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filebot/source/net/filebot/cli/GroovyPad.java
Reinhard Pointner a584ad83d5 Refactor
2016-11-01 21:20:08 +08:00

319 lines
8.8 KiB
Java

package net.filebot.cli;
import static net.filebot.Logging.*;
import static net.filebot.util.ui.SwingUI.*;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dialog.ModalExclusionType;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import javax.script.Bindings;
import javax.script.ScriptException;
import javax.script.SimpleBindings;
import javax.swing.Action;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JSplitPane;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
import javax.swing.text.JTextComponent;
import org.fife.ui.rsyntaxtextarea.FileLocation;
import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
import org.fife.ui.rsyntaxtextarea.TextEditorPane;
import org.fife.ui.rtextarea.RTextScrollPane;
import net.filebot.ApplicationFolder;
import net.filebot.ResourceManager;
import net.filebot.Settings;
import net.filebot.util.TeePrintStream;
public class GroovyPad extends JFrame {
public static final String DEFAULT_SCRIPT = "runScript 'sysinfo'";
public GroovyPad() throws IOException {
super("Groovy Pad");
JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, true, createEditor(), createOutputLog());
splitPane.setResizeWeight(0.7);
JComponent c = (JComponent) getContentPane();
c.setLayout(new BorderLayout(0, 0));
c.add(splitPane, BorderLayout.CENTER);
JToolBar tools = new JToolBar("Run", JToolBar.HORIZONTAL);
tools.setFloatable(true);
tools.add(run);
tools.add(cancel);
c.add(tools, BorderLayout.NORTH);
run.setEnabled(true);
cancel.setEnabled(false);
installAction(c, KeyStroke.getKeyStroke(KeyEvent.VK_F5, 0), run);
installAction(c, KeyStroke.getKeyStroke(KeyEvent.VK_R, KeyEvent.CTRL_DOWN_MASK), run);
addWindowListener(new WindowAdapter() {
@Override
public void windowClosed(WindowEvent evt) {
cancel.actionPerformed(null);
console.unhook();
try {
editor.save();
} catch (IOException e) {
// ignore
}
}
});
console = new MessageConsole(output);
console.hook();
shell = createScriptShell();
editor.requestFocusInWindow();
setModalExclusionType(ModalExclusionType.TOOLKIT_EXCLUDE);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setLocationByPlatform(true);
setSize(800, 600);
}
protected MessageConsole console;
protected TextEditorPane editor;
protected TextEditorPane output;
protected JComponent createEditor() throws IOException {
editor = new TextEditorPane(TextEditorPane.INSERT_MODE, false, getFileLocation("pad.groovy"), "UTF-8");
editor.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_GROOVY);
editor.setAutoscrolls(false);
editor.setAnimateBracketMatching(false);
editor.setAntiAliasingEnabled(true);
editor.setAutoIndentEnabled(true);
editor.setBracketMatchingEnabled(true);
editor.setCloseCurlyBraces(true);
editor.setClearWhitespaceLinesEnabled(true);
editor.setCodeFoldingEnabled(true);
editor.setHighlightSecondaryLanguages(false);
editor.setRoundedSelectionEdges(false);
editor.setTabsEmulated(false);
// restore on open
editor.reload();
return new RTextScrollPane(editor, true);
}
protected JComponent createOutputLog() throws IOException {
output = new TextEditorPane(TextEditorPane.INSERT_MODE, false);
output.setEditable(false);
output.setReadOnly(true);
output.setAutoscrolls(true);
output.setBackground(new Color(255, 255, 218));
output.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_NONE);
output.setAnimateBracketMatching(false);
output.setAntiAliasingEnabled(true);
output.setAutoIndentEnabled(false);
output.setBracketMatchingEnabled(false);
output.setCloseCurlyBraces(false);
output.setClearWhitespaceLinesEnabled(false);
output.setCodeFoldingEnabled(false);
output.setHighlightCurrentLine(false);
output.setHighlightSecondaryLanguages(false);
output.setRoundedSelectionEdges(false);
output.setTabsEmulated(false);
return new RTextScrollPane(output, true);
}
protected FileLocation getFileLocation(String name) throws IOException {
