From d4b5f127f5630fccaf4667344d31ae25e83c7302 Mon Sep 17 00:00:00 2001
From: Jonathan Ellis <jon@than.biz>
Date: Sun, 19 Feb 2012 19:23:34 +0000
Subject: [PATCH] Updated sample code.

---
 Sample/PegasusSample/PGViewController.m | 21 ++++++++++++++++++++-
 Sample/PegasusSample/UI/sample1.xml     |  4 ++--
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/Sample/PegasusSample/PGViewController.m b/Sample/PegasusSample/PGViewController.m
index abe8daa..e2c8e3a 100644
--- a/Sample/PegasusSample/PGViewController.m
+++ b/Sample/PegasusSample/PGViewController.m
@@ -32,10 +32,29 @@ - (void)didReceiveMemoryWarning
 - (void)viewDidLoad
 {
     [super viewDidLoad];
+    
+    // Here, we load sample1.xml (from the UI group):
     NSString *filePath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"sample1.xml"];
     PGView *pegasusView = [PGView viewWithContentsOfFile:filePath];
+
+    [self.view addSubview:pegasusView.view]; // pegasusView.view is the actual underlying UIView view
+
+    // We will now show how you can dynamically alter the view at runtime. We will change the image and then
+    // change the text "dinosaur" to "soldier" in the prompt (comment this out to see the original view).
+    
+    // Start by changing the picture
+    UIImageView *pictureView = (UIImageView *)[pegasusView findViewWithID:@"picture"]; // Find the view tagged with "picture". (Notice how a normal UIImageView is returned.)
+    UIImage *newImage = [UIImage imageNamed:@"soldier.png"];
+    pictureView.image = newImage;
+    // We also need to resize the image view for the new image:
+    CGRect frame = pictureView.frame;
+    frame.size = newImage.size;
+    pictureView.frame = frame;
+
+    // And now we change the label text:
+    UILabel *promptLabel = (UILabel *)[pegasusView findViewWithID:@"prompt"];
+    promptLabel.text = [promptLabel.text stringByReplacingOccurrencesOfString:@"dinosaur" withString:@"soldier"];
     
-    [self.view addSubview:pegasusView.view];
 }
 
 - (void)viewDidUnload
diff --git a/Sample/PegasusSample/UI/sample1.xml b/Sample/PegasusSample/UI/sample1.xml
index 153db4e..849f63b 100644
--- a/Sample/PegasusSample/UI/sample1.xml
+++ b/Sample/PegasusSample/UI/sample1.xml
@@ -26,11 +26,11 @@
 	
     <scrollview frame="{{100,40}, {100,100}}" contentSize="{278,173}">
         
-        <imageview frame="{{0,0}, {278,173}}" image="dinosaur.png" />
+        <imageview id="picture" frame="{{0,0}, {278,173}}" image="dinosaur.png" />
     
     </scrollview>
     
-    <label frame="{{40,160}, {240, 27}}" text="Which part of the dinosaur do you see?" adjustsFontSizeToFitWidth="yes" backgroundColor="clear" textColor="white" />
+    <label id="prompt" frame="{{40,160}, {240, 27}}" text="Which part of the dinosaur do you see?" adjustsFontSizeToFitWidth="yes" backgroundColor="clear" textColor="white" />
     
 	<textfield frame="{{40,200}, {240,27}}" placeholder="Enter text" borderStyle="rounded-rect" />