added icons to some actions

Author: i-make-robots

src/main/java/com/marginallyClever/nodeGraphSwing/Donatello.java

@@ -203,8 +203,13 @@ private void setupTools() {
     private JMenu setupHelpMenu() {
         JMenu menu = new JMenu("Help");
 
-        menu.add(new BrowseURLAction("Check for updates","https://github.com/MarginallyClever/NodeGraphCore/releases"));
-        menu.add(new BrowseURLAction("I have a problem...","https://github.com/MarginallyClever/NodeGraphCore/issues"));
+        BrowseURLAction update = new BrowseURLAction("Check for updates","https://github.com/MarginallyClever/NodeGraphCore/releases");
+        BrowseURLAction problem = new BrowseURLAction("I have a problem...","https://github.com/MarginallyClever/NodeGraphCore/issues");
+        update.putValue(Action.SMALL_ICON, new UnicodeIcon("📰"));
+        problem.putValue(Action.SMALL_ICON, new UnicodeIcon("☏"));
+
+        menu.add(update);
+        menu.add(problem);
         menu.add(new BrowseURLAction("I have an idea!","https://github.com/MarginallyClever/NodeGraphCore/issues"));
         menu.add(new BrowseURLAction("Join the community","https://discord.gg/TbNHKz6rpy"));
         menu.add(new BrowseURLAction("Buy me a drink","https://www.paypal.com/donate/?hosted_button_id=Y3VZ66ZFNUWJE"));
@@ -249,6 +254,10 @@ private JMenu setupGraphMenu() {
         PrintGraphAction printGraphAction = new PrintGraphAction("Print",this);
         StraightenGraphAction straightenGraphAction = new StraightenGraphAction("Straighten",this);
 
+        newGraphAction.putValue(Action.SMALL_ICON,new UnicodeIcon("🌱"));
+        printGraphAction.putValue(Action.SMALL_ICON,new UnicodeIcon("🖨️"));
+        updateGraphAction.putValue(Action.SMALL_ICON,new UnicodeIcon("🔃"));
+
         actions.add(newGraphAction);
         actions.add(saveGraphAction);
         actions.add(loadGraphAction);
@@ -295,6 +304,10 @@ private JMenu setupNodeMenu() {
         SelectAllAction selectAllAction = new SelectAllAction("Select all",this);
         InvertSelectionAction invertSelectionAction = new InvertSelectionAction("Invert selection",this);
 
+        cutGraphAction.putValue(Action.SMALL_ICON, new UnicodeIcon("✂"));
+        addNodeAction.putValue(Action.SMALL_ICON, new UnicodeIcon("➕"));
+        deleteGraphAction.putValue(Action.SMALL_ICON, new UnicodeIcon("🚫"));
+
         actions.add(undoAction);
         actions.add(redoAction);
         actions.add(copyGraphAction);

src/main/java/com/marginallyClever/nodeGraphSwing/UnicodeIcon.java

@@ -0,0 +1,47 @@
+package com.marginallyClever.nodeGraphSwing;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.font.FontRenderContext;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+
+/**
+ * Creates an Icon based on a Unicode symbol.
+ * @author Dan Royer
+ * @since 2022-03-15
+ */
+public class UnicodeIcon implements Icon {
+    private final static int HEIGHT = 24;
+    private final static int WIDTH = 24;
+    private final String unicode;
+
+    public UnicodeIcon(String unicode) {
+        super();
+        this.unicode = unicode;
+    }
+
+    @Override
+    public void paintIcon(Component c, Graphics g, int x, int y) {
+        //g.drawImage(image,0,0,new Color(1,1,1,1),null);
+        Graphics g2 = g.create();
+        Font font = new Font("SansSerif",Font.PLAIN,(int)((double)HEIGHT/1.25));
+        g2.setFont(font);
+        FontMetrics fm = g.getFontMetrics();
+        int x2 = (WIDTH - fm.stringWidth(unicode)) / 2;
+        int y2 = (fm.getAscent() + (HEIGHT - (fm.getAscent() + fm.getDescent())) / 2);
+
+        g2.setColor(Color.GRAY);
+        g2.drawString(unicode,x2, y+y2);
+    }
+
+    @Override
+    public int getIconWidth() {
+        return WIDTH;
+    }
+
+    @Override
+    public int getIconHeight() {
+        return HEIGHT;
+    }
+}

src/main/java/com/marginallyClever/nodeGraphSwing/actions/undoable/AddNodeAction.java

@@ -24,6 +24,7 @@ public class AddNodeAction extends AbstractAction {
     /**
      * Constructor for subclasses to call.
      * @param name the name of this action visible on buttons and menu items.
+     * @param icon the small icon of this action visible on buttons and menu items.
      * @param editor the editor affected by this Action.
      */
     public AddNodeAction(String name, Donatello editor) {