hostage/src/de/tudarmstadt/informatik/hostage/ui2/adapter/ProfileManagerListAdapter.java

package de.tudarmstadt.informatik.hostage.ui2.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.ViewSwitcher;

import java.util.List;

import de.tudarmstadt.informatik.hostage.R;
import de.tudarmstadt.informatik.hostage.ui2.model.ProfileListItem;

/**
 * @author Alexander Brakowski
 * @created 14.01.14 18:00
 */
public class ProfileManagerListAdapter extends ArrayAdapter<ProfileListItem> {
	private class ViewHolder {
		public TextView labelView;
		public TextView textView;
		public ImageView imageSelected;
		public ImageView itemIcon;
		public ImageButton buttonEdit;
		public ImageButton buttonDelete;
		public ViewSwitcher switcher;

		public ImageView itemIconBack;
		public TextView labelViewBack;
	}

    private final Context context;
    private final List<ProfileListItem> values;
	private float mLastX, upX;
	private static final int MIN_DISTANCE = 50;
	private Animation inAnimation;

    public ProfileManagerListAdapter(Context context, List<ProfileListItem> objects) {
        super(context, R.layout.profile_manager_list_item, objects);
        this.context = context;
        this.values  = objects;

	    inAnimation = AnimationUtils.loadAnimation(getContext(), R.anim.in_right_to_left);
    }


    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
	    LayoutInflater inflater = (LayoutInflater) context
			    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        View rowView = convertView;
	    ViewHolder holder = null;

	    final ProfileListItem item = values.get(position);

	    if(rowView == null){
		    rowView = inflater.inflate(R.layout.profile_manager_list_item, parent, false);

		    holder = new ViewHolder();
		    holder.labelView = (TextView) rowView.findViewById(R.id.profile_manager_item_label);
		    holder.textView = (TextView) rowView.findViewById(R.id.profile_manager_item_text);
		    holder.imageSelected = (ImageView) rowView.findViewById(R.id.profile_manager_item_activated);
		    holder.itemIcon = (ImageView) rowView.findViewById(R.id.profile_manager_item_image);
		    holder.buttonEdit = (ImageButton) rowView.findViewById(R.id.profile_manager_item_button_edit);
		    holder.buttonDelete = (ImageButton) rowView.findViewById(R.id.profile_manager_item_button_delete);
			holder.switcher = (ViewSwitcher) rowView.findViewById(R.id.profile_manager_viewswitcher);
			holder.itemIconBack = (ImageView) rowView.findViewById(R.id.profile_manager_item_image_back);
		    holder.labelViewBack = (TextView) rowView.findViewById(R.id.profile_manager_item_label_back);

		    rowView.setTag(holder);
	    } else {
		    holder = (ViewHolder) rowView.getTag();
	    }

	    holder.switcher.setOnTouchListener(new View.OnTouchListener(){
		    public boolean onTouch(View v, MotionEvent event) {
			    float currentX = event.getX();

			    ViewHolder holder = (ViewHolder) v.getTag();

			    System.out.println("_______________ MOTION! " + event.toString());
			    switch(event.getAction()) {
				    case  MotionEvent.ACTION_DOWN:
					    mLastX = currentX;
					    return true;
				    case MotionEvent.ACTION_MOVE:
					    return true;
				    case MotionEvent.ACTION_UP:
					    upX = event.getX();

					    float deltaX = mLastX - upX;

					    // horizontal swipe detection
					    if (Math.abs(deltaX) > MIN_DISTANCE) {
						    if (deltaX < 0) {
							    // swipe left to right
							    if(item.isBackVisible){
								    holder.switcher.setDisplayedChild(0);
								    item.isBackVisible = false;
							    }

							    return true;
						    }
						    if (deltaX > 0) {
							    // swipe right to left
							    if(!item.isBackVisible){
								    holder.switcher.setDisplayedChild(1);
								    item.isBackVisible = true;
							    }

							    return true;
						    }
					    }

					    break;
			    }
			    return false;
		    }
	    });

	    holder.buttonEdit.setFocusable(false);
	    holder.buttonDelete.setFocusable(false);
	    holder.buttonEdit.setFocusableInTouchMode(false);
	    holder.buttonDelete.setFocusableInTouchMode(false);


	    holder.textView.setText(item.label);
	    holder.labelView.setText(item.text);
	    holder.labelViewBack.setText(item.text);
	    holder.itemIconBack.setImageBitmap(item.icon);
	    holder.itemIcon.setImageBitmap(item.icon);

		holder.switcher.setInAnimation(null);
	    if(item.isBackVisible){
		    holder.switcher.setDisplayedChild(1);
	    } else {
		    holder.switcher.setDisplayedChild(0);
	    }

	    holder.switcher.setInAnimation(inAnimation);

        if(!item.activated){
            RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams )holder.textView.getLayoutParams();
            lp.setMargins(0,0,0,0);

	        holder.textView.setLayoutParams(lp);

	        holder.imageSelected.setVisibility(View.GONE);
        }


        return rowView;
    }


}