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31 lines
1.1 KiB
Markdown
31 lines
1.1 KiB
Markdown
# How to Show Help Text on CMS Form Fields
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Sometimes you need to express more context for a form field
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than is suitable for its `<label>` element.
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The CMS provides you with an easy way to transform
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form field attributes into either help text
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shown alongside the field, or a tooltip which shows on demand.
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The `FormField->setDescription()` method will add a `<span class="description">`
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at the last position within the field, and expects unescaped HTML content.
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:::php
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TextField::create('MyText', 'My Text Label')
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->setDescription('More <strong>detailed</strong> help');
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To show the help text as a tooltip instead of inline,
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add a `.cms-description-tooltip` class.
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:::php
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TextField::create('MyText', 'My Text Label')
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->setDescription('More <strong>detailed</strong> help')
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->addExtraClass('cms-description-tooltip');
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Tooltips are only supported
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for native, focusable input elements, which excludes
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more complex fields like `GridField`, `UploadField`
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or `DropdownField` with the chosen.js behaviour applied.
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Note: For more advanced help text we recommend using
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[Custom form field templates](../form_templates);
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