ListViewActiveAdapter.java

package net.oschina.app.adapter;

import java.util.List;

import net.oschina.app.R;
import net.oschina.app.bean.Active;
import net.oschina.app.bean.Active.ObjectReply;
import net.oschina.app.common.BitmapManager;
import net.oschina.app.common.StringUtils;
import net.oschina.app.common.UIHelper;
import net.oschina.app.widget.LinkView;
import net.oschina.app.widget.LinkView.OnLinkClickListener;
import android.content.Context;
import android.graphics.BitmapFactory;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * 用户动态Adapter类
 * 
 * @author liux (http://my.oschina.net/liux)
 * @version 1.0
 * @created 2012-3-21
 */
public class ListViewActiveAdapter extends MyBaseAdapter {
	private Context context;// 运行上下文
	private List<Active> listItems;// 数据集合
	private LayoutInflater listContainer;// 视图容器
	private int itemViewResource;// 自定义项视图源
	private BitmapManager bmpManager;
	private boolean faceClickEnable;

	private final static String AT_HOST_PRE = "http://my.oschina.net";
	private final static String MAIN_HOST = "http://www.oschina.net";
	
	static class ListItemView { // 自定义控件集合
		public ImageView userface;
		public TextView username;
		public TextView date;
		public LinkView content;
		public TextView reply;
		public TextView commentCount;
		public TextView client;
		public ImageView redirect;
		public ImageView image;
	}

	/**
	 * 实例化Adapter
	 * 
	 * @param context
	 * @param data
	 * @param resource
	 */
	public ListViewActiveAdapter(Context context, List<Active> data,
			int resource) {
		this(context, data, resource, true);
	}

	/**
	 * 实例化Adapter
	 * 
	 * @param context
	 * @param data
	 * @param resource
	 * @param isFaceClickEnable
	 */
	public ListViewActiveAdapter(Context context, List<Active> data,
			int resource, boolean faceClickEnable) {
		this.context = context;
		this.listContainer = LayoutInflater.from(context); // 创建视图容器并设置上下文
		this.itemViewResource = resource;
		this.listItems = data;
		this.bmpManager = new BitmapManager(BitmapFactory.decodeResource(
				context.getResources(), R.drawable.widget_dface_loading));
		this.faceClickEnable = faceClickEnable;
	}

	public int getCount() {
		return listItems.size();
	}

	public Object getItem(int arg0) {
		return null;
	}

	public long getItemId(int arg0) {
		return 0;
	}

	/**
	 * ListView Item设置
	 */
	public View getView(int position, View convertView, ViewGroup parent) {
		// Log.d("method", "getView");

		// 自定义视图
		ListItemView listItemView = null;

		if (convertView == null) {
			// 获取list_item布局文件的视图
			convertView = listContainer.inflate(this.itemViewResource, null);

			listItemView = new ListItemView();
			// 获取控件对象
			listItemView.userface = (ImageView) convertView
					.findViewById(R.id.active_listitem_userface);
			listItemView.username = (TextView) convertView
					.findViewById(R.id.active_listitem_username);
			listItemView.content = (LinkView) convertView
					.findViewById(R.id.active_listitem_content);
			listItemView.date = (TextView) convertView
					.findViewById(R.id.active_listitem_date);
			listItemView.commentCount = (TextView) convertView
					.findViewById(R.id.active_listitem_commentCount);
			listItemView.client = (TextView) convertView
					.findViewById(R.id.active_listitem_client);
			listItemView.reply = (TextView) convertView
					.findViewById(R.id.active_listitem_reply);
			listItemView.redirect = (ImageView) convertView
					.findViewById(R.id.active_listitem_redirect);
			listItemView.image = (ImageView) convertView
					.findViewById(R.id.active_listitem_image);

			// 设置控件集到convertView
			convertView.setTag(listItemView);
		} else {
			listItemView = (ListItemView) convertView.getTag();
		}

