Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7a5879cb authored by Benson Huang's avatar Benson Huang Committed by Android Git Automerger
Browse files

am 46104d8a: [FM] Only space character should not be allowed while renaming a... 

am 46104d8a: [FM] Only space character should not be allowed while renaming a FM channel or a recorded audio file

* commit '46104d8a':
  [FM] Only space character should not be allowed while renaming a FM channel or a recorded audio file
parents 3dfb1097 46104d8a

src/com/android/fmradio/dialogs/FmFavoriteEditDialog.java

+63 −8
Original line number Diff line number Diff line
@@ -24,7 +24,10 @@ import android.content.DialogInterface; 
import android.os.Bundle;

import android.text.Editable;

import android.text.Selection;

import android.text.TextUtils;

import android.text.TextWatcher;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;



import com.android.fmradio.R;
@@ -37,7 +40,7 @@ public class FmFavoriteEditDialog extends DialogFragment { 
    private static final String STATION_NAME = "station_name";

    private static final String STATION_FREQ = "station_freq";

    private EditFavoriteListener mListener = null;

    private EditText mEditTextFrequency = null;

    private EditText mStationNameEditor = null;



    /**

     * Create edit favorite dialog instance, caller should implement edit
@@ -81,18 +84,18 @@ public class FmFavoriteEditDialog extends DialogFragment { 
        String stationName = getArguments().getString(STATION_NAME);

        final int stationFreq = getArguments().getInt(STATION_FREQ);

        View v = View.inflate(getActivity(), R.layout.editstation, null);

        final EditText editTextStationName = (EditText) v.findViewById(

        mStationNameEditor = (EditText) v.findViewById(

                R.id.dlg_edit_station_name_text);



        if (null == stationName || "".equals(stationName)) {

        if (null == stationName || "".equals(stationName.trim())) {

            stationName = "";

        }



        editTextStationName.requestFocus();

        editTextStationName.requestFocusFromTouch();

        mStationNameEditor.requestFocus();

        mStationNameEditor.requestFocusFromTouch();

        // Edit

        editTextStationName.setText(stationName);

        Editable text = editTextStationName.getText();

        mStationNameEditor.setText(stationName);

        Editable text = mStationNameEditor.getText();

        Selection.setSelection(text, text.length());

        return new AlertDialog.Builder(getActivity())

                // Must call setTitle here or the title will not be displayed.
@@ -100,11 +103,63 @@ public class FmFavoriteEditDialog extends DialogFragment { 
                .setPositiveButton(R.string.save,

                        new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialog, int which) {

                                String newName = editTextStationName.getText().toString();

                                String newName = mStationNameEditor.getText().toString().trim();

                                mListener.editFavorite(stationFreq, newName);

                            }

                        })

                .setNegativeButton(android.R.string.cancel, null)

                .create();

    }



    /**

     * Set the dialog edit text and other attribute.

     */

    @Override

    public void onResume() {

        super.onResume();

        setTextChangedCallback();

        String toName = mStationNameEditor.getText().toString();

        // empty or blank or white space only name is not allowed

        toggleSaveButton(toName != null && TextUtils.getTrimmedLength(toName) > 0);

    }



    /**

     * This method register callback and set filter to Edit, in order to make

     * sure that user input is legal. The input can't be empty/blank/all-spaces filename

     */

    private void setTextChangedCallback() {

        mStationNameEditor.addTextChangedListener(new TextWatcher() {

            // not use, so don't need to implement it

            @Override

            public void afterTextChanged(Editable arg0) {

            }



            // not use, so don't need to implement it

            @Override

            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }



            /**

             * check user input whether is null or all white space.

             */

            @Override

            public void onTextChanged(CharSequence s, int start, int before, int count) {

                // empty or blank or white space only name is not allowed

                toggleSaveButton(TextUtils.getTrimmedLength(s) > 0);

            }

        });

    }



    /**

     * This method enables or disables save button to forbid renaming station name to null.

     * @param isEnabled true to enable save button, false to disable save button

     */

    private void toggleSaveButton(boolean isEnabled) {

        final AlertDialog dialog = (AlertDialog) getDialog();

        if (dialog == null) {

            return;

        }

        final Button button = dialog.getButton(DialogInterface.BUTTON_POSITIVE);

        button.setEnabled(isEnabled);

    }

}