XListViewFooter

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/**
* @file XFooterView.java
* @create Mar 31, 2012 9:33:43 PM
* @author Maxwin
* @description XListView's footer
*/
package org.com.cctest.view;

import com.example.day02.R;

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

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;

   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 {
           mHintView.setVisibility(View.VISIBLE);
           mHintView.setText(R.string.xlistview_footer_hint_normal);
       }
   }

   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);
   }


}

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