- Format JSON string on paste detected.

JSONModeler/ViewControllers/MainWindowController.h

@@ -8,12 +8,12 @@
 
 #import <Cocoa/Cocoa.h>
 
-@class GenerateFilesButton, InvalidDataButton;
+@class GenerateFilesButton, InvalidDataButton, JSONTextView;
 
 @interface MainWindowController : NSWindowController
 
 @property (weak) IBOutlet NSButton *getDataButton;
-@property (unsafe_unretained) IBOutlet NSTextView *JSONTextView;
+@property (unsafe_unretained) IBOutlet JSONTextView *JSONTextView;
 @property (weak) IBOutlet NSProgressIndicator *progressView;
 @property (weak) IBOutlet NSButton *optionsButton;
 @property (weak) IBOutlet NSScrollView *scrollView;

JSONModeler/ViewControllers/MainWindowController.m

@@ -18,6 +18,7 @@
 #import "GenerateFilesButton.h"
 #import "InvalidDataButton.h"
 #import "MAAttachedWindow.h"
+#import "JSONTextView.h"
 
 #import "OutputLanguageWriterObjectiveC.h"
 #import "OutputLanguageWriterJava.h"

JSONModeler/ViewControllers/MainWindowController.xib

@@ -25,7 +25,7 @@
             </connections>
         </customObject>
         <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
-        <customObject id="-3" userLabel="Application"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
         <window title="JSON Modeler" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" oneShot="NO" releasedWhenClosed="NO" visibleAtLaunch="NO" animationBehavior="default" id="1">
             <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES" texturedBackground="YES"/>
             <windowCollectionBehavior key="collectionBehavior" fullScreenPrimary="YES"/>
@@ -41,7 +41,7 @@
                             <rect key="frame" x="0.0" y="0.0" width="761" height="485"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                             <subviews>
-                                <textView importsGraphics="NO" richText="NO" findStyle="panel" allowsUndo="YES" usesRuler="YES" verticallyResizable="YES" allowsNonContiguousLayout="YES" smartInsertDelete="YES" id="440">
+                                <textView importsGraphics="NO" richText="NO" findStyle="panel" allowsUndo="YES" usesRuler="YES" verticallyResizable="YES" allowsNonContiguousLayout="YES" smartInsertDelete="YES" id="440" customClass="JSONTextView">
                                     <rect key="frame" x="0.0" y="0.0" width="754" height="485"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <color key="backgroundColor" red="0.20000000000000001" green="0.20000000000000001" blue="0.20000000000000001" alpha="1" colorSpace="calibratedRGB"/>

JSONModeler/Views/JSONTextView.h

@@ -10,4 +10,16 @@
 
 @interface JSONTextView : NSTextView
 
+/**
+ *  @author Toshiro Sugii, 16-03-10 17:03:03
+ *
+ *  Parses the current self.string text and Returns a 
+ *  NSJSONWritingPrettyPrinted JSON String.
+ *
+ *  @return A pretty printed version of the current string
+ *
+ *  @since 1.0.10
+ */
+- (NSString *)prettyPrintedString;
+
 @end

JSONModeler/Views/JSONTextView.m

@@ -79,5 +79,31 @@ -(BOOL)performDragOperation:(id<NSDraggingInfo>)sender {
 
 }
 
+#pragma mark Override Methods
+
+- (void)paste:(id)sender
+{
+    [super paste:sender];
+    self.string = [self prettyPrintedString] ?: self.string;
+}
+
+#pragma mark Public Methods
+
+- (NSString *)prettyPrintedString
+{
+    NSError *error = nil;
+    NSData *data = [self.string dataUsingEncoding:NSUTF8StringEncoding];
+    id object = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&error];
+    if (!error && object)
+    {
+        id output = [NSJSONSerialization dataWithJSONObject:object options:NSJSONWritingPrettyPrinted error:&error];
+        if (!error)
+        {
+            NSString *outputString = [[NSString alloc] initWithData:output encoding:NSUTF8StringEncoding];
+            return outputString;
+        }
+    }
+    return nil;
+}
 
 @end