0.0.1: Initial commit

lib/checkbox_formfield.dart

@@ -0,0 +1,104 @@
+library checkbox_formfield;
+
+import 'package:flutter/material.dart';
+
+class CheckboxListTileFormField extends FormField<bool> {
+  CheckboxListTileFormField({
+    Key key,
+    Widget title,
+    BuildContext context,
+    FormFieldSetter<bool> onSaved,
+    FormFieldValidator<bool> validator,
+    bool initialValue = false,
+    bool autovalidate = false,
+    bool enabled = true,
+    bool dense = false,
+    Color activeColor,
+    Color checkColor = const Color(0xFFFFFFFF),
+    ListTileControlAffinity listTileControlAffinity =
+        ListTileControlAffinity.leading,
+    Widget secondary,
+  }) : super(
+          key: key,
+          onSaved: onSaved,
+          validator: validator,
+          initialValue: initialValue,
+          autovalidate: autovalidate,
+          builder: (FormFieldState<bool> state) {
+            return CheckboxListTile(
+              title: title,
+              dense: dense,
+              // if active color is null, Theme.of(context).accentColor will be used.
+              activeColor: activeColor,
+              checkColor: checkColor,
+              value: state.value,
+              onChanged: enabled ? state.didChange : null,
+              subtitle: state.hasError
+                  ? Text(
+                      state.errorText,
+                      style: context == null
+                          ? TextStyle(color: Colors.red)
+                          : TextStyle(color: Theme.of(context).errorColor),
+                    )
+                  : null,
+              controlAffinity: listTileControlAffinity,
+              secondary: secondary,
+            );
+          },
+        );
+}
+
+class CheckboxIconFormField extends FormField<bool> {
+  CheckboxIconFormField({
+    Key key,
+    BuildContext context,
+    FormFieldSetter<bool> onSaved,
+    //FormFieldValidator<bool> validator,
+    bool initialValue = false,
+    bool autovalidate = false,
+    bool enabled = true,
+    IconData trueIcon = Icons.check,
+    Color trueIconColor,
+    IconData falseIcon = Icons.check_box_outline_blank,
+    Color falseIconColor,
+    double padding = 24.0,
+    double iconSize = 24.0,
+  }) : super(
+          key: key,
+          onSaved: onSaved,
+          //validator: validator,
+          initialValue: initialValue,
+          autovalidate: autovalidate,
+          builder: (FormFieldState<bool> state) {
+            return Padding(
+              padding: EdgeInsets.all(padding),
+              child: _createTappableIcon(state, trueIcon, trueIconColor,
+                  falseIcon, falseIconColor, iconSize),
+            );
+          },
+        );
+
+  static Widget _createTappableIcon(
+      FormFieldState<bool> state,
+      IconData trueIcon,
+      Color trueIconColor,
+      IconData falseIcon,
+      Color falseIconColor,
+      double iconSize) {
+    if (state.value) {
+      return GestureDetector(
+        onTap: () {
+          state.didChange(false);
+        },
+        child: Icon(trueIcon, color: trueIconColor, size: iconSize),
+      );
+    } else {
+      return GestureDetector(
+        onTap: () {
+          state.didChange(true);
+        },
+        child: Icon(falseIcon, color: falseIconColor, size: iconSize),
+      );
+    }
+  }
+}