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

All Known Implementing Classes:

DefaultDragInfoRenderer

public interface IDragInfoRenderer

A drag info renderer is used to visualize information provided by an instance of IDragInfoPolicy during a drag & drop operation. Typical information shown in such an info is the start and end time where the dragged object will be placed when the drop occures.

Since:

1.0

Author:

Dirk Lemmermann

See Also:

DragLayer.setDragInfoVisible(boolean), DragLayer.setDragInfoRenderer(Class, IDragInfoRenderer)

Method Summary

java.awt.Component

getDragInfoRendererComponent(DragLayer layer, java.lang.Object node, java.lang.Object timelineObject, java.lang.Object dragInfo, ITimeSpan span, int dndAction) Returns a component that will be used to render the drag information.

Method Detail

getDragInfoRendererComponent

java.awt.Component getDragInfoRendererComponent(DragLayer layer,
                                                java.lang.Object node,
                                                java.lang.Object timelineObject,
                                                java.lang.Object dragInfo,
                                                ITimeSpan span,
                                                int dndAction)

Returns a component that will be used to render the drag information.

Parameters:

layer - the drag layer where the rendering will take place

node - the tree node that owns the timeline object that is currently being dragged

timelineObject - the dragged timeline object

dragInfo - the drag information object

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

dndAction - the type of drag and drop that is being performed (move, copy) (a value listed in DnDConstants)

Returns:

a renderer component for the drag information

Since:

1.0