Introduction
The action-deletefield widget is an action widget that deletes specified fields of a tiddler. ActionWidgets are used within triggering widgets such as the ButtonWidget.
Content and Attributes
The action-deletefield widget is invisible. Any content within it is ignored.
Attribute | Description |
---|---|
$tiddler | The title of the tiddler whose fields are to be modified (if not provided defaults to the current tiddler) |
$field | Optional name of a field to delete |
{any attributes not starting with $} | Each attribute name specifies a field to be deleted. The attribute value is ignored and need not be specified |
Examples
Here is an example of a button that deletes the caption and tags fields of the current tiddler:
<$button>
<$action-deletefield caption tags/>
Delete "caption" and "tags"
</$button>
That renders as:
Here is an example of a button that deletes the modified date and tags fields of the tiddler HelloThere:
<$button>
<$action-deletefield $tiddler="HelloThere" modified tags/>
Delete "modified" and "tags" from ~HelloThere
</$button>
That renders as:
Here is an example of a button that uses the optional $field attribute to delete the text field of the tiddler HelloThere:
<$button>
<$action-deletefield $tiddler="HelloThere" $field="text"/>
Delete text from ~HelloThere
</$button>
That renders as: