NodeList

Ogma node list class. Use this class to manipulate a list of nodes, change data, attributes, etc.

• nodeList.isNode

Read-only property that is always true.

• nodeList.size

Read-only property that indicates the number of nodes in the list.

nodeList.addClass(className[, options])

Add the specified class to the nodes.

Arguments

• className string
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.addClasses(classNames[, options])

Add the specified classes to the nodes.

Arguments

• classNames Array<string>
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.concat(nodes)

Arguments

• nodes NodeList

Returns

• NodeList

nodeList.dedupe()

Returns a new NodeList which does not contain any duplicate node.

Returns

• NodeList

nodeList.fillData([property], value)

Set the specified data property of the nodes with the same value.

Arguments

• property(optional) PropertyPath|any Path of the data property to update. If no property is specified, update the whole data object.
• value any Value that will be assigned to all the nodes.

Returns

• NodeList

nodeList.filter(callback)

Arguments

• callback function(node: Node, index: number): boolean

Returns

• NodeList

nodeList.forEach(callback)

Arguments

• callback function(node: Node, index: number)

nodeList.get(index)

Returns the node at the specified index.

Arguments

• index number

Returns

• Node

nodeList.getAdjacentEdges([options])

Returns the list of adjacent edges of the nodes.

Arguments

• options(optional) AdjacencyOptions

Returns

• EdgeList

nodeList.getAdjacentElements([options])

Returns the list of adjacent nodes of the nodeList and the edges connected to it.

Arguments

• options(optional) AdjacencyOptions

Returns

• SubGraph

nodeList.getAdjacentNodes([options])

Returns the list of adjacent nodes of the nodes.

Arguments

• options(optional) AdjacencyOptions

Returns

• NodeList

nodeList.getAttribute(attributeName)

Returns an array containing the value of the specified attribute for each node.

Arguments

• attributeName PropertyPath Attribute to retrieve.

Returns

• Array<any>

nodeList.getAttributes([attributes])

Returns an array of objects containing the specified attributes for each node.

Arguments

• attributes(optional) Array<PropertyPath> List of attributes to include in the object. If not specified, includes all the node attributes.

Returns

• NodeAttributes[]

nodeList.getBoundingBox([options])

Returns the bounding box of the nodes, in graph coordinates.

Arguments

• options(optional) object
  • includeTexts(optional) boolean[=false] Wether or not take texts in account in the bouding box

Returns

• BoundingBox

nodeList.getClassList()

Returns the list of classes that each node has.

Returns

• Array<Array<string>>

nodeList.getConnectedComponents([options])

Returns weakly connected components of the list of nodes.

Arguments

• options(optional) object
  • filter(optional) Filter[='visible']
  • returnIds(optional) boolean[=false] Return node ids instead of Nodes

Returns

• Array<NodeList>

nodeList.getData([property])

Retrieve the specified data property. If no property is specified, retrieve the whole data object. This method method returns the internal data object; modifying it could cause unexpected behavior.

Arguments

• property(optional) PropertyPath

Returns

• Array<any>

nodeList.getDegree()

Runs getDegree on each node in the list and returns the array of results.

nodeList.getGeoCoordinates()

Returns geographical coordinates of all the nodes in the collection

Returns

• Array<GeoCoordinate>

nodeList.getId()

Returns the id of each node.

Returns

• Array<NodeId>

nodeList.getMetaNode()

Run getMetaNode on each node in the list and returns the array of results.

Returns

• Array<Node|null>

nodeList.getPosition()

Retrieve the position of each node in the list. This is strictly equivalent to nodeList.getAttributes(['x', 'y']).

Returns

• Array<{x: number, y: number}>

nodeList.getSubNodes()

Run getSubNodes on all the nodes in the list and returns the array of results

Returns

• Array<NodeList|null>

nodeList.includes(node)

Indicates if the NodeList contains the specified node.

Arguments

• node Node

Returns

• boolean

nodeList.inverse()

Returns a new NodeList containing all the visible nodes that are not in the list.

Returns

• NodeList

nodeList.isSelected()

Indicates for each node if it is selected.

Returns

• Array<boolean>

nodeList.isVisible()

Call isVisible on each node in the list, and returns the array of results.

