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+/*
+ * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of Oracle nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+/*
+ * Few user interface utilities.
+ */
+
+if (this.window === undefined) {
+ this.window = null;
+}
+
+/**
+ * Swing invokeLater - invokes given function in AWT event thread
+ */
+Function.prototype.invokeLater = function() {
+ var SwingUtilities = javax.swing.SwingUtilities;
+ var func = this;
+ var args = arguments;
+ SwingUtilities.invokeLater(new java.lang.Runnable() {
+ run: function() {
+ func.apply(func, args);
+ }
+ });
+};
+
+/**
+ * Swing invokeAndWait - invokes given function in AWT event thread
+ * and waits for it's completion
+ */
+Function.prototype.invokeAndWait = function() {
+ var SwingUtilities = javax.swing.SwingUtilities;
+ var func = this;
+ var args = arguments;
+ SwingUtilities.invokeAndWait(new java.lang.Runnable() {
+ run: function() {
+ func.apply(func, args);
+ }
+ });
+};
+
+/**
+ * Am I running in AWT event dispatcher thread?
+ */
+function isEventThread() {
+ var SwingUtilities = javax.swing.SwingUtilities;
+ return SwingUtilities.isEventDispatchThread();
+}
+isEventThread.docString = "returns whether the current thread is GUI thread";
+
+/**
+ * Opens a file dialog box
+ *
+ * @param curDir current directory [optional]
+ * @param save flag tells whether this is a save dialog or not
+ * @return selected file or else null
+ */
+function fileDialog(curDir, save) {
+ var result;
+ function _fileDialog() {
+ if (curDir == undefined) {
+ curDir = new java.io.File(".");
+ }
+
+ var JFileChooser = javax.swing.JFileChooser;
+ var dialog = new JFileChooser(curDir);
+ var res = save ? dialog.showSaveDialog(window):
+ dialog.showOpenDialog(window);
+
+ if (res == JFileChooser.APPROVE_OPTION) {
+ result = dialog.getSelectedFile();
+ } else {
+ result = null;
+ }
+ }
+
+ if (isEventThread()) {
+ _fileDialog();
+ } else {
+ _fileDialog.invokeAndWait();
+ }
+
+ return result;
+}
+fileDialog.docString = "show a file dialog box";
+
+/**
+ * Opens a color chooser dialog box
+ *
+ * @param title of the dialog box [optional]
+ * @param color default color [optional]
+ * @return chosen color or default color
+ */
+function colorDialog(title, color) {
+ var result;
+
+ function _colorDialog() {
+ if (title == undefined) {
+ title = "Choose Color";
+ }
+
+ if (color == undefined) {
+ color = java.awt.Color.BLACK;
+ }
+
+ var chooser = new javax.swing.JColorChooser();
+ var res = chooser.showDialog(window, title, color);
+ result = res ? res : color;
+ }
+
+ if (isEventThread()) {
+ _colorDialog();
+ } else {
+ _colorDialog.invokeAndWait();
+ }
+
+ return result;
+}
+colorDialog.docString = "shows a color chooser dialog box";
+
+/**
+ * Shows a message box
+ *
+ * @param msg message to be shown
+ * @param title title of message box [optional]
+ * @param msgType type of message box [constants in JOptionPane]
+ */
+function msgBox(msg, title, msgType) {
+ function _msgBox() {
+ var JOptionPane = javax.swing.JOptionPane;
+ if (msg === undefined) msg = "undefined";
+ if (msg === null) msg = "null";
+ if (title == undefined) title = msg;
+ if (msgType == undefined) msgType = JOptionPane.INFORMATION_MESSAGE;
+ JOptionPane.showMessageDialog(window, msg, title, msgType);
+ }
+
+ if (isEventThread()) {
+ _msgBox();
+ } else {
+ _msgBox.invokeAndWait();
+ }
+}
+msgBox.docString = "shows MessageBox to the user";
+
+/**
+ * Shows an information alert box
+ *
+ * @param msg message to be shown
+ * @param title title of message box [optional]
+ */
+function alert(msg, title) {
+ var JOptionPane = javax.swing.JOptionPane;
+ msgBox(msg, title, JOptionPane.INFORMATION_MESSAGE);
+}
+alert.docString = "shows an alert message box to the user";
+
+/**
+ * Shows an error alert box
+ *
+ * @param msg message to be shown
+ * @param title title of message box [optional]
+ */
+function error(msg, title) {
+ var JOptionPane = javax.swing.JOptionPane;
+ msgBox(msg, title, JOptionPane.ERROR_MESSAGE);
+}
+error.docString = "shows an error message box to the user";
+
+/**
+ * Shows a warning alert box
+ *
+ * @param msg message to be shown
+ * @param title title of message box [optional]
+ */
+function warn(msg, title) {
+ var JOptionPane = javax.swing.JOptionPane;
+ msgBox(msg, title, JOptionPane.WARNING_MESSAGE);
+}
+warn.docString = "shows a warning message box to the user";
+
+/**
+ * Shows a prompt dialog box
+ *
+ * @param question question to be asked
+ * @param answer default answer suggested [optional]
+ * @return answer given by user
+ */
+function prompt(question, answer) {
+ var result;
+ function _prompt() {
+ var JOptionPane = javax.swing.JOptionPane;
+ if (answer == undefined) answer = "";
+ result = JOptionPane.showInputDialog(window, question, answer);
+ }
+
+ if (isEventThread()) {
+ _prompt();
+ } else {
+ _prompt.invokeAndWait();
+ }
+
+ return result;
+}
+prompt.docString = "shows a prompt box to the user and returns the answer";
+
+/**
+ * Shows a confirmation dialog box
+ *
+ * @param msg message to be shown
+ * @param title title of message box [optional]
+ * @return boolean (yes->true, no->false)
+ */
+function confirm(msg, title) {
+ var result;
+ var JOptionPane = javax.swing.JOptionPane;
+
+ function _confirm() {
+ if (title == undefined) title = msg;
+ var optionType = JOptionPane.YES_NO_OPTION;
+ result = JOptionPane.showConfirmDialog(window, msg, title, optionType);
+ }
+
+ if (isEventThread()) {
+ _confirm();
+ } else {
+ _confirm.invokeAndWait();
+ }
+
+ return result == JOptionPane.YES_OPTION;
+}
+confirm.docString = "shows a confirmation message box to the user";
+
+/**
+ * Exit the process after confirmation from user
+ *
+ * @param exitCode return code to OS [optional]
+ */
+function exit(exitCode) {
+ if (exitCode == undefined) exitCode = 0;
+ if (confirm("Do you really want to exit?")) {
+ java.lang.System.exit(exitCode);
+ }
+}
+exit.docString = "exits jconsole";
+
+// synonym to exit
+var quit = exit;
+
+// if echo function is not defined, define it as synonym
+// for println function
+if (this.echo == undefined) {
+ function echo(str) {
+ println(str);
+ }
+}
+