
			}
		});
	}

	public void initView() {

		grid = (GridView) mview.findViewById(R.id.grid);
		adapter = new BBSAdapter(BBSdatalist, mcontext, grid);
		grid.setAdapter(adapter);
		grid.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
					long arg3) {
				BBSBean bean = BBSdatalist.get(arg2);
				Intent it = new Intent(mcontext, BBSDetailActivity.class);
				BBSDetailActivity.bean = bean;
				startActivity(it);
			}
		});
		// all_screen_view = new ArrayList<LinkedList<View>>();

		// display = ((Activity)
		// mcontext).getWindowManager().getDefaultDisplay();
		// // 根据屏幕大小计算每列大小
		// item_width = display.getWidth() / column_count + 2;
		//
		// column_height = new int[column_count];
		// context = mcontext;
		// pin_mark = new HashMap[column_count];
		//
		// fb = new FinalBitmap(mcontext).init();// 必须调用init初始化FinalBitmap模块
		// fb.setCompleteListener(this);
		//
		// this.lineIndex = new int[column_count];
		// this.bottomIndex = new int[column_count];
		// this.topIndex = new int[column_count];
		//
		// for (int i = 0; i < column_count; i++) {
		// lineIndex[i] = -1;
		// bottomIndex[i] = -1;
		// pin_mark[i] = new HashMap();
		// }

		// InitLayout();

