ErrorHintView.java

package com.todayinfo.ui.component;

import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;

import com.jinghua.todayinformation.R;
import com.todayinfo.ui.api.IStrategy;

/**
 * 
 * @author longtao.li
 * 
 */
public class ErrorHintView extends RelativeLayout {

	RelativeLayout mContainer;
	LayoutParams layoutParams;

	/**
	 * 动画
	 */
	private AnimationDrawable animationDrawable;

	private ErrorHandler mErrorHandler = new ErrorHandler();

	public interface OperateListener {
		void operate();
	}

	private OperateListener mOperateListener;

	public ErrorHintView(Context context, AttributeSet attrs) {
		super(context, attrs);
		init();
	}

	public ErrorHintView(Context context) {
		super(context);
		init();
	}

	private void init() {
		View.inflate(getContext(), R.layout.custom_error_hint_view, this);
		mContainer = (RelativeLayout) findViewById(R.id.container);
		layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,
				LayoutParams.MATCH_PARENT);
	}

	public void show() {
		setVisibility(View.VISIBLE);
	}

	public void close() {
		setVisibility(View.GONE);
	}

	/**
	 * 锦囊 用于实施策略,处理订单状态
	 * 
	 * @author longtao.li
	 * 
	 */
	class ErrorHandler {

		public ErrorHandler() {
		}

		public void operate(IStrategy strategy) {
			show();
			strategy.operate();
		}

	}

	/**
	 * 显示加载失败UI
	 */
	public void loadFailure(OperateListener Listener) {
		this.mOperateListener = Listener;
		mErrorHandler.operate(new LoadFailure());
	}

	View loadFailure;

	/**
	 * 加载失败
	 * 
	 * @author longtao.li
	 * 
	 */
	class LoadFailure implements IStrategy {

		@Override
		public void operate() {
			if (loadFailure == null) {
				loadFailure = View.inflate(getContext(),
						R.layout.layout_load_failure, null);
				View view = loadFailure.findViewById(R.id.load_retry);
				view.setOnClickListener(new OnClickListener() {

					@Override
					public void onClick(View arg0) {
						mOperateListener.operate();
					}
				});
			}
			mContainer.removeAllViews();
			mContainer.addView(loadFailure, layoutParams);
		}

	}

	/**
	 * 显示无网络
	 */
	public void netError(OperateListener Listener) {
		this.mOperateListener = Listener;
		mErrorHandler.operate(new NetWorkError());
	}

	View netError;

	/**
	 * 无网络
	 * 
	 * @author longtao.li
	 * 
	 */
	class NetWorkError implements IStrategy {

		@Override
		public void operate() {
			if (netError == null) {
				netError = View.inflate(getContext(),
						R.layout.layout_load_wifi_failure, null);
				View view = netError.findViewById(R.id.wifi_retry);
				view.setOnClickListener(new OnClickListener() {

					@Override
					public void onClick(View arg0) {
						mOperateListener.operate();
					}
				});
			}
			mContainer.removeAllViews();
			mContainer.addView(netError, layoutParams);
		}

	}

	/**
	 * 显示无数据
	 */
	public void noData() {
		mErrorHandler.operate(new NoDataError());
	}

	View noData;

	/**
	 * 无数据
	 * 
	 * @author longtao.li
	 * 
	 */
	class NoDataError implements IStrategy {

		@Override
		public void operate() {
			if (noData == null) {
				noData = View.inflate(getContext(),
						R.layout.layout_load_noorder, null);
			}
			mContainer.removeAllViews();
			mContainer.addView(noData, layoutParams);
		}

	}

	View loadingdata;

	/**
	 * 转菊花
	 * 
	 * @author 荣
	 */
	class LoadingData implements IStrategy {

		@Override
		public void operate() {
			if (loadingdata == null) {
				loadingdata = View.inflate(getContext(),
						R.layout.layout_load_loading, null);
			}
			ImageView iv = (ImageView) loadingdata
					.findViewById(R.id.loading_iv);
			mContainer.removeAllViews();
			mContainer.addView(loadingdata, layoutParams);
			showLoading(iv);
		}

	}

	/**
	 * 转菊花
	 * 
	 * @param Listener
	 */
	public void loadingData() {
		mErrorHandler.operate(new LoadingData());
	}

	/**
	 * 显示动画loading
	 */
	public void showLoading(final ImageView iv) {
		animationDrawable = (AnimationDrawable) iv.getBackground();
		animationDrawable.start();
	}

	/**
	 * 隐藏动画loading
	 */
	public void hideLoading() {
		if (animationDrawable != null && animationDrawable.isRunning()) {
			animationDrawable.stop();
		}
		close();
	}

}