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4 changes: 2 additions & 2 deletions
4
examples/Demo/Shared/Pages/TreeView/Examples/TreeViewFlat.razor
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,8 @@ | ||
| <FluentTreeView RenderCollapsedNodes=true> | ||
| <FluentTreeView> | ||
| <FluentTreeItem InitiallySelected="true">Daisy</FluentTreeItem> | ||
| <FluentTreeItem>Sunflower</FluentTreeItem> | ||
| <FluentTreeItem>Rose</FluentTreeItem> | ||
| <FluentDivider></FluentDivider> | ||
| <FluentTreeItem>Petunia</FluentTreeItem> | ||
| <FluentTreeItem>Tulip</FluentTreeItem> | ||
| </FluentTreeView> | ||
| </FluentTreeView> |
55 changes: 55 additions & 0 deletions
55
examples/Demo/Shared/Pages/TreeView/Examples/TreeViewWithItems.razor
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| <FluentTreeView Items="@Items" @bind-SelectedItem="@SelectedItem" LazyLoadItems="true"> | ||
| <ItemTemplate> | ||
| @context.Text | ||
| <span style="color: var(--accent-fill-rest); margin: 0 4px;"> | ||
| @(context.Items == null ? "" : $"[{context.Items.Count()}]") | ||
| </span> | ||
| </ItemTemplate> | ||
| </FluentTreeView> | ||
|
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| <div> | ||
| <b>Total items:</b> @Count | ||
| </div> | ||
| <div> | ||
| <b>Selected item:</b> @SelectedItem?.Text | ||
| </div> | ||
|
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| @code | ||
| { | ||
| private ITreeViewItem? SelectedItem; | ||
|
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| private Icon IconCollapsed = new Icons.Regular.Size20.Folder(); | ||
| private Icon IconExpanded = new Icons.Regular.Size20.FolderOpen(); | ||
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| private int Count = -1; | ||
| private IEnumerable<ITreeViewItem>? Items = new List<ITreeViewItem>(); | ||
|
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| protected override void OnInitialized() | ||
| { | ||
| Items = CreateTree(maxLevel: 5, maxItemsPerLevel: 12).Items; | ||
| SelectedItem = Items?.ElementAt(3); | ||
| } | ||
|
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| // Recursive method to create tree | ||
| private TreeViewItem CreateTree(int maxLevel, int maxItemsPerLevel, int level = 0) | ||
| { | ||
| Count++; | ||
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| int nbItems = Random.Shared.Next(maxItemsPerLevel - 3, maxItemsPerLevel); | ||
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| var treeItem = new TreeViewItem | ||
| { | ||
| Text = $"Item {Count}", | ||
| Disabled = level >= 2 && Count % 7 == 0, | ||
| IconCollapsed = IconCollapsed, | ||
| IconExpanded = IconExpanded, | ||
| Expanded = level >= 2 && Count % 5 == 0, | ||
| Items = level == maxLevel | ||
| ? null | ||
| : new List<TreeViewItem>(Enumerable.Range(1, nbItems) | ||
| .Select(i => CreateTree(maxLevel, maxItemsPerLevel, level + 1))), | ||
| }; | ||
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| return treeItem; | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
examples/Demo/Shared/Pages/TreeView/Examples/TreeViewWithUnlimitedItems.razor
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| <FluentTreeView Items="@Items" @bind-SelectedItem="@SelectedItem" /> | ||
|
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| <div> | ||
| Selected Item: @SelectedItem?.Text | ||
| </div> | ||
|
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| @code | ||
| { | ||
| private ITreeViewItem? SelectedItem; | ||
| private IEnumerable<ITreeViewItem>? Items = new List<ITreeViewItem>(); | ||
|
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| protected override void OnInitialized() | ||
| { | ||
| Items = GetItems(); | ||
| } | ||
|
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| private Task OnExpandedAsync(TreeViewItemExpandedEventArgs e) | ||
| { | ||
| if (e.Expanded) | ||
| { | ||
| e.CurrentItem.Items = GetItems(); | ||
| } | ||
| else | ||
| { | ||
| // Remove sub-items and add a "Fake" item to simulate the [+] | ||
| e.CurrentItem.Items = TreeViewItem.LoadingTreeViewItems; | ||
| } | ||
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| return Task.CompletedTask; | ||
| } | ||
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| private IEnumerable<ITreeViewItem> GetItems() | ||
| { | ||
| var nbItems = Random.Shared.Next(3, 9); | ||
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| return Enumerable.Range(1, nbItems).Select(i => new TreeViewItem() | ||
| { | ||
| Text = $"Item {Random.Shared.Next(1, 9999)}", | ||
| OnExpandedAsync = OnExpandedAsync, | ||
| Items = TreeViewItem.LoadingTreeViewItems, // "Fake" sub-item to simulate the [+] | ||
| }).ToArray(); | ||
| } | ||
| } |
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