diff options
Diffstat (limited to 'src/client/views/nodes/LinkMenuGroup.tsx')
| -rw-r--r-- | src/client/views/nodes/LinkMenuGroup.tsx | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/client/views/nodes/LinkMenuGroup.tsx b/src/client/views/nodes/LinkMenuGroup.tsx index e4cf56d20..97f2e13ae 100644 --- a/src/client/views/nodes/LinkMenuGroup.tsx +++ b/src/client/views/nodes/LinkMenuGroup.tsx @@ -45,7 +45,15 @@ export class LinkMenuGroup extends React.Component<LinkMenuGroupProps> { document.removeEventListener("pointermove", this.onLinkButtonMoved); document.removeEventListener("pointerup", this.onLinkButtonUp); - let draggedDocs = this.props.group.map(linkDoc => LinkManager.Instance.getOppositeAnchor(linkDoc, this.props.sourceDoc)); + let draggedDocs: Doc[] = []; + this.props.group.forEach( + (doc: Doc) => { + let opp = LinkManager.Instance.getOppositeAnchor(doc, this.props.sourceDoc); + if (opp) { + draggedDocs.push(opp); + } + } + ) let dragData = new DragManager.DocumentDragData(draggedDocs, draggedDocs.map(d => undefined)); DragManager.StartLinkedDocumentDrag([this._drag.current], this.props.sourceDoc, dragData, e.x, e.y, { @@ -72,8 +80,10 @@ export class LinkMenuGroup extends React.Component<LinkMenuGroupProps> { render() { let groupItems = this.props.group.map(linkDoc => { let destination = LinkManager.Instance.getOppositeAnchor(linkDoc, this.props.sourceDoc); - return <LinkMenuItem key={destination[Id] + this.props.sourceDoc[Id]} groupType={this.props.groupType} - linkDoc={linkDoc} sourceDoc={this.props.sourceDoc} destinationDoc={destination} showEditor={this.props.showEditor} />; + if (destination) { + return <LinkMenuItem key={destination[Id] + this.props.sourceDoc[Id]} groupType={this.props.groupType} + linkDoc={linkDoc} sourceDoc={this.props.sourceDoc} destinationDoc={destination} showEditor={this.props.showEditor} />; + } }); return ( |