caption: range
created: 20171102134825376
modified: 20211009121606405
tags: Widgets TriggeringWidgets
title: RangeWidget
type: text/vnd.tiddlywiki

! Introduction

The range widget displays an HTML `<input type="range">` that reflects a given tiddler field numeric value. Adjusting the range slider sets the tiddler field to the value.

! Content and Attributes

The content of the `<$range>` widget is ignored.

|!Attribute |!Description |
|tiddler |Title of the tiddler to manipulate (defaults to the [[current tiddler|Current Tiddler]]) |
|field |The field of the //tiddler// bound to the range slider|
|index|<<.from-version "5.1.22">> The index of the //tiddler//, a [[DataTiddler|DataTiddlers]], to which the radio button is bound |
|min |The minimum value to be able to be set by the `<$range>` widget |
|max |The maximum value to be able to be set by the `<$range>` widget |
|increment |The minimum amount by which a value may be changed.  Defaults to 1 |
|default |If the field is missing or empty this is the default position for the widget handle relative to the min and max values|
|class |CSS classes to be assigned to the label around the range slider |
|actions|<<.from-version "5.1.23">> Optional, A string containing ActionWidgets to be triggered when the value changes. <br>The variable: ''actionValue'' is available for ''all'' actions.<br>The variable: ''actionValueHasChanged'' is always `yes` here.|
|actionsStart|<<.from-version "5.1.23">> Optional, A string containing ~ActionWidgets to be triggered when the "handle" is ''clicked''. <br>The variable: ''actionValueHasChanged'' is always `no` here|
|actionsStop|<<.from-version "5.1.23">> Optional, A string containing ~ActionWidgets to be triggered when the "handle" is ''released''. <br>The variable: ''actionValueHasChanged'' is `yes`, ''if'' the new-value is different to the start-value |
|disabled|<<.from-version "5.1.23">> Optional, disables the range input if set to "yes". Defaults to "no"|

! Examples

!! Range -1 to 10

<$macrocall $name='wikitext-example-without-html'
src="""<$range tiddler="$:/_RangeDemo/1" min="-1" max="10" default="1" increment="1"/> {{$:/_RangeDemo/1}}"""/>

!! Range 0 to 1

<$macrocall $name='wikitext-example-without-html'
src="""<$range tiddler="$:/_RangeDemo/2" min="0" max="1" default=".01" increment=".01"/> {{$:/_RangeDemo/2}}"""/>


{{RangeWidget Example}}