feat(MultiSelectGeneric): add MultiSelectGeneric component #6103
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| @namespace BootstrapBlazor.Components | ||
| @using Microsoft.AspNetCore.Components.Web.Virtualization | ||
| @typeparam TValue | ||
| @inherits SelectBase<List<TValue>> | ||
| @attribute [BootstrapModuleAutoLoader("Select/MultiSelect.razor.js", JSObjectReference = true)] | ||
|
|
||
| @if (IsShowLabel) | ||
| { | ||
| <BootstrapLabel required="@Required" for="@Id" ShowLabelTooltip="ShowLabelTooltip" Value="@DisplayText"></BootstrapLabel> | ||
| } | ||
| <div @attributes="@AdditionalAttributes" class="@ClassString" id="@Id" data-bb-scroll-behavior="@ScrollIntoViewBehaviorString"> | ||
| <div class="@ToggleClassString" data-bs-toggle="@ToggleString" data-bs-placement="@PlacementString" data-bs-offset="@OffsetString" data-bs-auto-close="outside" data-bs-custom-class="@CustomClassString" tabindex="0"> | ||
| <div class="@PlaceHolderClassString">@PlaceHolder</div> | ||
| <div class="multi-select-items"> | ||
| @if (DisplayTemplate != null) | ||
| { | ||
| @DisplayTemplate(SelectedItems) | ||
| } | ||
| else | ||
| { | ||
| foreach (var item in SelectedItems) | ||
| { | ||
| if (ShowCloseButton) | ||
| { | ||
| <div class="multi-select-item-group"> | ||
| <DynamicElement TagName="span" class="multi-select-close" | ||
| TriggerClick="@(!IsPopover)" OnClick="() => ToggleRow(item)"> | ||
| <i class="@CloseButtonIcon"></i> | ||
| </DynamicElement> | ||
| <span class="multi-select-item">@item.Text</span> | ||
| </div> | ||
| } | ||
| else | ||
| { | ||
| <span class="multi-select-item">@item.Text</span> | ||
| } | ||
| } | ||
| } | ||
| </div> | ||
| @if (!IsSingleLine) | ||
| { | ||
| <span class="@AppendClassString"><i class="@DropdownIcon"></i></span> | ||
| } | ||
| </div> | ||
| @if (GetClearable()) | ||
| { | ||
| <span class="@ClearClassString" @onclick="OnClearValue"><i class="@ClearIcon"></i></span> | ||
| } | ||
| <div class="@DropdownMenuClassString"> | ||
| @if (ShowSearch) | ||
| { | ||
| <div class="dropdown-menu-search"> | ||
| <input type="text" class="search-text form-control" autocomplete="off" value="@SearchText" aria-label="search" /> | ||
| <i class="@SearchIconString"></i> | ||
| <i class="@SearchLoadingIconString"></i> | ||
| </div> | ||
| } | ||
| @if (ShowToolbar) | ||
| { | ||
| <div class="toolbar"> | ||
| @if (ShowDefaultButtons) | ||
| { | ||
| <DynamicElement TagName="button" type="button" class="btn" OnClick="SelectAll">@SelectAllText</DynamicElement> | ||
| <DynamicElement TagName="button" type="button" class="btn" OnClick="InvertSelect">@ReverseSelectText</DynamicElement> | ||
| <DynamicElement TagName="button" type="button" class="btn" OnClick="Clear">@ClearText</DynamicElement> | ||
| } | ||
| @ButtonTemplate | ||
| </div> | ||
| } | ||
| @if (IsVirtualize) | ||
| { | ||
| <div class="dropdown-menu-body dropdown-virtual"> | ||
| @if (OnQueryAsync == null) | ||
| { | ||
| <Virtualize ItemSize="RowHeight" OverscanCount="OverscanCount" Items="@GetVirtualItems()" ChildContent="RenderRow"> | ||
| </Virtualize> | ||
| } | ||
| else | ||
| { | ||
| <Virtualize ItemSize="RowHeight" OverscanCount="OverscanCount" ItemsProvider="LoadItems" | ||
| Placeholder="RenderPlaceHolderRow" ItemContent="RenderRow" @ref="_virtualizeElement"> | ||
| </Virtualize> | ||
| } | ||
| </div> | ||
| } | ||
| else if (Rows.Count == 0) | ||
| { | ||
| <div class="dropdown-item">@NoSearchDataText</div> | ||
| } | ||
| else | ||
| { | ||
| <div class="dropdown-menu-body"> | ||
| @foreach (var itemGroup in Rows.GroupBy(i => i.GroupName)) | ||
| { | ||
| if (!string.IsNullOrEmpty(itemGroup.Key)) | ||
| { | ||
| if (GroupItemTemplate != null) | ||
| { | ||
| @GroupItemTemplate(itemGroup.Key) | ||
| } | ||
| else | ||
| { | ||
| <Divider Text="@itemGroup.Key" /> | ||
| } | ||
| } | ||
| @foreach (var item in itemGroup) | ||
| { | ||
| @RenderRow(item) | ||
| } | ||
|
|
||
| if (!string.IsNullOrEmpty(itemGroup.Key)) | ||
| { | ||
| if (GroupItemTemplate != null) | ||
| { | ||
| @GroupItemTemplate(itemGroup.Key) | ||
| } | ||
| else | ||
| { | ||
| <Divider Text="@itemGroup.Key" /> | ||
| } | ||
| } | ||
| } | ||
| </div> | ||
| } | ||
| </div> | ||
| </div> | ||
|
|
||
| @code { | ||
| RenderFragment<SelectedItem<TValue>> RenderRow => item => | ||
| @<DynamicElement OnClick="() => ToggleRow(item)" TriggerClick="@CheckCanTrigger(item)" class="@GetItemClassString(item)"> | ||
| <div class="multi-select-item"> | ||
| <div class="form-check"> | ||
| <input class="form-check-input" type="checkbox" disabled="@CheckCanSelect(item)" checked="@GetCheckedString(item)" /> | ||
|
Contributor
There was a problem hiding this comment. issue (bug_risk): The checked attribute is set as a string, which may cause issues. Blazor checkboxes require a boolean for the 'checked' attribute. Update GetCheckedState to return a boolean and bind it directly to 'checked'. |
||
| </div> | ||
| @if (ItemTemplate != null) | ||
| { | ||
| @ItemTemplate(item) | ||
| } | ||
| else if (IsMarkupString) | ||
| { | ||
| @((MarkupString)item.Text) | ||
| } | ||
| else | ||
| { | ||
| <span>@item.Text</span> | ||
| } | ||
| </div> | ||
| </DynamicElement>; | ||
|
|
||
| RenderFragment<PlaceholderContext> RenderPlaceHolderRow => context => | ||
| @<div class="dropdown-item"> | ||
| <div class="is-ph"></div> | ||
| </div>; | ||
| } | ||
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suggestion: Group dividers are rendered both before and after each group.
Rendering dividers both before and after each group can create duplicates. Consider rendering a divider only before each group except the first, or after each group except the last, to avoid unnecessary dividers.