org.y20k.transistor.helpers.StationContextMenu.java Source code

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Here is the source code for org.y20k.transistor.helpers.StationContextMenu.java

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/**
 * StationContextMenu.java
 * Implements the StationContextMenu class
 * The StationContextMenu allows manipulation of station objects, eg. rename or delete
 *
 * This file is part of
 * TRANSISTOR - Radio App for Android
 *
 * Copyright (c) 2015 - Y20K.org
 * Licensed under the MIT-License
 * http://opensource.org/licenses/MIT
 */

package org.y20k.transistor.helpers;

import android.app.Activity;
import android.app.DialogFragment;
import android.content.Intent;
import android.support.v4.content.LocalBroadcastManager;
import android.view.MenuItem;
import android.view.View;
import android.widget.PopupMenu;

import org.y20k.transistor.R;
import org.y20k.transistor.core.Collection;

/**
 * StationContextMenu class
 */
public final class StationContextMenu extends DialogFragment {

    /* Keys */
    private static final String ACTION_IMAGE_CHANGE_REQUESTED = "org.y20k.transistor.action.IMAGE_CHANGE_REQUESTED";
    private static final String STATION_ID = "stationID";

    /* Main class variables */
    private View mView;
    private int mStationID;
    private Activity mActivity;
    private Collection mCollection;
    private StationChangedListener mStationChangedListener;

    /* Interface for custom listener */
    public interface StationChangedListener {
        void stationChanged();
    }

    /* Constructor */
    public StationContextMenu() {
        mStationChangedListener = null;
    }

    /* Setter for custom listener */
    public void setStationChangedListener(StationChangedListener stationChangedListener) {
        mStationChangedListener = stationChangedListener;
    }

    /* Initializer for main class variables */
    public void initialize(Activity activity, Collection collection, View view, int stationID) {
        mActivity = activity;
        mCollection = collection;
        mView = view;
        mStationID = stationID;
    }

    /* Displays context menu */
    public void show() {

        PopupMenu popup = new PopupMenu(mActivity, mView);
        popup.inflate(R.menu.menu_main_list_item);
        popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem item) {

                switch (item.getItemId()) {

                // CASE ICON
                case R.id.menu_icon:

                    // send local broadcast (needed by MainActivityFragment)
                    Intent i = new Intent();
                    i.setAction(ACTION_IMAGE_CHANGE_REQUESTED);
                    i.putExtra(STATION_ID, mStationID);
                    LocalBroadcastManager.getInstance(mActivity.getApplication()).sendBroadcast(i);

                    return true;

                // CASE RENAME
                case R.id.menu_rename:
                    // get name of station
                    String stationName = mCollection.getStations().get(mStationID).getStationName();
                    // construct rename dialog
                    DialogRename dialogRename = new DialogRename(mActivity, mCollection, stationName, mStationID);
                    dialogRename.setStationRenamedListener(new DialogRename.StationRenamedListener() {
                        @Override
                        public void stationRenamed() {
                            if (mStationChangedListener != null) {
                                mStationChangedListener.stationChanged();
                            }
                        }
                    });
                    // run dialog
                    dialogRename.show();
                    return true;

                // CASE DELETE
                case R.id.menu_delete:
                    // construct delete dialog
                    DialogDelete dialogDelete = new DialogDelete(mActivity, mCollection, mStationID);
                    // run dialog
                    dialogDelete.show();
                    return true;

                // CASE DEFAULT
                default:
                    return false;
                }
            }
        });
        popup.show();
    }

}