Rating
in namespace DotVVM.BusinessPack.Controls
Renders a horizontal set of points representing a rating. If enabled, the user can select one of these points to set the rating.
Usage & Scenarios
Displays several stars (or any other symbols) and lets the user to select a some of them.
Sample 1: Basic Usage
The Value
property represents a number of stars selected by the user.
The MaxValue
specifies the number of stars to be displayed.
<bp:Rating Value="{value: Rating}"
MaxValue="5" />
using DotVVM.Framework.ViewModel;
namespace DotvvmWeb.Views.Docs.Controls.businesspack.Rating.sample1
{
public class ViewModel : DotvvmViewModelBase
{
public double Rating { get; set; } = 4.5;
}
}
Sample 2: Configuration
The AllowHalfPoints
allows to select 1/2 of a star to be able to get more precise rating. By default, the user can select only the entire star.
The AllowPreviewOnHover
property can be used to disable the hover effect that indicates which stars will be selected on click.
<bp:Rating Value="{value: Rating}"
MaxValue="5"
AllowHalfPoints="false"
AllowPreviewOnHover="false" />
using DotVVM.Framework.ViewModel;
namespace DotvvmWeb.Views.Docs.Controls.businesspack.Rating.sample2
{
public class ViewModel : DotvvmViewModelBase
{
public double Rating { get; set; } = 4;
}
}
Sample 3: Changed Event
The Changed
property specifies a command in the viewmodel that is triggered whenever the user changes the rating.
<bp:Rating Value="{value: Rating}"
MaxValue="5"
Changed="{command: RatingChanged()}" />
<p>Rating has changed {{value: ChangeCount}} times.</p>
using DotVVM.Framework.ViewModel;
namespace DotvvmWeb.Views.Docs.Controls.businesspack.Rating.sample3
{
public class ViewModel : DotvvmViewModelBase
{
public double Rating { get; set; } = 4.5;
public int ChangeCount { get; set; }
public void RatingChanged()
{
ChangeCount++;
}
}
}
Sample 4: Custom Icons
The icons in the control can be customized using the following properties:
EmptyPointIconCssClass
represents an icon for a start that is not selected. The default value isfa fa-star
(FontAwesome).HalfPointIconCssClass
represents an icon for a start that is partially selected. The default value isfa fa-star-half-empty
(FontAwesome).FullPointIconCssClass
represents an icon for a start that is fully selected. The default value isfa fa-star0
(FontAwesome).
<bp:Rating Value="{value: Rating}"
MaxValue="5"
EmptyPointIconCssClass="empty"
HalfPointIconCssClass="half"
FullPointIconCssClass="full" />
using DotVVM.Framework.ViewModel;
namespace DotvvmWeb.Views.Docs.Controls.businesspack.Rating.sample4
{
public class ViewModel : DotvvmViewModelBase
{
public double Rating { get; set; } = 3.5;
}
}
Properties
Name | Type | Description | Notes | Default Value | |
---|---|---|---|---|---|
AllowHalfPoints | Boolean | Gets or sets whether to display half points and allow the user to select half point values. |
attribute
static value
|
True | |
AllowPreviewOnHover | Boolean | Gets or sets whether to display a preview of the selected value when user hovers over the control. |
attribute
static value
|
True | |
Attributes | Dictionary<String,Object> |
attribute
static value
|
null | ||
ClientIDMode | ClientIDMode | Gets or sets the client ID generation algorithm. |
attribute
static value
|
Static | |
DataContext | Object | Gets or sets a data context for the control and its children. All value and command bindings are evaluated in context of this value. |
attribute
static value
bindable
|
null | |
EmptyPointIconCssClass | String | Gets or sets the CSS class used for empty points. |
attribute
static value
bindable
|
fa fa-star-o | |
Enabled | Boolean | Gets or sets whether the control responds to user actions. |
attribute
static value
bindable
|
True | |
FullPointIconCssClass | String | Gets or sets the CSS class used for full points. |
attribute
static value
bindable
|
fa fa-star | |
HalfPointIconCssClass | String | Gets or sets the CSS class used for half points. |
attribute
static value
bindable
|
fa fa-star-half-empty | |
ID | String | Gets or sets the unique control ID. |
attribute
static value
|
null | |
InnerText | String | Gets or sets the inner text of the HTML element. |
attribute
static value
bindable
|
null | |
MaxValue | Int32 | Gets or sets the maximum value that the Value can reach. |
attribute
static value
bindable
|
5 | |
Value | Double? | Gets or sets the current value of the Rating. |
attribute
bindable
|
null | |
Visible | Boolean | Gets or sets whether the control is visible. |
attribute
bindable
|
True |
Events
Name | Type | Description | |
---|---|---|---|
Changed | Command | Gets or sets the command that is called when Value changes. |