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docs(ContextMenu): add TreeView sample code #5118

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Jan 16, 2025
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11 changes: 9 additions & 2 deletions src/BootstrapBlazor.Server/Components/Samples/ContextMenus.razor
Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,15 @@
<ContextMenuZone>
<TreeView TItem="TreeFoo" Items="@TreeItems" />
<ContextMenu OnBeforeShowCallback="OnBeforeShowCallback">
<ContextMenuItem Icon="fa-solid fa-copy" Text="@Localizer["ContextMenuItemCopy"]" OnClick="OnCopy"></ContextMenuItem>
<ContextMenuItem Icon="fa-solid fa-paste" Text="@Localizer["ContextMenuItemPast"]" OnClick="OnPaste"></ContextMenuItem>
@if (SelectModel?.Id == "1020")
{
<ContextMenuItem Icon="fa-solid fa-copy" Text="@Localizer["ContextMenuItemCopy"]" OnClick="OnCopy"></ContextMenuItem>
<ContextMenuItem Icon="fa-solid fa-paste" Text="@Localizer["ContextMenuItemPast"]" OnClick="OnPaste"></ContextMenuItem>
}
else
{
<ContextMenuItem Icon="fa-solid fa-copy" Text="CopySub" OnClick="OnCopySub"></ContextMenuItem>
}
</ContextMenu>
</ContextMenuZone>
<ConsoleLogger @ref="_callbackLogger"></ConsoleLogger>
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Original file line number Diff line number Diff line change
Expand Up @@ -41,15 +41,22 @@ protected override void OnInitialized()
Items = Foo.GenerateFoo(LocalizerFoo);
}

TreeFoo? SelectModel = default;
private Task OnBeforeShowCallback(object? item)
{
if (item is TreeFoo foo)
{
_callbackLogger.Log($"{foo.Text} trigger");
SelectModel = foo;
}
return Task.CompletedTask;
}


Task OnCopySub(ContextMenuItem item, object value)
{
return Task.CompletedTask;
}
private bool OnDisabledCallback(ContextMenuItem item, object? context)
{
var ret = false;
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2 changes: 1 addition & 1 deletion src/BootstrapBlazor.Server/Locales/en-US.json
Original file line number Diff line number Diff line change
Expand Up @@ -6087,7 +6087,7 @@
"ContextMenuTreeTitle": "Tree",
"ContextMenuTreeIntro": "Right click on the <code>Tree</code> to pop up a context menu",
"ContextMenuCallbackTitle": "ContextMenu Callback",
"ContextMenuCallbackIntro": "By setting the <code>ContextMenu</code> component parameter <code>OnBeforeShowCallback</code>, you can get the callback event before the right-click menu pops up, which can be used for data preparation",
"ContextMenuCallbackIntro": "By setting the <code>ContextMenu</code> component parameter <code>OnBeforeShowCallback</code>, you can get the callback event before the right-click menu pops up, which can be used for data preparation or render menus based on conditions",
"ContextMenuDisabledTitle": "OnDisabledCallback",
"ContextMenuDisabledIntro": "By setting the <code>ContextMenuItem</code> component parameter <code>OnDisabledCallback</code> callback method, you can set whether the current right-click option is disabled."
},
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2 changes: 1 addition & 1 deletion src/BootstrapBlazor.Server/Locales/zh-CN.json
Original file line number Diff line number Diff line change
Expand Up @@ -6087,7 +6087,7 @@
"ContextMenuTreeTitle": "Tree 组件",
"ContextMenuTreeIntro": "点击 <code>Tree</code> 组件行数据右键,弹出上下文关联菜单",
"ContextMenuCallbackTitle": "ContextMenu 回调",
"ContextMenuCallbackIntro": "通过设置 <code>ContextMenu</code> 组件参数 <code>OnBeforeShowCallback</code> 获得右键菜单弹出前回调事件,可用于数据准备工作",
"ContextMenuCallbackIntro": "通过设置 <code>ContextMenu</code> 组件参数 <code>OnBeforeShowCallback</code> 获得右键菜单弹出前回调事件,可用于数据准备工作,也可按需渲染菜单",
"ContextMenuDisabledTitle": "禁止回调方法",
"ContextMenuDisabledIntro": "通过设置 <code>ContextMenuItem</code> 组件参数 <code>OnDisabledCallback</code> 回调方法可用于设置当前右键选项是否禁用逻辑"
},
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