Single attribute is from root in assignments

New icons.
"os" object.
DateTime objects.

src/core/AppInfo.java

@@ -13,7 +13,7 @@ public class AppInfo {
     public static final String Name = "Pooi";
     public static final String Email = "jbgarcia@uvigo.es";
     public static final String Author = "Baltasar García Perez-Schofield";
-    public static final String Version = "0.8.1 20140707";
+    public static final String Version = "0.9 20160213";
 
     public static String getMsgVersion()
     {

src/core/Interpreter.java

@@ -111,7 +111,6 @@ protected ObjectBag execute(InterpretedMethod method, ObjectBag self, Evaluable[
         ObjectBag toret = null;
         error = false;
         final Runtime rt = this.getRuntime();
-        final ObjectRoot root = rt.getRoot();
         ExecutionStack stack = new ExecutionStack();
 
         try {

src/core/Parser.java

@@ -171,7 +171,7 @@ private static String getMessageId(Lexer lex)
 
     /**
      * This method is needed in order to deal with the case in which
-     * you have x,a = y, meaning x set "a" y
+     * you have x.a = y, meaning x set "a" y
      * @param toret the resulting command, as a Command object.
      * @param lex the lexer being used to interpret the command, as a Lexer object.
      */
@@ -188,14 +188,15 @@ public static void extractMethod(Command toret, Lexer lex) throws InterpretError
             if ( evl instanceof Reference ) {
                 final Reference ref = (Reference) evl;
 
-                if ( ref.getAttrs().length > 1 ) {
-                    String atr = ref.top();
-
-                    ref.pop();
-                    lex.insertAtCurrentPos( '"' + atr + '"' );
-                } else {
-                    throw new InterpretError( "missing attribute at the end of the reference, left of: " + Reserved.AssignmentOperator );
+                // If no context provided, assume it is in root
+                if ( ref.getAttrs().length == 1 ) {
+                    ref.setAttrs( new String[]{ "Root", ref.getAttrs()[ 0 ] } );
                 }
+
+                String atr = ref.top();
+
+                ref.pop();
+                lex.insertAtCurrentPos( '"' + atr + '"' );
             } else {
                 throw new InterpretError( "reference expected at left of: "  + Reserved.AssignmentOperator );
             }

src/core/Runtime.java

@@ -115,6 +115,20 @@ public void addMethodsToRuntimeObjects() throws InterpretError
         this.str.set( NativeMethodStrSub.EtqMthStrSub, new NativeMethodStrSub() );
         this.str.set( NativeMethodStrLeft.EtqMthStrLeft, new NativeMethodStrLeft() );
         this.str.set( NativeMethodStrRight.EtqMthStrRight, new NativeMethodStrRight() );
+
+        // DateTime
+        this.dateTime.set( ObjectDateTime.EtqDateAsStr, new InterpretedMethod( ObjectDateTime.EtqDateAsStr,
+                "( ( ( ( self." + ObjectDateTime.EtqDay + " str ) + \"-\" ) + ( self."
+                        + ObjectDateTime.EtqMonth + " str ) ) + \"-\" ) + ( self."
+                        + ObjectDateTime.EtqYear + " str )" ) );
+
+        this.dateTime.set( ObjectDateTime.EtqTimeAsStr, new InterpretedMethod( ObjectDateTime.EtqTimeAsStr,
+                "( ( ( ( self." + ObjectDateTime.EtqHour + " str ) + \":\" ) + ( self."
+                        + ObjectDateTime.EtqMinute + " str ) ) + \":\" ) + ( self."
+                        + ObjectDateTime.EtqSecond + " str )" ) );
+
+        this.dateTime.set( ObjectDateTime.EtqStr, new InterpretedMethod( ObjectDateTime.EtqStr,
+                "( ( self dateAsStr ) + \" \" ) + ( self timeAsStr )" ) );
     }
 
 

src/core/objs/ObjectDateTime.java

@@ -21,19 +21,6 @@ public class ObjectDateTime extends ValueObject {
 
     public ObjectDateTime(String n, ObjectBag parent, ObjectBag container) throws InterpretError {
         super( n, parent, container );
-
-        this.set( EtqDateAsStr, new InterpretedMethod( EtqDateAsStr,
-                "( ( ( ( self." + EtqDay + " str ) + \"-\" ) + ( self."
-                + EtqMonth + " str ) ) + \"-\" ) + ( self."
-                + EtqYear + " str )" ) );
-
-        this.set( EtqTimeAsStr, new InterpretedMethod( EtqTimeAsStr,
-                "( ( ( ( self." + EtqHour + " str ) + \":\" ) + ( self."
-                        + EtqMinute + " str ) ) + \":\" ) + ( self."
-                        + EtqSecond + " str )" ) );
-
-        this.set( EtqStr, new InterpretedMethod( EtqStr,
-                "( ( self dateAsStr ) + \" \" ) + ( self timeAsStr )" ) );
     }
 
     @Override

src/ui/Gui.java

@@ -32,36 +32,15 @@
  * @author  baltasarq
  */
 public class Gui extends JFrame {
-    public static final String EtqIconName = "res/pooiIcon.png";
+    public static final String EtqIconApp = "res/pooiIcon.png";
+    public static final String EtqIconReset = "res/reset.png";
+    public static final String EtqIconNew = "res/new.png";
 
