Remove unnecessary new keyword

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## Version 1.4.3 (2019-12-10)
+
+- Remove unnecessary new keyword.
+
 ## Version 1.4.2 (2019-02-13)
 
 - Fix #30: Cannot initialize Dropzone with List<HtmlElement>.

README.md

@@ -39,10 +39,10 @@ If you also want to drop somewhere, you'll need a `Dropzone`.
 
 ```dart
 // Install draggable (no avatar).
-Draggable draggable = new Draggable(querySelectorAll('.draggable'));
+Draggable draggable = Draggable(querySelectorAll('.draggable'));
 
 // Install dropzone.
-Dropzone dropzone = new Dropzone(querySelector('.dropzone'));
+Dropzone dropzone = Dropzone(querySelector('.dropzone'));
 ```
 
 You'll most likely want some **drag avatar** to show the user that a drag is
@@ -51,13 +51,13 @@ But you could also provide your own implementation of `AvatarHandler`.
 
 ```dart
 // Draggable with clone as avatar.
-Draggable draggable = new Draggable(querySelectorAll('.draggable'),
-    avatarHandler: new AvatarHandler.clone());
+Draggable draggable = Draggable(querySelectorAll('.draggable'),
+    avatarHandler: AvatarHandler.clone());
 
 
 // Draggable with original element as avatar.
-Draggable draggable = new Draggable(querySelectorAll('.draggable'),
-    avatarHandler: new AvatarHandler.original());
+Draggable draggable = Draggable(querySelectorAll('.draggable'),
+    avatarHandler: AvatarHandler.original());
 ```
 
 ### Draggable Options
@@ -70,9 +70,9 @@ The following options can be passed as _named parameters_ to the constructor of
   are possible options (see above for an example):
 
   - `null` (the default) - will not create a drag avatar
-  - `new AvatarHandler.original()` - handler that uses the original
+  - `AvatarHandler.original()` - handler that uses the original
     draggable as avatar. See `OriginalAvatarHandler`.
-  - `new AvatarHandler.clone()` - handler that uses a clone of the draggable
+  - `AvatarHandler.clone()` - handler that uses a clone of the draggable
     element as avatar. See `CloneAvatarHandler`.
   - A custom `AvatarHandler` - you can provide your own implementation of
     `AvatarHandler`.

example/basic/example.dart

@@ -5,11 +5,11 @@ import 'package:dnd/dnd.dart';
 /// A basic example of how to use [Draggable]s and [Dropzone]s together.
 main() {
   // Install draggables (documents).
-  new Draggable(querySelectorAll('.document'),
-      avatarHandler: new AvatarHandler.clone());
+  Draggable(querySelectorAll('.document'),
+      avatarHandler: AvatarHandler.clone());
 
   // Install dropzone (trash).
-  Dropzone dropzone = new Dropzone(querySelector('.trash'));
+  Dropzone dropzone = Dropzone(querySelector('.trash'));
 
   // Remove the documents when dropped.
   dropzone.onDrop.listen((DropzoneEvent event) {

example/cancel/example.dart

@@ -4,7 +4,7 @@ import 'package:dnd/dnd.dart';
 /// Example demonstrating how dragging can be prevented on some elements.
 main() {
   // Install draggable.
-  new Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.original(),
+  Draggable(querySelector('.draggable'),
+      avatarHandler: AvatarHandler.original(),
       cancel: 'textarea, button, .no-drag');
 }

example/custom_acceptor/example.dart

@@ -4,23 +4,23 @@ import 'package:dnd/dnd.dart';
 /// Uses Acceptors to determine which Draggables are accepted by which Dropzones.
 main() {
   // Install draggables.
-  new Draggable(querySelector('#draggable-a'),
-      avatarHandler: new AvatarHandler.clone());
-  var draggableB = new Draggable(querySelector('#draggable-b'),
-      avatarHandler: new AvatarHandler.clone());
-  new Draggable(querySelector('#draggable-c'),
-      avatarHandler: new AvatarHandler.clone());
+  Draggable(querySelector('#draggable-a'),
+      avatarHandler: AvatarHandler.clone());
+  var draggableB = Draggable(querySelector('#draggable-b'),
+      avatarHandler: AvatarHandler.clone());
+  Draggable(querySelector('#draggable-c'),
+      avatarHandler: AvatarHandler.clone());
 
