NsMenuAdapter.java

/*******************************************************************************
 * Copyright 2013 Gabriele Mariotti
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.example.patrick.myapplication;


import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.example.patrick.myapplication.model.NsMenuItemModel;

public class NsMenuAdapter extends ArrayAdapter<NsMenuItemModel> {

	/*
	 * public NsMenuAdapter(Context context, int resource, int
	 * textViewResourceId, String[] objects) { super(context,
	 * R.layout.ns_menu_row, textViewResourceId, objects); }
	 */

	public NsMenuAdapter(Context context) {
		super(context, 0);
	}

	public void addHeader(int title) {
		add(new NsMenuItemModel(title, -1, true));
	}

	public void addItem(int title, int icon) {
		add(new NsMenuItemModel(title, icon, false));
	}

	public void addItem(NsMenuItemModel itemModel) {
		add(itemModel);
	}

	@Override
	public int getViewTypeCount() {
		return 2;
	}

	@Override
	public int getItemViewType(int position) {
		return getItem(position).isHeader ? 0 : 1;
	}

	@Override
	public boolean isEnabled(int position) {
		return !getItem(position).isHeader;
	}

	public static class ViewHolder {
		public final TextView textHolder;
		public final ImageView imageHolder;
		public final TextView textCounterHolder;

		public ViewHolder(TextView text1, ImageView image1,TextView textcounter1) {
			this.textHolder = text1;
			this.imageHolder = image1;
			this.textCounterHolder=textcounter1;
		}
	}

	public View getView(int position, View convertView, ViewGroup parent) {

		NsMenuItemModel item = getItem(position);
		ViewHolder holder = null;
		View view = convertView;

		if (view == null) {
			int layout = R.layout.ns_menu_row_counter;
			if (item.isHeader)
				layout = R.layout.ns_menu_row_header;

			view = LayoutInflater.from(getContext()).inflate(layout, null);

			TextView text1 = (TextView) view.findViewById(R.id.menurow_title);
			ImageView image1 = (ImageView) view.findViewById(R.id.menurow_icon);
			TextView textcounter1 = (TextView) view.findViewById(R.id.menurow_counter);
			view.setTag(new ViewHolder(text1, image1,textcounter1));
		}

		if (holder == null && view != null) {
			Object tag = view.getTag();
			if (tag instanceof ViewHolder) {
				holder = (ViewHolder) tag;
			}
		}
		
		
	    if(item != null && holder != null)
	    {
	    	if (holder.textHolder != null)
				holder.textHolder.setText(item.title);
	    	
	    	if (holder.textCounterHolder != null){
	    		if (item.counter > 0){
	    			holder.textCounterHolder.setVisibility(View.VISIBLE);
	    			holder.textCounterHolder.setText(""+item.counter);
	    		}else{
	    			holder.textCounterHolder.setVisibility(View.GONE);
				}
			}
	    	
	        if (holder.imageHolder != null) {
				if (item.iconRes > 0) {
					holder.imageHolder.setVisibility(View.VISIBLE);
					holder.imageHolder.setImageResource(item.iconRes);
				} else {
					holder.imageHolder.setVisibility(View.GONE);
				}
			}
	    }
	    
	    return view;		
	}

}