com.dlsc.flexgantt.swing.layer.system
Interface IDragRowRenderer

All Known Implementing Classes:

DefaultDragRowRenderer

public interface IDragRowRenderer

A drag row renderer is used to visualize additional row-specific information during a drag & drop operation. The renderer can for example be used to mark the locations on a row where the timeline object that is currently being dragged can or can not be dropped.

Since:

1.0

Author:

Dirk Lemmermann

See Also:

DragLayer.setDragRowRenderer(Class, IDragRowRenderer)

Method Summary

java.awt.Component

getDragRowRendererComponent(DragLayer layer, java.lang.Object node, java.lang.Object dragNode, java.lang.Object draggedTimelineObject, ITimeSpan span, int userDropAction) Returns a component that will be used to render the row specific drag and drop information.

Method Detail

getDragRowRendererComponent

java.awt.Component getDragRowRendererComponent(DragLayer layer,
                                               java.lang.Object node,
                                               java.lang.Object dragNode,
                                               java.lang.Object draggedTimelineObject,
                                               ITimeSpan span,
                                               int userDropAction)

Returns a component that will be used to render the row specific drag and drop information.

Parameters:

layer - the drag layer where the rendering will take place

node - the tree node for which the renderer gets invoked

dragNode - the node on which the timeline object is currently located

draggedTimelineObject - the dragged timeline object

span - the time span where the drop would take place if the d&d operation finished now

userDropAction - the type of drop requested by the user (move, copy) (possible values listed in DnDConstants)

Returns:

a renderer component for the drag information

Since:

1.0