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SyMAT/src/net/apocalypselabs/symat/Interpreter.java

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/*
* 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 CompletionProvider javacomp = new CodeCompleter("java").getProvider();
private AutoCompletion jsac = new AutoCompletion(jscomp);
private AutoCompletion pyac = new AutoCompletion(pycomp);
private AutoCompletion javaac = new AutoCompletion(javacomp);
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);
javaMenu.setSelected(false);
pyac.install(inputBox);
setTitle("Shell [python]");
} else if (lang.equals("java")) {
setTitle("Shell [java]");
javascriptMenu.setSelected(false);
pythonMenu.setSelected(false);
javaMenu.setSelected(true);
javaac.install(inputBox);
} 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")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//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();
javaMenu = 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);
langGroup.add(javaMenu);
javaMenu.setText("Java");
javaMenu.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
javaMenuActionPerformed(evt);
}
});
jMenu1.add(javaMenu);
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();
}// </editor-fold>//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";
} else if (javaMenu.isSelected()) {
pref = "java";
}
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 if (javaMenu.isSelected()) {
filter = new FileNameExtensionFilter("SyMAT Java (.syjava)", "syjava");
} 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 javaMenuActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_javaMenuActionPerformed
if (!lang.equals("java")) {
Main.loadFrame(new Interpreter("java"));
dispose();
}
}//GEN-LAST:event_javaMenuActionPerformed
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 javaMenu;
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
}
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