From ba02c799f4e9ee0e063607af7c8b233cb4967363 Mon Sep 17 00:00:00 2001
From: Preston Seay <preston.seay@outlook.com>
Date: Thu, 11 Feb 2021 11:25:58 -0800
Subject: [PATCH] updated navigator example

---
 .../HierarchyComponents/hswing/HFrame.class   | Bin 1298 -> 1649 bytes
 .../hswing/Navigator.class                    | Bin 6292 -> 6312 bytes
 src/demo/NavigatorExample.java                |  15 +++++++++++----
 src/hswing/Navigator.java                     |  11 +++++++----
 4 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/out/production/HierarchyComponents/hswing/HFrame.class b/out/production/HierarchyComponents/hswing/HFrame.class
index df58c3389289d7354d9f9ae37d49d47c58cc7d58..6becf760710f3065dc135a8fd563d473464df682 100644
GIT binary patch
delta 661
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n!}Bed`VJS+MuuxMOS%;EdoJ0;g_>-2D_M<#WN7(}1PkRqQj=Tf

delta 294
zcmX|*yGnyW6okLM<lnHQ5HC?;sS=5j5R+)UM{UztrLg#`pvW(X+WQE)Pm)To$OHH?
zVrQkET}4=SXU@*dnUBh|_itaXQ(%v?iNDuYvAiA%vlJH0bn#d*bCo~jt?RrPx6bcw
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dDr;%SO{rRs?Xu)=re>9dOMm%_6ZzMi{s7qEB&GlW

diff --git a/out/production/HierarchyComponents/hswing/Navigator.class b/out/production/HierarchyComponents/hswing/Navigator.class
index 0e4523067dbbe598d7cf5b7bc9d8117e87fa9e2e..2586ad6bd47979657f97f9db8a25c18203cb9637 100644
GIT binary patch
delta 360
zcmX|*$xFg<6vRKjtW0fjDb0hlK!*|o@z5!P1c{){2-@gS2)3YfZ>0_$tV3U;Y&Rk8
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Ai2wiq

delta 340
zcmX|*J4-@w7{-6cBs+95kLgiDBB-FmK^&T*L2wA7aEQvLz%CTl+D(d<8fx$_(!Em-
z8Wsr-K@tr?&}Hlsw6-@j^j6UF^1RQDrx?zL%So61P7QWoNTpmcPnF<U@P^R6Fm^I>
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kE2`Bz)o-b#N;7xr!R&8*!of53yx`<jIejrLr$&77Z@IxrssI20

diff --git a/src/demo/NavigatorExample.java b/src/demo/NavigatorExample.java
index aff7c31..47f69dd 100644
--- a/src/demo/NavigatorExample.java
+++ b/src/demo/NavigatorExample.java
@@ -22,17 +22,24 @@ public static void main(String[] args) {
             ))
         ).getNavigator();
 
+        //this would throw a MoreThanOneComponentException
+        //navigator.getSingle("label");
+
+        //returns null because no components have the name 'label' and the class of a JButton
+        navigator.getSingleByClass("label", JButton.class);
+
         //gets the one 'button1' with the class 'JButton' (automatically casts it from HButton -> JButton)
         navigator.getSingleByClass("button1", JButton.class).addActionListener(e -> {
-            //gets all the JLabels
-            navigator.getListByClass(JLabel.class).forEach(jLabel -> {
+            //gets all the JLabels with name 'label'
+            navigator.getListByClass("label", JLabel.class).forEach(jLabel -> {
                 jLabel.setText(jLabel.getText().repeat(2));
             });
+            navigator.getFrame().pack();
         });
 
-        //getting a list based on just the class
+        //getting a list of JComponents based on just the class
         navigator.getListByClass(JLabel.class).forEach(label -> {
-            label.setBackground(Color.blue);
+            label.setBorder(BorderFactory.createLineBorder(Color.blue, 5, true));
         });
 
         AtomicInteger aint = new AtomicInteger(10);
diff --git a/src/hswing/Navigator.java b/src/hswing/Navigator.java
index 7c4a900..c419329 100644
--- a/src/hswing/Navigator.java
+++ b/src/hswing/Navigator.java
@@ -62,11 +62,11 @@ public JComponent getSingle(String name) throws MoreThanOneComponentException {
 
     /**
      * Gets a single T according to the name
-     * @param name  the name of the {@link JComponent} to get
-     * @param t  the class to automatically cast it to
+     * @param name  the name of the T to get
+     * @param t  the class to find and return
      * @param <T> the class type to be returned
-     * @return  the {@link JComponent} with the name. If the {@link JComponent} does not exist, it will return null
-     * @throws MoreThanOneComponentException if there are multiple {@link JComponent}s with the same name
+     * @return  the T with the name. If the T does not exist, it will return null
+     * @throws MoreThanOneComponentException if there are multiple Ts with the same name
      */
     public <T> T getSingleByClass(String name, Class<T> t) throws MoreThanOneComponentException {
         List<JComponent> componentsWithName = components.get(name);
@@ -79,6 +79,9 @@ public <T> T getSingleByClass(String name, Class<T> t) throws MoreThanOneCompone
         if (componentsWithName.size() == 1) {
             return (T)componentsWithName.get(0);
         }
+        if (componentsWithName.size() == 0) {
+            return null;
+        }
         throw new MoreThanOneComponentException(name);
     }