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46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
caption: action-deletefield
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created: 20141025120850184
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modified: 20141025120850184
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tags: Widgets ActionWidgets
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title: ActionDeleteFieldWidget
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type: text/vnd.tiddlywiki
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! Introduction
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The ''action-deletefield'' widget is an [[action widget|ActionWidgets]] that deletes specified fields of a tiddler. ActionWidgets are used within triggering widgets such as the ButtonWidget.
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! Content and Attributes
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The ''action-deletefield'' widget is invisible. Any content within it is ignored.
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|!Attribute |!Description |
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|$tiddler |The title of the tiddler whose fields are to be modified (if not provided defaults to the [[WidgetVariable: currentTiddler]] |
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|$field |Optional name of a field to delete |
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|//{any attributes not starting with $}// |Each attribute name specifies a field to be deleted. The attribute value is ignored and need not be specified |
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! Examples
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Here is an example of a button that deletes the caption and tags fields of the current tiddler:
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<$macrocall $name='wikitext-example-without-html'
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src='<$button>
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<$action-deletefield caption tags/>
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Delete "caption" and "tags"
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</$button>'/>
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Here is an example of a button that deletes the modified date and tags fields of the tiddler HelloThere:
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<$macrocall $name='wikitext-example-without-html'
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src='<$button>
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<$action-deletefield $tiddler="HelloThere" modified tags/>
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Delete "modified" and "tags" from ~HelloThere
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</$button>'/>
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Here is an example of a button that uses the optional $field attribute to delete the text field of the tiddler HelloThere:
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<$macrocall $name='wikitext-example-without-html'
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src='<$button>
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<$action-deletefield $tiddler="HelloThere" $field="text"/>
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Delete text from ~HelloThere
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</$button>'/>
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