React Diagram API CTP

The Diagram widget provides a visual interface to help you design new and modify existing diagrams.

NOTE

DevExtreme Diagram is available as a community technology preview (CTP). Should you have any questions or suggestions prior to its official release, please email your comments to support@devexpress.com.

import Diagram from "devextreme-react/diagram"

Type: DiagramTypes.default

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Configuration

An object that defines the Diagram widget's configuration options.

Name	Description
accessKey	Specifies the shortcut key that sets focus on the widget.
activeStateEnabled	Specifies whether or not the widget changes its state when interacting with a user.
autoZoom	Specifies whether the Diagram widget automatically zooms the work area.
contextMenu	Configures the context menu's settings.
customShapes	Provide access to an array of custom shapes.
disabled	Specifies whether the widget responds to user interaction.
edges	Allows you to bind the collection of diagram edges to a data source.
elementAttr	Specifies the attributes to be attached to the widget's root element.
export	Configures export settings.
focusStateEnabled	Specifies whether the widget can be focused using keyboard navigation.
fullScreen	Specifies whether or not to display the widget in full-screen mode.
gridSize	Specifies the grid pitch.
height	Specifies the widget's height.
hint	Specifies text for a hint that appears when a user pauses on the widget.
hoverStateEnabled	Specifies whether the widget changes its state when a user pauses on it.
nodes	Allows you to bind the collection of diagram nodes to a data source.
onContentReady	A function that is executed when the widget's content is ready and each time the content is changed.
onDataChanged	A function that is executed when the diagram's data changes.
onDisposing	A function that is executed before the widget is disposed of.
onInitialized	A function used in JavaScript frameworks to save the widget instance.
onItemClick	A function that is executed after a shape or connector is clicked.
onItemDblClick	A function that is executed after a shape or connector is double-clicked.
onOptionChanged	A function that is executed after a widget option is changed.
onSelectionChanged	A function that is executed after the selection is changed in the Diagram.
pageColor	Specifies the color of a diagram page.
pageOrientation	Specifies the page orientation.
pageSize	Specifies a size of pages.
propertiesPanel	Provides access to Properties panel settings.
readOnly	Specifies whether the diagram is read-only.
rtlEnabled	Switches the widget to a right-to-left representation.
showGrid	Specifies whether grid lines are visible.
simpleView	Switch the Diagram widget to simple view mode.
snapToGrid	Specifies whether diagram elements should snap to grid lines.
tabIndex	Specifies the number of the element when the Tab key is used for navigating.
toolbar	Provides access to toolbar settings.
toolbox	Provides access to toolbox settings.
units	Specifies the unit for measurement options (for example, defaultHeight, gridSize, leftExpr).
viewUnits	Specifies the measurement unit that is displayed in user interface elements.
visible	Specifies whether the widget is visible.
width	Specifies the widget's width.
zoomLevel	Specifies the zoom level.

Methods

This section describes members used to manipulate the widget.

Name	Description
beginUpdate()	Prevents the widget from refreshing until the endUpdate() method is called.
defaultOptions(rule)	Specifies the device-dependent default configuration options for this component.
dispose()	Disposes of all the resources allocated to the Diagram instance.
element()	Gets the root widget element.
endUpdate()	Refreshes the widget after a call of the beginUpdate() method.
export()	Exports the diagram data to a JSON object.
exportTo(format, callback)	Exports the diagram to an image format.
focus()	Sets focus on the widget.
getInstance(element)	Gets the instance of a widget found using its DOM node.
import(data, updateExistingItemsOnly)	Imports the diagram data.
instance()	Gets the widget's instance. Use it to access other methods of the widget.
off(eventName)	Detaches all event handlers from a single event.
off(eventName, eventHandler)	Detaches a particular event handler from a single event.
on(eventName, eventHandler)	Subscribes to an event.
on(events)	Subscribes to events.
option()	Gets all widget options.
option(optionName)	Gets the value of a single option.
option(optionName, optionValue)	Updates the value of a single option.
option(options)	Updates the values of several options.
registerKeyHandler(key, handler)	Registers a handler to be executed when a user presses a specific key.
repaint()	Repaints the widget without reloading data. Call it to update the widget's markup.
resetOption(optionName)	Resets an option to its default value.

Events

This section describes events this widget fires.

Name	Description
contentReady	Raised when the widget's content is ready.
dataChanged	Raised when the widget's data changes.
disposing	Raised before the widget is disposed of.
initialized	Raised only once, after the widget is initialized.
itemClick	Raised after a shape or connector is clicked.
itemDblClick	Raised after a shape or connector is double-clicked.
optionChanged	Raised after a widget option is changed.
selectionChanged	Raised after the selection is changed in the Diagram.

React Diagram API CTP

See Also

Configuration

See Also

Methods

See Also

Events

See Also