Android Open Source - graph-android Window Settings Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package lorian.graph.android;
/*  ww  w  . j ava2s  .c om*/
import lorian.graph.WindowSettings;
import lorian.graph.android.opengl.GraphRenderer;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.TextView;
import android.annotation.SuppressLint;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.DialogInterface.OnCancelListener;
import android.os.Build;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;

import com.michaelnovakjr.numberpicker.*;

public class WindowSettingsActivity extends PreferenceActivity implements
OnTouchListener, OnCancelListener, NumberPickerDialog.OnNumberSetListener,
SharedPreferences.OnSharedPreferenceChangeListener
{

  private NumberPickerDialog dialog;
  int changingViewId = -1;
  boolean numberDialogOpen = false;
  
  public static WindowSettings windowsettings;
  
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle savedInstanceState) 
  {
    super.onCreate(savedInstanceState);
    setupActionBar();
    addPreferencesFromResource(R.xml.preferences);
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    
    prefs.registerOnSharedPreferenceChangeListener(this);
    
    this.onSharedPreferenceChanged(prefs, "window_settings_auto_calc_ymin_ymax"); 
    /*
    SharedPreferences.Editor edit = prefs.edit();
    edit.putInt("window_settings_xmin", (int) windowsettings.getXmin());
    edit.putInt("window_settings_xmax", (int) windowsettings.getXmax());
    edit.putInt("window_settings_ymin", (int) windowsettings.getYmin());
    edit.putInt("window_settings_ymax", (int) windowsettings.getYmax());
    edit.putBoolean("window_settings_grid", windowsettings.gridOn());
    edit.apply();
    */
  }
  /*
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_windowsettings);
    // Show the Up button in the action bar.
    setupActionBar();
    
    
    this.findViewById(R.id.windowsettings_xmin_value).setOnTouchListener(this);
    this.findViewById(R.id.windowsettings_xmax_value).setOnTouchListener(this);
    this.findViewById(R.id.windowsettings_ymin_value).setOnTouchListener(this);
    this.findViewById(R.id.windowsettings_ymax_value).setOnTouchListener(this);
    
  }
  */
  /**
   * Set up the {@link android.app.ActionBar}, if the API is available.
   */
  @SuppressLint("NewApi")
  private void setupActionBar() {
    if (Build.VERSION.SDK_INT >= 11) {
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    return false;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId())
    {
      case android.R.id.home:
        this.finish();
        return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void onNumberSet(int selectedNumber) {
    ((TextView) this.findViewById(changingViewId)).setText(String.valueOf(selectedNumber));
    numberDialogOpen = false;
  }

  @Override
  public void onCancel(DialogInterface dialog) {
    numberDialogOpen = false;
    
  }
  

  @Override
  public boolean onTouch(View v, MotionEvent event) {
    if(numberDialogOpen) return false;
    changingViewId = v.getId();
    numberDialogOpen = true;
    int initialValue = Integer.parseInt(((TextView) this.findViewById(changingViewId)).getText().toString());
    dialog = new NumberPickerDialog(WindowSettingsActivity.this, -1, 0);
        dialog.setOnNumberSetListener(this);
        dialog.setOnCancelListener(this);
        dialog.getNumberPicker().setRange(Integer.MIN_VALUE, Integer.MAX_VALUE); 
        dialog.getNumberPicker().setCurrent(initialValue);
        dialog.show();
        return true;
  }
  @SuppressWarnings("deprecation")
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
      String key) {
    
    Log.d(GraphActivity.TAG, "Updating " + key);
    
    
    Preference pref = this.getPreferenceScreen().findPreference(key);
    if(pref instanceof NumberPickerPreference)
    {
      if(key.endsWith("min"))
        ((NumberPickerPreference) pref).notifyValueChanged(sharedPreferences.getInt(key, -8));
      else
        ((NumberPickerPreference) pref).notifyValueChanged(sharedPreferences.getInt(key, 8));
    }
    if(key.endsWith("auto_calc_ymin_ymax"))
    {
      boolean value = sharedPreferences.getBoolean(key, true);
      GraphRenderer.auto_calc_ymin_ymax = value;
      this.getPreferenceScreen().findPreference("window_settings_ymin").setEnabled(!value);
      this.getPreferenceScreen().findPreference("window_settings_ymax").setEnabled(!value);
    }

    else if(key.endsWith("xmin"))
    {
      int value = sharedPreferences.getInt(key, -8);
      windowsettings.setXmin(value);
    }
    else if(key.endsWith("xmax"))
    {
      int value = sharedPreferences.getInt(key, 8);
      windowsettings.setXmax(value);
    }
    else if(key.endsWith("ymin"))
    {
      int value = sharedPreferences.getInt(key, -8);
      windowsettings.setYmin(value);
    }
    else if(key.endsWith("ymax"))
    {
      int value = sharedPreferences.getInt(key, 8);
      windowsettings.setYmax(value);
    }
    else if(key.endsWith("grid"))
    {
      boolean value = sharedPreferences.getBoolean(key, false);
      windowsettings.setGrid(value);
      
    }
    GraphRenderer.notifyWindowSettingsChanged();
    
  }

  


}

Java Source Code List

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