/* * Copyright (c) 2015, Netsyms Technologies * All rights reserved. * * * CODE LICENSE ========== * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. 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. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * 4. You adhere to the Media License detailed below. If you do not, this license * is automatically revoked and you must purge all copies of the software you * possess, in source or binary form. * * 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 HOLDER 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. * * * MEDIA LICENSE ========== * All images and other graphical files ("media") included with this * software are copyright (c) 2015 Netsyms Technologies. You may not distribute * the graphics or any program, source code repository, or other digital storage * media containing them without permission from Netsyms Technologies. * This ban on distribution only applies to publicly available systems. * A password-protected network file share, USB drive, or other storage scheme that * cannot be easily accessed by the public is generally allowed. If in doubt, * contact Netsyms Technologies. If Netsyms Technologies allows or denies * you permission, that decision is considered final and binding. * * You may only use the media for personal, * non-commercial, non-educational use unless: * 1, You have paid for the software and media via the SyMAT website, * or 2, you are using it as part of the 15-day trial period. * Other uses are prohibited without permission. * If any part of this license is deemed unenforcable, the remainder * of the license remains in full effect. */ package net.apocalypselabs.symat; import java.awt.Font; import java.awt.event.KeyEvent; import java.io.IOException; import javax.swing.JFileChooser; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; import javax.swing.filechooser.FileFilter; import javax.swing.filechooser.FileNameExtensionFilter; import javax.swing.text.DefaultCaret; import org.fife.ui.autocomplete.AutoCompletion; import org.fife.ui.autocomplete.CompletionProvider; /** * * @author Skylar */ public class Interpreter extends javax.swing.JInternalFrame { private final CodeRunner cr; private String[] history = new String[10]; // Command history buffer private String commandsForExport = ""; // History for saving private int historyIndex = 0; // For going back in time and keeping things straight private String lang = "javascript"; private Object ans = 0; private CompletionProvider jscomp = new CodeCompleter("js").getProvider(); private CompletionProvider pycomp = new CodeCompleter("py").getProvider(); private AutoCompletion jsac = new AutoCompletion(jscomp); private AutoCompletion pyac = new AutoCompletion(pycomp); private Interpreter thisobject; private String cursorStr = ">>"; /** * Creates new form Interpreter * * @param useLang The script language to use. "javascript", "python", or * "default". */ public Interpreter(String useLang) { thisobject = this; initComponents(); // Setup code runner lang = useLang; if (lang.equals("default")) { lang = PrefStorage.getSetting("shellLang", "javascript"); } jLabel1.setText(" >>"); cursorStr = (PrefStorage.getSetting("shellcursor", "").equals("") ? "" : (lang.startsWith("j") ? "js" : "py")) + ">>"; cr = new CodeRunner(lang); // Setup language if (lang.equals("python")) { javascriptMenu.setSelected(false); pythonMenu.setSelected(true); pyac.install(inputBox); setTitle("Shell [python]"); } else { jsac.install(inputBox); setTitle("Shell [javascript]"); } // Set font int font_size = 12; try { font_size = Integer.valueOf(PrefStorage.getSetting("editfont", "12")); } catch (Exception ex) { } mainBox.setFont(new Font(Font.MONOSPACED, Font.PLAIN, font_size)); inputBox.setFont(new Font(Font.MONOSPACED, Font.PLAIN, font_size)); // Set theme loadTheme(); // Misc. setup mainBox.setText(cursorStr); inputBox.requestFocus(); } public Interpreter() { this("default"); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // //GEN-BEGIN:initComponents private void initComponents() { langGroup = new javax.swing.ButtonGroup(); jScrollPane1 = new javax.swing.JScrollPane(); mainBox = new javax.swing.JTextArea(); inputBox = new javax.swing.JTextField(); runBtn = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); jMenuBar1 = new javax.swing.JMenuBar(); jMenu3 = new javax.swing.JMenu(); exportHistoryBtn = new javax.swing.JMenuItem(); jMenu4 = new javax.swing.JMenu(); clearBtn = new javax.swing.JMenuItem(); langMenu = new javax.swing.JMenu(); jMenu1 = new javax.swing.JMenu(); javascriptMenu = new javax.swing.JRadioButtonMenuItem(); pythonMenu = new javax.swing.JRadioButtonMenuItem(); setDefaultLang = new