ant-design-blazor/components/tabs/Tabs.razor

@namespace AntDesign
@inherits AntDomComponentBase
<CascadingValue Value="this">
    @ChildContent
</CascadingValue>

<div class="@ClassMapper.Class" style="@Style" id="@Id">
    <!--Tab bar-->
    <div role="tablist" class="ant-tabs-nav">
        <div class="ant-tabs-nav-wrap @_tabsNavWarpPingClass" @ref="@_tabBars">
            <div class="ant-tabs-nav-list" style="@_navStyle" @ref="@_scrollTabBar">
                @foreach (var pane in _panes)
                {
                    if (pane.IsActive)
                    {
                        <button @ref="_activeTabBar" type="button" role="tab" aria-selected="@(pane.IsActive)" tabindex="0" class="@pane._classMapper.Class" id="@($"rc-tabs-{Id}-tab-{pane.Key}")" aria-controls="@($"rc-tabs-{Id}-tab-{pane.Key}")"
                                draggable="@Draggable.ToString()"
                                @ondragover:preventDefault
                                ondragover="event.preventDefault();"
                                @ondragstart="(e)=>HandleDragStart(e, pane)"
                                @ondrop="(e)=>HandleDrop(pane)">
                            @if (Type == TabType.EditableCard && pane.Closable)
                            {
                                @pane.Tab
                                <span class="ant-tabs-tab-remove">
                                    <Icon Type="close" @onclick="(e)=>RemoveTabPane(pane)" />
                                </span>
                            }
                            else
                            {
                                @pane.Tab
                            }
                        </button>
                    }
                    else
                    {
                        <button type="button" role="tab" aria-selected="@(pane.IsActive)" tabindex="0" class="@pane._classMapper.Class" id="@($"rc-tabs-{Id}-tab-{pane.Key}")" aria-controls="@($"rc-tabs-{Id}-tab-{pane.Key}")"
                                disabled="@(pane.Disabled)"
                                @onclick="(e)=>HandleTabClick(pane,e)"
                                @onclick:stopPropagation
                                draggable="@Draggable.ToString()"
                                ondragover="event.preventDefault();"
                                @ondragstart="(e)=>HandleDragStart(e, pane)"
                                @ondrop="(e)=>HandleDrop(pane)">
                            @if (Type == TabType.EditableCard && pane.Closable)
                            {
                                @pane.Tab
                                <span class="ant-tabs-tab-remove">
                                    <Icon Type="close" @onclick="(e)=>RemoveTabPane(pane)" />
                                </span>
                            }
                            else
                            {
                                @pane.Tab
                            }
                        </button>
                    }
                }
                @if (Type == TabType.EditableCard && !HideAdd)
                {
                    <button type="button" class="ant-tabs-nav-add" aria-label="Add tab" @onclick="(e)=>AddTabPane(e)">
                        <span role="img" aria-label="plus" class="anticon anticon-plus">
                            <svg viewBox="64 64 896 896" focusable="false" class="" data-icon="plus" width="1em" height="1em" fill="currentColor" aria-hidden="true">
                                <defs><style></style></defs>
                                <path d="M482 152h60q8 0 8 8v704q0 8-8 8h-60q-8 0-8-8V160q0-8 8-8z"></path>
                                <path d="M176 474h672q8 0 8 8v60q0 8-8 8H176q-8 0-8-8v-60q0-8 8-8z">
                                </path>
                            </svg>
                        </span>
                    </button>
                }
                <div class="ant-tabs-ink-bar ant-tabs-ink-bar-animated" style="@_inkStyle"></div>
            </div>
        </div>
        @if (TabBarExtraContent != null || (Card?.Extra != null && Card?.Title == null && Card?.TitleTemplate == null))
        {
            <div class="ant-tabs-extra-content">
                @(TabBarExtraContent?? Card?.Extra)
            </div>
        }
        <Dropdown>
            <Overlay>
                <ul tabindex="0" class="ant-tabs-dropdown-menu ant-tabs-dropdown-menu-root ant-tabs-dropdown-menu-vertical" id="@($"rc-tabs-{Id}-more-popup")" role="listbox" aria-label="expanded dropdown">
                    @foreach (var pane in _panes.Where(p => !p.IsActive))
                    {
                        <li class="ant-tabs-dropdown-menu-item @(pane.Disabled?$"ant-tabs-dropdown-menu-item-disabled":string.Empty)" id="@($"rc-tabs-{Id}-more-popup-{pane.Key}")" role="option" aria-disabled="false" aria-selected="false" aria-controls="@($"rc-tabs-{Id}-more-popup-{pane.Key}")"
                            @onclick="(e)=>HandleTabClick(pane,e)">@pane.Tab</li>
                        }
                </ul>
            </Overlay>
            <ChildContent>
                <div class="@_operationClass" @onclick:preventDefault>
                    <button tabindex="-1" class="ant-tabs-nav-more" id="rc-tabs-0-more" aria-expanded="false" aria-haspopup="listbox" aria-hidden="true" aria-controls="rc-tabs-0-more-popup"
                            style="@_operationStyle" type="button">
                        <span class="anticon anticon-ellipsis" role="img" aria-label="ellipsis">
                            <svg xmlns="http://www.w3.org/2000/svg" class="" aria-hidden="true" fill="currentColor" viewBox="64 64 896 896" focusable="false" width="1em" height="1em" data-icon="ellipsis"><path d="M 176 511 a 56 56 0 1 0 112 0 a 56 56 0 1 0 -112 0 Z m 280 0 a 56 56 0 1 0 112 0 a 56 56 0 1 0 -112 0 Z m 280 0 a 56 56 0 1 0 112 0 a 56 56 0 1 0 -112 0 Z" /></svg>
                        </span>
                    </button>
                </div>
            </ChildContent>
        </Dropdown>
    </div>
    <!--Tab content-->
    @if (Card == null)
    {
        <div class="ant-tabs-content-holder ">
            <div class="ant-tabs-content ant-tabs-content-@TabPosition">
                @foreach (var pane in _panes)
                {
                    if (pane.IsActive || pane.ForceRender || pane.HasRendered)
                    {
                        pane.HasRendered = true;


                        <div @key="pane.Id"
                             tabindex="@(pane.IsActive ? "0" : "-1")"
                             class="ant-tabs-tabpane @(pane.IsActive ? "ant-tabs-tabpane-active" : "")"
                             id="@($"rc-tabs-{Id}-panel-{pane.Key}")"
                             role="tabpanel" aria-hidden="@(pane.IsActive ? "false" : "true")"
                             aria-labelledby="@($"rc-tabs-{Id}-panel-{pane.Key}")"
                             style="@(pane.IsActive ? "" : "display: none;")">

                            @pane.ChildContent
                        </div>
                    }
                }
            </div>
        </div>
    }
</div>