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package ij.macro;
import ij.*;
import ij.text.*;
import ij.util.*;
import ij.gui.ImageCanvas;
import java.io.*;
import java.awt.*;
import ij.plugin.frame.Editor;
/** This class runs macros in a separate thread. */
public class MacroRunner implements Runnable {
private String macro;
private Program pgm;
private int address;
private String name;
private Thread thread;
private String argument;
private Editor editor;
/** Create a MacroRunner. */
public MacroRunner() {
}
/** Create a new object that interprets macro source in a separate thread. */
public MacroRunner(String macro) {
this.macro = macro;
thread = new Thread(this, "Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
/** Interprets macro source in a separate thread, passing a string argument. */
public MacroRunner(String macro, String argument) {
this.macro = macro;
this.argument = argument;
thread = new Thread(this, "Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
/** Interprets a macro file in a separate thread. */
public MacroRunner(File file) {
int size = (int)file.length();
if (size<=0)
return;
try {
StringBuffer sb = new StringBuffer(5000);
BufferedReader r = new BufferedReader(new FileReader(file));
while (true) {
String s=r.readLine();
if (s==null)
break;
else
sb.append(s+"\n");
}
r.close();
macro = new String(sb);
}
catch (Exception e) {
IJ.error(e.getMessage());
return;
}
thread = new Thread(this, "Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
/** Runs a tokenized macro in a separate thread. */
public MacroRunner(Program pgm, int address, String name) {
this(pgm, address, name, (String)null);
}
/** Runs a tokenized macro in a separate thread,
passing a string argument. */
public MacroRunner(Program pgm, int address, String name, String argument) {
this.pgm = pgm;
this.address = address;
this.name = name;
this.argument = argument;
thread = new Thread(this, name+"_Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
/** Runs the specified macro code. */
public void run(String macro) {
this.macro = macro;
thread = new Thread(this, "Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
/** Runs a tokenized macro in debug mode if 'editor' is not null. */
public MacroRunner(Program pgm, int address, String name, Editor editor) {
this.pgm = pgm;
this.address = address;
this.name = name;
this.editor = editor;
thread = new Thread(this, name+"_Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
/** Runs tokenized macro on current thread if pgm.queueCommands is true. */
public void runShortcut(Program pgm, int address, String name) {
this.pgm = pgm;
this.address = address;
this.name = name;
if (pgm.queueCommands)
run();
else {
thread = new Thread(this, name+"_Macro$");
thread.setPriority(Math.max(thread.getPriority()-2, Thread.MIN_PRIORITY));
thread.start();
}
}
/** Runs a tokenized macro on the current thread. */
public void run(Program pgm, int address, String name) {
this.pgm = pgm;
this.address = address;
this.name = name;
this.argument = null;
run();
}
public Thread getThread() {
return thread;
}
/** Use the specified Editor to run the macro in debug mode. */
public void setEditor(Editor editor) {
this.editor = editor;
}
/** Used to run the macro code in 'macro' on a separate thread. */
public void run() {
Interpreter interp = new Interpreter();
interp.argument = argument;
if (editor!=null)
interp.setDebugger(editor);
try {
if (pgm==null)
interp.run(macro);
else {
if ("Popup Menu".equals(name)) {
PopupMenu popup = Menus.getPopupMenu();
if (popup!=null) {
ImagePlus imp = null;
Object parent = popup.getParent();
if (parent instanceof ImageCanvas)
imp = ((ImageCanvas)parent).getImage();
if (imp!=null)
WindowManager.setTempCurrentImage(Thread.currentThread(), imp);
}
}
interp.runMacro(pgm, address, name);
}
} catch(Throwable e) {
interp.abortMacro();
IJ.showStatus("");
IJ.showProgress(1.0);
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null)
imp.unlock();
String msg = e.getMessage();
if (e instanceof RuntimeException && msg!=null && e.getMessage().equals(Macro.MACRO_CANCELED)) {
interp.error(null);
return;
}
IJ.handleException(e);
} finally {
if (thread!=null)
WindowManager.setTempCurrentImage(null);
}
}
}
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