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ListGroup

in namespace DotVVM.Bootstrap5.Controls

Renders a Bootstrap list group of items, links or buttons.

Usage & Scenarios

Renders a Bootstrap list group of items, links or buttons.

https://getbootstrap.com/docs/5.2/components/list-group

Sample 1: Basic ListGroup

Each item inside the ListGroup is represented by the ListGroupButton, ListGroupLink or ListGroupText control.

Place the items inside the ListGroup.

<bs:ListGroup>
  <bs:ListGroupText Text="{value: Text}" />
  <bs:ListGroupText Text="Item 2" />
  <bs:ListGroupText Text="Item 3" />
  <bs:ListGroupText>
    <h3>Custom content</h3>
    <p>Custom list item content</p>
  </bs:ListGroupText>
</bs:ListGroup>
public class ViewModel : DotvvmViewModelBase
{
    public string Text { get; set; } = "Data-bound text of the item.";
}

Sample 2: ListGroup - Item types

The ListGroup control has the ItemType property which specified the type of list group items - Default, Link and Button. With each item type, different wrapper tag is rendered.

<%--div and button tags--%>
<bs:ListGroup ItemType="Button">
    <bs:ListGroupButton Text="Item 2" />
    <bs:ListGroupButton Text="{value: Text}" />
</bs:ListGroup>

<%--Div and a tags--%>
<bs:ListGroup ItemType="Link">
    <bs:ListGroupLink Text="Item 2" Color="Danger" />
    <bs:ListGroupLink Text="{value: Text}" Color="Success" />
    <bs:ListGroupLink Text="{value: Text}" Enabled="False" />
    <bs:ListGroupLink Selected="True">
        <h3>Custom content</h3>
        <p>Custom list item content</p>
    </bs:ListGroupLink>
</bs:ListGroup>

<%--Ul and li tags--%>
<bs:ListGroup>
    <bs:ListGroupText Text="Item 2" Color="Danger" />
    <bs:ListGroupText Text="{value: Text}" Color="Success" />
    <bs:ListGroupText Text="{value: Text}" Enabled="False" />
    <bs:ListGroupText Selected="True">
        <h3>Custom content</h3>
        <p>Custom list item content</p>
    </bs:ListGroupText>
</bs:ListGroup>
public class ViewModel : DotvvmViewModelBase
{
    public string Text { get; set; } = "This is sample text.";
}

Sample 3: DataSource and Item* bindings

The DataSource property can be used to generate the items from an IEnumerable in the viewmodel.

Then you can use the following properties which tell the control what property of the collection item will be used:

  • ItemText specifies the property of the collection elements to be used as list item text.
  • ItemColor specifies the property of the collection elements to be used as list item color.
  • ItemNavigateUrl specifies the property of the collection elements to be used as list item link URL.
  • ItemIsEnabled specifies the property of the collection elements indicating whether the list item is enabled or not.
  • ItemIsSelected specifies the property of the collection elements indicating whether the list item is active or not.
  • ItemClick specifies a command in the viewmodel to be called when the list item is clicked.
<bs:ListGroup ItemType="Link" 
              DataSource="{value: LinksDataSet}" 
              ItemEnabled="{value: IsEnabled}" 
              ItemSelected="{value: IsSelected}" 
              ItemText="{value: Text}" 
              ItemColor="{value: Color}" 
              ItemNavigateUrl="{value: NavigateUrl}" />
 public class ViewModel : DotvvmViewModelBase
    {
        public List<LinkItem> LinksDataSet => new List<LinkItem>()
        {
            new LinkItem() { IsEnabled = true, IsSelected = false, NavigateUrl = "/bootstrap4-4.0/?url=https://www.google.com/", Text = "Google", Color = ListGroupItemColor.Info },
            new LinkItem() { IsEnabled = true, IsSelected = false, NavigateUrl = "/bootstrap4-4.0/?url=http://www.w3schools.com/html/", Text = "W3Schools", Color = ListGroupItemColor.Success },
            new LinkItem() { IsEnabled = true, IsSelected = true, NavigateUrl = "/bootstrap4-4.0/?url=https://www.microsoft.com/en-us/", Text = "Microsoft", Color = ListGroupItemColor.Warning },
            new LinkItem() { IsEnabled = false, IsSelected = false, NavigateUrl = "/bootstrap4-4.0/?url=https://github.com/riganti/dotvvm", Text = "DotVVM Github", Color = ListGroupItemColor.Danger }
        };

    }

    public class LinkItem
    {
        public string Text { get; set; }
        public string NavigateUrl { get; set; }
        public bool IsSelected { get; set; }
        public bool IsEnabled { get; set; }
        public ListGroupItemColor Color { get; set; }

    }

Sample 4: DataSource and ItemClick binding

The ItemClick property can be used when the list group contains the buttons.

<bs:ListGroup ItemType="Button" 
              DataSource="{value: Values}" 
              ItemText="{value: _this}" 
              ItemClick="{command: _parent.Select(_this)}" />

Selected item: {{value: SelectedValue}}

public class ViewModel : DotvvmViewModelBase
{
    public List<string> Values => new List<string>() { "one", "two", "three" };

    public string SelectedValue { get; set; }


    public void Select(string value)
    {
        SelectedValue = value;
    }
}

Sample 5: Badges

The list items can contain Badge controls. Use the Badge inner element property to specify the badge contents.

