隐藏删除符号

lib/utils/as_grid_image_view.dart

@@ -12,21 +12,19 @@ class AsGridImageView extends StatelessWidget {
   final void Function(dynamic value)? onDelete;
   final double? iconSize;
 
-  const AsGridImageView.fromFile(
+  const AsGridImageView.fromFile({Key? key,
-      {Key? key,
+    required this.files,
-      required this.files,
+    this.placeholder,
-      this.placeholder,
+    this.onDelete,
-      this.onDelete,
+    this.iconSize})
-      this.iconSize})
       : nets = null,
         super(key: key);
 
-  const AsGridImageView.fromNets(
+  const AsGridImageView.fromNets({Key? key,
-      {Key? key,
+    required this.nets,
-      required this.nets,
+    this.placeholder,
-      this.placeholder,
+    this.onDelete,
-      this.onDelete,
+    this.iconSize})
-      this.iconSize})
       : files = null,
         super(key: key);
 
@@ -43,58 +41,58 @@ class AsGridImageView extends StatelessWidget {
         shrinkWrap: true,
         children: files == null
             ? nets!
-                .map((e) => GestureDetector(
+            .map((e) =>
-                      onTap: () => PhotoViewer.fromNet(
+            GestureDetector(
-                        context,
+              onTap: () =>
-                        tag: e,
+                  PhotoViewer.fromNet(
-                        net: e,
+                    context,
-                      ),
+                    tag: e,
-                      child: Stack(
+                    net: e,
-                        children: [
+                  ),
-                          Hero(
+              child: Stack(
-                            tag: e,
+                children: [
-                            child: FadeInImage.assetNetwork(
+                  Hero(
-                                placeholder: placeholder ?? '', image: e),
+                    tag: e,
-                          ),
+                    child: FadeInImage.assetNetwork(
-                          Positioned(
+                        placeholder: placeholder ?? '', image: e),
-                              top: size / 2,
+                  ),
-                              right: size / 2,
+                  if(onDelete != null) Positioned(
-                              child: GestureDetector(
+                      top: size / 2,
-                                onTap: () {
+                      right: size / 2,
-                                  if (onDelete == null) {
+                      child: GestureDetector(
-                                    onDelete!(e);
+                        onTap: () {
-                                  }
+                          onDelete!(e);
-                                },
+                        },
-                                child: Icon(
+                        child: Icon(
-                                  CupertinoIcons.xmark_circle_fill,
+                          CupertinoIcons.xmark_circle_fill,
-                                  color: Colors.black45,
+                          color: Colors.black45,
-                                ),
+                        ),
-                              ))
+                      ))
-                        ],
+                ],
-                      ),
+              ),
-                    ))
+            ))
-                .toList()
+            .toList()
             : files!
-                .map((e) => Stack(children: [
+            .map((e) =>
-                      Positioned(
+            Stack(children: [
-                          top: 0,
+              if(onDelete != null) Positioned(
-                          right: 0,
+                  top: 0,
-                          child: GestureDetector(
+                  right: 0,
-                            onTap: () {
+                  child: GestureDetector(
-                              if (onDelete != null) {
+                    onTap: () {
-                                onDelete!(e);
+                      onDelete!(e);
-                              }
+                    },
-                            },
+                    child: Icon(
-                            child: Icon(
+                      CupertinoIcons.xmark_circle_fill,
-                              CupertinoIcons.xmark_circle_fill,
+                      color: Colors.black45,
-                              color: Colors.black45,
+                    ),
-                            ),
+                  )),
-                          )),
+              GestureDetector(
-                      GestureDetector(
+                  onTap: () =>
-                          onTap: () => PhotoViewer.fromFile(context,
+                      PhotoViewer.fromFile(context,
-                              tag: e.path, file: e),
+                          tag: e.path, file: e),
-                          child: Hero(tag: e.path, child: Image.file(e)))
+                  child: Hero(tag: e.path, child: Image.file(e)))
-                    ]))
+            ]))
-                .toList());
+            .toList());
   }
 }