release v1.3.0-stable

Author: hackware1993

CHANGELOG.md

@@ -1,3 +1,7 @@
+# v1.3.0-stable
+
+enhance base constraints.
+
 # v1.2.0-stable
 
 add arbitrary position support.

README.md

@@ -60,17 +60,27 @@ two-way constraints, such as chains(not yet supported, please use with Flex).
 # Feature
 
 1. build flexible layouts with constraints
-    1. leftToLeft
-    2. leftToRight
-    3. rightToLeft
-    4. rightToRight
-    5. topToTop
-    6. topToBottom
-    7. bottomToTop
-    8. bottomToBottom
-    9. baselineToTop
-    10. baselineToBottom
-    11. baselineToBaseline
+    1. left
+        1. toLeft
+        2. toCenter(with bias, the default value is 0.5)
+        3. toRight
+    2. right
+        1. toLeft
+        2. toCenter(with bias, the default value is 0.5)
+        3. toRight
+    3. top
+        1. toTop
+        2. toCenter(with bias, the default value is 0.5)
+        3. toBottom
+    4. bottom
+        1. toTop
+        2. toCenter(with bias, the default value is 0.5)
+        3. toBottom
+    5. baseline
+        1. toTop
+        2. toCenter(with bias, the default value is 0.5)
+        3. toBaseline
+        4. toBottom
 2. margin and goneMargin(when the visibility of the dependent element is gone or the actual size of
    one side is 0, the goneMargin will take effect, otherwise the margin will take effect, even if
    its own visibility is gone)
@@ -173,12 +183,12 @@ dependencies:
   flutter_constraintlayout:
     git:
       url: 'https://github.com/hackware1993/Flutter-ConstraintLayout.git'
-      ref: 'v1.2.0-stable'
+      ref: 'v1.3.0-stable'
 ```
 
 ```yaml
 dependencies:
-  flutter_constraintlayout: ^1.2.0-stable
+  flutter_constraintlayout: ^1.3.0-stable
 ```
 
 ```dart

README_CN.md

@@ -43,17 +43,27 @@ build 耗时有时甚至超过渲染耗时。
 # Feature
 
 1. 基本约束
-    1. leftToLeft
-    2. leftToRight
-    3. rightToLeft
-    4. rightToRight
-    5. topToTop
-    6. topToBottom
-    7. bottomToTop
-    8. bottomToBottom
-    9. baselineToTop
-    10. baselineToBottom
-    11. baselineToBaseline
+    1. left
+        1. toLeft
+        2. toCenter(with bias, the default value is 0.5)
+        3. toRight
+    2. right
+        1. toLeft
+        2. toCenter(with bias, the default value is 0.5)
+        3. toRight
+    3. top
+        1. toTop
+        2. toCenter(with bias, the default value is 0.5)
+        3. toBottom
+    4. bottom
+        1. toTop
+        2. toCenter(with bias, the default value is 0.5)
+        3. toBottom
+    5. baseline
+        1. toTop
+        2. toCenter(with bias, the default value is 0.5)
+        3. toBaseline
+        4. toBottom
 2. margin and goneMargin（当依赖的元素的可见性为 gone 或者其某一边的实际大小为 0 时，goneMargin 就会生效，否则 margin 会生效，即便其自身的可见性为
    gone）
 3. clickPadding（
@@ -147,12 +157,12 @@ dependencies:
   flutter_constraintlayout:
     git:
       url: 'https://github.com/hackware1993/Flutter-ConstraintLayout.git'
-      ref: 'v1.2.0-stable'
+      ref: 'v1.3.0-stable'
 ```
 
 ```yaml
 dependencies:
-  flutter_constraintlayout: ^1.2.0-stable
+  flutter_constraintlayout: ^1.3.0-stable
 ```
 
 ```dart

example/circle_position.dart

@@ -115,9 +115,8 @@ class CirclePositionExampleState extends State<CirclePositionExample> {
           ).applyConstraint(
             width: 5,
             height: 80,
-            centerTo: rId(0),
-            translate: const Offset(0, 0.5),
-            percentageTranslate: true,
+            top: rId(0).center,
+            centerHorizontalTo: rId(0),
           ),
           Transform.rotate(
             angle: pi + pi * (minute * 6 / 180),
@@ -128,9 +127,8 @@ class CirclePositionExampleState extends State<CirclePositionExample> {
           ).applyConstraint(
             width: 5,
             height: 120,
-            centerTo: rId(0),
-            translate: const Offset(0, 0.5),
-            percentageTranslate: true,
+            top: rId(0).center,
+            centerHorizontalTo: rId(0),
           ),
           Transform.rotate(
             angle: pi + pi * (second * 6 / 180),
@@ -141,9 +139,8 @@ class CirclePositionExampleState extends State<CirclePositionExample> {
           ).applyConstraint(
             width: 5,
             height: 180,
-            centerTo: rId(0),
-            translate: const Offset(0, 0.5),
-            percentageTranslate: true,
+            top: rId(0).center,
+            centerHorizontalTo: rId(0),
           ),
           Text(
             '${hour.toString().padLeft(2, '0')}:${minute.toString().padLeft(2, '0')}:${second.toString().padLeft(2, '0')}',

lib/src/constraint_layout.dart

@@ -4580,6 +4580,13 @@ class ConstrainedNode {
           map['pinnedConstraint'] = pinnedConstraint!.toJson();
         }
       }
+      if (anchors != null) {
+        List<Map<String, dynamic>> anchorsJson = [];
+        for (final element in anchors!) {
+          anchorsJson.add(element.toJson());
+        }
+        map['anchors'] = anchorsJson;
+      }
     }
     map['depth'] = getDepth(null, null, null);
     return map;

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_constraintlayout
 description: A super powerful Stack, build flexible layouts with constraints. Similar to ConstraintLayout for Android and AutoLayout for iOS.
-version: 1.2.0-stable
+version: 1.3.0-stable
 anthor: hackware
 homepage: https://github.com/hackware1993/Flutter-ConstraintLayout