		// 设置文字和图片
		Active active = listItems.get(position);
		listItemView.username.setText(UIHelper.parseActiveAction(
				active.getAuthor(), active.getObjectType(),
				active.getObjectCatalog(), active.getObjectTitle()));
		listItemView.username.setTag(active);// 设置隐藏参数(实体类)

		// 把相对路径改成绝对路径
		String message = modifyPath(active.getMessage());
		
		listItemView.content.setLinkText(message);
		listItemView.content.setTag(active);// 设置隐藏参数(实体类)
		listItemView.content.setOnClickListener(linkViewClickListener);
		listItemView.content.setLinkClickListener(linkClickListener);
		
		listItemView.date
				.setText(StringUtils.friendly_time(active.getPubDate()));
		listItemView.commentCount.setText(active.getCommentCount() + "");

		switch (active.getAppClient()) {
		default:
			listItemView.client.setText("");
			break;
		case Active.CLIENT_MOBILE:
			listItemView.client.setText("来自:手机");
			break;
		case Active.CLIENT_ANDROID:
			listItemView.client.setText("来自:Android");
			break;
		case Active.CLIENT_IPHONE:
			listItemView.client.setText("来自:iPhone");
			break;
		case Active.CLIENT_WINDOWS_PHONE:
			listItemView.client.setText("来自:Windows Phone");
			break;
		}
		if (StringUtils.isEmpty(listItemView.client.getText().toString()))
			listItemView.client.setVisibility(View.GONE);
		else
			listItemView.client.setVisibility(View.VISIBLE);

		ObjectReply reply = active.getObjectReply();
		if (reply != null) {
			listItemView.reply.setText(UIHelper.parseActiveReply(
					reply.objectName, reply.objectBody));
			listItemView.reply.setVisibility(TextView.VISIBLE);
		} else {
			listItemView.reply.setText("");
			listItemView.reply.setVisibility(TextView.GONE);
		}

		if (active.getActiveType() == Active.CATALOG_OTHER)
			listItemView.redirect.setVisibility(ImageView.GONE);
		else
			listItemView.redirect.setVisibility(ImageView.VISIBLE);

		String faceURL = active.getFace();
		if (faceURL.endsWith("portrait.gif") || StringUtils.isEmpty(faceURL)) {
			listItemView.userface.setImageResource(R.drawable.widget_dface);
		} else {
			bmpManager.loadBitmap(faceURL, listItemView.userface);
		}
		if (faceClickEnable) {
			listItemView.userface.setOnClickListener(faceClickListener);
		}
		listItemView.userface.setTag(active);

		String imgSmall = active.getTweetimage();
		if (!StringUtils.isEmpty(imgSmall)) {
			bmpManager.loadBitmap(imgSmall, listItemView.image, BitmapFactory
					.decodeResource(context.getResources(),
							R.drawable.image_loading));
			listItemView.image.setVisibility(ImageView.VISIBLE);
		} else {
			listItemView.image.setVisibility(ImageView.GONE);
		}

		return convertView;
	}

	private View.OnClickListener faceClickListener = new View.OnClickListener() {
		public void onClick(View v) {
			Active active = (Active) v.getTag();
			UIHelper.showUserCenter(v.getContext(), active.getAuthorId(),
					active.getAuthor());
		}
	};

	/**
	 * 修正一些路径
	 * 
	 * @param message
	 * @return
	 */
	private String modifyPath(String message) {
		message = message.replaceAll("(<a[^>]+href=\")/([\\S]+)\"", "$1"
				+ AT_HOST_PRE + "/$2\"");
		message = message.replaceAll("(<a[^>]+href=\")http://m.oschina.net([\\S]+)\"", "$1"+MAIN_HOST+"$2\"");
		return message;
	}
	
	private View.OnClickListener linkViewClickListener = new View.OnClickListener() {
		public void onClick(View v) {
			if(!isLinkViewClick()){
				UIHelper.showActiveRedirect(v.getContext(), (Active)v.getTag());
			}
			setLinkViewClick(false);
		}
	};
	
	private OnLinkClickListener linkClickListener = new OnLinkClickListener() {
		public void onLinkClick() {
			setLinkViewClick(true);
		}
	};
}