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https://github.com/ToolJet/ToolJet
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122 lines
9.8 KiB
Markdown
122 lines
9.8 KiB
Markdown
---
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id: text-area
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title: Textarea
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---
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The **Textarea** component allows users to enter text in an input field similar to the [Text Input](/docs/widgets/text-input) component. Textarea is generally preferred when we are expecting an input of multiple sentences. In this document, we'll go through all the configuration options for the **Textarea** component.
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## Properties
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| Property | Description | Expected Value |
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| :------------ | :------------------------------------------------------------------------------------------------ | :----------------------------------------------------------- |
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| Label | Text to display as the label for the field. | String (for e.g., `Enter Your Address`). |
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| Default value | Used to set initial value in text area on load. | String (for e.g., `Nexus Building, Street XYZ, AB, 010101`). |
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| Placeholder | Provides a hint for the expected value. It disappears once the user interacts with the component. | String (for e.g., `Enter Your Address Here`). |
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## Events
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| Event | Description |
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| :--------------- | :--------------------------------------------------------- |
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| On change | Triggers whenever the input value changes. |
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| On enter pressed | Triggers whenever the enter key is pressed. |
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| On focus | Triggers whenever the user clicks inside the input field. |
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| On blur | Triggers whenever the user clicks outside the input field. |
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:::info
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Check [Action Reference](/docs/actions/run-query) docs to get the detailed information about all the **Actions**.
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:::
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## Component Specific Actions (CSA)
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Following actions of component can be controlled using the Component Specific Actions(CSA), which can be triggered by an event or by the given RunJS query:
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| <div style={{ width:"100px"}}> Actions </div> | <div style={{ width:"200px"}}> Description </div> | <div style={{ width:"135px"}}> How To Access </div> |
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| :-------------------------------------------- | :-------------------------------------------------- | :--------------------------------------------------- |
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| setText | Sets the text for the component. | `components.textarea1.setText('this is a textarea')` |
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| clear | Clears the value from the text area component. | `components.textarea1.clear()`. |
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| setVisibility( ) | Sets the visibility state of the text area. | `components.textarea1.setVisibility()` |
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| setLoading( ) | Sets the loading state of the text area. | `components.textarea1.setLoading()` |
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| setDisable( ) | Disables the text area. | `components.textarea1.setDisable()` |
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| setFocus( ) | Sets the focus of the cursor on the text area. | `components.textarea1.setLoading()` |
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| setBlur( ) | Removes the focus of the cursor from the text area. | `components.textarea1.setBlur()` |
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## Exposed Variables
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Following exposed variables can be dynamically accessed using the given JS query:
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| Variables | Description | How To Access |
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| :---------- | :---------------------------------------------------------------- | :------------------------------------- |
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| value | This variable holds the value entered in the text area component. | `{{components.textarea1.value}}` |
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| label | Holds the value of the component's label. | `{{components.textarea1.label}}` |
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| isValid | Indicates if the input meets validation criteria. | `{{components.textarea1.isValid}})` |
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| isMandatory | Indicates if the field is Mandatory. | `{{components.textarea1.isMandatory}}` |
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| isLoading | Indicates if the component is loading. | `{{components.textarea1.isLoading}}` |
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| isVisible | Indicates if the component is visible. | `{{components.textarea1.isVisible}}` |
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| isDisabled | Indicates if the component is disabled. | `{{components.textarea1.isDisabled}}` |
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## Validation
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| <div style={{ width:"100px"}}> Validation Option </div> | <div style={{ width:"200px"}}> Description </div> | <div style={{width: "200px"}}> Expected Value </div> |
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| :------------------------------------------------------ | :------------------------------------------------ | :--------------------------------------------------- |
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| Make this field mandatory | Displays a 'Field cannot be empty' message if no value is entered. | Enable/disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Regex | Regular Expression to validate the input. | Regular Expression Pattern (e.g., `^\d{3}-\d{2}-\d{4}$`). |
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| Min length | Sets the minimum number of characters allowed. | Integer (e.g., `100` for a minimum of 100 characters). |
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| Max length | Sets the maximum number of characters allowed. | Integer (e.g., `500` for a maximum of 500 characters). |
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| Custom validation | Specifies a validation error message for specific conditions. | Logical Expression (e.g., `{{components.textarea1.value<5&&"Value needs to be more than 5"}}`). |
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To add regex inside `Custom Validation`, you can use the below format:
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**Format**: `{{(<regexPattern>.test(<value>)) ? '' : 'Error message';}}`
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**Example**: `{{(/^\d{1,10}$/.test(components.textarea1.value)) ? '' : 'Error message';}}`
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## Additional Actions
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| <div style={{ width:"100px"}}> Action </div> | <div style={{ width:"150px"}}> Description </div> | <div style={{ width:"250px"}}> Configuration Options </div> |
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| :------------------------------------------- | :------------------------------------------------ | :---------------------------------------------------------- |
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| Dynamic height | Automatically adjusts the component's height based on its content. | Enable/disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Loading state | Enables a loading spinner, often used with `isLoading` to indicate progress. | Enable/disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Visibility | Controls component visibility. | Enable/disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Disable | Enables or disables the component. | Enable/disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Tooltip | Provides additional information on hover. Set a string value for display. | String (e.g., `Enter your name here.` ). |
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## Devices
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| <div style={{ width:"100px"}}> Property </div> | <div style={{ width:"150px"}}> Description </div> | <div style={{ width:"250px"}}> Expected Value </div> |
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| :--------------------------------------------- | :------------------------------------------------ | :--------------------------------------------------- |
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| Show on desktop | Makes the component visible in desktop view. | You can set it with the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Show on mobile | Makes the component visible in mobile view. | You can set it with the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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## Styles
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### Label
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| Property | Description |
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| ----------- | ---------------------------------------------------------------------------------- |
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| Label Color | Sets the color of the label text. |
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| Alignment | Determines the label's position, choose between top/side and left/right alignment. |
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| Width | Specifies the percentage of the component’s width that the label should occupy. |
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### Color
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| Property | Description |
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| ---------- | ------------------------------------------------------------------- |
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| Background | Sets the background color of the component. |
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| Border | Defines the color of the component’s border. |
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| Accent | Specifies the accent color used for highlights or focus indicators. |
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| Text | Sets the text color inside the component. |
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| Error text | Color applied to error messages. |
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### Input Field
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| Property | Description |
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| ------------- | ------------------------------------------------------------------------ |
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| Icon | Adds an icon to the component, usually for visual cues or actions. |
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| Icon Color | Sets the color of the icon. |
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| Border radius | Controls the roundness of the component's input field. |
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| Box shadow | Applies shadow styling to the input field. |
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| Padding | Sets the internal spacing between the content and the input field edges. |
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:::info
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Any property having **fx** button next to its field can be **programmatically configured**.
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:::
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