selection

The selection object represents the currently selected set of nodes in the UI. You can change the selection to use it as input for commands, or to control what is left selected for the user when your plugin's edit operation completes.

Selected items might not all have the same parent node. For example, the selection could be split between two sibling Group nodes, or half the selection could be inside a Group and half inside its parent. Or the selection could be split between multiple different artboards along with items on the pasteboard (immediate children of the root node).

Your plugin can only modify nodes in the "neighborhood" of the user's selection, a subset of the scenegraph tree called the edit context. You can only set the selection to other nodes within the edit context. The edit context does not update to reflect any changes to the selection until after a plugin operation completes.

Other restrictions on selection

  • The selection cannot contain both artboards and non-artboards at the same time.

  • The selection cannot contain both a node and one of its ancestors at the same time.

  • Items that are locked cannot be in the selection. If the user or your plugin attempts to select any locked items, they are automatically filtered into a separate list (itemsIncludingLocked) which is generally only used by the Unlock command.

Accessing the selection

The current selection state is passed to your command handler function as an argument:

function myCommand(selection, documentRoot) {
    console.log(selection.items.length + " items are selected");
}
module.exports = {
    commands: {
        myCommandId: myCommand
    }
};

You can also access this object from the scenegraph.selection property.

Kind: object

selection.items : !Array<!SceneNode>

Array representing the current selection. Empty array if nothing is selected (never null). Items might not all have the same parent node. Never includes locked nodes. Never mixes artboards with other nodes: a selection is either all artboards or all non-artboards. Never includes any ancestors of any other item in the selection.

As a convenience, the setter also accepts a single node or null as valid input. However, the getter always returns an array.

If the user selects nodes one-by-one, by Shift-clicking, this array lists the nodes in the order they were added to the selection. If the user selected by other means, e.g. dragging a marquee, the order has no meaning.

Returns a fresh array each time, so modifying the array returned by the getter does not change the selection – only invoking the 'items' setter changes selection.

The selection can only contain items which are in the current edit context.

Kind: instance property of selection
Example 

console.log("There are " + selection.items.length + " nodes currently selected");
selection.items = [rectangle, ellipse, path];  // select 3 nodes
selection.items = rectangle;  // select 1 node (convenience)
selection.items = null;       // deselect all (convenience)

selection.itemsIncludingLocked : !Array<!SceneNode>

Array representing the current selection plus any locked items that the user has attempted to select.

Kind: instance property of selection
Read only: true
Example 

let numUnlockedSelected = selection.items.length;
let numLockedSelected = selection.itemsIncludingLocked.length - numUnlockedSelected;
console.log("There are " + numLockedSelected + " locked nodes 'sort of' currently selected");

selection.hasArtwork : boolean

True if the selection isn’t empty and consists of one or more non-Artboards. Never true at the same time as hasArtboards.

Kind: instance property of selection
Read only: true

selection.hasArtboards : boolean

True if the selection isn’t empty and consists of one or more Artboards. Never true at the same time as hasArtwork.

Kind: instance property of selection
Read only: true

selection.insertionParent : !SceneNode

The preferred parent to insert newly added content into. Takes into account the current edit context as well as the "focused artboard" if in the root context. Typically this is the same parent where, for example, XD's shape drawing tools would add items.

Selected items are not necessarily all immediate children of the insertionParent. They can be anywhere within the edit context's scope.

Kind: instance property of selection
Read only: true

selection.focusedArtboard : ?Artboard

The artboard the user is currently most focused on (via recent selection or edit operations). May be null, for example if no artboards exist or if the user just deleted an artboard.

Kind: instance property of selection
Read only: true

selection.editContext : !SceneNode

The common ancestor node of all selected items - also the root node of the subtree containing the "edit context," which is the scope in which selection and edit operations must occur for the current plugin command. The scope does not necessarily cover the entire subtree rooted at the editContext root node – it may only cover a subset of this tree. See edit context documentation page for more details.

If the user hasn't drilled into any container node, this value is the document root.

The value of editContext does not change while your plugin is running. However, the editContext may change after your plugin operation ends:

  • If your plugin changes the value of selection.items to include fewer nodes, the edit context may be narrowed.
  • If your plugin has deleted nodes such that the current container is now empty, the edit context will pop up a level and the now-empty container is automatically cleaned up.

Kind: instance property of selection
Read only: true

selection.isInEditContext(node)

Since: XD 28

Returns true if the node is accessible for editing in the scope of the current edit context. If false, the node cannot be edited given the user's current selection. Nodes that are currently selected are always in the current edit context.

Kind: instance method of selection
Returns: boolean

Param Type
node !SceneNode

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