From 18f5385ab44907680301b91c7473284404fc3e8c Mon Sep 17 00:00:00 2001
From: Thomas Chazot <tchazot63@gmail.com>
Date: Fri, 9 Dec 2022 10:13:13 +0100
Subject: [PATCH] Partie inventaire qui marche

---
 .../BlazorApp/Components/InventoryComp.razor  | 60 +++++++++++--------
 .../Components/InventoryComp.razor.cs         | 12 ++--
 .../BlazorApp/Components/InventoryItem.razor  |  3 +-
 .../Components/InventoryItem.razor.cs         | 43 +++++++++++--
 4 files changed, 82 insertions(+), 36 deletions(-)

diff --git a/BlazorApp/BlazorApp/Components/InventoryComp.razor b/BlazorApp/BlazorApp/Components/InventoryComp.razor
index 5e627f9..6223635 100644
--- a/BlazorApp/BlazorApp/Components/InventoryComp.razor
+++ b/BlazorApp/BlazorApp/Components/InventoryComp.razor
@@ -37,37 +37,45 @@
             </div>
 
             <div class="col-6">
-                <div>Available items:</div>
+                @foreach (var item in Items)
+                {
+                    <InventoryItem Item="item" NoDrop="true" />
+                }
 
-                <div>
-                    <DataGrid TItem="Item"
-                              Data="@Items"
-                              ReadData="@OnReadData"
-                              TotalItems="@totalItem"
-                              PageSize="10"
-                              ShowPager
-                              Sortable="true">
+            </div>
+                <!--
+    <div>Available items:</div>
 
-                        <button type="submit" @onclick="() => SortByName()"></button>
-                        <DataGridColumn TItem="Item" Field="@nameof(Item.Id)">
-                            <DisplayTemplate>
-                                @if (!string.IsNullOrWhiteSpace(context.ImageBase64))
-                                {
-                                    <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.DisplayName" alt="@context.DisplayName" style="max-width: 150px" />
-                                }
-                            </DisplayTemplate>
-                        </DataGridColumn>
-                        <DataGridColumn TItem="Item" Field="@nameof(Item.DisplayName)" />
-                    </DataGrid>
+        <div>
+            <DataGrid TItem="Item"
+                      Data="@Items"
+                      ReadData="@OnReadData"
+                      TotalItems="@totalItem"
+                      PageSize="10"
+                      ShowPager
+                      Sortable="true">
 
-                </div>
+                <button type="submit" @onclick="() => SortByName()"></button>
+                <DataGridColumn TItem="Item" Field="@nameof(Item.Id)">
+                    <DisplayTemplate>
+                        @if (!string.IsNullOrWhiteSpace(context.ImageBase64))
+                        {
+                            <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.DisplayName" alt="@context.DisplayName" style="max-width: 150px" />
+                        }
+                    </DisplayTemplate>
+                </DataGridColumn>
+                <DataGridColumn TItem="Item" Field="@nameof(Item.DisplayName)" />
+            </DataGrid>
 
+        </div>
 
+
+    </div>
+        -->
             </div>
-        </div>
     </div>
 </CascadingValue>
\ No newline at end of file
diff --git a/BlazorApp/BlazorApp/Components/InventoryComp.razor.cs b/BlazorApp/BlazorApp/Components/InventoryComp.razor.cs
index 182d0ae..2470a44 100644
--- a/BlazorApp/BlazorApp/Components/InventoryComp.razor.cs
+++ b/BlazorApp/BlazorApp/Components/InventoryComp.razor.cs
@@ -28,11 +28,8 @@ namespace BlazorApp.Components
 
         public InventoryComp()
         {
-            this.InventoryItems = new List<Item> { };
-            for (int i = 0; i < 18; i++)
-            {
-                this.InventoryItems.Append(null);
-            }
+            this.InventoryItems = new List<Item>(new Item[18]);
+       
         }
 
         private async Task OnReadData(DataGridReadDataEventArgs<Item> e)
@@ -54,5 +51,10 @@ namespace BlazorApp.Components
             Items = await DataService.SortedList();
         }
 
+        public void refresh()
+        {
+            StateHasChanged();
+        }
+
     }
 }
\ No newline at end of file
diff --git a/BlazorApp/BlazorApp/Components/InventoryItem.razor b/BlazorApp/BlazorApp/Components/InventoryItem.razor
index e64e6cd..298b7eb 100644
--- a/BlazorApp/BlazorApp/Components/InventoryItem.razor
+++ b/BlazorApp/BlazorApp/Components/InventoryItem.razor
@@ -4,7 +4,8 @@
      @ondragstart="@OnDragStart"
      @ondrop="@OnDrop"
      @ondragenter="@OnDragEnter"
-     @ondragleave="@OnDragLeave">
+     @ondragleave="@OnDragLeave"
+     @ondragend="@OnDragEnd" >
 
     @if (Item != null)
     {
diff --git a/BlazorApp/BlazorApp/Components/InventoryItem.razor.cs b/BlazorApp/BlazorApp/Components/InventoryItem.razor.cs
index 4bb4d74..6af5477 100644
--- a/BlazorApp/BlazorApp/Components/InventoryItem.razor.cs
+++ b/BlazorApp/BlazorApp/Components/InventoryItem.razor.cs
@@ -44,15 +44,50 @@ namespace BlazorApp.Components
                 return;
             }
 
-            Parent.InventoryItems[Parent.CurrentDragIndex] = this.Item;
-            this.Item = Parent.CurrentDragItem;
-            Parent.InventoryItems[this.Index] = 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;
+
         }
     }
 }