--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2019 Kevin Lamonte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.ResourceBundle;
+
+import jexer.bits.CellAttributes;
+
+/**
+ * TExceptionDialog displays an exception and its stack trace to the user,
+ * and provides a means to save a troubleshooting report for support.
+ */
+public class TExceptionDialog extends TWindow {
+
+ /**
+ * Translated strings.
+ */
+ private static ResourceBundle i18n = ResourceBundle.getBundle(TExceptionDialog.class.getName());
+
+ // ------------------------------------------------------------------------
+ // Constants --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * The exception. We will actually make it Throwable, for the unlikely
+ * event we catch an Error rather than an Exception.
+ */
+ private Throwable exception;
+
+ /**
+ * The exception's stack trace.
+ */
+ private TList stackTrace;
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Public constructor.
+ *
+ * @param application TApplication that manages this window
+ * @param exception the exception to display
+ */
+ public TExceptionDialog(final TApplication application,
+ final Throwable exception) {
+
+ super(application, i18n.getString("windowTitle"),
+ 1, 1, 70, 20, CENTERED | MODAL);
+
+ this.exception = exception;
+
+ addLabel(i18n.getString("captionLine1"), 1, 1,
+ "twindow.background.modal");
+ addLabel(i18n.getString("captionLine2"), 1, 2,
+ "twindow.background.modal");
+ addLabel(i18n.getString("captionLine3"), 1, 3,
+ "twindow.background.modal");
+ addLabel(i18n.getString("captionLine4"), 1, 4,
+ "twindow.background.modal");
+
+ addLabel(MessageFormat.format(i18n.getString("exceptionString"),
+ exception.getClass().getName(), exception.getMessage()),
+ 2, 6, "ttext", false);
+
+ ArrayList<String> stackTraceStrings = new ArrayList<String>();
+ StackTraceElement [] stack = exception.getStackTrace();
+ for (int i = 0; i < stack.length; i++) {
+ stackTraceStrings.add(stack[i].toString());
+ }
+ stackTrace = addList(stackTraceStrings, 2, 7, getWidth() - 6, 8);
+
+ // Buttons
+ addButton(i18n.getString("saveButton"), 19, getHeight() - 4,
+ new TAction() {
+ public void DO() {
+ saveToFile();
+ }
+ });
+
+ TButton closeButton = addButton(i18n.getString("closeButton"),
+ 35, getHeight() - 4,
+ new TAction() {
+ public void DO() {
+ // Don't do anything, just close the window.
+ TExceptionDialog.this.close();
+ }
+ });
+
+ // Save this for last: make the close button default action.
+ activate(closeButton);
+ }
+
+ // ------------------------------------------------------------------------
+ // TWindow ----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Draw the exception message background.
+ */
+ @Override
+ public void draw() {
+ // Draw window and border.
+ super.draw();
+
+ CellAttributes boxColor = getTheme().getColor("ttext");
+ hLineXY(3, 7, getWidth() - 6, ' ', boxColor);
+ }
+
+ // ------------------------------------------------------------------------
+ // TExceptionDialog -------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Save a troubleshooting report to file. Note that we do NOT translate
+ * the strings within the error report.
+ */
+ private void saveToFile() {
+ // Prompt for filename.
+ PrintWriter writer = null;
+ try {
+ String filename = fileSaveBox(".");
+ if (filename == null) {
+ // User cancelled, bail out.
+ return;
+ }
+ writer = new PrintWriter(new FileWriter(filename));
+ writer.write("Date: " + new Date(System.currentTimeMillis())
+ + "\n");
+
+ // System properties
+ writer.write("System properties:\n");
+ writer.write("-----------------------------------\n");
+ System.getProperties().store(writer, null);
+ writer.write("-----------------------------------\n");
+ writer.write("\n");
+
+ // The exception we caught
+ writer.write("Caught exception:\n");
+ writer.write("-----------------------------------\n");
+ exception.printStackTrace(writer);
+ writer.write("-----------------------------------\n");
+ writer.write("\n");
+ // The exception's cause, if it was set
+ if (exception.getCause() != null) {
+ writer.write("Caught exception's cause:\n");
+ writer.write("-----------------------------------\n");
+ exception.getCause().printStackTrace(writer);
+ writer.write("-----------------------------------\n");
+ }
+ writer.write("\n");
+
+ // The UI stack trace
+ writer.write("UI stack trace:\n");
+ writer.write("-----------------------------------\n");
+ (new Throwable("UI Thread")).printStackTrace(writer);
+ writer.write("-----------------------------------\n");
+ writer.write("\n");
+ writer.close();
+ } catch (IOException e) {
+ messageBox(i18n.getString("errorDialogTitle"),
+ MessageFormat.format(i18n.
+ getString("errorSavingFile"), e.getMessage()));
+ } finally {
+ if (writer != null) {
+ writer.close();
+ writer = null;
+ }
+ }
+ }
+}