7.6 KiB
| lang | type |
|---|---|
| en-US | component |
Dialog
Informs users while preserving the current page state.
Basic usage
Dialog pops up a dialog box, and it's quite customizable.
:::demo Set model-value / v-model attribute with a Boolean, and Dialog shows when it is true. The Dialog has two parts: body and footer, and the latter requires a slot named footer. The optional title attribute (empty by default) is for defining a title. Finally, this example demonstrates how before-close is used.
dialog/basic-usage
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:::tip
before-close only works when user clicks the close icon or the backdrop. If you have buttons that close the Dialog in the footer named slot, you can add what you would do with before-close in the buttons' click event handler.
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Customizations
The content of Dialog can be anything, even a table or a form. This example shows how to use Element Plus Table and Form with Dialog。
:::demo
dialog/customizations
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Nested Dialog
If a Dialog is nested in another Dialog, append-to-body is required.
:::demo Normally we do not recommend using nested Dialog. If you need multiple Dialogs rendered on the page, you can simply flat them so that they're siblings to each other. If you must nest a Dialog inside another Dialog, set append-to-body of the nested Dialog to true, and it will append to body instead of its parent node, so both Dialogs can be correctly rendered.
dialog/nested-dialog
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Centered content
Dialog's content can be centered.
:::demo Setting center to true will center dialog's header and footer horizontally. center only affects Dialog's header and footer. The body of Dialog can be anything, so sometimes it may not look good when centered. You need to write some CSS if you wish to center the body as well.
dialog/centered-content
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:::tip
The content of Dialog is lazily rendered, which means the default slot is not rendered onto the DOM until it is firstly opened. Therefore, if you need to perform a DOM manipulation or access a component using ref, do it in the open event callback.
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Destroy on Close
When this is feature is enabled, the content under default slot will be destroyed with a v-if directive. Enable this when you have perf concerns.
:::demo Note that by enabling this feature, the content will not be rendered before transition.beforeEnter dispatched, there will only be overlay header(if any) footer(if any).
dialog/destroy-on-close
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:::tip
When using modal = false, please make sure that append-to-body was set to true, because Dialog was positioned by position: relative, when modal gets removed, Dialog will position itself based on the current position in the DOM, instead of Document.Body, thus the style will be messed up.
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Attributes
| Attribute | Description | Type | Accepted Values | Default |
|---|---|---|---|---|
| model-value / v-model | visibility of Dialog | boolean | — | — |
| title | title of Dialog. Can also be passed with a named slot (see the following table) | string | — | — |
| width | width of Dialog | string / number | — | 50% |
| fullscreen | whether the Dialog takes up full screen | boolean | — | false |
| top | value for margin-top of Dialog CSS |
string | — | 15vh |
| modal | whether a mask is displayed | boolean | — | true |
| append-to-body | whether to append Dialog itself to body. A nested Dialog should have this attribute set to true |
boolean | — | false |
| lock-scroll | whether scroll of body is disabled while Dialog is displayed | boolean | — | true |
| custom-class | custom class names for Dialog | string | — | — |
| open-delay | Time(milliseconds) before open | number | — | 0 |
| close-delay | Time(milliseconds) before close | number | — | 0 |
| close-on-click-modal | whether the Dialog can be closed by clicking the mask | boolean | — | true |
| close-on-press-escape | whether the Dialog can be closed by pressing ESC | boolean | — | true |
| show-close | whether to show a close button | boolean | — | true |
| before-close | callback before Dialog closes, and it will prevent Dialog from closing | function(done)，done is used to close the Dialog | — | — |
| center | whether to align the header and footer in center | boolean | — | false |
| destroy-on-close | Destroy elements in Dialog when closed | boolean | — | false |
Slots
| Name | Description |
|---|---|
| — | content of Dialog |
| title | content of the Dialog title |
| footer | content of the Dialog footer |
Events
| Event Name | Description | Parameters |
|---|---|---|
| open | triggers when the Dialog opens | — |
| opened | triggers when the Dialog opening animation ends | — |
| close | triggers when the Dialog closes | — |
| closed | triggers when the Dialog closing animation ends | — |