   // No acceptor means everything is accepted.
-  new Dropzone(querySelector('#dropzone-1'));
+  Dropzone(querySelector('#dropzone-1'));
 
   // Use provided DraggablesAcceptor to accept Draggable B only.
-  new Dropzone(querySelector('#dropzone-2'),
-      acceptor: new Acceptor.draggables([draggableB]));
+  Dropzone(querySelector('#dropzone-2'),
+      acceptor: Acceptor.draggables([draggableB]));
 
   // Use a custom Acceptor that accepts Draggables with a input containing
   // the text 'acceptme'.
-  new Dropzone(querySelector('#dropzone-3'), acceptor: new MyAcceptor());
+  Dropzone(querySelector('#dropzone-3'), acceptor: MyAcceptor());
 }
 
 /**

example/custom_avatar/example.dart

@@ -9,12 +9,12 @@ import 'package:dnd/dnd.dart';
 /// See [MyAvatarHandler].
 main() {
   // Install draggables.
-  Draggable draggable = new Draggable(querySelectorAll('.document'),
-      avatarHandler: new MyAvatarHandler());
+  Draggable draggable = Draggable(querySelectorAll('.document'),
+      avatarHandler: MyAvatarHandler());
 
   // Install dropzone (trash).
   Element trash = querySelector('.trash');
-  Dropzone dropzone = new Dropzone(trash);
+  Dropzone dropzone = Dropzone(trash);
 
   // Keep track if we're over the trash.
   bool overTrash = false;
@@ -34,7 +34,8 @@ main() {
       handler.updateImage(4);
     } else {
       // Set image depending on distance to trash.
-      int imageNumber = calcImageNumber(trash, event.startPosition, event.position);
+      int imageNumber =
+          calcImageNumber(trash, event.startPosition, event.position);
       handler.updateImage(imageNumber);
     }
   });
@@ -50,29 +51,29 @@ main() {
 ///
 /// The [MyAvatarHandler] creates changing smiley images as drag avatar.
 class MyAvatarHandler extends AvatarHandler {
-
   /// List of smiley src urls.
   static final List<String> SMILEYS = [
     'images/smiley02.png',
     'images/smiley03.png',
     'images/smiley04.png',
     'images/smiley05.png',
-    'images/smiley06.png'];
+    'images/smiley06.png'
+  ];
 
   /// Define an offset for the avatar relative to the mouse cursor.
   static const Point OFFSET = const Point(-64, -130);
 
   MyAvatarHandler() {
     // Preload avatar images.
     SMILEYS.forEach((s) {
-      new ImageElement(src: s);
+      ImageElement(src: s);
     });
   }
 
   @override
   void dragStart(Element draggable, Point startPosition) {
     // Use first image as avatar.
-    avatar = new ImageElement(src: SMILEYS[0]);
+    avatar = ImageElement(src: SMILEYS[0]);
 
     // Set the initial position of avatar.
     setLeftTop(startPosition + OFFSET);
@@ -103,8 +104,8 @@ class MyAvatarHandler extends AvatarHandler {
 /// Calculates the image number depending on the distance to [trash].
 int calcImageNumber(Element trash, Point startPosition, Point position) {
   var trashDim = trash.borderEdge;
-  Point trashCenter = new Point(trashDim.left + trashDim.width / 2,
-      trashDim.top + trashDim.height / 2);
+  Point trashCenter = Point(
+      trashDim.left + trashDim.width / 2, trashDim.top + trashDim.height / 2);
 
   // Set image depending on distance to trash.
   double remainingDistance = position.distanceTo(trashCenter) - 64;
@@ -114,4 +115,4 @@ int calcImageNumber(Element trash, Point startPosition, Point position) {
   distancePercent = math.min(1, distancePercent);
 
   return 3 - (3 * distancePercent).round();
-}
+}

example/detection_only/example.dart

@@ -7,7 +7,7 @@ import 'package:dnd/dnd.dart';
 /// Use this if you want to implement your own custom dragging behavior.
 main() {
   // Install draggable.
-  Draggable draggable = new Draggable(querySelector('.draggable'));
+  Draggable draggable = Draggable(querySelector('.draggable'));
 
   // Paragraph.
   Element p = querySelector('.draggable p');
@@ -29,5 +29,5 @@ main() {
 }
 
