Android Open Source - advanced-tourist-map File Manager Activity

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From Project

Back to project page advanced-tourist-map.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2011 mapsforge.org/* w  w w.jav a 2 s  . c om*/
 *
 *  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 org.muxe.advancedtouristmap.sourcefiles;

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

import org.muxe.advancedtouristmap.R;
import org.muxe.advancedtouristmap.BaseActivity;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.SharedPreferences.Editor;
import android.graphics.Color;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

/**
 * Main Activity to manage the needed source Files. Multiple Files which cover the same area are
 * bundled by an xml file
 * 
 * @author Max Drfler <doerfler@inf.fu-berlin.de>
 * 
 */
public class FileManagerActivity extends BaseActivity {

  private static final int DIALOG_BUNDLE_INFO = 0;

  private static final String NAMEKEY = "name";
  private static final String DESCKEY = "description";
  private static final String IMAGEKEY = "image";

  private ListView listView;
  private TextView emptyListText;
  private SimpleAdapter mapBundleAdapter;
  ArrayList<MapBundle> installedBundles;
  int currentlySelectedBundlePosition;
  private ImageButton refreshButton;
  ProgressDialog progressDialog;

  // MapBundle currentlySelectedBundle;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    this.advancedMapViewer.setViewWithHelp(this, R.layout.activity_file_manager);

    this.listView = (ListView) findViewById(R.id.file_manager_list_view);
    this.emptyListText = (TextView) findViewById(R.id.file_manager_empty_text);
    this.refreshButton = (ImageButton) findViewById(R.id.button_file_manager_refresh);
    this.refreshButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        // FileManagerActivity.this.advancedMapViewer.resetBaseBundlePath();
        // TODO: async, because this may take a while
        new RefreshListAsync().execute();
      }
    });
  }

  @Override
  protected void onResume() {
    // TODO: what happens if amv gets started, no files are found, files are then added and
    // amv gets resumed?!
    super.onResume();
    this.buildList();
  }

  void buildList() {
    this.installedBundles = this.advancedMapViewer.getFileManager().getInstalledBundles();

    if (this.installedBundles.size() <= 0) {
      this.emptyListText.setVisibility(View.VISIBLE);
      this.listView.setVisibility(View.GONE);
    } else {
      this.emptyListText.setVisibility(View.GONE);
      this.listView.setVisibility(View.VISIBLE);
    }
    List<HashMap<String, Object>> fillMaps = new ArrayList<HashMap<String, Object>>();
    for (MapBundle mb : this.installedBundles) {
      HashMap<String, Object> map = new HashMap<String, Object>();
      map.put(NAMEKEY, mb.getName());
      map.put(DESCKEY, mb.getMapFile().getDescription());
      if (!mb.equals(this.advancedMapViewer.getCurrentMapBundle())) {
        map.put(IMAGEKEY, R.drawable.globe);
      } else {
        map.put(IMAGEKEY, R.drawable.globe_checked);
      }
      fillMaps.add(map);
    }
    // just to check layout with a full list
    // for (int i = 0; i <= 50; i++) {
    // HashMap<String, String> map = new HashMap<String, String>();
    // map.put("name", "name " + i);
    // map.put("description", "description: " + i);
    // fillMaps.add(map);
    // }

    String[] from = new String[] { NAMEKEY, DESCKEY, IMAGEKEY };
    int[] to = new int[] { R.id.installed_bundle_row_name,
        R.id.installed_bundle_row_description, R.id.installed_bundle_row_image };

    this.mapBundleAdapter = new SimpleAdapter(this.advancedMapViewer, fillMaps,
        R.layout.installed_bundle_row, from, to);
    this.listView.setAdapter(this.mapBundleAdapter);
    this.listView.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        FileManagerActivity.this.currentlySelectedBundlePosition = position;
        showDialog(DIALOG_BUNDLE_INFO);
      }
    });
  }

  @Override
  protected Dialog onCreateDialog(int id) {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    if (id == DIALOG_BUNDLE_INFO) {
      LayoutInflater factory = LayoutInflater.from(this);
      final View view = factory.inflate(R.layout.installed_bundle_info_dialog, null);
      builder.setView(view);
      // only called, so it can be set via onPrepareDialog
      builder.setTitle("placeholder");

      builder.setPositiveButton(R.string.yes, new OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
          // make it the new default bundle
          MapBundle currentlySelectedBundle = FileManagerActivity.this.installedBundles
              .get(FileManagerActivity.this.currentlySelectedBundlePosition);

          Editor editor = FileManagerActivity.this.advancedMapViewer.prefs.edit();
          editor.putString("bundlePath", currentlySelectedBundle.getFilepathXml());
          FileManagerActivity.this.advancedMapViewer.resetCurrentMapBundle();
          FileManagerActivity.this.advancedMapViewer.resetRouter();

          editor.commit();
          FileManagerActivity.this.buildList();
        }
      });

      builder.setNeutralButton(R.string.no, new OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
          // do nothing
        }
      });

      return builder.create();
    }
    return null;
  }

  @Override
  protected void onPrepareDialog(int id, final Dialog dialog) {
    if (id == DIALOG_BUNDLE_INFO) {
      // workaround for deprecated api, instead of bundle param
      MapBundle currentlySelectedBundle = this.installedBundles
          .get(this.currentlySelectedBundlePosition);

      // TODO: externalize
      dialog.setTitle("Use " + currentlySelectedBundle.getName() + "?");

      TextView routingAvail = (TextView) dialog
          .findViewById(R.id.installed_bundle_info_routing_avail);
      if (currentlySelectedBundle.getRoutingFiles().size() > 0) {
        routingAvail.setText(getString(R.string.enabled));
        routingAvail.setTextColor(Color.GREEN);
      } else {
        routingAvail.setText(getString(R.string.disabled));
        routingAvail.setTextColor(Color.RED);
      }

      TextView addressAvail = (TextView) dialog
          .findViewById(R.id.installed_bundle_info_address_avail);
      if (currentlySelectedBundle.getAddressFile() != null) {
        addressAvail.setText(getString(R.string.enabled));
        addressAvail.setTextColor(Color.GREEN);
      } else {
        addressAvail.setText(getString(R.string.disabled));
        addressAvail.setTextColor(Color.RED);
      }

      TextView poiAvail = (TextView) dialog
          .findViewById(R.id.installed_bundle_info_poi_avail);
      if (currentlySelectedBundle.getPoiFile() != null) {
        poiAvail.setText(getString(R.string.enabled));
        poiAvail.setTextColor(Color.GREEN);
      } else {
        poiAvail.setText(getString(R.string.disabled));
        poiAvail.setTextColor(Color.RED);
      }
    }
  }

  private class RefreshListAsync extends AsyncTask<Void, Void, Void> {

    public RefreshListAsync() {
      super();
    }

    @Override
    protected void onPreExecute() {
      FileManagerActivity.this.progressDialog = ProgressDialog.show(
          FileManagerActivity.this, "", "Loading. Please wait...", true);
    }

    @Override
    protected Void doInBackground(Void... params) {
      FileManagerActivity.this.advancedMapViewer.getFileManager().rescan(
          FileManagerActivity.this.advancedMapViewer.getBaseBundlePath());
      return null;
    }

    @Override
    protected void onPostExecute(Void result) {
      // remove progress bar
      FileManagerActivity.this.buildList();
      FileManagerActivity.this.progressDialog.dismiss();
    }
  }
}

Java Source Code List

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