mirror of
https://github.com/ToolJet/ToolJet
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168 lines
12 KiB
Markdown
168 lines
12 KiB
Markdown
---
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id: dropdown
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title: Dropdown
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---
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# Dropdown
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The Dropdown component can be used to collect user input from a list of options. This document goes through all the properties related to the **Dropdown** component.
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:::info
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To get the configuration of legacy Dropdown component, please refer to **[this](/docs/2.50.0-LTS/widgets/dropdown)** document.
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:::
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## Data
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| <div style={{ width:"100px"}}> Property </div> | <div style={{ width:"250px"}}> Description </div> | <div style={{width: "200px"}}> Expected Value </div>|
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|:---------------|:-------------------------------------------------|:-----------------------------|
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| Label | Text to display as the label for the field. | String (e.g., `Country`). |
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| Placeholder | A hint displayed to guide the user on what to enter. | String (e.g., `Choose an option`). |
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## Options
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Allows you to add options to the dropdown field. You can click on `Add new option` and add options manually or enable `Dynamic options` and enter the options using code.
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### Example Code for Dynamic Columns
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1. Passing an array of objects and specifying each value:
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```js
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{{
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[{label: 'option1', value: 1, disable: false, visible: true, default: true},
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{label: 'option2', value: 2, disable: false, visible: true},
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{label: 'option3', value: 3, disable: false, visible: true}]
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}}
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```
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2. Passing an array of objects with a default value from a **Table** component's selected row:
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```js
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{{
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queries.getEmployees.data.map(option => ({
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label: option.firstname,
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value: option.firstname,
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disable: false,
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visible: true,
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default: option.firstname === components.table1.selectedRow.firstname
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}))
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}}
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```
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### Options loading state
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Allows you to add a loading state to the dynamically generated options. You can enable or disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression.
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## Events
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**On select** <br/>
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Triggers when an option is selected.
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**On search text changed** <br/>
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Triggers when search text changes.
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**On focus** <br/>
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Triggers whenever the user clicks inside the component.
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**On blur** <br/>
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Triggers whenever the user clicks outside the component.
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## Component specific actions (CSA)
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Following actions of the component can be controlled using the component specific actions(CSA):
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| <div style={{ width:"100px"}}> Actions </div> | <div style={{ width:"160px"}}> Description </div> | <div style={{width: "200px"}}> How To Access </div>|
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| :------------ | :---------- | :------------ |
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| clear() | Clears the selected option. | Employ a RunJS query (for e.g., <br/> `await components.dropdown1.clear()`) or trigger it using an event. |
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| setVisibility()| Sets the visibility of the component. | Employ a RunJS query (for e.g., <br/> `await components.dropdown1.setVisibility(false)`) or trigger it using an event. |
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| setLoading() | Sets the loading state of the component. | Employ a RunJS query (for e.g., <br/> `await components.dropdown1.setLoading(true)`) or trigger it using an event. |
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| setDisable() | Disables the component. | Employ a RunJS query (for e.g., <br/> `await components.dropdown1.setDisable(true)`) or trigger it using an event. |
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| selectOption() | Selects an option. | Employ a RunJS query (for e.g., <br/> `await components.dropdown1.selectOption(2)`) or trigger it using an event. |
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**Note:** The data type passed to CSAs like `selectOption()` depends on how you configure the component. When adding options manually using the **Add new option** button, values must be strings (for example, `components.dropdown1.selectOption(['2'])`). When using dynamic options, supply values with the correct data types as they appear in your code logic.