 Point round(Point point) {
-  return new Point(point.x.round(), point.y.round());
-}
+  return Point(point.x.round(), point.y.round());
+}

example/free_dragging/example.dart

@@ -6,5 +6,5 @@ import 'package:dnd/dnd.dart';
 main() {
   // Install draggable.
   Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.original());
+      avatarHandler: AvatarHandler.original());
 }

example/handle/example.dart

@@ -5,5 +5,5 @@ import 'package:dnd/dnd.dart';
 main() {
   // Install draggable.
   Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.original(), handle: '.handle');
+      avatarHandler: AvatarHandler.original(), handle: '.handle');
 }

example/horizontal_only/example.dart

@@ -6,6 +6,6 @@ import 'package:dnd/dnd.dart';
 /// it is ignored and thus can be used for scrolling on touch devices.
 main() {
   // Install draggable.
-  new Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.original(), horizontalOnly: true);
+  Draggable(querySelector('.draggable'),
+      avatarHandler: AvatarHandler.original(), horizontalOnly: true);
 }

example/nested_dropzones/example.dart

@@ -7,12 +7,12 @@ import 'package:dnd/dnd.dart';
 ///  receive the drop event.
 main() {
   // Install draggable.
-  Draggable draggable = new Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.original());
+  Draggable draggable = Draggable(querySelector('.draggable'),
+      avatarHandler: AvatarHandler.original());
 
   // Install dropzones.
-  Dropzone outerDropzone = new Dropzone(querySelector('.dropzone-outer'));
-  Dropzone innerDropzone = new Dropzone(querySelector('.dropzone-inner'));
+  Dropzone outerDropzone = Dropzone(querySelector('.dropzone-outer'));
+  Dropzone innerDropzone = Dropzone(querySelector('.dropzone-inner'));
 
   // The text elements.
   Element draggableText = querySelector('.draggable > p');
@@ -48,7 +48,6 @@ main() {
     }
   });
 
-
   // Listen to drop.
   outerDropzone.onDrop.listen((DropzoneEvent event) {
     outerDropped = true;
@@ -65,4 +64,4 @@ main() {
     outerText.text = 'Outer Dropzone';
     innerText.text = 'Inner Dropzone';
   });
-}
+}

example/nested_elements/example.dart

@@ -5,11 +5,11 @@ import 'package:dnd/dnd.dart';
 /// dragEnter and dragLeave events.
 main() {
   // Install draggable.
-  new Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.original());
+  Draggable(querySelector('.draggable'),
+      avatarHandler: AvatarHandler.original());
 
   // Install dropzone.
-  Dropzone dropzone = new Dropzone(querySelector('.dropzone'));
+  Dropzone dropzone = Dropzone(querySelector('.dropzone'));
 
   // Text element
   Element text = querySelector('.dropzone > span');

example/parent_offset/example.dart

@@ -4,6 +4,5 @@ import 'package:dnd/dnd.dart';
 /// A test with a draggable that has a parent with offset > 0.
 main() {
   // Install draggable.
-  new Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.clone());
+  Draggable(querySelector('.draggable'), avatarHandler: AvatarHandler.clone());
 }

example/scroll_offset/example.dart

@@ -4,9 +4,8 @@ import 'package:dnd/dnd.dart';
 /// A test with a draggable that has a scrollable parent.
 main() {
   // Install draggable.
-  new Draggable(querySelector('.draggable'),
-      avatarHandler: new AvatarHandler.clone());
+  Draggable(querySelector('.draggable'), avatarHandler: AvatarHandler.clone());
 
   // Install dropzone.
-  new Dropzone(querySelector('.dropzone'));
+  Dropzone(querySelector('.dropzone'));
 }

example/simple_sortable/example.dart

@@ -5,10 +5,10 @@ import 'package:dnd/dnd.dart';
 /// and implement some basic sortable/rearranging behavior.
 main() {
   // Install same elements as draggable and dropzone.
-  new Draggable(querySelectorAll('.sortable'),
-      avatarHandler: new AvatarHandler.clone());
+  Draggable(querySelectorAll('.sortable'),
+      avatarHandler: AvatarHandler.clone());
 
-  Dropzone dropzone = new Dropzone(querySelectorAll('.sortable'));
+  Dropzone dropzone = Dropzone(querySelectorAll('.sortable'));
 
   // Swap elements when dropped.
   dropzone.onDrop.listen((DropzoneEvent event) {