TreeViewSingleAdapter.java

package com.jiuqi.njt.adapter;

import java.util.ArrayList;
import java.util.List;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.jiuqi.njt.R;
import com.jiuqi.njt.management.RepairActivity;
import com.jiuqi.njt.model.UserTreeElement;
import com.jiuqi.util.UIUtil;

/**
 * 树状结构适配器
 * @author Administrator
 *
 */
public class TreeViewSingleAdapter extends BaseAdapter {

	@SuppressWarnings({ "unchecked", "rawtypes" })
	public TreeViewSingleAdapter(Context context, List objects, List allObjects) {
		mInflater = LayoutInflater.from(context);
		this.context = context;
		showUserCount = objects;
		allUserlist = allObjects;
		mIconCollapse = BitmapFactory.decodeResource(context.getResources(),
				R.drawable.outline_list_collapse);
		mIconExpand = BitmapFactory.decodeResource(context.getResources(),
				R.drawable.outline_list_expand);
		mIconFile = BitmapFactory.decodeResource(context.getResources(),
				R.drawable.file);
		mIconFileOpen = BitmapFactory.decodeResource(context.getResources(),
				R.drawable.fileopen);
		mIconPersonActive = BitmapFactory.decodeResource(
				context.getResources(), R.drawable.person);
		mIconPerson = BitmapFactory.decodeResource(context.getResources(),
				R.drawable.person2);
	}

	private Context context;
	private LayoutInflater mInflater;
	private Bitmap mIconCollapse;
	private Bitmap mIconExpand;
	private ViewHolder vHollder;
	private Bitmap mIconFile;
	private Bitmap mIconFileOpen;
	private Bitmap mIconPerson;
	private Bitmap mIconPersonActive;
	private List<UserTreeElement> showUserCount;
	private List<UserTreeElement> allUserlist;

	public void setAllUserlist(ArrayList<UserTreeElement> allUserlist) {
		this.allUserlist = allUserlist;
	}

	public List<UserTreeElement> getShowUserCount() {
		return showUserCount;
	}

	public void setShowUserCount(List<UserTreeElement> showUserCount) {
		this.showUserCount = showUserCount;
	}

	public List<UserTreeElement> getAllUserlist() {
		return allUserlist;
	}

	public void setAllUserlist(List<UserTreeElement> allUserlist) {
		this.allUserlist = allUserlist;
	}

	public void setShowUserCount(ArrayList<UserTreeElement> showUserCount) {
		this.showUserCount = showUserCount;
	}

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

	public Object getItem(int position) {
		return position;
	}

	public long getItemId(int position) {
		return position;
	}

	@SuppressLint("NewApi")
	public View getView(int position, View convertView, ViewGroup parent) {

		convertView = null;
		if (convertView == null) {
			convertView = mInflater.inflate(R.layout.outline, null);
			vHollder = new ViewHolder();

			final LinearLayout layout = (LinearLayout) convertView
					.findViewById(R.id.treelayout);
			int padding = UIUtil.dip2px(context, context.getResources()
					.getDimension(R.dimen.margin));
			layout.setPadding(padding, padding, padding, padding);

			vHollder.text = (TextView) convertView.findViewById(R.id.text);
			vHollder.icon = (ImageView) convertView.findViewById(R.id.icon);
			vHollder.checkBox = (CheckBox) convertView
					.findViewById(R.id.checkBox);
			vHollder.checkBox.setVisibility(View.GONE);
			vHollder.file_icon = (ImageView) convertView.findViewById(R.id.file_icon);
			vHollder.state = (TextView) convertView.findViewById(R.id.state);
			convertView.setTag(vHollder);
		}

		UserTreeElement currentElement = showUserCount.get(position);
		vHollder.state.setText(currentElement.getState());

		int level = currentElement.getLevel();
		vHollder.icon.setPadding(25 * (level + 1),
				vHollder.icon.getPaddingTop(), 0,
				vHollder.icon.getPaddingBottom());
		vHollder.text.setText(currentElement.getOutlineTitle());
		if (currentElement.isMhasChild()
				&& (currentElement.isExpanded() == false)) {
			vHollder.icon.setImageBitmap(mIconCollapse);
			vHollder.file_icon.setImageBitmap(mIconFile);
		} else if (currentElement.isMhasChild()
				&& (currentElement.isExpanded() == true)) {
			vHollder.icon.setImageBitmap(mIconExpand);
			vHollder.file_icon.setImageBitmap(mIconFileOpen);
		} else if (!currentElement.isMhasChild()) {
			vHollder.icon.setImageBitmap(mIconCollapse);
			vHollder.icon.setVisibility(View.INVISIBLE);
			if ("".equals(currentElement.getState())) {
				vHollder.file_icon.setImageBitmap(mIconPersonActive);
			} else {
				vHollder.file_icon.setImageBitmap(mIconPerson);
			}
		}

		vHollder.icon.setOnClickListener(new TreeViewAdapterListener(position));

		return convertView;
	}

	public final class ViewHolder {
		public CheckBox checkBox;
		public TextView text;
		public ImageView icon;
		public TextView state;
		public ImageView file_icon;
	}

	class TreeViewAdapterListener implements OnClickListener {

		private int position;

		TreeViewAdapterListener(int pos) {
			position = pos;
		}

		@Override
		public void onClick(View v) {
			switch (v.getId()) {
			case R.id.icon:
				setTreeOpenOrClose(position);
				break;

			default:
				break;
			}
		}

	}

	@SuppressLint("NewApi")
	public void setTreeOpenOrClose(int position) {
		// /没有子节点时
		UserTreeElement currentElement = showUserCount.get(position);
		if (!currentElement.isMhasChild()) {
			
			return;
		} else {
			// 有子节点并且已经打开了
			if (currentElement.isExpanded()) {
				currentElement.setExpanded(false);
				ArrayList<UserTreeElement> temp = new ArrayList<UserTreeElement>();

				// /取消选中的选择和隐藏子节点
				for (int i = position + 1; i < showUserCount.size(); i++) {
					if (currentElement.getLevel() >= showUserCount.get(i)
							.getLevel()) {
						break;
					}
					temp.add(showUserCount.get(i));
				}
				showUserCount.removeAll(temp);
			} else {
				currentElement.setExpanded(true);
				int level = currentElement.getLevel();
				int nextLevel = level + 1;

				for (UserTreeElement userElement : allUserlist) {
					int j = 1;
					if (context.getClass().equals(RepairActivity.class)) {
						if (userElement.getSim() == currentElement.getParent()) {
							userElement.setLevel(nextLevel);
							userElement.setExpanded(false);
							showUserCount.add(position + j, userElement);
							j++;
						}
					} else {

						if (userElement.getParent() == currentElement.getId()) {
							userElement.setLevel(nextLevel);
							userElement.setExpanded(false);
							showUserCount.add(position + j, userElement);
							j++;
						}
					}
				}
			}
			this.notifyDataSetChanged();
		}

	}

}