OverwriteRenameDialog.java

/*
 * Catroid: An on-device visual programming system for Android devices
 * Copyright (C) 2010-2016 The Catrobat Team
 * (<http://developer.catrobat.org/credits>)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * An additional term exception under section 7 of the GNU Affero
 * General Public License, version 3, is available at
 * http://developer.catrobat.org/license_additional_term
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.catrobat.catroid.ui.dialogs;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnKeyListener;
import android.content.DialogInterface.OnShowListener;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;

import org.catrobat.catroid.ProjectManager;
import org.catrobat.catroid.R;
import org.catrobat.catroid.utils.DownloadUtil;
import org.catrobat.catroid.utils.ToastUtil;
import org.catrobat.catroid.utils.Utils;

public class OverwriteRenameDialog extends DialogFragment implements OnClickListener {
	private static final String TAG = OverwriteRenameDialog.class.getSimpleName();

	protected RadioButton replaceButton;
	protected RadioButton renameButton;
	protected String programName;
	protected String url;
	protected Context context;
	protected EditText projectText;
	protected TextView projectTextView;
	protected View projectTextLine;

	public static final String DIALOG_FRAGMENT_TAG = "overwrite_rename_look";

	public OverwriteRenameDialog() {
		super();
	}

	public void setProgramName(String programName) {
		this.programName = programName;
	}

	public void setURL(String url) {
		this.url = url;
	}

	public void setContext(Context context) {
		this.context = context;
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
		View dialogView = LayoutInflater.from(context).inflate(R.layout.dialog_overwrite_project, null);

		replaceButton = (RadioButton) dialogView.findViewById(R.id.dialog_overwrite_project_radio_replace);
		replaceButton.setOnClickListener(this);
		renameButton = (RadioButton) dialogView.findViewById(R.id.dialog_overwrite_project_radio_rename);
		renameButton.setOnClickListener(this);
		projectText = (EditText) dialogView.findViewById(R.id.dialog_overwrite_project_edit);
		projectText.setText(programName);
		projectTextView = (TextView) dialogView.findViewById(R.id.dialog_overwrite_project_edit_text);
		projectTextLine = dialogView.findViewById(R.id.dialog_overwrite_project_edit_line);

		Dialog dialog = new AlertDialog.Builder(getActivity()).setView(dialogView).setTitle(R.string.overwrite_text)
				.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
					}
				}).setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
						Log.d(TAG, "User canceled dialog by pressing Cancel-button");
						ToastUtil.showError(context, R.string.notification_download_project_cancel);
						DownloadUtil.getInstance().downloadCanceled(url);
					}
				}).create();

		dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);

		dialog.setOnShowListener(new OnShowListener() {
			@Override
			public void onShow(DialogInterface dialog) {
				Button positiveButton = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
				positiveButton.setOnClickListener(new OnClickListener() {
					@Override
					public void onClick(View view) {
						handleOkButton();
					}
				});
			}
		});

		dialog.setOnKeyListener(new OnKeyListener() {
			@Override
			public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
				if (event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER) {
					boolean okButtonResult = handleOkButton();
					if (okButtonResult) {
						dismiss();
					}
					return okButtonResult;
				} else if (keyCode == KeyEvent.KEYCODE_BACK) {
					Log.d(TAG, "User canceled dialog by pressing Back-button");
					ToastUtil.showError(context, R.string.notification_download_project_cancel);
					DownloadUtil.getInstance().downloadCanceled(url);
					dismiss();
					return true;
				}

				return false;
			}
		});

		return dialog;
	}

	@Override
	public void onClick(View view) {
		switch (view.getId()) {
			case R.id.dialog_overwrite_project_radio_replace:
				projectTextView.setVisibility(TextView.GONE);
				projectTextLine.setVisibility(View.GONE);
				projectText.setVisibility(EditText.GONE);
				break;

			case R.id.dialog_overwrite_project_radio_rename:
				projectTextView.setVisibility(TextView.VISIBLE);
				projectTextLine.setVisibility(View.VISIBLE);
				projectText.setVisibility(EditText.VISIBLE);
				break;

			default:
				break;
		}
	}

	@Override
	public void onCancel(DialogInterface dialog) {
		super.onCancel(dialog);
		Log.d(TAG, "User canceled dialog by clicking outside of the Dialog fragment");
		ToastUtil.showError(context, R.string.notification_download_project_cancel);
		DownloadUtil.getInstance().downloadCanceled(url);
	}

	private boolean handleOkButton() {
		if (replaceButton.isChecked()) {
			ProjectManager.getInstance().setProject(null);
			DownloadUtil.getInstance().startDownload(context, url, programName, false);
		} else if (renameButton.isChecked()) {
			String newProgramName = projectText.getText().toString();
			if (Utils.checkIfProjectExistsOrIsDownloadingIgnoreCase(newProgramName)) {
				return false;
			}

			DownloadUtil.getInstance().startDownload(context, url, newProgramName, true);
		}
		dismiss();

		return true;
	}
}