XListViewFooter.java

/**
 * @file XFooterView.java
 * @description XListView's footer
 */
package com.jiuqi.ui.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.jqyd.uilib.R;

public class XListViewFooter extends LinearLayout{
	public final static int STATE_NORMAL = 0;
	public final static int STATE_READY = 1;
	public final static int STATE_LOADING = 2;
	public final static int STATE_NULLDATA = 3;
	public final static int STATE_NULLMOREDATA = 4;
	
	private Context mContext;

	private View mContentView;
	private View mProgressBar;
	private TextView mHintView;

	public XListViewFooter(Context context){
		super(context);
		initView(context);
	}

	public XListViewFooter(Context context, AttributeSet attrs){
		super(context, attrs);
		initView(context);
	}

	public void setState(int state){
		mHintView.setVisibility(View.INVISIBLE);
		mProgressBar.setVisibility(View.INVISIBLE);
		mHintView.setVisibility(View.INVISIBLE);
		if(state == STATE_READY){
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText(R.string.xlistview_footer_hint_ready);
		}
		else if(state == STATE_LOADING){
			mProgressBar.setVisibility(View.VISIBLE);
		}
		else if(state == STATE_NULLDATA){
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText(R.string.xlistview_footer_hint_nulldata);
		}else if(state == STATE_NULLMOREDATA){
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText(R.string.xlistview_footer_hint_nullmoredata);
		}
		else{
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText(R.string.xlistview_footer_hint_normal);
		}
	}

	public void setState(int state , String showMsg){
		
		if(showMsg==null || "".equals(showMsg.trim())){
			setState(state);
			return;
		}
		
		mHintView.setVisibility(View.INVISIBLE);
		mProgressBar.setVisibility(View.INVISIBLE);
		mHintView.setVisibility(View.INVISIBLE);
		
		switch (state) {
		case STATE_READY:
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText(R.string.xlistview_footer_hint_ready);
			break;
		case STATE_LOADING:
			mProgressBar.setVisibility(View.VISIBLE);
			break;
		case STATE_NULLDATA:
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText("没有"+showMsg+"信息");
			break;
		case STATE_NULLMOREDATA:
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText("没有更多"+showMsg+"信息");
			break;
		default:
			mHintView.setVisibility(View.VISIBLE);
			mHintView.setText("查看更多"+showMsg+"信息");
			break;
		}
		
	}
	
	public void setBottomMargin(int height){
		if(height < 0) return;
		LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
		lp.bottomMargin = height;
		mContentView.setLayoutParams(lp);
	}

	public int getBottomMargin(){
		LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
		return lp.bottomMargin;
	}

	/**
	 * normal status
	 */
	public void normal(){
		mHintView.setVisibility(View.VISIBLE);
		mProgressBar.setVisibility(View.GONE);
	}

	/**
	 * loading status 
	 */
	public void loading(){
		mHintView.setVisibility(View.GONE);
		mProgressBar.setVisibility(View.VISIBLE);
	}

	/**
	 * hide footer when disable pull load more
	 */
	public void hide(){
		LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
		lp.height = 0;
		mContentView.setLayoutParams(lp);
	}

	/**
	 * show footer
	 */
	public void show(){
		LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
		lp.height = LayoutParams.WRAP_CONTENT;
		mContentView.setLayoutParams(lp);
	}

	private void initView(Context context){
		mContext = context;
		LinearLayout moreView = (LinearLayout)LayoutInflater.from(mContext).inflate(R.layout.xlistview_footer, null);
		addView(moreView);
		moreView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));

		mContentView = moreView.findViewById(R.id.xlistview_footer_content);
		mProgressBar = moreView.findViewById(R.id.xlistview_footer_progressbar);
		mHintView = (TextView)moreView.findViewById(R.id.xlistview_footer_hint_textview);
	}

}