ConfirmationDialog.java

package de.danoeh.antennapodsp.dialog;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.util.Log;
import de.danoeh.antennapodsp.AppConfig;
import de.danoeh.antennapodsp.R;

/**
 * Creates an AlertDialog which asks the user to confirm something. Other
 * classes can handle events like confirmation or cancellation.
 */
public abstract class ConfirmationDialog {
    private static final String TAG = "ConfirmationDialog";

    Context context;
    int titleId;
    int messageId;

    public ConfirmationDialog(Context context, int titleId, int messageId) {
        this.context = context;
        this.titleId = titleId;
        this.messageId = messageId;
    }

    public void onCancelButtonPressed(DialogInterface dialog) {
        if (AppConfig.DEBUG)
            Log.d(TAG, "Dialog was cancelled");
        dialog.dismiss();
    }

    public abstract void onConfirmButtonPressed(DialogInterface dialog);

    public final AlertDialog createNewDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setTitle(titleId);
        builder.setMessage(messageId);
        builder.setPositiveButton(R.string.confirm_label,
                new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        onConfirmButtonPressed(dialog);
                    }
                });
        builder.setNegativeButton(R.string.cancel_label,
                new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        onCancelButtonPressed(dialog);
                    }
                });
        builder.setOnCancelListener(new DialogInterface.OnCancelListener() {

            @Override
            public void onCancel(DialogInterface dialog) {
                onCancelButtonPressed(dialog);
            }
        });
        return builder.create();
    }
}