Returns

• Array<boolean>

nodeList.locate([options])

Centers the view on the nodes.

Arguments

• options(optional) LocateOptions

Returns

• Promise<void>

nodeList.map(callback)

Arguments

• callback function(node: Node, index: number): any

Returns

• Array<any>

nodeList.pulse([options])

Highlights the nodes with a pulse. It's a shorthand for the case when you want the elements pulse for number * (interval - 1) + duration milliseconds. It will also update the pulse attributes of the items with the one provided in the .pulse() call.

Arguments

• options(optional) object
  • duration(optional) number[=1000] Duration of a pulse (milliseconds)
  • endColor(optional) Color|"inherit"[="rgb(0,0,0,0.0)"] Ending color of the pulse
  • endRatio(optional) number[=2] Where the pulse ends, relative to the node siz (1 = at the node's border)
  • interval(optional) number[=800] Interval between two pulses (milliseconds)
  • number(optional) number[=1] Number of pulses
  • startColor(optional) Color|"inherit"[="rgb(0,0,0,0.6)"] Starting color of the pulse
  • startRatio(optional) number[=1] Where the pulse starts, relative to the node siz (1 = at the node's border)
  • width(optional) number[=50] Width of the pulse in pixels

Returns

• Promise<NodeList>

nodeList.reduce(callback, initialValue)

Arguments

• callback function(accumulator: any, currentValue: Node, index: number): any
• initialValue any

Returns

• any

nodeList.removeClass(className[, options])

Remove the specified class from the nodes.

Arguments

• className string
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.removeClasses(classNames[, options])

Remove the specified class from the nodes.

Arguments

• classNames Array<string>
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.resetAttributes([attributes][, options])

Remove all attributes that have been applied through setAttributes of all the nodes in the list. Original attributes or attributes applied by the rules are not affected.

Arguments

• attributes(optional) Array<PropertyPath> List of attributes to clear. If no attribute is specified, clear all of them.
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.setAttribute(attribute, values[, options])

Set the specified attribute of all the nodes in the list.

Arguments

• attribute PropertyPath
• values any|Array<any> If it is an array, the values will be spread across the nodes of the list. Otherwise the value will be assigned to all nodes.
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.setAttributes(attributes[, options])

Set the individual attributes of all the nodes in the list.

Arguments

• attributes NodeAttributesValue|Array<NodeAttributesValue> If a single attribute is specified, it is applied to all nodes. If an array is specified, each index of the array is assigned to the corresponding node.
• options(optional) AttributeAnimationOptions

Returns

• Promise<NodeList>

nodeList.setData([property], values)

Set the specified data property of the nodes. If no property is specified, update the whole data object.

Arguments

• property(optional) PropertyPath Path of the data property to update.
• values Array<any>|function(node: Node): any If it's an array, each value is assigned to the corresponding node, meaning the array must have the same length as the NodeList. If it's a function, it will be applied to each node to determine which value to assign.

Returns

• NodeList

nodeList.setGeoCoordinates(coordinates[, duration])

Assign geographical coordinates to the nodes in collection

Arguments

• coordinates Array<GeoCoordinate|null>|null
• duration(optional) number Animation duration

Returns

• Promise<NodeList>

nodeList.setSelected(active)

Add or remove the nodes from the selection.

Arguments

• active boolean|Array<boolean> Whether to select or unselect the nodes.

nodeList.setVisible()

Call setVisible on each node in the list.

nodeList.slice([start][, end])

Returns a new NodeList which contains only the nodes from index start to end (excluding end).

Arguments

• start(optional) number
• end(optional) number

Returns

• NodeList

nodeList.sort(fn)

Arguments

• fn (a: Node, b: Node): number Sort function

nodeList.subtract([list])

Arguments

• list(optional) NodeList Returns a new NodeList which does not contain any element from list

Returns

• NodeList

nodeList.toArray()

Returns an array of nodes from the NodeList.

Returns

• Array<Node>

nodeList.toJSON([options])

Runs toJSON on all the nodes in the list and returns the list of objects.

Arguments

• options(optional) object
  • attributes(optional) Array<PropertyPath>|"all"[=[]]
  • data(optional) function (data: any): any

Returns

• Array<RawNode>

nodeList.toList()

Returns itself.

Returns

• NodeList