javax.swing.JMenuItem(); setClosable(true); setIconifiable(true); setMaximizable(true); setResizable(true); setTitle("Shell"); setFrameIcon(new javax.swing.ImageIcon(getClass().getResource("/net/apocalypselabs/symat/icons/shell.png"))); // NOI18N addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { formMouseClicked(evt); } }); addFocusListener(new java.awt.event.FocusAdapter() { public void focusGained(java.awt.event.FocusEvent evt) { formFocusGained(evt); } }); mainBox.setEditable(false); mainBox.setColumns(20); mainBox.setFont(new java.awt.Font("Courier New", 0, 15)); // NOI18N mainBox.setLineWrap(true); mainBox.setRows(2); mainBox.setTabSize(4); mainBox.setWrapStyleWord(true); DefaultCaret caret = (DefaultCaret)mainBox.getCaret(); caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE); mainBox.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { mainBoxMouseClicked(evt); } }); jScrollPane1.setViewportView(mainBox); inputBox.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { inputBoxMouseClicked(evt); } }); inputBox.addKeyListener(new java.awt.event.KeyAdapter() { public void keyPressed(java.awt.event.KeyEvent evt) { inputBoxKeyPressed(evt); } public void keyTyped(java.awt.event.KeyEvent evt) { inputBoxKeyTyped(evt); } }); runBtn.setText("Run"); runBtn.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { runBtnMouseClicked(evt); } }); runBtn.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { runBtnActionPerformed(evt); } }); jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); jLabel1.setText(">>"); jMenu3.setText("File"); exportHistoryBtn.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK)); exportHistoryBtn.setText("Save history..."); exportHistoryBtn.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { exportHistoryBtnActionPerformed(evt); } }); jMenu3.add(exportHistoryBtn); jMenuBar1.add(jMenu3); jMenu4.setText("Edit"); clearBtn.setText("Clear window"); clearBtn.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { clearBtnActionPerformed(evt); } }); jMenu4.add(clearBtn); jMenuBar1.add(jMenu4); langMenu.setText("Language"); jMenu1.setText("Switch"); langGroup.add(javascriptMenu); javascriptMenu.setSelected(true); javascriptMenu.setText("JavaScript"); javascriptMenu.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { javascriptMenuActionPerformed(evt); } }); jMenu1.add(javascriptMenu); langGroup.add(pythonMenu); pythonMenu.setText("Python"); pythonMenu.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { pythonMenuActionPerformed(evt); } }); jMenu1.add(pythonMenu); langMenu.add(jMenu1); setDefaultLang.setText("Set as default"); setDefaultLang.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { setDefaultLangActionPerformed(evt); } }); langMenu.add(setDefaultLang); jMenuBar1.add(langMenu); setJMenuBar(jMenuBar1); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 422, Short.MAX_VALUE) .addGroup(layout.createSequentialGroup() .addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(inputBox) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(runBtn)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 245, Short.MAX_VALUE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(inputBox, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(runBtn, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)) .addGap(2, 2, 2)) ); pack(); }// //GEN-END:initComponents private void runBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_runBtnActionPerformed doRunCode(); }//GEN-LAST:event_runBtnActionPerformed private void loadTheme() { mainBox.setBackground(Theme.boxColor()); mainBox.setForeground(Theme.textColor()); inputBox.setBackground(Theme.boxColor()); inputBox.setForeground(Theme.textColor()); setBackground(Theme.windowColor()); } private void inputBoxKeyTyped(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_inputBoxKeyTyped if (evt.getKeyChar() == '\n') { doRunCode(); } }//GEN-LAST:event_inputBoxKeyTyped private void inputBoxKeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_inputBoxKeyPressed switch (evt.getKeyCode()) { case KeyEvent.VK_UP: if (historyIndex < 9) { if (historyIndex < 0) { historyIndex++; } inputBox.setText(history[historyIndex]); historyIndex++; } break; case KeyEvent.VK_DOWN: if (historyIndex >= 0) { historyIndex--; if (historyIndex < 0) { historyIndex = 0; inputBox.setText(""); } else { inputBox.setText(history[historyIndex]); } } break; } }//GEN-LAST:event_inputBoxKeyPressed private void setDefaultLangActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_setDefaultLangActionPerformed String pref = "javascript"; if (pythonMenu.isSelected()) { pref = "python"; } PrefStorage.saveSetting("shellLang", pref); PrefStorage.save(); }//GEN-LAST:event_setDefaultLangActionPerformed private void javascriptMenuActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_javascriptMenuActionPerformed