     /** Creates new form Gui */
     public Gui()
     {
         this.build();
-
-        // Prepare ui dimensions
-        Dimension scrDim = Toolkit.getDefaultToolkit().getScreenSize();
-        this.setTitle( AppInfo.Name + " " + AppInfo.Version );
-        this.setMinimumSize( new Dimension( 620, 460 ) );
-        this.setPreferredSize( new Dimension( 790, 590 ) );
-
-        // Center in screen
-        this.setLocation(
-            ( scrDim.width  - this.getWidth() ) / 2,
-            ( scrDim.height - this.getHeight() ) / 2
-        );
-
-        try {
-            URL url = this.getClass().getClassLoader().getResource( EtqIconName );
-            ImageIcon iconImg = new ImageIcon( url );
-
-            setIconImage( iconImg.getImage() );
-        } catch(Exception exc)
-        {
-            output.append( "[failed to retrieve icon from jar]\n\n" );
-        }
-
-        input.requestFocusInWindow();
+        this.input.requestFocusInWindow();
     }
 
     private void buildFontDialog(int fontSize)
@@ -363,8 +342,11 @@ private void buildCanvas()
 
     private void buildToolbar()
     {
-        JButton btReset = new JButton( "Reset" );
-        JButton btNewObject = new JButton( "New object" );
+        JButton btReset = new JButton( this.iconReset );
+        JButton btNewObject = new JButton( this.iconNew);
+
+        btReset.setToolTipText( "reset" );
+        btNewObject.setToolTipText( "new object" );
 
         this.tbIconBar = new JToolBar();
         this.tbIconBar.setFloatable( false );
@@ -378,11 +360,30 @@ private void buildToolbar()
         // Events
         btReset.addActionListener( e -> Gui.this.onReset() );
 
-        btNewObject.addActionListener( e -> {
-            Gui.this.simulate( "(anObject copy)" );
-        });
+        btNewObject.addActionListener( e -> Gui.this.onNewObject() );
     }
-
+
+    /** Retries icons from jar for future use */
+    private void buildIcons()
+    {
+        URL url;
+
+        try {
+            url = this.getClass().getClassLoader().getResource(EtqIconApp);
+            this.iconApp = new ImageIcon( url );
+
+            url = this.getClass().getClassLoader().getResource( EtqIconReset );
+            this.iconReset = new ImageIcon( url );
+
+            url = this.getClass().getClassLoader().getResource(EtqIconNew);
+            this.iconNew = new ImageIcon( url );
+
+        } catch(Exception exc)
+        {
+            output.append( "[failed to retrieve icons from jar]\n\n" );
+        }
+    }
+
     /**
      * This method is called from within the constructor to initialize the form.
      */
@@ -393,6 +394,7 @@ private void build()
         this.spPanel.setDividerLocation( 150 );
 
         // Build components
+        this.buildIcons();
         this.buildMenuBar();
         this.buildToolbar();
         this.buildInput();
@@ -406,14 +408,28 @@ private void build()
         this.getContentPane().add( this.tpMain, java.awt.BorderLayout.CENTER );
 
         // Polish the window
-        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
-        this.setMinimumSize(new java.awt.Dimension(500, 400));
-        this.addWindowListener(new java.awt.event.WindowAdapter() {
+        this.setDefaultCloseOperation( WindowConstants.EXIT_ON_CLOSE );
+        this.setMinimumSize( new java.awt.Dimension( 600, 400 ) );
+        this.addWindowListener( new java.awt.event.WindowAdapter() {
             public void windowClosed(java.awt.event.WindowEvent evt) {
                 Gui.this.close();
             }
         });
+
         this.pack();
+        this.setIconImage( this.iconApp.getImage() );
+
+        // Prepare ui dimensions
+        Dimension scrDim = Toolkit.getDefaultToolkit().getScreenSize();
+        this.setTitle( AppInfo.Name + " " + AppInfo.Version );
+        this.setMinimumSize( new Dimension( 620, 460 ) );
+        this.setPreferredSize( new Dimension( 790, 590 ) );
+
+        // Center in screen
+        this.setLocation(
+                ( scrDim.width  - this.getWidth() ) / 2,
+                ( scrDim.height - this.getHeight() ) / 2
+        );
     }
 
     private void onLoadSession()
@@ -580,6 +596,29 @@ private void onReset()
         this.reset();
     }
 
+    private void onNewObject() {
+        String order = "(anObject copy) rename \"";
+
+        String s = (String) JOptionPane.showInputDialog(
+                this,
+                "New object's name:",
+                AppInfo.Name,
+                JOptionPane.PLAIN_MESSAGE,
+                this.iconNew,
+                null,
+                "obj" );
+
+        if ( s != null ) {
+            s = s.trim();
+
+            if ( s.length() > 0 ) {
+                this.simulate( order + s + '"' );
+            }
+        }
+
+        return;
+    }
+
     private void reset()
     {
         try {
@@ -709,6 +748,10 @@ private void addNodes(DefaultMutableTreeNode node, ObjectBag obj, HashSet<Object
     private JLabel lblCanvasFrame;
     private JToolBar tbIconBar;
 
+    private ImageIcon iconReset;
+    private ImageIcon iconNew;
+    private ImageIcon iconApp;
+
     private Interpreter interpreter = null;
 
     private static boolean rebuildingTree = false;