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43 lines
2.3 KiB
Plaintext
43 lines
2.3 KiB
Plaintext
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caption: edit-text
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created: 20131024141900000
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modified: 20141025085449609
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tags: Widgets
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title: EditTextWidget
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type: text/vnd.tiddlywiki
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! Introduction
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The edit text widget provides a user interface in the browser for editing text tiddler fields. The editing element is dynamically bound to the underlying tiddler value: changes to the tiddler are instantly reflected, and any edits are instantly propogated.
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By default, the edit text widget generates a `<textarea>` as the HTML editing element when the `text` field is edited, and a `<input type="text">` element otherwise. This behaviour can be overridden with the `tag` and `type` attributes.
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! Content and Attributes
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The content of the `<$edit-text>` widget is ignored.
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|!Attribute |!Description |
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|tiddler |The tiddler to edit (defaults to the CurrentTiddler) |
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|field |The field to edit (defaults to `text`). Takes precedence over the `index` attribute |
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|index |The index to edit |
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|default |The default text to be provided when the target tiddler doesn't exist |
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|class |A CSS class to be assigned to the generated HTML editing element |
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|placeholder |Placeholder text to be displayed when the edit field is empty |
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|focusPopup |Title of a state tiddler for a popup that is displayed when the editing element has focus |
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|tag |Overrides the generated HTML editing element tag. Use `textarea` for a multi-line editor |
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|type |Overrides the generated HTML editing element `type` attribute |
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|size |The size of the input field (in characters) |
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|autoHeight |Either "yes" or "no" to specify whether to automatically resize `textarea` editors to fit their content (defaults to "yes") |
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|minHeight |Minimum height for automatically resized `textarea` editors, specified in CSS length units such as "px", "em" or "%" |
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! Notes
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One trap to be aware of is that the edit text widget cannot be used to edit a field of the tiddler that contains it. Each keypress results in the tiddler being re-rendered, which loses the cursor position within the text field.
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Instead, place the edit text widget in a [[template|TemplateTiddlers]] that references the tiddler you want to modify.
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For example, if you wanted to edit the value of the "myconfig" field of the tiddler "AppSettings", you might do so by creating a separate tiddler "ChangeAppSettings" that contains the following:
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```
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<$edit-text tiddler="AppSettings" field="myconfig"/>
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```
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