if (!lang.equals("javascript")) { Main.loadFrame(new Interpreter("javascript")); dispose(); } }//GEN-LAST:event_javascriptMenuActionPerformed private void pythonMenuActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_pythonMenuActionPerformed if (!lang.equals("python")) { Main.loadFrame(new Interpreter("python")); dispose(); } }//GEN-LAST:event_pythonMenuActionPerformed private void formMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_formMouseClicked loadTheme(); }//GEN-LAST:event_formMouseClicked private void mainBoxMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_mainBoxMouseClicked formMouseClicked(evt); }//GEN-LAST:event_mainBoxMouseClicked private void inputBoxMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_inputBoxMouseClicked formMouseClicked(evt); }//GEN-LAST:event_inputBoxMouseClicked private void runBtnMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_runBtnMouseClicked formMouseClicked(evt); }//GEN-LAST:event_runBtnMouseClicked private void exportHistoryBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exportHistoryBtnActionPerformed JFileChooser fc = new JFileChooser(); FileFilter filter; if (javascriptMenu.isSelected()) { filter = new FileNameExtensionFilter("SyMAT JavaScript (.syjs)", "syjs"); } else { filter = new FileNameExtensionFilter("SyMAT Python (.sypy)", "sypy"); } fc.setFileFilter(filter); fc.addChoosableFileFilter(filter); int result = fc.showSaveDialog(this); if (result == JFileChooser.APPROVE_OPTION) { try { FileUtils.saveFile(commandsForExport, FileUtils.getFileWithExtension(fc).toString(), true); } catch (IOException ex) { JOptionPane.showInternalMessageDialog(this, "Error saving: " + ex.getMessage(), "Error", JOptionPane.ERROR_MESSAGE); } } }//GEN-LAST:event_exportHistoryBtnActionPerformed private void clearBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_clearBtnActionPerformed mainBox.setText(cursorStr); commandsForExport = ""; }//GEN-LAST:event_clearBtnActionPerformed private void formFocusGained(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_formFocusGained inputBox.requestFocusInWindow(); }//GEN-LAST:event_formFocusGained private void doRunCode() { String code = inputBox.getText(); commandsForExport += code + "\n"; mainBox.append(" " + code + "\n"); runBtn.setEnabled(false); inputBox.setEnabled(false); new EvalThread(code).start(); } private class EvalThread extends Thread { private String code = ""; public EvalThread(String cmd) { code = cmd; } /** * Process control commands. * * @return True if the modified code should be executed, false if not. */ private boolean doSpecialCommands() { switch (code) { case "clc": case "clear": clrOutput(); return false; case "exit": thisobject.dispose(); } // Implement ans command String ansfill; try { ansfill = String.valueOf(Double.parseDouble(ans.toString())); } catch (NumberFormatException ex) { ansfill = "\"" + ans.toString() + "\""; } code = code.replace("ans", ansfill); return true; } @Override @SuppressWarnings("null") public void run() { try { if (doSpecialCommands()) { Object result = cr.evalString(code); if (result != null && !result.toString().trim().equals("")) { ans = result; } append(result.toString() + "\n"); } } catch (NullPointerException ex) { } append(cursorStr); for (int i = 9; i > 0; i--) { history[i] = history[i - 1]; } history[0] = code; clrInput(); historyIndex = -1; SwingUtilities.invokeLater(new Runnable() { @Override public void run() { inputBox.setEnabled(true); runBtn.setEnabled(true); inputBox.requestFocusInWindow(); } }); } private void clrInput() { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { inputBox.setText(""); } }); } private void clrOutput() { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { mainBox.setText(""); commandsForExport = ""; } }); } private void append(String out) { final String output = out; SwingUtilities.invokeLater(new Runnable() { @Override public void run() { mainBox.append(output); mainBox.setCaretPosition(mainBox.getText().length()); } }); } } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JMenuItem clearBtn; private javax.swing.JMenuItem exportHistoryBtn; private javax.swing.JTextField inputBox; private javax.swing.JLabel jLabel1; private javax.swing.JMenu jMenu1; private javax.swing.JMenu jMenu3; private javax.swing.JMenu jMenu4; private javax.swing.JMenuBar jMenuBar1; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JRadioButtonMenuItem javascriptMenu; private javax.swing.ButtonGroup langGroup; private javax.swing.JMenu langMenu; private javax.swing.JTextArea mainBox; private javax.swing.JRadioButtonMenuItem pythonMenu; private javax.swing.JButton runBtn; private javax.swing.JMenuItem setDefaultLang; // End of variables declaration//GEN-END:variables }