React Popover Methods
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beginUpdate()
Prevents the widget from refreshing until the endUpdate() method is called.
The beginUpdate() and endUpdate() methods prevent the widget from excessive updates when you are changing multiple widget settings at once. After the beginUpdate() method is called, the widget does not update its UI until the endUpdate() method is called.
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content()
An HTML element or a jQuery element when you use jQuery.
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defaultOptions(rule)
defaultOptions is a static method that the widget class supports. The following code demonstrates how to specify default options for all instances of the Popover widget in an application executed on the desktop.
jQuery
DevExpress.ui.dxPopover.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Popover options } });
Angular
import Popover from "devextreme/ui/popover"; // ... export class AppComponent { constructor () { Popover.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Popover options } }); } }
Vue
<template> <div> <DxPopover id="popover1" /> <DxPopover id="popover2" /> </div> </template> <script> import DxPopover from "devextreme-vue/popover"; import Popover from "devextreme/ui/popover"; Popover.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Popover options } }); export default { components: { DxPopover } } </script>
React
import React from "react"; import dxPopover from "devextreme/ui/popover"; import Popover from "devextreme-react/popover"; class App extends React.Component { render () { dxPopover.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Popover options } }) return ( <div> <Popover id="popover1" /> <Popover id="popover2" /> </div> ) } } export default App;
dispose()
After calling this method, remove the DOM element associated with the widget:
$("#myPopover").dxPopover("dispose"); $("#myPopover").remove();
Use this method only if the widget was created with jQuery or pure JavaScript. In Angular, Vue, and React, use conditional rendering:
Angular
<dx-popover ... *ngIf="condition"> </dx-popover>
Vue
<template> <DxPopover ... v-if="condition"> </DxPopover> </template> <script> import DxPopover from 'devextreme-vue/popover'; export default { components: { DxPopover } } </script>
React
import React from 'react'; import Popover from 'devextreme-react/popover'; function DxPopover(props) { if (!props.shouldRender) { return null; } return ( <Popover ... > </Popover> ); } class App extends React.Component { render() { return ( <DxPopover shouldRender="condition" /> ); } } export default App;
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element()
An HTML element or a jQuery element when you use jQuery.
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endUpdate()
Refreshes the widget after a call of the beginUpdate() method.
Main article: beginUpdate()
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
getInstance(element)
getInstance is a static method that the widget class supports. The following code demonstrates how to get the Popover instance found in an element with the myPopover
ID:
// Modular approach import Popover from "devextreme/ui/popover"; ... let element = document.getElementById("myPopover"); let instance = Popover.getInstance(element) as Popover; // Non-modular approach let element = document.getElementById("myPopover"); let instance = DevExpress.ui.dxPopover.getInstance(element);
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hide()
A Promise that is resolved after the widget is hidden. It is a native Promise or a jQuery.Promise when you use jQuery.
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instance()
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off(eventName)
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName, eventHandler)
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on(eventName, eventHandler)
Use this method to subscribe to one of the events listed in the Events section.
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(events)
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option()
Gets all widget options.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName, optionValue)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(options)
See Also
- Get and Set Options
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repaint()
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resetOption(optionName)
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show()
A Promise that is resolved after the widget is shown. It is a native Promise or a jQuery.Promise when you use jQuery.
The widget is automatically hidden after the time specified in the displayTime option.
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show(target)
A Promise that is resolved if the widget is displayed and rejected otherwise. It is a native Promise or a jQuery.Promise when you use jQuery.
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toggle(showing)
A Promise that is resolved with true if the widget is shown or false if it is hidden. It is a native Promise or a jQuery.Promise when you use jQuery.
You can use the toggle(showing) method instead of the show() and hide() methods. In this case, pass true or false as the method parameter to show or hide the widget.
The widget is automatically hidden after the time specified in the displayTime option.
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
If you have technical questions, please create a support ticket in the DevExpress Support Center.