fusiooooon

BlazorApp/BlazorApp/Components/InventoryComp.razor

@@ -37,11 +37,14 @@
             </div>
 
             <div class="col-6">
+
+            </div>
+                
     <div>Available items:</div>
 
         <div>
-                    <DataGrid TItem="InventoryItem"
-                              Data="@InvItems"
+            <DataGrid TItem="Item"
+                      Data="@Items"
                       ReadData="@OnReadData"
                       TotalItems="@totalItem"
                       PageSize="10"
@@ -49,25 +52,26 @@
                       Sortable="true">
 
                 <button type="submit" @onclick="() => SortByName()"></button>
-                        <DataGridColumn TItem="InventoryItem" Field="@nameof(InventoryItem.Item.Id)">
+                <DataGridColumn TItem="Item" Field="@nameof(Item.Id)">
                     <DisplayTemplate>
-                                @if (!string.IsNullOrWhiteSpace(context.Item.ImageBase64))
+                        @if (!string.IsNullOrWhiteSpace(context.ImageBase64))
                         {
-                                    <img src="data:image/png;base64, @(context.Item.ImageBase64)" class="img-thumbnail" title="@context.Item.DisplayName" alt="@context.Item.DisplayName" style="min-width: 50px; max-width: 50px" />
+                            <img src="data:image/png;base64, @(context.ImageBase64)" class="img-thumbnail" title="@context.DisplayName" alt="@context.DisplayName" style="min-width: 50px; max-width: 50px" />
                         }
                         else
                         {
-                                    <img src="images/default.png" class="img-thumbnail" title="@context.Item.DisplayName" alt="@context.Item.DisplayName" style="max-width: 150px" />
+                            <img src="images/default.png" class="img-thumbnail" title="@context.DisplayName" alt="@context.DisplayName" style="max-width: 150px" />
                         }
                     </DisplayTemplate>
                 </DataGridColumn>
-                        <DataGridColumn TItem="InventoryItem" Field="@nameof(InventoryItem.Item.DisplayName)" />
+                <DataGridColumn TItem="Item" Field="@nameof(Item.DisplayName)" />
             </DataGrid>
 
         </div>
 
 
     </div>
-        </div>
+        
+            
     </div>
 </CascadingValue>

BlazorApp/BlazorApp/Components/InventoryComp.razor.cs

@@ -61,5 +61,10 @@ namespace BlazorApp.Components
             Items = await DataService.SortedList();
         }
 
+        void refresh()
+        {
+            StateHasChanged();
+        }
+
     }
 }

BlazorApp/BlazorApp/Components/InventoryItem.razor

@@ -4,7 +4,8 @@
      @ondragstart="@OnDragStart"
      @ondrop="@OnDrop"
      @ondragenter="@OnDragEnter"
-     @ondragleave="@OnDragLeave">
+     @ondragleave="@OnDragLeave"
+     @ondragend="@OnDragEnd" >
 
     @if (Item != null)
     {

BlazorApp/BlazorApp/Components/InventoryItem.razor.cs

@@ -44,15 +44,50 @@ namespace BlazorApp.Components
                 return;
             }
 
-            Parent.InventoryItems[Parent.CurrentDragIndex] = this.Item;
+            if (Parent.CurrentDragItem != null)
+            {
+                Item tmp = this.Item;
                 this.Item = Parent.CurrentDragItem;
                 Parent.InventoryItems[this.Index] = this.Item;
+                Parent.CurrentDragItem = tmp;
+                Parent.CurrentDragIndex = this.Index;
+            }
         }
 
         private void OnDragStart()
         {
-            Parent.CurrentDragIndex = this.Index;
+
             Parent.CurrentDragItem = this.Item;
+            if (this.Item != null)
+            {
+                if (!NoDrop)
+                {
+                    Parent.CurrentDragIndex = this.Index;
+                    this.Item = null;
+                    Parent.InventoryItems[Index] = null; 
+                }
+                else
+                {
+                    Parent.CurrentDragIndex = -1;
+                }
+
+            }
+        }
+
+        internal void OnDragEnd()
+        {
+            if (NoDrop || Parent.CurrentDragItem==null)
+            {
+                return;
+            }
+            if (Parent.CurrentDragIndex != -1 && Parent.CurrentDragIndex!=this.Index)
+            {
+                Parent.InventoryItems[this.Index] = this.Item;
+                this.Item = Parent.CurrentDragItem;
+            }
+            Parent.CurrentDragIndex = -1;
+            Parent.CurrentDragItem = null;
+
         }
     }
 }