Struct GroupDragState 

pub struct GroupDragState {
    pub dragging_group: GroupId,
    pub start_position: Position,
    pub current_position: Position,
    pub original_node_positions: HashMap<NodeId, Position>,
}

Group drag state for tracking ongoing drag operations

Fields

dragging_group: GroupId

Group being dragged

start_position: Position

Starting position when drag began

current_position: Position

Current drag position

original_node_positions: HashMap<NodeId, Position>

Original positions of all nodes before drag started

Implementations

impl GroupDragState

pub fn new(group_id: GroupId, start_position: Position) -> Self

Create a new group drag state

pub fn update_position(&mut self, new_position: Position) -> Position

Update the current drag position and return the delta

pub fn delta_from_start(&self) -> Position

Get the delta from the starting position

pub fn store_original_positions<N, E>( &mut self, group: &Group, graph: &Graph<N, E>, ) -> Result<(), FlowError>

where N: Clone, E: Clone,

Store original positions of all nodes in the group

Trait Implementations

impl Clone for GroupDragState

fn clone(&self) -> GroupDragState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GroupDragState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.