<bs:ListGroup>
  <bs:ListGroupText Text="{value: Text}">
      <BadgeTemplate>
        14
      </BadgeTemplate>
  </bs:ListGroupText>
  <bs:ListGroupText IsJustified="true" Text="Item 2" BadgeType="Danger" BadgeVisualStyle="Pill">
      <BadgeTemplate>
        2
      </BadgeTemplate>
  </bs:ListGroupText>
</bs:ListGroup>
public class ViewModel : DotvvmViewModelBase
{
    public string Text { get; set; } = "Data-bound text of the item.";
}

Sample 6: Group types

Set GroupType as Flush to remove some borders and rounded corners to render list group items edge-to-edge in a parent container (e.g., cards). Set GroupType as Numbered to opt into numbered list group items.

Flush mode cannot be combined with horizontal ListGroup

<h3>Flush list group</h3>
<bs:ListGroup ItemType="Link" GroupTypes="Flush">
  <bs:ListGroupLink Text="Ab" Color="Danger" />
  <bs:ListGroupLink Text="Cd" Color="Dark" />
  <bs:ListGroupLink Text="Ef" Color="Info" />
</bs:ListGroup>
<h3>Numbered and Flush list group</h3>
<bs:ListGroup GroupTypes="Numbered, Flush">
    <bs:ListGroupText Text="Ab" />
    <bs:ListGroupText Text="Cd" />
    <bs:ListGroupText Text="Ef" />
</bs:ListGroup>
<h3>Numbered and Horizontal list group</h3>
<bs:ListGroup ItemType="Button" Orientation="Horizontal" GroupTypes="Numbered">
  <bs:ListGroupButton Text="Ab" />
  <bs:ListGroupButton Text="Cd" />
  <bs:ListGroupButton Text="Ef" />
</bs:ListGroup>
public class ViewModel : DotvvmViewModelBase
{
    public string Text { get; set; } = "Data-bound text of the item.";
}

Sample 7: Orientation and responsibility

The Orientation property controls whether the ListGroup would be Horizontal or Vertical.

When using Horizontal ListGroup, than we can also use ForceVerticalOrientationBreakpoint to set when the ListGroup should change from Horizontal to Vertical.
If set to None than the ListGroup will never change to Vertical.

<bs:ListGroup data-ui="list-group-md" Orientation="Horizontal" ForceVerticalOrientationBreakpoint="Medium">
  <bs:ListGroupText Text="1" />
  <bs:ListGroupText Text="2" />
  <bs:ListGroupText Text="3" />
  <bs:ListGroupText Text="4" />
  <bs:ListGroupText Text="5" />
</bs:ListGroup>

Properties

Name Type Description Notes Default Value
property icon DataSource IValueBinding<IEnumerable<Object>> Gets or sets a data-source object from which the child controls will be generated.
attribute
inner element
static value
bindable
default
 null
property icon ForceVerticalOrientationBreakpoint ResponsiveBreakpoints Sets a breakpoint when ListGroup is changed from horizontal to vertical.
attribute
inner element
static value
bindable
default
 None
property icon GroupTypes ListGroupType[] Gets or sets the types of the ListGroup. Possible values are `Numbered` or `Flush` or both.
attribute
inner element
static value
bindable
default
 null
property icon IsTabList Boolean If set to true, `role` attribute is set to `tablist`
attribute
inner element
static value
bindable
default
 False
property icon ItemBadgeTemplate ITemplate Gets or sets a custom template for a Badge control inside a ListGroupItem when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon ItemBadgeText String Gets or sets a plain text for a Badge control inside a ListGroupItem when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon ItemBadgeType BadgeColor Gets or sets a badge color when DataSource is set.
attribute
inner element
static value
bindable
default
 Primary
property icon ItemBadgeVisualStyle BadgeVisualStyle Gets or sets a badge visual style when DataSource is set. Possible values are `Default` or `Pill`.
attribute
inner element
static value
bindable
default
 Default
property icon ItemColor ListGroupItemColor Gets or sets a ListGroupItem color when DataSource is set.
attribute
inner element
static value
bindable
default
 Default
property icon ItemEnabled Boolean Gets or sets a ListGroupItem disabled state when DataSource is set.
attribute
inner element
static value
bindable
default
 True
property icon ItemIsJustified Boolean When DataSource is set, adds `justify-content-between` and `align-items-center` CSS classes when DataSource is set.
attribute
inner element
static value
bindable
default
 False
property icon ItemNavigateUrl String Gets or sets a navigation URL for `Link` ListGroupItem when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon ItemRouteName String Gets or sets a route name when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon Items List<IListGroupItem> Gets or sets the items inside the control.
attribute
inner element
static value
bindable
default
 null
property icon ItemSelected Boolean Gets or sets whether ListGroupItem control is selected when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon ItemTemplate ITemplate Gets or sets a custom template for a ListGroupItem control when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon ItemText String Gets or sets a plain text for a ListGroupItem control when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon ItemType ListGroupItemType Gets or sets a type for a ListGroupItem control when DataSource is set.
attribute
inner element
static value
bindable
default
 Default
property icon ItemUrlSuffix String Gets or sets a URL suffix for a `Link` ListGroupItem control when DataSource is set.
attribute
inner element
static value
bindable
default
 null
property icon Orientation ListGroupOrientation Gets or sets a ListGroup orientation.
attribute
inner element
static value
bindable
default
 Vertical
property icon Visible Boolean Gets or sets whether the control is visible. When set to false, `style="display: none"` will be added to this control.
attribute
inner element
static value
bindable
default
 True

Events

Name Type Description
event icon ItemClick ICommandBinding Gets or sets the command that will be triggered when a `Button` ListGroupItem is clicked. DataSource must be is set.

HTML produced by the control

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