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For example, if the code is:
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```javascript
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{{
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[
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{ label: 'option1', value: 1, disable: false, visible: true, default: true },
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{ label: 'option2', value: 2, disable: false, visible: true },
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{ label: 'option3', value: 3, disable: false, visible: true }
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]
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}}
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```
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You should pass numeric values in the `selectOptions` component-specific action since the value type is **Number**:
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```javascript
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components.dropdown1.selectOption([2])
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```
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## Exposed Variables
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| <div style={{ width:"100px"}}> Variable </div> | <div style={{ width:"200px"}}> Description </div> | <div style={{width: "200px"}}> How To Access </div>|
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|:----------|:----------|:------------|
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| searchText | This variable is initially empty and holds the value whenever the user searches on the dropdown. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.searchText}}`). |
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| label | Holds the label name of the dropdown. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.label}}`). |
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| value | Holds the value selected by the user in the component. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.value}}`). |
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| selectedOption | Holds the label and value of the selected option in array form. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.selectedOption.label}}` or <br/>`{{components.dropdown1.selectedOption.value}}`). |
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| isValid | Indicates if the input meets validation criteria. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.isValid}}`). |
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| options | Holds all the option values of the dropdown in array form. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.options}}` or <br/>`{{components.dropdown1.options[0].label}}` for a specific option). |
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| isVisible | Indicates if the component is visible. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.isVisible}}`). |
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| isLoading | Indicates if the component is loading. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.isLoading}}`). |
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| isDisabled | Indicates if the component is disabled. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.isDisabled}}`). |
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| isMandatory | Indicates if the field is required. | Accessible dynamically with JS (for e.g., `{{components.dropdown1.isMandatory}}`). |
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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 option is selected. | Enable/disable the toggle button or dynamically configure the value by clicking on **fx** and entering a logical expression. |
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| Custom validation | Specifies a validation error message for specific conditions. | Logical Expression (e.g., `{{components.dropdown.value<5&&"Value needs to be more than 5"}}`). |
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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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| Loading state | Enables a loading spinner, often used with `isLoading` to indicate progress. Toggle or set dynamically. | 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. Toggle or set dynamically. | 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. Toggle or set dynamically. | 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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<div style={{paddingTop:'24px'}}>
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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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</div>
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---
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## Label
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| <div style={{ width:"100px"}}> Label Property </div> | <div style={{ width:"150px"}}> Description </div> | <div style={{ width:"250px"}}> Configuration Options </div>|
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|:---------------|:------------|:---------------|
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| Color | Sets the color of the component's label. | Select the color or click on **fx** and input code that programmatically returns a Hex color code. |
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| Alignment | Sets the position of the label and input field. | Click on the toggle options or click on **fx** to input code that programmatically returns an alignment value - `side` or `top`. |
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| Width | Sets the width of the input field. | Keep the `Auto width` option for standard width or deselect it to modify the width using the slider or through code entry in **fx** that returns a numeric value. |
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## Field
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| <div style={{ width:"100px"}}> Field Property </div> | <div style={{ width:"150px"}}> Description </div> | <div style={{ width:"250px"}}> Configuration Options </div>|
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|:----------------|:------------|:--------------|
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| Background | Sets the background color of the component. | Select the color or click on **fx** and input code that programmatically returns a Hex color code. |
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| Border | Sets the border color of the component. | Select the color or click on **fx** and input code that programmatically returns a Hex color code. |
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| Text | Sets the text color of the text entered in the component. | Select the color or click on **fx** and input code that programmatically returns a Hex color code. |
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| Accent | Sets the color of the border when the dropdown is opened. | Select the color or click on **fx** and input code that programmatically returns a Hex color code. |
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| Error text | Sets the text color of validation message that displays. | Select the color or click on **fx** and input code that programmatically returns a Hex color code. |
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| Icon | Allows you to select an icon for the component. | Enable the icon visibility, select icon and icon color |
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| Border radius | Modifies the border radius of the component. | Enter a number or click on **fx** and enter a code that programmatically returns a numeric value. |
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| Box shadow | Sets the box shadow properties of the component. | Select the box shadow color and adjust the related properties. |
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## Container
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**Padding** <br/>
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Allows you to maintain a standard padding by enabling the `Default` option.
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