edu.teco.context.ui.Tab2Fragment.java Source code

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Here is the source code for edu.teco.context.ui.Tab2Fragment.java

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/*******************************************************************************
 * Copyright 2013 Karlsruhe Institute of Technology. This Work has been partially supported by the EIT ICT Labs funded research project Towards a Mobile Cloud (activity CLD 12206).
 * 
 * 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 edu.teco.context.ui;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.RelativeLayout;
import android.widget.Spinner;
import edu.teco.context.R;
import edu.teco.context.configuration.FrameworkConfiguration;
import edu.teco.context.configuration.FrameworkContext;
import edu.teco.context.configuration.FrameworkState;

public class Tab2Fragment extends Fragment implements OnItemSelectedListener {

    /** Tag string for debug logs. */
    private static final String TAG = "Tab2Fragment";

    private IFragmentControlsListener mFragmentControlsListener;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        if (container == null) {
            // We have different layouts, and in one of them this
            // fragment's containing frame doesn't exist.  The fragment
            // may still be created from its saved state, but there is
            // no reason to try to create its view hierarchy because it
            // won't be displayed.  Note this is not needed -- we could
            // just run the code below, where we would create and return
            // the view hierarchy; it would just never be used.
            return null;
        }

        View v = inflater.inflate(R.layout.tab_frag2_layout, container, false);

        // make a copy of the context labels
        List<String> contextLabels = new ArrayList<String>(FrameworkConfiguration.getInstance().getContextLabels());

        final Spinner spinner = (Spinner) v.findViewById(R.id.spinner_activities_training);
        // Create an ArrayAdapter using the string array and a default spinner
        // layout
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this.getActivity(),
                android.R.layout.simple_spinner_item, contextLabels);
        // Specify the layout to use when the list of choices appears
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        // Apply the adapter to the spinner
        spinner.setAdapter(adapter);
        // Sets the listener for the spinner to this activity.
        spinner.setOnItemSelectedListener(this);

        return v;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        if (FrameworkContext.DEBUG)
            Log.d(TAG, "tab2 attached");
        try {
            mFragmentControlsListener = (IFragmentControlsListener) activity;
        } catch (ClassCastException e) {
            if (FrameworkContext.WARN)
                Log.w(TAG, (activity.toString() + " must implement IFragmentControlsListener"));
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        if (FrameworkContext.INFO)
            Log.i(TAG, "Fragment returned and context label is: " + TabsFragmentActivity.getCurrentContextLabel());
        int contextLabelIndex = FrameworkConfiguration.getInstance().getContextLabels()
                .indexOf(TabsFragmentActivity.getCurrentContextLabel());
        Spinner spinner = (Spinner) getActivity().findViewById(R.id.spinner_activities_training);
        spinner.setSelection(contextLabelIndex);

        Button trainingButton = (Button) getActivity().findViewById(R.id.buttonTrain);
        if (trainingButton != null) {
            FrameworkState state = ((TabsFragmentActivity) getActivity()).framework.getCurrentState();
            if (state == FrameworkState.TRAINING) {
                trainingButton.setText(R.string.button_stop_recording);
            } else {
                trainingButton.setText(R.string.button_start_recording);
            }
        }
    }

    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
        if (FrameworkContext.INFO)
            Log.i(TAG, "New context label selected with position " + position);
        if (mFragmentControlsListener != null
                && FrameworkConfiguration.getInstance().getContextLabels().size() > position) {
            mFragmentControlsListener.onContextLabelSelected(parent,
                    FrameworkConfiguration.getInstance().getContextLabels().get(position));
        }
    }

    public void onNothingSelected(AdapterView<?> arg0) {
        // do nothing

    }

}