CommitDiffListAdapter.java

package net.oschina.gitapp.adapter;

import java.util.List;
import net.oschina.gitapp.R;
import net.oschina.gitapp.bean.Commit;
import net.oschina.gitapp.bean.CommitDiff;
import net.oschina.gitapp.bean.Project;
import net.oschina.gitapp.common.UIHelper;
import android.content.Context;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * 项目Commit diff列表适配器
 * 
 * @created 2014-06-13
 * @author 火蚁（http://my.oschina.net/LittleDY）
 * 
 *         最后更新： 更新者：
 */
public class CommitDiffListAdapter {

	private LinearLayout commitGroupView;// commitDiff的view总和
	private Context context;// 运行上下文
	private List<CommitDiff> listData;// 数据集合
	private LayoutInflater listContainer;// 视图容器
	private int itemViewResource;// 自定义项视图源id
	
	private Project project;
	
	private Commit commit;

	/**
	 * 实例化MyBaseAdapter
	 * 
	 * @param context
	 * @param data
	 * @param resource
	 */
	public CommitDiffListAdapter(Context context, List<CommitDiff> data,
			int resource, LinearLayout view) {
		this.context = context;
		this.listContainer = LayoutInflater.from(context); // 创建视图容器并设置上下文
		this.itemViewResource = resource;
		this.listData = data;
		this.commitGroupView = view;
	}
	
	public void setData(Project project, Commit commit) {
		this.project = project;
		this.commit = commit;
	}

	public void add(int position) {

		final CommitDiff commitDiff = listData.get(position);

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

		// 获取控件对象
		View ll = convertView.findViewById(R.id.commit_diff_ll);
		
		ll.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				showCommitDiffDetail(commitDiff);
			}
		});
		
		TextView file_name = (TextView) convertView
				.findViewById(R.id.commit_diff_file_name);
		TextView folder = (TextView) convertView
				.findViewById(R.id.commit_diff_folder);
		TextView stats = (TextView) convertView
				.findViewById(R.id.commit_diff_stats);
		TextView file = (TextView) convertView
				.findViewById(R.id.commit_diff_file);

		file_name.setText(getFileName(commitDiff));
		folder.setText(getFilePath(commitDiff));
		String diff = getCommitFileDiff(commitDiff);
		
		// 显示文件的内容
		if (!TextUtils.isEmpty(diff)) {
			file.setText(diff);
		} else {
			file.setVisibility(View.GONE);
		}

		commitGroupView.addView(convertView);
	}

	public void notifyDataSetChanged() {
		int sum = listData.size() >= 20 ? 20 : listData.size();
		for (int i = 0; i < sum; i++) {
			add(i);
		}
	}

	private String getFileName(CommitDiff commitDiff) {
		String res = commitDiff.getNew_path();
		int index = commitDiff.getNew_path().lastIndexOf("/");
		if (index > 0) {
			res = res.substring(index + 1);
		}
		return res;
	}

	private String getFilePath(CommitDiff commitDiff) {
		String res = commitDiff.getNew_path();
		int index = commitDiff.getNew_path().lastIndexOf("/");
		if (index > 0) {
			res = res.substring(0, index);
		}
		return res;
	}
	
	//文本文件才会显示文本出来
	private String getCommitFileDiff(CommitDiff commitDiff) {
		if (commitDiff.getType().equalsIgnoreCase(CommitDiff.TYPE_TEXT)) {
			return commitDiff.getDiff().substring(
					commitDiff.getDiff().indexOf("@"));
		} else {
			return "";
		}
	}
	
	private void showCommitDiffDetail(CommitDiff commitDiff) {
		if (commitDiff.getType().equalsIgnoreCase(CommitDiff.TYPE_BINARY)) {
			
		} else {
			UIHelper.showCommitDiffFileDetail(context, project, commit, commitDiff);
		}
	}
}