	}
	//
	// private void InitLayout() {
	// waterfall_scroll = (TryPullToRefreshScrollView) mview
	// .findViewById(R.id.waterfall_scroll);
	// rv = (TryRefreshableView) mview.findViewById(R.id.trymyRV);
	// rv.sv = waterfall_scroll;
	// // 隐藏mfooterView
	// rv.setRefreshListener(new RefreshListener() {
	//
	// @Override
	// public void onDownRefresh() {
	// if (rv.mRefreshState == TryRefreshableView.READYTOREFRESH) {
	// // 记录第一个view的位置
	// firstView = waterfall_items.get(0).getChildAt(0);
	// refreshType = DOWNREFRESH;
	// AddItemToContainer(++current_page, page_count);
	// }
	// }
	// });
	// rv.setOnBottomListener(new OnBottomListener() {
	//
	// @Override
	// public void onBottom() {
	// if (rv.mRefreshState != TryRefreshableView.REFRESHING) {
	// refreshType = UPREFRESH;
	// AddItemToContainer(++current_page, page_count);
	// }
	// }
	// });
	//
	// waterfall_scroll.setOnScrollListener(new OnScrollListener() {
	// @Override
	// public void onAutoScroll(int l, int t, int oldl, int oldt) {
	//
	// // Log.d("MainActivity",
	// // String.format("%d  %d  %d  %d", l, t, oldl, oldt));
	//
	// // Log.d("MainActivity", "range:" + range);
	// // Log.d("MainActivity", "range-t:" + (range - t));
	//
	// if (pin_mark.length <= 0) {
	// return;
	// }
	// scroll_height = waterfall_scroll.getMeasuredHeight();
	// Log.d("MainActivity", "scroll_height:" + scroll_height);
	//
	// if (t > oldt) {// 向下滚动
	// if (t > 3 * scroll_height) {// 超过两屏幕后
	//
	// for (int k = 0; k < column_count; k++) {
	//
	// LinearLayout localLinearLayout = waterfall_items
	// .get(k);
	//
	// if (pin_mark[k].get(Math.min(bottomIndex[k] + 1,
	// lineIndex[k])) <= t + 3 * scroll_height) {// 最底部的图片位置小于当前t+3*屏幕高度
	// View childAt = localLinearLayout
	// .getChildAt(Math.min(
	// 1 + bottomIndex[k],
	// lineIndex[k]));
	// if (childAt != null) {
	// FlowView picView = (FlowView) childAt
	// .findViewById(R.id.news_pic);
	// if (picView.bitmap == null
	// && !TextUtils.isEmpty(picView
	// .get_url())) {
	// fb.reload(picView.get_url(), picView);
	// }
	//
	// bottomIndex[k] = Math.min(
	// 1 + bottomIndex[k], lineIndex[k]);
	// }
	// }
	// // Log.d("MainActivity",
	// // "headIndex:" + topIndex[k] + "  footIndex:"
	// // + bottomIndex[k] + "  headHeight:"
	// // + pin_mark[k].get(topIndex[k]));
	// if (pin_mark[k].get(topIndex[k]) < t - 2
	// * scroll_height) {// 未回收图片的最高位置<t-两倍屏幕高度
	//
	// int i1 = topIndex[k];
	// topIndex[k]++;
	// ((FlowView) localLinearLayout.getChildAt(i1)
	// .findViewById(R.id.news_pic)).recycle();
	// Log.d("MainActivity", "recycle,k:" + k
	// + " headindex:" + topIndex[k]);
	//
	// }
	// }
	//
	// }
	// } else {// 向上滚动
	// if (t > 3 * scroll_height) {// 超过两屏幕后
	// for (int k = 0; k < column_count; k++) {
	// LinearLayout localLinearLayout = waterfall_items
	// .get(k);
	// if (pin_mark[k].get(bottomIndex[k]) > t + 3
	// * scroll_height) {
	// ((FlowView) localLinearLayout.getChildAt(
	// bottomIndex[k]).findViewById(
	// R.id.news_pic)).recycle();
	// Log.d("MainActivity", "recycle,k:" + k
	// + " headindex:" + topIndex[k]);
	//
	// bottomIndex[k]--;
	// }
	//
	// if (pin_mark[k].get(Math.max(topIndex[k] - 1, 0)) >= t
	// - 2 * scroll_height) {
	// FlowView picView = ((FlowView) localLinearLayout
	// .getChildAt(
	// Math.max(-1 + topIndex[k], 0))
	// .findViewById(R.id.news_pic));
	//
	// if (picView.bitmap == null
	// && !TextUtils.isEmpty(picView.get_url())) {
	// fb.reload(picView.get_url(), picView);
	// }
	//
	// topIndex[k] = Math.max(topIndex[k] - 1, 0);
	// }
	// }
	// }
	//
	// }
	// }
	// });
	//
	// waterfall_container = (LinearLayout) mview
	// .findViewById(R.id.waterfall_container);
	//
	// waterfall_items = new ArrayList<LinearLayout>();
	//
	// for (int i = 0; i < column_count; i++) {
	// LinearLayout itemLayout = new LinearLayout(mcontext);
	// LinearLayout.LayoutParams itemParam = new LinearLayout.LayoutParams(
	// item_width, LayoutParams.WRAP_CONTENT);
	//
	// itemLayout.setPadding(2, 0, 2, 2);
	// itemLayout.setOrientation(LinearLayout.VERTICAL);
	//
	// itemLayout.setLayoutParams(itemParam);
	// waterfall_items.add(itemLayout);
	// waterfall_container.addView(itemLayout);
	// }
	//
	// // 第一次加载
	// AddItemToContainer(current_page, page_count);
	// }
	//
	// ContentTask task = new ContentTask(mcontext, totalDataCount, fb);
	//
	// private void AddItemToContainer(int pageindex, int pagecount) {
	// if (task.getStatus() != Status.RUNNING) {
	// if (currentLoadCount >= totalDataCount) {
	// currentLoadCount = 0;
	// String url = FssApi.BBSINDEX + "&page=" + pageindex;
	// Log.d("MainActivity", "current url:" + url);
	// ContentTask task = new ContentTask(mcontext, totalDataCount, fb);
	// task.execute(url);
	// }
	// }
	// }
	//
	// private int GetMinValue(int[] array) {
	// int m = 0;
	// int length = array.length;
	// for (int i = 0; i < length; ++i) {
	//
	// if (array[i] < array[m]) {
	// m = i;
	// }
	// }
	// return m;
	// }
	//
	// @Override
	// public synchronized void onLoadComplete(Bitmap bitmap, BBSBean _info) {
	// ++currentLoadCount;
	// View convertView = LayoutInflater.from(context).inflate(
	// R.layout.infos_list, null);
	// LayoutParams layoutParams = new LayoutParams(item_width,
	// LayoutParams.WRAP_CONTENT);
	// convertView.setLayoutParams(layoutParams);
	// TextView timeView = (TextView) convertView.findViewById(R.id.news_time);
	// TextView titleView = (TextView) convertView
	// .findViewById(R.id.news_title);
	// FlowView picv = (FlowView) convertView.findViewById(R.id.news_pic);
	// int layoutHeight = (bitmap.getHeight() * item_width)
	// / bitmap.getWidth();// 调整高度
	//
	// LinearLayout.LayoutParams picParams = new LinearLayout.LayoutParams(
	// item_width, layoutHeight);
	// picv.set_url(_info.getPicture());
	// picv.setLayoutParams(picParams);
	// picv.setImageBitmap(bitmap);
	//
	// StringBuilder builder = new StringBuilder();
	// titleView.setText(_info.getContent());
	// timeView.setText(SimpleDateFormat.getDateInstance().format(new Date()));
	// int wspec = MeasureSpec
	// .makeMeasureSpec(item_width, MeasureSpec.EXACTLY);
	// convertView.measure(wspec, 0);
	//
	// Log.d("MainActivity",
	// "titleView.getMeasuredHeight():" + titleView.getMeasuredWidth());
	//
	// int h = convertView.getMeasuredHeight();
	// int w = convertView.getMeasuredWidth();
	// Log.d("MainActivity", "w:" + w + ",h:" + h);
	//
	// // 此处计算列值
	// int columnIndex = GetMinValue(column_height);
	//
	// picv.setColumnIndex(columnIndex);
	// lineIndex[columnIndex]++;
	// column_height[columnIndex] += h;
	// HashMap<Integer, Integer> hashMap = pin_mark[columnIndex];
	//
	// if (refreshType == UPREFRESH) {
	// hashMap.put(lineIndex[columnIndex], column_height[columnIndex]);//
	// 第index个view所在的高度
	// waterfall_items.get(columnIndex).addView(convertView);
	// } else {
	// for (int i = lineIndex[columnIndex] - 1; i >= 0; i--) {
	// hashMap.put(i + 1, hashMap.get(i) + h);
	// }
	//
	// hashMap.put(0, h);
	// waterfall_items.get(columnIndex).addView(convertView, 0);
	//
	// }
	//
	// bottomIndex[columnIndex] = lineIndex[columnIndex];
	// }
	//
	// @Override
	// public void onItemClick(AdapterView<?> arg0, View v, int position, long
	// arg3) {
	// Intent it = new Intent(mcontext, BBSDetailActivity.class);
	// startActivity(it);
	// }

}