more docs; move custom comp widgets from canvas to Component

CHANGELOG.md

@@ -1,4 +1,9 @@
 
+# 0.0.9
+
+* Add documentation comments to reader/writer
+* Move custom components widgets from Canvas to Component
+
 # 0.0.8
 
 * Add some more documentation comments.

lib/src/abstraction_layer/rw/model_reader.dart

@@ -10,6 +10,7 @@ class CanvasModelReader {
   final CanvasModel canvasModel;
   final CanvasState canvasState;
 
+  /// Allows you to read data from the model (component and link data).
   CanvasModelReader(this.canvasModel, this.canvasState);
 
   /// Returns a component with [id].

lib/src/abstraction_layer/rw/model_writer.dart

@@ -13,6 +13,7 @@ class ModelWriter {
 
 class CanvasModelWriter extends ModelWriter
     with ComponentWriter, LinkWriter, ConnectionWriter {
+  /// Allows you to change the model.
   CanvasModelWriter(CanvasModel canvasModel, CanvasState canvasState)
       : super(canvasModel, canvasState);
 

lib/src/abstraction_layer/rw/state_reader.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 class CanvasStateReader {
   final CanvasState canvasState;
 
+  /// Allows you to read state (position and scale) of the canvas.
   CanvasStateReader(this.canvasState);
 
   /// Position of the canvas. Coordinates where the (0, 0) of the canvas is currently located.

lib/src/abstraction_layer/rw/state_writer.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 class CanvasStateWriter {
   final CanvasState _canvasState;
 
+  /// Allows you to change the state of the canvas.
   CanvasStateWriter(this._canvasState);
 
   /// Updates everything on canvas.

lib/src/widget/canvas.dart

@@ -53,31 +53,16 @@ class _DiagramEditorCanvasState extends State<DiagramEditorCanvas>
     var zOrderedComponents = canvasModel.components.values.toList();
     zOrderedComponents.sort((a, b) => a.zOrder.compareTo(b.zOrder));
 
-    List<Widget> componentWidgetList = [];
-    zOrderedComponents.forEach((componentData) {
-      componentWidgetList.add(
-        ChangeNotifierProvider<ComponentData>.value(
-          value: componentData,
-          child: Component(
-            policy: widget.policy,
+    return zOrderedComponents
+        .map(
+          (componentData) => ChangeNotifierProvider<ComponentData>.value(
+            value: componentData,
+            child: Component(
+              policy: widget.policy,
+            ),
           ),
-        ),
-      );
-      componentWidgetList.add(
-        ChangeNotifierProvider<ComponentData>.value(
-          value: componentData,
-          builder: (context, child) {
-            return Consumer<ComponentData>(
-              builder: (context, data, child) {
-                return widget.policy
-                    .showCustomWidgetWithComponentData(context, data);
-              },
-            );
-          },
-        ),
-      );
-    });
-    return componentWidgetList;
+        )
+        .toList();
   }
 
   List<Widget> showLinks(CanvasModel canvasModel) {

lib/src/widget/component.dart

@@ -44,6 +44,7 @@ class Component extends StatelessWidget {
                   child: policy.showComponentBody(componentData),
                 ),
               ),
+              policy.showCustomWidgetWithComponentData(context, componentData),
             ],
           ),
           onTap: () => policy.onComponentTap(componentData.id),

pubspec.yaml

@@ -1,6 +1,6 @@
 name: diagram_editor
 description: A flutter diagram editor library that provides DiagramEditor widget and a possibility to customize all editor design and behavior.
-version: 0.0.8
+version: 0.0.9
 homepage: https://github.com/Arokip/fdl
 
 environment: