Android Open Source - VO-Miner Vo Miner Activity

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Back to project page VO-Miner.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * VoMinerActivity.java//  ww  w  . j  av  a  2 s. c  o m
 * Copyright (C) 2011 Steve "Uru" West <uruwolf@gmail.com>
 * 
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */
package com.uruwolf.vominer;

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

import com.uruwolf.vominer.data.*;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;

/**
 * The main activity for the app
 * @author Steve "Uru" West <uruwolf@gmail.com>
 */
public class VoMinerActivity extends Activity implements OnItemSelectedListener, OnClickListener, OnItemClickListener{
  
  //Tag to use for debugging
  public static final String TAG = "Vo-Miner";
  //Name of the preferences we are to use
  public static final String PREFS_NAME = "vominer-prefs";
  
  //Some preference key values for later
  //The last selected system name
  private static final String PREF_LAST_SYSTEM = "last_selected_system";
  //Last selected letter coord
  private static final String PREF_LAST_SECTOR_APLHA = "last_selected_alpha";
  //Last selected numerical coord
  private static final String PREF_LAST_SECTOR_NUM = "last_selected_num";
  
  private SectorDataSource data;
  //Contains the currently selected sector
  private Sector currentSector;
  
  private List<String> mineralList;
  private ArrayAdapter<String> mineralAdapter;
  
  //This is used when the mineral list is empty. There has to be a element so we make it a blank one.
  private String emptyMineralString = "";
  
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        data = new SectorDataSource(this);
        data.open();
        
        //Get the spinners to use later
        Spinner systemList = (Spinner)findViewById(R.id.systemList);
        Spinner gridAplhaList = (Spinner)findViewById(R.id.gridAlphaList);
        Spinner gridNumList = (Spinner)findViewById(R.id.gridNumList);
        
        //Make sure we can update the information when something is selected
        systemList.setOnItemSelectedListener(this);
        gridAplhaList.setOnItemSelectedListener(this);
        gridNumList.setOnItemSelectedListener(this);
        
        //Load up the last selected sector
        SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
        
        //Pasted code begins here
        
        //Set up all the spinners. One for the system and another two for the coords. I hate how messy this is
        ArrayAdapter<String> systemAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1,
                Static.systemList);
        systemAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        systemList.setAdapter(systemAdapter);
          
        //Load the letter selection
        ArrayAdapter<String> gridAlphaAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1,
            Static.alphaCoordList);
        gridAlphaAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        gridAplhaList.setAdapter(gridAlphaAdapter);

        //And finally load the number selector
        ArrayAdapter<String> gridNumAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1,
            Static.numCoordList);
       gridNumAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
       gridNumList.setAdapter(gridNumAdapter);
        
        //GOGO super uber messy nested method calls and casts!
        systemList.setSelection(((ArrayAdapter<String>) systemList.getAdapter()).getPosition(
            settings.getString(PREF_LAST_SYSTEM, "")));
        gridAplhaList.setSelection(((ArrayAdapter<String>) gridAplhaList.getAdapter()).getPosition(
            settings.getString(PREF_LAST_SECTOR_APLHA, "")));
        gridNumList.setSelection(((ArrayAdapter<String>) gridNumList.getAdapter()).getPosition(
            settings.getString(PREF_LAST_SECTOR_NUM, "")));
        
        //Add a listener to the add button
        ((Button)findViewById(R.id.button_add_mineral)).setOnClickListener(this);
        
        //Add the listener to the mineral list
        ((ListView)findViewById(R.id.oreList)).setOnItemClickListener(this);
        
        //Add the assigned minerals to the list
         Spinner oreSpinner = (Spinner) findViewById(R.id.mineralList);
         //Set up the list
         mineralList = new ArrayList<String>(Static.mineralList);
         //Add it all in
        mineralAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1,
                mineralList);
        mineralAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        oreSpinner.setAdapter(mineralAdapter);
    }
    
