adding packages

2026-01-15 14:38:46 -08:00
parent ef86e3ab6a
commit 6869cf47e5
5253 changed files with 726695 additions and 34 deletions
@@ -0,0 +1,156 @@
+import 'package:flutter/material.dart';
+
+import 'base.dart';
+import 'string_gen.dart';
+import 'widget_config.dart';
+
+typedef AcceptWidgetCallback = void Function(
+    BuildContext context, dynamic data);
+
+Widget widgetAccept({
+  Widget child,
+  @required WidgetContext scope,
+  @required AcceptWidgetCallback onAccept,
+  Size size,
+  @required String id,
+  bool sizeOnlyDragging,
+  List<DynamicWidget> reject,
+  List<DynamicWidget> accept,
+  Widget fallback,
+}) {
+  if (child == null && !scope.isDragging) {
+    return fallback;
+  }
+  return _WidgetAccept(
+    id: id,
+    scope: scope,
+    child: child,
+    onAccept: onAccept,
+    size: size,
+    sizeOnlyDragging: sizeOnlyDragging,
+    reject: reject,
+    accept: accept,
+  );
+}
+
+class _WidgetAccept extends StatefulWidget {
+  const _WidgetAccept({
+    Key key,
+    @required this.scope,
+    @required this.id,
+    @required this.onAccept,
+    this.child,
+    this.size,
+    this.sizeOnlyDragging = false,
+    this.accept,
+    this.reject,
+  }) : super(key: key);
+
+  final List<DynamicWidget> reject, accept;
+  final Widget child;
+  final String id;
+  final AcceptWidgetCallback onAccept;
+  final WidgetContext scope;
+  final Size size;
+  final bool sizeOnlyDragging;
+
+  @override
+  __WidgetAcceptState createState() => __WidgetAcceptState();
+}
+
+class __WidgetAcceptState extends State<_WidgetAccept> {
+  bool _accepting = false;
+
+  @override
+  void didUpdateWidget(_WidgetAccept oldWidget) {
+    if (widget.id != oldWidget.id) {
+      if (mounted) setState(() {});
+    }
+    if (widget.scope != oldWidget.scope) {
+      if (mounted) setState(() {});
+    }
+    super.didUpdateWidget(oldWidget);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (widget.child != null) {
+      return widget.child;
+    }
+    if (!widget.scope.isDragging) {
+      return SizedBox.fromSize(
+        size: widget.sizeOnlyDragging ? null : widget.size,
+        child: Container(),
+      );
+    }
+    return SizedBox(
+      height: widget?.size?.height,
+      width: widget?.size?.width,
+      child: DragTarget<Map<String, dynamic>>(
+        onAccept: (val) {
+          if (mounted) {
+            setState(() {
+              _accepting = false;
+            });
+          }
+          if (val != null) {
+            final _data = val;
+            _data['id'] = StringGen.id;
+            if (_data['name'] == 'Text') {
+              _data['params']['style']['id'] = StringGen.id;
+            }
+            if (_data['name'] == 'Icon') {
+              _data['params']['0']['id'] = StringGen.id;
+            }
+            widget.onAccept(context, _data);
+          }
+        },
+        onLeave: (val) {
+          if (mounted) {
+            setState(() {
+              _accepting = false;
+            });
+          }
+        },
+        onWillAccept: (val) {
+          if (mounted) {
+            setState(() {
+              _accepting = true;
+            });
+          }
+          return _accepting;
+        },
+        builder: (context, accepted, rejected) {
+          return Center(
+            child: Container(
+              width: widget?.size?.width,
+              height: widget?.size?.height,
+              child: Placeholder(
+                color:
+                    !_accepting ? Colors.grey : Theme.of(context).accentColor,
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+}
+
+Map<String, dynamic> modifyAccept(Map<String, dynamic> val,
+    {double width, double height}) {
+  final _data = val;
+  _data['id'] = StringGen.id;
+  switch (_data['name']) {
+    case 'Container':
+      if (height != null) {
+        _data['params']['height'] = height;
+      }
+      if (width != null) {
+        _data['params']['width'] = width;
+      }
+      break;
+    default:
+  }
+  return _data;
+}