org.ambient.control.config.MapAdapter.java Source code

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Here is the source code for org.ambient.control.config.MapAdapter.java

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/*  Copyright 2013 Florian Bornkessel
    
   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 org.ambient.control.config;

import java.io.Serializable;
import java.util.List;
import java.util.Map;

import org.ambient.control.R;
import org.ambient.control.config.MapField.ViewModel;

import android.content.Context;
import android.support.v4.app.FragmentManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.TextView;

/**
 * ArrayAdapter to for the MapField. It creates a dual row layout for the key and value. Boolean values have a separate layout and
 * a simple action handler to set boolean values directly to the data model.
 * 
 * @author Florian Bornkessel
 * 
 */
public class MapAdapter extends ArrayAdapter<MapField.ViewModel> {

    private final Context context;

    private Map<Object, Serializable> dataModell;

    /** class type of the value. the map adapter can handle some simple value types by itself and shows specialized views */
    private final String valueClassType;

    /**displayValues
     * 
     * @param fm
     * @param context
     * @param keyMapping
     *            key to displayString map
     * @param dataModell
     * @param valueClassType
     *            class type of value
     */
    public MapAdapter(FragmentManager fm, Context context, List<MapField.ViewModel> modell,
            Map<Object, Serializable> dataModell, String valueClassType) {

        super(context, R.layout.layout_map_list_entry, modell);
        this.context = context;
        this.dataModell = dataModell;
        this.valueClassType = valueClassType;
    }

    @Override
    public void remove(ViewModel entry) {
        entry.value = null;
        dataModell.remove(entry.key);
        notifyDataSetChanged();
    }

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

        final MapField.ViewModel item = getItem(position);

        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View rowView = null;

        // handle booleans directly with special view and and control
        if (valueClassType.equals(Boolean.class.getName())) {
            rowView = inflater.inflate(R.layout.layout_map_list_entry_boolean, parent, false);
            final TextView textIsSet = (TextView) rowView.findViewById(R.id.textViewType);
            CheckBox checkbox = (CheckBox) rowView.findViewById(R.id.checkBoxMapListEntry);

            if (item.value != null) {
                // check box and show text
                textIsSet.setText("anwenden");
                checkbox.setChecked((Boolean) item.value);
            } else {
                textIsSet.setText("");
            }

            // handle clicks by itself.
            checkbox.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                @Override
                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                    item.value = isChecked;
                    textIsSet.setText("anwenden");
                }
            });

        }

        // display other values with simple toString representation
        else {
            rowView = inflater.inflate(R.layout.layout_map_list_entry, parent, false);
            TextView textViewType = (TextView) rowView.findViewById(R.id.textViewType);
            if (item.value != null) {
                textViewType.setText(item.value.getClass().getSimpleName());
            } else {
                textViewType.setText("");
            }
        }

        // always display key as simple text
        TextView textViewKey = (TextView) rowView.findViewById(R.id.textViewName);
        textViewKey.setText(item.displayKey);

        return rowView;
    }
}