/* * GeoSolutions map - Digital field mapping on Android based devices * Copyright (C) 2013 GeoSolutions (www.geo-solutions.it) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package it.geosolutions.android.map.adapters; import it.geosolutions.android.map.R; import it.geosolutions.android.map.renderer.LegendRenderer; import java.util.ArrayList; import android.content.Context; import android.graphics.drawable.BitmapDrawable; 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.actionbarsherlock.app.SherlockFragmentActivity; /** * @author Lorenzo Natali (www.geo-solutions.it) */ public class LayerAdapter extends ArrayAdapter<String> { /* * here we must override the constructor for ArrayAdapter the only variable we * care about now is ArrayList<Item> objects, because it is the list of objects * we want to display. */ /* * we are overriding the getView method here - this is what defines how each * list item will look. */ int resourceId = R.layout.feature_info_layer_list_row; /** * @param context * @param resource */ public LayerAdapter(Context context, int resource) { super(context, resource); this.resourceId = resource; } /** * @param sherlockActivity * @param feature_info_layer_list_row * @param feature_layer_name * @param layers */ public LayerAdapter(SherlockFragmentActivity context, int resource, ArrayList<String> layers) { super(context, resource, layers); this.resourceId = resource; } public View getView(int position, View convertView, ViewGroup parent) { // assign the view we are converting to a local variable View v = convertView; // first check to see if the view is null. if so, we have to inflate it. // to inflate it basically means to render, or show, the view. if (v == null) { LayoutInflater inflater = (LayoutInflater) getContext() .getSystemService(Context.LAYOUT_INFLATER_SERVICE); v = inflater.inflate(resourceId, null); } /* * Recall that the variable position is sent in as an argument to this * method. The variable simply refers to the position of the current object * in the list. (The ArrayAdapter iterates through the list we sent it) * Therefore, i refers to the current Item object. */ String layer = getItem(position); if (layer != null) { // This is how you obtain a reference to the TextViews. // These TextViews are created in the XML files we defined. TextView name = (TextView) v.findViewById(R.id.feature_layer_name); if (name != null) { name.setText(layer); } ImageView legend = (ImageView) v.findViewById(R.id.legend); if (legend != null) { legend.setImageDrawable(new BitmapDrawable(getContext() .getResources(), LegendRenderer.getLegend(layer))); } } // the view must be returned to our activity return v; } }