JavaScript/jQuery Sankey Methods
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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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dispose()
After calling this method, remove the DOM element associated with the widget:
jQuery
$("#mySankey").dxSankey("dispose"); $("#mySankey").remove();
Angular
<dx-sankey #sankeyVar id="mySankey"></dx-sankey>
import { ..., ViewChild } from "@angular/core"; import { DxSankeyComponent } from "devextreme-angular"; // ... export class AppComponent { @ViewChild("sankeyVar", { static: false }) sankey: DxSankeyComponent; // Prior to Angular 8 // @ViewChild("sankeyVar") sankey: DxSankeyComponent; removeSankey (e) { this.sankey.instance.dispose(); document.getElementById("mySankey").remove(); } }
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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exportTo(fileName, format)
See Also
- DevExpress.viz.exportWidgets(widgetInstances, options)
- export
- print()
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getDataSource()
Gets the DataSource instance.
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- Data Layer - Overview
- Data Layer - DataSource Examples
getInstance(element)
getInstance is a static method that the widget class supports. The following code demonstrates how to get the Sankey instance found in an element with the mySankey
ID:
// Modular approach import Sankey from "devextreme/viz/sankey"; ... let element = document.getElementById("mySankey"); let instance = Sankey.getInstance(element) as Sankey; // Non-modular approach let element = document.getElementById("mySankey"); let instance = DevExpress.viz.dxSankey.getInstance(element);
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getSize()
Returns an object with the following fields.
- width
The width of the widget in pixels. - height
The height of the widget in pixels.
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hideLoadingIndicator()
Although the loading indicator hides automatically once the widget is ready, you can hide it from code at the required moment using this method.
See Also
- showLoadingIndicator()
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hideTooltip()
See Also
- Node.showTooltip()
- Link.showTooltip()
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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
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option(optionName)
See Also
- Get and Set Options
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option(optionName, optionValue)
See Also
- Get and Set Options
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option(options)
See Also
- Get and Set Options
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print()
See Also
- exportTo(fileName, format)
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
render()
Normally, the widget redraws itself automatically after the browser window is resized. But on rare occasions, you may need to request the redrawing, for example, after the widget's container is resized. For this purpose, call the render() method.
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showLoadingIndicator()
See Also
- hideLoadingIndicator()
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svg()
See Also
- DevExpress.viz.getMarkup(widgetInstances)
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