    /**
     * Show a fancy menu at the top right. Not sure if this will stay or not
     */
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu, menu);
        
        return true;
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
            case R.id.menu_notes:
                showSectorNotes();
                return true;
            case R.id.menu_search:
              showSearch();
              return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }
    
    private void showSectorNotes(){
      Intent intent = new Intent(this, SectorNotesActivity.class);
    intent.putExtra("system", currentSector.getSystem());
    intent.putExtra("alpha", currentSector.getAplhaCoord());
    intent.putExtra("num", currentSector.getNumCoord());
    startActivity(intent);
    }
    
    private void showSearch(){
      startActivity(new Intent(this, MineralSearchActivity.class));
    }
    
    @Override
    public void onPause(){
      super.onPause();
      //Save the needed preferences
      SharedPreferences.Editor editor = getSharedPreferences(PREFS_NAME, 0).edit();
      //Load the selected items
      Sector selected = getSelectedSector();
      //Dump them all into the right places and save
      editor.putString(PREF_LAST_SYSTEM, selected.getSystem());
      editor.putString(PREF_LAST_SECTOR_APLHA, selected.getAplhaCoord());
      editor.putString(PREF_LAST_SECTOR_NUM, selected.getNumCoord());
      editor.commit();
      
      data.close();
    }
    
    @Override
    public void onResume(){
      super.onResume();
      data.open();
    }
    
    public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
      // Ping the SectorInfoFragment to get it to update
      //Make sure we have an up-to-date sector
      refreshCurrentSector();

      setMineralLists(currentSector);
    }
    
    private void refreshCurrentSector(){
      currentSector = data.populate(getSelectedSector());
    }
    
    /**
     * Gets the currently selected sector
     * @return A Sector containing the information
     */
    public Sector getSelectedSector(){
      Sector info = new Sector((String) ((Spinner)findViewById(R.id.systemList)).getSelectedItem(),
          (String) ((Spinner)findViewById(R.id.gridAlphaList)).getSelectedItem(),
          (String) ((Spinner)findViewById(R.id.gridNumList)).getSelectedItem(),
            -1, "");
      
      return data.populate(info); 
    }
    
    public void onNothingSelected(AdapterView<?> parentView) {
      // Do nothing
    }
  
    /**
     * Handles what to do when the add button is clicked.
     * Namely adding the selected mineral to the sector and updating the lists after.
     */
  public void onClick(View v){
    Mineral mineral  = new Mineral();
    String mineralName = (String)((Spinner)findViewById(R.id.mineralList)).getSelectedItem();
    
    if(!mineralName.equals(emptyMineralString)){
      mineral.setMineral(mineralName);
    
      data.addMineralToSector(currentSector, mineral);
      setMineralLists(currentSector);
    }
  }
  
  public void onItemClick(AdapterView<?> parent, View view, int pos, long id) {
    //Get the name of the selected mineral
    String mineralName = (String) ((ListView)findViewById(R.id.oreList)).getItemAtPosition(pos);
    data.removeMineralFromSector(currentSector, new Mineral(null, mineralName));
    
    refreshCurrentSector();
    setMineralLists(currentSector);
  }
  
  private void setMineralLists(Sector sector){
    //Populate the list with the initial data
    //Remove the ones we don't want
    mineralList.clear();
    mineralList.addAll(Static.mineralList);
    
        //Grab the ore list for later
        ArrayAdapter<String> oreListAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1,
            new ArrayList<String>());
        ((ListView)findViewById(R.id.oreList)).setAdapter(oreListAdapter);
        
        //Add and remove the needed things from the lists 
        for(Mineral mineral : sector.getMinerals()){
          mineralList.remove(mineral.getMineral());
          
          oreListAdapter.add(mineral.getMineral());
        }
        
        //Check to see if the mineral list is empty. If so add the emtpy mineral
        if(mineralList.size() == 0)
          mineralList.add(emptyMineralString);
        
        mineralAdapter.notifyDataSetChanged();
        oreListAdapter.notifyDataSetChanged();
  }
}

Java Source Code List

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