File pad = ApplicationFolder.AppData.resolve(name);
if (!pad.exists()) {
// use this default value so people can easily submit bug reports with fn:sysinfo logs
ScriptShellMethods.saveAs(DEFAULT_SCRIPT, pad);
}
return FileLocation.create(pad);
}
protected final ScriptShell shell;
protected ScriptShell createScriptShell() {
try {
return new ScriptShell(s -> ScriptSource.GITHUB_STABLE.getScriptProvider(s).getScript(s), new HashMap<String, Object>());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
protected final Action run = newAction("Run", ResourceManager.getIcon("script.go"), this::runScript);
protected final Action cancel = newAction("Cancel", ResourceManager.getIcon("script.cancel"), this::cancelScript);
private Runner currentRunner = null;
public void runScript(ActionEvent evt) {
// persist script file and clear output
try {
editor.save();
} catch (IOException e) {
debug.log(Level.WARNING, e, e::getMessage);
}
output.setText("");
runScript(editor.getText());
}
public void runScript(String script) {
if (currentRunner == null || currentRunner.isDone()) {
currentRunner = new Runner(script) {
@Override
protected void done() {
run.setEnabled(true);
cancel.setEnabled(false);
}
};
run.setEnabled(false);
cancel.setEnabled(true);
currentRunner.execute();
}
}
@SuppressWarnings("deprecation")
protected void cancelScript(ActionEvent evt) {
if (currentRunner != null && !currentRunner.isDone()) {
currentRunner.cancel(true);
currentRunner.getExecutionThread().stop();
try {
currentRunner.get(2, TimeUnit.SECONDS);
} catch (Exception e) {
debug.log(Level.WARNING, e, e::getMessage);
}
}
}
protected class Runner extends SwingWorker<Object, Object> {
private Thread executionThread;
private Object result;
public Runner(final String script) {
executionThread = new Thread("GroovyPadRunner") {
@Override
public void run() {
try {
Bindings bindings = new SimpleBindings();
bindings.put(ScriptShell.SHELL_ARGV_BINDING_NAME, Settings.getApplicationArguments().getArgumentArray());
bindings.put(ScriptShell.ARGV_BINDING_NAME, Settings.getApplicationArguments().getFiles(false));
result = shell.evaluate(script, bindings);
// print result and make sure to flush Groovy output
SimpleBindings resultBindings = new SimpleBindings();
resultBindings.put("result", result);
if (result != null) {
shell.evaluate("print('Result: '); println(result);", resultBindings);
} else {
shell.evaluate("println();", resultBindings);
}
} catch (ScriptException e) {
while (e.getCause() instanceof ScriptException) {
e = (ScriptException) e.getCause();
}
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
};
};
executionThread.setDaemon(false);
executionThread.setPriority(Thread.MIN_PRIORITY);
}
@Override
protected Object doInBackground() throws Exception {
executionThread.start();
executionThread.join();
return result;
}
public Thread getExecutionThread() {
return executionThread;
}
};
public static class MessageConsole {
private final PrintStream system_out = System.out;
private final PrintStream system_err = System.err;
private JTextComponent textComponent;
public MessageConsole(JTextComponent textComponent) {
this.textComponent = textComponent;
}
public void hook() {
try {
System.setOut(new TeePrintStream(new ConsoleOutputStream(), true, "UTF-8", system_out));
System.setErr(new TeePrintStream(new ConsoleOutputStream(), true, "UTF-8", system_err));
} catch (UnsupportedEncodingException e) {
debug.log(Level.WARNING, e, e::getMessage);
}
}
public void unhook() {
System.setOut(system_out);
System.setErr(system_err);
}
private class ConsoleOutputStream extends ByteArrayOutputStream {
@Override
public void flush() {
try {
String message = this.toString("UTF-8");
reset();
commit(message);
} catch (Exception e) {
// can't happen
}
}
private void commit(final String line) {
SwingUtilities.invokeLater(() -> {
try {
int offset = textComponent.getDocument().getLength();
textComponent.getDocument().insertString(offset, line, null);
textComponent.setCaretPosition(textComponent.getDocument().getLength());
} catch (Exception e) {
// ignore
}
});
}
}
}
}