Android Open Source - Swinedroid Server Edit

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Back to project page Swinedroid.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.legind.swinedroid;
//ww w  .  ja v a  2 s.  com
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout.LayoutParams;

import com.legind.Dialogs.ErrorMessageHandler;
import com.legind.sqlite.ServerDbAdapter;

public class ServerEdit extends Activity {
  private ServerDbAdapter mDbHelper;
  private ErrorMessageHandler mEMH;
  private String mHostString;
  private EditText mHostText;
  private EditText mPortText;
  private EditText mUsernameText;
  private EditText mPasswordText;
  private Long mRowId;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // get rid of title, also set the layout to fill parent.  this doesn't function properly in the layout XML
        getWindow().requestFeature(Window.FEATURE_NO_TITLE);
      setContentView(R.layout.server_edit);
    getWindow().setLayout(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
    
    mDbHelper = new ServerDbAdapter(this);
    mDbHelper.open();
    mEMH = new ErrorMessageHandler(this, findViewById(R.id.server_edit_error_layout_root));
    mHostString = null;

    mHostText = (EditText) findViewById(R.id.host);
    mPortText = (EditText) findViewById(R.id.port);
    mUsernameText = (EditText) findViewById(R.id.username);
    mPasswordText = (EditText) findViewById(R.id.password);

    Button confirmButton = (Button) findViewById(R.id.confirm);
    Button cancelButton = (Button) findViewById(R.id.server_edit_cancel);

    if(savedInstanceState != null){
      if(!savedInstanceState.getBoolean(ServerDbAdapter.KEY_ROWID + "_null")){
        mRowId = savedInstanceState.getLong(ServerDbAdapter.KEY_ROWID);
        mHostText.setText(savedInstanceState.getString(ServerDbAdapter.KEY_HOST));
        mPortText.setText(savedInstanceState.getString(ServerDbAdapter.KEY_PORT));
        mUsernameText.setText(savedInstanceState.getString(ServerDbAdapter.KEY_USERNAME));
        mPasswordText.setText(savedInstanceState.getString(ServerDbAdapter.KEY_PASSWORD));
        mHostString = savedInstanceState.getString("mHostString");
      } else {
        mRowId = null;
      }
    } else {
      mRowId = null;
    }
    
    if (mRowId == null) {
      Bundle extras = getIntent().getExtras();
      if(extras != null){
        mRowId = extras.getLong(ServerDbAdapter.KEY_ROWID);
        populateFields();
      } else {
        mRowId = null;
      }
    }

    final Pattern hostPattern = Pattern.compile("^((?:[\\w-]+\\.)*\\w[\\w-]{0,66})\\.([a-z]{2,6}(?:\\.[a-z]{2})?)$");
    confirmButton.setOnClickListener(new View.OnClickListener() {

      public void onClick(View view) {
        String errorString = "";
        
        Matcher hostMatcher = hostPattern.matcher(mHostText.getText().toString());
        if(!hostMatcher.matches())
          errorString += "Invalid host specification.  Please make sure you entered a valid host.";
        int port = 0;
        if(mPortText.getText().toString().length() != 0)
          port = Integer.parseInt(mPortText.getText().toString());
        if(port < 1 || port > 65535)
          errorString += (errorString == "" ? "" : "\n\n") + "Invalid port specification.  Valid range is 1-65535.";
        if(errorString != ""){
          mEMH.DisplayErrorMessage(errorString);
        } else {
          saveState();
          setResult(RESULT_OK);
          finish();
        }
      }

    });
    
    cancelButton.setOnClickListener(new View.OnClickListener() {
      public void onClick(View view) {
        setResult(RESULT_CANCELED);
        finish();
      }
    });
  }
    
  @Override
  protected void onDestroy() {
    mDbHelper.close();
    super.onDestroy();
  }

  private void populateFields() {
    if (mRowId != null) {
      Cursor server = mDbHelper.fetch(mRowId);
      startManagingCursor(server);
      mHostString = server.getString(server.getColumnIndexOrThrow(ServerDbAdapter.KEY_HOST));
      mHostText.setText(mHostString);
      mPortText.setText(server.getString(server.getColumnIndexOrThrow(ServerDbAdapter.KEY_PORT)));
      mUsernameText.setText(server.getString(server.getColumnIndexOrThrow(ServerDbAdapter.KEY_USERNAME)));
      mPasswordText.setText(server.getString(server.getColumnIndexOrThrow(ServerDbAdapter.KEY_PASSWORD)));
    }
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    if(mRowId != null){
      outState.putBoolean(ServerDbAdapter.KEY_ROWID + "_null", false);
      outState.putLong(ServerDbAdapter.KEY_ROWID, mRowId);
      outState.putString(ServerDbAdapter.KEY_HOST, mHostText.getText().toString());
      outState.putString(ServerDbAdapter.KEY_PORT, mPortText.getText().toString());
      outState.putString(ServerDbAdapter.KEY_USERNAME, mUsernameText.getText().toString());
      outState.putString(ServerDbAdapter.KEY_PASSWORD, mPasswordText.getText().toString());
      outState.putString("mHostString", mHostString);
    } else {
      outState.putBoolean(ServerDbAdapter.KEY_ROWID + "_null", true);
    }
  }

  private void saveState() {
    String host = mHostText.getText().toString();
    int port = Integer.parseInt(mPortText.getText().toString());
    String username = mUsernameText.getText().toString();
    String password = mPasswordText.getText().toString();

    if (mRowId == null) {
      long id = mDbHelper.createServer(host, port, username, password);
      if (id > 0) {
        mRowId = id;
      }
    } else {
      if(host.equals(mHostString)){
        mDbHelper.updateServer(mRowId, host, port, username, password);
      } else {
        mDbHelper.updateServer(mRowId, host, port, username, password, null, null);
      }
    }
  }

}

Java Source Code List

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