Java tutorial
/* * Catroid: An on-device visual programming system for Android devices * Copyright (C) 2010-2014 The Catrobat Team * (<http://developer.fyp14017.hku/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.fyp14017.hku/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.hku/licenses/>. */ package hku.fyp14017.blencode.ui.dialogs; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnKeyListener; import android.content.DialogInterface.OnShowListener; import android.os.Bundle; import android.support.v4.app.DialogFragment; 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 android.widget.Toast; import hku.fyp14017.blencode.ProjectManager; import hku.fyp14017.blencode.R; import hku.fyp14017.blencode.utils.DownloadUtil; import hku.fyp14017.blencode.utils.Utils; import hku.fyp14017.blencode.ProjectManager; import hku.fyp14017.blencode.utils.DownloadUtil; public class OverwriteRenameDialog extends DialogFragment implements OnClickListener { 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(hku.fyp14017.blencode.R.layout.dialog_overwrite_project, null); replaceButton = (RadioButton) dialogView .findViewById(hku.fyp14017.blencode.R.id.dialog_overwrite_project_radio_replace); replaceButton.setOnClickListener(this); renameButton = (RadioButton) dialogView .findViewById(hku.fyp14017.blencode.R.id.dialog_overwrite_project_radio_rename); renameButton.setOnClickListener(this); projectText = (EditText) dialogView.findViewById(hku.fyp14017.blencode.R.id.dialog_overwrite_project_edit); projectText.setText(programName); projectTextView = (TextView) dialogView .findViewById(hku.fyp14017.blencode.R.id.dialog_overwrite_project_edit_text); projectTextLine = dialogView.findViewById(hku.fyp14017.blencode.R.id.dialog_overwrite_project_edit_line); Dialog dialog = new AlertDialog.Builder(getActivity()).setView(dialogView) .setTitle(hku.fyp14017.blencode.R.string.overwrite_text) .setPositiveButton(hku.fyp14017.blencode.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).setNegativeButton(hku.fyp14017.blencode.R.string.cancel_button, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(context, hku.fyp14017.blencode.R.string.notification_download_project_cancel, Toast.LENGTH_SHORT).show(); } }) .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) { Toast.makeText(context, hku.fyp14017.blencode.R.string.notification_download_project_cancel, Toast.LENGTH_SHORT).show(); return true; } return false; } }); return dialog; } @Override public void onClick(View view) { switch (view.getId()) { case hku.fyp14017.blencode.R.id.dialog_overwrite_project_radio_replace: projectTextView.setVisibility(TextView.GONE); projectTextLine.setVisibility(View.GONE); projectText.setVisibility(EditText.GONE); break; case hku.fyp14017.blencode.R.id.dialog_overwrite_project_radio_rename: projectTextView.setVisibility(TextView.VISIBLE); projectTextLine.setVisibility(View.VISIBLE); projectText.setVisibility(EditText.VISIBLE); break; default: break; } } private boolean handleOkButton() { if (replaceButton.isChecked()) { ProjectManager.getInstance().setProject(null); DownloadUtil.getInstance().startDownload(context, url, programName); } else if (renameButton.isChecked()) { String newProgramName = projectText.getText().toString(); if (Utils.checkIfProjectExistsOrIsDownloadingIgnoreCase(newProgramName)) { return false; } DownloadUtil.getInstance().startDownload(context, url, newProgramName); } dismiss(); return true; } }