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Badge Specification
- Overview
- User Stories
- Functionality
- Test Scenarios
- Accessibility
- Assumptions and Limitations
- References
Team Name
Developer Name
Stefan Ivanov
- Peer Developer Name | Date:
- Simeon Simeonov | Date:
- Product Owner Name | Date:
- Platform Architect Name | Date:
Version | Users | Date | Notes |
---|---|---|---|
1 | Stefan Ivanov | 5 Jul 2021 | Update spec format |
The badge is a small and rounded component with an indication showing that there is an update on a related item (such as avatar, navigation menu, list item, or anywhere else in an app where some active indication is required).
igx-badge
should be associated with other parent components in order to indicate status change. It should be highly customizable, providing capabilities like vertical and horizontal align
, type changing
, assigning the different type of values
, using of material icons
.
- Have a badge that shows a value
- Have a badge that shows an icon
- The badge should adapt its width to fit the content
- The badge should have a type indicating its importance e.g. informational or error
- The badge should have an outline
- The badge should provide a way to set the roundedness
- The badge should be positioned in relation to another element e.g. in the top-right corner of the avatar
Developer stories:
- Story 1: As a developer, I want to use the badge with other components like avatar, navigation menus, list items etc.
- Story 2: As a developer, I want to manipulate the position of the badge.
- Story 3: As a developer, I want to use different visual representation types like success badge or warning badge.
- Story 4: As a developer, I want to set different values like text, number, or icon.
<igx-avatar initials="ZK" roundShape="true">
<igx-badge type="error" value="6" position="bottom-left"></igx-badge>
</igx-avatar>
<igx-avatar src="https://unsplash.it/60/60?image=55" roundShape="true">
<igx-badge icon="link" position="bottom-left"></igx-badge>
</igx-avatar>
- Story 5: As a developer, I want to set the badge fill and outline color.
End-user stories:
- Story 1: As an end-user, I want to be able to notice and determine the status of an element based on the badge attached to it and its color and value.
3.1 End-User Experience
igx-badge
should always display little circular-shaped component with text/number/icon content and different color based on badge type. The end-user interface consists of:
- Circular notification image.
- Different colors based on badge type.
- Different values used as notifications.
3.2 Developer Experience
type
: Type of the badge. Possible options default, info, success, warning, error. Will change the background color of the badge.
position
: Set the position of the badge relative to its parent container to either top-right, top-left, bottom-right or bottom-left.
value
: Displayed value inside the badge.
icon
: Set an icon for the badge from the material icons set.
3.3. Globalization/Localization
3.4 API
Name | Description | Type | Default value | Valid values |
---|---|---|---|---|
type |
Changes the background color of the badge according to the values set in the default theme | string | default, info, success, warning or error | |
position |
Sets the position of the badge relative to its parent container | top-right, top-left, bottom-right or bottom-left | ||
value |
Sets the value to be displayed inside the badge | string or number | ||
icon |
Sets an icon for the badge from the material icons set. Will not be displayed if value for the badge is already set | string |
Name | Description | Return type | Parameters |
---|---|---|---|
setClasses() |
Applies CSS class based on the badge type | ||
setPosition() |
Applies CSS class based on position property |
Automation
- Scenario 1:
- scenario 2:
ARIA Support
-
Roles
: - role="img". https://www.w3.org/TR/wai-aria/roles#img
-
Attributes
: - aria-label="badge". https://www.w3.org/TR/wai-aria/states_and_properties#aria-label
- aria-roledescription="roleDescription". https://www.w3.org/TR/wai-aria-1.1/#aria-roledescription