VisClient/org/hfbk/util/ScriptShell.java

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package org.hfbk.util;

import java.awt.Container;
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import org.hfbk.vis.ImageLoader;
import org.hfbk.vis.VisClient;
import org.hfbk.vis.VisClientScripter;
import org.mozilla.javascript.EcmaError;
import org.mozilla.javascript.EvaluatorException;

public class ScriptShell extends VisClientScripter {

        String convenience=
                "function list(object){" +
                "       var methods=''; " +
                "       for(name in object){" +
                "               var e=object[name];" +
                "               var t=typeof e;" +
                "               if (t!='function')" +
                "                       print (name+': '+e); " +
                "       }" +
                "}"+
                "function fields(object){" +
                "       cl=object.getClass();" +
                "       print(cl.getFields());" +
                "}"+
                "function methods(object){" +
                "       cl=object.getClass(); " +
                "       print(cl.getMethods()); " +
                "} " +
                "function print(object){" +
                "       shell.println(object);" +
                "} " +
                "function kill(visnode){" +
                "       visnode.parent.remove(visnode);" +
                "} " +
                "function exit(){" +
                "       shell.getParent().dispose();" +
                "}" +
                "";

        
        Frame frame=new Frame("Vis/Shell");
        ShellPanel panel;
        
        public ScriptShell(VisClient client){
                super(client);
                
                frame.setIconImage(ImageLoader.getRessourceImage("icons/vis.png"));                     
                frame.addWindowListener(new WindowAdapter(){
                        public void windowClosing(WindowEvent e) {
                                frame.dispose();
                        }
                });
                frame.add(panel=new ShellPanel(){
                        public String action(String command) {
                                try{
                                        return evaluate(command).toString();
                                }catch(EvaluatorException e){
                                        return e.details();
                                }catch (EcmaError e){
                                        return e.getErrorMessage();
                                }                                       
                        }
                });
                put("shell",panel);
                evaluate(convenience);
                
                frame.pack();
                UIUtils.blackify(frame); //the finest vis look..                
                frame.setVisible(true);
                ((Container)frame.getComponent(0)).getComponent(1).requestFocus();              
        }
        
        public static void main(String[] args) {
                new ScriptShell(null);
        }
}

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